CN108700695A - The manufacturing method of laminated optical film - Google Patents

The manufacturing method of laminated optical film Download PDF

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Publication number
CN108700695A
CN108700695A CN201780012810.0A CN201780012810A CN108700695A CN 108700695 A CN108700695 A CN 108700695A CN 201780012810 A CN201780012810 A CN 201780012810A CN 108700695 A CN108700695 A CN 108700695A
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CN
China
Prior art keywords
width
optical film
film
adhesive layer
base material
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Granted
Application number
CN201780012810.0A
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Chinese (zh)
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CN108700695B (en
Inventor
仲俊之
川上武志
安藤卓也
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Sumitomo Chemical Co Ltd
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Sumitomo Chemical Co Ltd
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Publication of CN108700695A publication Critical patent/CN108700695A/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B23/00—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose
    • B32B23/04—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose comprising such cellulosic plastic substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B23/08—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose comprising such cellulosic plastic substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/42—Polarizing, birefringent, filtering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/748—Releasability

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polarising Elements (AREA)
  • Liquid Crystal (AREA)
  • Laminated Bodies (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

A kind of manufacturing method of laminated optical film is provided, can manufacture from have remove a part of layer with the laminated optical film of multiple layers of optical film that can mutually remove when the laminated optical film that is not easily broken of other layers.A kind of manufacturing method of laminated optical film, wherein, the first optical film 2, adhesive layer 5 and the second optical film 3 with can mutually remove multiple layers are imported between a pair of of doubling roller 7a, the 7b rotated, to which the first optical film 2 and the second optical film 3 are bonded, in fitting, the width W of adhesive layer 5AFor the width W of the first optical film 21More than, the position of the first optical film 2 in the direction of the width be in adhesive layer 5 there are width WAWithin, the width W of the second optical film 22For the width W of adhesive layer 5AMore than, setting the second optical film 2 position make its interior packet adhesive layer 5 there are width WA。

Description

The manufacturing method of laminated optical film
Technical field
The present invention relates to the manufacturing methods of laminated optical film.
Background technology
In the past, it is known that make the optical film of multiple clip adhesive layer or adhesive phase pass through a pair of of doubling roller between thus carry out The manufacturing method of the laminated optical film of crimping (for example, see patent document 1).Usually by the way that bonding agent or adhesive to be coated on Thus the either side for the optical film to be laminated provides adhesive layer or adhesive phase.
On the other hand, it is known that:For having the optics of multiple layers, such as resin base material and the polarizing film that can mutually remove Other optical films are laminated by adhesive layer or adhesive phase and the polarization plates that manufacture in film (for example, see patent document 2).
Existing technical literature
Patent document
Patent document 1:Japanese Unexamined Patent Publication 2014-172290 bulletins
Patent document 2:Japanese Unexamined Patent Publication 2014-44355 bulletins
Invention content
Problems to be solved by the invention
If for example, removing resin base material in above-mentioned polarization plates, the polarizing film towards adhesive layer or adhesive phase has The tendency of rupture.
The purpose of the present invention is to provide a kind of manufacturing methods of laminated optical film, can manufacture a kind of stacking optics Film, the laminated optical film are removing one from having with the laminated optical film of multiple layers of optical film that can mutually remove Other layers are not easily broken when layering.
The means used to solve the problem
The present invention provides a kind of manufacturing method of laminated optical film, wherein will be with can mutually remove multiple layers First optical film, adhesive layer or adhesive phase and the second optical film on the direction that will link between a pair of of doubling roller according to The state of secondary arrangement imports between a pair of of the doubling roller rotated, to which the first optical film and the second optical film are bonded, institute In the manufacturing method for stating laminated optical film, in fitting, the width of adhesive layer or adhesive phase is the width of the first optical film More than, the position of the first optical film in the direction of the width be in adhesive layer or adhesive phase there are width within, the second light The width for learning film is the width of adhesive layer or adhesive phase or more, and the position of the second optical film of setting makes its interior packet adhesive layer Or adhesive phase there are width.
In this manufacturing method, the width of adhesive layer or adhesive phase is the with can mutually remove multiple layers More than the width of one optical film, and the position of the first optical film in the direction of the width is in depositing for adhesive layer or adhesive phase Within width.Therefore, when wanting from the first optics film stripping part layer in manufactured laminated optical film, remain on The layer of laminated optical film side is sufficiently maintained by adhesive layer or adhesive phase.Therefore, it according to the manufacturing method, can make Make a kind of laminated optical film, the laminated optical film is from having the stacking with multiple layers of the optical film that can mutually remove Other layers are not easily broken when optics film stripping part layer.
The manufacturing method may be following scheme:The width of the doubling roller of first optical film side is the width of the first optical film Degree or more, and the position of the first optical film in the direction of the width be in the doubling roller of the first optical film side there are width with It is interior.At this point, the entire scope in its width direction of the first optical film is pressed by doubling roller, thus, the first optical film and second The cementability or adhesiveness of optical film improve.
The manufacturing method may be following scheme:Make to have than the width bigger width of adhesive layer or adhesive phase Doubling roller and first of the mode of the width of packet adhesive layer or adhesive phase between the first optical film side within third optical film Between optical film.In previous manufacturing method, in fitting, bonding agent or adhesive are possible to from the width side of the first optical film To end overflow and be attached to doubling roller to pollute doubling roller, by making above-mentioned wider third optical film between, Thus, it is possible to prevent bonding agent or adhesive attachment in the doubling roller.
The manufacturing method can be following scheme:First optical film has resin base material and is set to the single side of resin base material Or two-sided optical functional layer, the resin base material and mutual width of optical functional layer is equal and both ends are aligned, configure the first optical film So that optical functional layer side, towards adhesive layer or adhesive phase side, the second optical film is protective film.At this point, resin base material and light The mutual width of functional layer is equal and both ends are aligned, thus, as the first optical film, the film thickness of the end of width direction is stablized.
In this manufacturing method, above-mentioned optical functional layer may be polarizing film, at this point, polarizing film may be to be coated on Resin base material is to scheme made of setting.
The present invention provides the manufacturing method of laminated optical film in another arrangement, wherein by resin base material, is set to resin Optical functional layer, adhesive layer or the adhesive phase and protective film of the single or double of base material are with will be between a pair of of doubling roller The state being arranged in order on the direction of connection imports between a pair of of the doubling roller rotated, thus by optical functional layer and protection Film is bonded, and in the manufacturing method of the laminated optical film, in fitting, the width of optical functional layer is less than the width of resin base material The width of degree, adhesive layer or adhesive phase is the width of optical functional layer or more, and less than the width of resin base material, optics The position of functional layer in the direction of the width be adhesive layer or adhesive phase there are width within, the position of resin base material is set Make its interior packet optical functional layer and adhesive layer or adhesive phase there are width, the width of protective film is adhesive layer or bonding It is more than the width of oxidant layer, the position of adhesive layer or adhesive phase in the direction of the width be in protective film there are width within.
In this manufacturing method, the width of adhesive layer or adhesive phase is the width of optical functional layer or more, and light Learn functional layer position in the direction of the width be in adhesive layer or adhesive phase there are width within.Therefore, wanting When removing resin base material or optical functional layer in manufactured laminated optical film, remain on the layer of laminated optical film side by bonding Oxidant layer or adhesive phase and fully kept.
Therefore, according to the manufacturing method, a kind of laminated optical film can be manufactured, the laminated optical film has from having Other layers are not easily broken when the laminated optical film of the optical film of resin base material and optical functional layer removes a part of layer.In addition, In the manufacturing method, the width of optical functional layer is less than the width of resin base material, and the position that resin base material is arranged makes in it Packet optical functional layer and adhesive layer or adhesive phase there are width, thus, it is possible to prevent bonding agent or adhesive attachment in The doubling roller of resin base material side.
The manufacturing method may be following scheme:The width of the doubling roller of resin base material side is the width of optical functional layer More than, and the position of optical functional layer in the direction of the width be in the doubling roller of resin base material side there are width within.This When, the entire scope in its width direction of optical functional layer is pressed by doubling roller, thus, optical functional layer or resin base material with The cementability or adhesiveness of protective film improve.
In this manufacturing method, above-mentioned optical functional layer can be polarizing film, at this point, polarizing film can be coated on resin Base material is to scheme made of setting.
Invention effect
According to the present invention it is possible to provide a kind of manufacturing method of laminated optical film, a kind of laminated optical film can be manufactured, The laminated optical film is a part of from the laminated optical film stripping having with multiple layers of the optical film that can mutually remove Other layers are not easily broken when layer.
Description of the drawings
Fig. 1 is the sectional view of the laminated optical film manufactured using the manufacturing method of first embodiment.
Fig. 2 is the figure for the manufacturing method for indicating first embodiment.
Fig. 3 is the III-III sectional views of Fig. 2, the figure of laminated arrangement when being the fitting for indicating first embodiment.
Fig. 4 is the sectional view of the laminated optical film manufactured using the manufacturing method of second embodiment.
Fig. 5 is the figure for the manufacturing method for indicating second embodiment.
Fig. 6 is the VI-VI sectional views of Fig. 5, the figure of laminated arrangement when being the fitting for indicating second embodiment.
Fig. 7 is the sectional view of the laminated optical film manufactured using the manufacturing method of third embodiment.
Fig. 8 is the figure of laminated arrangement when indicating the fitting of third embodiment.
Specific implementation mode
Hereinafter, the preferred embodiment of the present invention is described in detail with reference to attached drawing.It should be noted that in each figure In, same symbol is marked to a same part or considerable part, the repetitive description thereof will be omitted.In addition, the dimensional ratios of each attached drawing differ Fixed, the description especially for thickness, the width of film exaggerated consistent with actual size ratio.
< first embodiments >
(laminated optical film)
As shown in Figure 1, the laminated optical film 1A manufactured by manufacturing method by the laminated optical film of first embodiment In, the second optical film 3 is laminated in a face of the first optical film 2 by adhesive layer 5.First optical film 2 is with two layers, i.e., Resin base material 21 and be set to the resin base material 21 single side polarizing film 22, they can mutually be removed.
In first optical film 2, resin base material 21 is equal with 22 mutual width of polarizing film and both ends are aligned, and carries out configuration and makes 22 side of polarizing film of first optical film 2 is towards 5 side of adhesive layer.It should be noted that optical film each in the present specification is " wide Degree " refers to, in the manufacture of laminated optical film 1A, the extension in the direction vertical with direction of transfer and doubling roller of each optical film Width on direction.In addition, the relative size relationship (width relationship) of the width for each film, has used the table of " big " and " small " It states.
For laminated optical film 1A, remove resin base material 21, as have polarizing film 22 and the second optical film (=after The protective film stated) 3 polarization plates 10 are utilized.Polarization plates 10 as needed can after stripping 21 side of resin base material, Protective film, other optical films are newly arranged by adhesive layer, adhesive phase in two optical film sides 3.
Magnitude relationship, the position relationship following article of 5 mutual width of first optical film 2, the second optical film 3 and adhesive layer Described, central shaft of these layers in each width direction is roughly the same.That is, in sectional view shown in Fig. 1, stacking form is in substantially It is symmetrical.
Herein, the composition of each film and adhesive layer is illustrated.As the material of polarizing film 22, previous use can be used In the well known materials of manufacture polarization plates, for example, polyvinyl alcohol resin, vinylite, ethylene/acetic acid Vinyl acetate (EVA) resin, polyamide, polyester based resin etc..Wherein, preferred polyvinyl alcohol resin.By to these materials Material carries out stretch processing, then implements the dyeing based on iodine or dichroic dye and boric acid processing, can obtain membranaceous Polarizing film 22.It can be using laminated body made of the single or double for fitting in resin base material 21 by adhesive as the first optics Film 2.
In addition, the forming method as polarizing film 22, can will dissolve the coating liquid of the material of polarizing film 22 in resin The single or double of base material 21 is applied with film-form (membranaceous), is dried, and is then stretched together with resin base material 21 Processing carries out the dyeing based on iodine or dichroic dye and boric acid processing.Later, it can be cut together with resin base material 21 At arbitrary size as the first optical film 2.
Stretch processing method can be enumerated:(film direction of transfer) is stretched along film length direction longitudinal stretching, along film Cross directional stretch that width direction is stretched or oblique extension etc..As longitudinal stretching mode, stretching, compression between roller can be enumerated Stretch etc., as cross directional stretch mode, tenter frame process etc. can be enumerated.For stretch processing, moistening drawing process, dry type Drawing process may be used, it is preferable to use dry-stretch process from the viewpoint of it can select draft temperature from wide scope.
The thickness of polarizing film 22 is preferably 2~75 μm, more preferably 2~50 μm, further preferably 2~30 μm.
Resin base material 21 has the function of as with the supporter of (membranaceous) the coating polarizing film 22 of film-form and to inclined It shakes the effect that the surface of piece 22 protected, various resin materials can be used.As the material of resin base material 21, such as can be with It is resin, polypropylene-based resin, polycarbonate-based resin to enumerate polyethylene terephthalate (PET).
The thickness of resin base material 21 is preferably 20~500 μm, more preferably 30~300 μm, further preferably 50~200 μm。
Second optical film 3 is protective film 3 herein.
Protective film 3 be the interarea for preventing polarizing film 22, the crackle of end, scuffing film.Here, " protective film " refers to, It can be laminated among the various films of polarizing film 22, the direct laminated film by bonding agent.
Protective film 3 can be made of known various transparent resin films in polarization plates field.For example, with triacetyl fiber Element is the cellulose-based resin of typical example, using polypropylene-based resin as the polyolefin-based resins of typical example, with orbornene-based tree Fat is the annular ethylene series resin of typical example, using polymethyl methacrylate system resin as the acrylic resin of typical example, with PET series resin is the polyester based resin etc. of typical example.Wherein, typically cellulose-based resin.
As protective film 3, it can be the film without optical function, can also be that phase difference film, brightness enhancement film etc have both The film of optical function.
The thickness of protective film 3 is preferably 5~90 μm, more preferably 5~80 μm, further preferably 5~50 μm.
As the bonding agent for forming adhesive layer 5, the previous various bonding agents for manufacturing polarization plates can be used.Example Such as, from viewpoints such as weatherability, refractive index, cationically polymerizables, preferably intramolecular is free of the epoxy resin of aromatic ring.In addition, It is preferred that cured bonding agent can occur under the irradiation of active energy beam (ultraviolet light or heat ray).
As epoxy resin, such as preferred hydrogenated epoxy resin, alicyclic epoxy resin, aliphatic epoxy resin etc..It can With to epoxy resin addition polymerization initiator, (such as light cationic polymerization for being polymerize under being irradiated in ultraviolet light causes Agent, the hot cationic polymerization for being polymerize under being irradiated in heat ray) and other additives (sensitizer etc.) and Coating is made with composition epoxy resin to be used.
In addition, as bonding agent, acrylamide, acrylate, urethane acrylate, epoxy third can also be used The water system bonding agent of the acrylic resins such as olefin(e) acid ester, polyethenol series.
Polarization plates 10 fit in the single or double of the displays such as liquid crystal cells unit (image-displaying member).Polarization plates can To further include other optical layers being laminated on protective film.As other optical layers, can enumerate:Transmit certain polarised light And the reflective polarizing film of reflection display and the polarised light of the polarised light opposite nature;Have the band of concaveconvex shape anti-dazzle on surface The film of function;The film of belt surface anti-reflective function;There is the reflectance coating of reflection function on surface;Have both reflection function and transmission work( The Transflective film of energy;Field angle compensation film etc..
Thickness by this two layers polarization plates 10 formed of polarizing film 22 and protective film 3 is preferably 10~500 μm, more preferably 10~300 μm, further preferably 10~200 μm.
(manufacturing method of laminated optical film)
As the manufacturing method of laminated optical film 1A, as shown in Figures 2 and 3, by the first optical film 2, adhesive layer 5 and protect The state being arranged in order on the direction linked between a pair of of doubling roller 7a, 7b to be imported a pair of of the fitting rotated by cuticula 3 Between roller 7a, 7b, to which the first optical film 2 and protective film 3 are bonded.
Herein, the polarizing film 22 in the first optical film 2 provides as follows:Coated on resin base material 21 and after drying, together with tree Aliphatic radical material 21 carries out stretch processing together, implements the dyeing based on iodine or dichroic dye and boric acid processing, is washed, done After dry, cut width direction end and make that resin base material 21 is equal with 22 mutual width of polarizing film, both ends are aligned, thus into Row provides, and for adhesive layer 5, adhesive layer 5 is thus provided by being coated on protective film 3.It should be noted that Fig. 2 In the diagram of adhesive layer 5 is omitted.
First optical film 2 and protective film 3 are laminated and form laminated body 4A, laminated body 4A is passing through adhesive layer 5 later It is cured, is thus completed as laminated optical film 1A shown in FIG. 1.
The existing forms of each component when to fitting illustrate.As shown in figure 3, each film between a pair of of doubling roller 7a, 7b, The width of adhesive layer 5 meets relationship below.It should be noted that in figure 3, it, will in order to make attached drawing become easy observation Doubling roller 7a, 7b are described from laminated body 4A separation.
In fitting,
The width W of adhesive layer 5AFor the width W of the first optical film 21More than.(WA≥W1)
The position of first optical film 2 in the direction of the width be in adhesive layer 5 there are width WAWithin.
The width W of protective film 32For the width W of adhesive layer 5AMore than.(W2≥WA)
Be arranged protective film 3 position make its interior packet adhesive layer 5 there are width WA。
Here, " interior packet " refers to, in the direction of the width, the position at the both ends of a component is in two with another component The identical position in position of end or the position in outside.
In addition, the manufacturing method of first embodiment also meets relationship below, but not necessarily important document.
The width W of the doubling roller 7a of first optical film, 2 sideR1Equal to the width W of the doubling roller 7b of 3 side of protective filmR2。(WR1 =WR2)
The width W of the doubling roller 7a of first optical film, 2 sideR1For the width W of the first optical film 21More than.(WR1≥W1)
The position of first optical film 2 in the direction of the width be in the doubling roller 7a of 2 side of the first optical film there are width WR1Within.
The width W of the doubling roller 7b of 3 side of protective filmR2More than the width W of adhesive layer 5A。(WR2> WA)
The position of the doubling roller 7b of 3 side of protective film, which is arranged, makes packet adhesive layer 5 in its position in the direction of the width There are width WA。
The width W of the doubling roller 7b of 3 side of protective filmR2More than the width W of protective film 32。(WR2> W2)
The position of the doubling roller 7b of 3 side of protective film, which is arranged, makes depositing for packet protective film 3 in its position in the direction of the width In width W2。
Here, " width of doubling roller " refers to, it is identical as the part maintenance of effective contact surface of fitting is contributed to straight The full width of the part extended to diameter.For example, doubling roller 7a, 7b end side there are width direction a part contract In the case of part of the diameter to not contacted with the first optical film 2 or protective film 3, by the width of the part after removing diameter shrinkage part Full width as doubling roller 7a, 7b.
From the viewpoint of so that the first optical film 2 is more firmly held in adhesive layer 5, the width W of adhesive layer 5AIt is excellent Width W of the choosing more than the first optical film 21(WA> W1).At this point, the width W of adhesive layer 5AIt is preferred that wider than the first optical film 2 Spend W1Big 0.5~100mm, more preferable big 1~50mm.In addition, from the sight for making adhesive layer 5 more firmly be held in protective film 3 Point sets out, the width W of protective film 32The preferably greater than width W of adhesive layer 5A(W2> WA)。
In this manufacturing method, the width W of adhesive layer 5AFor with the resin base material 21 and polarization that can mutually remove The width W of first optical film 2 of piece 221More than, and the position of the first optical film 2 in the direction of the width is in adhesive layer 5 There are width WAWithin.Therefore, wanting to remove resin base material from the first optical film 2 in manufactured laminated optical film 1A When 21, the layer (polarizing film 22) for remaining on the sides laminated optical film 1A is fully kept by adhesive layer 5.Therefore, pass through The laminated optical film 1A of manufacturing method manufacture when removing resin base material 21 is not easy that polarizing film 22 is made to rupture.
In addition, the position of the first optical film 2 in the direction of the width be in the doubling roller 7a of 2 side of the first optical film there are wide Spend WR1Within, thus, first its width of optical film 2 W1Entire scope on direction is pressed by doubling roller, the first optical film 2 with The cementability of protective film 3 improves.
In addition, the resin base material 21 for constituting the first optical film 2 is equal with 22 mutual width of polarizing film and both ends are aligned, because And as the first optical film 2, the film thickness of the end of width direction is stablized.
It should be noted that in the first embodiment, the width W of the doubling roller 7a of 2 side of the first optical film is shownR1 Equal to the width W of the doubling roller 7b of 3 side of protective filmR2Scheme, but their width can also be different.As long as in addition, can fill Divide the fitting for carrying out the first optical film 2 and protective film 3, then can freely change their width.
< second embodiments >
Hereinafter, being illustrated to second embodiment of the present invention.The main pair of difference from first embodiment carries out Explanation.
(laminated optical film)
As shown in figure 4, in laminated optical film 1B by the manufacturing method manufacture of the laminated optical film of second embodiment, 21 side of resin base material is laminated with third optical film 6 among the first optical film 2.
Herein, third optical film 6 is temporary protective film 6.
Temporary protective film 6 is the film for preventing bonding agent to be attached to doubling roller, and is that protection is laminated with interim protection Film of the surface of the component (being herein the first optical film 2) of film 6 from damage, abrasion etc..As the material of temporary protective film 6, Material same as said protection film can be used, wherein preferred polyethylene terephthalate, poly- naphthalenedicarboxylic acid ethylene glycol The polyester based resins such as ester, polyethylene glycol isophthalate, polybutylene terephthalate (PBT).
Temporary protective film 6 other than the film as base material can also be laminated in the film surface with weak cementability Adhesive phase.
The thickness of temporary protective film 6 is preferably 5~200 μm, more preferably 5~100 μm, further preferably 5~50 μm.
(manufacturing method of laminated optical film)
As the manufacturing method of laminated optical film 1B, as shown in Figure 5 and Figure 6, by the first optical film 2, adhesive layer 5 and protect The state being arranged in order on the direction linked between a pair of of doubling roller 7a, 7b to be imported a pair of of the fitting rotated by cuticula 3 Between roller 7a, 7b, to which the first optical film 2 and protective film 3 are bonded.At this point, temporary protective film 6 is made to sandwich the first optical film 2 Between the doubling roller 7a of side and the first optical film 2.
First optical film 2, protective film 3 and temporary protective film 6 are laminated and form laminated body 4B, laminated body 4B leads to later It crosses adhesive layer 5 to be cured, thus be completed as laminated optical film 1B shown in Fig. 4.
The existing forms of each component when to fitting illustrate.As shown in fig. 6, each film between a pair of of doubling roller 7a, 7b, The width of adhesive layer meets relationship below.
It should be noted that in figure 6, for the ease of observing attached drawing, doubling roller 7a, 7b are carried out from laminated body 4B separation Describe.
The width W of adhesive layer 5AFor the width W of the first optical film 21More than.(WA≥W1)
The position of first optical film 2 in the direction of the width be in adhesive layer 5 there are width WAWithin.
The width W of protective film 32For the width W of adhesive layer 5AMore than.(W2≥WA)
Be arranged protective film 3 position make its interior packet adhesive layer 5 there are width WA。
The width W of temporary protective film 63With the width W more than adhesive layer 5AWidth.(W3> WA)
The position of temporary protective film 6, which is arranged, makes the width W of its interior packet adhesive layer 5A。
In the width W of adhesive layer 5AMore than the width W of the first optical film 21When, preferably big 0.5~100mm is more preferably big 1~50mm.
It should be noted that the width of protective film 3 and the magnitude relationship of the width of temporary protective film 6 are arbitrary.
In addition, the manufacturing method of second embodiment also meets relationship below, but not necessarily important document.
The width W of the doubling roller 7a of first optical film, 2 sideR1Equal to the width W of the doubling roller 7b of 3 side of protective filmR2。(WR1 =WR2)
The width W of the doubling roller 7a of first optical film, 2 sideR1For the width W of the first optical film 21More than.(WR1≥W1)
The position of first optical film 2 in the direction of the width be in the doubling roller 7a of 2 side of the first optical film there are width WR1Within.
The width W of the doubling roller 7b of 3 side of protective filmR2More than the width W of adhesive layer 5A。(WR2> WA)
The position of the doubling roller 7b of 3 side of protective film, which is arranged, makes packet adhesive layer 5 in its position in the direction of the width There are width WA。
The width W of the doubling roller 7b of 3 side of protective filmR2More than the width W of protective film 32。(WR2> W2)
The position of the doubling roller 7b of 3 side of protective film, which is arranged, makes depositing for packet protective film 3 in its position in the direction of the width In width W2。
In the manufacturing method of first embodiment, in fitting, bonding agent is from the end of the width direction of the first optical film 2 It overflows and is attached to doubling roller 7a in portion, it is possible to doubling roller 7a is polluted, according to the manufacturing method of the second embodiment, by making Wider temporary protective film 6 between, can prevent bonding agent to be attached to doubling roller 7a.
It should be noted that in this second embodiment, showing the width W of the doubling roller 7a of 2 side of the first optical filmR1 Equal to the width W of the doubling roller 7b of 3 side of protective filmR2Scheme, with first embodiment the case where is same, their width can be with Carry out various changes.
(variations of the first and second embodiments)
Above-mentioned first and second embodiment can be implemented as following scheme.I.e., it is possible to be set as following scheme:The One optical film 2 is the laminated optical film 1A manufactured using the manufacturing method of first embodiment, and the second optical film 3 is spacer, They are bonded instead of bonding agent using adhesive.At this point, being completed in the 3 side lamination spacer of protective film of laminated optical film 1A Laminated optical film become interband spacing body polarization plates.Hereinafter, being illustrated to the program.
Adhesive phase is the layer functioned when polarization plates are fitted in other article (such as liquid crystal cells).Adhesive Layer can be made of acrylic resin, silicone-based resin, polyester, polyurethane, polyethers etc..
The thickness of adhesive phase is preferably 2~500 μm, more preferably 2~200 μm, further preferably 2~50 μm.
As the method that adhesive phase is laminated in polarization plates, such as can be that coating includes above-mentioned tree in polarization plates Fat, optional adding ingredient solution method, or formed after adhesive phase on spacer and be laminated in partially with the solution The method of vibration plate.
Spacer is for the purpose of protecting adhesive phase, the attachment for preventing foreign matter etc. and the strippable film of fitting, inclined It is stripped when the use of vibration plate and adhesive phase is made to expose.Spacer for example can by polyethylene etc polyethylene-based resin, The compositions such as the polyester based resin of the polypropylene-based resin of polypropylene, polyethylene terephthalate etc.Wherein, preferably The stretched film of polyethylene terephthalate.
It, can be to be contacted with adhesive phase in order to be easily peeled off in the use of polarization plates for spacer Face implement based on silicones etc. demoulding processing.
The thickness of spacer is preferably 10~500 μm, more preferably 10~300 μm, further preferably 10~200 μm.
Even said program, also can be using effect same as the above embodiment and when removing resin base material 21 Prevent polarizing film 22 from rupturing.
< third embodiments >
Hereinafter, being illustrated to third embodiment of the present invention.The main pair of difference from first embodiment carries out Explanation.
(laminated optical film)
As shown in fig. 7, in laminated optical film 1C by the manufacturing method manufacture of the laminated optical film of the 4th embodiment, In the first optical film 2, resin base material 21 and the width of polarizing film 22 are inconsistent, and the width of resin base material 21 is more than polarizing film 22 Width.
In addition, resin base material 21, the magnitude relationship of 5 mutual width of polarizing film 22, protective film 3 and adhesive layer, position Relationship is as described below, and central shaft of these layers in each width direction is roughly the same.That is, in sectional view shown in Fig. 7, stacking Form is in substantially symmetrical.
(manufacturing method of laminated optical film)
As the manufacturing method of laminated optical film 1C, as shown in Figure 2 and Figure 8, by resin base material 21, polarizing film 22, bonding Oxidant layer 5 and protective film 3 are to rotate importing the state being arranged in order on the direction linked between a pair of of doubling roller 7a, 7b Between a pair of of doubling roller 7a, 7b, to which polarizing film 22 and protective film 3 are bonded.
Herein, the polarizing film 22 in the first optical film 2 provides as follows:The only width direction central portion of application of resin base material 21 Without apply both ends, be then dried, together with resin base material 21 carry out stretch processing after, implement based on iodine or two to The dyeing of color dyestuff and boric acid processing, are washed, are dried, thus provided.
Resin base material 21, polarizing film 22 and protective film 3 are laminated and form laminated body 4C, laminated body 4C is later by viscous It connects oxidant layer 5 to be cured, thus be completed as laminated optical film 1C shown in Fig. 7.
The existing forms of each component when to fitting illustrate.As shown in figure 8, each film between a pair of of doubling roller 7a, 7b, The width of adhesive layer 5 meets relationship below.It should be noted that in fig. 8, for the ease of observing attached drawing, by doubling roller 7a, 7b are described from laminated body 4C separation.
The width W of polarizing film 2212Less than the width W of resin base material 2111。(W11> W12)
The width W of adhesive layer 5AFor the width W of polarizing film 2212More than, and less than the width W of resin base material 2111。 (W11> WA≥W12)
The position of polarizing film 22 in the direction of the width be in adhesive layer 5 there are width WAWithin.
Be arranged resin base material 21 position make its interior packet polarizing film 22 there are width W12With adhesive layer 5 there are wide Spend WA。
The width W of protective film 32For the width W of adhesive layer 5AMore than.(W2≥WA)
The position W of adhesive layer 5 in the direction of the widthAIn protective film 3, there are width W2Within.
The width W of adhesive layer 5AMore than the width W of polarizing film 2212In the case of, preferably big 0.5~100mm, more preferably Big 1~50mm.
It should be noted that the width W of resin base material 2112With the width W of protective film 32Magnitude relationship be arbitrary.
In addition, the manufacturing method of the 4th embodiment also meets relationship below, but not necessarily important document.
The width W of the doubling roller 7a of first optical film, 2 sideR1Equal to the width W of the doubling roller 7b of 3 side of protective filmR2。(WR1 =WR2)
The width W of the doubling roller 7a of first optical film, 2 sideR1For the width W of resin base material 2111With the width of polarizing film 22 Spend W12More than.(WR1≥W11And WR1≥W12)
The position of resin base material 21 and polarizing film 22 in the direction of the width is in the doubling roller 7a of 2 side of the first optical film There are width WR1Within.
The width W of the doubling roller 7b of 3 side of protective filmR2More than the width W of adhesive layer 5A。(WR2> WA)
The position of the doubling roller 7b of 3 side of protective film, which is arranged, makes packet adhesive layer 5 in its position in the direction of the width There are width WA。
The width W of the doubling roller 7b of 3 side of protective filmR2More than the width W of protective film 32。(WR2> W2)
The position of the doubling roller 7b of 3 side of protective film, which is arranged, makes depositing for packet protective film 3 in its position in the direction of the width In width W2。
From the viewpoint of polarizing film 22 is more firmly held in adhesive layer 5, the width W of adhesive layer 5AIt is preferred that big In the width W of polarizing film 2212(WA> W12).In addition, from the viewpoint of adhesive layer 5 is more firmly held in protective film 3, The width W of protective film 32The preferably greater than width W of adhesive layer 5A(W2> WA)。
In this manufacturing method, the width W of adhesive layer 5AMore than the width for polarizing film 22, and polarizing film 22 is in width Degree direction on position be in adhesive layer 5 there are width WAWithin.Therefore, wanting in manufactured laminated optical film 1C Middle when removing resin base material 21, the layer (polarizing film 22) for remaining on the sides laminated optical film 1C is abundant by adhesive layer 5 It keeps.Therefore, according to the manufacturing method, the laminated optical film that other layers are not easily broken when removing resin base material 21 can be manufactured 1C。
In addition, in this manufacturing method, the width W of polarizing film 2212Less than the width W of resin base material 2111, and be arranged The position of resin base material 21 make its interior packet polarizing film 22 there are width W12There are width W with adhesive layer 5A, thus, it is possible to Bonding agent is prevented to be attached to the doubling roller 7a of 21 side of resin base material.In the width W of doubling roller 7aR1Less than the width of resin base material 21 W11And the position that resin base material 21 is set make its interior packet doubling roller 7a there are width WR1In the case of, can further it prevent Only bonding agent is attached to doubling roller 7a.
According to the respective embodiments described above, the stacking optics that other layers when removing resin base material 21 are not easily broken can be manufactured Film 1A~1C.If in the first optical film 2 including polarizing film 22, since the intensity of polarizing film 22 is easy less than other composition films It generates and scratches, ruptures, therefore, when removing resin base material 21, the part (especially end) of polarizing film 22 easy tos produce rupture.This In the case of embodiment, the layer (polarizing film) for remaining on laminated optical film side is fully kept by adhesive layer 5, because This can also be filled in the case of in even the first optical film 2 including the low polarizing film 22 of intensity when removing resin base material 21 Divide the generation for inhibiting rupture.
More than, the preferred embodiment of the present invention is illustrated, but the present invention is not appointed by the above embodiment What is limited.
For example, in the respective embodiments described above, show that the single side in resin base material 21 applies the scheme of polarizing film 22, but The two-sided of resin base material 21 can also be coated on by being polarizing film 22.At this point, after manufacturing laminated optical film 1A~1C, it can be by face It is removed between the polarizing film 22 and resin base material 21 of adhesive layer 5, it thus will be in the remaining polarization in 21 side of resin base material Piece is for manufacturing another polarization plates.
In addition, in the respective embodiments described above, using the first optics of the single side setting polarizing film 22 in resin base material 21 The example of film is illustrated, but the optics different from polarizing film 22 can also be arranged in the single or double of resin base material 21 Functional layer.As the optical functional layer other than polarizing film 22, phase separation layer, field angle compensation layer etc. can be enumerated, can be passed through The liquid for dissolving or being dispersed with the material with objective optics function is applied on resin base material 21, is dried, is thus set It sets.Also, when removing resin base material 21, the rupture of optical functional layer can be prevented.
Symbol description
1A~1C ... laminated optical films, 2 ... first optical films, 3 ... protective films (the second optical film), 4A~4C ... stackings Body, 5 ... adhesive layers, 6 ... temporary protective films (third optical film), the first optical films of 7a ... side doubling roller, 7b ... protective films The doubling roller of side, 10 ... polarization plates, 21 ... resin base materials, 22 ... polarizing films, W1... width, the W of the first optical film11... resin base Width, the W of material12... width, the W of polarizing film2... width, the W of protective film3... width, the W of temporary protective filmA... adhesive layer Width, WR1... width, the W of the doubling roller of the first optical film sideR2... the width of the doubling roller of protective film side.

Claims (10)

1. a kind of manufacturing method of laminated optical film, wherein will be with multiple layers of the first optical film that can mutually remove, viscous Oxidant layer or adhesive phase and the second optical film are connect to be led by the state being arranged in order on the direction linked between a pair of of doubling roller Between entering the pair of doubling roller rotated, to which first optical film and second optical film are bonded,
In the manufacturing method of the laminated optical film,
In fitting,
The width of the adhesive layer or described adhesive layer is the width of first optical film or more,
The position of first optical film in the direction of the width be in the adhesive layer or described adhesive layer there are width Within,
The width of second optical film is the width of the adhesive layer or described adhesive layer or more,
Be arranged second optical film position make the packet adhesive layer in it or described adhesive layer there are width.
2. the manufacturing method of laminated optical film as described in claim 1, wherein
The width of the doubling roller of first optical film side is the width of first optical film or more,
The position of first optical film in the direction of the width be in the doubling roller of first optical film side there are wide Within degree.
3. the manufacturing method of laminated optical film as claimed in claim 1 or 2, wherein
Make to have described more viscous than wrapping within the third optical film of the adhesive layer or the width bigger width of described adhesive layer Connect the doubling roller and first light of the mode of the width of oxidant layer or described adhesive layer between first optical film side Between film.
4. the manufacturing method of laminated optical film according to any one of claims 1 to 3, wherein
First optical film has the optical functional layer of resin base material and the single or double for being set to the resin base material,
Width is equal each other and both ends are aligned for the resin base material and the optical functional layer,
First optical film, which is arranged, makes the optical functional layer side towards the adhesive layer or described adhesive layer side,
Second optical film is protective film.
5. the manufacturing method of laminated optical film as claimed in claim 4, wherein
The optical functional layer is polarizing film.
6. the manufacturing method of laminated optical film as claimed in claim 5, wherein
The polarizing film is coated on the resin base material to made of setting.
7. a kind of manufacturing method of laminated optical film, wherein by resin base material, be set to the single or double of the resin base material Optical functional layer, adhesive layer or adhesive phase and protective film on the direction that will link between a pair of of doubling roller successively The state of arrangement imports between the pair of doubling roller rotated, to paste the optical functional layer and the protective film It closes,
In the manufacturing method of the laminated optical film,
In fitting,
The width of the optical functional layer is less than the width of the resin base material,
The width of the adhesive layer or described adhesive layer is the width of the optical functional layer less than the resin The width of base material,
The position of the optical functional layer in the direction of the width be in the adhesive layer or described adhesive layer there are width Within,
The position of the resin base material, which is arranged, to be made to wrap the optical functional layer and the adhesive layer or described adhesive layer in it There are width,
The width of the protective film is the width of the adhesive layer or described adhesive layer or more,
The position of the adhesive layer or described adhesive layer in the direction of the width be in the protective film there are width within.
8. the manufacturing method of laminated optical film as claimed in claim 7, wherein
The width of the doubling roller of the resin base material side is the width of the optical functional layer or more,
The position of the optical functional layer in the direction of the width be in the doubling roller of the resin base material side there are width Within.
9. the manufacturing method of laminated optical film as claimed in claim 7 or 8, wherein
The optical functional layer is polarizing film.
10. the manufacturing method of laminated optical film as claimed in claim 9, wherein
The polarizing film is coated on the resin base material to made of setting.
CN201780012810.0A 2016-02-25 2017-02-21 Method for manufacturing laminated optical film Active CN108700695B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113167955A (en) * 2018-11-28 2021-07-23 富士胶片株式会社 Method for manufacturing optical laminated film roller and optical laminated film roller

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6641338B2 (en) * 2017-11-02 2020-02-05 積水化学工業株式会社 Laminated film and method for producing laminated film
JP6893292B1 (en) 2020-12-15 2021-06-23 住友化学株式会社 Polarizing film manufacturing method and manufacturing equipment

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100494257C (en) * 2004-09-27 2009-06-03 日东电工株式会社 Production method of film laminates and production apparatus used therein
JP2013160885A (en) * 2012-02-03 2013-08-19 Sumitomo Chemical Co Ltd Method for manufacturing polarizing laminated film and method for manufacturing polarizing plate
TW201341168A (en) * 2012-02-03 2013-10-16 Sumitomo Chemical Co Polarizing laminated film and manufacturing method thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3982387B2 (en) * 2002-11-06 2007-09-26 住友化学株式会社 Production method of functional film with pressure sensitive adhesive
JP4182248B2 (en) * 2002-12-03 2008-11-19 住友化学株式会社 Method for producing functional film with pressure sensitive adhesive
JP2011161887A (en) * 2010-02-15 2011-08-25 Nippon Zeon Co Ltd Roll body of long film
JP6006933B2 (en) * 2011-12-06 2016-10-12 日東電工株式会社 Method for producing laminated film
CN104081232B (en) * 2012-02-01 2017-09-01 住友化学株式会社 The manufacture method of polarizability stacked film and the manufacture method of polarization plates
JP6045161B2 (en) * 2012-03-07 2016-12-14 日東電工株式会社 Manufacturing method of polarizing plate
JP6422389B2 (en) * 2015-04-10 2018-11-14 新潟トランシス株式会社 Emergency button malfunction prevention cover and emergency button

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100494257C (en) * 2004-09-27 2009-06-03 日东电工株式会社 Production method of film laminates and production apparatus used therein
JP2013160885A (en) * 2012-02-03 2013-08-19 Sumitomo Chemical Co Ltd Method for manufacturing polarizing laminated film and method for manufacturing polarizing plate
TW201341168A (en) * 2012-02-03 2013-10-16 Sumitomo Chemical Co Polarizing laminated film and manufacturing method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113167955A (en) * 2018-11-28 2021-07-23 富士胶片株式会社 Method for manufacturing optical laminated film roller and optical laminated film roller
CN113167955B (en) * 2018-11-28 2023-02-21 富士胶片株式会社 Method for manufacturing optical laminated film roller and optical laminated film roller

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