CN1720283A - Film for optical component, winding laminate of film, optical component, and optical disc - Google Patents

Abstract

The invention provides a film for an optical component exhibiting high transmittance of short-wavelength light on the order of 400 nm, low birefringence, and excellent flexibility in which warping can be prevented after using for a long term, and a winding laminate of that film, an optical component and an optical disc. The film for optical component which is provided with a light-transparent layer mainly made of thermoplastic green resin, with a frequency of 10 Hz, a temperature rise rate of 3 DEG C/min, and a ratio between loss modulus of elasticity and storage modulus of elasticity under a tensile measurement mode from 30 DEG C to 80 DEG C is 2 or above.

Description

The optical component film uses its film winding laminate, optical component and CD

Technical field

The present invention relates to for example to be useful in the optical component film in the photic zone of CDs such as high-density DVD of high capacity, uses its film winding laminate, optical component and CD.

Background technology

CD, for a kind of on a side of using the transparent formed support basal disc of plastics basal disc, formation records to have by the fine concavo-convex pits row that constitute or the recording layer of the signal information that ditch constituted, and by the light such as subtend face side irradiating laser of recording layer, utilization is according to supporting the situation that the different reflection light quantities of signal information change on the basal disc, with recorded information or the system reproduced.

The kind of CD, for example CD CD (Compact Disk), DVD (Digital Versatile Disk) and magneto-optical recorder disc etc.

Wherein as the CD of representative optical discs, it has the transparent photic zone that forms readable information on the support basal disc of thickness 0.6mm, and photic zone is the support basal disc structure with recording layer.CD, for using the laser of the wavelength 780nm that uses as record-playback, from photic zone side irradiation record-playback laser, in the pits row that support the recording layer on the basal disc or the variation of the reflection light quantity that signal information was produced that ditch was constituted, the information that is recorded in recording layer is reproduced with mint-mark.

For the recording capacity DVD bigger than CD, as the laser of record-playback with use wavelength 635nm, but the CD with above-mentioned is identical basically, is that irradiating laser carries out the record of signal information and reproducing on recording layer.

Fig. 3 enlarges the stereographic map of the some of DVD for diagrammatic illustration DVD structure, and Fig. 4 is its sectional view.As shown in Figure 3 and Figure 4, DVD10 for possess support basal disc 11 with, support on the basal disc 11 formed recording layer 12 and, formed photic zone 13 etc. on the recording layer 12.In addition, when more specifically illustrating, on single plate, the thickness of the transparent support basal disc 11 of readable information is 0.6mm, and on this support basal disc 11, form and record pits 14 row or record with recording of information layers 12 such as ditches, and with recording layer 12 on fit and the transparent support basal disc that supports basal disc 11 same thickness (0.6mm) forms photic zone 13 jointly.In addition, the photic zone 13 of fitting and forming on recording layer 12 is commonly referred to as " empty simulation layer (dummy) ", has the effect that improves the intensity of CD own.As above Fig. 3 and shown in Figure 4 via photic zone 13 side irradiating lasers 15, can write down the information of recording layer and reproduce.

In addition, between this several years, along with development such as photographic information or animation information, when pursuing big recording capacity DVD, also exploitation is known as large vol, the high-density DVD of the memory capacity of CD of future generation above 20GB.High-density DVD has and the size of 12 inch of same size in the past.Because of it has and identical in the past size, answer miniaturization, densifications etc. such as stricturization or shortening pits length so be required recording layer middle orbit spacing.

Particularly, general on the support basal disc about thickness 1.1mm, form the recording layer that pits row or ditch etc. record signal information, and the film about the transparent thickness 0.1mm of recording layer surface bonding is to form photic zone.So, the blue laser via printing opacity aspect side irradiation 400nm left and right sides short wavelength can carry out the record and the reproduction of signal information.

Above-mentioned CD, DVD and CD of future generation etc. support the material of basal disc and photic zone (empty simulation layer), for example have to propose to use the report of the polycarbonate with superior strength characteristic and good optical characteristic (to open 2000-67468 number with reference to the spy of Japan.The 2001-243659 of Japan number), follow-on DVD recording layer also uses polycarbonate.In addition, for example studied the photic zone of use polycarbonate various materials in addition as DVD of future generation.

Other various materials beyond the polycarbonate, for example acrylic resin, phenylethylene resin series, aromatic polyamide resin, liquid-crystalline polymer, polyimide resin, polymkeric substance-adulterant material, heat-curing resin etc.

Acrylic resin or phenylethylene resin series, it is owing to have the transparency, make and have rubber to manifold polymkeric substance such as glassy polymerss with comparalive ease, and have easy sex change etc. feature, have more features such as economy, but still exist when making film shape, fail to have concurrently raising intensity, thermotolerance and the very big problem of flexible.Wherein the toughness deficiency is the problem of the acrylic resin general character, solve the not method of foot phenomenon of toughness at present, for example there is to propose following several reports for example known method of in resin, adding rubber particles (please refer to the special public 58-167605 of Japan and TOHKEMY 3-52910 number).But, in the preceding method, during by the resin formation film, produce albinism in the time of often because of the resin warpage, and fail to obtain good warpage processibility.Therefore, do not invent a kind of glass transfer point that has more than the room temperature at present yet, and have the acrylic resin of excellent in toughness and warpage processibility concurrently, so when forming film, still have suitable difficulty.

In addition, aromatic polyimide resin, for example the polyparaphenylene terephthalamide is the most representative resin.The polyparaphenylene terephthalamide because of having high-melting-point, crystallinity, and has flame retardant resistance, upright and outspoken molecular structure, so have good physical strength, low linear expansion coefficient etc.But aromatic polyamide resins such as polyparaphenylene terephthalamide are insoluble in the organic solvent, so solvent must use inorganic acids such as the vitriol oil.Known have high intensity and Young's modulus via the fiber after the dense solution-treated such as concentrated hydrochloric acid, still belongs to seldom but be implemented in the industrial application examples that forms film so far.For example, under the swelling state, extend, but the manufacturing step of this method is very numerous and diverse, reduces problems such as goods price rising and can produce productivity with film forming technology (spy of Japan opens 4-6738 number).Be to improve deliquescent method, for example with in the aromatic proton import the unit of halogen radical or carry out copolymerization to improve methods such as solvability (please refer to Japan special public 56-45421 number) organic solvent with the higher unit of tortuosity to organic solvent.But, higher because of the monomer valency, so the price of goods also improves thereupon,, but still can produce the problems such as metal protection of halogen atom though do not undermine thermotolerance or flame retardant resistance.

Polyimide resin has high thermotolerance and obdurability with it, has splendid film performance etc. and is industrial extremely useful material.Generally speaking, polyimide is for being processed as film like, how behind the coating polyimide solution, makes its heat form imide ring.Can obtain good thermotolerance and obdurability after forming imide ring, in case but form behind the imide ring then will significantly reduce the solvability at solvent, great shortcoming produced when making the polyamides Asia be positioned on the recirculation use.Therefore, at present the utmost point need be developed a kind of material that has concurrently solvability and thermotolerance two characteristics of solvent, for example, known have with aromatic proton in import substituent unit copolymerization such as alkyl with the methods such as solvability of raising to organic solvent.But this method also fails to make the material that second-order transition temperature is a temperature more than 320 ℃, in addition, and because of monomer belongs to the high price monomer, so can cause problems such as the goods price is surging.

The polymer blend material is generally macromolecular material not of the same race is mixed in the hope of finding that new capability is its purpose, so the phase solvation that uses carries out the mutual hybrid mode of the different polymer of affinity more.In this method,,, and fail to reach the degree that mixes fully for control makes its dispersion state that forms island structure to using the phase solvation to reduce the technology of surface energy as purpose.So, occur about making polymer not of the same race reach the report that mixes fully yet at present.In addition, because of the price of phase solvation higher, so cause outside the goods price improves, when the life-time service polymer blend, the phase solvation then forms hybrid state with the surface and the reason that pollutes, in addition, can make problems such as the dispersion state of polymer blend material changes.

Relevant heat-curing resin is generally the cured article of insoluble infusibility, so it has the feature that has excellent durability such as strength retention under solvent resistance or the high temperature.But because of crosslinking reaction is formed because of covalent linkage, so have the shortcoming of failing to reprocess, this shortcoming is to guarantee the fatal shortcoming of resin recirculation.But the heat-curing resin that recirculation is used for example has ionic polymer resin etc. at present.Ionic polymer resin, it is for having the polymkeric substance of carboxyl on the side chain, adds magnesium oxide or calcium hydroxide etc. metal oxide or metal hydroxides constituted, and it is for forming ionic linkage between metal and carboxyl, and forms material such as similar cross-linking set.According to the inventive method, it can be increased to the thermotolerance and the obdurability of a certain degree, but because the linkage force of metallic compound and carboxyl a little less than, reach lowlyer to the metallic compound dissolving resin, and reason such as only can add on a small quantity, and fail significantly to improve its characteristic.

In addition, known have synthetic macromolecule more than 2 kinds is mixed, make the simulation crosslinking structure of intermolecular formation hydrogen bond, and develop the resin combination (TOHKEMY 2000-273319 number) that importing that a kind of material in the past fails to realize has new feature.In addition, also have the proposition polymkeric substance that second-order transition temperature is lower contain proton supply with the property atomic group hydroxyl propene polymer with, the propene polymer of the amido that contains proton acceptability atomic group of the polymkeric substance that second-order transition temperature is higher carries out fusion, make the prepared film of simulation crosslinked resin composition of the simulation crosslinking structure of intermolecular formation hydrogen bond, and have new features, have the film (TOHKEMY 2002-38036 number) of opposite characteristic such as thermotolerance and toughness concurrently.

Summary of the invention

Follow-on CD sees through layer, as mentioned above, 400nm left and right sides short wavelength's laser is seen through, mint-mark is write down and reproduced at the signal information of recording layer, but when euphotic transmitance is low, the reflected light that recording layer produced will reduce strength of signal because of being absorbed by euphotic the time.Therefore, photic zone wishing to get when having high signal tolerance range, wishes to use the good material of transmitance.

For example, acrylic resin is because of having the transparency of height, so the tested employed CD of laser that is used in 400nm left and right sides short wavelength.But, when acrylic resin is fitted the CD that is constituted in the photic zone mode,, produce warpage because of CD itself when using though can obtain the higher transparency, make to produce deviation significantly, and produce the problem such as correct reading and recording layer signal of failing in catoptrical direction.

Reduce the mode of warpage, the storage Young's modulus that for example can increase acrylic resin improves it, can reduce the hardness on acrylic resin surface but increase when storing Young's modulus, so when reality was used, regular meeting produced new problems such as damage optical disc surface.And because of its transmitance of part with damage will significantly reduce, thus be difficult for reading signal, and cause problem such as recording capacity reduction.

Produce the reason of warpage, be speculated as that to support basal disc different with euphotic material content, thus according to the difference of moisture absorption amount in the environment for use, or the difference of coefficient of thermal expansion etc. and cause volume rate of change difference cause.Use the problem that differing materials produced, infer because the primary characteristic of material own is a cause, but so far, still fail to develop a kind of satisfied low-birefringence that solves foregoing problems, high permeability, reduction warpage, surperficial rub resistance etc., can satisfy the photic zone of the various characteristics of demand of future generation.

In addition, with the densification of CD, when producing concavo-convex about number μ m on photic zone surface, when reading, will produce mistake etc. and fail correctly to read problems such as information, so normal requirement should be the photic zone film with excellent surface smoothness.In addition, have the film of excellent surface smoothness, produce adhesion easily on base material and release property is worsened, its result will cause the operation deterioration, problems such as productive rate reduction.But, because of easily film being peeled off from base material, so base material will undermine the surface smoothing of film when the demoulding is handled.

For example, film need not be peeled off down from substrate layer, and with film simultaneously and the substrate layer formed film winding laminate that curls, it can curl to film under the surface smoothing keeping, but and is not easy by the substrate layer stripping film.

The present invention under a kind of high-qualityization of heavy body with optical components such as CDs, can give photic zone and be fit to the optical component needed characteristic of film, and be that above-mentioned variety of issue proposed in solution.

That is, the present invention makes under the short wavelength about 400nm for providing a kind of, have than high permeability, low-birefringence, good pliability, and the optical component film of warpage also can not take place in life-time service, uses its film winding laminate, and optical component and CD are the purpose of invention.

In addition, in addition, the good optical component of the surperficial scuff resistance when the present invention also aims to obtain practicality with film, use its film winding laminate, optical component and CD.

In addition, the present invention, when above-mentioned optical component uses as winding laminate with film, with provide a kind of on substrate layer and photic zone film the optical component film with release property and surface smoothing, film winding laminate, optical component and the CD that uses it is the purpose of invention.

The inventor etc., reaching under the prerequisite of aforementioned purpose, further investigate the result, discovery is as photic zone, using thermoplastic resin or ethylene-based polymer to be main composition, when 30 ℃ of integrating values between 80 ℃ of loss Young's modulus in the Measurement of Dynamic Viscoelasticity of this thermoplastic resin or ethylene-based polymer and storage elastic modulus ratio are controlled at the special value scope, can obtain low-birefringence and have photic zone than high permeability, and, also can reduce the generation of warpage when photic zone and other differing materials are fitted, thereby finish the present invention.

In addition, resin with above-mentioned characteristic, when being mainly ethene polymers and constituting, carry out combined result because of in this ethene polymers, importing the particular functional base, can form the simulation crosslinking structure of hydrogen bond via functional group's interaction at intramolecularly, and the performance of giving optical component usefulness new film, when particularly can give optical characteristics and bendability, with photic zone of this CD etc., when particularly using as the photic zone of high-density DVD CD, can reduce the warpage of CD, thereby finish the present invention.

In addition, ethylene-based polymer, be generally thermoplastic resin, in the present invention, the reason of ethylene-based polymer and thermoplastic polymer and note is, ethylene-based polymer of the present invention, and not only present thermoplastic character, also comprise the meaning of the behavior of the demonstration solidified nature of following curing reaction according to different situations.

In addition, above-mentioned ethylene-based polymer, the ethylene-based polymer more than 2 kinds that preferably will have different qualities mixes, make it produce the mode of mimic crosslinking structure each other at ethylene-based polymer, can obtain the independent not getable multifrequency nature of ethylene-based polymer, in addition, also can obtain opposite characteristic simultaneously.For example, in the time of with 2 kinds of ethylene-based polymer blended, an ethylene-based polymer of positive birefringence that can thermotolerance is good with, another ethylene-based polymer with negative birefringence of flexibility mixes mutually.So, it is crosslinked then to form simulation in mixture, make mixed ethylene-based polymer with good thermotolerance and flexibility, and positive and negative degree of birefringence then forms the low birefringence of zero birefraction rate after offseting, thus can obtain independent ethylene-based polymer the not getable result who has two kinds of opposite characteristic concurrently.

In addition, the inventor etc., further investigate with the situation occurred of measuring its warpage doing to change with the various thermal expansion amounts that support basal disc at the photic zone that is useful in CD, the result learns when limiting support basal disc and euphotic thermal expansion amount within the specific limits, can reduce the probability that CD produces warpage, thereby finish the present invention.

In addition, when on photic zone, forming hard coat, the scratch of generation in the time of can preventing actual use.

In addition, in forming euphotic thermoplastic resin or ethylene-based polymer solution, add the silicone resin as the releasing agent use that can not hinder the transparency through optimal dose, and/or will form all contained low-molecular weight polymer amounts of polymkeric substance in euphotic thermoplastic resin or the ethylene-based polymer and be reduced to a certain amount of when following, except that can increasing the euphotic transparency and intensity, also can undermine under the surface smoothing in nothing, obtain having the photic zone of good release property by substrate layer, thereby finish the present invention.

That is, the item put down in writing to (43) with following (1) of the present invention is a feature.

(1) a kind of optical component film, it is characterized by, serve as ratio that stretch to measure loss Young's modulus in the Measurement of Dynamic Viscoelasticity down and storage elastic modulus with frequency 10Hz, 3 ℃/min of heat-up rate, mode determination 30 ℃ to 80 ℃ integrating value be more than 2, and to have by thermoplastic resin be to lead the photic zone that is constituted.

(2) a kind of optical component film, it is characterized by, serve as ratio that stretch to measure loss Young's modulus in the Measurement of Dynamic Viscoelasticity down and storage elastic modulus with frequency 10Hz, 3 ℃/min of heat-up rate, mode determination 30 ℃ to 80 ℃ integrating value be more than 2, and to have by ethylene-based polymer be to lead the photic zone that is constituted.

(3) optical component film as described above, wherein aforementioned ethylene-based polymer is to contain the ethylene-based polymer A that intramolecularly contains the a kind of proton property supplied with atomic group at least, at least contain the ethylene-based polymer B of a kind of proton acceptability atomic group with intramolecularly, and between the aforementioned proton property supplied with atomic group and the proton acceptability atomic group, it is crosslinked to form simulation via intermolecular hydrogen bond.

(4) optical component film as described above, wherein aforementioned ethylene-based polymer A, contain more than a kind by the monomer mixture of the selected functional group's of carboxyl, hydroxyl or phenol hydroxyl vinyl monomer through polymkeric substance that polymerization constituted for containing intramolecularly, aforementioned ethylene-based polymer B, contain the monomer mixture of vinyl monomer of nitrogen-atoms through polymkeric substance that polymerization constituted for containing intramolecularly, and, either party's second-order transition temperature is more than 25 ℃ among aforementioned ethylene-based polymer A and the aforementioned ethylene-based polymer B, and the opposing party's second-order transition temperature is for being lower than 25 ℃

(5) optical component film as described above, wherein aforementioned thermoplastic resin or aforementioned ethylene-based polymer are acrylic resin.

(6) optical component film as described above wherein in aforementioned thermoplastic resin or the aforementioned ethylene-based polymer, contains at least that to be selected from phenol more than a kind be that antioxidant, phosphatization system antioxidant, thioether are the compound of antioxidant and photostabilizer.

(7) optical component film as described above, the transmitance among its medium wavelength 405nm is more than 87%.

(8) optical component film as described above, wherein aforementioned euphotic thickness is 15 to 250 μ m, and the thickness precision is in ± 2.0 μ m.

(9) optical component film as described above, wherein aforementioned euphotic double refraction is below the 20nm.

(10) optical component film as described above, forming pencil hardness on the wherein aforementioned photic zone is the above hard coat of 3H.

(11) optical component film as described above, wherein the thickness of aforementioned hard coat is 0.5 to 8 μ m, the thickness precision is in ± 1.0 μ m.

(12) optical component film as described above, wherein aforementioned hard coat is a crosslinking structural body.

(13) optical component film as described above, wherein aforementioned crosslinking structural body is silicone-based crosslinking structural body or acrylic acid series crosslinking structural body.

(14) optical component film as described above, wherein aforementioned hard coat is the silicone-based thermoplastic resin that contains 0.2 to 10.0 weight %.

(15) optical component film as described above is laminated with the substrate layer of peelable removal when using on the wherein aforementioned photic zone.

(16) optical component film as described above, wherein the aforementioned substrates layer is, handle through the demoulding with the coated face of aforementioned photic zone adjacency, and surface smoothing is the following substrate layer of 20nm.

(17) optical component film as described above, wherein aforementioned photic zone is for containing silicone resin.

(18) optical component film as described above, wherein aforementioned euphotic thermoplastic resin or aforementioned ethylene-based polymer, the molecular weight that the polystyrene standard of measuring in use gel permeation chromatography chromatography converts is the shared ratio of low-molecular(weight)polymer below 10,000, is below the 10 weight % with respect to whole polymkeric substance.

(19) optical component film as described above, wherein aforementioned euphotic thermoplastic resin or aforementioned ethylene-based polymer, has opposite characteristic for being mixed with at least, reach the ethylene-based polymer that different separately ethylene-based polymer A of second-order transition temperature and ethylene-based polymer B are constituted, among this ethylene-based polymer A and this ethylene-based polymer B, second-order transition temperature is that the weight-average molecular weight that the polystyrene standard of the polymkeric substance of the either party more than 25 ℃ converts is more than 70,000.

(20) optical component film as described above, aforementioned substrates layer wherein, it is essentially by vibrin and is constituted.

(21) optical component film as described above, they are under 25 ℃, the condition of stripping rate 100mm/ second, and when aforementioned substrate layer was peeled off, the residue of peeling off that is produced because of fitting was at every 1m with aforementioned photic zone ³In be 3 to sentence down.

(22) optical component film as described above, wherein aforementioned photic zone are below 0.42 to the static friction coefficient of PET under 25 ℃.

(23) optical component film as described above on the wherein aforementioned photic zone, is formed with adhesive linkage.

(24) optical component film as described above, 2 layers thickness of wherein aforementioned photic zone and aforementioned adhesive linkage is 30 to 300 μ m, and the thickness precision is in ± 2.0 μ m.

(25) optical component film as described above, wherein aforementioned photic zone are to be used on the photic zone of CD.

(26) a kind of film winding laminate, it is constituted by aforementioned optical component is curled into the cylinder shape with film.

(27) a kind of optical component, it is for to use with film aforementioned optical component as photic zone.

(28) optical component as described above, wherein aforementioned photic zone are to fit via adhesive linkage, and the refringence of this photic zone and adhesive linkage is below 0.1.

(29) optical component as described above, it is a CD.

(30) optical component as described above, wherein aforementioned CD is high-density DVD, and recording capacity is more than the 20GB.

(31) a kind of CD, the CD that it is constituted at least one side of supporting basal disc is laminated with recording layer, adhesive linkage and photic zone in regular turn, it is relatively at aforementioned euphotic 30 ℃ of thermal expansion amounts to 80 ℃ of single shaft directions, the thermal expansion of the thermal expansion amount of 30 ℃ to 80 ℃ single shaft direction of aforementioned support basal disc is than the scope that is 0.75 to 1.25, and this photic zone is for being main composition by thermoplastic resin.

(32) CD as described above, wherein aforementioned euphotic double refraction is below the 20nm, thickness is 15 μ m to 250 μ m.

(33) CD as described above, the transmittance of wherein aforementioned euphotic wavelength 405nm is more than 87%.

(34) CD as described above, wherein aforementioned thermoplastic resin is an ethylene-based polymer.

(35) CD as described above, wherein aforementioned ethylene-based polymer is to contain the ethylene-based polymer A that intramolecularly contains a kind the proton property supplied with atomic group at least, at least contain the ethylene-based polymer B of a kind of proton acceptability atomic group with intramolecularly, and between the aforementioned proton property supplied with atomic group and the proton acceptability atomic group, it is crosslinked to form simulation via intermolecular hydrogen bond.

(36) CD as described above, wherein aforementioned ethylene-based polymer A, contain more than a kind by the monomer mixture of the selected functional group's of carboxyl, hydroxyl or phenol hydroxyl vinyl monomer through polymkeric substance that polymerization constituted for containing intramolecularly, aforementioned ethylene-based polymer B, contain the monomer mixture of vinyl monomer of nitrogen-atoms through polymkeric substance that polymerization constituted for containing intramolecularly, and, either party's second-order transition temperature is more than 25 ℃ among aforementioned ethylene-based polymer A and the aforementioned ethylene-based polymer B, and the opposing party's second-order transition temperature is for being lower than 25 ℃.

(37) CD as described above, wherein aforementioned ethylene-based polymer is an acrylic resin.

(38) CD as described above wherein in the aforementioned thermoplastic resin, contains at least that to be selected from phenol more than a kind be that antioxidant, phosphatization system antioxidant, thioether are the compound of antioxidant and photostabilizer.

(39) CD as described above, the refringence of wherein aforementioned photic zone and adhesive linkage is below 0.1.

(40) CD as described above, wherein aforementioned support basal disc is mainly by polycarbonate and is constituted.

(41) CD as described above, the thickness of wherein aforementioned support basal disc is 0.4mm to 1.2mm.

(42) CD as described above, further forming pencil hardness on the wherein aforementioned photic zone is the above hard coat of 3H.

(43) CD as described above, it is the above high-density DVD of recording capacity 20GB.

The present invention, be with the previous Japanese patent application case of applicant, promptly with 2002-353919 (December 5 2002 applying date), 2002-353928 (December 5 2002 applying date), 2002-353938 (December 5 2002 applying date), 2002-376721 (December 26 2002 applying date), 2002-376750 (December 26 2002 applying date), 2003-000472 (January 6 2003 applying date), 2003-059388 (March 6 2003 applying date) is the application that basis for priority proposed, so, and charge in the lump herein for to consider the necessity of aforementioned specification content in light of actual conditions.

Description of drawings

Fig. 1 is in the example of the present invention, the stereographic map of partial structure among the high-density DVD.

Fig. 2 is the sectional view of partial structure among the high-density DVD shown in Figure 1.

Fig. 3 is embodiment in the past, is the stereographic map of the expansion DVD partial structure of diagrammatic illustration DVD structure.

Fig. 4 is the sectional view of DVD shown in Figure 3.

Embodiment

Optical component of the present invention with the ratio of the euphotic loss Young's modulus of film and storage elastic modulus 30 ℃ to 80 ℃ integrating value (below, slightly be called ∑ tan δ) be defined as more than 2, preferable ∑ tan δ is more than 2.5, is more preferred from more than 3, the best is more than 4, and special good is more than 6.∑ tan δ is lower than at 2 o'clock, and the CD that uses film is when life-time service, and CD will be easy to generate deflection and produce read error, and causes the CD reliability to reduce, and in addition, when carrying out harsh test, also increases the probability that it produces deflection easily.Measuring the thickness of ∑ tan film that δ uses, is good with 50 to 150 μ m generally, and in addition, each inter-alveolar distance is good with 5 to 15mm generally.In addition, the ∑ tan δ of film can select the kind mode of thermoplastic resin or ethylene-based polymer to adjust.

Optical component of the present invention is with constituting euphotic thermoplastic resin or ethylene-based polymer in the film, as long as after processing film, the resin that the ratio of loss Young's modulus and storage elastic modulus has the characteristic more than 2 30 ℃ to 80 ℃ integrating value in the Measurement of Dynamic Viscoelasticity of measuring according to above-mentioned condition, no matter any resin all can use.Generally, the ∑ tan δ of thermoplastic resin or ethylene-based polymer itself can use can reach above-mentioned numerical value material and adjust.

Thermoplastic resin, be not particularly limited, for example can be by doing suitably selection in ethylene-based polymer, polycarbonate resin, polyolefin resin, the celluosic resin, in the aforementioned illustrative resin, with regard to the viewpoint of various characteristicses such as easy upgrading, the transparency and double refraction, be good with ethylene-based polymer, ethylene-based polymer, particularly the ester by acrylic or methacrylic acid is (methyl) acrylic acid polymer that principal monomer makes, and is the best with regard to film characteristics faces such as the transparency.

Acrylic resin, can make with polymerization methods by monomer with reactive pair of key, be not particularly limited, for example methyl acrylate, ethyl propenoate, propyl acrylate, n-butyl acrylate, isobutyl acrylate, tert-butyl acrylate, the vinylformic acid pentyl ester, the just own ester of vinylformic acid, 2-EHA, the vinylformic acid n-octyl, vinylformic acid dodecane ester, vinylformic acid octadecane ester, vinylformic acid fourth 2-ethoxyethyl acetate, phenyl acrylate, benzyl acrylate, vinylformic acid naphthalene ester, glycidyl acrylate, vinylformic acid 2-hydroxy methacrylate, cyclohexyl acrylate, vinylformic acid methyl cyclohexane ester, vinylformic acid 3-methyl cyclohexanol ester, vinylformic acid norborneol ester, vinylformic acid norborneol methyl esters, vinylformic acid cyano group norborneol ester, isobornyl acrylate, the vinylformic acid norbornene ester, the vinylformic acid menthyl ester, vinylformic acid sweet fennel ester, vinylformic acid diamantane ester, vinylformic acid dimethyladamantane ester, vinylformic acid three ring (5.2.1.0 ^2,6) last of the ten Heavenly stems-8-base, vinylformic acid three ring (5.2.1.0 ^2,6) last of the ten Heavenly stems-the 4-methyl, esters of acrylic acids such as vinylformic acid ring ester in the last of the ten Heavenly stems, Jia Jibingxisuanyizhi, propyl methacrylate, n-BMA, Propenoic acid, 2-methyl, isobutyl ester, the methacrylic tert-butyl acrylate, the methacrylic acid pentyl ester, the just own ester of methacrylic acid, methacrylic acid 2-ethylhexyl, n octyl methacrylate, methacrylic acid dodecane ester, methacrylic acid octadecane ester, methacrylic acid fourth 2-ethoxyethyl acetate, phenyl methacrylate, methacrylic acid naphthalene ester, glycidyl methacrylate, methacrylic acid ring pentyl ester, cyclohexyl methacrylate, methyl methacrylate base cyclohexyl, methacrylic acid 3-methyl cyclohexanol ester, methacrylic acid norborneol ester, methacrylic acid norborneol methyl esters, methacrylic acid cyano group norborneol ester, methacrylic acid phenyl norborneol ester, isobornyl methacrylate, the methacrylic acid norbornene ester, the methacrylic acid menthyl ester, methacrylic acid sweet fennel ester, methacrylic acid diamantane ester, dimethylaminoethyl acrylate methyl base diamantane ester, methacrylic acid three ring (5.2.1.0 ^2,6) last of the ten Heavenly stems-8-base, methacrylic acid three ring (5.2.1.0 ^2,6) last of the ten Heavenly stems-the 4-methyl, methyl acrylic esters such as methacrylic acid ring ester in the last of the ten Heavenly stems, alpha-methyl styrene, α-ethyl styrene, α-fluorine-based vinylbenzene, α-chloro vinylbenzene, α-bromo vinylbenzene, fluorine-based vinylbenzene, chloro vinylbenzene, bromo vinylbenzene, vinyl toluene, aromatic ethenyl compounds such as methoxy styrene, calcium acrylate, vinylformic acid barium, the propylene lead plumbate, vinylformic acid tin, zinc acrylate resin, methacrylic acid calcium, methacrylic acid barium, the methacrylic lead plumbate, methacrylic acid tin, zinc methacrylate etc. (methyl) acrylate metal salt, vinylformic acid, unsaturated fatty acidss such as methacrylic acid, vinyl cyanide, vinyl cyanide compounds such as methacrylonitrile, N-methyl maleimide, the N-ethyl maleimide, N-propyl group maleimide, N-sec.-propyl maleimide, the N-butyl maleimide, N-isobutyl-maleimide, N-tertiary butyl maleimide, the N-month expensive basic maleimide, N-cyclohexyl maleimide, N-benzyl maleimide, N-phenylmaleimide, N-(2-chloro phenyl) maleimide, N-(4-chloro phenyl) maleimide, N-(4-bromo phenyl) maleimide, N-(4-bromo phenyl) phenyl maleimide, N-(2-aminomethyl phenyl) maleimide, N-(2-ethylphenyl) maleimide, N--(2-p-methoxy-phenyl) maleimide, N-(2,4, the 6-trimethylphenyl) maleimide, N-(4-benzyl phenyl) maleimide, N-(2,4,6-three bromo phenyl) maleimide, 2,2,6,6-tetramethyl-piperidyl methacrylic ester, 2,2,6,6-tetramethyl--N-methyl piperidine ylmethyl acrylate etc.In addition, it can separately or will be used in combination more than 2 kinds, and is not limited in illustrated content.

In addition, in the thermoplastic resin, can contain by phenol is that antioxidant, phosphatization system antioxidant, thioether are the compound more than at least a kind selected in antioxidant and the photostabilizer again.For example, antioxidant can use various antioxidants such as phenol system, phosphatization system and thioether system, and photostabilizer is for example only otherwise can cause the thermoplastic resin transparency, low-birefringence reduction the time, then there is no particular limitation, compound particularly for example shown below etc.

Phenol is antioxidant, only otherwise can cause the thermoplastic resin transparency, low-birefringence reduction the time, then there is no particular limitation.For example, following structural formula (1) is to antioxidant shown in the structural formula (8) etc.

Knot Agencies formula (1)

Knot Agencies formula (2)

Knot Agencies formula (3)

Knot Agencies formula (4)

Knot Agencies formula (5)

Knot Agencies formula (6)

Knot Agencies formula (7)

Knot Agencies formula (8)

Phosphatization system antioxidant, only otherwise can cause the thermoplastic resin transparency, when birefringence reduces, then there is no particular limitation.For example, following structural formula (9) is to antioxidant shown in the structural formula (21) etc.

Knot Agencies formula (9)

Knot Agencies formula (10)

Knot Agencies formula (11)

Knot Agencies formula (12)

Knot Agencies formula (13)

Knot Agencies formula (14)

Knot Agencies formula (15)

Knot Agencies formula (16)

Knot Agencies formula (17)

Knot Agencies formula (18)

Knot Agencies formula (19)

Knot Agencies formula (20)

Knot Agencies formula (21)

Thioether is an antioxidant, only otherwise can cause the thermoplastic resin transparency, when birefringence reduces, then there is no particular limitation.For example, following structural formula (22) is to antioxidant shown in the structural formula (24) etc.

Knot Agencies formula (22)

Knot Agencies formula (23)

Knot Agencies formula (24)

In addition, photostabilizer used in the present invention for example can use following structural formula (25) to the photostabilizer shown in the structural formula (34).

Knot Agencies formula (25)

Knot Agencies formula (26)

Knot Agencies formula (27)

Knot Agencies formula (28)

Knot Agencies formula (29)

Knot Agencies formula (30)

Knot Agencies formula (31)

Knot Agencies formula (32)

Knot Agencies formula (33)

Knot Agencies formula (34)

The additive of above-mentioned antioxidant and photostabilizer can all can separately or with merging more than 2 kinds to use.The amount of additive can be according to the decision of its necessity, and generally speaking, the solids component of employed resin combination when making film is to add below the 1.0 weight % to good, again being good more than the 0.01 weight %.When addition surpassed 1.0 weight %, the transparency of thermoplastic resin had the tendency of reduction.Particularly heating and melting with make film the time, be good to add above-mentioned illustrative antioxidant.When not adding antioxidant, in processing, often produce paintedly, and have the doubt that the resin combination transparency is reduced because of oxidative degradation.But, add and under lower low temperature (below about 200 ℃), add man-hour man-hour, can not add antioxidant.Photostabilizer can cooperate the light stability of thermoplastic resin and adds.Other for example can add fatty alcohol, fatty acid ester, benzoic ether, Witepsol W-S 55 class again, fluorine is releasing agents such as tensio-active agent, higher fatty acid metal-salt, and other lubrication prescription, softening agent, antistatic agent, UV light absorber, fire retardant, heavy metal inerting agent etc. also can.

In the present invention, the manufacture method of acrylic resin (ethylene-based polymer) for example can be used above-mentioned materials, makes with existing methods such as mass polymerization, outstanding turbid polymerization, emulsion polymerization and solution polymerizations.

Can use polymerization starter in the time of polymeric, polymerization starter is the peroxidation benzoin for example, the lauroyl peroxide ester, two-t-butyl peroxy, six hydrogen base terephthalate, t-butyl peroxy-2-ethyl hexanone ester, 1,1-t-butylperoxy-3,3, organo-peroxides such as 5-trimethyl-cyclohexane, azobis isobutyronitrile, azo is two-4-methoxyl group-2, the 4-methyl pentane nitrile, azo bicyclohexanone-1-phosphinylidyne nitrile, azo-compounds such as azo dibenzoyl ester, Potassium Persulphate, the redox catalyst that water-soluble catalyst such as ammonium persulphate and superoxide or persulphate and reductive agent combination are constituted etc., as long as all can use during employed polymerization starter in the time of for general radical polymerization, not only be limited to above-mentioned illustrated.In addition, polymerization starter, general consumption is that the scope of 0.01 weight % to 10 weight % is good for employed monomer total amount when making resin.

In addition, molecular weight is adjusted agent, for example can add mercaptan based compound, thioglycol, tetracol phenixin and α-Jia Jibenyixierjuwu etc. according to its necessity, and not only is limited to aforementioned illustrated molecular weight adjustment agent.

During with the polymerization of thermopolymerization mode, polymerization temperature can suitably be selected between 0 ℃ to 200 ℃ scope, is good with 50 ℃ to 120 ℃ scope particularly.

Among the present invention, thermoplastic resin is when using acrylic resin, the molecular weight of acrylic resin is not special to be limited, with regard to obdurability and thermotolerance viewpoint, weight-average molecular weight (use the gel permeation chromatography chromatography to measure, and use the value of polystyrene standard typical curve through the conversion gained) is 10,000 to 1,000,000 scope is good.

Under the insufficient purpose of the flexibility of improving the acrylic resin shortcoming, can add identical rubber particles of specific refractory power or the higher acrylic resin of fusion flexibility.The method of the acrylic resin that for example fusion flexibility is higher, open the 2000-273319 communique or special open the method that the 2002-38036 communique is put down in writing as the spy, its the acrylic resin with electronics acceptability atomic group and the acrylic resin with electron donability atomic group in fusion at intermolecular formation hydrogen bond, can make acrylic acid resin composition with heigh clarity.

In addition, light transparent layer, when the ethylene-based polymer that uses thermoplasticity or solidified nature makes for the master, with use contain have at least ethylene-based polymer A that a kind of proton supplies with the property atomic group with, at least the mixture that has the ethylene-based polymer B of a kind of proton acceptability atomic group is good, so, can between two atomic groups, form the simulation cross-linked state with intermolecular hydrogen bonding.In addition, ethylene-based polymer is best with the acrylic resin.In addition, be called " simulation " here, so-called " simulation " be meant by heat (heat decomposition temperature is following) or solvent etc. crosslinking structure cut off, and reducing by temperature or the removal solvent is inferred and can be formed crosslinking structure once again.So, ethylene-based polymer more than 2 kinds is mixed, when again it being formed the photic zone film, not getable multifrequency nature in the time of can obtaining only forming film by a kind of ethylene-based polymer.For example, will have the ethylene-based polymer of good heat resistance, and have that the flexible ethylene-based polymer mixes and the result that must simulate cross-linked state can obtain with characteristics such as thermotolerance and wilfulnesses.Below, will be described in more detail ethylene-based polymer A and ethylene-based polymer B.

(ethylene-based polymer A)

Ethylene-based polymer A can supply with the vinyl monomer of property atomic group and make through polymerization by having a kind of proton at least, and it then is not particularly limited when not undermining optical characteristics such as the transparency, birefringence.

The above-mentioned proton property supplied with atomic group is functional groups such as carboxyl, sulfonic group, phosphate, hydroxyl, phenol hydroxyl, thiohydroxy, thiophenol thiohydroxy, primary amine groups, secondary amine for example, preferably have functional groups' such as carboxyl, hydroxyl or phenol hydroxyl compound.

Above-mentioned not special qualification of vinyl monomer, for example vinylformic acid with the proton property supplied with atomic group, the 2-hydroxyethylmethacry,ate, 2-hydroxypropyl acrylate, 2-hydroxybutyl acrylate, 2-acrylyl oxy-ethyl succsinic acid, 2-acrylyl oxy-ethyl six hydrogen yl benzoic acids, 2-acrylyl oxy-ethyl-2-hydroxypropyl benzoic ether, 2-acrylyl oxy-ethyl azido acid ester, 2-hydroxyl-3-acryloyl-oxy propyl group acrylate, methacrylic acid, 2-hydroxyethyl methacrylic ester, the 2-hydroxy propyl methacrylate, 2-hydroxybutyl methacrylic ester, 2-methylacryoyloxyethyl succsinic acid, 2-methylacryoyloxyethyl hexahydrobenzene formic acid, 2-methylacryoyloxyethyl-2-hydroxypropyl benzoic ether, 2-methylacryoyloxyethyl azido acid ester, 2-hydroxy-3-methyl acryloyl-oxy propyl group acrylate, vinyl phenol, vinyl benzoic acid, vinyl benzoate and derivative etc. thereof.

Intramolecularly has a kind of proton at least when supplying with the vinyl monomer of property atomic group and other vinyl monomer and carry out copolymerization, vinyl monomer with the proton property supplied with atomic group, for the vinyl monomer total amount, to use 0.2 mole of above copolymerization of % is good, in addition, carrying out copolymerization more than the % for better with 0.5 mole, is the best with 1.0 moles of above copolymerization persons of %.When being lower than 0.2 mole of %, less because of the intermolecular hydrogen bonding point between ethylene-based polymer A and ethylene-based polymer B, so solvability is relatively poor, and have the tendency that infringement makes the transparency of resin combination.Its upper limit is not special to be limited, and is generally 30 moles below the %.

In addition, in making ethylene-based polymer A, can use above-mentioned materials to get final product with existing methods such as mass polymerization, outstanding turbid polymerization, emulsion polymerization and solution polymerizations.

Can use polymerization starter in the time of polymeric, polymerization starter is the peroxidation benzoin for example, the lauroyl peroxide ester, two-t-butyl peroxy, six hydrogen terephthalate, t-butyl peroxy-2-ethyl hexanone ester, 1,1-t-butylperoxy-3,3, organo-peroxides such as 5-trimethyl-cyclohexane, azobis isobutyronitrile, azo is two-4-methoxyl group-2, the 4-methyl pentane nitrile, azo bicyclohexanone-1-phosphinylidyne nitrile, azo-compounds such as azo dibenzoyl ester, Potassium Persulphate, the redox catalyst that water-soluble catalyst such as ammonium persulphate and superoxide or persulphate and reductive agent combination are constituted etc., as long as all can use during employed polymerization starter in the time of for general radical polymerization, not only be limited to above-mentioned illustrated material.In addition, polymerization starter, general consumption is that the scope of 0.01 weight % to 10 weight % is good for employed monomer total amount when making resin.

In addition, molecular weight is adjusted agent, for example can add mercaptan based compound, thioglycol, tetracol phenixin and α-Jia Jibenyixierjuwu etc. according to its necessity, and not only is limited to aforementioned illustrated molecular weight adjustment agent.

During with the polymerization of thermopolymerization mode, polymerization temperature can suitably be selected between 0 ℃ to 200 ℃ scope, is good with 50 ℃ to 120 ℃ scope particularly.

Its molecular weight of ethylene-based polymer A of the present invention is not special to be limited, with regard to obdurability and thermotolerance viewpoint, weight-average molecular weight (use the gel permeation chromatography chromatography to measure, and use the value of polystyrene standard typical curve through converting and being constituted) is 10,000 to 1,000,000 scope is good, again with 100,000 to 1,000,000 scope is for better.

(ethylene-based polymer B)

Ethylene-based polymer B can be by having a kind of proton acceptability atomic group at least, and the vinyl monomer that preferably has the atomic group of nitrogen-atoms makes through polymerization, and it then is not particularly limited when not undermining optical characteristics such as the transparency, birefringence.

Above-mentioned proton acceptability atomic group, functional groups such as carbonyl, alkylsulfonyl, phosphoryl, cyano group, secondary amine, tertiary amine groups, nitrogen heterocycle for example, the preferably is the functional group of secondary amine, tertiary amine groups or nitrogen heterocycle.

Above-mentioned vinyl monomer with proton acceptability atomic group, dimethyl aminoethyl acrylate for example, diethylamide ethyl propylene acid esters, the dimethyl aminoethyl acrylate, the dimethyl aminoethyl methacrylic ester, diethylamino ethyl-methyl acrylate, 2,2,6,6-tetramethyl--N-methylpyrimidine ylmethyl acrylate, 2,2,6,6-tetramethyl--N-methylpyrimidine base acrylate, 2,2,6,6-four-N-methyl piperidine ylmethyl acrylate, 2,2,6,6-tetramethyl-piperidyl methacrylic ester, dimethyl amino ethyl methacrylate, acrylamide, Methacrylamide, the N-DMAA, N-diethyl acrylamide, the N-dimethylmethacryl amide, (methyl) acrylic amides such as N-diethylmethyl propyl amides, vinyl pyrimidine and derivative thereof etc.In addition, not only be limited to aforesaid compound.

In addition, as the monomeric usage quantity that in the molecule of ethylene-based polymer B, is used to import at least a kind of proton acceptability atomic group, for constituting the vinyl monomer total amount of ethylene-based polymer B, to use 0.2 mole of above copolymerization of % is good, in addition, carrying out copolymerization more than the % for better with 0.5 mole, is the best with 1.0 moles of above copolymerization of %.When being lower than 0.2 mole of %, less because of the intermolecular hydrogen bonding point between ethylene-based polymer A and ethylene-based polymer B, so solvability is relatively poor, and have the tendency that infringement makes the transparency of resin combination.Its upper limit is not special to be limited, and is generally 30 moles below the %.

In addition, in making ethylene-based polymer B, can use above-mentioned materials to get final product with existing methods such as mass polymerization, outstanding turbid polymerization, emulsion polymerization and solution polymerizations.

Can use polymerization starter in the time of polymeric, polymerization starter is the peroxidation benzoin for example, the lauroyl peroxide ester, two-t-butyl peroxy, six hydrogen terephthalate, t-butyl peroxy-2-ethyl hexanone ester, 1,1-t-butylperoxy-3,3, organo-peroxides such as 5-trimethyl-cyclohexane, azobis isobutyronitrile, azo is two-4-methoxyl group-2, the 4-methyl pentane nitrile, azo bicyclohexanone-1-phosphinylidyne nitrile, azo-compounds such as azo dibenzoyl ester, Potassium Persulphate, the redox catalyst that water-soluble catalyst such as ammonium persulphate and superoxide or persulphate and reductive agent combination are constituted etc., as long as all can use during employed polymerization starter in the time of for general radical polymerization, not only be limited to above-mentioned illustrated material.In addition, polymerization starter, general consumption is that the scope of 0.01 weight % to 10 weight % is good for employed monomer total amount when making resin.

In addition, molecular weight is adjusted agent, for example can add mercaptan based compound, thioglycol, tetracol phenixin, α-Jia Jibenyixierjuwu etc. according to its necessity, and not only be limited to aforementioned illustrated material.

During with the polymerization of thermopolymerization mode, polymerization temperature can suitably be selected between 0 ℃ to 200 ℃ scope, is good with 50 ℃ to 120 ℃ scope particularly.

Ethylene-based polymer B of the present invention, its molecular weight is not special to be limited, and with regard to obdurability and thermotolerance viewpoint, weight-average molecular weight (uses the gel permeation chromatography chromatography to measure, and the value of using the polystyrene standard typical curve to be constituted) be 10 through conversion, 000 to 1,000,000 scope is good, again with 50,000 to 1,000,000 scope is for better.

(ethylene-based polymer A mixes with ethylene-based polymer B's)

Among the present invention, be suitable as the ethylene-based polymer that photic zone uses, can obtain by above-mentioned ethylene-based polymer A is mixed with ethylene-based polymer B.Just improve under pliability or the stable on heating purpose, can suitably add other ethylene-based polymer.

With ethylene-based polymer A and ethylene-based polymer B blended method, for example fusion the mix method etc. of method, lacquer shape of mixing all can be used.

The blending ratio of above-mentioned ethylene-based polymer A and ethylene-based polymer B, as long as constitute under the transparency of resin combination guaranteeing, not special the qualification, with regard to viewpoints such as obdurability, thermotolerance, the transparency, can form the mol ratio of the atomic group of hydrogen bond among ethylene-based polymer A and the ethylene-based polymer B, be mixed into good to use 15 to 1 to 1 to 15 blending ratio.

In addition, among the present invention, the second-order transition temperature of ethylene-based polymer A and ethylene-based polymer B is good with different situation, and the second-order transition temperature with a side is below 25 ℃ again, the opposing party's second-order transition temperature be more than 25 ℃ the person for better.Ethylene-based polymer A that aforementioned second-order transition temperature is different and ethylene-based polymer B mixing resultant can be given its thermotolerance and toughness to the formation ethene polymers.When surpassing beyond the said temperature condition and range, at room temperature can not give its toughness, and be easy to generate problem such as thermal distortion.Second-order transition temperature does not then have special problem when satisfying the said temperature scope, a preferred side is below 10 ℃, and the opposing party is more than 50 ℃.Being more preferred from a side is below 0 ℃, and the opposing party is more than 80 ℃.In addition, in the present invention, second-order transition temperature can use methods such as DVA (Measurement of Dynamic Viscoelasticity), TMA, DSC to measure, and is good to use DVA (Measurement of Dynamic Viscoelasticity) to be determined as benchmark again, and embodiment described later is also for using DVA to measure.

For satisfying above-mentioned second-order transition temperature condition, to contain the ethylene-based polymer A of the a kind of proton property supplied with atomic group relatively at least at intramolecularly, at least contain the ethylene-based polymer B of a kind of proton acceptability atomic group with intramolecularly, can be again and other ethylene-based polymer copolymerization.Its employed monomer under the transparency of formation ethylene-based polymer, is not particularly limited, and for example can use aforesaid propylene acid resin monomer etc.

In addition, be to add composition arbitrarily in the polymerization at above-mentioned ethene in case of necessity.For example with regard to preventing viewpoints such as deterioration, thermostability, formability, processibility, can add antioxidants such as above-mentioned phenol system, phosphatization system, thioether system, photostabilizer, fatty alcohol, fatty acid ester, benzoic ether, Witepsol W-S 55 class, fluorine is releasing agents such as tensio-active agent, higher fatty acid metal-salt, and other lubrication prescription, softening agent, antistatic agent, UV light absorber, fire retardant, heavy metal inerting agent etc. also can.

Use the method that thermoplastic resin or ethylene-based polymer are made becomes euphotic film, do not reducing not special qualification the under the prerequisites such as the transparency of film, low-birefringence, for example thermoplastic resin or ethylene-based polymer can be dissolved in the solvent, with as base material, preferably be coated on the polyester resin film, and its exsiccant mode is made, or, make through injection forming method with thermoplastic resin or ethylene-based polymer heating and melting.Other method for example, with thermoplastic resin or ethylene-based polymer heating and melting, be extruded into type also can, in addition, can be with thermoplastic resin or ethylene-based polymer heating and melting after the compressed moulding mode make.

In addition, employed solvent, as long as there is no particular restriction for solubilized thermoplastic resin or ethylene-based polymer person, for example ketone such as acetone, methyl ethyl ketone, methyl iso-butyl ketone (MIBK) are solvent, fragrant family solvent such as toluene, dimethylbenzene, NMP, N,N-DIMETHYLACETAMIDE etc.Aforementioned content only is an illustration, does not limit technology contents of the present invention.In addition, during in particular for the adherence that improves metals such as glass, aluminium or copper, in making film, be good to use the casting film substrate.Its not special qualification particularly, for example can be selected stainless steel, PET film, fe fluon (trade(brand)name) film etc., with it thermoplastic resin or ethylene-based polymer is had than hanging down adherence and being preferable.

The photic zone of the formation film of the present invention that makes according to preceding method has obdurability and flexibility, so mechanical characteristics is splendid, also has good warpage processibility.

Optical component film of the present invention, the transmitance under wavelength 405nm to be to be good more than 87%, again with more than 90% for better.Transmitance is lower than at 87% o'clock, and the reflected light that recording layer produced will be absorbed by photic zone the time, and strength of signal is reduced.For making transmitance be higher than 87%, for example can not add the ultraviolet additive of absorption, or in the monomer that constitutes resin, only use the monomer mode that does not have the ultraviolet radiation absorption band to regulate.

In addition, optical component of the present invention is with euphotic thickness in the film, is good with the scope of 15 to 250 μ m, again with the scope of 25 to 200 μ m for better, be the best with the scope of 35 to 150 μ m.Obdurability can reduce when film thickness was lower than 15 μ m, added the tendency that has the operation deterioration man-hour, and on the contrary, volatile matter such as easy residual solvent, monomer when surpassing 250 μ m are so be difficult for making the film with superperformance.In addition, the mensuration of film thickness, can use laser thickness extensometer (Keynes's corporate system, LT-8010), to any size (1cm for example ²To 10000cm ²Face in) film, suitably select the measuring point of (for example 25 to 1000 points) to measure, and with its average thick value as thickness.

In addition, optical component film of the present invention, the thickness tolerance range is with in ± 2.0 μ m, and the concavo-convex of width 15 μ m is below the 5nm, and haze value 1% is good with interior person.The thickness tolerance range with ± 1.5 μ m with interior for better, haze value is good with 0.5% with interior person.The thickness tolerance range, for example in carrying out processing film, when making, for example can improve the coating tolerance range of coating machine and the stability of driving with coating method, and for example to melt extrude mode when making, the tolerance range that can improve the extrusion mould gap with improve the stability that drives system.In addition, surface smoothing, when film being used application step make, can be by the selection of use solvent kind, the selection of drying conditions, or the modes such as smoothness of raising coating machine are adjusted.Use melt extrudes mode when making, and can improve between the extrusion mould crack smoothness partly and adjust.In addition, haze value can improve the mode of the transparency of making the employed resin combination of film to be adjusted, and in addition, also can improve the mode of film surface smoothness and adjust.

In addition, optical component of the present invention with euphotic double refraction in the film being good below the 20nm.When double refraction surpassed 20nm, when writing or reading CD, its signal accuracy had the tendency of reduction.The photic zone double refraction, with regard to the viewpoint of signal tolerance range, being good below the 10nm, with below the 5nm for better, when particularly surpassing the high-density DVD of 20GB, being the best below the 2nm.

In addition, the example of the detailed assay method of above-mentioned each characteristic will elaborate in following examples.

Optical component film of the present invention can form hard coat again on photic zone, this hard coat, and the surface hardness after it solidifies is being good more than the pencil hardness 3H.When pencil hardness was lower than 3H, its scuff resistance was insufficient.In addition, hard coat does not have special qualification, as long as cross-linking agent structure person is arranged, again to have silicone-based crosslinking structural body or acrylic acid series crosslinking structural body person for good.In addition, the thickness of hard coat is good with 0.5 to 8.0 μ m, and its thickness tolerance range is good with ± 1.0 μ m with interior person.The raising poor effect of scuff resistance when the thickness of hard coat is lower than 0.5 μ m can produce the crack when surpassing 8.0 μ m when the environment test.

Form the method for aforementioned hard coat on film at optical component, not special the qualification, for example, on the film that makes in advance, coating has the hard coat precursor that is added with curing catalysts of uniform thickness, thereafter, is heated or uses uviolizing that it is solidified to form again.

Above-mentioned hard coat precursor as the silicone crosslinking structural body for example can use the hydrolytic condensate of the alkoxyl group Trimethoxy silane of tetraethoxysilane, tetramethoxy-silicane, C1 to C12, the alkyl triethoxyl silane, two of C1 to C12 (alkyl of C1 to C12) Trimethoxy silane, two (alkyl of C1 to C12) triethoxyl silane, three (alkyl of C1 to C12) methoxy silane, three (alkyl of C1 to C12) Ethoxysilane etc.In addition, aforementioned silane compounds can be used separately or all can merging more than 2 kinds to use.

The above-mentioned curing catalysts that is added on hard coat precursor, for example can use potassium hydroxide, sodium hydroxide, hydrated barta, strontium hydroxide, lithium hydroxide, magnesium hydroxide, alkali metal hydroxides such as calcium hydroxide, Trimethylamine, triethylamine, three (C3 to C8 alkyl) amine, dimethyl amine, diethylamide, two (C3 to C8 alkyl) amine, methylamine, ethylamine, (C3 to C8 alkyl) amine, hexahydroaniline, morpholine, trimethyl ammonium oxyhydroxide, triethyl ammonium oxyhydroxide, tetramethyl-ammonium oxyhydroxide, hydroxyethyl dimethyl oxyhydroxide, amine compound such as hydroxyethyl diethyl oxyhydroxide are wherein again with potassium hydroxide, sodium hydroxide, tetramethyl-ammonium oxyhydroxide, tetraethyl-amine oxyhydroxide, hydroxyethyl acid trimethyl ammonium oxyhydroxide, hydroxyethyl triethyl ammonium oxyhydroxide etc. is good.But aforementioned only is an illustration, and the present invention only is not limited to this.In addition, it can use separately or all can merging more than 2 kinds to use.The curing catalysts amount of adding is not special to be limited, and generally can be that the scope of 0.05 weight % to 10 weight % is made appropriate selection at the solids component of corresponding coating layer precursor.

The solidification value of heating, as long as special qualification is not then arranged can make the temperature of hard coat precursor cures the time, general is good with the scope at 60 ℃ to 180 ℃.The best is 120 ℃ to 160 ℃ a scope.

In addition, can use catalyzer when making above-mentioned hard coat precursor, this catalyzer for example can use alkali hydroxide, the amine compound identical with above-mentioned curing catalysts, or acid such as hydrochloric acid, sulfuric acid, nitric acid, P-TOLUENE SULFO ACID 99, phosphoric acid, phenol sulfonic acid, Tripyrophosphoric acid all can be used.They can use separately also can share two or more.But aforementioned only is an illustration, and the present invention only is not limited to this.

Among the present invention, the temperature of reaction when making hard coat precursor, not special the qualification, general is good with the scope at 20 ℃ to 100 ℃.When being lower than 20 ℃, speed of response can reduce, and productivity also can reduce.When surpassing 100 ℃, alcohol that hydrolysis or condensation generated or water have ebullient danger.In addition, reaction can be carried out to good in solution.Employed solvent, for example alcohol such as methyl alcohol, ethanol, propyl alcohol, butanols, amylalcohol, hexanol, enanthol, octanol.But aforementioned only is an illustration, and the present invention only is not limited to this.

Among the present invention, constitute the acrylic acid series crosslinking structural body of hard coat, can use the polymeric materials (hard coating material) of polymerizable compound and form with acryl or methacryloyl.

Can be used on the polymerizable compound of this hard coating material; urethane (methyl) origoester acrylate for example; epoxy group(ing) (methyl) origoester acrylate; oligomer ester (methyl) acrylate etc. has the oligopolymer of (methyl) acryl more than 2; ethylene glycol bisthioglycolate (methyl) acrylate; propylene glycol two (methyl) acrylate; 1; 4-butyleneglycol two (methyl) acrylate; 1; 6-hexylene glycol two (methyl) acrylate; alkane glycol two (methyl) acrylate such as neopentyl glycol (methyl) acrylate; Diethylene Glycol two (methyl) acrylate; triethylene glycol two (methyl) acrylate; (many) oxygen alkane glycol two (methyl) acrylate such as dipropylene glycol two (methyl) acrylate; glycerol two (methyl) acrylate; addition has two (methyl) acrylate that alkoxide (epoxy ethyl or epoxypropyl) constitutes affixture (for example on the dihydroxyphenyl propane; 2; two (4-(2-(methyl) acryloyl-oxy base oxethyl) phenyl) propane of 2-; 2; two (4-(2-(methyl) acryloxy propoxy-) phenyl) propane of 2-etc.) 2 functionalities (methyl) acrylate, trimethylolpropane tris (methyl) acrylate; tetramethylolmethane base three (methyl) acrylate; tetramethylolmethane base four (methyl) acrylate; Dipentaerythritol base six (methyl) acrylate; have multi-functional (methyl) acrylate such as (methyl) acrylate of phosphorous acid base-P=N and (methyl) acryl etc.

In addition, for adjusting the cured coating film characteristic, can remerge and add simple function (methyl) acrylate, for example, methyl (methyl) acrylate, ethyl (methyl) acrylate, butyl (methyl) acrylate, hexyl (methyl) acrylate, 2-ethylhexyl (methyl) acrylate, lauryl (methyl) acrylate, C1 to C20 alkyl (methyl) acrylate such as stearyl (methyl) acrylate, cyclohexyl (methyl) acrylate, phenyl (methyl) acrylate, benzyl (methyl) acrylate, isobornyl (methyl) acrylate, 2-hydroxyethyl (methyl) acrylate, 2-hydroxypropyl (methyl) acrylate etc. contains hydroxyethyl (methyl) acrylate, glycidyl (methyl) acrylate, N, N-diethylamide ethyl (methyl) acrylate etc. contains basic nitrogen atom (methyl) acrylate, trifluoroethyl (methyl) acrylate, halogen-containing (methyl) acrylate materials such as tetrafluoro propyl group (methyl) acrylate.

The hard coating material of aforementioned polymerizability, can use the Thermocurable material that contains thermal polymerization (organo-peroxides such as benzoyl superoxide, isopropyl benzene hydrogen base superoxide, diisopropylbenzyl superoxide), with regard to improving productivity, with use contain Photoepolymerizationinitiater initiater the light-cured type material be good, particularly to use the ultraviolet hardening person for better.

For carrying out the employed compound of photopolymerization, benzoin or derivatives thereof (benzoin for example, the benzoin isopropyl ether, benzoin ethyl isobutyl ether etc.), ketone (1-hydroxy-cyclohexyl benzophenone, acetyl phenol or derivatives thereof (alkoxyl group acetyl phenol), propionyl phenol or derivatives thereof (2-hydroxy-2-methyl propionyl phenol etc.), benzo phenol or derivatives thereof (4,4 '-dimethoxy benzo phenol, 4,4 '-two (4-diethylamide phenyl) ketone etc., benzyl or derivatives thereof (benzyl and benzyl methyl ketal etc.), thioxanthone or derivatives thereof (2, the 4-diethyl thioxanthone, 2-ethyl thioxanthone, the 2-isopropyl thioxanthone, 2-chloro thioxanthones etc.) Chang Yong Photoepolymerizationinitiater initiater or sensitizing agent etc. all can use, and it can use separately or all can being used in combination more than 2 kinds.

The usage quantity of thermal polymerization or Photoepolymerizationinitiater initiater to aforementioned polymerizable compound 100 weight parts, is good with the scope of using 0.1 to 10 weight part.

In addition, hard coating material can use the coating agent that contains organic solvent of organic solvents such as containing hydro carbons, alcohols, ester class, ketone, ethers in case of necessity.

In addition, hard coat of the present invention is good to contain 0.2 to 10.0 weight % silicone-based thermoplastic resin.Contain silicone based thermoplastic resin, can strengthen the smoothness on hard coat surface, scuff resistance is more improved.

In addition, optical component of the present invention is with on the film, can be provided with to support its film, and the substrate layer of peelable removal in use.In addition, for reducing applying step thereafter, adhesive linkage can be set on film, and also can with the common setting of above-mentioned substrate layer.In addition, when being formed with the film of hard coat, adhesive linkage can be formed on the opposite sides of hard coat.In addition, when adhesive linkage is layered in outermost layer, can form the protection adhesive linkage again, and the protective layer that can peel off in use.Aforementioned optical component film of the present invention, beyond photic zone, still can according to the difference of purposes freely with substrate layer, adhesive linkage, hard coat, with combination such as protective layer with stacked, and form the laminate film of 2 to 5 layers of structure.

Optical component of the present invention is used in the film, when on above-mentioned photic zone, the above-mentioned substrate layer that can peel off removal being set, and the surface smoothing of this substrate layer, is good on the surface below with 20nm when the demoulding is handled, with below the 18nm for better, again being the best below the 15nm, serving as special good below the 12nm.

In addition, the demoulding is handled, and for example is coated with macromolecular compound at evaporation inorganic thin film layer on the substrate layer or on substrate layer to carry out demoulding processor for good.Can certainly use at this moment, for better, to be the best with the following person of 5nm with the following person of 7nm again through the substrate layer below the surface smoothing 10nm that the demoulding is handled.

In addition, for improving substrate layer and euphotic release property, form euphotic thermoplastic resin or ethylene-based polymer and can add silicone resin.The silicone resin that in thermoplastic resin or ethylene-based polymer, is added, not special the qualification, for example can be general silicone such as dimethyl silscone, Methylphenylsilanone, or it is through modification, alkyl-modified silicone, fluorine-based silicone, polyether modified silicone, fatty acid ester modified silicone, amido modified silicone, carboxyl acid modified silicone, methyl alcohol modified silicone, epoxy group(ing) modified silicone, thiohydroxy modified silicone etc.In the aforesaid compound,, for example can use silicone for preferable alkyl-modified silicone and polyether modified silicone with structural formula shown in the following formula with alkyl-modified silicone, polyether modified silicone etc. with regard to viewpoints such as the release property or the transparencys.

(wherein, R is alkyl or the base with poly (oxyalkylene) based structures, and n and m are the integer of the expression polymerization degree)

Have in the compound of the represented structure of above-mentioned formula, again to use epoxy group(ing) modification dimethyl-silicon ketone resin, methoxyl group modification dimethyl-silicon ketone resin, positive propoxy modification dimethyl-silicon ketone resin, isopropoxy modification dimethyl-silicon ketone resin, n-butoxy modification dimethyl-silicon ketone resin, isobutoxy modification dimethyl-silicon ketone resin, tert.-butoxy modification dimethyl-silicon ketone resin, R terminal is alkyl such as methyl, ethyl, propyl group, butyl, and has the modification dimethyl-silicon ketone resin etc. of the base of polyoxy alkyl link structures such as polyoxyethylene chain, polyoxypropylene chains.

In the above-mentioned formula, n and m are the integer of the expression polymerization degree, and the preferable polymerization degree (n+m) of silicone resin is 20 to 100,000.Be more preferred from 40 to 50,000, the best is 100 to 10,000.The polymerization degree is lower than at 20 o'clock, and the scuff resistance of film surface and smoothness can reduce, and the polymerization degree is higher than the tendency that 100,000 o'clock transparencys have reduction.

The polymerization degree (m) with section of modification R structure partly, preferred 5 to 100,000 with regard to viewpoints such as the smoothness of film surface, the transparency, be more preferred from 10 to 50,000, the best is 20 to 1,000.

In addition, silicone resin for thermoplastic resin or ethylene-based polymer, is good with the scope of adding 0.01 weight % to 0.5 weight %, is more preferred from the scope of 0.02 weight % to 0.3 weight %.The addition of silicone resin is lower than 0.01 weight % when following, is not prone to the improved effect to release property, when addition surpasses 0.5 weight %, as film the time, can undermine its transparency, in addition, the silicone on surface can produce and ooze out phenomenon, and has the doubt that undermines surface smoothing.

Among the present invention, in forming euphotic thermoplastic resin or ethylene-based polymer, add the result of silicone resin, can reduce the static friction coefficient of film, thereby can improve substrate layer release property and scratch effect to euphotic film.Particularly, be good to the static friction coefficient of PET with 0.42 following person, be more preferred from 0.40 following person.Static friction coefficient surpasses at 0.42 o'clock, because of release property worsens, so be easy to generate scar when peeling off.

In addition, form euphotic thermoplastic resin of the present invention or ethylene-based polymer, the molecular weight that the polystyrene standard that uses the gel permeation chromatography chromatography to measure converts is that the shared ratio of the low-molecular(weight)polymer 10,000 below is to be good below the 10 weight % with respect to whole polymkeric substance, again with below the 5 weight % for better.Molecular weight is lower than the shared amount of polymkeric substance below 10,000 if suppress to 10 weight % can improve the intensity of thermoplastic resin or ethylene-based polymer when following, with photic zone when substrate layer is peeled off, have effects such as the adhesive of preventing or fracture.

In addition, as previously mentioned, intramolecularly contains the ethylene-based polymer A that a kind proton is supplied with the property atomic group at least, contains at least among the ethylene-based polymer B of a kind of proton acceptability atomic group with intramolecularly, and be polymkeric substance more than 25 ℃ for second-order transition temperature, weight-average molecular weight (polystyrene conversion) is with 70, be good more than 000, with 75,000 to 1,000,000 scope is for better.Second-order transition temperature is that weight-average molecular weight is lower than at 70,000 o'clock in the polymkeric substance more than 25 ℃, and the intensity of obtained film is reduced, and release property has the tendency of deterioration.Surpass at 1,000,000 o'clock, the resin solution viscosity before the film coated has too high situation, is difficult for handling and cause.In addition, second-order transition temperature is lower than 25 ℃ polymericular weight, not special the qualification, and with regard to intensity and formability viewpoint, weight-average molecular weight (polystyrene conversion) is with 10,000 to 1,000, and 000 scope is good.

In addition, optical component film of the present invention, when making by photic zone and substrate layer, the separability benchmark that euphotic film is produced when substrate layer is peeled off, with when 25 ℃, stripping rate 100mm/ were peeled off under second, the residue that produces because of peeling off is with 1mm ²Be 3 to sentence down to good.Every 1mm ²Peel off and residually surpass the film that 3 places constitute and can reduce its productive rate.

Optical component of the present invention is with on the film, during for the raising operation, can preformed thereon aforementioned bond layer, for example can behind coating adhesive or tackiness agent etc. on the photic zone, make its drying, or with the stacked and form layers of adhering film, as long as can with optical component film of the present invention, with recording layer or support basal disc etc. and all can be used by the article of bonding applying, then there is no particular limitation for its kind or formation method.When use is not pre-formed bond layer on photic zone optical component is made CD with film, because of on the support basal disc, forming bond layer again, the euphotic mode of fitting again on this bond layer subsequently makes, so not only can reduce euphotic surface smoothing, and, and cause the operation deterioration because of job step is extremely many.

Form the caking agent or the tackiness agent of adhesive linkage, not special the qualification for example can select to use acrylic acid series, natural rubber system, ethylene-ethyl acetate copolymer system, silicone-based, ester system etc.Be good particularly to use the acrylic acid series person.Above-mentioned bond layer can be coated on base material with above-mentioned caking agent or tackiness agent in advance, and makes its dry film like, laminar etc. that forms.Base material, for example can select polyethylene film, polypropylene-based elastomer thin film, polyolefin elastomer thin film, polyester film, polychlorostyrene vinyl film, polycarbonate cellulose film film, acetate films, various fluorine is film, Kapton etc.Base material shown in aforementioned only is an illustration, and the present invention is not limited by this.

In addition, on photic zone, form the period of adhesive linkage, not special the qualification, generally not resin-coated at base material to constitute euphotic thermoplastic resin or ethylene-based polymer, and be the best during dry back.

In addition, the thickness that photic zone and bond layer add up to is good with 30 μ m to 300 μ m, for better, is the best with 50 to 200 μ m with 40 to 250 μ m.When thickness was lower than 30 μ m, surface smoothing or operation had the tendency of deterioration, when thickness surpasses 300 μ m, and the tendency that the transmittance of surface smoothing or 405nm can worsen.In addition, 2 layers the thickness tolerance range that photic zone and bond layer constituted with ± 2 μ m with interior for good, the transmittance of 405nm is being good more than 87%.

The present invention still comprises the optical component film with the invention described above, for example batches the core periphery at drum, is the film winding laminate of feature to form cylindric.According to content of the present invention, the photic zone of film can batch under the material film that can not remain in substrate layer, so can not damage surface smoothing, in addition, the separability during because of use is also good, so handle easily, its result, the deterioration of productive rate in the time of can suppressing to make optical component.

In addition, optical component film of the present invention, the photic zone that is particularly suitable as CD uses.

The present invention also comprises and is suitable for optical component of the present invention and uses optical component as feature with film as photic zone.In addition, at this moment, photic zone is for being fitted on the recording layer etc. of optical component via adhesive linkage, so the refringence of photic zone and adhesive linkage is being good below 0.1.The specific refractory power of photic zone and adhesive linkage surpasses at 0.1 o'clock, and the interface of photic zone and adhesive linkage is easy to generate scattering of light, the result that it will cause the signal tolerance range to reduce.

CD of the present invention, by being constituted at the stacked in regular turn recording layer at least one side, adhesive linkage and the photic zone that support basal disc, this photic zone is that principal constituent is a feature with thermoplastic resin or the ethylene-based polymer with above-mentioned characteristic.

In addition, CD of the present invention, because at least one side CD that stacked recording layer, adhesive linkage and photic zone constituted in regular turn that supports basal disc, so relative thermal expansion amount in aforementioned euphotic 30 to 80 ℃ of single shaft directions, the thermal expansion of the thermal expansion amount of 30 ℃ to 80 ℃ single shaft direction of aforementioned support basal disc is than the scope that is 0.75 to 1.25, and this photic zone is for being main component by thermoplastic resin.

In the invention described above, relative photic zone, the thermal expansion of supporting basal disc is than the scope that is 0.75 to 1.25, but is more preferred from 0.8 to 1.2, and the best is 0.9 to 1.1 scope.The thermal expansion ratio is lower than at 0.75 o'clock, when environment test or life-time service, CD produces warpage according to the photic zone shrinkage direction, make reading tolerance range and writing the tolerance range reduction of recording layer, the thermal expansion ratio is high at 1.25 o'clock, when environment test or life-time service, CD produces warpage according to the photic zone expansion direction, makes reading tolerance range and writing the tolerance range reduction of recording layer.

In addition, the euphotic thermoplastic resin of formation of the present invention, as long as at the thermal expansion amount of euphotic 30 to 80 ℃ of single shaft directions, the thermal expansion of thermal expansion amount of 30 ℃ to 80 ℃ single shaft direction of supporting basal disc is than being all can use in 0.75 to 1.25 the scope time for relatively.Aforementioned thermoplastic resin, for example can be by making appropriate selection in ethylene-based polymer, polycarbonate resin, polyolefin resin, the celluosic resin, in the illustrated resin, with regard to the viewpoint of various characteristicses such as the easness of modification, the transparency and degree of birefringence, with ethylene-based polymer is good, in the ethylene-based polymer, the ester with acrylic or methacrylic acid is principal monomer prepared (methyl) acrylic acid polymer again, is best with regard to film characteristics faces such as the transparencys.In addition, thermoplastic resin, to use ethylene-based polymer serves as main when obtained, to use intramolecularly to contain the ethylene-based polymer A of a kind the proton property supplied with atomic group at least, at least the mixture that contains the ethylene-based polymer B of a kind of proton acceptability atomic group with intramolecularly is good, among ethylene-based polymer A and the ethylene-based polymer B, be below 25 ℃ with a side second-order transition temperature, the opposing party's second-order transition temperature be more than 25 ℃ the person for good.So, can make between two atomic groups, it is crosslinked to form simulation via intermolecular hydrogen bond.

In addition, also can form aforementioned hard coat on the photic zone of CD of the present invention.

In addition, to be suitable for use in recording capacity be the above high-density DVD of 20GB for CD of the present invention, the utmost point.

In addition, have in the CD of the present invention of above-mentioned thermal expansion ratio, this photic zone or form that this euphotic thermoplasticity states preferable characteristic or shape, as previously mentioned, can do various changes according to the difference of purposes.

Below, the large vol DVD that uses optical component of the present invention with optical component that film was suitable for-surpass 20GB is explained as illustration.

Fig. 1 is the stereographic map of partial structure among the high-density DVD of the present invention, and Fig. 2 is its sectional view.As Fig. 1 and shown in Figure 2, high-density DVD1 possesses recording layer 3 for having on the basal disc 2 of support, is formed with the structure of photic zone 5 on recording layer 3 via adhesive linkage 4.

DVD is the laser 6 from photic zone 5 sides irradiation 405nm short wavelength, and via the DVD that photic zone 5 makes the signal information of recording layer 3 reproduce and write down, high-density DVD1 for photic zone 5 thin layerizations, has used the DVD of optical component of the present invention with film.

The constituent material of DVD, except that photic zone 5 uses optical component with the film, other does not have special qualifications, supports basal disc 2 and recording layer 3, can use with same material was obtained in the past.For example, support basal disc 2, by being made of plastic bases such as polycarbonate, adhesive linkage 4 undermines not special qualification the under the transparency in nothing, for example can use ultraviolet curing resin, pressure-sensitive adhesive-film etc.

Support the thickness of basal disc 2, be generally the scope of 0.4mm to 1.2mm, the thickness of recording layer 3 and adhesive linkage 4 can be the scope of 30 μ m to 250 μ m, and the thickness that is more preferred from recording layer 3 and adhesive linkage 4 is the scope of 30 μ m to 150 μ m.

In addition, the laminating method of each layers such as above-mentioned support basal disc 2, recording layer 3, adhesive linkage 4, photic zone 5 can use general method commonly used to get final product.

In addition, optical component film of the present invention, except that can be used on above-mentioned DVD, also can be used on the liquid crystal touch control panel with base material film, flexible display panel with film, liquid-crystal display with phase-contrast film etc.

Below, will optical component film characteristics of the present invention be described with embodiment, the characteristic when reaching optical component usefulness film of the present invention as photic zone.

(embodiment)

Following each embodiment and each comparative example, to changing the optical component film that resin material constituted, and the laminate film characteristic that forms hard coat on its surface is respectively assessed, simultaneously each optical component is used with the making CD as photic zone with film and each laminate film, and its characteristic is assessed.In addition, the employed material consolidation of each embodiment and comparative example is as shown in table 1.Wherein, shown in the theing contents are as follows of the structural formula in the table 1 36, structural formula 37 and structural formula 38.

(table 1)

Item name, structural formula	Be called for short	Manufacturers
			Methyl methacrylate	MMA	Limited-liability company of Asahi Chemical Industry
Butyl acrylate	BA	With the pure medicine of light limited-liability company
			Methacrylic acid three ring [5.2.1.0 2，6] last of the ten Heavenly stems-the 8-base	TCDMA	Hitachi changes into limited-liability company
Vinylformic acid	AA	With the pure medicine of light limited-liability company
			The cyclohexyl maleimide	CHMI	Japan Catalytica Inc.
The lauroyl superoxide	LPO	Japan grease limited-liability company
			Azobis isobutyronitrile	AIBN	With the pure medicine of light limited-liability company
Structural formula 36	AO-50	Rising sun electrification limited-liability company
			Structural formula 37	HP-10	Rising sun electrification limited-liability company
Structural formula 38	LA-57	Rising sun electrification limited- liability company
			2,2,6,6-piperidino methyl acrylate	LA-87	Rising sun electrification limited-liability company
Diethylamino ethyl-methyl acrylate	DE	Li Yang limited-liability company of Mitsubishi
			The ethene dimethacrylate	EDMA	Limited-liability company of common prosperity society

(Knot Agencies formula 36)

(Knot Agencies formula 37)

(Knot Agencies formula 38)

Embodiment 1

In the present embodiment, at first make ethylene-based polymer (acrylic resin), ethylene-based polymer is shaped to film, re-use this film and make CD.

The making of＜ethylene-based polymer 〉

In the autoclave of 500mL, drop into the acetone 200g of polymerization solvent, weigh methyl methacrylate (MMA) 66.5g (58.4 moles of %), butyl acrylate (BA) 39.9g (27.4 moles of %), cyclohexyl maleimide 26.6g (14.2 moles of %) subsequently, add in the monomer mixture with the lauroyl peroxide 0.4g of polymerization starter, after making its dissolving, mixture is added in the flask., under room temperature (25 ℃) make nitrogen circulation 1 hour, after the molten oxygen of depositing is replaced, under nitrogen gas stream, be warming up to 60 ℃ thereafter.Kept 18 hours down synthermal, get the acetone soln of ethylene-based polymer.The percent polymerization of this moment is more than 99%.

The making of＜film 〉

In the acetone soln of the ethylene-based polymer of gained, add 0.05% abbreviate AO-50 as and abbreviate the antioxidant of HP-10 as respectively with relative ethene polymers, and abbreviate the photostabilizer of LA-57 as, after it dissolves fully, with this solution coat on sheet glass.Thereafter, 100 ℃ with 10 minutes, 150 ℃ with 15 minutes heat dryings removing solvent, the film of thickness 80 μ m.Institute is constituted film as the assessment sample,, measure integrating value (∑ tan δ), transmitance, double refraction, pliability, thickness tolerance range and the surface smoothing of loss Young's modulus/storage elastic modulus according to following measuring method, and haze value.Assessment result is organized in the aftermentioned table 2.

(the integrating value of loss Young's modulus/storage elastic modulus (∑ tan δ))

30 ℃ to 80 ℃ ∑ tan δ measures the sample of the about 80 μ m of thickness for using the Measurement of Dynamic Viscoelasticity device.Condition determination is heat-up rate: 3 ℃/min, mode determination is a stretch mode, and frequency 10Hz, inter-alveolar distance are 10mm.The Measurement of Dynamic Viscoelasticity device is for using the DVE-4V of reyn society system.

(transmitance (%))

Transmitance is measured the transmittance of wavelength 405nm down for using spectrophotometer in room temperature (25 ℃).Measure gas for using JASCO corporate system V-570.

(double refraction (nm))

Double refraction is measured for using the system refraction tester AEP-100 of limited-liability company of Shimadzu Seisakusho Ltd..

(pliability)

Whether pliability produces be full of cracks for visual type viewing film warpage the time, with the degree of albinism.Assessment mode finds that the film of breakage, be full of cracks and albinism is " zero ", and producing damaged film then is " * ".

(thickness (μ m), thickness tolerance range (μ m))

The thickness of film and the tolerance range of thickness, (Keynes's corporate system LT-8100), is measured the square film of 12cm * 12cm in order to use the laser focal extensometer.

On four limits of square film, it is designated as straight line A, straight line B, straight line C, straight line D respectively, the subtend limit of straight line A is straight line C, the subtend limit of straight line B is straight line D.Straight line A is to the direction of straight line C, draw 3 parallel lines with per 3 centimeters intervals, be respectively straight line A1, straight line A2, straight line A3, these 3 parallel lines (straight line A1, straight line A2, straight line A3), straight line A and straight line C are amounted in 5 straight lines, on straight line, measure the film thickness of each point respectively according to following steps.At first, be reference point with the end of straight line A to the point of square inboard 1cm, at every 1mm at interval the each point of reference point to the other end of straight line A, the 10cm distance with till measuring from the other end to the point of square inboard 1cm amounts to 101 film thickness.Secondly, use the method identical, measure the thickness of straight line A1, straight line A2, straight line A3 and straight line C each point, on 5 straight lines, record 505 thickness altogether with straight line A.In addition, aforementioned straight line A each straight line till the straight line C is similarly to amount to the mensuration that 505 points carry out thickness of straight line B to 5 straight lines (straight line B, straight line B1, straight line B2, straight line B3 and straight line D) of straight line D.At last, the average mean value that constitutes of thickness that amounts to 1010 points in the square film that will record according to preceding method is as the thickness of film.

In addition, try to achieve the value that the maximum value subduction average film thickness value of thickness is constituted respectively, and the average film thickness value subduction value that minimum value constituted, with bigger numerical in the value of calculating as the thickness tolerance range.

(surface smoothing (μ m))

Surface smoothing is for measuring the concavo-convex of width 15 μ m.In addition, (SEIKO INSTRUMENT corporate system AFM) is measured to be determined as use.Its sags and crests to measuring at width 15 μ m is the point of the central part of 12cm * 12cm square film, and the point that plays the 1cm inboard with each central part on four limits amounts to 5 points, concavo-convex concavo-convex size measurement surface smoothing with maximum point.

(haze value (%))

Haze value, (history is praised the tester corporate system, and HGM-2) at room temperature mensuration constitutes in order to use the haze value tester.

The making of＜CD 〉

Polycarbonate system at diameter 12cm, thickness 1.1mm supports on the basal disc, and (ponding chemical company system, trade(brand)name: 5511) be the duplexer of 20 μ m, on adhesive-film, the stacked above-mentioned film that makes is to make CD again via the stacked adhesive-film of recording layer.

To prepared CD, according to the warpage of following measuring method assessment CD, its result is as described later shown in the table 2.

(warpage of CD)

To prepared CD, be placed on to place in the constant temperature and humidity cabinet of 80 ℃ of temperature, humidity 85% and measure its amount of warpage after 100 hours.This amount is to measure the horizontal plane change distance of the CD end of diameter 12cm with the outdoor scene micro mirror, and change after measured is apart from using trigonometrical function to calculate its angle, and the angle of being tried to achieve is as the numerical value of disc tilt.

(embodiment 2)

In the present embodiment, except that not adding antioxidant and photostabilizer, other all makes film according to embodiment 1 same procedure, re-uses it and makes CD according to embodiment 1 method.It is carried out the various assessments identical with embodiment 1, and its result puts in order as shown in table 2.

(embodiment 3)

In the present embodiment, after making the ethylene-based polymer of 2 kinds respectively, the divinyl based polymer is mixed the resin that is constituted according to specified proportion make film, thereafter, make the CD of suitable film again according to following method.Wherein, except that changing the employed resin of film, other all carries out according to embodiment 1 same steps as and appraisal procedure.Its result puts in order as shown in table 2.

The manufacturing of＜ethylene-based polymer 〉

At first, make ethene polymers (A) according to following steps.In the autoclave of 500mL, drop into the acetone 200g of polymerization solvent, weigh methyl methacrylate (MMA) 38g (33 moles of %), butyl acrylate (BA) 90g (61 moles of %), vinylformic acid (AA) 5g (6 moles of %) subsequently, add in the monomer mixture with the lauroyl peroxide 0.4g of polymerization starter, after making its dissolving, mixture is added in the flask., at room temperature make nitrogen gas stream commensurability 1 hour, after the molten oxygen of depositing is replaced, under nitrogen gas stream, be warming up to 60 ℃ thereafter.Kept 18 hours down synthermal, get the acetone soln of ethylene-based polymer A.The percent polymerization of this moment is more than 98%.Weight-average molecular weight is 255,000.

Secondly, make ethene polymers (B) according to following steps.In the autoclave of 500mL, drop into the acetone 200g of polymerization solvent, weigh methyl methacrylate (MMA) 88.8g (81.6 moles of %), methacrylic acid three ring (5.2.1.0 subsequently ^2,6) last of the ten Heavenly stems-8-base (TCDMA) 37.1g (15.5 moles of %), 2,2,6,6-tetramethyl-piperidyl methacrylic ester 7.1g (2.9 moles of %), add in the monomer mixture with the azobis isobutyronitrile 0.4g of polymerization starter, make its dissolving after, mixture is added in the flask., at room temperature make nitrogen gas stream commensurability 1 hour, after the molten oxygen of depositing is replaced, under nitrogen gas stream, be warming up to 60 ℃ thereafter.Kept 18 hours down synthermal, get the acetone soln of ethylene-based polymer B.The percent polymerization of this moment is more than 98%.Weight-average molecular weight is 75,000.

The making of＜film 〉

The acetone soln of the ethylene-based polymer (A) of gained and the acetone soln of ethylene-based polymer (B) be 5: 5 weight ratio (mol ratio of carboxyl/amido=2.2/1) mix in the ethylene polymer blend that is constituted, aforementioned ethylene polymer blend is added the antioxidant shown in 0.1% the structural formula (35), after it dissolves fully, with this solution coat on sheet glass.Thereafter, 100 ℃ with 10 minutes, 150 ℃ with 15 minutes heat dryings removing solvent, the film of thickness 100 μ m.

(embodiment 4)

In the present embodiment, be that other all makes film and CD according to embodiment 3 same procedure outside the resin making film of blending ratio gained for using ethylene-based polymer (A) shown in the embodiment 3 and ethylene-based polymer (B), changing the two ethene.Particularly, mix the resin that constituted with the acetone soln of ethylene-based polymer (B) with 3: 7 weight ratios for the acetone soln that uses ethylene-based polymer (A).Film and CD are for to carry out various assessments according to embodiment 1 identical content.Its result puts in order as shown in table 2.

(comparative example 1)

In this comparative example, except that the acetone soln that only uses ethylene-based polymer (B) was made film, other all made film and CD according to embodiment 3 same procedure.Carry out the assessment of various characteristics as this film and CD and embodiment 1 are identical, its result puts in order as shown in table 2.

(comparative example 2)

In this comparative example, except that using the material of ethylene-based polymer as film that makes according to following method, other all makes film and CD according to embodiment 1 same procedure.About film and CD then carry out the assessment of various characteristics according to embodiment 1 same procedure.Its result puts in order as shown in table 2.

The manufacturing of＜ethylene-based polymer 〉

In the autoclave of 500mL, drop into the acetone 200g of polymerization solvent, weigh methyl methacrylate (MMA) 92.0g (77.1 moles of %), butyl acrylate (BA) 14.4g (9.4 moles of %), cyclohexyl maleimide 26.6g (13.5 moles of %) subsequently, add in the monomer mixture with the lauroyl peroxide 0.4g of polymerization starter, after making its dissolving, mixture is added in the flask., at room temperature make nitrogen gas stream commensurability 1 hour, after the molten oxygen of depositing is replaced, under nitrogen gas stream, be warming up to 60 ℃ thereafter.Kept 18 hours down synthermal, get the acetone soln of ethylene-based polymer.The percent polymerization of this moment is more than 99%.

(table 2)

Characteristic evaluation		Embodiment 1	Embodiment 2	Embodiment 3	Embodiment 4	Comparative example 1	Comparative example 2
								Film	∑tanδ	2.5	2.5	8.5	5.6	1.3	1.8
Transmittance (%)	89.5	88.5	91.2	91.5	89.7	90.1
							Double refraction (nm)		1.2	1.3	0.1	0.15	1.5	1.3
Pliability	○	○	○	○	×	×
							Thickness (μ m)		80	80	80	80	80	80
Film thickness error (μ m)	1	0.9	0.9	1.2	1.2	1.5
							Surface smoothing (nm)		5	4	5	5	5	5
Haze value (%)	0.4	0.5	0.4	0.5	0.3	0.4
							CD		Amount of warpage	0.15	0.15	0.1	0.2	0.8	1.2

As shown in table 2, comparative example 1 is lower than 2 numerical value with the ∑ tan δ of comparative example 2, and it is high transmission rate, low-birefringence, CD generation warpage person.In addition, the ∑ tan δ of embodiment 1 to embodiment 4 is the numerical value more than 2, and it is high permeability, low birefringence, and the warpage of CD is lower.

(embodiment 5)

In the present embodiment, at first make ethylene-based polymer (acrylic resin), and be shaped to film by ethylene-based polymer, the precursor of the stacked hard coat of coating on this film after being heating and curing, uses this laminate film to make CD.

The manufacturing of＜ethylene-based polymer 〉

At withstand voltage 2.3kg/cm ²In 4 liters of stainless steel autoclave of G, drop into the acetone 1279g of polymerization solvent, weigh methyl methacrylate (MMA) 532g (58.4 moles of %), butyl acrylate (BA) 319g (27.4 moles of %), cyclohexyl maleimide 213g (14.2 moles of %) subsequently, add in the monomer mixture with the lauroyl peroxide 3.2g of polymerization starter, after making its dissolving, mixture is added in the flask., under room temperature (25 ℃) make nitrogen gas stream commensurability 1 hour, after the molten oxygen of depositing is replaced, under nitrogen gas stream, be warming up to 60 ℃ thereafter.Kept 18 hours down synthermal, get the acetone soln of ethylene-based polymer.The percent polymerization of this moment is more than 99%.

The making of＜film 〉

In the acetone soln of formation ethylene-based polymer, ethene polymers is added 0.05% abbreviate AO-50 as and abbreviate the antioxidant of HP-10 as respectively, and abbreviate the photostabilizer of LA-57 as, after it dissolves fully, this solution is used Pi Lanuo film corporate system coating machine, and the PET at the Sima A-4100 of section of substrate layer (Japan twist flax fibers and weave corporate system) is coated with 3m/min speed, with 50 ℃ of dryings 3 minutes, 3 fens master slave modes of 140 ℃ of dryings formed film continuously.The film thickness of this moment is 80 μ m.

The film of gained is used sample as assessing, measure integrating value (∑ tan δ), transmitance, double refraction, pliability and the haze value of thickness, thickness tolerance range, surface smoothing, loss Young's modulus/storage Young's modulus according to the said determination method.Assessment result is organized in the aftermentioned table 3.

＜be coated with firmly (HC) layer formation

15% aqueous solution (with the pure medicine corporate system of light) that adds the tetramethyl-ammonium oxyhydroxide of 3.3 weight % at hard coating precursor (x-12-2206) solids component is adjusted and is applied precursor solution firmly relatively.This solution uses Pi Lanuo film corporate system coating machine, be coated with above-mentioned making on the film, through continuously with 50 ℃ of dryings 3 minutes, 3 fens master slave mode form layers of 150 ℃ of dryings laminate film.The thickness of the laminate film of this moment is 85 μ m.Above-mentioned prepared film thickness is 80 μ m, so the thickness of hard coat is 5 μ m.The pencil hardness and the adherence of hard coat, the thickness, thickness tolerance range, surface smoothing, transmitance, double refraction, pliability, haze value and the scuff resistance that reach laminate film can be measured according to following measuring method, and other method then same as described above is measured.Assessment result is organized in shown in the aftermentioned table 3.

(pencil hardness of hard coat)

To applying after 15% aqueous solution (with the pure medicine corporate system of light) that the precursor solid composition adds the tetramethyl-ammonium oxyhydroxide of 3.3 weight % is coated on glass substrate hard, after 50 ℃/3 minutes, carry out 150 ℃/3 minutes heating immediately, to make hard coat, its pencil hardness is that benchmark is measured according to JIS K5400.

(adherence of hard coat)

In the hard coated face by laminate film, cut 10 in the chessboard hole order of the above degree of depth of 1cm at interval, and moment pull-up behind the adhesive plaster of fitting thereon, remove and cut numerical value that the hole order constituted assessed value as adherence to peel off number with 1mm.

(scuff resistance of laminate film)

The scuff resistance of laminate film, for using abrading device, under loading 250g, with abrasion wheel CSF-1, turnover number 100 is carried out under changeing, and the haze value after the test is the assessed value of rub resistance.

The making of＜CD 〉

Polycarbonate system at diameter 12cm, thickness 1.1mm supports on the basal disc, via the stacked adhesive-film of recording layer (ponding chemical company system, trade(brand)name: 5511) be the duplexer of 20 μ m, again on adhesive-film, be that hard coat is layered in outer stack and makes CD in the mode in the outside with the above-mentioned laminate film that makes.To prepared CD, according to the warpage of following measuring method assessment CD, its result is as described later shown in the table 3.

(embodiment 6)

In the present embodiment, except that not adding antioxidant and photostabilizer, it all makes film according to embodiment 5 same procedure, makes according to embodiment 5 same procedure and uses laminate film and the CD that it constituted.And it is carried out various characteristics according to embodiment 5 same way as assess, its result puts in order as shown in table 3.

(embodiment 7)

In the present embodiment, after making the ethylene-based polymer of 2 kinds respectively, the divinyl based polymer is mixed the resin that is constituted according to specified proportion make film according to following method, thereafter, be coated with stacked hard coating precursor more thereon, after being heating and curing, use this laminate film to make CD.Wherein, except that changing as the employed resin of film, other all carries out according to embodiment 5 same steps as and appraisal procedure.Its result puts in order as shown in table 3.In addition, the film thickness of hard coat is 2 μ m.

The manufacturing of＜ethylene-based polymer 〉

At first, make ethene polymers (A) according to following steps.At withstand voltage 2.3kg/cm ²In four liters of stainless steel autoclave of G, drop into the acetone 1279g of polymerization solvent, weigh methyl methacrylate (MMA) 304g (33 moles of %), butyl acrylate (BA) 720g (61 moles of %), vinylformic acid (AA) 40g (6 moles of %) subsequently, add in the monomer mixture with the lauroyl peroxide 0.4g of polymerization starter, after making its dissolving, mixture is added in the flask., at room temperature make nitrogen gas stream commensurability 1 hour, after the molten oxygen of depositing is replaced, under nitrogen gas stream, be warming up to 60 ℃ thereafter.Kept 18 hours the sub-solution that secures satisfactory grades, the i.e. acetone soln of ethylene-based polymer A down synthermal.The percent polymerization of this moment is more than 98%.Weight-average molecular weight is 255,000.

Secondly, make ethene polymers (B) according to following steps.At withstand voltage 2.3kg/cm ²In four liters of stainless steel autoclave of G, drop into the acetone 1279g of polymerization solvent, weigh methyl methacrylate (MMA) 710g (81.6 moles of %), methacrylic acid three ring (5.2.1.0 subsequently ^2,6) last of the ten Heavenly stems-8-base (TCDMA) 297g (15.5 moles of %), 2,2,6,6-tetramethyl-piperidyl methacrylic ester 57g (2.9 moles of %), add in the monomer mixture with the azobis isobutyronitrile 3.2g of polymerization starter, make its dissolving after, mixture is added in the flask., at room temperature make nitrogen gas stream commensurability 1 hour, after the molten oxygen of depositing is replaced, under nitrogen gas stream, be warming up to 60 ℃ thereafter.Kept 18 hours down synthermal, get the acetone soln of ethylene-based polymer B.The percent polymerization of this moment is more than 98%.Weight-average molecular weight is 75,000.

The making of＜film 〉

The acetone soln of the ethylene-based polymer (A) of gained and the acetone soln of ethylene-based polymer (B) be 5: 5 weight ratio (mol ratio of carboxyl/amino=2.2/1) mix in the ethylene polymer blend that is constituted, aforementioned ethylene polymer blend is added the antioxidant shown in 0.1% the structural formula (35), after it dissolves fully, this solution is used Pi Lanuo film corporate system coating machine, PET at the Sima A-4100 of section of substrate layer (Japan twist flax fibers and weave corporate system), be coated with 3m/min speed, with 50 ℃ of dryings 3 minutes, 3 fens master slave modes of 140 ℃ of dryings formed film continuously.The film thickness of this moment is 100 μ m.

(embodiment 8)

In the present embodiment, remove to use change the resin making film of the mixture ratio of the ethylene-based polymer (A) made according to embodiment 7 and ethylene-based polymer (B), and the thickness that will become euphotic film thickness and hard coat respectively is made as outside 80 μ m and the 5 μ m, and remaining makes film, laminate film and CD according to embodiment 7 same methods.The acetone soln that specifically is to use the acetone soln of ethylene-based polymer (A) and ethylene-based polymer (B) is with the mixed resin of 3: 7 weight ratio.This has been carried out the evaluation of various characteristics similarly to Example 5.Its result puts in order as shown in table 3.

(comparative example 3)

In this comparative example, removes the acetone soln that only uses ethylene-based polymer (B) and make film, and thickness is outside the 80 μ m that other all makes film and CD according to embodiment 7 same procedure.Carry out the assessment of various characteristics as this film and CD and embodiment 5 are identical, its result puts in order as shown in table 3.

(comparative example 4)

Thin-film material removes and uses the ethylene-based polymer that makes according to following method, and the thickness of coat is outside the 0.5 μ m firmly, and other all makes film, laminate film and CD according to embodiment 5 same procedure.It carries out the assessment of various characteristics according to embodiment 5 same procedure.Its result puts in order as shown in table 3.

The manufacturing of＜ethylene-based polymer 〉

At withstand voltage 2.3kg/cm ²In four liters of stainless steel autoclave of G, drop into the acetone 1279g of polymerization solvent, weigh methyl methacrylate (MMA) 736g (77.1 moles of %), butyl acrylate (BA) 115g (9.4 moles of %), cyclohexyl maleimide 213g (13.5 moles of %) subsequently, add in the monomer mixture with the lauroyl peroxide 3.2g of polymerization starter, after making its dissolving, mixture is added in the flask., at room temperature make nitrogen gas stream commensurability 1 hour, after the molten oxygen of depositing is replaced, under nitrogen gas stream, be warming up to 60 ℃ thereafter.Kept 18 hours down synthermal, get the acetone soln of ethylene-based polymer.The percent polymerization of this moment is more than 99%.

(table 3)

Project			Embodiment 5	Embodiment 6	Embodiment 7	Embodiment 8	Comparative example 3	Comparative example 4
									Photic zone	Shape	Thickness (μ m)	80.0	79.8	100.2	80.3	80.5	80.2
Thickness precision (μ m)	±1.0	±1.1	±1.7	±1.1	±1.2	±1.1
							Surface smoothing (nm)	5			4	5	5	6	5
Characteristic	∑tanδ	2.5	2.5	8.5	5.6	1.3										1.8
							405nm transmittance (%)	89.5		88.5	91.2	91.5	89.7	90.1
	Double refraction (nm)	1.2	1.3	0.1	0.15	1.5									1.3
							Pliability	○		○	○	○	×	×
	Haze value (%)	0.4	0.5	0.4	0.5	0.3									0.4
							HC			HC precursor (μ m)	×-12-2206
Pencil hardness	5H
									Laminate film	Shape	HC thickness (μ m)	5.0	5.1	2.1	4.9	1.9	0.5
Thickness (μ m)	85.0	84.9	102.3	85.2	82.4	80.7
							Thickness tolerance range (μ m)	±1.2			±1.3	±1.3	±1.3	±1.2	±1.3
Surface smoothing (nm)	8	7	7	8	7	8
							Characteristic	405nm transmittance (%)			90.5	89.4	92.5	92.2	90.2	90.9
Double refraction (nm)	1.2	1.3	0.1	0.15	1.5	1.3
								Haze value (%)		0.5	0.5	0.5	0.5	0.5	0.5
Pliability	○	○	○	○	×	×
								Adherence		0/100	0/100	0/100	0/100	0/100	0/100
Scuff resistance	1.5	1.6	2.2	1.2	2.3	19.5
								CD		Amount of warpage	0.18	0.19	0.15	0.21	1.0	1.3

As shown in table 3, the ∑ tan δ value of comparative example 3 and comparative example 4 is for to be lower than 2 numerical value, and it is high permeability, low-birefringence, CD generation warpage, and the erasibility of comparative example 4 demonstrates bigger numerical value.In addition, the ∑ tan δ of embodiment 5 to embodiment 8 is the numerical value more than 2, and it is that the warpage of high permeability, low birefringence, CD is lower, and has good scuff resistance.

(embodiment 9)

In the present embodiment, make ethylene-based polymer A and ethylene-based polymer B at first respectively, each ethylene-based polymer of gained is mixed the resin that is constituted make film, re-use this film and make CD.

The manufacturing of＜ethylene-based polymer 〉

(manufacturing of ethene polymers A)

In the autoclave of 500mL, drop into the acetone 200g of polymerization solvent, weigh butyl acrylate (BA) 128g (93.5 moles of %), vinylformic acid (AA) 5g (6.5 moles of %) subsequently, add in the monomer mixture with the lauroyl peroxide 0.4g of polymerization starter, after making its dissolving, mixture is added in the flask., at room temperature make nitrogen gas stream commensurability 1 hour, after the molten oxygen of depositing is replaced, under nitrogen gas stream, be warming up to 60 ℃ thereafter.Kept 18 hours down synthermal, get the acetone soln of ethylene-based polymer A.The percent polymerization of this moment is more than 99%.Weight-average molecular weight is 250,000.Second-order transition temperature is-35 ℃.

In addition, second-order transition temperature (Tg) is measured for using DVA.Determinator is for using UBM corporate system, reyn DVE-4V.Condition determination is to measure modulus in tension under frequency 10.0Hz, 3.0 ℃/min of heat-up rate, and in the gained data, the crest summit of tan δ is Tg.The condition determination of glass transfer point is identical with the following stated.

(manufacturing of ethene polymers B)

In the autoclave of 500mL, drop into the acetone 200g of polymerization solvent, weigh methyl methacrylate (MMA) 88.8g (81.6 moles of %), methacrylic acid three ring (5.2.1.0 subsequently ^2,6) last of the ten Heavenly stems-8-base (TCDMA) 37.1g (15.5 moles of %), 2,2,6,6-tetramethyl-piperidyl methacrylic ester 7.1g (2.9 moles of %), add in the monomer mixture with the azobis isobutyronitrile 0.4g of polymerization starter, make its dissolving after, mixture is added in the flask., at room temperature make nitrogen gas stream commensurability 1 hour, after the molten oxygen of depositing is replaced, under nitrogen gas stream, be warming up to 60 ℃ thereafter.Kept 18 hours down synthermal, get the acetone soln of ethylene-based polymer B.The percent polymerization of this moment is more than 99%.Weight-average molecular weight is 75,000.Second-order transition temperature is 115 ℃.

The making of＜film 〉

Acetone soln at gained ethylene-based polymer A is that 4: 6 weight ratios are mixed with the acetone soln of ethylene-based polymer B, through fully the dissolving after, with this solution coat on sheet glass.Thereafter, 100 ℃ with 10 minutes, 150 ℃ with 15 minutes heat dryings removing solvent, the film of thickness 80 μ m.Constitute film and use sample as assessment, comply with the measuring method identical with the foregoing description 1, assess the integrating value (∑ tan δ), pliability, thickness, transmitance, double refraction of its loss Young's modulus/storage elastic modulus etc.The assessment result arrangement is as shown in table 4.

The making of＜CD 〉

Polycarbonate system at diameter 12cm, thickness 1.1mm supports on the basal disc, via the stacked adhesive-film of recording layer (ponding chemical company system, trade(brand)name: 5511) be the duplexer of 20 μ m, on adhesive-film, make CD again in the stacked mode of the above-mentioned laminate film that makes.To prepared CD, according to the warpage of following measuring method assessment CD, its result is as described later shown in the table 4.

(embodiment 10)

In the present embodiment, be that other all makes film according to embodiment 9 same procedure outside the resin making film of blending ratio gained for using ethylene-based polymer A and the ethylene-based polymer B shown in the embodiment 9, changing the two ethene., use the film of made, make CD according to embodiment 9 same procedure thereafter, and the amount of warpage of assessment CD.In addition, the assessment mode of various characteristics is identical with embodiment 9.

Particularly, for the acetone soln with gained ethylene-based polymer A mixes with 3: 7 weight ratios with the acetone soln of ethylene-based polymer B, through fully the dissolving after, with this solution coat on sheet glass.Thereafter, 100 ℃ with 10 minutes, 150 ℃ with 15 minutes heat dryings removing solvent, the film of thickness 80 μ m with as the assessment sample.

(embodiment 11)

In the present embodiment, for using the ethylene-based polymer A that makes with embodiment 9 same procedure, with according to the prepared ethylene-based polymer B of following formula method, and be that 3: 7 weight ratios are mixed the gained ethylene-based polymer making film, and use this film to make CD with the two ratio.In addition, the assessment mode of various characteristics is identical with embodiment 9.

(manufacturing of ethylene-based polymer B)

In the autoclave of 500mL, drop into the acetone 200g of polymerization solvent, weigh methyl methacrylate (MMA) 86.6g (79.8 moles of %), methacrylic acid three ring (5.2.1.0 subsequently ^2,6) last of the ten Heavenly stems-8-base (TCDMA) 37.0g (15.5 moles of %), diethylamide ethyl-methyl acrylate 9.4g (4.7 moles of %), add in the monomer mixture with the azobis isobutyronitrile 0.4g of polymerization starter, make its dissolving after, mixture is added in the flask., at room temperature make nitrogen gas stream commensurability 1 hour, after the molten oxygen of depositing is replaced, under nitrogen gas stream, be warming up to 60 ℃ thereafter.Kept 18 hours down synthermal, get the acetone soln of ethylene-based polymer B.The percent polymerization of this moment is more than 99%.Weight-average molecular weight is 72,000.Second-order transition temperature is 115 ℃.

(embodiment 12)

In the present embodiment, for embodiment 9 prepared films as photic zone, and on this film the stacked following hard coating precursor of coating, after being heating and curing, use this laminate film to make CD.In addition, the pencil hardness of hard coat and the scuff resistance of laminate film are to measure according to embodiment 5 same procedure, and in addition, the assessment mode of various characteristics is identical with embodiment 9.

(applying precursor firmly)

At withstand voltage 2.3kg/cm ²In 4 liters of stainless steel autoclave of G, drop into butanols (with the pure medicine corporate system of the light) 1200g of solvent, and weigh and add distilled water 80g in stirring behind tetraethoxysilane (chemical company of SHIN-ETSU HANTOTAI system) 32g, Union carbide A-162 (chemical company of SHIN-ETSU HANTOTAI system) 187.6g, dimethyldiethoxysilane (chemical company of the SHIN-ETSU HANTOTAI system) 180.4g., add 10% potassium hydroxide solution 0.04g, in stirring, be warming up to 60 ℃ thereafter.After under the maintenance uniform temp 2 hours, get and apply precursor firmly.It is 20% that the solid of this moment becomes deal.

(making of hard coat)

The hard solids component that applies precursor of constitute is being added 15% aqueous solution (with the pure medicine corporate system of light) of the tetramethyl-ammonium oxyhydroxide of 3.3 weight % to modulate hard coating precursor solution.This solution is used Pi Lanuo film corporate system coating machine, on previous embodiment 1 prepared film, is coated with, through continuously with 50 ℃ of dryings 3 minutes, 3 fens master slave mode form layers of 150 ℃ of dryings laminate film.The thickness of laminate film of this moment is 83 μ m, and when deducting the difference that euphotic thickness constitutes, the thickness of learning hard coat is 3 μ m.

(comparative example 5)

In this comparative example, except that the acetone soln that only uses ethylene-based polymer (B) was made film, other all carried out according to embodiment 11 same procedure.In addition, various characteristics be evaluated as identical with embodiment 9.

(comparative example 6)

In this comparative example, be the ethylene-based polymer A that uses method shown below to make, make film and CD with the ethylene-based polymer B that makes according to embodiment 9 same procedure.

(manufacturing of ethylene-based polymer A)

In the autoclave of 500mL, drop into the acetone 200g of polymerization solvent, weigh butyl acrylate (BA) 133g (100 moles of %) subsequently, add in the monomer mixture with the lauroyl peroxide 0.4g of polymerization starter, after making its dissolving, mixture is added in the flask., at room temperature make nitrogen circulation 1 hour, after the molten oxygen of depositing is replaced, under nitrogen gas stream, be warming up to 60 ℃ thereafter.Kept 18 hours down synthermal, get the acetone soln of ethylene-based polymer A.The percent polymerization of this moment is more than 99%.Weight-average molecular weight is 260,000.Second-order transition temperature is-40 ℃.

Acetone soln with gained ethylene-based polymer A, acetone soln with ethylene-based polymer B, ratio with acetone soln is after 4: 6 weight ratios are mixed, dissolved fully, with this solution coat on glass substrate, through continuously with 100 ℃, 10 minutes, 150 ℃, 15 minutes drying treatment though remove solvent, fail to form film.Therefore just win the mensuration transmitance.

The foregoing description 9 to embodiment 12, it is as shown in table 4 that comparative example 5 and the prepared film of comparative example 6 methods and CD carry out the characteristic evaluation result.In addition, carboxyl similarly is documented in the table 4 with the molar ratio of amino.In addition, carboxyl and amino molar ratio when necessarily mixing than ratio of mixture for complying with at ethylene-based polymer A and ethylene-based polymer B, calculate existing carboxyl among a certain amount of ethylene-based polymer A separately, behind existing amino among a certain amount of ethylene-based polymer B, try to achieve its ratio again.

(table 4)

Characteristic evaluation		Embodiment 9	Embodiment 10	Embodiment 11	Embodiment 12	Comparative example 5	Comparative example 6
								The photic zone film	The mol ratio of carboxyl/amino	1.47	0.94	0.58	1.47	-	0
∑tanδ	8.5	2.5	3.2	8.5	1.3	Can't measure
							Pliability		○	○	○	○	×	Can't measure
Transmittance (%)	91.2	91.2	90.7	91.2	91.2	55
							Double refraction (nm)		0.1	0.2	0.15	0.1	1.5	Can't measure
Laminate film	HC layer pencil hardness	-	-	-	6H	-									-
							The HC layer thickness	-	-	-	3.0	-	-
	Pliability	-	-	-	○	-								-
							Transmittance (%)	-	-	-	92.2	-	-
	Double refraction (nm)	-	-	-	0.1	-								-
							Scuff resistance	-	-	-	1.5	-	-
	CD	Amount of warpage	0.1	0.15	0.12	0.15								1.2	Can't measure

As shown in table 4, the carboxyl of comparative example 6 is 0 with the molar ratio of amino, does not find that film forms energy, when only measuring transmittance, demonstrates 5.5% low value.In addition, in the comparative example 5, ∑ tan δ demonstrates 1.3 low value, though its transmittance is good, the pliability and the double refraction of film are higher, and CD has warping phenomenon.At this, among the embodiment 9 to embodiment 11, because of its ∑ tan δ is more than 2, so have concurrently outside high permeability and the low-birefringence, film also demonstrates good pliability relatively, and in addition, the warping phenomenon of CD also reduces to some extent.In addition, among the embodiment 12, because of being formed with hard coat on the film so have good scuff resistance.

(embodiment 13)

In the present embodiment, the ethylene-based polymer A that contains the following proton property supplied with atomic group for manufacturing, with the ethene silicon polymer (acrylic resin) of the ethylene-based polymer B that contains proton acceptability atomic group, and form film, re-use this film and make CD by ethylene-based polymer.

The manufacturing of＜ethylene-based polymer 〉

(containing the manufacturing of the ethylene-based polymer A of the proton property supplied with atomic group)

In the autoclave of 500mL, drop into the acetone 200g of polymerization solvent, weigh methacrylic acid three ring (5.2.1.0 subsequently ^2,6) last of the ten Heavenly stems-8-base (TCDMA) 56.1g (29 moles of %), butyl acrylate (BA) 73.1g (65 moles of %), vinylformic acid (AA) 3.8g (6 moles of %), add in the monomer mixture with the lauroyl peroxide 0.4g of polymerization starter, after making its dissolving, mixture is added in the flask., under room temperature (25 ℃) make nitrogen gas stream commensurability 1 hour, after the molten oxygen of depositing is replaced, under nitrogen gas stream, be warming up to 60 ℃ thereafter.Kept 18 hours down synthermal, must contain the acetone soln of the ethylene-based polymer A of the proton property supplied with atomic group.The percent polymerization of this moment is more than 98%.

(containing the manufacturing of the ethylene-based polymer B of proton acceptability atomic group)

In the autoclave of 500mL, drop into the acetone 200g of polymerization solvent, weigh methyl methacrylate (MMA) 88.8g (81.6 moles of %), methacrylic acid three ring (5.2.1.0 subsequently ^2,6) last of the ten Heavenly stems-8-base (TCDMA) 37.1g (15.5 moles of %), 2,2,6,6-tetramethyl-piperidyl methacrylic ester 7.1g (2.9 moles of %), add in the monomer mixture with the azobis isobutyronitrile 0.4g of polymerization starter, make its dissolving after, mixture is added in the flask., under room temperature (25 ℃) make nitrogen gas stream commensurability 1 hour, after the molten oxygen of depositing is replaced, under nitrogen gas stream, be warming up to 60 ℃ thereafter.Kept 18 hours down synthermal, get the acetone soln of ethylene-based polymer B.The percent polymerization of this moment is more than 98%.

The manufacturing of＜photic zone film 〉

With gained contain proton supply with the property atomic group ethylene-based polymer A acetone soln and the ethylene-based polymer B that contains proton acceptability atomic group acetone soln with 4: 6 weight ratios mixed ethylene polymer blend.Thereafter, ethylene polymer blend is added 0.1% abbreviate A0-50 as and abbreviate the antioxidant of HP-10 as respectively, after it dissolves fully, with this solution coat on sheet glass.Thereafter, at 100 ℃ of following heat dryings after 10 minutes, again 150 ℃ of following heat dryings 15 minutes removing solvent, the photic zone film of the about 100 μ m of thickness.Prepared film as the assessment sample, according to following measuring method, is measured thermal expansion amount, thermal expansion ratio, and measured transmittance, double refraction, thickness, thickness tolerance range etc. respectively according to the foregoing description 1 same measured method.Assessment result is organized in the aftermentioned table 5.

(thermal expansion amount, thermal expansion ratio)

Will be by forming euphotic each material as the evaluation test sheet, make size (film of 4mm * 20mm), and the thermal expansion amount of single shaft direction when measuring temperature and rising to 80 ℃ by 30 ℃.The mensuration mode is for using company of Seiko company (Seiko Instruments) to SSC/5200, and condition determination is 2 ℃/min of heat-up rate, and mode determination is a stretch mode.In addition, make that (the evaluation test sheet of 4mm * 20mm) similarly carries out the mensuration of thermal expansion amount by the size of the formed support basal disc of polycarbonate.The measuring method of thermal expansion amount, for length direction central part in the test film of the above-mentioned size under 30 ℃ stays the 10mm gap, and in its both sides with iron clip gripping, with it according to heating up under the said determination condition, be determined at 80 ℃ time institute's expansible length numerical value be swell increment, it is with μ m unit representation.To at euphotic film of being measured and the thermal expansion amount that supports basal disc, calculate the thermal expansion ratio of the film of euphotic relatively support basal disc.

The making of＜CD 〉

Support on the basal disc in the polycarbonate system of diameter 12cm, stacked adhesive-film (ponding chemical company system, trade(brand)name: 5511), again on adhesive-film, with above-mentioned prepared photic zone pellicular cascade to make CD.Try to achieve adhesive coating and euphotic refringence according to following assay method subsequently, at prepared CD, assess the warpage of CD according to embodiment 1 same measured method, its result is as described later shown in the table 5.

(refringence)

Use the A Bai refractometer to measure the specific refractory power of photic zone, adhesive coating respectively, and ask for its difference.

(embodiment 14)

In the present embodiment, for using and prepared ethylene-based polymer A of embodiment 13 same procedure and ethylene-based polymer B, except that the ratio of mixture of the ethylene-based polymer that changes the two, other all makes the photic zone film according to embodiment 13 same procedure., use prepared film, make CD according to embodiment 13 same steps as thereafter.To at photic zone and CD, carry out the assessment of various characteristics as identical with embodiment 13, its result is as shown in table 5.

For above-mentioned ratio of mixture, particularly, for the acetone soln with the ethylene-based polymer A of gained mixes with 3: 7 weight ratios with the acetone soln of ethylene-based polymer B, thereafter after dissolving fully, with this solution coat on sheet glass.Thereafter, at 100 ℃ of following heat dryings after 10 minutes, again 150 ℃ of following heat dryings 15 minutes removing solvent, the film of the about 100 μ m of thickness, and use it as the assessment sample.

(embodiment 15)

In the present embodiment, remove use and the ethylene-based polymer of 2 kinds is mixed, and outside the prepared photic zone film of a kind of independent ethylene-based polymer according to method manufacturing shown below, other all makes CD according to embodiment 13 same procedure.To photic zone film and CD, carry out the assessment of various characteristics according to embodiment 13 same procedure, its result is as shown in table 5.

The manufacturing of＜ethylene-based polymer 〉

Weigh methyl methacrylate (MMA) 98g (99 moles of %), EDMA ethylene dimethacrylate (EDMA) 2g (1 mole of %); the lauroyl superoxide 0.3g of polymerization starter adds in the monomer mixture; after making its dissolving; under room temperature (25 ℃), made the nitrogen gas stream commensurability 1 hour; after molten oxygen replacement of depositing, it is between the stainless steel plate of 100 μ m that this mixture is enclosed gap.Place it in 60 ℃ the thermostatic bath about 18 hours to carry out polyreaction.The percent polymerization of this moment is more than 99%.This stainless steel plate is retracted, get the film of thickness 100 μ m.

(embodiment 16)

In the present embodiment, for using and prepared ethylene-based polymer A of embodiment 13 same procedure and ethylene-based polymer B, except that the ratio of mixture of the ethylene-based polymer that changes the two, other all makes film according to embodiment 13 same procedure., use prepared film, make CD according to embodiment 13 same steps as thereafter.To at photic zone film and CD, carry out the various characteristics assessment identical with embodiment 13, its result is as shown in table 5.

For above-mentioned ratio of mixture, particularly, by with the acetone soln of formation ethylene-based polymer A mix with 5: 5 weight ratios with the acetone soln of ethylene-based polymer B, thereafter after dissolving fully, with this solution coat on sheet glass.Thereafter, at 100 ℃ of following heat dryings after 10 minutes, again 150 ℃ of following heat dryings 15 minutes removing solvent, the photic zone film of the about 100 μ m of thickness, and use it as the assessment sample.

(embodiment 17)

In the present embodiment, for using and prepared ethylene-based polymer A of embodiment 13 same procedure and ethylene-based polymer B, except that the ratio of mixture of the ethylene-based polymer that changes the two, other all makes film according to embodiment 13 same procedure., use prepared film, make CD according to embodiment 13 same steps as thereafter.To at photic zone film and CD, carry out the assessment of various characteristics as identical with embodiment 13, its result is as shown in table 5.

For above-mentioned ratio of mixture, particularly, for the acetone soln with the ethylene-based polymer A of gained mixes with 2: 8 weight ratios with the acetone soln of ethylene-based polymer B, thereafter after dissolving fully, with this solution coat on sheet glass.Thereafter, at 100 ℃ of following heat dryings after 10 minutes, again 150 ℃ of following heat dryings 15 minutes removing solvent, the photic zone film of the about 100 μ m of thickness, and use it as the assessment sample.

(comparative example 7)

In this comparative example, except that the ethylene-based polymer A that contains the proton property supplied with atomic group complied with following method manufacturing, other all made photic zone film and CD according to example example 13 same procedure.Then according to carrying out the various characteristics assessment with embodiment 13 same procedure, its result is as shown in table 5 for photic zone film and CD.

(the ethylene-based polymer A that contains the proton property supplied with atomic group)

In the autoclave of 500mL, drop into the acetone 200g of polymerization solvent, weigh methacrylic acid three ring (5.2.1.0 subsequently ^2,6) last of the ten Heavenly stems-8-base (TCDMA) 58.0g (31 moles of %), butyl acrylate (BA) 75.0g (69 moles of %), add in the monomer mixture with the lauroyl superoxide 0.4g of polymerization starter, make its dissolving after, mixture is added in the flask., under room temperature (25 ℃) make nitrogen gas stream commensurability 1 hour, after the molten oxygen of depositing is replaced, under nitrogen gas stream, be warming up to 60 ℃ thereafter.Kept 18 hours down synthermal, must contain the acetone soln of the ethylene-based polymer A of the proton property supplied with atomic group.The percent polymerization of this moment is more than 99%.

(comparative example 8)

In this comparative example, do not remove 2 kind ethylene-based polymers are mixed, and use outside the a kind of photic zone film that independent ethylene-based polymer constituted that makes according to following method, other all makes CD according to embodiment 13 same procedure.In addition, about photic zone and CD, carry out the assessment of various characteristics as then identical with embodiment 13, its result is as shown in table 5.

The manufacturing of＜ethylene-based polymer 〉

In the autoclave of 500mL; drop into the acetone 200g of polymerization solvent; weigh methyl methacrylate (MMA) 76.2g (65 moles of %), butyl acrylate (BA) 37.5g (25 moles of %), cyclohexyl maleimide 19.2g (10 moles of %) subsequently; add in the monomer mixture with the lauroyl superoxide 0.4g of polymerization starter; after making its dissolving, mixture is added in the flask., at room temperature make nitrogen gas stream commensurability 1 hour, after the molten oxygen of depositing is replaced, under nitrogen gas stream, be warming up to 60 ℃ thereafter.Kept 18 hours down synthermal, get the acetone soln of ethylene-based polymer.The percent polymerization of this moment is more than 99%.

The manufacturing of＜film 〉

With above-mentioned solution coat on sheet glass, at 100 ℃ of following heat dryings after 10 minutes, again 150 ℃ of following heat dryings 15 minutes removing solvent, the photic zone film of the about 100 μ m of thickness, with as the assessment sample.

(table 5)

Project				Embodiment	13	Embodiment 14	Embodiment 15	Embodiment 16	Embodiment 17	Comparative example 7	Comparative example 8
												Support basal disc		The heat swollen amount of rising (μ m)		0.41
Thickness (mm)		1.1
									Photic zone	Shape	Thickness (μ m)			100.2	100.5	100.1	100.3	99.8	101.0	100.6
Thickness tolerance range (μ m)		±1.8	±1.8	±1.7	±1.6	±2.0	±1.9	±1.8
											Characteristic	The heat swollen amount of rising (μ m)		0.42	0.45	0.38	0.50	0.33	Can't measure	0.57
Molar ratio (carboxyl/amino)		1.11	0.72	-	1.67	0.42	0	-
										405nm transmittance (%)		91.2	91.5	91.6	91.3	91.5	5.6	91.5
Double refraction (nm)		0.10	0.15	1.20	0.04	1.11	Can't measure	0.15
										Heat is swollen to rise than (supporting basal disc/photic zone)				0.98	0.91	1.08	0.82	1.24	-	0.72
The refringence of photic zone and adhesive linkage				0.05	0.04	0.05	0.05	0.05	Can't measure												0.04
										CD			Amount of warpage	0.10	0.20	0.15	0.25	0.24	Can't measure	1.2

As shown in table 5, the euphotic acrylic polymer of the formation of comparative example 7, do not find film form can, and fail to record thermal expansion amount, in addition, in the comparative example 8, support basal disc to euphotic thermal expansion than the low value that is 0.72, and demonstrate high amount of warpage.With respect to this, among the embodiment 13 to embodiment 17, because of its thermal expansion amount than the scope that is 0.75 to 1.25, so can reduce the amount of warpage of CD.

(embodiment 18)

In the present embodiment, the ethylene-based polymer A that contains the following proton property supplied with atomic group for manufacturing, ethene silicon polymer (acrylic resin) with the ethylene-based polymer B of proton acceptability atomic group, and form film by ethylene-based polymer, on this film, be coated with stacked hard coating precursor subsequently again, after being heating and curing, use this laminate film to make CD.

The manufacturing of＜ethylene-based polymer 〉

(containing the manufacturing of the ethylene-based polymer A of the proton property supplied with atomic group)

At withstand voltage 2.3kg/cm ²In 4 liters of stainless steel autoclave of G, drop into the acetone 1279g of polymerization solvent, weigh methacrylic acid three ring (5.2.1.0 subsequently ^2,6) last of the ten Heavenly stems-8-base (TCDMA) 449g (29 moles of %), butyl acrylate (BA) 585g (65 moles of %), vinylformic acid (AA) 30g (6 moles of %), add in the monomer mixture with the lauroyl peroxide 3.2g of polymerization starter, after making its dissolving, mixture is added in the flask., under room temperature (25 ℃) make nitrogen gas stream commensurability 1 hour, after the molten oxygen of depositing is replaced, under nitrogen gas stream, be warming up to 60 ℃ thereafter.Kept 18 hours down synthermal, must contain the acetone soln of the ethylene-based polymer A of the proton property supplied with atomic group.The percent polymerization of this moment is more than 98%.

(containing the manufacturing of the ethylene-based polymer B of proton acceptability atomic group)

At withstand voltage 2.3kg/cm ²In 4 liters of stainless steel autoclave of G, drop into the acetone 1279g of polymerization solvent, weigh methyl methacrylate (MMA) 710g (81.6 moles of %), methacrylic acid three ring (5.2.1.0 subsequently ^2,6) last of the ten Heavenly stems-8-base (TCDMA) 297g (15.5 moles of %), 2,2,6,6-tetramethyl-piperidyl methacrylic ester 57g (2.9 moles of %), add in the monomer mixture with the azobis isobutyronitrile 3.2g of polymerization starter, make its dissolving after, mixture is added in the flask., under room temperature (25 ℃) make nitrogen gas stream commensurability 1 hour, after the molten oxygen of depositing is replaced, under nitrogen gas stream, be warming up to 60 ℃ thereafter.Kept 18 hours down synthermal, get the acetone soln of ethylene-based polymer B.The percent polymerization of this moment is more than 98%.

The manufacturing of＜photic zone film 〉

With gained contain proton supply with the property atomic group ethylene-based polymer A acetone soln and the ethylene-based polymer B that contains proton acceptability atomic group acetone soln with 4: 6 weight ratios mixed ethylene polymer blend.Thereafter, add 0.1% abbreviate AO-50 as and abbreviate the antioxidant of HP-10 as respectively with relative ethylene polymer blend, after it dissolves fully, this solution is used Pi Lanuo film corporate system coating machine, PET at the Sima A-4100 of section of substrate layer (Japan twist flax fibers and weave corporate system), with 3m/min speed coating, with 50 ℃ of dryings 3 minutes, 3 fens master slave modes of 140 ℃ of dryings formed film continuously.The film thickness of this moment is 100 μ m.

The film of gained is used sample as assessing, comply with thermal expansion amount, thermal expansion ratio that assay method same as described above is tried to achieve the photic zone film of present embodiment, and measure transmitance, double refraction, thickness, thickness tolerance range etc. according to embodiment 1 same measured method.Assessment result is organized in the aftermentioned table 6.

The manufacturing of＜laminate film 〉

Hard coating precursor (x-12-2206) solids component is added 15% aqueous solution (with the pure medicine corporate system of light) of the tetramethyl-ammonium oxyhydroxide of 3.3 weight % to modulate hard coating precursor solution.This solution uses Pi Lanuo film corporate system coating machine, on the photic zone film, be coated with, through continuously with 50 ℃ of dryings 3 minutes, 3 fens master slave mode form layers of 150 ℃ of dryings laminate film.The thickness of the laminate film of this moment is 105 μ m, and wherein the thickness of photic zone film is 100 μ m, so the thickness of hard coat is 5 μ m.The thickness of the laminate film of present embodiment, thickness tolerance range, transmitance, double refraction etc. are all measured according to embodiment 1 same procedure, and the pencil hardness of the hard coat of laminate film and adherence are then measured respectively according to embodiment 5 same procedure.Assessment result is organized in shown in the aftermentioned table 6.

The making of＜CD 〉

Support on the basal disc in the polycarbonate system of diameter 12cm, stacked adhesive-film (ponding chemical company system, trade(brand)name: 5511), again on adhesive-film, with above-mentioned prepared photic zone pellicular cascade to make CD.The amount of warpage of adhesive coating and euphotic refringence, obtained CD etc. are according to the identical measuring method of embodiment 13, and its scuff resistance is measured according to following measuring method.Its result is as described later shown in the table 6.

(scuff resistance of CD)

The scuff resistance of CD, for using abrading device, under loading 250g, with abrasion wheel CSF-1, turnover number 100 is carried out under changeing, and the haze value after the test is the assessed value of rub resistance.

Haze value (%), (history is praised the tester corporate system, HGM-2) at room temperature measures gained in order to use the haze value tester.

(embodiment 19)

In the present embodiment, for using and prepared ethylene-based polymer A of embodiment 18 same procedure and ethylene-based polymer B, except that the ratio of mixture of the ethylene-based polymer that changes the two, other all makes the photic zone film according to embodiment 13 same procedure., on prepared photic zone film, according to embodiment 18 same steps as form hard coat, making laminate film, and use it to make CD thereafter.

In the above-mentioned ratio of mixture, particularly, for the acetone soln with the ethylene-based polymer A of gained mixes with 3: 7 weight ratios with the acetone soln of ethylene-based polymer B, thereafter after dissolving fully, this solution is used Pi Lanuo film corporate system coating machine, and the PET at the Sima A-4100 of section of substrate layer (Japan twist flax fibers and weave corporate system) is coated with 3m/min speed, with 50 ℃ of dryings 3 minutes, 3 fens master slave modes of 140 ℃ of dryings formed film continuously.The film thickness of this moment is 100 μ m.

For photic zone film, laminate film and the CD of present embodiment, carry out the assessment of various characteristics according to embodiment 18 same procedure, its result is as shown in table 6.

(embodiment 20)

In the present embodiment, removing use does not mix the ethylene-based polymer of 2 kinds, and comply with the prepared photic zone film of a kind of independent ethylene-based polymer that method shown below is made, outside the laminate film that makes according to following method, other all makes CD according to embodiment 18 same procedure.Photic zone film, laminate film and the CD of present embodiment carry out the assessment of various characteristics according to embodiment 18 same procedure, and its result is as shown in table 6.

The manufacturing of＜ethylene-based polymer 〉

Weigh methyl methacrylate (MMA) 98g (99 moles of %), EDMA ethylene dimethacrylate (EDMA) 2g (1 mole of %); the lauroyl superoxide 0.3g of polymerization starter adds in the monomer mixture; after making its dissolving; under room temperature (25 ℃), made the nitrogen gas stream commensurability 1 hour; after molten oxygen replacement of depositing, it is between the stainless steel plate of 100 μ m that this mixture is enclosed gap.Place it in 60 ℃ the thermostatic bath about 18 hours to carry out polyreaction.The percent polymerization of this moment is more than 99%.This stainless steel plate is retracted, get the film of thickness 100 μ m.

The manufacturing of＜laminate film 〉

To adding 15% aqueous solution (with the pure medicine corporate system of light) of the tetramethyl-ammonium oxyhydroxide of 3.3 weight % to modulate hard coating precursor solution at hard precursor (x-12-2206) solids component that applies.This solution uses coating machine to be coated on the photic zone, with 50 ℃/10 minutes, after the heating in 150 ℃/5 minutes, gets laminate film through continuously.The thickness of the hard coat of this moment is about 2 μ m.

(embodiment 21)

In the present embodiment, for using and prepared ethylene-based polymer A of embodiment 18 same procedure and ethylene-based polymer B, except that the ratio of mixture of the ethylene-based polymer that changes the two, other all makes the photic zone film according to embodiment 13 same procedure., on prepared photic zone film, according to embodiment 18 same steps as make hard coat, get laminate film thereafter.The thickness of hard coat is about 2 μ m.According to embodiment 18 same procedure make CD thereafter.

In the above-mentioned ratio of mixture, particularly, for the acetone soln with the ethylene-based polymer A of gained mixes with 5: 5 weight ratios with the acetone soln of ethylene-based polymer B, thereafter after dissolving fully, this solution is used Pi Lanuo film corporate system coating machine, and the PET at the Sima A-4100 of section of substrate layer (Japan twist flax fibers and weave corporate system) is coated with 3m/min speed, with 50 ℃ of dryings 3 minutes, 3 fens master slave modes of 140 ℃ of dryings formed the photic zone film continuously.The film thickness of this moment is 100 μ m.

Photic zone film, laminate film and the CD of present embodiment carry out the various characteristics assessment identical with embodiment 18, and its result is as shown in table 6.

(embodiment 22)

In the present embodiment, for using and prepared ethylene-based polymer A of embodiment 18 same procedure and ethylene-based polymer B, except that the ratio of mixture of the ethylene-based polymer that changes the two, other all makes the photic zone film according to embodiment 13 same procedure., on prepared photic zone film, according to embodiment 18 same steps as make hard coat, get laminate film thereafter.The thickness of hard coat is about 2 μ m.According to embodiment 18 same procedure make CD thereafter.

In the above-mentioned ratio of mixture, particularly, for the acetone soln with the ethylene-based polymer A of gained mixes with 2: 8 weight ratios with the acetone soln of ethylene-based polymer B, thereafter after dissolving fully, this solution is used Pi Lanuo film corporate system coating machine, and the PET at the Sima A-4100 of section of substrate layer (Japan twist flax fibers and weave corporate system) is coated with 3m/min speed, with 50 ℃ of dryings 3 minutes, 3 fens master slave modes of 140 ℃ of dryings formed photic zone continuously.The euphotic thickness of this moment is 100 μ m.

Photic zone film, laminate film and the CD of present embodiment carry out the various characteristics assessment identical with embodiment 18, and its result is as shown in table 6.

(comparative example 9)

In this comparative example, remove and to contain ethylene-based polymer A that proton supplies with the property atomic group according to following method manufacturing, and do not form beyond the hard coat, other all makes photic zone film and CD according to example example 18 same procedure.Then according to carrying out the various characteristics assessment with embodiment 18 same procedure, its result is as shown in table 6 for the photic zone film of present embodiment and CD.

(the ethylene-based polymer A that contains the proton property supplied with atomic group)

At withstand voltage 2.3kg/cm ²In 4 liters of stainless steel autoclave of G, drop into the acetone 1279g of polymerization solvent, weigh methacrylic acid three ring (5.2.1.0 subsequently ^2,6) last of the ten Heavenly stems-8-base (TCDMA) 464g (31 moles of %), butyl acrylate (BA) 600g (69 moles of %), add in the monomer mixture with the lauroyl superoxide 3.2g of polymerization starter, make its dissolving after, mixture is added in the flask., under room temperature (25 ℃) make nitrogen gas stream commensurability 1 hour, after the molten oxygen of depositing is replaced, under nitrogen gas stream, be warming up to 60 ℃ thereafter.Kept 18 hours down synthermal, must contain the acetone soln of the ethylene-based polymer A of the proton property supplied with atomic group.The percent polymerization of this moment is more than 99%.

(comparative example 10)

In this comparative example, remove and 2 kind ethylene-based polymers are not mixed, and use the a kind of photic zone film that independent ethylene-based polymer constituted that makes according to following method, and the thickness that makes the hard coat of laminate film is beyond about 0.5 μ m, other all makes CD according to embodiment 18 same procedure.In addition, then according to carrying out the various characteristics assessment with embodiment 18 same procedure, its result is as shown in table 6 for photic zone film, laminate film and the CD of this comparative example.

The manufacturing of＜ethylene-based polymer 〉

At withstand voltage 2.3kg/cm ²In 4 liters of stainless steel autoclave of G; drop into the acetone 1279g of polymerization solvent; weigh methyl methacrylate (MMA) 610g (65 moles of %), butyl acrylate (BA) 300g (25 moles of %), cyclohexyl maleimide 154g (10 moles of %) subsequently; add in the monomer mixture with the lauroyl superoxide 3.2g of polymerization starter; after making its dissolving, mixture is added in the flask., at room temperature make nitrogen gas stream commensurability 1 hour, after the molten oxygen of depositing is replaced, under nitrogen gas stream, be warming up to 60 ℃ thereafter.Kept 18 hours down synthermal, get the acetone soln of ethylene-based polymer.The percent polymerization of this moment is more than 99%.

The manufacturing of＜film 〉

With above-mentioned solution coat on sheet glass, at 100 ℃ of following heat dryings after 10 minutes, again 150 ℃ of following heat dryings 15 minutes removing solvent, the photic zone film of the about 100 μ m of thickness, with as the assessment sample.

(table 6)

Project			Embodiment 18	Embodiment 19	Embodiment 20	Embodiment 21	Embodiment 22	Comparative example 9		Comparative example 10
											Support basal disc		The heat swollen amount of rising (μ m)	0.41
Thickness (mm)	1.1
									Photic zone	Shape			Thickness (μ m)	100.2	100.5	100.1	100.3	99.8	101.0	100.6
Thickness tolerance range (μ m)	±1.8	±1.8	±1.7	±1.6	±2.0	±1.9	±1.8
											Characteristic	The heat swollen amount of rising (μ m)	0.42	0.45	0.38	0.50	0.33	Can't measure	0.57
Molar ratio (carboxyl/amido)	1.11	0.72		1.67	0.42	0	-
										405nm transmittance (%)		91.2	91.5	91.6	91.3	91.5	5.6	91.5
Double refraction (nm)	0.10	0.15	1.20	0.04	1.11	Can't measure	0.15
										Heat is swollen to rise than (supporting basal disc/photic zone)			0.98	0.91	1.08	0.82	1.24		0.72
The refringence of photic zone and adhesive linkage			0.05	0.04	0.05	0.05	0.05	Can't measure	0.04
											Hard coat		The hard precursor that applies	×-12-2206					Do not have	×-12-2206
Pencil hardness	5H					-	5H
									Laminate film	Shape			HC thickness (μ m)	5.0	5.1	2.1	2.2	2.1	-	0.5
Thickness (μ m)	105.2	105.6	102.3	102.5	101.9	-	101.1
											Thickness tolerance range (μ m)	±2.0	±2.1	±1.9	±1.8	±2.3	-	±1.9
Characteristic	405nm transmittance (%)	91.8	92.0	91.9	92.0	91.9	-	91.7
										Double refraction (nm)	0.10	0.15	1.20	0.04	1.11	Can't measure	0.15
	Adherence	0/100	0/100	0/100	0/100	0/100	-	0/100
										CD		Scuff resistance	1.5	1.6	2.1	1.9	2.4	45.2	21.5
Amount of warpage	0.10	0.20	0.15	0.25	0.24	Can't measure	1.2

As shown in table 6, the euphotic acrylic polymer of the formation of comparative example 9, do not find film form can, and fail to record thermal expansion amount, in addition, in the comparative example 10, support basal disc to euphotic thermal expansion than the low value that is 0.72, and demonstrate high amount of warpage.Relatively at this, among the embodiment 18 to embodiment 22, because of its thermal expansion amount than the scope that is 0.75 to 1.25, so can reduce the amount of warpage of CD.

In addition, each scuff resistance of thin situation is lower etc. excessively with respect to the hard coat of the situation of the not stacked hard coat of comparative example 9, comparative example 10, and the scuff resistance of embodiment 18 to embodiment 22 has improved.

(embodiment 23)

In the present embodiment, after making its drying after being coated on substrate layer behind the interpolation silicone resin in the polymkeric substance that mixes gained in following polymer A with polymer B, to make the test film.

The manufacturing of＜polymer A 〉

At withstand voltage 2.3kg/cm ²In 4 liters of stainless steel autoclave of G, drop into the acetone 1252g of polymerization solvent, weigh butyl acrylate (BA subsequently, with the pure medicine corporate system of light) 1035g, vinylformic acid (the pure medicine system of AA and light) 46g add wherein, thereafter, at room temperature made the nitrogen gas stream commensurability 1 hour, after the molten oxygen deposited replaced, with pressurization in the autoclave, airtight after, be warming up to 60 ℃.Thereafter again with the lauroyl superoxide (LPO of polymerization starter; Nof Corp.'s system) 3.1g, t-butylperoxy 2-ethylhexanoate (PBO; Nof Corp.'s system) 1.1g, α-Jia Jibenyixierjuwu (AMSD; five wells change into corporate system) 0.03g is dissolved in the 40g acetone; at room temperature made the nitrogen gas stream commensurability 10 minutes; the molten oxygen of depositing is replaced the mixing solutions constituted and is added on wherein, about 14 hours thereafter in synthermal maintenance.Subsequently, be warming up to 90 ℃ again after after keeping 6 hours under this temperature, sub-solution secures satisfactory grades.The percent polymerization of this moment is more than 98%, and weight-average molecular weight is 250,000.

The manufacturing of＜polymer B 〉

At withstand voltage 2.3kg/cm ²In 4 liters of stainless steel autoclave of G, drop into the acetone 1500g of polymerization solvent, weigh methyl methacrylate (the pure medicine corporate system of MMA and light) 749g, methacrylic acid three ring (5.2.1.0 subsequently ^2,6) last of the ten Heavenly stems-8-base (TCDMA, Hitachi changes into corporate system) 103g, butyl acrylate (BA) 69g, 2,2,6,6,-pentamethyl--4-piperidino methyl acrylate (LA-87, Hitachi changes into corporate system) 79g adds wherein, thereafter, at room temperature made the nitrogen gas stream commensurability 1 hour, after the molten oxygen deposited replaced, with pressurization in the autoclave, airtight after, be warming up to 65 ℃.Thereafter again with the azobis isobutyronitrile (AIBN of polymerization starter, with the pure medicine corporate system of light system) 3.0g, azo bicyclohexanone-1-carbonyl nitrile (ACHN, with the pure medicine corporate system of light) 1.0g is dissolved in the 40g acetone, at room temperature made the nitrogen gas stream commensurability 10 minutes, deposit the mixing solutions that oxygen replaces gained and be added on wherein molten, about 18 hours thereafter in synthermal maintenance.Subsequently, be warming up to 90 ℃ again after after keeping 6 hours under this temperature, sub-solution secures satisfactory grades.The percent polymerization of this moment is more than 98%, and weight-average molecular weight is 65,000.

The manufacturing of＜film 〉

Is to mix simultaneously at 4: 6 the polymer A resin of gained and polymer B resin with the solids component ratio, add the SH28PA (a chain modified dimethylsiloxane copolymer that is constituted) (Dong Li-Dow corporate system, structural formula is as follows) of 0.05% releasing agent with polyoxyethylene structure with relative hybrid resin

(in the formula, n is about 1000, and m is about 400, and R is alkyl or hydrogen)

, this solution uses Pi Lanuo film corporate system coating machine, and to material film PET (the Sima A-4150 of section, Japan twist flax fibers and weave corporate system), with the coating of 3m/min speed, with 50 ℃ of dryings 3 minutes, 3 fens master slave modes of 140 ℃ of dryings formed the test film continuously.In addition, the thickness of employed material film PET is 125 μ m, and the thickness tolerance range is 1.5 μ m, and the surface smoothing of coated face is 5nm.

(embodiment 24)

In the present embodiment, except that the addition to the SH28PA (Dong Li-Dow corporate system) of the releasing agent that resin added changes to 0.20%, other all makes film according to embodiment 23 same procedure.

(embodiment 25)

In the present embodiment, on photic zone, be coated with stacked following hard coating precursor, through the result that is heating and curing, form hard coat, and use it as the assessment film with embodiment 23 prepared films.

＜apply precursor firmly 〉

At withstand voltage 2.3kg/cm ²In 4 liters of stainless steel autoclave of G, drop into butanols (with the pure medicine corporate system of the light) 1200g of solvent, and weigh and add distilled water 80g in stirring behind tetraethoxysilane (chemical company of SHIN-ETSU HANTOTAI system) 32g, Union carbide A-162 (chemical company of SHIN-ETSU HANTOTAI system) 187.6g, dimethyldiethoxysilane (chemical company of the SHIN-ETSU HANTOTAI system) 180.4g., add 10% potassium hydroxide solution 0.04g, in stirring, be warming up to 60 ℃ thereafter.After under the maintenance uniform temp 2 hours, get and apply precursor firmly.It is 20% that the solid of this moment becomes deal.

The making of＜hard coat 〉

Add 15% aqueous solution (with the pure medicine corporate system of light) of the tetramethyl-ammonium oxyhydroxide of 3.3 weight % to modulate hard coating precursor solution at solids component to the hard coating precursor of gained.This solution is used Pi Lanuo film corporate system coating machine, on previous embodiment 1 prepared film, is coated with, through continuously with 50 ℃ of dryings 3 minutes, 3 fens master slave mode form layers of 150 ℃ of dryings laminate film.The thickness of laminate film of this moment is 82.9 μ m, and when deducting the difference that euphotic thickness constitutes, the thickness of learning hard coat is 3.0 μ m.

The foregoing description 23 to embodiment 25 prepared respectively assessments with film (photic zone film, substrate layer, its stacked laminate film that constitutes), its haze value, transmittance, double refraction, thickness (μ m)-film thickness error, surface smoothing, the pencil hardness of hard coat, the scuff resistance of film etc., all can be according to the said determination method, second-order transition temperature, form and aspect, static friction coefficient, warpage processibility, adhesive etc. can be measured according to following measuring method, assessment.

(second-order transition temperature (Tg))

Use DVA to measure.Determinator is for using UBM corporate system, reyn DVE-4V.Condition determination is to measure modulus in tension under 3.0 ℃/min of heat-up rate, frequency 10.0Hz, and in the data of gained, the crest summit of tan δ is Tg.

(form and aspect (yellowness index) (%))

The form and aspect of film (yellow chromaticity) in yellowness index is measured, are measured for using colour-difference meter (Japanese electric look industry system COH-300A).

(static friction coefficient)

Static friction coefficient, for with pellicular cascade on the glass substrate of 20cm * 20cm, and be that the mode that 3cm, the right cylinder of height 2cm, weight 75g are laid PET film (but this film A4150) with the bottom surface is placed on it with base diameter, the film angle that the rounding cylinder begins to shake that tilts is made as θ, try to achieve static friction coefficient μ=tan θ (θ: the angle that right cylinder begins to shake), be static friction coefficient μ of angle θ.

(warpage processibility)

Whether produce the degree of be full of cracks and albinism during with visual type viewing film warpage.Assessment mode finds that the film of breakage, be full of cracks and albinism is " zero ", and producing damaged film then is " * ".

(adhesive)

To be coated on the film of material film PET, cut the shape of size 15cm * 1m.For the film that cuts gained, with photic zone pellicular front side down, under the state that film is keep flat, under the scope of room temperature (25 ℃), stripping rate 100mm/sec, as upper base, by the direction on upper base left side to upper base right side, is that long limit is that the more mode of short brink is all peeled off upper base than minor face with the overburden amount with rectangular minor face, secondly will grow about the limit and peel off, and material film PET be peeled off to the direction of going to the bottom in the mode of phase equivalent locations.At this moment, the PET material film of peeling off is for to peel off in the following mode of height 30cm.The adhesion value is then measured for measuring the number that remains in raw material PET.To get 5 samples respectively, its numerical value is the number of its total of mensuration, and is scaled every 1m ²Number.

The result that the said determination method is measured is as shown in table 7.

(table 7)

Characteristic evaluation			Embodiment 23	Embodiment 24	Embodiment 25
						Photic zone	Composition	The A polymer Tg (℃)	-12
The B polymer Tg (℃)	116
				Mix proportions	4/6
Demoulding dosage	0.05	0.20	0.05
				Characteristic	∑tanδ	8.4	8.6	8.4
405nm transmittance (%)	92	91	92
					Double refraction (nm)	-0.6	-0.6	-0.6
Haze value (%)	0.4	0.5	0.4
					Form and aspect (%)	0.5	0.5	0.5
The warpage processibility	○	○	○
					Static friction coefficient	0.393	0.374	0.393
Shape	Thickness (μ m)	79.9	80.2						79.9
				Thickness tolerance range (μ m)	±1.1	±1.0	±1.1
	Substrate layer	Shape	Thickness (μ m)					125	125	125
Thickness tolerance range (μ m)				±1.5	±1.5	±1.5
			Surface smoothing (nm)				5	5	5
Laminate film				Release property	Adhesive (individual/5 slice)	2				0	2
	Adhesive is (individual/m 2)	2.70	0.00				2.70
					The pencil hardness of hard coat			-	-	6H
	The thickness (μ m) of hard coat		-	-			3.0
					405nm transmittance (%)			-	-	92.9
	Double refraction (nm)		-0.6	-0.6			-0.7
					Scuff resistance			-	-	1.5

As shown in table 7, be added with each film of the embodiment 23 to 25 of specified quantitative silicone resin, it is low than institute's fixed number value to have a high transmission rate, low haze value, degree of birefringence, thus have the good optical characteristic, in addition, every 1m ²Residual number be 3 to sentence down so have a good release property.In addition, shown in the embodiment 25, hard coat is formed on the photic zone, so the scuff resistance of film is further improved.

(embodiment 26)

In the present embodiment, all for using polymkeric substance, molecular weight is that the polymkeric substance proportion below 10,000 is the mixture of polymer A and the polymer B of 4.2 weight %.

The manufacturing of＜polymer A 〉

At withstand voltage 2.3kg/cm ²In 4 liters of stainless steel autoclave of G, drop into the acetone 1252g of polymerization solvent, weigh butyl acrylate (BA subsequently, with the pure medicine corporate system of light) 1035g, vinylformic acid (the pure medicine system of AA and light) 46g add wherein, thereafter, at room temperature made the nitrogen gas stream commensurability 1 hour, after the molten oxygen deposited replaced, with pressurization in the autoclave, airtight after, be warming up to 60 ℃.Thereafter again with the lauroyl superoxide (LPO of polymerization starter; Nof Corp.'s system) 3.1g, t-butylperoxy 2-ethylhexanoate (PBO; Nof Corp.'s system) 1.1g, α-Jia Jibenyixierjuwu (AMSD; five wells change into corporate system) 0.03g is dissolved in the 40g acetone; at room temperature made the nitrogen gas stream commensurability 10 minutes; the molten oxygen of depositing is replaced the mixing solutions constituted and is added on wherein, about 14 hours thereafter in synthermal maintenance.Subsequently, be warming up to 90 ℃ again after after keeping 6 hours under this temperature, sub-solution secures satisfactory grades.The percent polymerization of this moment is more than 98%, and weight-average molecular weight is 250,000

The manufacturing of＜polymer B 〉

At withstand voltage 2.3kg/cm ²In 4 liters of stainless steel autoclave of G, drop into the acetone 1500g of polymerization solvent, weigh methyl methacrylate (the pure medicine corporate system of MMA and light) 749g, methacrylic acid three ring (5.2.1.0 subsequently ^2,6) last of the ten Heavenly stems-8-base (TCDMA, Hitachi changes into corporate system) 103g, butyl acrylate (BA) 69g, 2,2,6,6,-pentamethyl--4-piperidino methyl acrylate (LA-87, Hitachi changes into corporate system) 79g adds wherein, thereafter, at room temperature made the nitrogen gas stream commensurability 1 hour, after the molten oxygen deposited replaced, with pressurization in the autoclave, airtight after, be warming up to 60 ℃.Thereafter again with the azobis isobutyronitrile (AIBN of polymerization starter, with the pure medicine corporate system of light system) 3.0g, azo bicyclohexanone-1-carbonyl nitrile (ACHN, with the pure medicine corporate system of light) 1.0g is dissolved in the 40g acetone, at room temperature made the nitrogen gas stream commensurability 10 minutes, the molten oxygen of depositing is replaced the mixing solutions constituted and is added on wherein, about 18 hours thereafter in synthermal maintenance.Subsequently, be warming up to 90 ℃ again after after keeping 6 hours under this temperature, sub-solution secures satisfactory grades.The percent polymerization of the polymer B of this moment is more than 98%, and weight-average molecular weight is 75,000.

The manufacturing of＜film 〉

With institute constitute polymer A resin and polymer B resin with the solids component ratio be mix at 4: 6 after, this solution is used Pi Lanuo film corporate system coating machine, to material film PET (the Sima A-4100 of section, Japan's corporate system of twisting flax fibers and weaving), be coated with 3m/min speed, with 50 ℃ of dryings 3 minutes, 3 fens master slave modes of 140 ℃ of dryings formed the test film continuously.

(embodiment 27)

In the present embodiment, except that the temperature of reaction when synthetic becomes 62 ℃ by 60 ℃ with polymer B, other all makes the test film according to embodiment 26 same procedure.The polymkeric substance rate of polymer B is more than 98%, and the weight-average molecular weight of polymer B is 71,000.

(embodiment 28)

In the present embodiment, except that the temperature of reaction when synthetic becomes 65 ℃ by 60 ℃ with polymer A, other all makes the test film according to embodiment 26 same procedure.The polymkeric substance rate of polymer A is more than 98%, and the weight-average molecular weight of polymer A is 135,000.

The foregoing description 26 to 28 prepared each are tested with film (photic zone film, substrate layer, its stacked laminate film that constitutes), its second-order transition temperature, transmitance, form and aspect, warpage processibility, adhesive, double refraction, thickness (μ m)-film thickness error, surface smoothing etc. are according to the said determination method, and the polystyrene conversion molecular weight is then measured, assessed according to following measuring method.Its result is as shown in table 9.

(polystyrene conversion molecular weight)

Use gel permeation chromatography chromatography (GPC), try to achieve the polystyrene conversion molecular weight.Its condition determination is as shown in table 8.

(table 8)

Cylinder	Shodex OH pak SB-G+SB-806M HQ * 2
		Elutriant	DMF+0.06M Li Br+0.04M H3PO4
Temperature	40 ℃ of cylinder thermostatic baths
		Flow velocity	1.0ml/min
Stream is pressed	46kg·f/cm 2
		Concentration	About 2mg/ml (sample uses vacuum-drying thing at room temperature)
Pre-treatment	0.2 μ m strainer filters
		Detector	R1-8011

In addition, the amount of molecular weight below 10,000, the area in can the molecular weight analyse table is than measuring.Tester is for using the corporate system HLC-802A of east Soviet Union.

(table 9)

Characteristic evaluation				Embodiment 26	Embodiment 27	Embodiment 28
							Photic zone	Composition	The A polymer Tg (℃)		-12
The B polymer Tg (℃)		116
					The molecular weight of A polymkeric substance (Mw)				250000		135000
The molecular weight of B polymkeric substance (Mw)		75000	71000	75000
					Mix AB	The ratio (%) of molecular weight below 10000			4.2	5.0	4.8
Mix proportions (A: B)	4∶6
				Characteristic		∑tanδ			8.5	8.2	7.9
405nm transmittance (%)		92	92		92
						Double refraction (nm)		-0.6	-0.8	-0.5
Form and aspect (%)		0.5	0.5		0.5
						The warpage processibility		○	○	○
Shape	Thickness (μ m)		79.8		79.4						79.3
				Thickness tolerance range (μ m)		±1.2	±1.4	±1.0
	Substrate layer	Shape	Thickness (μ m)						125	125	125
Thickness tolerance range (μ m)					±1.5	±1.5	±1.5
			Surface smoothing (nm)					5	5	5
Laminate film	Characteristic				Adhesive (individual/5 slice)		0				2	0
		Adhesive is (individual/m 2)		0.00				2.70	0.00

As shown in table 9, each film of embodiment 26 to 28, its second-order transition temperature is that the molecular weight of the polymer B more than 25 ℃ is more than 70,000, and polymer A is with after polymer B is mixed, and the polymkeric substance proportion of molecular weight below 10,000 is below the 10 weight %, every 1m ²Residual number be 3 to sentence down, so have good release property.

In following examples 29 to 33, by on the photic zone again making layer be stacked in surface hardness on the photic zone and have that hard coat is constituted laminate film more than the pencil hardness 3H, and it is assessed.

(embodiment 29)

In the present embodiment, for identical with embodiment 26, the following hard coating precursor of coating is heated curing, again to make laminate film on the formation film.

(applying precursor A firmly)

At withstand voltage 2.3kg/cm ²In 4 liters of stainless steel autoclave of G, drop into butanols (with the pure medicine corporate system of the light) 1200g of solvent, and weigh and add distilled water 80g in stirring behind tetraethoxysilane (chemical company of SHIN-ETSU HANTOTAI system) 32g, Union carbide A-162 (chemical company of SHIN-ETSU HANTOTAI system) 187.6g, dimethyldiethoxysilane (chemical company of the SHIN-ETSU HANTOTAI system) 180.4g., add 10% potassium hydroxide solution 0.04g, in stirring, be warming up to 60 ℃ thereafter.After under the maintenance uniform temp 2 hours, get and apply precursor A firmly.It is 20% that the solid of this moment becomes deal.

(making of hard coat)

Add 15% aqueous solution (with the pure medicine corporate system of light) of the tetramethyl-ammonium oxyhydroxide of 3.3 weight % to modulate hard coating precursor solution at solids component to the hard coating precursor A of gained.This solution is used Pi Lanuo film corporate system coating machine, is coated on the photic zone film, through continuously with 50 ℃ of dryings 3 minutes, 3 fens master slave mode form layers of 150 ℃ of dryings laminate film.This moment is the thickness of coat firmly, can try to achieve by deducting the photic zone thickness.

(embodiment 30)

Remove hard apply precursor A with the hard coating precursor of commercially available thing (chemical company of SHIN-ETSU HANTOTAI system, X-12-2206) substitute outside, other is all according to embodiment 29 same procedure making layer laminate films.

(embodiment 31)

In the present embodiment, the photic zone film uses embodiment 2 prepared films, and the thickness of hard coat is beyond about 2 μ m, and other is all according to embodiment 30 same procedure making layer laminate films.

(embodiment 32)

In the present embodiment, except that the photic zone film used embodiment 3 prepared films, other was all according to embodiment 30 same procedure making layer laminate films.

The foregoing description 29 to 32 prepared each films (photic zone film, substrate layer film, laminate film), except that assess its various characteristics according to embodiment 26 same procedure, the assessment of relevant hard coat characteristic is then carried out according to embodiment 5 same procedure.In addition, the assessment of outward appearance is as follows.Its result is as shown in table 10.

(outward appearance)

The outward appearance on hard coat surface is assessed with visual and microscope (200 times of multiplying powers).The assessment benchmark is, is when the two does not all find slight crack with visual and microscope " zero ", visually fails to confirm but is " △ " can confirm slight crack by microscope the time, is in the time of can confirming slight crack by visual type " * ".

(table 10)

Project				Embodiment 29	Embodiment 30	Embodiment 31	Embodiment 32
								Hard coat		The hard precursor that applies		Precursor A	×-12-2206
Pencil hardness		6H	5H
						Photic zone	Composition			Polymkeric substance-A Tg (℃)		-12
Polymkeric substance-B Tg (℃)		116
								The molecular weight of polymkeric substance-A (Mw)		250000		250000	135000
The molecular weight of polymkeric substance-B (Mw)		75000		71000	75000
								Mixture (A: B)	The ratio (%) of molecular weight below 10,000	4.2		5.0	4.8
Mix proportions (A: B)	4∶6		4∶6	4∶6
					Characteristic				∑tanδ		8.5		8.2	7.9
405nm transmittance (%)		92		92			92
								Form and aspect (%)		0.5		0.5	0.5
Double refraction (nm)		-0.6		-0.8			-0.5
								Haze value (%)		0.5		0.5	0.5
The warpage processibility		○		○			○
								Shape	Thickness (μ m)		79.8		79.4	79.3
Thickness tolerance range (μ m)		±1.2		±1.4	±1.0
							Substrate layer		Shape	Thickness (μ m)		125
Thickness tolerance range (μ m)		±1.5
						Surface smoothing (nm)		5
Laminate film	Shape	HC thickness (μ m)		5.2	5.1							2.1	4.9
						Thickness (μ m)		85.0	84.9	81.5	84.2
		Thickness tolerance range (μ m)		±1.2	±1.3							±1.3	±1.2
						Surface smoothing (nm)		8.0	9.0	7.9	8.1
		Outward appearance		○	○							○	○
						Characteristic	405nm transmittance (%)		92.5	92.6	92.5			92.2
	Form and aspect (%)		0.5	0.5	0.5							0.5
							Double refraction (nm)		-0.6		-0.8		-0.5
	The warpage processibility		○	○	○							○
							Adherence		0/100	0/100	0/100		0/100
	Adhesive (5 slices /)		0	0	2							0
							Adhesive (m 2/)		0.00	0.00	2.70		0.00
	Scuff resistance		1.3	1.1	1.9							1.2

As shown in table 10, each film of embodiment 29 to 32, its second-order transition temperature is that the molecular weight of the polymer B more than 25 ℃ is more than 70,000, and polymer A is with after polymer B is mixed, and the polymkeric substance proportion of molecular weight below 10,000 is below the 10 weight %, every 1m ²Residual number be 3 to sentence down, so have good release property.In addition, the pencil hardness of hard coat is more than the 3H, so have good scuff resistance.

Therefore, use the low-molecular(weight)polymer proportion of molecular weight below 10,000, to all polymkeric substance is thermoplastic resin or ethylene-based polymer below the 10 weight %, when particularly the ethylene-based polymer more than 2 kinds mixes the polymkeric substance that is constituted, can strengthen photopermeability or film strength, and make the good optical member film that has surface smoothing and release property concurrently.

Following examples 33, embodiment 34, embodiment 36 are the substrate layer of optical component with film, do not executed demoulding processing for using, thickness 125 μ m, thickness tolerance range ± 0.8 μ m, surface smoothing is respectively the PET base material of 5nm, 10nm, 5nm, the optical component of embodiment 35 is handled through the demoulding for using the surface with the substrate layer of film, and thickness is 50 μ m, the thickness tolerance range is respectively ± 0.7 μ m, and surface smoothing is the PET base material of 18nm.

(embodiment 33)

In the present embodiment, photic zone mixes the polymkeric substance that is constituted for using following polymer A with polymer B.

The manufacturing of＜polymer A 〉

At withstand voltage 2.3kg/cm ²In 4 liters of stainless steel autoclave of G; drop into the acetone 1279g of polymerization solvent; weigh butyl acrylate (BA subsequently; with the pure medicine corporate system of light) 994g; vinylformic acid (AA; with the pure medicine system of light) 86g; Virahol (IPA; special medicine corporate system) 160g adds wherein; thereafter; at room temperature made the nitrogen gas stream commensurability 1 hour; after molten oxygen replacement of depositing; again with the lauroyl superoxide (LPO of polymerization starter; Nof Corp.'s system) 0.72g; t-butylperoxy 2-ethylhexanoate (PBO; Nof Corp.'s system) 0.24g; the α-Jia Jibenyixierjuwu 0.054g that molecular weight is adjusted agent is dissolved in the 40g acetone, at room temperature makes the nitrogen gas stream commensurability 10 minutes, and the molten oxygen of depositing is replaced the mixing solutions that is constituted and is added on wherein; in autoclave pressurize thereafter; airtight; be warming up to 60 ℃, kept about 20 hours down, be warming up to 90 ℃ synthermal.And then under this temperature, kept 10 hours, sub-solution secures satisfactory grades.The percent polymerization of the macromolecular solution of gained is more than 97%.

The manufacturing of＜polymer B 〉

At withstand voltage 2.3kg/cm ²In 4 liters of stainless steel autoclave of G, drop into the acetone 1279g of polymerization solvent, weigh methyl methacrylate (MMA, Asahi Chemical Industry's corporate system) 810g, methacrylic acid three ring (5.2.1.0 subsequently ^2,6) last of the ten Heavenly stems-8-base (TCDMA, Hitachi changes into corporate system) 205g, butyl acrylate (BA) 32g, 2,2,6,6-tetramethyl--4-piperidino methyl acrylate (FA712HM, Hitachi changes into corporate system) 32g adds wherein, thereafter, at room temperature made the nitrogen gas stream commensurability 1 hour, after molten oxygen replacement of depositing, with azobis isobutyronitrile (the pure medicine corporate system of AIBN and the light system) 2.88g of polymerization starter, azo bicyclohexanone-1-carbonyl nitrile (ACHN, with the pure medicine corporate system of light) 0.96g is dissolved in the 40g acetone, at room temperature made the nitrogen gas stream commensurability 10 minutes, the molten mixing solutions of depositing oxygen replacement gained is added on wherein, will pressurize in the autoclave thereafter, after airtight, be warming up to 60 ℃, about 20 hours in synthermal maintenance.Subsequently, be warming up to 90 ℃ again after after keeping 10 hours under this temperature, sub-solution secures satisfactory grades.The percent polymerization of this moment is more than 97%.

The manufacturing of＜laminate film 〉

With the polymer A resin of gained and polymer B resin with the solids component ratio be mix at 3: 7 after, this solution is used Pi Lanuo film corporate system coating machine, to substrate layer (PET, the Sima A-4150 of section, Japan's corporate system of twisting flax fibers and weaving), with the coating of 3m/min speed, continuously with 50 ℃ of dryings 3 minutes, 3 fens master slave modes of 140 ℃ of dryings form photic zone, and use it as the test laminate film.

(embodiment 34)

In the present embodiment, except that the PET of the Sima A-4100 of substrate layer use section (Japan twist flax fibers and weave corporate system), other is all according to embodiment 33 same procedure making layer laminate films.

(embodiment 35)

In the present embodiment, except that substrate layer used the PET of surface-treated guarantor man of great strength A71 (Supreme Being people E.I.Du Pont Company system), other was all according to embodiment 33 same procedure making layer laminate films.

(embodiment 36)

In the present embodiment, be the stacked following hard coating precursor of coating on the photic zone of embodiment 33 prepared laminate films, via being heating and curing forming hard coat, and use it as the assessment laminate film.

(applying precursor firmly)

At withstand voltage 2.3kg/cm ²In 4 liters of stainless steel autoclave of G, drop into butanols (with the pure medicine corporate system of the light) 1200g of solvent, and weigh and add distilled water 80g in stirring behind tetraethoxysilane (chemical company of SHIN-ETSU HANTOTAI system) 32g, Union carbide A-162 (chemical company of SHIN-ETSU HANTOTAI system) 187.6g, dimethyldiethoxysilane (chemical company of the SHIN-ETSU HANTOTAI system) 180.4g., add 10% potassium hydroxide solution 0.04g, in stirring, be warming up to 60 ℃ thereafter.After under the maintenance uniform temp 2 hours, get and apply precursor firmly.It is 20% that the solid of this moment becomes deal.

(making of hard coat)

Add 15% aqueous solution (with the pure medicine corporate system of light) of the tetramethyl-ammonium oxyhydroxide of 3.3 weight % to modulate hard coating precursor solution at solids component to the hard coating precursor of gained.This solution is used Pi Lanuo film corporate system coating machine, is coated on the foregoing description 1 prepared photic zone film, through continuously with 50 ℃ of dryings 3 minutes, 3 fens master slave mode form layers of 150 ℃ of dryings laminate film.This moment, the thickness of laminate film was 82 μ m, and when the euphotic thickness of subduction, the thickness of learning hard coat is 2.4 μ m.

To at the foregoing description 33 to embodiment 36 prepared each photic zone and laminate films, assess its second-order transition temperature (Tg), 405nm transmittance, form and aspect (yellowness index), thickness (μ m) thickness tolerance range (μ m), surface smoothing (nm), warpage processibility, release property (adhesive), the pencil hardness of hard coat, the scuff resistance of laminate film according to aforesaid method respectively.In addition, phase-separated state, warpage state are then according to following method assessment.Its result is as shown in table 11.

(observation of phase-separated state)

Phase-separated state when polymer A is mixed with polymer B can be observed its transparency by visual type.Appraisal procedure is that when being transparent during with visual observation, for not observing phase-separated state, it is evaluated as " zero ", during some gonorrhoea state, for what observe out phase-separated state, it is evaluated as " △ ", in addition, during for the gonorrhoea state, can but think phase-separated state, it is evaluated as " * ".

(observation of warpage state)

Use the constant temperature and pressure groove, observe the warpage state that is placed on 80 ℃ of temperature, following 100 hours rear films of humidity 85% condition.Appraisal procedure is that film is evaluated as " zero " when not observing out the warpage state, be evaluated as when film is observed out warpage " * ".

(table 11)

Characteristic evaluation			Embodiment 33	Embodiment 34	Embodiment 35	Embodiment 36
							Photic zone	Composition	The A polymer Tg	-12
The B polymer Tg	115
					Mix proportions	3∶7
Characteristic	∑tanδ	2.5	2.5	2.5						2.5
					405nm transmittance (%)	92	92	92	92
	Form and aspect (%)	0.5	0.5	0.6						0.5
					The warpage processibility	○	○	○	○
	Warpage	○	○	○						○
					Shape	Thickness (μ m)	79.6	79.8	79.7		79.6
Thickness tolerance range (μ m)	±1.5	±1.5	±1.8	±1.5
						Surface smoothing (nm)	13	18	30	13
Substrate layer	Shape	Thickness (μ m)	125	125							50	125
					Thickness tolerance range (μ m)	±0.8	±0.8	±0.7	±0.8
		Surface smoothing (nm)	5	10						18	5
					Have or not the demoulding to handle		Do not have	Do not have	Have			Do not have
	Laminate film	Release property	Adhesive (individual/5 slice)	2						2	0		2
Adhesive is (individual/m 2)					2.66	2.66	0.00	2.66
			The pencil hardness of hard coat						-	-	-	6H
The thickness (μ m) of hard coat		-			-	-	2.4
			405nm transmittance (%)					-	-	-	92.8
Double refraction (nm)		-			-	-	0.12
			Scuff resistance					-	-	-	1.5

As shown in table 11, embodiment 33 and embodiment 34 do not impose below the surface smoothing 10nm of demoulding processing for substrate layer, embodiment 35 is for below the surface smoothing 20nm that executes the demoulding and handle, and that does not almost find adhesive and caused peels off residue, demonstrates good release property.In addition, as embodiment 36, it is formed with hard coat on photic zone, and the scuff resistance of laminate film is further improved.

Therefore, when the surface smoothing of substrate layer is defined in special value, can prevent the adhesive between substrate layer and photic zone, and strengthen the intensity of photopermeability or film, and can make surface smoothing and the equal good optical member of release property film.

Following examples 37 to embodiment 40 are all the 2 optical component films of stack structure layer by layer with photic zone and adhesive coating, and embodiment 41 is for being formed with 3 laminate films layer by layer of hard coat again on the photic zone of the laminate film of embodiment 37.

(embodiment 37)

In the present embodiment, mixed the solution that is constituted with polymer B with 1: 9, complies with following method making photic zone film for the polymer A of using embodiment 33, with this photic zone with the adhesive linkage of film with pellicular cascade constituted 2 laminate films layer by layer.It is fitted in and support on the basal disc with as sample thereafter.

＜2 making of laminate film layer by layer 〉

Use Pi Lanuo film corporate system coating machine to be coated on the base material mixing solutions of polymer A and polymer B, make the photic zone film after drying.With the adhesive coating of stacked adhesive-film #5511 (ponding chemical company system), be layered in the photic zone film of peeling off above-mentioned base material on, with making layer laminate film thereafter.In addition, the laminate film of this moment is for having the 3-tier architectures such as substrate layer of photic zone/adhesive coating/adhesive coating side, so the substrate layer of adhesive coating side can be peeled off in use.

In the prepared laminate film of aforesaid method, photic zone and adhesive coating constitute 2 layer by layer the thickness of laminate film be 110 μ m, the transmitance under the 405nm is 88.4%.In addition, the transmittance of the wavelength 405nm in the euphotic independent film is 92.3%.

＜polycarbonate supports the making of basal disc 〉

Use Jet forming machine IS-55EPN (Toshiba Machine Co. Ltd's system), temperature is 300 ℃ in tube, the condition compacted under that die temperature is 100 ℃, external form 86mm, internal diameter 15mm, thickness 1.2mm by the formed discoid support basal disc of polycarbonate.Thereafter, the substrate layer of the laminate film with 3-tier architecture that will make according to aforesaid method is peeled off, with photic zone and adhesive coating constituted 2 layer by layer laminate film be fitted on the discoid polycarbonate basal disc.

(embodiment 38)

In the present embodiment, for a change 2 layer by layer the thickness of laminate film constitute, be essentially according to embodiment 37 same steps as and make sample.Prepared 2 layer by layer the thickness of laminate film be 50 μ m, the transmitance among the 405nm is 89.1%.In addition, the transmittance of the independent wavelength 405nm of euphotic film is 93.2%.

(embodiment 39)

In the present embodiment, for a change 2 layer by layer the thickness of laminate film constitute, be essentially according to embodiment 37 same steps as and make sample.Prepared 2 layer by layer the thickness of laminate film be 150 μ m, the transmitance among the 405nm is 88.1%.In addition, the transmittance of the independent wavelength 405nm of euphotic film is 91.3%.

(embodiment 40)

In the present embodiment, for a change 2 layer by layer the thickness of laminate film constitute, be essentially according to embodiment 37 same steps as and make sample.Prepared 2 layer by layer the thickness of laminate film be 200 μ m, the transmittance among the 405nm is 87.9%.In addition, the transmittance of the independent wavelength 405nm of euphotic film is 90.8%.

(embodiment 41)

In the present embodiment, for being coated with stacked following hard coating precursor on the photic zone of embodiment 37 prepared laminate films again, through being heating and curing forming hard coat, and make have hard coat/photic zone/substrate layer of adhesive coating/adhesive coating side constitutes the laminate film of 4 layers of structure., this substrate layer with laminate film of 4 layers of structure is peeled off thereafter, will by hard coat, photic zone and adhesive coating constituted 3 layer by layer laminate film be fitted in and support on the basal disc as sample.

(applying precursor firmly)

At withstand voltage 2.3kg/cm ²In 4 liters of stainless steel autoclave of G, drop into butanols (with the pure medicine corporate system of the light) 1200g of solvent, and weigh and add distilled water 80g in stirring behind tetraethoxysilane (chemical company of SHIN-ETSU HANTOTAI system) 32g, Union carbide A-162 (chemical company of SHIN-ETSU HANTOTAI system) 187.6g, dimethyldiethoxysilane (chemical company of the SHIN-ETSU HANTOTAI system) 180.4g., add 10% potassium hydroxide solution 0.04g, in stirring, be warming up to 60 ℃ thereafter.After under the maintenance uniform temp 2 hours, get and apply precursor firmly.It is 20% that the solid of this moment becomes deal.

(making of hard coat)

Add 15% aqueous solution (with the pure medicine corporate system of light) of the tetramethyl-ammonium oxyhydroxide of 3.3 weight % to modulate hard coating precursor solution at solids component to the hard coating precursor of gained.This solution is used Pi Lanuo film corporate system coating machine, is coated on the foregoing description photic zone with opposite side adhesive coating 1 prepared laminate film, through continuously with 50 ℃ of dryings 3 minutes, 3 fens master slave mode form layers of 150 ℃ of dryings laminate film.This moment, the thickness of laminate film was 98 μ m, and when the euphotic thickness of subduction, the thickness of learning hard coat is 3.0 μ m.

To at the foregoing description 37 to embodiment 41 prepared each photic zone film, 2 laminate film, 3 laminate film layer by layer layer by layer, assess the transmittance, thickness (μ m), thickness tolerance range (μ m), surface smoothing (nm), the pencil hardness of hard coat, the scuff resistance of laminate film of its second-order transition temperature (Tg), 405nm respectively according to aforesaid method.Operation when in addition, the refringence of photic zone and adhesive coating is with the making sample is then according to following method assessment.Its result is as shown in table 12.

(refringence of photic zone and adhesive coating)

Use the A Bai refractometer, measure photic zone and adhesive coating respectively separately.Determinator is for using Ya Dake corporate system A Bai refractometer.

(operation when making sample)

When photic zone film, adhesive coating and discoid polycarbonate basal disc being fitted with making support basal disc sample, only use photic zone and adhesive coating 2 when laminate film can support the job step that basal disc fits with polycarbonate layer by layer, the operation during sample making is evaluated as " zero ".In addition, support the step that forms adhesive coating on the basal disc at discoid polycarbonate after, must be again when the printing opacity tunic is closed the step of applying, the operation during sample making is evaluated as " * ".

(table 12)

			Embodiment 37	Embodiment 38	Embodiment 39	Embodiment 40	Embodiment 41
								2 laminate films layer by layer	Shape	Thickness (μ m)	110	50	150	200	110
Thickness tolerance range (μ m)	±1.5	±1.2	±1.6	±1.9	±1.5
						Surface smoothing (nm)	14			12	15	17	14
Characteristic	405nm transmittance (%)	88.4	89.1	88.1	87.9									88.4
						Refringence	0.04		0.04	0.04	0.04	0.04
	Photic zone	Composition	The A polymer Tg (℃)	-12
The B polymer Tg (℃)									115
			Mix proportions (A: B)	1∶9
Characteristic									∑tanδ	2.1	2.1	2.1	2.1	2.1
		405nm transmittance (%)	92.3	93.2	91.3	90.8	92.3
								Shape	Thickness (μ m)	95	35	135	185	95
Thickness tolerance range (μ m)		±1.3	±1.1	±1.4	±1.7	±1.3
							Adhesive coating		Shape	Thickness (μ m)	15
Thickness tolerance range (μ m)	±1.0
						3 laminate films layer by layer		The pencil hardness of hard coat		-	-	-	-	6H
The thickness (μ m) of hard coat		-	-	-	-		3.0
								405nm transmittance (%)		-	-	-	-	93.2
Double refraction (nm)		-	-	-	-		0.12
								Scuff resistance		-	-	-	-	1.5
Operation			○	○	○		○								○

As shown in table 12,2 thickness of laminate film layer by layer of embodiment 37 to embodiment 40 are all the scope of 30 to 300 μ m, and thickness tolerance range and transmittance are all scope of the present invention, and it is good to pretend the industry property.In addition, form hard coat embodiment 40 3 layer by layer laminate film also have good scuff resistance.

Shown in above embodiment, use optical component of the present invention with thin film fabrication high-density DVD result, even when using the short wavelength laser irradiation, can make signal information pinpoint accuracy record and reproduction because of having event such as high transmission rate, low-birefringence.In addition, optical component has good pliability and obdurability with film, thus handle easily and process, and enlarge the tolerance of manufacturing step and the tolerance of goods design.In addition, even during life-time service high-density DVD, because of reducing the generation of warpage, so can reduce the record of signal information and the mistake that reproduction produced.Its result can realize developing desired big memory capacity with information such as image information or animations.

In addition, use the high-density DVD that forms the film of hard coat on the surface, on reality is used, can demonstrate good surperficial scuff resistance, so be difficult for adhering to indentation the signal tolerance range is worsened, and can suppress the reduction of recording capacity with appropriate hardness and thickness.

In addition, optical component film of the present invention is because of having good warpage processibility, so can keep under the surface smoothing with film curl for the cylinder shape to form winding laminate, in addition, also has good release property during use, so operating efficiency is further improved.

In addition, in this example, for the DVD with high capacity illustrates the concrete purposes of optical component of the present invention with laminate film, but the present invention not only is limited to optical component, except that DVD used, other for example also was useful in optical components such as liquid crystal touch control panel base material film, flexible display base material film, liquid crystal panel phase-contrast film, electronic paper.

As previously mentioned, preferable example of the present invention, with do not surmount under the present invention spirit and the scope through change repeatedly with revise enforcement down, also be that the personage who is familiar with the technology of the present invention knows by inference easily, and still belong to technical scope of the present invention.

Claims (43)

1. optical component film, it is characterized by, with frequency 10Hz, 3 ℃/min of heat-up rate, mode determination serves as in the Measurement of Dynamic Viscoelasticity under stretch measuring, the ratio of loss Young's modulus and storage elastic modulus is more than 2 30 ℃ to 80 ℃ integrating value, and has the photic zone that mainly is made of thermoplastic resin.

2. optical component film, it is characterized by, with frequency 10Hz, 3 ℃/min of heat-up rate, mode determination serves as in the Measurement of Dynamic Viscoelasticity under stretch measuring, the ratio of loss Young's modulus and storage elastic modulus is more than 2 30 ℃ to 80 ℃ integrating value, and has the photic zone that mainly is made of ethylene-based polymer.

3. optical component film as claimed in claim 2, wherein aforementioned ethylene-based polymer contains: intramolecularly contains the ethylene-based polymer A of the a kind of proton property supplied with atomic group at least, at least contain the ethylene-based polymer B of a kind of proton acceptability atomic group with intramolecularly, and between the aforementioned proton property supplied with atomic group and proton acceptability atomic group, form crosslinked based on the simulation of intermolecular hydrogen bonding.

4. optical component film as claimed in claim 3, wherein aforementioned ethylene-based polymer A, be to make to contain the polymkeric substance that monomer mixture polymerization that intramolecularly has the vinyl monomer that is selected from the functional group in carboxyl, hydroxyl or the phenol hydroxyl more than a kind is constituted, aforementioned ethylene-based polymer B, be to make to contain the polymkeric substance that monomer mixture polymerization that molecule has the vinyl monomer of nitrogen-atoms is constituted, and either party's second-order transition temperature is more than 25 ℃ among aforementioned ethylene-based polymer A and the aforementioned ethylene-based polymer B, and the opposing party's second-order transition temperature is for being lower than 25 ℃.

5. optical component film as claimed in claim 1 or 2, wherein aforementioned thermoplastic resin or aforementioned ethylene-based polymer are acrylic resin.

6. optical component film as claimed in claim 1 or 2, wherein in aforementioned thermoplastic resin or aforementioned ethylene-based polymer, contain that to be selected from phenol at least more than a kind be that antioxidant, phosphatization system antioxidant, thioether are the compound in antioxidant and the photostabilizer.

7. optical component film as claimed in claim 1 or 2, wherein the transmittance at wavelength 405nm is more than 87%.

8. optical component film as claimed in claim 1 or 2, wherein aforementioned euphotic thickness are 15 to 250 μ m, and the thickness precision is in ± 2.0 μ m.

9. optical component film as claimed in claim 1 or 2, wherein aforementioned euphotic double refraction is below the 20nm.

10. optical component film as claimed in claim 1 or 2 wherein forms pencil hardness and is the hard coat more than the 3H on aforementioned photic zone.

11. optical component film as claimed in claim 10, wherein the thickness of aforementioned hard coat is 0.5 to 8 μ m, and the thickness precision is in ± 1.0 μ m.

12. optical component film as claimed in claim 10, wherein aforementioned hard coat is a crosslinking structural body.

13. optical component film as claimed in claim 12, wherein aforementioned crosslinking structural body are silicone-based crosslinking structural body or acrylic acid series crosslinking structural body.

14. optical component film as claimed in claim 10, wherein aforementioned hard coat contains the silicone-based thermoplastic resin of 0.2 to 10.0 weight %.

15. optical component film as claimed in claim 1 or 2 wherein has the substrate layer that is layered in peelable removal when using on the aforementioned photic zone.

16. optical component film as claimed in claim 15, wherein the coated face with aforementioned photic zone adjacency of aforementioned substrates layer is handled by the demoulding, and its surface smoothing is below the 20nm.

17. optical component film as claimed in claim 15, wherein aforementioned photic zone contains silicone resin.

18. optical component film as claimed in claim 15, wherein aforementioned euphotic thermoplastic resin or aforementioned ethylene-based polymer, the molecular weight that the polystyrene standard that uses the gel permeation chromatography chromatography to measure converts is the shared ratio of low-molecular(weight)polymer below 10,000, is below the 10 weight % with respect to whole polymkeric substance.

19. optical component film as claimed in claim 15, wherein aforementioned euphotic thermoplastic resin or aforementioned ethylene-based polymer, ethylene-based polymer A that have opposite characteristic for being mixed with at least, second-order transition temperature is different separately simultaneously and the ethylene-based polymer of ethylene-based polymer B, among this ethylene-based polymer A and this ethylene-based polymer B, second-order transition temperature is that the weight-average molecular weight that the polystyrene standard of the either party's polymkeric substance more than 25 ℃ converts is more than 70,000.

20. optical component film as claimed in claim 15, wherein the aforementioned substrates layer is made of vibrin in fact.

21. optical component film as claimed in claim 15, wherein under 25 ℃, the condition of stripping rate 100mm/ second, when aforementioned substrate layer was peeled off, the residue of peeling off that is produced because of fitting was 3 to sentence down in every 1m2 with aforementioned photic zone.

22. optical component film as claimed in claim 15, wherein aforementioned photic zone under 25 ℃, are below 0.42 to the static friction coefficient of PET.

23. optical component film as claimed in claim 1 or 2 wherein is formed with adhesive linkage on aforementioned photic zone.

24. optical component film as claimed in claim 23,2 layers thickness of wherein aforementioned photic zone and aforementioned adhesive linkage is 30 to 300 μ m, and the thickness precision is in ± 2.0 μ m.

25. optical component film as claimed in claim 1 or 2, wherein aforementioned photic zone is as the photic zone of CD.

26. a film winding laminate curls into the cylinder shape with each described optical component in the claim 1 to 25 with film and constitutes.

27. an optical component uses each described optical component film in the claim 1 to 25 as photic zone.

28. optical component as claimed in claim 27, wherein aforementioned photic zone are to fit via adhesive linkage, and the refringence of this photic zone and adhesive linkage is below 0.1.

29. optical component as claimed in claim 27, it is a CD.

30. optical component as claimed in claim 29, wherein aforementioned CD is high-density DVD, and recording capacity is more than the 20GB.

31. CD, be laminated with recording layer, adhesive linkage and photic zone in regular turn at least one side of supporting basal disc, it is characterized by, the thermal expansion amount of 30 ℃ to 80 ℃ single shaft direction of aforementioned support basal disc, than the scope that is 0.75 to 1.25, and this photic zone is a main composition by thermoplastic resin with respect to aforementioned euphotic 30 ℃ of thermal expansions to the thermal expansion amount of 80 ℃ of single shaft directions.

32. CD as claimed in claim 31, wherein aforementioned euphotic double refraction is below the 20nm, and thickness is 15 μ m to 250 μ m.

33. CD as claimed in claim 31, wherein aforementioned photic zone is more than 87% at the transmittance of wavelength 405nm.

34. CD as claimed in claim 31, wherein aforementioned thermoplastic resin is an ethylene-based polymer.

35. CD as claimed in claim 34, wherein aforementioned ethylene-based polymer, contain the ethylene-based polymer A that intramolecularly has the a kind of proton property supplied with atomic group at least, at least has the ethylene-based polymer B of a kind of proton acceptability atomic group with intramolecularly, and between the aforementioned proton property supplied with atomic group and the proton acceptability atomic group, it is crosslinked to form simulation via intermolecular hydrogen bond.

36. CD as claimed in claim 35, wherein aforementioned ethylene-based polymer A, be to make to contain the polymkeric substance that monomer mixture polymerization that intramolecularly has the functional group's who is selected from carboxyl, hydroxyl or phenol hydroxyl more than a kind vinyl monomer is constituted, aforementioned ethylene-based polymer B, be to make to contain the polymkeric substance that monomer mixture polymerization that intramolecularly has the vinyl monomer of nitrogen-atoms is constituted, and either party's second-order transition temperature is more than 25 ℃ among aforementioned ethylene-based polymer A and the aforementioned ethylene-based polymer B, and the opposing party's second-order transition temperature is for being lower than 25 ℃.

37. CD as claimed in claim 34, wherein aforementioned ethylene-based polymer is an acrylic resin.

38. CD as claimed in claim 31 wherein in aforementioned thermoplastic resin, contains that to be selected from phenol at least more than a kind be that antioxidant, phosphatization system antioxidant, thioether are the compound in antioxidant and the photostabilizer.

39. CD as claimed in claim 31, the refringence of wherein aforementioned photic zone and adhesive linkage is below 0.1.

40. CD as claimed in claim 31, wherein aforementioned support basal disc mainly is made of polycarbonate.

41. CD as claimed in claim 31, the thickness of wherein aforementioned support basal disc are 0.4mm to 1.2mm.

42. CD as claimed in claim 31 is on aforementioned photic zone and then to form pencil hardness be hard coat more than the 3H.

43. CD as claimed in claim 31 is the above high-density DVD of recording capacity 20GB.

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