WO2001000728A1 - Compositions resiniques a faible hygroscopicite et faible birefringence, materiau de moulage ainsi obtenu, feuille ou film, et piece optique - Google Patents
Compositions resiniques a faible hygroscopicite et faible birefringence, materiau de moulage ainsi obtenu, feuille ou film, et piece optique Download PDFInfo
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- WO2001000728A1 WO2001000728A1 PCT/JP2000/004215 JP0004215W WO0100728A1 WO 2001000728 A1 WO2001000728 A1 WO 2001000728A1 JP 0004215 W JP0004215 W JP 0004215W WO 0100728 A1 WO0100728 A1 WO 0100728A1
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L45/00—Compositions of homopolymers or copolymers of compounds having no unsaturated aliphatic radicals in side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic or in a heterocyclic ring system; Compositions of derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2666/00—Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
- C08L2666/02—Organic macromolecular compounds, natural resins, waxes or and bituminous materials
- C08L2666/04—Macromolecular compounds according to groups C08L7/00 - C08L49/00, or C08L55/00 - C08L57/00; Derivatives thereof
Definitions
- Polyolefin resins are extremely advantageous as optical resins because of their low hygroscopicity and high heat resistance.However, with the advancement of optical equipment in recent years, the drawback of high birefringence is high. Attempts to reduce the birefringence of polyolefin-based resins have recently been particularly active.
- JP-A-8-110402 can be mentioned.
- the present invention attempts to offset the birefringence inherent in a resin by mixing a resin or a low-molecular compound having a birefringence with a sign opposite to the birefringence of a polyolefin resin, thereby reducing the birefringence of the resin mixture to zero. Is what you do.
- This method requires that the resin to be mixed and the polyolefin-based resin be completely compatible.
- the compatibility between the polyolefin-based resin and the claimed resin is insufficient, and a sufficient effect has not been obtained.
- Japanese Patent Application No. 8-199091 is disclosed. This method removes the product from the mold during the injection molding of the resin composition.
- Description Low moisture absorption low birefringence resin composition, molding material obtained therefrom, sheet or film, and optical parts
- the present invention has low moisture absorption, low birefringence, low dielectric constant, and fluidity TECHNICAL FIELD
- the present invention relates to a resin composition which is excellent in heat resistance, has a small color change upon heating, and is excellent in mold releasability during injection molding, and a molding material, a sheet, a film and an optical component obtained by molding this resin composition.
- ethylene, substituted ethylene, propylene, substituted propylene, styrene, alkylstyrene, alkoxystyrene, norbornene, various acrylic esters, butadiene, cyclopentene, dicyclopentene, isoprene, maleic anhydride, maleimide, fumaric acid Esters, aryl compounds and the like can be mentioned as typical monomers.
- resins have been synthesized from these monomers or various combinations.
- cyclic polyolefins As another method, synthesis of a polymer comprising a hydrocarbon containing no polar group has been attempted.
- a group of polymers called cyclic polyolefins can be mentioned.
- Specific examples include a polymer obtained by hydrogenating polynorpolene, or a polymer comprising polydicyclopentene and a derivative thereof.
- the heat resistance is low and the water permeability is very high although the water absorption is extremely low.
- high water permeability is a characteristic common to polyolefins, and it is considered extremely difficult to solve this.
- syndiotactic polystyrene synthesized using a Ziegler catalyst or a Minski catalyst examples include syndiotactic polystyrene synthesized using a Ziegler catalyst or a Minski catalyst.
- This polymer has a structure in which the steric position relative to the main chain of the benzene ring is alternately located in the opposite direction, achieving extremely high heat resistance, and at the same time, extremely low water absorption and water permeation. Very low levels of properties as well as dielectric constant can be achieved.
- this polymer has a disadvantage that adhesion to a substrate is extremely poor due to its extremely high crystallinity, and since it does not dissolve in any solvent, there is a problem that the processing method is extremely limited. That is, a polymer that can solve the above problems has not yet been developed.
- polymers used for optical lenses and optical waveguide materials for optical applications include acrylic resins and polyolefin resins.
- Acrylic resins have excellent transparency and processability and extremely low birefringence. However, it has the disadvantages of high hygroscopicity, relatively low heat resistance, and low toughness.
- polyolefin resins have excellent heat resistance and extremely low hygroscopicity, but transparency and low birefringence are inferior to acrylic resins.
- both acrylic resin and polyolefin resin have advantages and disadvantages, and there is a strong demand for the development of a resin that complements the disadvantages of acryl resin and polyolefin resin.
- Another object of the present invention is to provide a resin composition which has a small color change upon heating and is excellent in releasability during injection molding, a molding material, a sheet or a film, and an optical component obtained by molding the resin composition.
- the present invention relates to the following (1) to (22).
- (C) a polymer comprising a monomer copolymerizable with styrene or a styrene derivative
- RR 2 , R 3 , R 4 , R 5 , and R 6 may be the same or different; a hydrogen atom; a monovalent hydrocarbon containing a nitrogen atom, an oxygen atom, or a silicon atom
- X represents a hydrogen atom, a halogen atom, an acyl group, an alkoxy group or a nitrile group
- Represents an integer of 4 and y represents an integer of 1 to 4, provided that x + y 4.
- the saturated water absorption rate is 4% or less 0.1, 200% resin birefringence during stretching in the range one 2 X 1 0 one 6 ⁇ 2 X 10- 6 (7 ) or (8) Composition (b).
- the saturated water absorption is 4% or less 0.1, the birefringence at 200% stretch - 2 in the range of X 10- s ⁇ 2 X 1 0- 6 (1 3) of the resin composition ( c).
- the content of the heterocyclic structure in the polymer (I) is from 0.01 to 5 mol% based on the total amount of the resin composition (c), and the content of the carboxyl group and the carboxyl group in the polymer (J) is (13)
- the addition amount of diphenyl silicone (D) is 0.01 to 1.0% by weight based on the total amount of the resin composition (c), and the addition amount of the phenolic antioxidant (E) is The amount is 0.1 to 3.0% by weight based on the total amount of the resin composition (c). (13) to (17).
- a resin composition selected from the resin composition (a) described in (1), the resin composition (b) described in (7), and the resin composition (c) described in (13) is molded. The resulting molding.
- the resin composition (a) of the present invention comprises the following polymer (A), (B) and / or (C) T
- the polymer (A) is an indene or an indene represented by the general formula (I)
- the general formula (I) There is no particular limitation as long as it is a polymer containing one or more derivatives, and any polymer may be used.
- Examples of the indene derivative used for the polymer (A) include those represented by the general formula (I), wherein R 2 , R 3 , RA, R 5 , and R 6 are the same.
- Examples of the monovalent hydrocarbon group containing a nitrogen atom, an oxygen atom or a silicon atom include, for example, dimethylaminoethyl group, acetylaminoethyl group, methoxy group, ethoxy group, propoxy group, butoxy group, pentoxy group. Group, hexoxy group, trimethylsilyl group, triethylsilyl group and the like.
- alkyl group having 1 to 6 carbon atoms examples include a methyl group, an ethyl group, a propyl group, an n-butyl group, an isobutyl group, a butyl group, an n-pentyl group, a 2-methylbutyl group,
- Examples include a 4-dimethylbutyl group, a 4,4-dimethylbutyl group, a 2-ethylbutyl group, a 1-ethylbutyl group, and a cyclohexyl group.
- Examples of the monovalent aromatic hydrocarbon group include a phenyl group, a naphthyl group, and a benzyl group. What is shown here is an example, and the present invention is not limited to these.
- X represents a hydrogen atom, a halogen atom, an acyl group, an alkoxy group or a nitrile group.
- halogen atom in X include fluorine, chlorine, bromine, and iodine.
- Examples of the acyl group in X include a formyl group, an acetyl group, a propionyl group, a butyryl group and an isoptyryl group.
- alkoxy group for X examples include a methoxy group, an ethoxy group, a propoxy group, a butoxy group, a pentoxy group, and a hexoxy group.
- X 0 or an integer of 1 to 4
- y represents an integer of 1 to 4.
- x + y 4.
- the above-mentioned indene or indene derivative can be used alone or in combination of two or more.
- Examples of the indene derivative having the above substituent include nucleus-substituted methylindene, nucleus-substituted ethylindene, nucleus-substituted propylindene, nucleus-substituted butylindene, and other nucleus-substituted alkylindenes, nucleus-substituted cloin indenes, and nucleus-substituted promoindene. More specifically, preferred are methylindene, 1-methylindene, and 1-methylindene.
- the polymer (B) used for the resin composition (a) is a polymer composed of polystyrene or a polystyrene derivative.
- examples of the monomer used for producing the polymer (B) composed of polystyrene or a polystyrene derivative include styrene, a nucleus-substituted alkylstyrene, a nucleus-substituted aromatic styrene, a para-substituted alkylstyrene and a substituted alkyl Styrene, nucleus-substituted alkoxystyrene and the like can be mentioned.
- nucleus-substituted alkylstyrene examples include 0-methylstyrene, m-methylstyrene, p-methylstyrene, 0-ethylstyrene, m-ethylstyrene, p-ethylstyrene, 0-propylstyrene, m-propylstyrene, and p-propylstyrene.
- nucleus-substituted aromatic styrene for example, 0-phenylstyrene, m-phenylstyrene, p-phenylstyrene and the like can be used. What is shown here is an example and is not limited to these.
- para-substituted alkyl styrene examples include methyl styrene, poly-butyl styrene, para-propyl styrene, ⁇ - ⁇ -butyl styrene, para-isobutyl styrene, para-t-butyl styrene, para-n-pentyl styrene, -2-methylbutyl styrene, para-3-methylbutylstyrene, para-1-butylstyrene, para-1-pentylstyrene, para-n-hexylstyrene, para-2-methylpentylstyrene, para-3-methyl Pentylstyrene, para-1-methylpentylstyrene, para-2,2-dimethylbutylstyrene, para-2,3-butylstyrene, ⁇ -3,4-
- substituted alkyl styrene examples include 5-methyl styrene, / 3-ethyl styrene, 5-propyl styrene,? -N-butyl styrene, isobutyl styrene, ⁇ -t-butyl styrene, n-pentyl styrene,? -2-methyl Butylstyrene, ⁇ -3-methylbutylstyrene, ⁇ -t-pentylstyrene, 5-n-hexylstyrene, ⁇ -2-methylpentylstyrene,?
- nucleus-substituted alkoxystyrene examples include 0-methoxystyrene, m-methoxystyrene, P-methoxystyrene, 0-ethoxystyrene, m-ethoxystyrene, p-ethoxystyrene, 0-propoxystyrene, and m-methoxystyrene.
- the polymer (C) used in the resin composition (a) is a polymer composed of a monomer copolymerizable with styrene or a styrene derivative.
- the monomer copolymerizable with styrene or a styrene derivative used in the polymer (C) include styrene, a nucleus-substituted alkyl styrene, a nucleus-substituted aromatic styrene, a para-substituted alkyl styrene, a substituted alkyl styrene, and a nucleus-substituted monomer. Examples thereof include alkoxystyrene, alkyl vinyl ether, aromatic vinyl ether, isobutene, diisobutylene, and C1-C8 (meth) acrylic ester. One or more of these can be used.
- nucleus-substituted alkylstyrene examples include nucleus-substituted aromatic styrene, ⁇ -substituted alkylstyrene,? -Substituted alkylstyrene, and nucleus-substituted alkoxystyrene are the same as the monomers used in the polymer (II).
- the alkyl of the alkyl vinyl ether is not particularly limited, and any alkyl may be used.
- any alkyl may be used.
- alkyl vinyl ethers having alkyl such as butyl and cyclohexyl. What is shown here is an example, and the present invention is not limited to these.
- aromatic vinyl ether examples include phenyl vinyl ether. What is shown here is an example, and the present invention is not limited to these.
- C1-C8 (meth) acrylic esters include methyl (meth) acrylate, ethyl (meth) acrylate, propyl (meth) acrylate, n-butyl (meth) acrylate, i-butyl (meth) acrylate, n-pentyl (meth) acrylate, n-hexyl (meth) acrylate, n-heptyl (meth) acrylate, n-octyl (meth) acrylate, 2-ethylhexyl (meth) acrylate, and the like. it can. What is shown here is an example, and the present invention is not limited to these. These may be used alone or in combination of two or more.
- the (meth) acrylic ester 8 may have a substituent such as an alkyl group, benzene, or a halogen atom at an arbitrary position.
- the method for producing the polymer of (A;), (B) or (C) is not particularly limited, and the polymer can be produced by a usual method.
- the polymer can be produced by cationic polymerization, anion polymerization, radical polymerization, living radical polymerization, or the like.
- the above polymerization method can be selected depending on the catalyst used.
- the catalyst used for the cationic polymerization is not particularly limited, and a known catalyst can be used.
- Lewis acids such as aluminum chloride, iron chloride, tin chloride, zinc chloride, strontium chloride, scandium chloride, etc.
- protic acids such as sulfuric acid, para-toluenesulfonic acid, hydrochloric acid, nitric acid, etc., and alkyl aluminum chloride
- the catalyst used for the anion polymerization is not particularly limited, and a known catalyst can be used.
- a known catalyst can be used.
- butyl lithium or the like can be used. What is shown here is an example, and the present invention is not limited to these.
- the catalyst used for the radical polymerization is not particularly limited, and a known catalyst can be used.
- peroxides such as benzoyl peroxide, lauryl peroxide, and methyl ethyl ketone peroxide can be used. What is shown here is an example, and the present invention is not limited to these. These may be used alone or in combination of two or more.
- the catalyst used for the living radical polymerization is not particularly limited, and a known catalyst can be used.
- a combination system of benzoyl peroxide and a nitroxide compound, a combination system of Ru complex / alkoxyaluminum and the like can be mentioned. What is shown here is an example, and the present invention is not limited to these. These may be used alone or in combination of two or more.
- the polymerization method can be synthesized by a usual method such as solution polymerization, suspension polymerization, or bulk polymerization.
- the solution polymerization method is most preferable.
- solvents there is no particular limitation on the solvent used, and known solvents can be used.
- the polymerization temperature is preferably in the range of 100 ° C. to 180 ° C. —
- the reactivity decreases, and it is difficult to obtain a sufficient high molecular weight product.
- the reactivity of the growing terminal is too high, and a chain transfer reaction occurs in a remarkably large amount, so that it may be difficult to obtain a high molecular weight product.
- the weight average molecular weight of the polymer (A) is preferably less than 80,000, and more preferably less than 40,000.
- the type and amount of the catalyst used in the polymerization are selected, a polymerization inhibitor is used, a chain transfer agent is used, and the polymerization temperature is adjusted. Can be prepared.
- the weight average molecular weight of the polymer (B) and / or the polymer (C) is preferably 50,000 or more, more preferably 100,000 or more.
- the weight average molecular weight of (B) and / or the polymer (C) is less than 50,000, the strength of the molded material tends to decrease.
- the type and amount of the catalyst used in the polymerization are selected, a polymerization inhibitor is used, It can be prepared by selecting the type and amount, using a polymerization inhibitor, using a chain transfer agent, or adjusting the polymerization temperature.
- the weight average molecular weight can be determined by GPC measurement in a tetrahydrofuran solution.
- the polymers (A), (B) and (C) obtained by the above method can be isolated by a usual method and used for the resin composition (a).
- the polymer (A) is preferably 30 to 90% by weight, more preferably 50 to 90% by weight, and more preferably 60 to 85% by weight based on the total amount of the resin composition (a). More preferably, there is.
- the amount of the polymer (A) is less than 30% by weight or more than 90% by weight based on the total amount of the resin composition (a)
- the absolute value of the birefringence tends to increase.
- the resin composition (a) is added with a diphenyl silicone (D) and / or a phenolic antioxidant (E).
- the viscosity of the diphenyl silicone (D) used in the resin composition (a) of the present invention is not particularly limited, and any viscosity may be used.
- the amount of diphenylsilicone (D) added is in the range of 0.01 to 1.0% by weight based on the total amount of the resin composition (a). It is preferable to use the box. Further, the range of 0.05 to 0.8% by weight is more preferable. If the amount is less than 0.01% by weight, the effect on the releasability from the mold at the time of injection molding tends to decrease, and if it exceeds 0.1% by weight, the heat resistance tends to decrease. .
- phenolic antioxidant (E) used in the present invention examples include dibutylhydroxytoluene, alkylated phenol, 4,4′-thiobis (6-1-butyl-3-methylphenol), 4,4′- Butylidenebis (6- 1-butyl-3-methylphenol), 2,2 ',-methylenebis (4-methyl-6- 1-butylbutylphenol), 2,2 "-methylenebis (4-ethyl-6-t-butyl) Phenol), 2,6-di-1-butyl-4-ethylphenol, 1, -tris (2-methyl-4-hydroxy-5-t-butylphenyl) butane, n-octadecyl-3- (4-hydroxy- 3,5--dibutylphenyl) propionate, tetrakis (methylen-3- (3,5-di-1-butyl-4-hydroxyphenyl) propionate, dilauryl thiodipropionate, distearylthiodiprop
- (A) It is preferably from 0.1 to 3.0% by weight, more preferably from 0.5 to 2.0% by weight, based on the total amount.
- the effect of suppressing resin is small, and if it exceeds 3.0% by weight, the transparency and heat resistance of the resin tend to decrease.
- the method of mixing the polymers (A), (B) and / or (C), diphenylsilicone (D) and the phenolic antioxidant (E) in the present invention is not particularly limited, and each polymer and It can be manufactured by weighing a predetermined amount of diphenyl silicone and a phenolic antioxidant, and melt-kneading them.
- Each polymer, diphenylsilicone and phenolic antioxidant can be produced by toluene, It can also be produced by dissolving in a solvent such as THF or NMP and then removing the solvent.
- the resin composition of the present invention obtained as described above (a) is saturated water absorption 0.4% or less, 2 0 0% birefringence during stretching is one 2 X 1 0- 6 to 2 it is preferably in the range of X 1 0- 6. More preferably the saturated water absorption is 2% or less 0.1, more preferred arbitrary 2 0 0% birefringence during stretching - 1 X 1 0- 6 ⁇ : a LX 1 0- 6.
- the ratio of the polymer ( ⁇ ) to the entire resin composition (a) may be set to 30 to 90% by weight.
- the ratio of the polymer (A) to the entire resin composition (a) may be 30 to 90% by weight.
- the saturated water absorption (%) in the present invention can be calculated by immersing a test piece in hot water at 70 ° C. and measuring the water absorption when the water absorption reaches saturation. “When the water absorption reaches saturation” means that the water absorption does not change even after being left in the 70 ° C warm water for a longer time.
- the birefringence of a molded material obtained by stretching 200% at a temperature 5 ° C lower than its glass transition temperature was measured using, for example, Ellipsome Ichiyo AEP-100 (made by Shimadzu Corporation). Can be measured. The measurement conditions were as follows: temperature: 25 ° C, laser beam wavelength: 632.8 nm.
- the measurement of the glass transition temperature of the molding material can be obtained as follows. The glass transition temperature can be measured by DSC (differential scanning calorimetry). The measurement of DSC is performed under the condition of a heating rate of 10 ° C / min. 2>
- the resin composition (b) of the present invention is a resin composition containing the following polymers (F), (G) and (H).
- the polymer (F) used for the resin composition (b) can be produced similarly using the same indene-based monomer as the polymer (A) used for the resin composition (a).
- the weight average molecular weight of the polymer (F) is preferably 4000 or more. More preferably, it is 8000 or more. When the weight average molecular weight of the polymer (F) is less than 4000, heat resistance tends to decrease.
- the type and amount of the catalyst used in the polymerization are selected, a polymerization inhibitor is used, a chain transfer agent is used, and the polymerization temperature is adjusted. Can be prepared.
- the polymer (G) used in the resin composition (b) must be manufactured in the same manner using the same styrene-based monomer as the polymer (B) used in the resin composition (a). Can be.
- the graft polymer (H) used in the resin composition (b) is obtained by adding one or more indene or indene derivative represented by the general formula (I) to a side chain of a polymer composed of a styrene or styrene derivative. It is a polymer having a structure in which the containing polymer is bonded. That is, the graft polymer (H) has, as a main chain, a polymer composed of styrene or a styrene derivative, and a polymer having one or more indene or indene derivative represented by the general formula (I) as a branch portion. It is what it was.
- Examples of a monomer copolymerizable with styrene or a styrene derivative used as a constituent monomer of the main chain portion of the graft polymer (H) include, for example, styrene, nuclei-substituted alkyl styrene, nucleus-substituted aromatic styrene, and para-substituted alkyl.
- Examples thereof include styrene, 3-substituted alkylstyrene, nucleus-substituted alkoxystyrene, alkyl vinyl ether, aromatic vinyl ether, isobutene, diisobutylene, and C1-C8 (meth) acrylic ester.
- nucleus-substituted alkylstyrene nucleus-substituted aromatic styrene, ⁇ -substituted alkylstyrene,? -Substituted alkylstyrene and nucleus-substituted alkoxystyrene are the same as the monomers used in the polymer (B) of the resin composition (a). Things. Examples of the alkyl vinyl ether, aromatic vinyl ether, and C1-C8 (meth) acrylic ester include the same monomers as those used in the polymer (C) of the resin composition (a).
- Examples of the indene or indene derivative used as a constituent monomer of the branched portion of the graft polymer (H) include those described above represented by the general formula (I).
- the method for producing the graft polymer (H) may be an ordinary method for producing a graft polymer, for example, the following method.
- a monomer copolymerizable with styrene or a styrene derivative prepared in advance by radical polymerization or the like is dissolved in toluene, THF, NMP, or the like, and the indene or indene derivative represented by the general formula (I) is further dissolved.
- a Lewis acid such as tin chloride or aluminum chloride is added as a catalyst, and 2,6-bis (t-butyl) pyridine or the like is added as a cocatalyst to carry out cation polymerization.
- the weight average molecular weight of the main chain portion of the graft polymer (H) is preferably 10,000 or more.
- the weight average molecular weight of the polymer (G) and the graft polymer (H) is preferably 50,000 or more, more preferably 100,000 or more.
- the weight average molecular weight of the polymer (G) and the graft polymer (H) is less than 50,000, the strength of the molding material tends to decrease.
- the type and amount of the catalyst used in the polymerization are selected, a polymerization inhibitor is used, and the serial transfer agent is used. Or by adjusting the polymerization temperature.
- the resin composition (b) of the present invention is preferably further added with diphenyl silicone and / or a phenolic antioxidant.
- the viscosity of the diphenylsilicone (D) used in the resin composition (b) of the present invention is not particularly limited, and any viscosity may be used as in the case of the resin composition (a).
- the amount of diphenylsilicone (D) added is preferably in the range of 0.01 to 1.0% by weight based on the total amount of the resin composition (b). Furthermore, the range of 0.05 to 0.8% by weight is more preferable. 0.0 If less than 1% by weight, injection The effect on mold releasability from molding tends to decrease, and if it exceeds 1.0% by weight, heat resistance tends to decrease.
- the phenolic antioxidant used in the resin composition (b) of the present invention includes the phenolic antioxidant (E) used in the resin composition (a).
- the amount of addition is not particularly limited, but is preferably used in the range of 0.1 to 3.0% by weight, and more preferably in the range of 0.5 to 2.0% by weight, based on the total amount of the resin composition (b). preferable. If the amount of the phenolic antioxidant (E) is less than 0.1% by weight, the effect of suppressing the change in hue tends to be small. Heat resistance tends to decrease.
- the method of mixing the polymers (F), (G), (H), diphenylsilicone (D) and the phenolic antioxidant (E) obtained by the above method is not particularly limited. It can be done in the same way as (a).
- the content of the polymer (F) is preferably 30 to 90% by weight, more preferably 50 to 90% by weight, based on the total amount of the resin composition (b). And more preferably 60 to 85% by weight.
- the resin composition of the present invention obtained as described above (b) is the saturation water absorption of 4% or less 0.1, 200% when stretched birefringence of - 2 X 1 0- 6 ⁇ 2 X 10 — Preferably in the range of 6 . More preferably the saturated water absorption is 2% or less 0.1, more preferred Arbitrary 200% when stretched birefringence of an 1 X 10- 6 ⁇ 1 X 10- 6.
- the ratio of the polymer (F) to the entire resin composition may be 30 to 90% by weight.
- the ratio of the polymer (F) to the entire resin composition may be 30 to 90% by weight.
- the resin composition (c) of the present invention is a resin composition containing the following polymers (I) and (J), diphenyl silicone (D) and a phenolic antioxidant (E).
- the same indene-based monomer as the polymer (A) used for the resin composition (a) can be used.
- the method for introducing a heterocyclic structure into the side chain of the polymer (I) is not particularly limited, and the following methods are exemplified.
- a heterocyclic structure is introduced into the side chain of the polymer (I), for example, the polymerization of the above-mentioned indene or an indene derivative with a vinyl monomer having an acid anhydride portion such as maleic anhydride is used. By synthesizing the union, a copolymer having an acid anhydride moiety as a functional group can be obtained. Then, a heterocyclic structure can be introduced by opening the acid anhydride portion of maleic anhydride with an amino group such as aminoviridine, which is a compound having an amino group and a heterocyclic structure.
- (2) Manufacture by copolymerizing a monomer having a reactive heterocyclic structure with a monomer copolymerizable with indene or an indene derivative by an ordinary method.
- the monomer having a reactive heterocyclic structure used in the above (1) include pyridine having a polymerizable reactive group, imidazoline, pyrazine, pyrimidine, quinoline, indolizine, acridine, furan, Thiophene, oxazole and the like; specifically, vinyl pyridine, pyridyl vinyl ether, pyridyl maleimide and the like can be used, but are not limited thereto. These can be used alone or in combination.
- the polymer (J) is styrene or styrene. It is composed of a monomer copolymerizable with a ren derivative and contains a carboxyl group and / or a phenolic hydroxyl group in a side chain.
- Examples of the monomer copolymerizable with styrene or a styrene derivative used in the polymer (J) include, for example, a nucleus-substituted alkyl styrene, a nucleus-substituted aromatic styrene, a para-substituted alkyl styrene, a substituted alkyl styrene, a nucleus-substituted alkoxy styrene And alkyl vinyl ethers and aromatic vinyl ethers. These include the same monomers as the styrene monomers used in the polymer (B) of the resin composition (a).
- Examples of the monomer copolymerizable with the styrene derivative used in the polymer (J) include, for example, a nucleus-substituted alkyl styrene, a nucleus-substituted aromatic styrene, a para-substituted alkyl styrene, a? -Substituted alkyl styrene, and a nucleus-substituted alkyl styrene.
- Examples thereof include alkoxystyrene, alkyl vinyl ether, aromatic vinyl ether, isopten, diisobutylene, and C1-C8 (meth) acrylic ester, and specifically, a polymer (C) of the resin composition (c) And the same monomers as those used in the above.
- the method for introducing a carboxyl group and / or a phenolic hydroxyl group into the side chain of the polymer (J) is not particularly limited, and the following methods are exemplified.
- a carboxyl group is introduced into the side chain of the polymer (J), for example, the above-mentioned styrene or a styrene derivative and a vinyl monomer having an alcoholic hydroxyl group such as 2-hydroxyethyl methacrylate (HEMA)
- HEMA 2-hydroxyethyl methacrylate
- the monomer having a reactive hydroxyl group or phenolic hydroxyl group having a reactivity used in the above (1) include, for example, methylacrylic acid, acrylic acid, maleic acid, vinylphenol, and vinylbenzoic acid. Yes, but not limited to. These can also be used alone or in combination.
- the content of the heterocyclic structure in the polymer (I) is preferably from 0.01 to 5 mol% based on the total amount of the resin composition (c). More preferably, it is 0.02 to 2 mol%.
- the content of the heterocyclic structure in the polymer (I) is less than 0.0 lniol ° / 0 , the transparency of the resin composition (c) tends to decrease, and if it exceeds 5 mol%, The water absorption of the resin composition tends to increase.
- the content of the carboxyl group and / or the phenolic hydroxyl group in the polymer (J) is preferably from 0.01 to 5 mol%, more preferably 0.02, based on the total amount of the resin composition (c). ⁇ 2 mol%.
- the content of the carboxyl group and / or the phenolic hydroxyl group in the polymer (J) is less than 0.0 lmol%, the transparency of the resin composition (c) tends to decrease. %, The water absorption of the resin composition (c) tends to increase.
- the molar ratio of the heterocyclic structure to the carboxylic acid group and / or the phenolic hydroxyl group is preferably from 0.1 to 10.0. If this ratio is less than 0.1 or exceeds 10.0, the transparency of the resin composition (c) tends to decrease.
- the method for producing the above-mentioned polymer (I) or (J) is not particularly limited, and the polymer can be produced by a usual method using the above-mentioned monomer.
- the viscosity of the diphenylsilicone (D) used for the resin composition (c) of the present invention is not particularly limited, and any viscosity may be used as in the case of the resin composition (a).
- the amount of diphenylsilicone (D) to be added is preferably in the range of 0.01 to 1.0% by weight / 0 with respect to the total amount of the resin composition (c). And even 0. The range of 05 to 0.8% by weight is more preferred. If the amount is less than 0.01% by weight, the effect on the releasability from the mold at the time of injection molding tends to decrease, and if it exceeds 1.0% by weight, the heat resistance tends to decrease.
- the phenolic antioxidant used in the resin composition (c) of the present invention includes the phenolic antioxidant (E) used in the resin composition (a).
- the amount of addition is not particularly limited, but is preferably used in the range of 0.1 to 3.0% by weight, and more preferably in the range of 0.5 to 2.0% by weight, based on the total amount of the resin composition (c). preferable. If the amount of the phenolic antioxidant (E) is less than 0.1% by weight, the effect of suppressing the change in hue tends to be small. Heat resistance tends to decrease.
- the method of mixing the polymers (I), (J), diphenylsilicone (D) and the phenolic antioxidant (E) obtained by the above method is not particularly limited, and the resin composition (a) What is necessary is just to do.
- the polymer (I) is preferably 30 to 90% by weight, more preferably 50 to 90% by weight, based on the total amount of the resin composition (c). And more preferably 60 to 85% by weight.
- the amount of the polymer (I) is less than 30% by weight or more than 90% by weight based on the total amount of the resin composition (c), the absolute value of the birefringence tends to increase.
- the resin composition (c) of the present invention obtained as described above has a saturated water absorption of 0.4% or less, and has a birefringence of ⁇ 2 ⁇ 10— s to 2 ⁇ 10 when stretched by 200%. It is preferable that it is in the range. More preferably the saturated water absorption is 2% or less 0.1, more preferred Arbitrary 200% birefringence during stretching one 1 X 10- 6 ⁇ ; a LX 1 0- 6.
- the content of the carboxyl group and / or the phenolic hydroxyl group in the polymer (I) and the content of the heterocyclic structure and / or the alkylamino group in the polymer (J) are determined. It is sufficient that each amount satisfies 0.005 to 5 mol% ⁇
- the polymer (I) In order for the birefringence at 200% stretching to be within the above range, the polymer (I) must be What is necessary is just to make the ratio with respect to the total amount of the product (c) 30-90 weight%.
- the resin composition (a), the resin composition (b), and the resin composition (c) according to the present invention can be processed into a molding material, a sheet, or a film.
- optional components can be added as necessary.
- the resin composition of the present invention is a semiconductor-related material or an optical component that can satisfy characteristics such as a low dielectric constant, a low moisture absorption rate, and a high heat resistance; further, a paint, a photosensitive material, an adhesive, a sewage treatment agent, Heavy metal collectors, ion exchange resins, antistatic agents, antioxidants, antifogging agents, anti-foaming agents, anti-staining agents, bactericides, insect repellents, medical materials, flocculants, surfactants, lubricants, solid fuels It can also be applied to binders for conductive materials and conductive treatment agents.
- Optical parts using the molding material of the present invention include a pickup lens for CD, a pickup lens for DVD, a lens for fax, a lens for LBP, an oligo mirror, a prism, and the like.
- the evaluation method used in the examples is as follows.
- the molecular weight of the synthesized polymer was determined by GPC measurement in a tetrahydrofuran solution.
- the fluidity of the resin composition was determined by measuring the melt flow rate at 220 ° (:, load 5 kgf).
- the sample As for the water absorption of the sample, the sample is immersed in 70 ° C hot water, and the water absorption reaches saturation. The water absorption at that time was measured. The water absorption in Table 1 indicates the saturated water absorption.
- the heat resistance was evaluated by measuring the glass transition temperature by DSC (differential scanning calorimetry). The measurement of DSC was carried out at a heating rate of 10 ° C / min.
- the measurement was carried out at 20 KV, 1 ⁇ , and 25 ° C using a Hudred Packard's Brewing LCR Meter Model 4284A.
- the bending strength of the test piece was measured using AGS-1000G manufactured by Shimadzu Corporation. The test was performed at room temperature under the conditions of a test speed of 0.5 mm / min, a span of 20 mm, and a specimen width of 10 mm.
- the transmittance of the prepared sample was measured at 25 ° C using V-570 manufactured by JASCO Corporation.
- the transmittance measured in the wavelength range of 400 to 800 nm was defined as the total light transmittance.
- the obtained molded material was stretched by 150% at a temperature lower by 5 ° C. than the glass transition temperature, and the birefringence was measured. The measurement was performed at 25 ° C using an ellipsometer AEP-100 manufactured by Shima Ritsu Seisakusho. The laser light wavelength was 632.8 nm.
- the resin After the resin is kept in the injection molding machine at 250 ° C for 30 minutes, it is injection molded, and the hue change of the obtained molded product is measured with a spectral colorimeter (Macbeth color-eye7000A, manufactured by Sakata Ink Co., Ltd.) did.
- a spectral colorimeter Macbeth color-eye7000A, manufactured by Sakata Ink Co., Ltd.
- Example 1 was charged indene 1 0. 0 g and toluene 30. 0 g in the flask of 1 100 ml, was added 6_Rei 1 3 0. 05 g in 25, was reacted for 1 2 hour. Thereafter, 0.05 g of methanol was added to the reaction mixture, followed by stirring to obtain a homogeneous solution. The obtained homogeneous solution was gradually added into 100 g of methanol to obtain 9.7 g of a white precipitate. The white precipitate was dried under reduced pressure to obtain a polymer (A). The weight average molecular weight of this polymer was 2,200.
- Example 2 indene 8. 0 g, 4-methylstyrene 2. 0 g and was charged with methylene chloride 30. 0 g in the 100 m 1 flask, one 40 of ° C at 0.
- Styrene (14.0 g), 4-methylstyrene (5.0 g), butyl acrylate (1.0 g), and benzoylvaloxide (0.1 g) were placed in a 100 ml flask, stirred, dissolved, and then distilled water. 60 g of calcium phosphate (0.1 g) was added, and the mixture was reacted at 70 ° C. for 12 hours with stirring. The reaction was performed for a predetermined time. The obtained particulate polymer was isolated, washed with hydrochloric acid, and dried at 50 ° C for about 2 hours to obtain a polymer (C). The weight average molecular weight of the obtained polymer was 240,000.
- Example 5 10.0 g of indene and 30.0 g of nitrobenzene were charged into a 100 ml flask, and 0.05 Cl of FeCl 3 was added at 0 ° C, and reacted for 12 hours. Was. Thereafter, 0.05 g of methanol was added to the reaction mixture, followed by stirring to obtain a homogeneous solution. The obtained homogeneous solution was gradually added into 100 g of methanol to obtain 9.7 g of a white precipitate. The white precipitate was dried under reduced pressure to obtain a polymer (F). The weight average molecular weight of this polymer was 7,500.
- styrene (18.0 g), p-chloromethylstyrene (2.0 g), and benzoylperoxide (0.1 g) were charged into a 100-ml flask and dissolved by stirring. g and calcium phosphate (0.10 lg) were added, and the mixture was reacted at 70 with stirring for 12 hours. Thereafter, the particulate polymer was isolated, washed with hydrochloric acid, and dried at 50 ° C. for about 2 hours. 6.0 g of the obtained particulate polymer was dissolved in 30 g of toluene, 4.0 g of indene was further added, and the mixture was stirred until it became uniform.
- Example 6 10.0 g of indene and 30.0 g of nitrobenzene were charged into a 100-ml flask, and 0.05 g of FeCl 3 was added at 0 ° C., followed by a reaction for 12 hours. Thereafter, 0.05 g of methanol was added to the reaction mixture, followed by stirring to obtain a homogeneous solution. The obtained homogeneous solution was gradually added to 100 g of methanol to obtain 9.7 g of a white precipitate. The white precipitate was dried under reduced pressure to obtain a polymer (F). The weight average molecular weight of this polymer was 7,500.
- Example 7 10.0 g of indene and 30.0 g of toluene were charged into a 100 ml flask, and 25 was added. Was added 1 3 0. O lg, it was reacted for 6 hours. Thereafter, 0.01 g of methanol was added to the reaction mixture, followed by stirring to obtain a homogeneous solution. The obtained homogeneous solution was gradually added to 100 g of methanol to obtain 9.8 g of a white precipitate. The white precipitate was dried under reduced pressure to obtain a polymer (F). The weight average molecular weight of this polymer was 10,000.
- Comparative Example 3 indene 10. 0 g and nitrobenzene 30. 0 g were charged into a 100 m 1 flask, was added F e C 1 3 0. 05 g in 0 ° C, it was allowed to react for 12 hours. Thereafter, 0.05 g of methanol was added to the reaction mixture, followed by stirring to obtain a homogeneous solution. The obtained homogeneous solution was gradually added to 100 g of methanol to obtain 9.7 g of a white precipitate. The white precipitate was dried under reduced pressure to obtain a polymer (F). The weight average molecular weight of this polymer was 7,500.
- Example 8 indene 9. 95 g, vinylpyridine 0. 05 g and methylene chloride 30. 0 g were charged into a flask 1 100 ml, was added F e C 1 3 0. O lg one 40 ° C, The reaction was performed for 24 hours. Thereafter, 0.05 g of methanol was added to the reaction mixture at room temperature, followed by stirring to obtain a homogeneous solution. The obtained homogeneous solution was gradually added into 100 g of methanol to obtain 9.8 g of a white precipitate. The white precipitate was dried under reduced pressure to obtain a polymer (I). The weight average molecular weight of this polymer was 97,000.
- Antioxidant E 0.5% by weight 0.5 0.5
- a resin having low moisture absorption, low birefringence, low dielectric constant, excellent fluidity, little color change upon heating, and excellent mold release during injection molding A composition can be provided. Further, an optical component having low hygroscopicity, low birefringence, and low dielectric constant can be provided by using a molding material, sheet, or film obtained by molding the resin composition.
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- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
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Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/019,753 US6900273B1 (en) | 1999-06-28 | 2000-06-27 | Low-hygroscopicity low-birefringence resin compositions, molding material obtained therefrom, sheet or film, and optical part |
EP00940857A EP1205517A4 (en) | 1999-06-28 | 2000-06-27 | RESIN COMPOSITION WITH LOW HYGROSCOPY AND LOW DOUBLE BREAKDOWN, MATERIAL, FOIL OR FILM AND OPTICAL PART THEREOF |
KR1020017016691A KR20020026474A (ko) | 1999-06-28 | 2000-06-27 | 저흡습 저복굴절 수지 조성물, 이로부터 수득된 성형재,시트 또는 필름 및 광학용 부품 |
Applications Claiming Priority (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18118299 | 1999-06-28 | ||
JP11/181181 | 1999-06-28 | ||
JP18118199 | 1999-06-28 | ||
JP11/181182 | 1999-06-28 | ||
JP2000/24776 | 2000-01-28 | ||
JP2000024774 | 2000-01-28 | ||
JP2000024775 | 2000-01-28 | ||
JP2000/24775 | 2000-01-28 | ||
JP2000/24774 | 2000-01-28 | ||
JP2000024776 | 2000-01-28 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/019,753 A-371-Of-International US6900273B1 (en) | 1999-06-28 | 2000-06-27 | Low-hygroscopicity low-birefringence resin compositions, molding material obtained therefrom, sheet or film, and optical part |
US10/847,195 Continuation US20040220342A1 (en) | 1999-06-28 | 2004-05-17 | Low-hygroscopicity low-birefringence resin compositions, molding material, sheet or film obtained therefrom, and optical part |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001000728A1 true WO2001000728A1 (fr) | 2001-01-04 |
Family
ID=27528797
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2000/004215 WO2001000728A1 (fr) | 1999-06-28 | 2000-06-27 | Compositions resiniques a faible hygroscopicite et faible birefringence, materiau de moulage ainsi obtenu, feuille ou film, et piece optique |
Country Status (4)
Country | Link |
---|---|
US (2) | US6900273B1 (ja) |
EP (1) | EP1205517A4 (ja) |
KR (1) | KR20020026474A (ja) |
WO (1) | WO2001000728A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101910888B (zh) * | 2007-12-28 | 2013-07-17 | 株式会社日本触媒 | 光学膜及具有该光学膜的图像显示装置 |
KR102596086B1 (ko) * | 2016-02-05 | 2023-10-30 | 미츠비시 가스 가가쿠 가부시키가이샤 | 열가소성 수지 적층 연신 필름 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4066717A (en) * | 1975-12-24 | 1978-01-03 | The Standard Oil Company | Thermoplastic resin compositions comprising polyindene or coumarone-indene resin |
EP0393685A1 (en) * | 1989-04-20 | 1990-10-24 | Kawasaki Steel Corporation | Imidated copolymers and uses thereof |
JPH10231403A (ja) * | 1997-02-19 | 1998-09-02 | Arakawa Chem Ind Co Ltd | 芳香族ビニル系樹脂組成物 |
JPH11246733A (ja) * | 1997-12-04 | 1999-09-14 | Kanegafuchi Chem Ind Co Ltd | 熱可塑性樹脂組成物 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
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US3888941A (en) * | 1974-02-26 | 1975-06-10 | Uniroyal Inc | Modified abs polymers |
FR2291234A1 (fr) * | 1974-11-18 | 1976-06-11 | Anvar | Polymeres et copolymeres de l'indene greffes sur des chaines elastomeres |
US4326045A (en) * | 1975-12-24 | 1982-04-20 | The Standard Oil Company | Thermoplastic resins containing coumarone-indene resin or polyindene |
US4267086A (en) * | 1976-01-07 | 1981-05-12 | Ford Motor Company | Sacraficial binders for molding particulate solids |
US4100226A (en) * | 1976-12-23 | 1978-07-11 | The Standard Oil Company | Indene-chlorobutyl rubber copolymers |
US4082820A (en) * | 1977-06-15 | 1978-04-04 | The Standard Oil Company | High softening maleic anhydride copolymers |
US4195135A (en) * | 1977-10-28 | 1980-03-25 | Standard Oil Company | Thermoplastic nitrile resin blends |
US4267066A (en) * | 1979-10-17 | 1981-05-12 | International Flavors & Fragrances Inc. | Process for augmenting or enhancing the aroma of detergent using derivatives of cis-3-hexenol |
US4432607A (en) * | 1981-10-27 | 1984-02-21 | Bell Telephone Laboratories, Incorporated | Hot melt coated optical fiber |
US4492428A (en) * | 1981-10-27 | 1985-01-08 | At&T Bell Laboratories | Coated optical fiber |
DE3333722A1 (de) * | 1983-09-17 | 1985-04-04 | Bayer Ag, 5090 Leverkusen | Abs-formmassen mit verbesserter flammwidrigkeit |
US4603186A (en) * | 1985-10-21 | 1986-07-29 | The Standard Oil Company | Tetrapolymers containing indene |
US5229449A (en) * | 1988-06-30 | 1993-07-20 | Kawasaki Steel Corporation | Copolymer of polymerizable components in naphtha oil and maleic anhydride, process for producing said copolymer, and derivatives thereof |
DE3911829A1 (de) * | 1989-04-11 | 1990-10-18 | Basf Ag | Optisches aufzeichnungsmedium |
JPH04323246A (ja) * | 1991-04-24 | 1992-11-12 | Mitsubishi Kasei Corp | インデン重合体組成物 |
DE4325752A1 (de) * | 1993-07-31 | 1995-02-02 | Basf Ag | Sulfonierte und oxidierte Inden-Polymerisate und ihre Verwendung als Dispergiermittel |
US6228944B1 (en) * | 1999-06-24 | 2001-05-08 | The Goodyear Tire & Rubber Company | Polymeric resinous material derived from limonene, dimethyl-dicyclopentadiene, indene and vinyl toluene |
US6265478B1 (en) * | 1999-08-18 | 2001-07-24 | The Goodyear Tire & Rubber Company | Polymeric resinous material derived from limonene dicyclopentadiene indene and alpha-methyl styrene |
JP2002003706A (ja) * | 2000-06-26 | 2002-01-09 | Hitachi Chem Co Ltd | 低吸湿低複屈折樹脂組成物、これから得られる成形材、シート又はフィルムおよび光学用部品 |
-
2000
- 2000-06-27 EP EP00940857A patent/EP1205517A4/en not_active Withdrawn
- 2000-06-27 KR KR1020017016691A patent/KR20020026474A/ko not_active Application Discontinuation
- 2000-06-27 WO PCT/JP2000/004215 patent/WO2001000728A1/ja not_active Application Discontinuation
- 2000-06-27 US US10/019,753 patent/US6900273B1/en not_active Expired - Fee Related
-
2004
- 2004-05-17 US US10/847,195 patent/US20040220342A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4066717A (en) * | 1975-12-24 | 1978-01-03 | The Standard Oil Company | Thermoplastic resin compositions comprising polyindene or coumarone-indene resin |
EP0393685A1 (en) * | 1989-04-20 | 1990-10-24 | Kawasaki Steel Corporation | Imidated copolymers and uses thereof |
JPH10231403A (ja) * | 1997-02-19 | 1998-09-02 | Arakawa Chem Ind Co Ltd | 芳香族ビニル系樹脂組成物 |
JPH11246733A (ja) * | 1997-12-04 | 1999-09-14 | Kanegafuchi Chem Ind Co Ltd | 熱可塑性樹脂組成物 |
Also Published As
Publication number | Publication date |
---|---|
EP1205517A4 (en) | 2005-01-26 |
KR20020026474A (ko) | 2002-04-10 |
US20040220342A1 (en) | 2004-11-04 |
US6900273B1 (en) | 2005-05-31 |
EP1205517A1 (en) | 2002-05-15 |
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