ADHESIVE COMPOSITION

The application a in one example, the application is adhesive compositions are disclosed. Said at least one block copolymer adhesive composition can. The application terms in 'block copolymer' is, blocks of different polymerized monomers including means (blocks of different polymerized monomers) can be a copolymer.

Said block copolymer is, number 1 block and a glass transition temperature of at least a glass transition temperature of 50 °C -10 °C hereinafter can be in block number 2. In the application, block copolymer constituting a block 'glass transition temperature' is, the monomers making formed from polymers formed of only block means a glass transition temperature can be measured.

In one example, said number 1 block glass transition temperature 50 °C or more, 60 °C or more, 70 °C or more, 80 °C greater than or 90 °C implementation being or more. Glass transition temperature of not one but said number 1 block upper limit are specially number, e.g. implementation being 200 °C hereinafter.

In one example, said number 2 block glass transition temperature -10 °C hereinafter, -20 °C hereinafter, -30 °C hereinafter, -40 °C hereinafter or implementation being -50 °C hereinafter. Glass transition temperature of not one but said number 2 block limit are specially number, e.g. be a -80 °C or more.

2 Satisfying the glass transition temperature range including the application of said flip-copolymers, adhesive number in fine phase separation structure can be formed. The block copolymer is temperature change the distances exhibit stress-relieving cohesion, interface adhesion, durability reliability, light leak prevention properties, such as optical film in the whole properties required workability and re form an adhesive number 430.

In one example, a number average molecular weight (Mn: Number Average Molecular Weight) said number 1 of block copolymers of the 2,500 to 150,000 horizontal block may be in the range disclosed. The number average molecular weight of block number 1, for example, monomer is polymerized to form blocks said number 1 and number tank only be a number average molecular weight of the polymer. In the application, the number average molecular weight (Mn), for example, GPC (Gel Permeation Chromatograph) in number in the embodiment using [...] can be measured according to method. More specifically, the number average molecular weight of block number 1, for example, 5,000 or 10,000 to 50,000 to 100,000 range may be in the range disclosed.

In one example, a number average molecular weight (Mn) and weight average molecular weight of said number 1 block (Mw) ratio (Mw/Mn), i.e. molecular weight distribution (PDI=Mw/Mn) is 1. 0 To 3. 0 May be in the range disclosed. More specifically, the molecular weight distribution of block number 1 in a lower limit 1, 0 or more, 1. 1 Or more, 1. 2 Or more, 1. 3 Or more may be, its upper limit is 3. 0 Hereinafter, 2. 0 Hereinafter, or 1. 5 Hereinafter implementation being.

In one example, the block copolymer is said may have number average molecular weight of 50,000 to 500,000. More specifically, the number average molecular weight of 100,000 or more block copolymer, 130,000 or more, 180,000 or more may be 150,000 or more, its upper limit is 300,000 hereinafter, 250,000 hereinafter, 230,000 hereinafter, 200,000 hereinafter, or 180,000 hereinafter implementation being 150,000 hereinafter.

In one example, the molecular weight distribution of said block copolymer (PDI=Mw/Mn) is 1. 0 To 2. 5 Can be in the range of. More specifically, the lower limit of said block copolymer molecular weight distribution, e.g., 1. 3 Or more, 1. 4 Or more, 1. 5 Or more, 1. 6 Or more, 1. 7 Or more, or 1. 8 Or more may be, for example an upper limit thereof, 2. 5 Hereinafter, 2. 4 Hereinafter, 2. 3 Hereinafter, 2. 2 Hereinafter, 2. 1 Hereinafter, or 2. 0 Hereinafter implementation being.

The molecular weight of the block copolymer is regulated in the range when said properties, optical film adhesion required number in an interfacial adhesion, durability reliability, light leak prevention properties and re-workability can be such as to maintain good physical properties.

Said block copolymer can be crosslinkable functional crosslinkable copolymer. One example of cross-linkable functional group is hydroxy, carboxyl, epoxy, isocyanate or nitrogen-containing functional group at the time of knows sprouting, example is cited.

When cross-linkable functional group including, said block or the functional group has either one of block number 1 number 2 block, number 1 and number 2 block both can be included.

In one example, can be included in the functional group has cross-linkable block number 2. In this case, the functional group has not included a block is assigned a number 1 and said crosslinkable, only block number 2 can be included. When the crosslinkable functional group included in a block number 2, exhibiting temperature change the distances cohesion and stress relaxation and, interface adhesion, durability reliability, light leak prevention characteristics consisting of a number and an adhesive to maintain good workability and re number can be [...].

Said glass transition temperature range referred to are located, and molecular weight range if so, particularly of the type number is not one of the monomers making up block number 2 number 1 block.

In one example (meta) acrylic acid esters in said number 1 block is polymerization of the monomers can be a disclosed. More specifically, (meta) acrylic acid ester monomer polymerized units derived from said number 1 block is can be. The application is included in the monomers in the polymer or block polymer units that, through the backbone of the polymer or a block polymerization monomer is, for example, is formed of a main chain or side chains can be meaning. (Meta) acrylic acid ester monomer for forming said number 1 block include, for example, alkyl (meth) acrylate can be used. In one example, cohesion, such as glass transition temperatures and pressure control when considered, 1 to 20 carbon atoms, 1 to 16 carbon atoms, 1 to 12 carbon atoms, alkyl having 1 to 4 carbon atoms or 1 to 8 carbon atoms alkyl (meth) acrylate can be used in the formation block number 1. Examples of such monomers methyl (meth) acrylate, ethyl (meth) acrylate, n - propyl (meta) acrylate, isopropyl (meth) acrylate, n - butyl (meth) acrylate, butyl (meth) acrylate t -, sec - butyl (meth) acrylate, neopentyl (meta) acrylate, 2 - ethylhexyl (meth) acrylate, 2 - ethyl butyl (meth) acrylate, n - octyl (meta) acrylate, isobornyl (meth) acrylate, octyl isocyanate (meta) acrylate, nonyl (meth) acrylate such as isocyanate (meta) acrylate and it will soak cited, for said glass transition temperature range, said at least one number 1 blocking monomer can be used.

In one example, ease of taking into account the glass transition temperature, 1 to 20 carbon atoms, 1 to 16 carbon atoms, 1 to 12 carbon atoms, alkyl of 1 to 4 carbon atoms or 1 to 8 carbon atoms having alkyl methacrylate can be used. Particularly number but not relayed, taking into account the polymerization reactivity, e.g. said number 1 block is, 1 to 3 carbon atoms having 60 to 80 parts by weight of interpolymerized units derived from alkyl alkyl methacrylate, 20 to 40 parts by weight of alkyl methacrylate having 4 to 10 carbon atoms and alkyl group comprising interpolymerized units derived from can be. The application terms in 'parts by weight' is, in a weight ratio of each component can be means. For example, 1 to 3 alkyl carbon atoms number 1 block having 4 to 10 carbon atoms (A) 60 to 80 parts by weight of alkyl methacrylate having an alkyl methacrylate (B) 20 to 40 parts by weight of alkyl comprising interpolymerized units derived from frames are, number 1 (A) and the monomer units forming the polymer block (B) is 60 to a weight ratio of when 80:20 to 40 can be in the range of the graphics.

In one example, polymerization of the monomers (meta) acrylic ester said number 2 block is can be a disclosed. Specifically, (meta) acrylic acid ester monomer polymerized units derived from said number 1 block is, comprising interpolymerized units derived from a copolymerizable monomer having a functional group crosslinkable can be. The content of monomers used to form blocks number 2 but not one specifically number, e.g., (meth) acrylic acid ester monomer said number 2 block is 80 to 99. 9 Parts by weight of a copolymerizable monomer having a functional group crosslinkable 0. 1 To 20 parts by weight can be comprising interpolymerized units derived from.

In one example, ease of taking into account the glass transition temperature, said (meth) acrylic acid ester monomer described in, 1 to 20 carbon atoms, 1 to 16 carbon atoms, 1 to 12 carbon atoms, alkyl of 1 to 4 carbon atoms or 1 to 8 carbon atoms having alkyl acrylate is number 2 can be used for blocking. It is specially number but not, to polymerization reactive polarity, said number 2 block is, 1 or 4 carbon alkyl acrylate group of 80 to 99. 9 Parts by weight, a copolymerizable monomer having a functional group crosslinkable and 0. 1 To 20 parts by weight can be comprising interpolymerized units derived from. Said composition a good-quality, interface adhesion, durability reliability, minimize cohesion while ensuring a suitable display substrate consisting of a number can be [...] adhesive number.

Said number 2 block having a functional group comprising a crosslinkable copolymerizable monomers are, for example, the block copolymer contained in said alkyl acrylate monomer which can be copolymerized with other monomers which one, in addition said that comprises monomers described be a crosslinkable functional group. Said copolymerizable monomer contained in the crosslinkable functional group include said above-mentioned hydroxy, carboxyl, epoxy, isocyanate can be used at the time of knows sprouting, or nitrogen-containing functional group.

Said crosslinkable functional group such as an adhesion in which various publicly known must well as monomer with number number, number grudge without monomers is publicly known can be used, for example, cross-linkable monomer copolymerizable monomer having a functional group having hydroxy groups when, such monomers include, 2 - hydroxyethyl (meth) acrylate, 2 - hydroxypropyl (meta) acrylate, 4 - hydroxy butyl (meth) acrylate, 6 - hydroxy hexyl (meta) acrylate or 8 - hydroxy octyl (meta) acrylate or the like of hydroxy alkyl (meth) acrylate; (meth) acrylate or 2 - hydroxy or 2 - hydroxy ethylene glycol such as propylene glycol (meta) acrylate (meta) acrylate carbonates of hydroxy alkyl; hydroxy containing compound such as in size but, the number one are not disclosed.

Said number 1 block and/or number 2 block is, e.g. glass transition temperature control such as for, and feeds back of comonomers can be further comprises, said monomers are interpolymerized units can be included. Said comonomer include, (meth) acrylonitrile, (meth) acrylamide, N - methyl (meth) acrylamide, N - butoxy methyl (meth) acrylamide, vinyl pyrrolidone or N - N - nitrogen-containing monomers such as vinyl caprolactam; (meta) acrylic ester carbonates alkoxyalkyl, alkoxy (meta) acrylic ester d alkyl [leyn glycol, (meta) acrylic ester alkyl [leyn glycol tree alkoxy, alkoxy alkyl [leyn glycol tetra (meth) acrylic esters, (meth) acrylic acid esters alkoxy polyethylene glycol, phenoxy alkyl carbonates (meta) acrylic esters, (meth) acrylic acid esters phenoxy d alkyl [leyn glycol, alkyl [leyn glycol tree (meta) acrylic acid esters phenoxy, phenoxy tetra alkyl [leyn glycol (meth) acrylic acid esters such as alkyl (meth) acrylic acid ester or phenoxy polyalkylene glycol 4.9-containing monomer; styrenic monomer such as methyl styrene or styrene; glycidyl (meth) acrylate such as reactable-containing monomer; or vinyl acetate such as but as to the aromatic carboxylic acid vinyl ester, the number one are not disclosed. This comonomer are needed is different from at least one selected appropriate polymer can be included or xenogeneic is exposed. Such the comonomer may be, for example, within each block 20 parts by weight of hereinafter, or 0. 1 Parts by weight to 15 parts by weight of a block copolymer can be contained within.

In one example, said block copolymer is, 5 parts by weight to 50 parts by weight to 50 parts by weight of said number 1 block 95 parts by weight of a block number 2 can be. Number 1 number 2 blocks such as ratio of the weight of said block by, adhesive composition and adhesive number can be a number [...] excellent physical property.

In one example said block copolymers, including diblock copolymer (diblock copolymer) said number 1 and number 2 block, i.e. said number 1 block and number 2 block including only two block 2 can be a block copolymer. Diblock copolymer by using, adhesive number interface adhesion, durability reliability, stress relaxation and re can be such as to maintain good workability.

Said block copolymer a method are specially number not one number tank, a publicly known method can be used. For example, LRP (Living Radical Polymerization) said block polymer polymerization manner and can disclosed. Specifically, organic rare earth metal complexes using the same polymerization disclosure number, alkali metal or alkaline earth metal salts of organic polymer by using an alkali metal compound in the presence of an inorganic acid salts disclosure number synthesizing anionic polymerization, organic alkali metal compounds used in the presence of a disclosure number organoaluminum compound synthesizing anionic polymerization method, the polymerization number number number radical polymerization (ATRP) as atom migration using atom migration radical POLYMERICATION, polymerization number number number generating electrons detected organic or inorganic radical polymerization atom migration as the reduction number (Activators Regenerated by Electron Transfer) atom migration radical POLYMERICATION (ATRP) performing polymerization under ARGET, ICAR (Initiators for continuous activator regeneration) atom migration radical POLYMERICATION (ATRP), reversible addition - folds of a dicarboxylic acid dichloride using inorganic reduction number number - folds of a dicarboxylic acid dichloride (RAFT) by reversible addition polymer, or organic tellurium compound is used as the disclosure number can be used as method, said method suitable method is selected among said number tank block copolymer can be disclosed.

The application of adhesive composition, said block copolymer crosslinkable reactive function capable of forming a chemical crosslinked structure can be crosslinked 1 comprising at least one number. Said block copolymer comprising crosslinked number include a crosslinkable functional group having at least one reactive function 2 can be polyfunctional cross-linking number can be used. The number of crosslinked number but one example include, isocyanate crosslinked number, number crosslinked epoxy, aziridine cross-linking a number or metal chelate cross-linking number is cited.

In one example, said crosslinkable functional group is hydroxyl group, isocyanate crosslinked number number include polyfunctional cross-linking can be used. Specifically number but not one kind of isocyanate crosslinked number, e.g., [...] alkylene diisocyanate, xylene diisocyanate, diphenylmethane diisocyanates, hexamethylene diisocyanate, isophorone diisocyanate isocyanate the, tetramethyl xylene diisocyanate or naphthalene diisocyanate such as a diisocyanate compound; said diisocyanate compound or polyol compounds; can be using. Said propane is used as the polyol include tree methyl roll can be.

In one example, a polyfunctional cross-linking number is 100 parts by weight of said block copolymer 0 contrast. 01 Parts by weight to 10 parts by weight of adhesive can be included within the composition. More specifically, the lower limit of said crosslinked number content 0. 03 Parts by weight or more, 0. 05 Parts by weight of greater than or 0. 10 Parts by weight or more may be, its upper limit is 5 parts by weight of hereinafter, hereinafter 3 parts by weight, or 1. 0 Parts by weight of implementation being hereinafter. In this range of block copolymers of crosslinked can be a suitable clearance, through, adhesive number gel fraction, cohesion, adhesion, and durability can be such as to maintain good.

The application of adhesive composition 2 species can be perform the thread column couple ring number. The most widely used silane coupling number is known as coupling number but, if excess silane coupling number is used, the pressure-sensitive adhesive interface generates humidity conditions such as hot or cold oil to bubble, lowering of the wafer while stripping or the telephone number is observed substrate. The top surface of the heat-resistant durability drop number thereby thermal endurance in flame retardancy, the resulting light weighing door number it developing along flow tides. Thus, the first connector, such as a surface on which said door number, using silane coupling number even in an extremely relayed using a small amount of generally 1 species.

Alternatively, the application of adhesive composition comprising a functional group can be a different species silane coupling number 2 weight range. Specifically, the application of adhesive composition, silane coupling number (A) having isocyanate group number 1, number 2 having a functional group at the time of knows sprouting, simultaneously and in other silane coupling number (B) can be. The, said number 1 (A) at the time of knows sprouting, as a functional group in addition to alkoxy silane coupling number is only can be isocyanate, silane coupling said number 2 and number [...] is number (B) isocyanate, which is referred to can be functional.

(A) is silane coupling said number 1 number, said number 1 at the time of knows sprouting, block copolymer crosslinkable functional isocyanate groups included in combination with a silane coupling number number bound to silane coupling said block copolymer has the effect. The nut by silane coupling number said number 1, number 2 (B) block copolymer having a functional group at the time of knows sprouting, other isocyanate silane coupling number occur at a faster speed than to snap on, the application can be input according to a silane coupling number to further improve effect. As said pipeline, in use in the case of number 2 (B) silane coupling number surface interacting with the flame while excess surplus silane coupling number number reducible adhesive strength is lowered. However, the application such as, silane coupling number range is referred to as number 1 (A) is used to weight, block copolymer bound silane coupling number on more effective adhesion of number can be adhered to the glass substrate. Thus, at the time of knows sprouting, isocyanate silane coupling number (B) having a functional group other than number 2 is used alone, heat resistance and heat resistance and heat conditions which can express high adhesion adhesive stability, heat resistance and resistance to heat durability reliability can be group.

In one example, said number 1 (A) silane coupling number is, for example, isocyanate silane [thok at the time of tree at the time of this [thu pro which it knows it will bloom 3 -, or 3 - isocyanate such as at the time of this [thu pro which it knows it will bloom trimethoxy silane, a component a alkoxy group including one or more isocyanate compound disclosed. (A) can be represented by formula 1 is silane coupling said number 1 to number.

[Formula 1]

In said formula 1, R₁ To R₃ Are each independently hydroxyl group, alkoxy group 1 to 20 carbon atoms, or 1 to 20 carbon atoms may be alkyl, R₁ To R₃ 1 To 20 carbon atoms either one or more of alkoxy, alkyl is modified A, R₄ At the time of knows sprouting, isocyanate groups is among others. In one example, only in the 1 to 10 alkylene A implementation being.

In one example, said alkoxy is linear, branched or cyclic alkoxy group may be a chain, 1 to 20 carbon atoms combined with oxygen alkoxy alkyl groups, 1 to 16 carbon atoms, 1 to 12 carbon atoms, 1 to 8 carbon atoms or 1 to 4 carbon atoms can be alkyl.

In one example, said number 1 (A) is 100 parts by weight of silane coupling number 0 contrast said block copolymer. 01 To 10 parts by weight range can be included. Specifically, the silane coupling said number 1 number content in a lower limit of 0. 01 Parts by weight, 0. 1 Parts by weight, 0. 5 Parts by weight, 3 parts by weight or more 1 parts by weight or may be, its upper limit is 10 parts by weight, 5 parts by weight, or 1. 5 Part by weight can be.

(B) at the time of knows sprouting, silane coupling said number 2 isocyanate groups is otherwise be a compound having a functional group number. For example, said number 2 (B) is an epoxy silane coupling number, molecular weight, amino group, vinyl group, epoxy group, beta - cyano [...], oh tax [thil process for which includes either a halogen or can.

In one example, said number 2 include silane coupling number (B), compounds represented by formula 2 to beta - having a cyano group, or a group represented by the formula 3 can be used to compound having acetoacetoxy-functional oh tax [thil it will raise.

[Formula 2]

(R₅ )_n Si (R₆ )_{(4 A-n)}

[Formula 3]

(R₇ )_n Si (R₆ )_{(4 A-n)}

In said formula 2 or 3, R₅ Beta - cyano - or beta [...] is triacetyl substance for an alkyl group, R₇ The acetoacetoxy-functional alkyl and oh tax [thil or process for acetyl, R₆ Is alkoxy, n is 1 to 3 of number disclosed.

In said formula 2 or 3, and the alkyl group 1 to 20 carbon atoms, 1 to 16 carbon atoms, 1 to 12 carbon atoms, alkyl of 1 to 4 carbon atoms or 1 to 8 carbon atoms may be, such linear alkyl groups, branched and a chain or a cyclic alternatively be. In addition, in formula 1 or 2, C6 alkoxy 1 to 20, 1 to 16 carbon atoms, 1 to 12 carbon atoms, 1 to 8 carbon atoms or 1 to 4 carbon atoms may be alkoxy group, the alkoxy group is a linear, branched or ring alternatively be a chain.

Compounds represented by said formula 2 or 3 include, propyl trimethoxy silane acetoacetoxy-functional acetyl, acetyl profile [thok at the time of tree acetoacetoxy-functional silane, propyl trimethoxy silane or silane [thok at the time of tree like triacetyl substance for beta beta monohydrate in size but acetyl profile, the number is one that is particularly not the.

In one example, said number 2 (B) is 100 parts by weight of said silane coupling number 0 contrast block copolymer. 01 To 10 parts by weight range can be included. Specifically, the silane coupling said number 2 number content in a lower limit of 0. 01 Parts by weight or more, 0. 1 Parts by weight, or 0. 2 Parts by weight or more may be, its upper limit is 10 parts by weight of hereinafter, hereinafter 5 parts by weight, 3 parts by weight of implementation being hereinafter hereinafter or 1 parts by weight.

In one example, silane coupling said number 1 and number 2 (A/B) (B) (A) silane coupling said number 2 number is the number of heating to 30 range 1308. When said content is less than 2 non-(A/B), adding silane coupling number according to the number 1 inverted triangular screw, improving durability and reliability are identified to the number of copied, said non-content is 30 (A/B) and then, silane coupling number number 1 (A) isoforms at the time of knows sprouting, participation occurs because the crosslinked with around while preventing the truck can be reduced.

Adhesive composition, if necessary, can be further comprises imparting tackiness number. Imparting tackiness number include for example, hydro-carbon resin or hydrogenation product thereof, rosin resin or hydrogenation product thereof, rosin ester resin or hydrogenation product thereof, terpene resin or hydrogenation product thereof, terpene phenol resin or hydrogenation product thereof, polymerized resin resin or polymerized resin ester resin using but one type of or more mixed heterogeneous, the number one are not disclosed. Said number is imparting tackiness, 100 parts by weight of block copolymer, adhesive in an amount of 100 parts by weight of hereinafter can be included within the composition.

In addition to said adhesive composition, epoxy resin, curing number, UV stable number, anti-oxidation number, job number, reinforcing number, filling number, vesicle number, number surfactants, or plasticizers such as number further comprises a number can be added. Number added specific kind or content are specially number is not one.

The application a in one example, said optical film bonded adhesive composition sprayable compositions disclosed. Optical film bonded composition, for example, polarizing film, phase difference film, antiglare film, wide view angle compensation film or a luminance enhancing film or stacked upon each other optical film, said optical film or laminate such as liquid crystal panel can be used in for an easily stuck. In one example, said adhesive composition as adhesive composition for polarizing plate, polarizing film attached to the liquid crystal panel to contain an adhesive sprayable compositions disclosed.

Another illustrative example, the application to the adhesive optical laminate (pressure-a sensitive adhesive optical laminate) are disclosed. An exemplary optical stack, optical film; and said at least one optical film layer adhesive number can be present. Said adhesive number layer is, for example, LCD device of adsorbing said optical film or other optical film adhesive for attachment to be a layer number. In addition said number layer is adhesive, the adhesive composition of said application can be described. Said adhesive composition, implementation of the state number is included in said adhesive layer crosslinked structure thereof can. The optical film in said it, polarizing plate, polarizer, phase difference film or said at least one brightness enhancing film when the stack can be laminated in example 2. The polarizing plate has a polarizer specification terms in a distinct object ID and password. I.e., films exhibiting the polarizer polarizing function, sheet or element itself and defines, together with other elements including said polarizer polarizing optical element by big. Polarizer optical element may be included with other the above may, polarizer protection film or phase retardation but such as exemplified, the one number are not disclosed.

The application is, in addition adhesive bonded are disclosed. Said polarizer, for example, becoming a polarizing optical film in said adhesive optical laminate structure may have.

One type polarizer polarizing plate included a particularly number not, for example, polyvinyl alcohol polarizer such as the type number without the sacrificial film that is publicly known and can be employed disclosed.

Direction of incident light direction while various polarizer may be one from a functional film can be extracted only the light are disclosed. The polarizer may be, for example, polyvinyl alcohol based resin film is in can be a dichroic dye type. Polyvinyl alcohol based resin constituting the polarizer, for example, poly vinyl acetate orgin resin to gel to thereby form can be achieved. In this case, may be vinyl acetate orgin resin is used, as well as homopolymers of vinyl acetate, a copolymer of vinyl acetate and on said other monomers copolymerizable etc. may also be included. In said examples of polymerizable monomer is copolymerized with vinyl acetate, unsaturated carboxylic acid current, olefin, vinyl ether, substituted unsaturated sulfonic lead-free and having like acrylamide type but more mixed or xenogeneic cited, the one number are not disclosed. Gelatination degree of a polyvinyl alcohol based resin, 85 mole % to 100 mole % normal degree, 98 mole % or more preferably be a. The modified polyvinyl alcohol based resin further comprises said which may be, for example, aldehydes modified with poly vinyl gun [lu end or polyvinyl acetal such as can be also be used. Polyvinyl alcohol based resin in addition polymerization of diagram, typically 1,000 to 1,500 to 5,000 10,000 be a degree or degree.

Such as the polarizer said polyvinyl alcohol based resin film is stretched (ex. Tenacity) process, a dichroic dye dyed polyvinyl alcohol based resin film, and a dichroic dye adsorbing process, a dichroic dye adsorbed polyvinyl alcohol based resin film with an aqueous solution and boric acid aqueous solution (boric acid) boric acid process step for processing the number can be washed after a cool high pressure liquid coolant. As a dichroic dye in said, iodine (iodine) or can be dichroic organic dye is used as the alkali.

Polarizing plate, in addition said polarizer further comprises a protection film can be attached to one or two surfaces, in this case, said adhesive layer is formed on one or two surfaces of the protection film said number thereof can. In one example, said adhesive layer is formed on the opposite side of the protection film polarizer number thereof can. Specifically number not one kind of protective film, for example, TAC (Triacetyl cellulose) such as cellulosic film; PET (poly (ethylene terephthalet)) or polycarbonate film such as polyester film; polyether opinion phone orgin film; or polyethylene film, total or cyclo or norbornene structure ethylene - propylene copolymer polypropylene film on the resin or a polyolefin film such as a single-layer or bilayers or more number tank installed in use film can be laminated structure. Securing the moisture barrier properties when considered, PET can be positive polyolefin film, can be consider securing durability if acrylic film.

In addition a polarizing plate has a protective layer, a reflective layer, anti, retardation plate, wide view angle compensation film and brightness enhancing film further comprises one or more selected from the group consisting of functional layers can be.

The polarizing plate or optical film forming a layer number in said application method are specially number not one adhesive, said adhesive composition of a polarizing plate or the like for example direct coating, curing a crosslinked structure implementing a user to easily control, an aqueous adhesive composition is disposed on the release film or release of said form a coating and curing to set after, such as can be transferred using same.

One method are specially number is an aqueous adhesive composition coating pans not, for example, bar coater (bar coater) can be methods of applying scheme that allows the normal means of adhesion.

The pressure-sensitive adhesive composition is cross-linkable coating process included in the number to a target number acid copolymer and a crosslinking of the bondable functionality in terms of the uniform coating processing of preferably, through, is coated with a crosslinked structure toward the number of bridging during aging and cure of step number improve cohesion, adhesive properties (cuttability) can be fixed to the two-wheel vehicle.

In addition coating process, such as a stand-alone sufficiently volatile components or reaction residues of adhesive composition after bubble induced component number, preferably performing, the number of the crosslinking density or molecular weight and the like located spaced apart too low modulus adhesive, heat-adhesive layer are bubble existing in temperature conditions in a scatterer formed between emitter and a door number point can be prevented.

Coatings, adhesive composition to cure method implementing a crosslinked structure are not limited particularly. For example, coating contained within block copolymer and a polyfunctional cross-linking number to crosslinked reaction can be induced, in a pre-heated such as maintaining said coating layer can be performed.

The application is in addition, the display device are disclosed. When the LCD display device, the device, said liquid crystal panel and a liquid crystal panel attached to one or two surfaces can be said polarizing plate or optical stack. Said polarizing plate or optical stack number thereof can attached to the liquid crystal panel by said adhesive described.

The liquid crystal panel has, for example, number 1 sequentially formed substrate, pixel electrodes, number 1 alignment layer, liquid crystal layer, alignment film number 2, number 2 can be first base substrate. In one example, the glass substrate be said number 1 and number 2. In this case said polarizing plate or optical stack via said glass substrate layer attached to said adhesive described number thereof can.

Said device comprises a liquid crystal panel on the opposite side thereof such that the viewing surface can be. Light source side number 1 the substrate is, for example, transparent pixel electrode electrically connected to a TFT as a driving element (Thin Film Transistor) including active type driving circuit is formed like wires 1a thereof can. Said pixel electrode is, for example ITO (Indium Tin Oxide) number, a pixel-electrode can be function. In addition, number 1 or number 2 alignment, for example, materials such as polyimide but, the one number are not disclosed.

Said device include liquid crystal panel, for example, TN (twisted nematic) type, STN (super twisted nematic) type, such as passive matrix or PD F (ferroelectic) (polymer dispersed) type of panel; 2 terminal type (two terminal) or 3 terminal type (threeterminal) such as active matrix type panel; in-plane switching (IPS; In Plane Switching) panel and vertical alignment type (VA; Vertical Alignment) panel such as can be applied to both panel of publicly known.

Display device other configuration, for example, liquid crystal display device or arrays in color filter substrate such as upper and lower substrates are also not particularly number as a search, the number can be employed without the made of the publicly known in the field.