Base material composition for bubble-dispersible foam tape, foam tape using same, and preparation method thereof

Disclosed are a base material composition for a foam tape which has high foam stability and excellent peel strength, a foam tape prepared using the same, and a preparation method thereof. According to the present invention, the base material composition for a foam tape comprises an acrylic monomer, a radical initiator, a cross-linking agent, a porous filler, and a surfactant, wherein the surfactant comprises 60-90 wt % of a siloxane-based polymer and 10-40 wt % of a non-siloxane-based polymer. A foam tape prepared thereby is economical compared with conventional foam tapes, is free from a deteriorating adhesive force, and has excellent foam stability.

ADHESIVE COMPOSITION AND ADHESIVE FILM FOR TOUCH PANEL

Provided are: an adhesive composition for a touch panel, including an acrylic resin, a first curing agent having one to three functional groups, a second curing agent having four to six functional groups, and an ultraviolet blocking agent containing a benzotriazole group; and an adhesive film for a touch panel, including a cured product of the composition. 1. An adhesive composition for a touch panel , comprising: an acrylic resin; a first curing agent having one to three functional groups; a second curing agent having four to six functional groups; and an ultraviolet blocking agent containing a benzotriazole group.2. The adhesive composition of claim 1 , wherein a weight ratio of the first curing agent:the second curing agent is 2:1 to 4:1.3. The adhesive composition of claim 1 , wherein the first curing agent and the second curing agent are a hexamethylene diisocyanate (HDI)-based curing agent.4. The adhesive composition of claim 1 , wherein the acrylic resin is formed by polymerizing a monomer component including: a (meth)acrylic acid ester-based monomer; and a hydrophilic functional group-containing monomer.5. The adhesive composition of claim 4 , wherein the monomer component comprises the hydrophilic functional group-containing monomer in an amount of 5 to 15 parts by weight based on 100 parts by weight of the (meth)acrylic acid ester-based monomer.6. The adhesive composition of claim 4 , wherein the hydrophilic functional group-containing monomer comprises at least one selected from the group consisting of a hydroxyl group-containing monomer claim 4 , an amino group-containing monomer claim 4 , a carboxyl group-containing monomer claim 4 , a sulfone group-containing monomer claim 4 , a morpholine group-containing monomer claim 4 , a glycidyl group-containing monomer claim 4 , and a combination thereof.7. The adhesive composition of claim 4 , wherein the (meth)acrylic acid ester-based monomer is a linear or branched alkyl (meth)acrylate having 1 to 14 carbon ...

Adhesive film and touch panel

The present invention relates to an adhesive film and to a touch panel. According to the present invention, even when the adhesive film is applied to a touch panel, for example, a capacitive touch panel, and directly attached to a conductive layer, the adhesive film effectively prevents the resistance of the conductive layer from being raised and exhibits good heat resistance. In addition, according to the present invention, an adhesive film having superior durability, optical characteristics, cuttability, workability, wettability and resistance to warping is provided.

Adhesive composition, adhesive sheet, and touch panel

The present invention relates to an adhesive composition, to an adhesive sheet, and to a touch panel. The present invention provides an adhesive composition, particularly an adhesive composition for a touch panel, which is prepared without using a low molecular weight polymer as an additive. The adhesive composition, the adhesive sheet, and the touch panel of the present invention exhibit superior heat resistance in a hardening process, a printed circuit board assembly process, or the like, and have superior physical properties such as optical characteristics, wettability, cuttability, workability, anti-curling properties, and durability.

OPTICAL ADHESIVE SHEET

The present invention provides an optical adhesive sheet including a layered structure of a first adhesive layer and a second adhesive layer, in which the first adhesive layer has a glass transition temperature of −50° C. to −30° C. and a modulus of 0.3×10Pa to about 0.6×10Pa, and the second adhesive layer has a glass transition temperature of −20° C. to −10° C. and a modulus of 0.7×10Pa to 1.0×10Pa. 1. An optical adhesive sheet comprising a layered structure of a first adhesive layer and a second adhesive layer ,{'sup': 5', '5, 'wherein the first adhesive layer has a glass transition temperature of −50° C. to −30° C. and a modulus of 0.3×10Pa to 0.6×10Pa, and'}{'sup': 5', '5, 'the second adhesive layer has a glass transition temperature of −20° C. to −10° C. and a modulus of 0.7×10Pa to 1.0×10Pa.'}2. The optical adhesive sheet of claim 1 , wherein the first adhesive layer is formed by curing a first adhesive composition comprising a first acrylic resin formed by copolymerizing two or more (meth)acrylic acid ester-based monomers and a crosslinkable monomer containing a hydroxy group.3. The optical adhesive sheet of claim 2 , wherein in a total polymerizable monomer component which forms the first acrylic resin claim 2 , the content of the two or more (meth)acrylic acid ester-based monomers is 70 wt % to 90 wt % claim 2 , and the content of the crosslinkable monomer containing a hydroxy group is 10 wt % to 30 wt %.4. The optical adhesive sheet of claim 2 , wherein the first adhesive composition further comprises 0.01 parts by weight to 5.1 parts by weight of a polyfunctional (meth)acrylate-based compound based on 100 parts by weight of the first acrylic resin.5. The optical adhesive sheet of claim 2 , wherein the first adhesive layer is formed by UV-curing the first adhesive composition.6. The optical adhesive sheet of claim 1 , wherein the second adhesive layer is formed by curing a second adhesive composition comprising a second acrylic resin formed by ...

Adhesive composition for heat dissipating adhesive tape, and heat dissipating adhesive tape

Provided is an adhesive composition for a heat dissipating adhesive tape, the adhesive composition comprising a (meth)acrylic acid ester based photocurable resin, a thermal conductive filler, and a benzotriazole-based compound.

ANTI-SCATTERING FILM AND METHOD FOR MANUFACTURING SAME

The present invention relates to an anti-scattering film and a method for manufacturing the same, the anti-scattering film including: a transparent film; and a hard coating layer formed on top of the transparent film, in which the hard coating layer is formed of a composition which includes a UV-curable acrylate resin, first inorganic nanoparticles, second inorganic nanoparticles, a photoinitiator, and a mixed solvent comprising a ketone-based solvent and an alcohol-based solvent, and a plurality of protruding parts is formed on an upper surface of the hard coating layer. 1. An anti-scattering film comprising:a transparent film; anda hard coating layer formed on top of the transparent film,wherein the hard coating layer is formed of a composition which comprises a UV-curable acrylate resin, hydrophobically surface-modified inorganic nanoparticles, a photoinitiator, and a mixed solvent comprising a ketone-based solvent and an alcohol-based solvent.2. The anti-scattering film of claim 1 , wherein the surface-modified inorganic nanoparticles aggregate with each other to form surface-modified inorganic nanoparticle clusters claim 1 , and only a portion of the surface-modified inorganic nanoparticle clusters are buried in the composition claim 1 , so that portions which are not buried are exposed to form a plurality of protruding parts on an upper surface of the hard coating layer.3. The anti-scattering film of claim 2 , wherein the surface-modified inorganic nanoparticle clusters have a size of 500 nm to 5 μm.4. The anti-scattering film of claim 2 , wherein the number of the plurality of protruding parts is 50 to 300 ea. per 10 cmof the upper surface of the hard coating layer.5. The anti-scattering film of claim 2 , wherein the plurality of protruding parts has an average height of 100 nm to 300 nm.6. The anti-scattering film of claim 1 , wherein an alkyl group having 8 to 12 carbon atoms is introduced into outer surfaces of the surface-modified inorganic nanoparticles. ...

Rubber-based adhesive composition having excellent durability

The present invention relates to an adhesive composition including: a butyl-based rubber; and a tackifier having a softening point of 90° C. or more.

ACRYLIC SYRUP PREPARATION METHOD AND ACRYLIC SYRUP

Provided is an acrylic syrup preparation method including the steps of: performing bulk photopolymerization by initiating a UV irradiation of a composition containing a photoinitiator and one or more types of acrylic monomers; stopping the UV irradiation at the time point when the temperature is increased by about 5° C. to about 40° C. from the time point when the temperature at which the UV irradiation of the composition is initiated; and purging the composition with an oxygen-containing inert gas after the UV irradiation is stopped. 1. An acrylic syrup preparation method , comprising the steps of:performing bulk photopolymerization by initiating a UV irradiation of a composition containing a photoinitiator and one or more types of acrylic monomers;stopping the UV irradiation at the time point when the temperature is increased by about 5° C. to about 40° C. from the time point when the temperature at which the UV irradiation of the composition is initiated; andpurging the composition with an oxygen-containing inert gas after the UV irradiation is stopped.2. The acrylic syrup preparation method of claim 1 , wherein the oxygen-containing inert gas contains oxygen in an amount of about 10 vol % to about 30 vol %.3. The acrylic syrup preparation method of claim 1 , wherein stirring is carried out at least while the composition is purged with the oxygen-containing inert gas.4. The acrylic syrup preparation method of claim 1 , wherein the composition is purged with the oxygen-containing inert gas until the time point when the temperature of the composition reaches at least about 20° C. to about 50° C.5. The acrylic syrup preparation method of claim 1 , wherein the composition does not comprise a molecular weight adjusting agent.6. The acrylic syrup preparation method of claim 1 , wherein the acrylic monomers is polymerized at a conversion rate of about 4% to about 20% until the time point when the UV irradiation is stopped.7. The acrylic syrup preparation method of claim ...

OPTICAL FILM COATING COMPOSITION AND OPTICAL FILM COMPRISING THE SAME

Provided is an optical film coating composition including: a UV curable acrylate resin; mixed particles including inorganic nanoparticles and carbon black; and a photoinitiator. 1. An optical film coating composition comprising: a UV curable acrylate resin; mixed particles including inorganic nanoparticles and carbon black; and a photoinitiator.2. The optical film coating composition of claim 1 , wherein the inorganic nanoparticles comprise one or more selected from the group consisting of BaTiO claim 1 , PbZrO claim 1 , PbTiO claim 1 , ZnO claim 1 , ZrO claim 1 , HfO claim 1 , SrTiO claim 1 , SnO claim 1 , CeO claim 1 , MgO claim 1 , NiO claim 1 , CaO claim 1 , YO claim 1 , TiO claim 1 , SiO claim 1 , SiC claim 1 , and a combination thereof.3. The optical film coating composition of claim 1 , wherein the inorganic nanoparticles have an average particle diameter of 10 nm to 100 nm.4. The optical film coating composition of claim 1 , wherein the carbon black has a particle diameter of 5 μm to 25 μm.5. The optical film coating composition of claim 1 , wherein a weight ratio of the inorganic nanoparticles to the carbon black is 85:15 to 90:10.6. The optical film coating composition of claim 1 , wherein the photoinitiator comprises one or more selected from the group consisting of benzoin methyl ether claim 1 , 2 claim 1 ,4 claim 1 ,6-trimethylbenzoyl diphenylphosphine oxide claim 1 , bis(2 claim 1 ,4 claim 1 ,6-trimethylbenzoyl) phenylphosphine oxide claim 1 , α claim 1 ,α-methoxy-α-hydroxyacetophenone claim 1 , 2-benzoyl-2-(dimethylamino)-1-[4-(4-morpholinyl) phenyl]-1-butanone claim 1 , 2 claim 1 ,2-dimethoxy-2-phenylacetophenone claim 1 , 2 claim 1 ,2-dimethoxy-1 claim 1 ,2-diphenylethan-1-one claim 1 , 1-hydroxy-cyclohexyl-phenyl ketone claim 1 , 2-benzyl-2-(dimethylamino)-1-[4-(4-morpholinyl)phenyl]-1-butanone claim 1 , and a combination thereof.7. The optical film coating composition of claim 1 , wherein the optical film coating composition comprises 10 to 30 ...

SILICONE-BASED COATING COMPOSITION AND SILICONE-BASED RELEASE FILM COMPRISING THE SAME

Provided is a silicone-based coating composition including: a silicone-based resin; a silicone-based hardener; and a thermal initiator, in which the silicone-based coating composition further includes a silicone-based compound of Chemical Formula 1. Also, provided is a silicone-based release film including: a base layer; and a coating layer which is a cured product of the silicone-based coating composition. 2. The silicone-based coating composition of claim 1 , wherein the silicone-based coating composition comprises the silicone-based compound in an amount of 1 part by weight to 20 parts by weight based on 100 parts by weight of the silicone-based resin.3. The silicone-based coating composition of claim 1 , wherein the silicone-based resin is polydimethylsiloxane (PDMS).4. The silicone-based coating composition of claim 1 , wherein the silicone-based hardener is one or more selected from the group consisting of hydrogen silane claim 1 , toluene claim 1 , and a combination thereof.5. The silicone-based coating composition of claim 1 , wherein the silicone-based coating composition comprises the silicone-based hardener in an amount of 0.5 part by weight to 5 parts by weight based on 100 parts by weight of the silicone-based resin.7. The silicone-based coating composition of claim 1 , wherein a concentration of a total solid content of the silicone-based coating composition is 0.5 wt % to 10 wt %.8. A silicone-based release film comprising:a base layer; and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'a coating layer which is a cured product of the silicone-based coating composition comprising .'}9. The silicone-based release film of claim 8 , wherein the coating layer has a contact angle of 90° to 120°.10. The silicone-based release film of claim 8 , wherein the coating layer has a surface energy of 15 mN/m to 35 mN/m.11. The silicone-based release film of claim 8 , wherein the coating layer has a thickness of 50 nm to 200 nm.12. The silicone-based release film ...

ADHESIVE COMPOSITION FOR TOUCH SCREEN PANEL, OPTICAL ADHESIVE FILM AND TOUCH SCREEN PANEL

Provided is an adhesive composition including: a (meth)acrylic acid ester-based photo-curable resin; and an oxygen-free di-functional diene-based rubber hardener. 1. An adhesive composition comprising:a (meth)acrylic acid ester-based photo-curable resin; andan oxygen-free di-functional diene-based rubber hardener.2. The adhesive composition of claim 1 , wherein the oxygen-free di-functional diene-based rubber hardener comprises a diene-based di-functional group at both ends thereof.3. The adhesive composition of claim 1 , wherein the oxygen-free di-functional diene-based rubber hardener comprises one selected from the group consisting of a di-functional polybutadiene claim 1 , a di-functional isoprene rubber claim 1 , a di-functional isobutylene-isoprene rubber claim 1 , a di-functional styrene-butylene rubber claim 1 , and a combination thereof.4. The adhesive composition of claim 1 , wherein the oxygen-free di-functional diene-based rubber hardener has a weight average molecular weight from 3 claim 1 ,000 to 20 claim 1 ,000.5. The adhesive composition of claim 1 , wherein the oxygen-free di-functional diene-based rubber hardener has a dielectric constant k value from 2.1 to 2.5 measured at a frequency of 100 kHz.6. The adhesive composition of claim 1 , wherein the adhesive composition comprises:100 parts by weight of the (meth)acrylic acid ester-based photo-curable resin; and0.1 to 2 parts by weight of the oxygen-free di-functional diene-based rubber hardener.7. The adhesive composition of claim 1 , wherein the (meth)acrylic acid ester-based photo-curable resin is a resin in which a (meth)acrylic acid ester monomer and a crosslinkable monomer comprising at least one selected from the group consisting of a hydroxy group-containing monomer claim 1 , a carboxyl group-containing monomer claim 1 , or a nitrogen-containing monomer claim 1 , and a combination thereof are copolymerized with each other.8. The adhesive composition of claim 7 , wherein the (meth)acrylic acid ...

Die attach film

Provided are a die attach film, a semiconductor wafer, and a semiconductor packaging method. The die attach film can prevent generation of burrs or scattering of chips in a dicing process, and exhibits excellent expandability and pick-up characteristics in a die pressure-sensitive adhesive process. Further, the die attach film can prevent release, shifting, or deflection of a chip in a wire pressure-sensitive adhesive or molding process. Thus, it is possible to improve embeddability, inhibit warpage of a wafer or wiring substrate, and enhance productivity in a semiconductor packaging process.

ADHESIVE COMPOSITION, ADHESIVE SHEET, AND TOUCH PANEL

The present invention relates to an adhesive composition, to an adhesive sheet, and to a touch panel. The present invention provides an adhesive composition, particularly an adhesive composition for a touch panel, which is prepared without using a low molecular weight polymer as an additive. The adhesive composition, the adhesive sheet, and the touch panel of the present invention exhibit superior heat resistance in a hardening process, a printed circuit board assembly process, or the like, and have superior physical properties such as optical characteristics, wettability, cuttability, workability, anti-curling properties, and durability. 1. An adhesive composition comprising a base resin and a multifunction crosslinking agent and satisfying Equation 1:{'br': None, 'i': 'X', 'sub': '1', 'sup': '2', '≧6 kg/cm,\u2003\u2003[Equation 1]'}{'sub': '1', 'where Xrepresents a dynamic shear strength value of an adhesive, which is a cured sheet product of the adhesive composition, the dynamic shear strength of the adhesive being measured at 140° C. and a crosshead speed of 0.8 mm/sec using a sample prepared by attaching one side of the adhesive to one surface of an ITO PET film opposite an ITO surface of the PET film and the other side thereof to a glass substrate, followed by storage at room temperature for 24 hours.'}2. The adhesive composition according to claim 1 , wherein Xis 6.5 to 15 kg/cm.3. The adhesive composition according to claim 1 , wherein the adhesive composition satisfies Equation 2:{'br': None, 'i': 'X', 'sub': '2', '≧10 min,\u2003\u2003[Equation 2]'}{'sub': '2', 'where Xrepresents a maintenance time of an adhesive, which is a cured sheet product of the adhesive composition, the maintenance time of the adhesive being measured at 140° C. by applying a load of 2 kg to an ITO PET film of a sample, the sample being prepared by attaching one side of the adhesive to one surface of the ITO PET film opposite an ITO surface of the ITO PET film and the other side ...

ADHESIVE COMPOSITION FOR A TOUCH PANEL, ADHESIVE FILM, AND TOUCH PANEL

The present invention relates to an adhesive composition for a touch panel, to an adhesive film, and to a touch panel. The adhesive composition according to the present invention provides an adhesive for a touch panel that has superior chemical resistance, superior durability under high-temperature or high-humidity conditions, and superior wettability or adhesion to a variety of adherends. In addition, the adhesive composition according to the present invention provides an adhesive which maintains superior resistant performance of a conductive layer and effectively prevents the corrosion of electrodes or the like when applied to a touch panel. 1. An adhesive composition for a touch panel comprising an acrylic resin and a polyfunctional crosslinking agent , and satisfying the following Equations 1 and 2:{'br': None, 'sub': '1', 'X≦55\u2003\u2003[Equation 1]'}{'br': None, 'sub': '2', 'sup': '2', 'X≧20 Kg/in,\u2003\u2003[Equation 2]'}{'sub': 1', '2, 'where Xrepresents a gel content of an adhesive, which is a cured product of the adhesive composition, and Xrepresents high temperature shear strength of the adhesive measured as follows: with one side of the adhesive attached to an ITO surface of a PET film and the other side thereof attached to a stainless steel (SUS) surface, the adhesive is left at room temperature for 24 hours, followed by measurement of shear strength at a high temperature of 100° C. and a crosshead speed of 5 mm/min.'}2. The adhesive composition according to claim 1 , wherein the acrylic resin has a weight average molecular weight of 1 claim 1 ,000 claim 1 ,000 or more.3. The adhesive composition according to claim 1 , wherein the acrylic resin has a glass transition temperature of −60° C. or more.4. The adhesive composition according to claim 1 , wherein the acrylic resin comprises a polymer of a monomer mixture comprising a (meth)acrylic acid ester monomer and a crosslinking monomer.5. The adhesive composition according to claim 4 , wherein the ...

ADHESIVE FILM FOR TOUCH PANEL AND TOUCH PANEL

The present invention relates to an adhesive film for a touch panel, and to a touch panel. The adhesive film has superior heat resistance, optical characteristics, wettability, cuttability, anti-warpage characteristics and chemical resistance, and exhibits superior durability when applied to a touch panel. 2. The adhesive film of claim 1 , further comprising: a base film claim 1 , the adhesive layer being directly attached to either side of the base film.3. The adhesive film of claim 2 , wherein the base film is a polyethylene terephthalate (PET) film.4. The adhesive film of claim 2 , wherein the base film has a thickness of 5 to 100 μm.7. The adhesive film of claim 1 , wherein the adhesive layer is a cured product of an adhesive composition comprising an acrylic resin having a weight average molecular weight of 1 claim 1 ,000 claim 1 ,000 or more claim 1 , and a polyfunctional crosslinking agent.8. The adhesive film of claim 7 , wherein the acrylic resin comprises a polymer of a monomer mixture comprising a (meth)acrylic acid ester monomer and a crosslinking monomer.9. The adhesive film of claim 8 , wherein the (meth)acrylic acid ester monomer comprises alkyl (meth)acrylates.10. The adhesive film of claim 8 , wherein the crosslinking monomer comprises a hydroxyl group containing monomer claim 8 , a carboxylic group containing monomer claim 8 , or a nitrogen containing monomer.11. The adhesive film of claim 7 , wherein the polyfunctional crosslinking agent comprises at least one selected from the group consisting of isocyanate compounds claim 7 , epoxy compounds claim 7 , aziridine compounds claim 7 , and chelating agents.12. The adhesive film of claim 7 , wherein the adhesive composition comprises 0.01 to 10 parts by weight of the polyfunctional crosslinking agent based on 100 parts by weight of the acrylic resin.13. The adhesive sheet of claim 7 , further comprising: a silane coupling agent.14. The adhesive sheet of claim 7 , further comprising: a tackifier.15. A ...

ADHESIVE COMPOSITION FOR TOUCH PANEL, ADHESIVE FILM, AND TOUCH PANEL

The present invention relates to an adhesive composition for a touch panel, an adhesive film, and a touch panel. The adhesive composition for the touch panel of the present invention is applied to the touch panel, for example, to an electrostatic capacitance-type touch panel, for hiding the pattern of a conductive layer even when being coupled to the conductive layer formed with the pattern. Also, the adhesive composition of the present invention can prevent yellowing and whitening. 1. An adhesive composition for a touch panel comprising a partially polymerized acrylic resin; a multifunctional crosslinking agent; and urethane acrylate and satisfying Equation 1:{'br': None, 'sup': '2', 'X=20 kg/in\u2003\u2003[Equation 1]'}wherein X is the high-temperature shear strength of an adhesive that is a cured product of the adhesive composition, measured on a sample at a crosshead speed of 5 mm/min, the sample being prepared as follows: one side of the adhesive is attached to a first substrate and the other side thereof is attached to a second substrate, followed by storage at 100° C. for 1 hour.2. The adhesive composition according to claim 1 , wherein the partially polymerized acrylic resin has a weight average molecular weight of 1 claim 1 ,000 claim 1 ,000 or higher.3. The adhesive composition according to claim 1 , wherein the partially polymerized acrylic resin has a degree of polymerization of 5 to 60%.4. The adhesive composition according to claim 1 , wherein the partially polymerized acrylic resin comprises a polymer of a monomer mixture comprising a (meth)acrylic acid ester monomer and a crosslinking monomer.5. The adhesive composition according to claim 4 , wherein the (meth)acrylic acid ester monomer comprises alkyl (meth)acrylates.6. The adhesive composition according to claim 4 , wherein the crosslinking monomer comprises a hydroxyl group containing monomer claim 4 , a carboxylic group containing monomer claim 4 , or a nitrogen containing monomer.7. The adhesive ...

ADHESIVE COMPOSITION FOR TOUCH PANEL, ADHESIVE FILM, AND TOUCH PANEL

The present invention relates to an adhesive composition for a touch panel, and adhesive film, and to a touch panel. When the adhesive composition of the present invention is applied to the touch panel, for example, to an electrostatic capacitance-type touch panel, the present invention has superior durability under high-temperature and high-humidity conditions and superior wettability and adhesiveness to various objects to be adhered, and can provide the adhesive composition and the adhesive film having excellent durability to chemicals, such as resistance to sebum. 1. An adhesive composition for a touch panel , comprising:a partially polymerized acrylic resin;a multifunctional crosslinking agent; andan urethane acrylate, [{'br': None, 'i': 'X', 'sub': '1', '≧=85% and\u2003\u2003[Equation 1]'}, {'br': None, 'i': 'X', 'sub': '2', '≦0.3 mm,\u2003\u2003[Equation 2]'}], 'the adhesive composition satisfying Equations 1 and 2{'sub': 1', '2, 'wherein Xis the gel content of an adhesive that is a cured product of the adhesive composition, and Xis the distance of artificial sebum permeating a lateral side of a sample measured after soaking the sample in artificial sebum, the sample being prepared by attaching the adhesive to a substrate.'}2. The adhesive composition according to claim 1 , wherein the partially polymerized acrylic resin has a weight average molecular weight of 1 claim 1 ,000 claim 1 ,000 or more.3. The adhesive composition according to claim 1 , wherein the partially polymerized acrylic resin has a degree of polymerization of 5% to 60%.4. The adhesive composition according to claim 1 , wherein the partially polymerized acrylic resin comprises a polymer of a monomer mixture comprising a (meth)acrylic acid ester monomer and a crosslinking monomer.5. The adhesive composition according to claim 4 , wherein the (meth)acrylic acid ester monomer comprises alkyl (meth)acrylates.6. The adhesive composition according to claim 4 , wherein the crosslinking monomer ...

ADHESIVE COMPOSITION FOR TOUCH PANEL, ADHESIVE FILM, AND TOUCH PANEL

The present invention relates to an adhesive composition for a touch panel, an adhesive film, and a touch panel. When coupled to the touch panel, for example, to a conductive layer and to a hard coating surface of an electrostatic capacitive touch panel, the present invention has superior durability, such as resistance to peeling, detaching, or air bubbles under high-temperature and high-humidity conditions, and can provide an adhesive composition or adhesive agent also having superior workability, wettability, and adhesion to various objects to be adhered. 1. An adhesive composition for a touch panel comprising:a partially polymerized acrylic resin;a multifunctional crosslinking agent; andan epoxy silane coupling agent.2. The adhesive composition according to claim 1 , wherein the partially polymerized acrylic resin has a weight average molecular weight of 1 claim 1 ,000 claim 1 ,000 or higher.3. The adhesive composition according to claim 1 , wherein the partially polymerized acrylic resin has a degree of polymerization of 5 to 60%.4. The adhesive composition according to claim 1 , wherein the partially polymerized acrylic resin comprises a polymer of a monomer mixture comprising a (meth)acrylic acid ester monomer and a crosslinking monomer.5. The adhesive composition according to claim 4 , wherein the (meth)acrylic acid ester monomer comprises alkyl (meth)acrylates.6. The adhesive composition according to claim 4 , wherein the crosslinking monomer comprises a hydroxyl group containing monomer claim 4 , a carboxylic group containing monomer claim 4 , or a nitrogen containing monomer.7. The adhesive composition according to claim 1 , wherein the multifunctional crosslinking agent comprises multifunctional (meth)acrylates.8. The adhesive composition according to claim 7 , wherein the multifunctional (meth)acrylates comprise at least one selected from the group consisting of hexanediol di(meth)acrylate claim 7 , trimethylolpropanetrioxyethyl di(meth)acrylate claim 7 ...

DOUBLE-SIDED ADHESIVE SHEET AND DISPLAY DEVICE FOR TOUCH PANEL INCLUDING SAME

The embodiment examples of the present invention relate to a double-sided adhesive sheet and a display device for a touch panel including the same. The double-sided adhesive sheet, according to the embodiment examples of the present invention, comprises a transparent acryl-based resin layer as a substrate, can provide a double-sided adhesive sheet which can be detached and recycled after attaching to the touch panel and a display device module, by means of the adhesive agent layers that are formed on both sides having different detaching force, can improve visibility of the display device by being coupled between the touch panel and the display device module for eliminating an air gap, and can minimize the difference in the bending rate of each layer of the double-sided adhesive sheet for eliminating visibility exhaustion as much as possible. 1. A double-sided adhesive sheet sequentially including a first adhesive layer , a transparent acrylic resin layer and a second adhesive layer ,wherein each of the first adhesive layer and the second adhesive layer comprises an acrylic adhesive; the first adhesive layer is disposed to adjoin a touch panel; the second adhesive layer is disposed to adjoin a display device module; and adhesive strength between the first adhesive layer and the touch panel is higher than adhesive strength between the second adhesive layer and the display device module.2. The double-sided adhesive sheet according to claim 1 , wherein the first adhesive layer has a 180° peel strength of 800 g/in to 3000 g/in with respect to a substrate at a peeling rate of 300 mm/min and a temperature of 23° C. claim 1 , and the second adhesive layer has a 180° peel strength of 0 to 80 g/in with respect to a polarizing film at a peeling speed of 300 mm/min and a temperature of 23° C.3. The double-sided adhesive sheet according to claim 1 , wherein the first adhesive layer claim 1 , the transparent acrylic resin layer and the second adhesive layer have an index of ...

ADHESIVE RESIN COMPOSITION CONTAINING AMINE ACCELERATOR AND DECORATIVE FILM INCLUDING THE SAME

The present invention relates to an adhesive resin composition for a decorative film, and to a decorative film including same. In the present invention, an amine-based (including N) accelerator having a functional group which can react with active hydrogen is used for increasing the reaction rate of an adhesive resin which is required for the preparation of a decorative film having a metallic effect, thereby ensuring coating stability and increasing the reaction rate. Thus, according to the present invention, an adhesive resin which has little deviation in quality (boil resistance) between and within rolls can be provided in a short time. 1. An adhesive resin composition for a decorative film , comprising: an adhesive resin; and an amine accelerator.2. The adhesive resin composition according to claim 1 , wherein the amine accelerator comprises a functional group reacting with active hydrogen.3. The adhesive resin composition according to claim 2 , wherein the active hydrogen comprises at least one selected from an OH group claim 2 , a COOH group claim 2 , and an NH group4. The adhesive resin composition according to claim 2 , wherein the functional group comprises at least one of a glycidyl group and an aziridine group.5. The adhesive resin composition according to claim 1 , wherein the amine accelerator comprises an aziridine compound.7. The adhesive resin composition according to claim 1 , wherein the amine accelerator comprises a glycidyl amine compound.9. A decorative film comprising:a base layer;a metal-treated layer formed on a lower surface of the base layer; andan adhesive resin layer formed on a lower surface of the metal-treated layer and comprising an adhesive resin and an amine accelerator.10. The decorative film according to claim 9 , wherein the amine accelerator comprises at least one selected from aziridine compounds and glycidyl amine compounds.11. The decorative film according to claim 9 , further comprising: a coating film layer formed on a lower ...

Epoxy-based composition, ashesive film, dicing die-bonding film and semiconductor device

Provided are an epoxy composition, an adhesive film, a dicing die bonding film and a semiconductor device using the same. Specifically, the epoxy composition and a use thereof are provided, wherein the epoxy composition has a gel content of 5˜20%, measured under certain conditions. The epoxy composition according to the present invention, as an adhesive agent, shows excellent elastic properties, when prepared to have a low glass transition temperature, exhibiting good adhesion at high temperature and having minimal occurrence of burrs during processing. According to the present invention, it is therefore possible to prevent defects owing to die cut shift, during a wire bonding or molding process at high temperature, and obtain a highly reliable semiconductor device owing to the excellent adhesiveness and workability of the adhesive agent.

ADHESIVE COMPOSITION FOR A WAFER PROCESSING FILM

The present invention relates to an adhesive composition for a wafer processing film, a wafer processing film, and a semiconductor wafer processing method. In the semiconductor wafer processing process such as a dicing process or a back grinding process, a delaminating force with respect to a wafer to be attached may be effectively reduced to improve process efficiency and prevent the wafer from being warped or cracked. 1. An adhesive composition for a wafer processing film , comprising:an acrylic polymer; anda photosensitive gas generating agent.2. The adhesive composition according to claim 1 , wherein the acrylic polymer has a glass transition temperature of −50° C. to 15° C.3. The adhesive composition according to claim 1 , wherein the acrylic polymer has a weight average molecular weight of 50 claim 1 ,000 to 1 claim 1 ,000 claim 1 ,000.4. The adhesive composition according to claim 1 , wherein the acrylic polymer comprises 90 parts by weight to 99.9 parts by weight of a (meth)acrylic acid ester monomer; and 0.1 part by weight to 10 parts by weight of a copolymerizable monomer having a crosslinkable functional group claim 1 , in a polymerized form.5. The adhesive composition according to claim 4 , wherein the crosslinkable functional group comprises a hydroxyl group claim 4 , a carboxyl group claim 4 , an amide group claim 4 , a glycidyl group claim 4 , or an isocyanate group.6. The adhesive composition according to claim 1 , wherein the photosensitive gas generating agent comprises a diazo compound or an oxime compound.7. The adhesive composition according to claim 1 , wherein the photosensitive gas generating agent comprises a diazo-quinone compound.8. The adhesive composition according to claim 1 , wherein the photosensitive gas generating agent comprises a 2-diazonaphtolsulfonic acid or an ester of 2-diazonaphtolsulfonic acid.9. The adhesive composition according to claim 1 , wherein the photosensitive gas generating agent comprises at least one selected ...

OPTICAL ADHESIVE SHEET

The present invention relates to an optical adhesive sheet having an excellent repulsion resistance and an excellent swelling rate, and a method for manufacturing the same. 1. An optical adhesive sheet , comprising:a substrate; andan adhesive agent layer formed on at least one surface of the substrate,{'sup': '2', 'wherein the adhesive agent layer is formed by curing an adhesive agent composition, which comprises an acrylic copolymer formed by polymerizing a monomer mixture comprising ethylhexyl acrylate and isobornyl acrylate, at an ambient temperature of 20 to 30° C. by irradiation with UV light having a UV intensity of 6 to 8 mW/cm, and'} {'br': None, 'i': W', '/W, 'sub': 1', '2, 'Swelling rate (%)=()×100 \u2003\u2003[Equation 1]'}, 'a swelling rate of the adhesive agent layer, which is calculated by the following Equation 1, is 60% or morehere,{'sub': '1', 'W=an initial weight which is a weight of a sample before immersing the sample, which is obtained by cutting a cured adhesive agent layer into a predetermined size, into a solvent, and'}{'sub': '2=', 'Wa post weight which is a weight of a sample obtained by immersing the sample into a solvent, leaving the sample to stand for a predetermined time, filtering the sample using a filtration device, and then drying the sample.'}2. The adhesive sheet of claim 1 , wherein a total UV dose irradiated onto the adhesive agent composition at the ambient temperature is 1 claim 1 ,500 mJ/cmor more.3. The adhesive sheet of claim 1 , wherein the adhesive agent composition further comprises a photoinitiator selected from the group consisting of a benzoin-based initiator claim 1 , a hydroxy ketone-based initiator claim 1 , an amino ketone-based initiator claim 1 , caprolactam claim 1 , and a combination thereof.4. The adhesive sheet of claim 1 , wherein the substrate is thermoplastic foam or thermosetting foam.5. A method for manufacturing an optical adhesive sheet claim 1 , the method comprising:forming an adhesive agent ...

ACRYLIC ADHESIVE SHEET, MEDICAL ADHESIVE TAPE, AND METHOD FOR MANUFACTURING THE SAME

Provided are: an acrylic adhesive sheet having a porous structure including a plurality of pores and having a water vapor transmission rate of 2,000 g/m·24 h to 3,500 g/m·24 h at 24° C. and 25% RH, and a porosity of 10% to 60%; and a medical adhesive tape including the same. 1. An acrylic adhesive sheet having a porous structure comprising a plurality of pores and having a water vapor transmission rate of 2 ,000 g/m·24 h to 3 ,500 g/m·24 h at 24° C. and 25% RH , and a porosity of 10% to 60%.2. The acrylic adhesive sheet of claim 1 , wherein the pores have an average size of 500 nm to 100 μm.3. The acrylic adhesive sheet of claim 1 , wherein the acrylic adhesive sheet has a thickness of 10 μm to 100 μm.4. The acrylic adhesive sheet of claim 1 , wherein the acrylic adhesive sheet is formed to have the porous structure by carrying out foaming and thermal curing on an aqueous acrylic adhesive composition.5. The acrylic adhesive sheet of claim 4 , wherein the aqueous acrylic adhesive composition comprises at least one selected from the group consisting of an acrylic resin claim 4 , a surfactant claim 4 , a thermal foaming agent claim 4 , water claim 4 , other additives claim 4 , and a combination thereof.6. The acrylic adhesive sheet of claim 5 , wherein the aqueous acrylic adhesive composition further comprises or does not further comprise a separate cross-liking agent.7. The acrylic adhesive sheet of claim 4 , wherein the aqueous acrylic adhesive composition comprises the acrylic resin in an amount of 40 wt % to 70 wt %.8. The acrylic adhesive sheet of claim 4 , wherein the aqueous acrylic adhesive composition comprises a surfactant in an amount of 1 wt % to 10 wt %.9. The acrylic adhesive sheet of claim 8 , wherein the surfactant comprises at least one selected from the group consisting of a cationic surfactant claim 8 , an anionic surfactant claim 8 , an amphoteric surfactant claim 8 , a non-ionic surfactant claim 8 , and a combination thereof.10. The acrylic ...

Method for Preparing Thermoplastic Polyurethane Film and Thermoplastic Polyurethane Film Prepared Thereby

A method for preparing a thermoplastic polyurethane film having a large thickness and excellent durability, and a thermoplastic polyurethane film prepared thereby are provided. 1. A method for preparing a thermoplastic polyurethane film , the method comprising:preparing a polyurethane resin composition comprising a polyurethane resin, a first isocyanate-based curing agent, and an organic solvent;preparing two laminates, each comprising a polyurethane resin layer by applying the polyurethane resin composition onto a substrate film and heat-treating the polyurethane resin composition;joining the two laminates so that respective polyurethane resin layers of the two laminates face each other to form joined laminates; andforming a thermoplastic polyurethane film comprising two polyurethane resin layers directly brought into contact with each other by aging the joined laminates,wherein an interfacial bonding strength between the two polyurethane resin layers is 14 Mpa to 18 Mpa.2. The method of claim 1 , wherein the heat treating is carried out at a temperature of 100° C. to 150° C.3. The method of claim 1 , wherein the two laminates are joined at a temperature of 80° C. to 140° C.4. The method of claim 1 , wherein the joined laminates are aged at a temperature of 20° C. to 60° C. for 12 to 24 hours.5. The method of claim 1 , wherein a content of the first isocyanate-based curing agent is more than 5 parts by weight and less than 7.5 parts by weight based on 100 parts by weight of the polyurethane resin.6. The method of claim 1 , wherein the first isocyanate-based curing agent comprises two to six isocyanate functional groups.7. The method of claim 1 , wherein the polyurethane resin is prepared by carrying out a copolymerization reaction of a mixture claim 1 , which comprises: a polyol having a number average molecular weight of 1 claim 1 ,800 g/mol to 2 claim 1 ,200 g/mol; a chain extender comprising a diol having 4 to 10 carbon atoms; and a second isocyanate-based ...

Thermoplastic Polyurethane Film and Preparation Method Thereof

A thermoplastic polyurethane film including a cured product of a polyurethane resin compositon is provided. The polyurethane resin compostion includes a polyurethane resin, a first isocyanate-based curing agent, and an organic solvent. The thermoplastic polyurethane film has a tensile strength break of 50 MPa to 80 MPa. A method for preparing the thermoplastic polyurethane film is also provided. 1. A thermoplastic polyurethane film comprising:a cured product of a polyurethane resin composition, wherein the polyurethane resin compositon comprisesa polyurethane resin,a first isocyanate-based curing agent, andan organic solvent,wherein the thermoplastic polyurethane film has a tensile strength at break of 50 MPa to 80 MPa.2. The thermoplastic polyurethane film of claim 1 , wherein a content of the first isocyanate-based curing agent is 7.5 parts by weight to 15 parts by weight based on 100 parts by weight of the polyurethane resin.3. The thermoplastic polyurethane film of claim 1 , wherein the first isocyanate-based curing agent comprises two to six isocyanate functional groups.4. The thermoplastic polyurethane film of claim 1 , wherein the polyurethane resin is a copolymer of a mixture comprising:a polyol having a number average molecular weight of 1,800 g/mol to 2,200 g/mol;a chain extender comprising a diol having 4 to 10 carbon atoms; anda second isocyanate-based curing agent.5. The thermoplastic polyurethane film of claim 4 , wherein a content of the polyol is 50 wt % to 75 wt % based on a weight of the mixture.6. The thermoplastic polyurethane film of claim 4 , wherein a content of the chain extender is 5 wt % to 15 wt % based on a weight of the mixture.7. The thermoplastic polyurethane film of claim 4 , wherein a content of the second isocyanate-based curing agent is 20 wt % to 37.5 wt % based on a weight of the mixture.8. The thermoplastic polyurethane film of claim 1 , wherein a content of a solid content of the polyurethane resin composition is 20% to 70%.9. ...

Multilayer Marking Film

A multilayer marking film is disclosed herein. In some embodiments, a multilayer marking film includes, in sequential order, an adhesive layer, a colored base layer having a first color, and a colored coating layer having a second color, wherein information can be written by laser irradiation on the colored coating layer.

SEMI-HARDENED PRESSURE-SENSITIVE ADHESIVE FILM

Disclosed is a semi-hardened pressure sensitive adhesive film to be used in the semi-hardened state and having excellent printing step absorption properties. The adhesive film according to the present invention contains a radial polymer composition and a cationic polymer composition, and the radial polymer composition is primarily cross-linked to maintain the semi-hardened state. When applied onto a substrate through a printing step, the present invention has excellent step absorption properties and adhesion properties and excellent durability even under high-temperature and high-humidity conditions. 1. An adhesive film comprising:a radical polymerizable composition; anda cation polymerizable composition,wherein the adhesive film is maintained in a semi-cured state by primary crosslinking of the radical polymerizable composition.2. The adhesive film according to claim 1 , wherein the adhesive film is completely cured by secondary crosslinking of the cation polymerizable composition.3. The adhesive film according to claim 1 , wherein the radical polymerizable composition comprises a compound having at least one unsaturated double bond and a photopolymerization initiator.4. The adhesive film according to claim 3 , wherein the compound having at least one unsaturated double bond comprises at least one of acrylic monomers and acrylic prepolymers.5. The adhesive film according to claim 3 , wherein the photopolymerization initiator comprises at least one of acetophenone claim 3 , benzophenone claim 3 , Michler's ketone claim 3 , benzoin claim 3 , benzylmethylketal claim 3 , benzoyl benzoate claim 3 , α-acyloxime ester claim 3 , and thioxanthone initiators.6. The adhesive film according to claim 1 , wherein the cation polymerizable composition comprises a cation polymerizable compound and a cation polymerization initiator.7. The adhesive film according to claim 6 , wherein the cation polymerizable compound comprises at least one of epoxy resins and vinyl ether resins.8. ...

OPTICAL ADHESIVE COMPOSITION AND OPTICAL ADHESIVE FILM

The present invention relates to an optical adhesive composition including: a thermosetting component including an isoprene-based rubber containing a carboxyl group, and a thermal curing agent; and a photo-curable component including an acrylic acid ester-based monomer, and a photoinitiator, in order to exhibit high barrier performance on the basis of a low water vapor transmission rate, and simultaneously, exhibit excellent adhesive performance by being applied to an optical device or a display device. In addition, the present invention provides an optical adhesive film including an adhesive layer including a photo-cured product of the optical adhesive composition, thereby obtaining advantages of ensuring an excellent cutting property and an excellent handling property, and improving a step difference absorbency. 1. An optical adhesive composition comprising:a thermosetting component comprising an isoprene-based rubber containing a carboxyl group, and a thermal curing agent; anda photo-curable component comprising an acrylic acid ester-based monomer, and a photoinitiator.2. The optical adhesive composition of claim 1 , wherein the optical adhesive composition comprises the photo-curable component in an amount of 5 to 70 parts by weight based on 100 parts by weight of the thermosetting component.3. The optical adhesive composition of claim 1 , wherein the isoprene-based rubber containing a carboxyl group comprises the carboxyl group in an amount of 1 to 15 wt %.4. The optical adhesive composition of claim 1 , wherein the isoprene-based rubber containing a carboxyl group dose not have any photo-curable functional group.5. The optical adhesive composition of claim 1 , wherein the thermal curing agent comprises at least one selected from the group consisting of an aziridine-based curing agent claim 1 , an isocyanate-based curing agent claim 1 , an epoxy-based curing agent claim 1 , and a combination thereof.6. The optical adhesive composition of claim 1 , wherein the ...

ACRYLIC FOAM ADHESIVE TAPE AND FLAT-PANEL DISPLAY APPLYING SAME

Provided is an acrylic foam adhesive tape including: an acrylic foam layer formed by curing a composition for forming an acrylic foam layer; and an adhesive layer being in contact with one surface of the acrylic foam layer, wherein shear strength of the acrylic foam layer is 5 kg/cmto 15 kg/cm. 1. An acrylic foam adhesive tape comprising:an acrylic foam layer formed by curing a composition for forming an acrylic foam layer; andan adhesive layer being in contact with one surface of the acrylic foam layer,wherein shear strength of the acrylic foam layer is 5 kg/cm2 to 15 kg/cm2.2. The acrylic foam adhesive tape of claim 1 , wherein only one adhesive layer is formed on one surface of the acrylic foam adhesive tape.3. The acrylic foam adhesive tape of claim 1 , wherein the composition for forming an acrylic foam layer is a composition including a (meth)acrylic acid ester-based monomer claim 1 , a polar functional group-containing monomer claim 1 , and a photo-cross-linking agent claim 1 , or includes a polymerized compound of the (meth)acrylic acid ester-based monomer claim 1 , the polar functional group-containing monomer claim 1 , and the photo-cross-linking agent polymerized by photo polymerization claim 1 , thermal polymerization claim 1 , or dual polymerization of photo polymerization and thermal polymerization.4. The acrylic foam adhesive tape of claim 3 , wherein a weight ratio of the (meth)acrylic acid ester-based monomer and the polar functional group-containing monomer is 90:10 to 70:30.5. The acrylic foam adhesive tape of claim 3 , wherein the (meth)acrylic acid ester-based monomer includes at least one selected from the group consisting of butyl acrylate claim 3 , butyl methacrylate claim 3 , hexyl acrylate claim 3 , hexyl methacrylate claim 3 , n-octyl acrylate claim 3 , n-octyl methacrylate claim 3 , isooctyl acrylate claim 3 , isooctyl methacrylate claim 3 , 2-ethylhexyl acrylate claim 3 , 2-ethylhexyl methacrylate claim 3 , isononyl acrylate claim 3 , ...

BASE MATERIAL COMPOSITION FOR BUBBLE-DISPERSIBLE FOAM TAPE, FOAM TAPE USING SAME, AND PREPARATION METHOD THEREOF

Disclosed are a base material composition for a foam tape which has high foam stability and excellent peel strength, a foam tape prepared using the same, and a preparation method thereof. According to the present invention, the base material composition for a foam tape comprises an acrylic monomer, a radical initiator, a cross-linking agent, a porous filler, and a surfactant, wherein the surfactant comprises 60-90 wt % of a siloxane-based polymer and 10-40 wt % of a non-siloxane-based polymer. A foam tape prepared thereby is economical compared with conventional foam tapes, is free from a deteriorating adhesive force, and has excellent foam stability. 1. A base material composition for foam tapes comprising:an acrylic monomer, a radical initiator, a crosslinking agent, a porous filler, and a surfactant,wherein the surfactant comprises a silicone surfactant and an amine-based silicone compound.2. The base material composition according to claim 1 , wherein the amine-based silicone compound comprises an amino-modified silicone-polyether copolymer.3. The base material composition according to claim 1 , wherein the silicone surfactant comprises 60 wt % to 90 wt % of a siloxane based polymer and 10 wt % to 40 wt % of a non-siloxane based polymer.4. The base material composition according to claim 1 , wherein the siloxane based polymer is a polyalkyleneoxide-modified polydimethylsiloxane.5. The base material composition according to claim 1 , wherein the non-siloxane based polymer is a polyalkyleneoxide.6. The base material composition according to claim 1 , further comprising:an additive selected from the group consisting of tackifiers, coupling agents, antistatic agents, dyes, pigments, UV blocking agents, antioxidants, processing oils, and mixtures thereof.7. The base material composition according to claim 1 , wherein the acrylic monomer comprises at least one selected from the group consisting of butyl acrylate claim 1 , butyl methacrylate claim 1 , hexyl acrylate ...

Multilayer Adhesive Tape

The present invention relates to a multilayer adhesive tape including: a first outer adhesive layer; an intermediate adhesive layer; and a second outer adhesive layer sequentially, in which at least one of the first outer adhesive layer and the second outer adhesive layer includes a cured product of an outer adhesive composition including a high molecular weight prepolymer having a weight average molecular weight of 100,000 g/mol or more and 1,500,000 g/mol or less and a low molecular weight prepolymer having a weight average molecular weight of 1,000 g/mol or more and 80,000 g/mol or less. 1. A multilayer adhesive tape sequentially comprising:a first outer adhesive layer;an intermediate adhesive layer; anda second outer adhesive layer,wherein at least one of the first outer adhesive layer or the second outer adhesive layer includes a cured product of an outer adhesive composition including a high molecular weight prepolymer having a weight average molecular weight of 100,000 g/mol or more and 1,500,000 g/mol or less and a low molecular weight prepolymer having a weight average molecular weight of 1,000 g/mol or more and 80,000 g/mol or less.2. The multilayer adhesive tape of claim 1 , wherein a glass transition temperature of the low molecular weight prepolymer is between 0° C. or more and 80° C. or less.3. The multilayer adhesive tape of claim 1 , wherein the low molecular weight prepolymer includes a polymerized unit of photopolymerizable functional group-containing (meth)acrylate monomers.4. The multilayer adhesive tape of claim 3 , wherein the photopolymerizable functional group-containing (meth)acrylate monomer is a (meth)acrylate monomer having at least one photopolymerizable functional group selected from the group consisting of a benzophenone-based functional group claim 3 , a quinone-based functional group and a thioxanthone-based functional group bonded.5. The multilayer adhesive tape of claim 3 , wherein a content of the polymerized unit of the ...

Thermoplastic Polyurethane Film and Preparation Method Thereof

A thermoplastic polyurethane film including a cured product of a polyurethane resin composition is provided. The polyurethane resin composition includes a polyurethane resin, a first isocyanate-based curing agent, and an organic solvent. The thermoplastic polyurethane film has a tensile strength of 0.2 MPa to 1.5 MPa at an initial elongation of 5% to 10%. A method for preparing the thermoplastic polyurethane film is also provided. 1. A thermoplastic polyurethane film comprising:a cured product of a polyurethane resin composition wherein the polyurethane resin composition comprisesa polyurethane resin,a first isocyanate-based curing agent, andan organic solvent,wherein the thermoplastic polyurethane film has a tensile strength of 0.2 MPa to 1.5 MPa at an initial elongation of 5% to 10%.2. The thermoplastic polyurethane film of claim 1 , wherein a content of the first isocyanate-based curing agent is 2.5 parts by weight to 5 parts by weight based on 100 parts by weight of the polyurethane resin.3. The thermoplastic polyurethane film of claim 1 , wherein the first isocyanate-based curing agent comprises two to six isocyanate functional groups.4. The thermoplastic polyurethane film of claim 1 , wherein the polyurethane resin is a copolymer of a mixture comprising:a polyol having a number average molecular weight of 1,800 g/mol to 2,200 g/mol;a chain extender comprising a diol having 4 to 10 carbon atoms; anda second isocyanate-based curing agent.5. The thermoplastic polyurethane film of claim 4 , wherein a content of the polyol is 60 wt % to 75 wt % based on the weight of the mixture.6. The thermoplastic polyurethane film of claim 4 , wherein a content of the chain extender is 5 wt % to 10 wt % based on a weight of the mixture.7. The thermoplastic polyurethane film of claim 4 , wherein a content of the second isocyanate-based curing agent is 20 wt % to 30 wt % based on a weight of the mixture.8. The thermoplastic polyurethane film of claim 1 , wherein a content of a ...

ADHESIVE COMPOSITION FOR OPTICAL USE AND OPTICAL DEVICE

The present invention provides an adhesive composition for optical use, including a polyester-based urethane acrylate oligomer, an acrylate-based monomer, a photoinitiator, and a Anti-hydrolysis agnet, and an optical device equipped with an adhesive layer including photocured products of the adhesive composition for optical use. 1. An adhesive composition for optical use , comprising:a polyester-based urethane acrylate oligomer;an acrylate-based monomer;a photoinitiator; anda Anti-hydrolysis agnet.2. The adhesive composition of claim 1 , wherein the Anti-hydrolysis agnet has a melting point (Tm) of 0° C. or more and 40° C. or less.3. The adhesive composition of claim 1 , wherein the Anti-hydrolysis agnet is a liquid.4. The adhesive composition of claim 1 , wherein the Anti-hydrolysis agnet comprises one selected from a group consisting of a carbodiimide-based compound claim 1 , an isocyanate-based compound claim 1 , a polyfunctional hydroxy group-containing compound claim 1 , a polyfunctional carboxyl group-containing compound claim 1 , a polyfunctional amine-based compound claim 1 , and a combination thereof.5. The adhesive composition of claim 1 , wherein the polyester-based urethane acrylate oligomer comprises a mixture of a monofunctional polyester-based urethane acrylate oligomer and a polyfunctional polyester-based urethane acrylate oligomer.6. The adhesive composition of claim 5 , wherein a weight ratio of the monofunctional polyester-based urethane acrylate oligomer to the polyfunctional polyester-based urethane acrylate oligomer is 4:1 to 7:1.7. The adhesive composition of claim 5 , wherein the monofunctional polyester-based urethane acrylate oligomer has a weight average molecular weight (Mw) of 10 claim 5 ,000 or more and 25 claim 5 ,000 or less claim 5 , andthe polyfunctional polyester-based urethane acrylate oligomer has a weight average molecular weight (Mw) of 30,000 or more and 40,000 or less.8. The adhesive composition of claim 1 , wherein the ...

Multilayer Adhesive Tape

A multilayer adhesive tape exhibiting high step coverage and having both high reworkability and excellent punchability is provided. The multilayer adhesive tape sequentially includes: a first outer adhesive layer; an intermediate adhesive layer; and a second outer adhesive layer, in which a glass transition temperature of the intermediate adhesive layer is −40° C. or more and 0° C. or less, a glass transition temperature of each of the first outer adhesive layer and the second outer adhesive layer is −60° C. or more and −20° C. or less, and a difference in glass transition temperature between each of the first outer adhesive layer and the second outer adhesive layer and the intermediate adhesive layer is 5° C. or more and 25° C. or less.

ADHESIVE COMPOSITION FOR TOUCH PANEL, ADHESIVE FILM AND TOUCH PANEL

Provided are an adhesive composition for a touch panel, including: a hydrophilic functional group-containing monomer and an adhesion promoter, wherein a dielectric constant at a frequency of 100 kHz to 2 MHz is 3.5 or less, and a storage modulus is 1.0×10Pa to 7.0×10Pa at 25° C. to 85° C., and an adhesive film including an adhesive layer including a cured product of the adhesive composition for a touch panel. In addition, provided is a touch panel including: a conductive plastic film having a conductive layer formed on one surface; and an adhesive layer attached onto the conductive layer and including a cured product of the adhesive composition for a touch panel. 1. An adhesive composition for a touch panel , comprising:a hydrophilic functional group-containing monomer and an adhesion promoter,{'sup': 5', '5, 'wherein a dielectric constant at a frequency of 100 kHz to 2 MHz is 3.5 or less, and a storage modulus is 1.0×10Pa to 7.0×10Pa at 25° C. to 85° C.'}2. The adhesive composition for a touch panel of claim 1 , wherein the hydrophilic functional group-containing monomer is at least one selected from the group consisting of a hydroxyl group-containing monomer claim 1 , an amino group-containing monomer claim 1 , a carboxyl group-containing monomer claim 1 , a sulfonic group-containing monomer claim 1 , a morpholine group-containing monomer claim 1 , a glycidyl group-containing monomer claim 1 , and combinations thereof.3. The adhesive composition for a touch panel of claim 1 , wherein the hydrophilic functional group-containing monomer has a content of 30 parts by weight or less claim 1 , based on 100 parts by weight of a (meth)acrylic acid ester-based monomer.4. The adhesive composition for a touch panel of claim 3 , wherein a polymer molecular weight of the (meth)acrylic acid ester-based monomer and the hydrophilic functional group-containing monomer is 600 claim 3 ,000 to 1 claim 3 ,200 claim 3 ,000.5. The adhesive composition for a touch panel of claim 3 , ...

PHOTOCURABLE COMPOSITION FOR OPTICAL BONDING AGENT, IMAGE DISPLAY DEVICE APPLYING SAME, AND METHOD FOR MANUFACTURING IMAGE DISPLAY DEVICE

Provided is a photocurable composition for an optical bonding agent, including an acrylic photocurable compound and a plasticizer, in which the acrylic photocurable compound includes a monofunctional acrylic photocurable monomer and a (meth)acrylate-based photocurable polymer having a weight average molecular weight of 50,000 g/mol or less, and the monofunctional acrylic photocurable monomer is included in an amount of more than 0 wt % and 15 wt % or less in the photocurable composition for the optical bonding agent. 1. A photocurable composition for an optical bonding agent , comprising:an acrylic photocurable compound; anda plasticizer,wherein the acrylic photocurable compound comprises a monofunctional acrylic photocurable monomer and a (meth)acrylate-based photocurable polymer having a weight average molecular weight of 50,000 g/mol or less, andthe monofunctional acrylic photocurable monomer is comprised in an amount of more than 0 wt % and 15 wt % or less in the photocurable composition for the optical bonding agent.2. The photocurable composition of claim 1 , wherein the monofunctional acrylic photocurable monomer has a glass transition temperature (Tg) of −60° C. to 100° C.3. The photocurable composition of claim 1 , wherein the monofunctional acrylic photocurable monomer is a (meth)acrylic acid ester-based monomer.4. The photocurable composition of claim 3 , wherein the (meth)acrylic acid ester-based monomer is alkyl (meth)acrylate claim 3 , and an alkyl in the alkyl (meth)acrylate is a linear or branched C1 to C14 alkyl.5. The photocurable composition of claim 3 , wherein the (meth)acrylic acid ester-based monomer comprises one selected from the group consisting of methyl (meth)acrylate claim 3 , ethyl (meth)acrylate claim 3 , n-propyl (meth)acrylate claim 3 , isopropyl (meth)acrylate claim 3 , n-butyl (meth)acrylate claim 3 , t-butyl (meth)acrylate claim 3 , sec-butyl (meth)acrylate claim 3 , pentyl (meth)acrylate claim 3 , 2-ethylhexyl (meth)acrylate ...

Adhesive Composition For Optical Use And Adhesive Layer For Optical Use Comprising Cured Product Thereof

Provided is an adhesive composition for an optical use, including: a first isobutylene-isoprene-based rubber having a weight average molecular weight (Mw) of 100,000 g/mol to 1,000,000 g/mol; and a second isobutylene-isoprene-based rubber having a weight average molecular weight (Mw) of 5,000 g/mol to 100,000 g/mol, in which the first isobutylene-isoprene-based rubber and the second isobutylene-isoprene-based rubber each include a hydroxy group. Further, provided is an adhesive layer including a thermally cured product of the adhesive composition for optical use. 1. An adhesive composition for optical use , comprising:a first isobutylene-isoprene-based rubber having a weight average molecular weight (Mw) of 100,000 g/mol to 1,000,000 g/mol; anda second isobutylene-isoprene-based rubber having a weight average molecular weight (Mw) of 5,000 g/mol to 100,000 g/mol,wherein each of the first isobutylene-isoprene-based rubber and the second isobutylene-isoprene-based rubber comprise a hydroxy group.2. The adhesive composition of claim 1 , wherein an isoprene unit of each of the first isobutylene-isoprene-based rubber and the second isobutylene-isoprene-based rubber includes the hydroxy group.3. The adhesive composition of claim 1 , wherein each of the first isobutylene-isoprene-based rubber and the second isobutylene-isoprene-based rubber do not contain an acid group.4. The adhesive composition of claim 1 , wherein a molar amount of an isoprene unit in the first isobutylene-isoprene rubber is 1 mol % or more and 30 mol % or less based on a total molar amount of an isobutylene unit and the isoprene unit in the first isobutylene-isoprene rubber.5. The adhesive composition of claim 1 , wherein the first isobutylene-isoprene-based rubber has a hydroxyl value (OH value) of 0.5 mgKOH/g to 10 mgKOH/g.6. The adhesive composition of claim 1 , wherein a molar amount of an isoprene unit in the second isobutylene-isoprene rubber is 1 mol % or more and 30 mol % or less based on a ...

OPTICAL ADHESIVE FILM HAVING EXCELLENT PEELING EFFECT AT HIGH TEMPERATURES

The present invention relates to an optical adhesive film which has excellent adhesive strength at room temperature and has improved efficiency in a rework process since peel strength is low at high temperatures. When attaching a touchscreen panel and an LCD by using the adhesive film of the present invention and separating the touchscreen panel and the LCD at high temperatures, the touchscreen panel and the LCD can be separated from each other without causing damage thereto. Additionally, the optical film of the present invention comprises two adhesive layers, wherein peeling occurs at the first adhesive layer having an adhesive composition such that a peeling surface can be controlled according to the convenience of a user. 1. An optical adhesive film comprising:a first adhesive layer formed of an acrylic adhesive composition; anda second adhesive layer disposed on an upper side of the first adhesive layer and formed of an adhesive composition exhibiting higher adhesive strength than the adhesive composition forming the first adhesive layer.2. The optical adhesive film according to claim 1 , wherein the adhesive composition forming the first adhesive layer comprises a first acrylic polymer claim 1 , a second acrylic polymer claim 1 , an amino bond-containing compound claim 1 , and a curing agent.3. The optical adhesive film according to claim 1 , wherein a difference between adhesive strength at 100° C. and adhesive strength at 25° C. of the adhesive composition forming the first adhesive layer ranges from 1000 g/in to 3000 g/in claim 1 , as measured in accordance with ASTM D3330 modified.4. The optical adhesive film according to claim 2 , wherein the first acrylic polymer comprises 2-ethylhexyl acrylate or isooctyl acrylate as a monomer.5. The optical adhesive film according to claim 2 , wherein the second acrylic polymer comprises acrylic acid as a monomer and is present in an amount of 2 parts by weight to 25 parts by weight based on 100 parts by weight of the ...

Double-sided adhesive tape for display and manufacturing method therefor

Provided are a double-sided adhesive tape for a display and a manufacturing method therefor, the double-sided adhesive tape sequentially including: a first acrylic adhesive layer; an acrylic foaming layer; a thermoplastic film layer having a black layer laminated on at least one surface thereof; and a second acrylic adhesive layer.

METHOD FOR PREPARING (METH) ACRYLATE GROUP-CONTAINING BENZOPHENONE FOR OPTICAL ADHESIVE USE AND OPTICAL ADHESIVE COMPOSITION

The present invention relates to a method for preparing a (meth)acrylate group-containing benzophenone for an optical adhesive use, the method including: preparing a raw material composition by mixing a hydroxy group-containing benzophenone-based compound and a (meth)acrylate-based compound; and carrying out a reaction of the hydroxy group-containing benzophenone-based compound and the (meth)acrylate-based compound by introducing an enzyme catalyst into the raw material composition. Further, the present invention provides an optical adhesive composition including a (meth)acrylate group-containing benzophenone prepared by the preparation method and a derivative thereof. 1. A method for preparing a (meth)acrylate group-containing benzophenone for an optical adhesive use , the method comprising:preparing a raw material composition by mixing a hydroxy group-containing benzophenone-based compound and a (meth)acrylate-based compound; andcarrying out a reaction of the hydroxy group-containing benzophenone-based compound and the (meth)acrylate-based compound by introducing an enzyme catalyst into the raw material composition.2. The method of claim 1 , wherein the hydroxy group-containing benzophenone-based compound comprises one selected from the group consisting of 2-hydroxybenzophenone claim 1 , 3-hydroxybenzophenone claim 1 , 4-hydroxybenzophenone claim 1 , 2-hydroxymethylbenzophenone claim 1 , 3-hydroxymethylbenzophenone claim 1 , 4-hydroxymethylbenzophenone claim 1 , 2-hydroxyethylbenzophenone claim 1 , 3-hydroxyethylbenzophenone claim 1 , 4-hydroxyethylbenzophenone claim 1 , 3-(1-hydroxyethyl)benzophenone claim 1 , 4-(1-hydroxyethyl)benzophenone claim 1 , and a combination thereof.3. The method of claim 1 , wherein the (meth)acrylate-based compound comprises one selected from the group consisting of vinyl(meth)acrylate claim 1 , allyl(meth)acrylate claim 1 , alkyl(meth)acrylate claim 1 , cycloalkyl(meth)acrylate claim 1 , and a combination thereof.4. The method of ...

Adhesive Composition For Optical Use And Adhesive Film For Optical Use Comprising Adhesive Layer Comprising Photocured Product Thereof

The present specification provides an adhesive composition for optical use, including a polybutadiene rubber having a reactive group including one or more selected from the group consisting of a hydroxy group and a (meth)acrylate group, the reactive group bonded to a main chain thereof, and an adhesive film for optical film, including an adhesive layer including a photocured product of the adhesive composition for optical use. 4. The adhesive composition of claim 1 , wherein both ends of the main chain of the polybutadiene rubber are each independently hydrogen; or a substituted or unsubstituted alkyl group having 1 to 16 carbon atoms.6. The adhesive composition of claim 1 , wherein the polybutadiene rubber has a number average molecular weight (Mn) of 10 claim 1 ,000 to 1 claim 1 ,000 claim 1 ,000.7. The adhesive composition of claim 1 , wherein the polybutadiene rubber has a hydroxyl value of 1 mgKOH/g to 20 mgKOH/g.8. The adhesive composition of claim 1 , wherein the reactive group comprises the (meth)acrylate group claim 1 , and the (meth)acrylate group is present in an amount of 1 wt % to 10 wt % based on the total weight of the polybutadiene rubber.9. The adhesive composition of claim 1 , further comprising:one or more selected from the group consisting of a photoinitiator, a photo-crosslinking agent, and an adhesion promoter.10. An adhesive film for optical use claim 1 , comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'an adhesive layer comprising a photocured product of the adhesive composition of .'}11. The adhesive film of claim 10 , wherein the adhesive layer has a glass transition temperature of −106° C. to −70° C.12. The adhesive film of claim 10 , wherein the adhesive layer has a storage modulus of 2.0 MPa to 8.0 MPa at −60° C. claim 10 , 0.4 MPa to 1.0 MPa at −40° C. claim 10 , 0.1 MPa to 1.0 MPa at 0° C. claim 10 , 0.05 MPa to 0.2 MPa at 20° C. claim 10 , and 0.05 MPa to 0.2 MPa at 60° C.13. The adhesive film of claim 10 , wherein the ...

ADHESIVE AGENT COMPOSITION HAVING IMPROVED BUBBLE STABILITY AND METHOD FOR PREPARING SAME

Provided is an adhesive composition, comprising: a copolymer in which a monomer containing 5 to 50 parts by weight of a polar functional group with respect to 100 parts by weight of a (meta) acrylic acid ester-based monomer is polymerized; and a hollow glass filler or bubbles. Also provided is a method for preparing the adhesive composition, comprising the steps of: preparing the copolymer by polymerizing 5 to 50 parts by weight of the monomer containing the polar function group, with respect to 100 parts by weight of the (meta) acrylic acid ester-based monomer; preparing a mixture by adding a surfactant, a photoinitiator, and a photocuring agent to the copolymer; and adding to the mixture the hollow glass filler or the bubbles. 1. An adhesive composition comprising:a copolymer in which 5 parts by weight to 50 parts by weight of a polar functional group-containing monomer is polymerized based on 100 parts by weight of a (meth)acrylic acid ester monomer, andhollow glass fillers or bubbles.2. The adhesive composition according to claim 1 , wherein the acrylic acid ester monomer comprises at least one selected from the group consisting of methyl (meth)acrylate claim 1 , ethyl (meth)acrylate claim 1 , n-propyl (meth)acrylate claim 1 , isopropyl (meth)acrylate claim 1 , n-butyl (meth)acrylate claim 1 , t-butyl (meth)acrylate claim 1 , sec-butyl (meth)acrylate claim 1 , pentyl (meth)acrylate claim 1 , 2-ethylhexyl (meth)acrylate claim 1 , 2-ethylbutyl (meth)acrylate claim 1 , n-octyl (meth)acrylate claim 1 , isooctyl (meth)acrylate claim 1 , isononyl (meth)acrylate claim 1 , lauryl (meth)acrylate claim 1 , tetradecyl (meth)acrylate claim 1 , and combinations thereof.3. The adhesive composition according to claim 1 , wherein the polar functional group-containing monomer comprises at least one selected from the group consisting of hydroxyl group-containing monomers claim 1 , carboxyl group-containing monomers claim 1 , nitrogen-containing monomers claim 1 , and combinations ...

ADHESIVE TAPE AND METHOD OF MANUFACTURING THEREOF

The present invention provides an adhesive tape including: a base material; and an adhesive sheet provided on one surface of the base material and including cured products of an aqueous acrylic adhesive composition, in which the adhesive sheet has a porous structure including pores, and wherein the adhesive tape has a water vapor transmission rate of 3,000 g/m·day or more and 5,000 g/m·day or less under conditions of a temperature of 40° C. and a relative humidity of 20%, and a method for manufacturing the same. 1. An adhesive tape comprising:a base material; andan adhesive sheet provided on one surface of the base material and comprising cured products of an aqueous acrylic adhesive composition,wherein the adhesive sheet has a porous structure comprising pores, and{'sup': 2', '2, 'wherein the adhesive tape has a water vapor transmission rate of 3,000 g/m·day or more and 5,000 g/m·day or less under conditions of a temperature of 40° C. and a relative humidity of 20%.'}2. The adhesive tape of claim 1 , wherein the pores have a size of 0.5 μm or more and 200 μm or less.3. The adhesive tape of claim 1 , wherein the adhesive sheet has a thickness of 10 μm or more and 100 μm or less.4. The adhesive tape of claim 1 , wherein an area ratio of pores to the adhesive sheet is 10% or more and 60% or less based on a unit area of 10 cm×10 cm.5. The adhesive tape of claim 1 , wherein the aqueous acrylic adhesive composition comprises: an acrylic resin; andone or more additives selected from the group consisting of a thermal foaming agent, a curing agent, and a surfactant.6. The adhesive tape of claim 5 , wherein the acrylic resin is a polymer of a (meth)acrylic acid ester-based monomer and a polar functional group-containing monomer.7. The adhesive tape of claim 6 , wherein a content of the polar functional group-containing monomer is 0.7 part by weight or more and 2 parts by weight or less based on 100 parts by weight of the (meth)acrylic acid ester-based monomer.8. A method for ...

ADHESIVE COMPOSITION HAVING HIGH FLEXIBILITY

The present invention relates to an adhesive composition comprising: an alkyl acrylic acid ester monomer having an alkyl carbon number of 2 to 14; an acrylic acid ester monomer containing a hydroxyl group; and a copolymer obtained by copolymerizing an acrylic acid ester monomer. The present invention also provides the adhesive composition and an adhesive film using the same, a touch panel, and an electronic device. The adhesive composition of the present invention has characteristics of high flexibility and good cutting properties, durability, transparency, etc. 1. An adhesive composition comprising:{'sub': 2', '14, 'a copolymer obtained by copolymerization of a Cto Calkyl acrylic acid ester monomer, a hydroxyl group-containing acrylic acid ester monomer, and an acrylic acid ester monomer,'}wherein the adhesive composition has a shear modulus from 15,000 Pa to 40,000 Pa, as measured at 60° C. using an ARES instrument.2. The adhesive composition according to claim 1 , wherein the hydroxyl group-containing acrylic acid ester monomer is present in an amount of 2 parts by weight to 60 parts by weight based on 100 parts by weight of the alkyl acrylic acid ester monomer.3. The adhesive composition according to claim 1 , wherein the acrylic acid ester monomer is present in an amount of 2 parts by weight to 70 parts by weight based on 100 parts by weight of the alkyl acrylic acid ester monomer.4. The adhesive composition according to claim 1 , wherein the alkyl acrylic acid ester monomer is selected from the group consisting of ethyl (meth)acrylate claim 1 , n-propyl (meth)acrylate claim 1 , isopropyl (meth)acrylate claim 1 , n-butyl (meth)acrylate claim 1 , t-butyl (meth)acrylate claim 1 , sec-butyl (meth)acrylate claim 1 , pentyl (meth)acrylate claim 1 , 2-ethylhexyl (meth)acrylate claim 1 , n-octyl (meth)acrylate claim 1 , isooctyl (meth)acrylate claim 1 , isononyl (meth)acrylate claim 1 , lauryl (meth)acrylate claim 1 , and tetradecyl (meth)acrylate.5. The adhesive ...

Multilayer Marking Film And Manufacturing Method For Multilayer Marking Film

An exemplary embodiment of the present invention provides a multilayer marking film including: an adhesive layer; a colored base layer having a first color; and a colored coating layer having a second color, in which the first color and the second color are different from each other, the colored coating layer, the colored base layer, and the adhesive layer are sequentially provided, the colored base layer includes a cured material of a base composition including: a urethane (meth)acrylate oligomer; a (meth)acrylate monomer including one or more selected from the group consisting of a cyclo-aliphatic (meth)acrylate monomer, an epoxy-based (meth)acrylate monomer, an aliphatic (meth)acrylate monomer, and a polyol-based (meth)acrylate monomer; and a pigment, and the colored coating layer is etched by laser irradiation. 1. A multilayer marking film comprising:an adhesive layer;a colored base layer having a first color; anda colored coating layer having a second color,wherein the first color and the second color are different from each other,the colored coating layer, the colored base layer, and the adhesive layer are sequentially provided,the colored base layer comprises a cured material of a base composition comprising: a urethane (meth)acrylate oligomer; a (meth)acrylate monomer comprising one or more selected from the group consisting of a cyclo-aliphatic (meth)acrylate monomer, an epoxy-based (meth)acrylate monomer, an aliphatic (meth)acrylate monomer, and a polyol-based (meth)acrylate monomer; and a pigment, andthe colored coating layer is etched by laser irradiation.2. The multilayer marking film of claim 1 , wherein the urethane (meth)acrylate oligomer has a weight average molecular weight of 2 claim 1 ,000 g/mol or more and 10 claim 1 ,000 g/mol or less.3. The multilayer marking film of claim 1 , wherein the urethane (meth)acrylate oligomer comprises three or more and six or less of (meth)acrylate groups.4. The multilayer marking film of claim 1 , wherein the ...

OPTICAL ADHESIVE FILM, METHOD FOR MANUFACTURING OPTICAL ADHESIVE FILM AND TOUCH SCREEN PANEL COMPRISING SAME

The present invention relates to an optical adhesive film including plate-type inorganic nanoparticles and a curable resin. The optical adhesive film has improved barrier characteristics to moisture and gas, improved light-transmittance, and excellent durability and peel characteristics. 1. An optical adhesive film comprising:plate-type inorganic nanoparticles; anda curable resin.2. The optical adhesive film of claim 1 , wherein the plate-type inorganic nanoparticles have a plate shape in which a thickness is 1 nm to 100 nm.3. The optical adhesive film of claim 1 , wherein the plate-type inorganic nanoparticles have a ratio of a thickness to a long diameter in a plate shape of 1:50 to 1:200.4. The optical adhesive film of claim 1 , wherein the plate-type inorganic nanoparticles include at least one layer constituting a layered clay compound.5. The optical adhesive film of claim 4 , wherein the layered clay compound includes one selected from the group consisting of mica claim 4 , smectite claim 4 , vermiculite claim 4 , clorite claim 4 , montmorillonite (MMT) claim 4 , nontronite claim 4 , saponite claim 4 , hectorite claim 4 , bentonite and combinations thereof.6. The optical adhesive film of claim 4 , wherein in the layered clay compound claim 4 , a hydrophilic functional group is substituted with a C12-C18 alkyl group.7. The optical adhesive film of claim 1 , wherein the curable resin is an acrylic photocurable resin polymerized with a monomer including one selected from the group consisting of 2-ethyl hexyl acrylate (2-EHA) claim 1 , isobornyl acrylate (IBOA) claim 1 , hydroxy ethyl acrylate (HEA) claim 1 , hydroxyl butyl acrylate (HBA) claim 1 , hydroxy propyl acrylate (HPA) claim 1 , hexyl methacrylate (HMA) claim 1 , and combinations thereof.8. The optical adhesive film of claim 1 , wherein the curable resin has an amount of 100 parts by weight and the layered clay compound has an amount of 1 to 20 parts by weight.9. The optical adhesive film of claim 1 , ...

ADHESIVE COMPOSITION FOR TOUCH PANEL, ADHESIVE FILM AND TOUCH PANEL

Provided are an adhesive composition for a touch panel, including: a hydrophilic functional group-containing monomer, wherein a dielectric constant at a frequency of 100 kHz to 2 MHz is 3.5 or less, and an adhesive film having an adhesive layer including a cured product of the adhesive composition for a touch panel. In addition, provided is a touch panel including: a conductive plastic film having a conductive layer formed on one surface; and an adhesive layer attached onto the conductive layer and including a cured product of the adhesive composition for a touch panel. 1. An adhesive composition for a touch panel , comprising:a hydrophilic functional group-containing monomer,wherein a dielectric constant at a frequency of 100 kHz to 2 MHz is 3.5 or less.2. The adhesive composition for a touch panel of claim 1 , wherein the hydrophilic functional group-containing monomer is at least one selected from the group consisting of a hydroxyl group-containing monomer claim 1 , an amino group-containing monomer claim 1 , a carboxyl group-containing monomer claim 1 , a sulfonic group-containing monomer claim 1 , a morpholine group-containing monomer claim 1 , a glycidyl group-containing monomer claim 1 , and combinations thereof.3. The adhesive composition for a touch panel of claim 1 , wherein the hydrophilic functional group-containing monomer has a content of 30 parts by weight or less claim 1 , based on 100 parts by weight of a (meth)acrylic acid ester-based monomer.4. The adhesive composition for a touch panel of claim 3 , wherein a polymer molecular weight of the (meth)acrylic acid ester-based monomer and the hydrophilic functional group-containing monomer is 600 claim 3 ,000 to 1 claim 3 ,200 claim 3 ,000.5. The adhesive composition for a touch panel of claim 3 , wherein the (meth)acrylic acid ester-based monomer is alkyl(meth)acrylate claim 3 , and alkyl of the alkyl(meth)acrylate is linear or branched C-Calkyl.6. The adhesive composition for a touch panel of claim 3 ...

RUBBER-BASED ADHESIVE COMPOSITION AND RUBBER-BASED ADHESIVE USING SAME

The present invention relates to a rubber-based adhesive composition and a rubber-based adhesive using the same, the composition including: a rubber-based resin; and a rosin-based resin having at least one hydrophilic group. 1. A rubber-based adhesive composition comprising:a rubber-based resin; anda rosin-based resin having at least one hydrophilic group,wherein the rosin-based resin has two to six hydrophilic groups, andwherein at least one of the two to six hydrophilic groups is a carboxyl group, and at least another one of the two to six hydroxyl groups is selected from the group consisting of a hydroxyl group, a carbonyl group, a sulfonic group, an amino group, and a phosphoric acid group.23.-. (canceled)5. The rubber-based adhesive composition of claim 1 , wherein the rosin-based resin has a softening point of 70° C. to 110° C.6. The rubber-based adhesive composition of claim 1 , wherein the rosin-based resin is comprised in an amount of 1 part by weight to 40 parts by weight based on 100 parts by weight of the rubber-based adhesive composition.7. The rubber-based adhesive composition of claim 1 , wherein the rubber-based resin comprises one or more selected from the group consisting of a butyl-based rubber claim 1 , a styrene-butadiene-styrene (SBS)-based rubber claim 1 , a styrene-butadiene (SB)-based rubber claim 1 , a styrene-isoprene-styrene (SIS)-based rubber claim 1 , a styrene-ethylene-butylene-styrene (SEBS)-based rubber claim 1 , and a natural rubber (LATEX).8. The rubber-based adhesive composition of claim 7 , wherein the butyl-based rubber comprises one or more selected from the group consisting of a butyl rubber claim 7 , a bromo butyl rubber claim 7 , and a chlorinated butyl rubber.9. The rubber-based adhesive composition of claim 1 , wherein the rubber-based resin is comprised in an amount of 50 parts by weight to 80 parts by weight based on 100 parts by weight of the rubber-based adhesive composition.10. The rubber-based adhesive composition of ...

RUBBER-BASED ADHESIVE COMPOSITION AND RUBBER-BASED ADHESIVE USING SAME

The present invention relates to a rubber-based adhesive composition and a rubber-based adhesive using the same, the composition including: a rubber-based resin; and a rosin-based resin having at least one hydrophilic group. 1. A rubber-based adhesive composition comprising:a rubber-based resin; anda rosin-based resin having at least one hydrophilic group.2. The rubber-based adhesive composition of claim 1 , wherein the rosin-based resin has one or more hydrophilic groups selected from the group consisting of a carboxyl group claim 1 , a hydroxyl group claim 1 , a carbonyl group claim 1 , a sulfonic acid group claim 1 , an amino group claim 1 , and a phosphoric acid group.3. The rubber-based adhesive composition of claim 1 , wherein the rosin-based resin has two to six hydrophilic groups.5. The rubber-based adhesive composition of claim 1 , wherein the rosin-based resin has a softening point of 70° C. to 110° C.6. The rubber-based adhesive composition of claim 1 , wherein the rosin-based resin is comprised in an amount of 1 part by weight to 40 parts by weight based on 100 parts by weight of the rubber-based adhesive composition.7. The rubber-based adhesive composition of claim 1 , wherein the rubber-based resin comprises one or more selected from the group consisting of a butyl-based rubber claim 1 , a styrene-butadiene-styrene (SBS)-based rubber claim 1 , a styrene-butadiene (SB)-based rubber claim 1 , a styrene-isoprene-styrene (SIS)-based rubber claim 1 , a styrene-ethylene-butylene-styrene (SEBS)-based rubber claim 1 , and a natural rubber (LATEX).8. The rubber-based adhesive composition of claim 7 , wherein the butyl-based rubber comprises one or more selected from the group consisting of a butyl rubber claim 7 , a bromo butyl rubber claim 7 , and a chlorinated butyl rubber.9. The rubber-based adhesive composition of claim 1 , wherein the rubber-based resin is comprised in an amount of 50 parts by weight to 80 parts by weight based on 100 parts by weight of ...

ADHESIVE TAPE FOR CAR

The present invention provides a pressure sensitive adhesive tape comprising: an acrylic foam layer; and rubber-based adhesive layers which are formed on both sides of said acrylic foam layer, wherein the content of gel in said rubber-based adhesive layers is 40% or more. Furthermore, in order to accomplish the object of the present invention, a method for manufacturing a pressure sensitive adhesive layer is provided, and the method comprises the steps of: manufacturing an acrylic foam layer; and forming rubber-based adhesive layers on one side or both sides of said acrylic foam layer, wherein said step of forming the rubber-based adhesive layers comprises the steps of: manufacturing a styrene block copolymer; forming rubber-based adhesive layers by adding an adhesive additive and a plasticizer to said styrene block copolymer; and setting the content of gel in said rubber-based adhesive layers to 40% or more. 1. A pressure-sensitive adhesive tape comprising:an acrylic foam layer; andrubber-based adhesive layers formed on both sides of the acrylic foam layer,wherein the rubber-based layers contain a gel content of 40% or more.2. The pressure-sensitive adhesive tape according to claim 1 , wherein the adhesive layers are cured by electron beam irradiation.3. The pressure-sensitive adhesive tape according to claim 2 , wherein electron beam irradiation is performed at an irradiation dosage from 300 kGy to 500 kGy.4. The pressure-sensitive adhesive tape according to claim 1 , wherein the acrylic foam layer comprises: a Cto Calkyl group-containing (meth)acrylic acid ester monomer; and acrylic acid.5. The pressure-sensitive adhesive tape according to claim 4 , wherein the Cto Calkyl group-containing (meth)acrylic acid ester monomer is present in an amount of 85 wt % to 95 wt % claim 4 , and the acrylic acid is present in an amount of 5 wt % to 15 wt %.6. The pressure-sensitive adhesive tape according to claim 1 , wherein the acrylic foam layer comprises: 0.01 parts by ...

MODIFIED ISOBUTYLENE-ISOPRENE RUBBER, PREPARATION METHOD THEREFOR, AND CURED PRODUCT

Provided is a novel modified isobutylene-isoprene rubber (IIR). 3. The modified isobutylene-isoprene rubber of claim 1 , wherein the modified isobutylene-isoprene rubber comprises 0.5 mol % to 10.0 mol % of the structural unit of Chemical Formula 14 in the entire structural units.4. The modified isobutylene-isoprene rubber of claim 1 , wherein the modified isobutylene-isoprene rubber does not comprise a sulfur atom and a halogen atom.5. (canceled)6. (canceled)9. The modified isobutylene-isoprene rubber of claim 7 , wherein the intermediate modified isobutylene-isoprene rubber comprises 0.5 mol % to 10.0 mol % of the structural unit of Chemical Formula 1 in the entire structural units.11. A cured product formed by thermally curing or photo-curing a composition comprising the modified isobutylene-isoprene rubber of .12. The cured product of claim 11 , wherein the cured product does not comprise a sulfur atom and a halogen atom.13. The cured product of claim 11 , wherein the cured product has a gel fraction of 10% or more.14. (canceled)18. The method of claim 15 , wherein 0.5 part by weight to 20 parts by weight of the aziridine-based compound is reacted based on 100 parts by weight of the primary modified isobutylene-isoprene rubber.23. The method of claim 19 , wherein 0.5 part by weight to 10 parts by weight of the acid anhydride is added to the primary modified isobutylene-isoprene rubber based on 100 parts by weight of the primary modified isobutylene-isoprene rubber. The present invention relates to a modified isobutylene-isoprene rubber, a preparation method therefor, and a cured product.In general, an isobutylene-isoprene rubber has been used for an adhesive composition and an adhesive sheet due to excellent chemical resistance, excellent water vapor resistance, excellent electrical insulation properties, and the like, but has a problem in that it is difficult to cure the rubber because the rubber contains a small amount of unsaturated bonds.In order to solve ...

Multilayer Adhesive Tape

Provided is a multilayer adhesive tape having excellent step coverage and reworkability. The multilayer adhesive tape sequentially includes: a first outer adhesive layer; an intermediate adhesive layer; and a second outer adhesive layer, in which the intermediate adhesive layer includes an intermediate adhesive polymer including: a polymerization unit of an alkyl group-containing (meth)acrylate monomer; a polymerization unit of a carboxyl group-containing monomer; and a polymerization unit of an acrylamide-based monomer. 1. A multilayer adhesive tape sequentially comprising:a first outer adhesive layer;an intermediate adhesive layer; anda second outer adhesive layer,wherein the intermediate adhesive layer comprises an intermediate adhesive polymer comprising: a polymerization unit of an alkyl group-containing (meth)acrylate monomer; a polymerization unit of a carboxyl group-containing monomer; and a polymerization unit of an acrylamide-based monomer.2. The multilayer adhesive tape of claim 1 , wherein a content of the polymerization unit of a carboxyl group-containing monomer is from 1 part by weight to 15 parts by weight based on 100 parts by weight of the intermediate adhesive polymer.3. The multilayer adhesive tape of claim 1 , wherein a content of the polymerization unit of an acrylamide-based monomer is from 1 part by weight to 15 parts by weight based on 100 parts by weight of the intermediate adhesive polymer.4. The multilayer adhesive tape of claim 1 , wherein a weight ratio of the polymerization unit of a carboxyl group-containing monomer to the polymerization unit of a acrylamide-based monomer is 1:0.1 to 1:1.8.5. The multilayer adhesive tape of claim 1 , wherein the first outer adhesive layer and the second outer adhesive layer each comprise an outer adhesive polymer comprising: a polymerization unit of an alkyl group-containing (meth)acrylate monomer; and a polymerization unit of a crosslinkable monomer.6. The multilayer adhesive tape of claim 5 , ...

ADHESIVE COMPOSITION CONTAINING UV CURABLE RUBBER, AND PROTECTIVE FILM USING SAME

The present invention provides an adhesive composition for a protective film, comprising a UV curable rubber having a degree of unsaturation of 70-85%. In addition, the present invention provides a protective film formed with the adhesive composition for a protective film. 1. An adhesive composition for protective films , comprising:a UV curable rubber having a degree of unsaturation from 70% to 85%.2. The adhesive composition according to claim 1 , wherein the UV curable rubber comprises at least one selected from the group consisting of isoprene claim 1 , styrene claim 1 , polybutadiene claim 1 , acrylonitrile butadiene claim 1 , butyl claim 1 , polychloroprene claim 1 , urethane claim 1 , and acrylic rubbers.3. The adhesive composition according to claim 2 , wherein the styrene rubber comprises at least one selected from the group consisting of styrene-isoprene-styrene block copolymers claim 2 , styrene-butadiene-styrene block copolymers claim 2 , styrene-butylene-styrene block copolymers claim 2 , styrene-propylene-styrene block copolymers claim 2 , acrylonitrile-butylene-styrene copolymers claim 2 , and carboxylic acid derivatives thereof.4. The adhesive composition according to claim 2 , wherein the styrene rubber comprises styrene in an amount of 15% to 30%.5. The adhesive composition according to claim 1 , wherein the UV curable rubber has a weight average molecular weight from 30 claim 1 ,000 to 60 claim 1 ,000.6. The adhesive composition according to claim 1 , wherein the UV curable rubber has a glass transition temperature from −60° C. to −40° C.7. The adhesive composition according to claim 1 , wherein the UV curable rubber has a surface energy from 30 mN/m to 40 mN/m.8. The adhesive composition according to claim 1 , further comprising:0.1 parts by weight to 1 part by weight of a photopolymerization initiator based on 100 parts by weight of the UV curable rubber.9. A protective film formed of the adhesive composition according to .10. The protective ...

Composition for forming electronic paper without particle freezing, and adhesive film prepared thereby

Disclosed is a sealing film for electronic paper having a multilayered structure. The multilayered film for electronic paper comprising a layered structure according to the present invention comprises: (a) a sealing layer formed with a material comprising a UV curable polymer resin composition or a UV transmitting polymer resin composition; and (b) a tack-free adhesive layer formed with a material comprising a UV curable polymer resin. The sealing film has excellent sealing properties and is tack-free at room temperature, and thus it is possible to minimize freezing of electrostatic particles inside a microcup sticking to the surface of a sealing material during manipulation thereof.

PHOTOTHERMAL CONVERSION FILM HAVING GOOD VISIBLE LIGHT PENETRABILITY, AND TRANSFER FILM FOR OLED USING SAME

Disclosed are a photothermal conversion film having good photothermal conversion effects and also good visible light penetrability, and a transfer film for an OLED using same. The photothermal conversion film according to the present invention comprises a base film and a photothermal conversion layer formed on the base film, wherein the photothermal conversion layer includes a tungsten oxide-based material and has visible light penetrability of 20% or greater. 1. A photothermal conversion film comprising:a base film; anda photothermal conversion layer formed on the base film,wherein the photothermal conversion layer comprises a tungsten oxide-based material and has a visible light transmittance of 20% or more.2. The photothermal conversion film according to claim 1 , wherein the tungsten oxide-based material comprises tungsten oxide powder.3. The photothermal conversion film according to claim 1 , wherein the tungsten oxide-based material comprises hydrogen or metal-containing tungsten oxide powder (MWO claim 1 , M being hydrogen or metal claim 1 , 0.1 Подробнее

ADHESIVE FILM HAVING GOOD MACHINABILITY FOR PROTECTING THE SURFACE OF A SEMICONDUCTOR WAFER

The present invention relates to an adhesive film for protecting a wafer including an adhesive layer formed on one surface of a substrate film. The present invention relates to an adhesive film for protecting the surface of a semiconductor wafer, wherein the surface film has a tensile strength of 2-10 kg/mmand an elongation until breakage of 50-200%, and the gel content of the adhesive layer is greater than or equal to 80%. The adhesive film for protecting the wafer maintains cutting ability and machinability, while preventing the generation of bending and wafer breaking phenomena due to the decrease of the wafer thickness. In addition, the adhesive film may not melt at high temperatures, and the yield while grinding the wafer may be increased. 1. An adhesive film for protecting a surface of a semiconductor wafer , comprising:a base film; andan adhesive layer formed on one surface of the base film,{'sup': 2', '2, 'wherein the base film has a tensile strength from 2 kg/mmto 10 kg/mmand an elongation at break from 50% to 200%, and the adhesive layer has a gel content of 80% or more.'}2. The adhesive film according to claim 1 , wherein the adhesive film has higher peel strength before UV irradiation than peel strength after UV irradiation.3. The adhesive film according to claim 1 , wherein the adhesive film has a peel strength before UV irradiation from 400 g/in to 1200 g/in claim 1 , and a peel strength after UV irradiation from 20 g/in to 200 g/in.4. The acrylic resin film according to claim 1 , wherein the base film comprises at least one selected from the group consisting of polyvinyl chloride claim 1 , polyurethane claim 1 , polyolefin claim 1 , ethylene-vinyl acetate copolymer claim 1 , and ethylene-alkyl acrylate copolymer films.5. The acrylic resin film according to claim 1 , wherein the base film has a thickness from 50 μm to 300 μm.6. A method for preparing an adhesive film for protecting a surface of a semiconductor wafer claim 1 , comprising:forming a base ...

Multi-Layer Adhesive Tape

A multilayer adhesive tape in which an interface separation between layers does not occur even at in extremely low temperature atmosphere is provided. The multilayer adhesive tape sequentially includes: a first outer adhesive layer; an intermediate adhesive layer; and a second outer adhesive layer, in which attaching force among the first outer adhesive layer, the intermediate adhesive layer, and the second outer adhesive layer is maintained after the multilayer adhesive tape is treated in liquefied nitrogen for 15 seconds. 1. A multilayer adhesive tape sequentially comprising:a first outer adhesive layer;an intermediate adhesive layer; anda second outer adhesive layer,wherein attaching force among the first outer adhesive layer, the intermediate adhesive layer, and the second outer adhesive layer is maintained after the multilayer adhesive tape is treated in liquefied nitrogen for 15 seconds.2. The multilayer adhesive tape of claim 1 , further comprising:a first interface mixture layer provided between the first outer adhesive layer and the intermediate adhesive layer; anda second interface mixture layer provided between the second outer adhesive layer and the intermediate adhesive layer.3. The multilayer adhesive tape of claim 2 , wherein the first interface mixture layer comprises both a material constituting the first outer adhesive layer and a material constituting the intermediate adhesive layer claim 2 , and the second interface mixture layer comprises both a material constituting the second outer adhesive layer and a material constituting the intermediate adhesive layer.4. The multilayer adhesive tape of claim 1 , wherein a glass transition temperature of the intermediate adhesive layer is higher than glass transition temperatures of the first outer adhesive layer and the second outer adhesive layer claim 1 , anda difference between the glass transition temperature of each of the first outer adhesive layer and the second outer adhesive layer and the glass ...

RUBBER-BASED ADHESIVE COMPOSITION HAVING EXCELLENT DURABILITY

The present invention relates to an adhesive composition including: a butyl-based rubber; and a tackifier having a softening point of 90° C. or more. 1. An adhesive composition comprising:a butyl-based rubber; anda tackifier having a softening point of 90° C. or more.2. The adhesive composition of claim 1 , wherein the butyl-based rubber includes at least one selected from the group consisting of a butyl rubber claim 1 , a bromo-butyl rubber claim 1 , and a chlorinated butyl rubber.3. The adhesive composition of claim 1 , wherein the butyl-based rubber has a weight average molecular weight of 50 claim 1 ,000 to 2 claim 1 ,000 claim 1 ,000.4. The adhesive composition of claim 1 , wherein the butyl-based rubber is formed by polymerizing a mixture including 1 mol % to 5 mol % of isoprene relative to 100 mol % of the total monomer.5. The adhesive composition of claim 1 , wherein the butyl-based rubber has an amount of 50wt % to 90 wt % relative to total weight of the adhesive composition.6. The adhesive composition of claim 1 , wherein the tackifier is a rosin-based resin claim 1 , a rosin ester-based resin claim 1 , a linear hydrocarbon-based resin or a cyclic olefin-based resin to which hydrogen is added.7. The adhesive composition of claim 1 , wherein the tackifier has a weight average molecular weight of 500 to 2 claim 1 ,000.8. The adhesive composition of claim 1 , wherein the tackifier has an amount of 5 wt % to 40 wt % relative to total weight of the adhesive composition.9. The adhesive composition of claim 1 , further comprising:at least one selected from the group consisting of a UV curing agent, a UV stabilizer, a photoinitiator, a thermal initiator, an antioxidant, a filler and a plasticizer.10. The adhesive composition of claim 1 , wherein a water vapor transmission rate (WVTR) of the adhesive composition is 10 g/m·24 hr at a temperature of 38° C. and relative humidity of 90%. The present invention relates to a rubber-based adhesive composition having ...

Photocurable adhesive composition

Provided is an adhesive composition comprising: a thermosetting epoxy resin formed with an epoxy copolymer containing a hydroxyl group; and a UV curable epoxy resin having an epoxy equivalence of 100 g/eq to 500 g/eq.

FLAME RETARDANT ADHESIVE AGENT COMPOSITION HAVING IMPROVED GAS BUBBLE STABILITY, AND METHOD FOR PREPARING SAME

Provided is an adhesive agent composition comprising: a copolymer in which a polar functional group-containing monomer is polymerized by the content ratio of 10 weight parts to 50 weight parts with respect to 100 weight parts of a (meth)acrylic acid ester-based monomer; thermally conductive inorganic fillers; and a hollow glass filler or gas bubbles. Also provided is a method for preparing the adhesive agent composition, comprising the steps of: preparing a copolymer by polymerizing a polar functional group-containing monomer by the content ratio of 10 weight parts to 50 weight parts with respect to 100 weight parts of a (meth)acrylic acid ester-based monomer; adding thermally conductive inorganic fillers, a surface-active agent, a photoinitiator, and a photocuring agent to the copolymer to prepare a mixture; and adding a hollow glass filler or injecting gas bubbles into the mixture. 1. An adhesive composition comprising:a copolymer in which 10 parts by weight to 50 parts by weight of a polar functional group-containing monomer is polymerized based on 100 parts by weight of a (meth)acrylic acid ester monomer;thermally conductive inorganic fillers; andhollow glass fillers or bubbles.2. The adhesive composition according to claim 1 , wherein the acrylic acid ester monomer comprises at least one selected from the group consisting of methyl (meth)acrylate claim 1 , ethyl (meth)acrylate claim 1 , n-propyl(meth)acrylate claim 1 , isopropyl(meth)acrylate claim 1 , n-butyl (meth)acrylate claim 1 , t-butyl (meth)acrylate claim 1 , sec-butyl(meth)acrylate claim 1 , pentyl(meth)acrylate claim 1 , 2-ethylhexyl(meth)acrylate claim 1 , 2-ethylbutyl (meth)acrylate claim 1 , n-octyl(meth)acrylate claim 1 , isooctyl(meth)acrylate claim 1 , isononyl(meth)acrylate claim 1 , lauryl(meth)acrylate claim 1 , tetradecyl(meth)acrylate claim 1 , and combinations thereof.3. The adhesive composition according to claim 1 , wherein the polar functional group-containing monomer comprises at least ...

RUBBER-BASED ADHESIVE COMPOSITION AND RUBBER-BASED ADHESIVE TAPE FOR AUTOMOBILE USING THE SAME

The present invention relates to a rubber-based adhesive composition containing: a styrene-butadiene-styrene (SBS) rubber; a hardener; and an adhesion enhancer, the adhesion enhancer being contained in 50 to 100 parts by weight based on 100 parts by weight of the styrene-butadiene-styrene (SBS) rubber, and to a rubber-based adhesive tape for an automobile using the same.

HIGH-REFRACTIVE ADHESIVE FILM AND TOUCH PANEL INCLUDING THE SAME

A high-refractive adhesive film includes: a thermosetting resin matrix; and high refractive particles dispersed in the thermosetting resin matrix. The refraction index of the high-refractive particles is higher than that of the thermosetting resin matrix. 1. A high-refractive adhesive film comprising:a thermosetting resin matrix; andhigh refractive particles dispersed in the thermosetting resin matrix,wherein a refraction index of the high-refractive particles is higher than that of the thermosetting resin matrix.2. The high-refractive adhesive film of claim 1 , wherein the refraction index of the high-refractive particles ranges from 1.55 to 2.42.3. The high-refractive adhesive film of claim 1 , wherein 0.1 to 10 parts by weight of the high refractive particles per 100 parts by weight of the thermosetting resin matrix are included.4. The high-refractive adhesive film of claim 1 , wherein an average diameter of the high refractive particles ranges from 0.01 μM to 10 μm.5. The high-refractive adhesive film of claim 1 , wherein the refractive particles includes one selected from the group consisting of: zirconium oxide (ZrO) claim 1 , titanium oxide (TiO) claim 1 , 3-vinylaniline claim 1 , barium titanate claim 1 , fluorene epoxy modified acrylate claim 1 , nibium oxide claim 1 , cerium oxide claim 1 , zinc sulfide and a combination thereof.6. The high-refractive adhesive film of claim 1 , wherein a thickness of the high-refractive adhesive film ranges from 25 μm to 250 μm.7. The high-refractive adhesive film of claim 1 , wherein the thermosetting resin matrix is formed by curing an epoxy acrylate photo-curable resin composition or an acrylic photo-curable resin composition that includes one selected from the group consisting of: 2-ethylhexyl acylate (2-EHA) claim 1 , isobornyl acrylate (IBOA) claim 1 , hydroxy ethyl acrylate (HEA) claim 1 , hydroxy butyl acrylate (HBA) claim 1 , hydroxy propyl acrylate (HPA) claim 1 , hexyl methacrylate (HMA) and a combination ...

ADHESIVE COMPOSITION FOR HEAT DISSIPATING ADHESIVE TAPE, AND HEAT DISSIPATING ADHESIVE TAPE

Provided is an adhesive composition for a heat dissipating adhesive tape, the adhesive composition comprising a (meth)acrylic acid ester based photocurable resin, a thermal conductive filler, and a benzotriazole-based compound. 1. An adhesive composition for a heat dissipating adhesive tape , the adhesive composition comprising:a (meth)acrylic acid ester-based photocurable resin;a thermal conductive filler; anda benzotriazole-based compound.2. The adhesive composition of claim 1 , wherein the (meth)acrylic acid ester-based photocurable resin is a copolymer of a (meth)acrylic acid ester-based monomer and a functional group-containing cross-linking monomer.3. The adhesive composition of claim 2 , wherein the functional group-containing cross-linking monomer is a hydroxyl group-containing cross-linking monomer.4. The adhesive composition of claim 3 , wherein the hydroxyl group-containing cross-linking monomer comprises at least one selected from the group consisting of 2-hydroxyethyl (meth)acrylate claim 3 , 2-hydroxypropyl (meth)acrylate claim 3 , 4-hydroxybutyl (meth)acrylate claim 3 , 6-hydroxyhexyl (meth)acrylate claim 3 , 8-hydroxyoctyl (meth)acrylate claim 3 , 2-hydroxyethylene glycol (meth)acrylate claim 3 , 2-hydroxypropylene glycol (meth)acrylate claim 3 , and a combination thereof.5. The adhesive composition of claim 3 , wherein the hydroxyl group-containing cross-linking monomer is polymerized at an amount ratio in a range of about 0.1 wt % to about 50 wt % in monomer components that constitute the (meth)acrylic acid ester-based photocurable resin.6. The adhesive composition of claim 3 , wherein the (meth)acrylic acid ester-based photocurable is free of a carboxylic group.7. The adhesive composition of claim 1 , wherein the (meth)acrylic acid ester-based monomer comprises at least one selected from the group consisting of methyl(meth)acrylate claim 1 , ethyl(meth)acrylate claim 1 , n-propyl(meth)acrylate claim 1 , isopropyl(meth)acrylate claim 1 , n-butyl( ...

SEMI-HARDENED PRESSURE-SENSITIVE ADHESIVE FILM

Disclosed is a semi-hardened pressure sensitive adhesive film to be used in the semi-hardened state and having excellent printing step absorption properties. The adhesive film according to the present invention contains a radial polymer composition and a cationic polymer composition, and the radial polymer composition is primarily cross-linked to maintain the semi-hardened state. When applied onto a substrate through a printing step, the present invention has excellent step absorption properties and adhesion properties and excellent durability even under high-temperature and high-humidity conditions. 112-. (canceled)13. A method of preparing an adhesive film comprising:(a) preparing an adhesive composition comprising a radical polymerizable composition and a cation polymerizable composition;{'sup': 2', '2, '(b) forming a semi-cured adhesive film by performing a primary crosslinking of the radical polymerizable composition by UV irradiation at an irradiance from 1 mW/cmto 10 mW/cm,'}(c) attaching the semi-cured adhesive film to a substrate having print steps, and{'sup': 2', '2, '(d) forming a complete-cured adhesive film by performing a secondary crosslinking of the cation polymerizable composition by UV irradiation at an irradiance from 50 mW/cmto 150 2 mW/cm.'}14. The method of preparing the adhesive film according to claim 13 ,wherein the radical polymerizable composition comprises a compound having at least one unsaturated double bond and a photopolymerization initiator.15. The method of preparing the adhesive film according to claim 14 ,wherein the compound having at least one unsaturated double bond comprises at least one of acrylic monomers and acrylic prepolymers.16. The method of preparing the adhesive film according to claim 13 ,wherein the photopolymerization initiator comprises at least one of acetophenone, benzophenone, Michler's ketone, benzoin, benzylmethylketal, benzoyl benzoate, α-acyloxime ester, and thioxanthone initiators.17. The method of ...

PHOTO-CURABLE RESIN COMPOSITION FOR ADHESIVE FILM AND ADHESIVE FILM

Disclosed is a photo-curable resin composition for an adhesive film comprising a (meth)acrylic acid ester-based photo-curable resin which is end-capped and cross-linked with a multifunctional molecular weight regulator. 1. A photo-curable resin composition for an adhesive film comprising a (meth)acrylic acid ester-based photo-curable resin which is end-capped and cross-linked with a multifunctional molecular weight regulator.2. The photo-curable resin composition of claim 1 , wherein the (meth)acrylic acid ester-based photo-curable resin has a weight average molecular weight of 3 claim 1 ,000 claim 1 ,000 to 15 claim 1 ,000 claim 1 ,000.3. The photo-curable resin composition of claim 1 , wherein the multifunctional molecular weight regulator is multifuntional as having at least two functional groups.4. The photo-curable resin composition of claim 1 , wherein the multifunctional molecular weight regulator is a tri-functional to hexa-functional thiol-containing compound.5. The photo-curable resin composition of claim 1 , wherein the multifunctional molecular weight regulator comprises at least one selected from the group consisting of tris-[(3-mercaptopropionyloxy)-ethyl]isocyanurate claim 1 , trimethylolpropane tris-3-mercaptopropionate claim 1 , pentaerythritol tetrakis-3-mercaptopropionate claim 1 , dipentaerythritol hexa-3-mercaptopropionate claim 1 , pentaerythritol tetrakis(3-mercaptobutyrate) claim 1 , and combinations thereof.6. The photo-curable resin composition of claim 1 , wherein the (meth)acrylic acid ester-based photo-curable resin is polymerized by mixing 100 parts by weight of (meth)acrylic acid ester-based monomers and 0.001 to 1.0 parts by weight of the molecular weight regulator.7. The photo-curable resin composition of claim 6 , wherein the (meth)acrylic acid ester-based monomers are a cured material of an acrylic photo-curable resin composition or an epoxy acrylate-based photo-curable resin composition comprising at least one selected from the ...

Composition for foam tape base material, foam tape using same, and method for manufacturing composition for foam tape base material

Disclosed are a composition for a foam tape base material having high bubble stability and superior peel strength. The composition for the foam tape according to the present invention comprises an acrylic monomer, a radical initiator, a cross-linking agent, a porous filler, and a surfactant, wherein the surfactant comprises 60 to 90 wt % of a siloxane polymer and 10 to 40 wt % of a non-siloxane polymer, thereby providing the advantage of manufacturing the foam tape manufactured using the composition that is economical, does not lose adhesive force, and has superior bubble stability compared to existing foam tapes.

ADHESIVE COMPOSITION FOR TOUCH PANEL, ADHESIVE FILM, AND TOUCH PANEL

Provided is a urethane adhesive composition for a touch panel having a glass transition temperature between −20° C. to −50° C., and which, as a cured composition, has an elasticity of 50,000 Pa to 70,000 Pa at 60° C. to 80° C. 1. A urethane-based adhesive composition for touch panels , the urethane-based adhesive composition having a glass transition temperature of about −20° C. to about −50° C. , wherein a cured product of the urethane-based adhesive composition has a modulus of about 50 ,000 Pa to about 70 ,000 Pa , as measured at about 60° C. to about 80° C.2. The urethane-based adhesive composition for touch panels according to claim 1 , comprising:a urethane-based curable compound; a (meth)acrylic acid ester monomer; and a crosslinkable monomer.3. The urethane-based adhesive composition for touch panels according to claim 2 , wherein the (meth)acrylic acid ester monomer is present in an amount of about 5 parts by weight to about 100 parts by weight based on 100 parts by weight of the urethane-based curable compound.4. The urethane-based adhesive composition for touch panels according to claim 2 , wherein the crosslinkable monomer is present in an amount of about 0.01 parts by weight to about 10 parts by weight based on 100 parts by weight of the urethane-based curable compound.5. The urethane-based adhesive composition for touch panels according to claim 2 , wherein the (meth)acrylic acid ester monomer comprises alkyl(meth)acrylate claim 2 , and the alkyl of the alkyl(meth)acrylate comprises a linear or branched Cto Calkyl.6. The urethane-based adhesive composition for touch panels according to claim 2 , wherein the (meth)acrylic acid ester monomer comprises one selected from the group consisting of methyl(meth)acrylate claim 2 , ethyl(meth)acrylate claim 2 , n-propyl(meth)acrylate claim 2 , isopropyl(meth)acrylate claim 2 , n-butyl(meth)acrylate claim 2 , t-butyl(meth)acrylate claim 2 , sec-butyl(meth)acrylate claim 2 , pentyl(meth)acrylate claim 2 , 2- ...

Adhesive Composition and Adhesive Film

An adhesive composition and an adhesive film are provided. 2. The adhesive composition of claim 1 , wherein a glass transition temperature of the low molecular weight prepolymer is −50° C. to 100° C.3. The adhesive composition of claim 1 , wherein the photopolymerizable functional group is at least one selected from the group consisting of a benzophenone-based functional group claim 1 , a quinone-based functional group and a thioxanthone-based functional group.4. The adhesive composition of claim 1 , wherein the content of the low molecular weight prepolymer is 40 parts by weight to 70 parts by weight with respect to 100 parts by weight of the adhesive composition.5. The adhesive composition of claim 1 , wherein the content of the third (meth)acrylate monomer is 30 parts by weight to 60 parts by weight with respect to 100 parts by weight of the adhesive composition.6. The adhesive composition of claim 1 , wherein each of the second (meth)acrylate monomer and the third (meth)acrylate monomer independently includes at least one monomer selected from the group consisting of an aliphatic functional group-containing (meth)acrylate monomer claim 1 , an alicyclic functional group-containing (meth)acrylate monomer claim 1 , and a polar functional group-containing (meth)acrylate monomer.7. An adhesive film produced using the adhesive composition according to .8. The adhesive film of claim 7 , wherein the adhesive film is a semi-cured adhesive film produced by primary curing of the adhesive composition.9. The adhesive film of claim 8 , wherein the adhesive film is a fully cured adhesive film produced by additionally curing after the primary curing.10. The adhesive film of claim 8 , wherein a difference between a room temperature storage modulus and a high temperature storage modulus of the semi-cured adhesive film is 0.03 MPa or more.11. The adhesive film of claim 8 , wherein an adhesive strength of the semi-cured adhesive film to a glass base is 3.0 kgf/in or more.12. The ...

Pressure-sensitive Adhesive Composition, Polarizing Plate, And Optical Member

The present application relates to a photocurable solventless pressure-sensitive adhesive composition, a pressure-sensitive adhesive polarizing plate and a display device. According to the present application, a pressure-sensitive adhesive composition, a polarizing plate and a liquid crystal device, which have excellent durability and antistatic abilities, can be provided. 2. The pressure-sensitive adhesive polarizing plate according to claim 1 , wherein the second resin has a weight average molecular weight of less than 1 claim 1 ,000 claim 1 ,000.3. The pressure-sensitive adhesive polarizing plate according to claim 1 , comprising 40 parts by weight to 95 parts by weight of the first resin and 5 parts by weight to 60 parts by weight of the second resin.4. The pressure-sensitive adhesive polarizing plate according to claim 1 , wherein the first resin comprises polymerized units derived from a (meth)acrylic acid ester monomer.5. The pressure-sensitive adhesive polarizing plate according to claim 4 , wherein the first resin further comprises polymerized units derived from a compound capable of hydrogen bonding.6. The pressure-sensitive adhesive polarizing plate according to claim 5 , wherein the compound capable of hydrogen bonding has a hydroxyl group claim 5 , a carboxyl group claim 5 , a urethane group claim 5 , an amine group or an amide group.7. The pressure-sensitive adhesive polarizing plate according to claim 6 , wherein the first resin comprises 30 parts by weight or less of polymerized units derived from the compound capable of hydrogen bonding.8. The pressure-sensitive adhesive polarizing plate according to claim 1 , wherein the solventless pressure-sensitive adhesive composition further comprises a multifunctional (meth)acrylate and a photoinitiator.9. The pressure-sensitive adhesive polarizing plate according to claim 1 , further comprising 5 parts by weight or less of an antistatic agent claim 1 , relative to 100 parts by weight of the total of the ...

LAMINATE COMPRISING ADHESIVE LAYER AND METHOD FOR MANUFACTURING SAME

Provided is a laminate comprising a composite first adhesive layer in which a printed portion is embedded within an adhesive portion. The laminate can solve the bending phenomenon caused by raised parts, have a reduced thickness, allow manufacturing thereof due to a simplified process, and remedy problems arising from faulty lamination. 1. A laminate comprising: a first adhesive composite layer formed by embedding a printed portion in an adhesive portion.2. The laminate according to claim 1 , wherein the first adhesive composite layer has one surface which is a flat surface exposing only the adhesive portion.3. The laminate according to claim 1 , wherein the first adhesive composite layer has one surface exposing both the printed portion and the adhesive portion.4. The laminate according to claim 1 , wherein a surface exposing the adhesive portion of the first adhesive composite layer exhibits adhesion due to the presence of one selected from the group consisting of hydroxyl claim 1 , carbonyl claim 1 , aldehyde claim 1 , haloformyl claim 1 , carbonate ester claim 1 , carboxylate claim 1 , carboxyl claim 1 , ester claim 1 , hydroperoxy claim 1 , peroxy claim 1 , ether claim 1 , hemiketal claim 1 , acetal claim 1 , o-ester claim 1 , o-carbonate ester claim 1 , carboxylic acid claim 1 , amide claim 1 , amine claim 1 , imine claim 1 , azide claim 1 , azo compound claim 1 , cyanate claim 1 , nitrate claim 1 , nitrile claim 1 , nitro compound claim 1 , nitroso compound claim 1 , thiol claim 1 , sulfonic acid groups claim 1 , and combinations thereof.5. The laminate according to claim 1 , comprising: a substrate having one surface on which the printed portion is formed.6. The laminate according to claim 5 , wherein the substrate is a hard coating layer or a window glass.7. The laminate according to claim 6 , wherein the hard coating layer comprises one selected from the group consisting of acrylic claim 6 , silica claim 6 , urethane claim 6 , imide compounds claim 6 , and ...

NON-CURABLE RUBBER-BASED ADHESIVE COMPOSITION FOR TOUCH SCREEN PANEL, AND NON-CURABLE RUBBER-BASED ADHESIVE FILM FOR TOUCH SCREEN PANEL USING SAME

The present invention relates to a non-curable rubber-based adhesive composition for a touch screen panel, containing styrene-isoprene-styrene (SIS) rubber, and a non-curable rubber-based adhesive film for a touch screen panel, using the same. 1. A non-curable rubber-based adhesive composition for a touch screen panel comprising:a styrene-isoprene-styrene (SIS) rubber.2. The non-curable rubber-based adhesive composition for a touch screen panel according to claim 1 , wherein a weight average molecular weight of the styrene-isoprene-styrene (SIS) rubber is 5 claim 1 ,000 to 200 claim 1 ,000.3. The non-curable rubber-based adhesive composition for a touch screen panel according to claim 1 , wherein a styrene content of the styrene-isoprene-styrene (SIS) rubber is 15 wt % to 30 wt %.4. The non-curable rubber-based adhesive composition for a touch screen panel according to claim 1 , wherein the non-curable rubber-based adhesive composition for a touch screen panel does not contain an adhesion promoter.5. A non-curable rubber-based adhesive film for a touch screen panel comprising:a base film;{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'an adhesive layer formed by coating the non-curable rubber-based adhesive composition for the touch screen panel of on the base film; and'}a release film formed on the adhesive layer.6. The non-curable rubber-based adhesive film for a touch screen panel according to claim 5 , wherein a curing degree (gel content) of the adhesive layer is 0%.7. The non-curable rubber-based adhesive film for a touch screen panel according to claim 5 , wherein a release peeling force of the adhesive layer is 10 g/in to 30 g/in.8. The non-curable rubber-based adhesive film for a touch screen panel according to claim 5 , wherein the release film includes a base layer; and a release layer formed on one surface or both surfaces of the base layer.9. The non-curable rubber-based adhesive film for a touch screen panel according to claim 8 , wherein the ...

Cover window for touch screen panel formed with printing layer and method for forming printing layer on cover window for touch screen panel

The present invention provides a cover window for a touch screen panel, wherein a printing layer is formed at an edge of the transfer substrate film, and an area where the printing layer is not formed is removed from the transfer film, which forms a view area in the cover window substrate.

ADHESIVE FILM FOR TOUCH PANEL AND TOUCH PANEL

The present invention relates to an adhesive film for a touch panel, and to a touch panel. The adhesive film has superior heat resistance, optical characteristics, wettability, cuttability, anti-warpage characteristics and chemical resistance, and exhibits superior durability when applied to a touch panel. 2. The adhesive film of claim 1 , further comprising: a base film claim 1 , the adhesive layer being directly attached to either side of the base film.3. The adhesive film of claim 2 , wherein the base film is a polyethylene terephthalate (PET) film.4. The adhesive film of claim 2 , wherein the base film has a thickness of 5 to 100 μm.5. The adhesive film of claim 1 , wherein the adhesive layer has a dynamic shear strength (X) according to Equation 2:{'br': None, 'i': 'X', 'sub': '1', 'sup': '2', '≧6 kg/cm,'}wherein the dynamic shear strength is measured at 140° C. and a crosshead speed of 0.8 mm/sec using a sample prepared by attaching the adhesive layer to an indium tin oxide polyethylene terephthalate film and a glass substrate to be interposed therebetween.6. The adhesive film of claim 1 , wherein the adhesive layer has a maintenance time (X) according to Equation 3:{'br': None, 'i': 'X', 'sub': '2', '≧10 min,'}wherein the maintenance time is measured at 140° C. by applying a load of 2 kg to an indium tin oxide polyethylene terephthalate; and wherein the sample is prepared by attaching the adhesive layer to the indium tin oxide polyethylene terephthalate film and a glass substrate to be interposed therebetween.7. The adhesive sheet of claim 1 , further comprising: a silane coupling agent.8. The adhesive sheet of claim 1 , further comprising: a tackifier.9. A touch panel comprising:a window film;{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the adhesive film of attached to a lower surface of the window film; and'}a conductive laminate attached to a lower surface of the adhesive film.10. The touch panel of claim 9 , wherein the conductive laminate comprises ...

ADHESIVE COMPOSITION, ADHESIVE SHEET, AND TOUCH PANEL

The present invention relates to an adhesive composition, to an adhesive sheet, and to a touch panel. The present invention provides an adhesive composition, particularly an adhesive composition for a touch panel, which is prepared without using a low molecular weight polymer as an additive. The adhesive composition, the adhesive sheet, and the touch panel of the present invention exhibit superior heat resistance in a hardening process, a printed circuit board assembly process, or the like, and have superior physical properties such as optical characteristics, wettability, cuttability, workability, anti-curling properties, and durability. 1. An adhesive composition comprising a base resin and a polyfunctional crosslinking agent; wherein the base resin comprises an acrylic resin comprising a polymer of a monomer mixture including a (meth)acrylic acid ester monomer 80-90 parts by weight and a crosslinking monomer 10-20 parts by weight , said acrylic resin having a weight average molecular weight of more than 1 ,000 ,000; wherein the adhesive composition is cured and has a dynamic shear (X) strength according to Equation 1:{'br': None, 'i': 'X', 'sub': '1', 'sup': '2', '≧6 kg/cm,\u2003\u2003[Equation 1]'}wherein the dynamic shear strength of the adhesive composition is measured at 140° C. and a crosshead speed of 0.8 mm/sec using a sample prepared by attaching one side of the adhesive to one surface of an indium tin oxide polyethylene terephthalate film opposite an indium tin oxide surface of the polyethylene terephthalate film and the other side thereof to a glass substrate, followed by storage at room temperature for 24 hours, wherein the (meth)acrylic acid ester monomer comprises 25 to 100 percent by weight of methyl acrylate; wherein the polymer is polymerized by introducing initiators in multiple steps; and wherein the crosslinking monomer comprises a hydroxyl group containing monomer, a carboxylic group containing monomer, or a nitrogen containing monomer.2. The ...

AQUEOUS ADHESIVE COMPOSITION THAT CHANGES LITTLE OVER TIME

Disclosed is an aqueous adhesive composition, the adhesive properties of which are barely degraded due to aging. The aqueous adhesive composition according to the present invention has the technical features of comprising a monomer having a hydroxyl group, and of not forming a chelate compound after polymerization. Thus, the aqueous adhesive composition has the advantages of having little reduction in adhesive properties thereof due to an increase in gel content. 1. An aqueous adhesive composition comprising: a hydroxyl group-containing monomer , wherein the aqueous adhesive composition does not form a chelate after polymerization.2. The aqueous adhesive composition according to claim 1 , wherein the hydroxyl group-containing monomer comprises at least one selected from the group consisting of hydroxyethyl acrylate claim 1 , hydroxyethyl methacrylate claim 1 , hydroxypropyl acrylate claim 1 , and hydroxybutyl acrylate.3. The aqueous adhesive composition according to claim 1 , further comprising: a soft monomer and a hard monomer.4. The aqueous adhesive composition according to claim 3 , wherein the soft monomer comprises at least one selected from the group consisting of butyl acrylate claim 3 , ethyl acrylate claim 3 , 2-hydroxyethyl acrylate claim 3 , isobutyl acrylate claim 3 , 2-ethylbutyl acrylate claim 3 , hexyl acrylate claim 3 , heptyl acrylate claim 3 , lauryl methacrylate claim 3 , n-pentyl acrylate claim 3 , and 2-ethylhexyl acrylate.5. The aqueous adhesive composition according to claim 3 , wherein the hard monomer comprises at least one selected from the group consisting of methyl acrylate claim 3 , methyl methacrylate claim 3 , ethyl methacrylate claim 3 , n-butyl methacrylate claim 3 , isobutyl methacrylate claim 3 , t-butyl acrylate claim 3 , and 2-ethylhexyl methacrylate.6. The aqueous adhesive composition according to claim 1 , further comprising: an initiator claim 1 , an emulsifier claim 1 , and a thickener.7. The aqueous adhesive composition ...

ADHESIVE COMPOSITION FOR OPTICAL USE

Provided is an adhesive composition for optical use, the adhesive composition including: a monofunctional urethane (meth)acrylate-based oligomer; and a polyfunctional urethane (meth)acrylate-based oligomer, in which a weight ratio of the monofunctional urethane (meth)acrylate-based oligomer and the polyfunctional urethane (meth)acrylate-based oligomer is 1:2 to 1:4. 1. An adhesive composition for optical use , the adhesive composition comprising:a monofunctional urethane (meth)acrylate-based oligomer; anda polyfunctional urethane (meth)acrylate-based oligomer,wherein a weight ratio of the monofunctional urethane (meth)acrylate-based oligomer and the polyfunctional urethane (meth)acrylate-based oligomer is 1:2 to 1:4.2. The adhesive composition of claim 1 , wherein the monofunctional urethane (meth)acrylate-based oligomer comprises one or more selected from the group consisting of a polybutadiene urethane (meth)acrylate oligomer claim 1 , an epoxy urethane (meth)acrylate oligomer claim 1 , a polyester urethane (meth)acrylate oligomer claim 1 , and a polyether urethane (meth)acrylate oligomer.3. The adhesive composition of claim 1 , wherein the monofunctional urethane (meth)acrylate-based oligomer has a weight average molecular weight (Mw) of 10 claim 1 ,000 g/mol to 20 claim 1 ,000 g/mol.4. The adhesive composition of claim 1 , wherein the polyfunctional urethane (meth)acrylate-based oligomer comprises one or more selected from the group consisting of a polybutadiene urethane (meth)acrylate oligomer claim 1 , an epoxy urethane (meth)acrylate oligomer claim 1 , a polyester urethane (meth)acrylate oligomer claim 1 , and a polyether urethane (meth)acrylate oligomer.5. The adhesive composition of claim 1 , wherein the polyfunctional urethane (meth)acrylate-based oligomer has a weight average molecular weight (Mw) of 30 claim 1 ,000 g/mol to 40 claim 1 ,000 g/mol.6. The adhesive composition of claim 1 , wherein a total content of the monofunctional urethane (meth)acrylate ...

Polymer Foam Adhesive Tape And Pressure-Sensitive Type Touch Panel Comprising The Same

A polymer foam adhesive tape including: a substrate film; a polymer foam layer provided on one surface of the substrate film; a first adhesive layer provided on the polymer foam layer; and a second adhesive layer provided on the other surface of the substrate film, in which the polymer foam adhesive tape has a minimum compression load of 30 g to 300 g, a compression rate of the polymer foam adhesive tape is increased in proportion to a linear function according to an increase in pressure when pressure, which is equal to or more than the minimum compression load, is applied, and a thickness recovery rate of the polymer foam adhesive tape after pressure is removed is increased in proportion to a linear function as time passes. 1. A polymer foam adhesive tape comprising:a substrate film;a polymer foam layer provided on one surface of the substrate film;a first adhesive layer provided on the polymer foam layer; anda second adhesive layer provided on the other surface of the substrate film,wherein the polymer foam adhesive tape has a minimum compression load of 30 g to 300 g,a compression rate of the polymer foam adhesive tape is increased in proportion to a linear function according to an increase in pressure when pressure, which is equal to or more than the minimum compression load, is applied, anda thickness recovery rate of the polymer foam adhesive tape after pressure is removed is increased in proportion to a linear function as time passes.2. The polymer foam adhesive tape of claim 1 , wherein the substrate film has a thickness of 10 μm to 250 μm.3. The polymer foam adhesive tape of claim 1 , wherein the polymer foam layer has a thickness of 75 μm to 1 claim 1 ,000 μm.4. The polymer foam adhesive tape of claim 1 , wherein the substrate film and the polymer foam layer have a total thickness of 100 μm to 1 claim 1 ,000 μm.5. The polymer foam adhesive tape of claim 1 , wherein the polymer foam adhesive tape has a maximum compression rate of 30% to 70%.6. The polymer ...

Polymer Foam Adhesive Tape And Pressure-Sensitive Type Touch Panel Comprising The Same

A polymer foam adhesive tape including: a substrate film; a polymer foam layer provided on one surface of the substrate film; a first adhesive layer provided on the polymer foam layer; and a second adhesive layer provided on the other surface of the substrate film, in which the polymer foam adhesive tape has a dielectric constant of 2.5 to 4.5 at a frequency of 10Hz. 1. A polymer foam adhesive tape comprising:a substrate film;a polymer foam layer provided on one surface of the substrate film;a first adhesive layer provided on the polymer foam layer; anda second adhesive layer provided on the other surface of the substrate film,{'sup': '5', 'wherein the polymer foam adhesive tape has a dielectric constant of 2.5 to 4.5 at a frequency of 10Hz.'}2. The polymer foam adhesive tape of claim 1 , wherein the substrate film has a thickness of 10 μm to 250 μm.3. The polymer foam adhesive tape of claim 1 , wherein the polymer foam layer has a thickness of 75 μm to 1 claim 1 ,000 μm.4. The polymer foam adhesive tape of claim 1 , wherein the substrate film and the polymer foam layer have a total thickness of 100 μm to 1 claim 1 ,000 μm.5. The polymer foam adhesive tape of claim 1 , wherein the polymer foam adhesive tape has a maximum compression rate of 30% to 70%.6. The polymer foam adhesive tape of claim 1 , wherein the polymer foam adhesive tape has a compression recovery rate of 90% or more claim 1 , and a compression recovery time to reach 90% of the thickness before compression is within 0.1 second.7. The polymer foam adhesive tape of claim 1 , wherein the polymer foam adhesive tape has a final compression recovery rate of 99% or more claim 1 , and a compression recovery time to reach 99% of the thickness before compression is within 1.0 second.8. The polymer foam adhesive tape of claim 1 , wherein the polymer foam adhesive tape has a minimum compression load of 30 g to 300 g.9. (canceled)10. A pressure-sensitive type touch panel comprising the polymer foam adhesive tape ...

Adhesive Composition And Adhesive Film Including Cured Product Thereof

An adhesive composition and an adhesive film including a cured product thereof is provided. 1. An adhesive composition comprising:an alkyl group-containing (meth)acrylate monomer,a cycloalkyl group-containing (meth)acrylate monomer, a carboxyl group-containing monomer, andan amine group-containing monomer,wherein the amine group-containing monomer is in a content of 1 part by weight or more and 10 parts by weight or less based on 100 parts by a total weight of monomers.2. The adhesive composition of claim 1 , wherein the alkyl group-containing (meth)acrylate monomer is in a content of 60 parts by weight or more and 80 parts by weight or less based on 100 parts by the total weight of the monomers.3. The adhesive composition of claim 1 , wherein the cycloalkyl group-containing (meth)acrylate monomer is in a content of 5 parts by weight or more and 20 parts or less by weight based on 100 parts by the total weight of the monomers.4. The adhesive composition of claim 1 , wherein the carboxyl group-containing monomer is in a content of 5 parts by weight or more and 20 parts by weight or less based on 100 parts by the total weight of the monomers.5. The adhesive composition of claim 1 , wherein the adhesive composition is a solvent-free type adhesive composition.6. The adhesive composition of claim 1 , wherein the amine group-containing monomer comprises at least one of dimethyl acrylamide claim 1 , diacetone acrylamide claim 1 , N-[3-(dimethylamino)propyl] methacrylamide claim 1 , N-methyl-N-vinylacetamide claim 1 , 2-(dimethylamino)ethyl acrylate claim 1 , N-vinylpyrrolidone claim 1 , 4-acryloylmorpholine claim 1 , N-methacryloylmorpholine claim 1 , N-isopropylacrylamide claim 1 , 2-methyl-2-oxazoline claim 1 , 2-ethyl-2-oxazoline claim 1 , N-isopropyl-2-oxazoline claim 1 , or ethyleneimine.7. An adhesive film comprising a cured product of the adhesive composition according to .8. The adhesive film of claim 7 , wherein a gel content of the adhesive film is 60% or more ...

MODIFIED ISOBUTYLENE-ISOPRENE RUBBER, PRODUCTION METHOD FOR SAME AND CURED MATERIAL OF SAME

The present invention provides: a modified isobutylene-isoprene rubber including a structural unit of Chemical Formula I, a production method for the same, and a cured material formed by thermally curing the same (in Chemical Formula I, X is an alkyl group including at least two carboxyl groups). The modified isobutylene-isoprene rubber exhibits excellent characteristics in terms of adhesive properties, flexibility, water vapor transmission resistance and transparency. 3. The modified isobutylene-isoprene rubber of claim 1 , wherein the modified isobutylene-isoprene rubber comprises 0.5 mol % to 5.0 mol % of the structural unit of Chemical Formula 1 in the entire structural units of the modified isobutylene-isoprene rubber.5. The modified isobutylene-isoprene rubber of claim 1 , wherein the modified isobutylene-isoprene rubber does not comprise a sulfur atom and a halogen atom.68.-. (canceled)9. A cured material formed by thermally curing a thermosetting composition comprising the modified isobutylene-isoprene rubber of and a thermo-curing agent.10. The cured material of claim 9 , wherein the cured material does not include a sulfur atom claim 9 , a halogen atom claim 9 , and a tackifier.11. The cured material of claim 9 , wherein the composition further comprises at least one selected from the group consisting of a cyclic acid anhydride comprising a carbon-carbon double bond claim 9 , a polyolefin-based polymer comprising a cyclic acid anhydride skeleton claim 9 , carboxylic acid claim 9 , a polyolefin-based polymer comprising a carboxyl group claim 9 , and a combination thereof.12. The cured material of claim 9 , wherein the cured material has a gel fraction of 10% or more.13. The cured material of claim 9 , wherein an optical adhesive film is formed as a cured material by thermally curing the thermosetting composition claim 9 , andthe adhesive film has an adhesive strength of 500 g/in to 6,000 g/in.14. A method for producing a modified isobutylene-isoprene rubber ...

ARTIFICIAL MARBLE COMPOSITION AND PRODUCTION METHOD FOR ARTIFICIAL MARBLE USING SAME

Disclosed are an artificial marble composition having a natural marble texture, and a method for producing artificial marble using the same. The artificial marble composition according to the present invention comprises: a first resin mixture; and a second resin mixture which is added to the first resin mixture and has a viscosity different from the first resin mixture, wherein each of the first and second resin mixtures comprises a base resin and an inorganic filler, and wherein the second resin mixture further comprises a thixotropic agent. 1. An artificial marble composition comprising:a first resin mixture; anda second resin mixture added to the first resin mixture and having a viscosity different from that of the first resin mixture,wherein each of the first and second resin mixtures includes a base resin and an inorganic filler, anda thixotropic agent is further added to the second resin mixture.2. The artificial marble composition of claim 1 , wherein the first resin mixture includes 100 to 300 parts by weight of the inorganic filler based on 100 parts by weight of the base resin claim 1 , andthe second resin mixture includes 100 to 300 parts by weight of the inorganic filler based on 100 parts by weight of the base resin.3. The artificial marble composition of claim 1 , wherein the thixotropic agent has an amount of 0.5 to 3.0 parts by weight based on 100 parts by weight of the second resin mixture.4. The artificial marble composition of claim 1 , wherein the base resin includes 20 to 70 parts by weight of a polyacrylic resin claim 1 , a polyester-based resin or a polystyrene-based resin claim 1 , 30 to 80 parts by weight of an acrylic monomer claim 1 , an ester-based monomer or a styrene-based monomer claim 1 , and 0.1 to 5 parts by weight of a polyfunctional monomer.5. The artificial marble composition of claim 1 , wherein the inorganic filler has an average particle size of 1 to 100 μm and includes at least one of calcium carbonate claim 1 , aluminum ...

ADHESIVE COMPOSITION, ADHESIVE SHEET, AND BACK GRINDING METHOD FOR SEMICONDUCTOR WAFER

The present invention relates to a pressure-sensitive adhesive composition including a polymer of a monomer mixture containing isobornyl (meth)acrylate, a pressure-sensitive adhesive sheet, and a semiconductor wafer backgrinding method. In the present invention, by using isobornyl (meth)acrylate which is a hard-type monomer and has a low hydrophilic property, a pressure-sensitive adhesive composition having superior releasing and re-releasing properties and wettability with respect to the wafer, and having an excellent wafer-proofing property; a pressure-sensitive adhesive sheet prepared by using the pressure-sensitive adhesive composition; and a backgrinding method using the pressure-sensitive adhesive sheet can be provided. 1. A pressure-sensitive adhesive sheet for a protective film for semiconductor wafer backgrinding , which comprises:a base film; anda pressure-sensitive adhesive layer on one or both sides of the base film,wherein the pressure-sensitive adhesive layer contains a cured product of a pressure-sensitive adhesive composition,wherein the pressure-sensitive adhesive composition comprises a polymer of a monomer mixture,wherein the monomer mixture consists of (meth)acrylic acid alkyl ester monomer mixture consisting of 1 to 30 parts by weight of isobornyl (meth)acrylate and 60 to 98.9 parts by weight of (meth)acrylic acid alkyl ester monomer other than the isobornyl (meth)acrylate; and a crosslinkable monomer including a hydroxy group or a carboxyl group, andwherein the polymer has a glass transition temperature of −50° C. to 15° C.2. A pressure-sensitive adhesive sheet for a protective film for semiconductor wafer backgrinding , which comprises:a base film; anda pressure-sensitive adhesive layer on one or both sides of the base film,wherein the pressure-sensitive adhesive layer contains a cured product of a pressure-sensitive adhesive composition,wherein the pressure-sensitive adhesive composition comprises a polymer of a monomer mixture,wherein the ...

Polymer Foam Adhesive Tape And Pressure-Sensitive Type Touch Panel Comprising The Same

A polymer foam adhesive tape including: a substrate film; a polymer foam layer provided on one surface of the substrate film; a first adhesive layer provided on the polymer foam layer; and a second adhesive layer provided on the other surface of the substrate film, in which the polymer foam layer has a density of 0.3 g/cmor less, and a thickness ratio of the substrate film to the polymer foam layer is 1:3 to 1:10. 1. A polymer foam adhesive tape comprising:a substrate film;a polymer foam layer provided on one surface of the substrate film;a first adhesive layer provided on the polymer foam layer; anda second adhesive layer provided on the other surface of the substrate film,wherein the polymer foam layer has a density of 0.3 g/cm3 or less, anda thickness ratio of the substrate film to the polymer foam layer is 1:3 to 1:10.2. The polymer foam adhesive tape of claim 1 , wherein the polymer foam adhesive tape has a maximum compression rate of 30% to 70%.3. The polymer foam adhesive tape of claim 1 , wherein the polymer foam adhesive tape has a minimum compression load of 30 g to 300 g.4. The polymer foam adhesive tape of claim 1 , wherein the polymer foam adhesive tape has a dielectric constant of 2.5 to 4.5 at a frequency of 105 Hz.5. The polymer foam adhesive tape of claim 1 , wherein the substrate film has a thickness of 10 μm to 250 μm.6. The polymer foam adhesive tape of claim 1 , wherein the polymer foam layer has a thickness of 75 μm to 1 claim 1 ,000 μm.7. The polymer foam adhesive tape of claim 1 , wherein the substrate film and the polymer foam layer have a total thickness of 100 μm to 1 claim 1 ,000 μm.8. The polymer foam adhesive tape of claim 1 , wherein the polymer foam adhesive tape has a compression recovery rate of 90% or more claim 1 , and a compression recovery time to reach 90% of a thickness before compression is within 0.1 second.9. The polymer foam adhesive tape of claim 1 , wherein the polymer foam adhesive tape has a final compression recovery ...

ADHESIVE TAPE

Provided is an adhesive tape which sequentially comprises a first adhesive layer, a polyurethane foamed layer having a density of about 0.1 g/cm3 to about 0.5 g/cm3, and a second adhesive layer. 1. An adhesive tape sequentially comprising: a first adhesive layer; a polyurethane foamed layer having a density of 0.1 g/cmto 0.5 g/cm; and a second adhesive layer.2. The adhesive tape according to claim 1 , wherein the polyurethane foamed layer has a compressive strength of 100 gf/into 2000 gf/in.3. The adhesive tape according to claim 1 , wherein the polyurethane foamed layer has a tensile strength of 2 kgf/into 20 kgf/in.4. The adhesive tape according to claim 1 , wherein the adhesive tape has a shear strength of 0.3 kg/cmto 1.0 kg/cmat 80° C.5. The adhesive tape according to claim 1 , wherein the polyurethane foamed layer has a thickness of 0.2 mm to 5.0 mm.6. The adhesive tape according to claim 5 , wherein the adhesive layers comprise at least one selected from the group of consisting of acrylic adhesives claim 5 , rubber adhesives claim 5 , silicone adhesives claim 5 , and combinations thereof.7. The adhesive tape according to claim 1 , wherein the adhesive tape is used in bonding of a TV bezel.8. The adhesive tape according to claim 1 , wherein the adhesive tape has a width of 1 mm to 7 mm. The present invention relates to an adhesive tape.In electric/electronic industries, bonding or fixing of components is an important matter. Particularly, there is much difficulty in boding two or more rigid materials or parts to one another.Examples of bonding of rigid materials or parts may include attaching a polycarbonate bezel to a rigid part such as a glass touch panel of a display.In this case, such rigid materials or parts may be stacked on opposite surfaces of an adhesive tape, respectively, whereby the rigid materials or parts can be bonded to one another through the adhesive tape.It is an aspect of the present invention to provide an adhesive tape capable of being ...

Adhesive composition for touch panels, adhesive film, and touch panel

Provided is an adhesive composition for touch panels, including: an acrylic resin; a first curing agent having one to three functional groups; and a second curing agent having four to six functional groups. Provided is an adhesive film including an adhesive layer, which is a cured product of the adhesive composition for touch panels. Provided is a touch panel including: a conductive plastic film which has a conductive layer formed on one side thereof; and an adhesive layer which is attached to the conductive layer and includes a cured product of the adhesive composition for touch panels.

Functional antireflection film

Provided is an antireflection film including: a substrate layer; and a coating layer formed on at least one surface of the substrate layer, in which the coating layer includes a cured material of a composition containing a photo-curable (meth)acrylic acid ester resin; inorganic nanoparticles; a silicone-acrylate graft polymer including a polyacrylate main chain and a silicone side chain; and a solvent.

METHOD FOR MEASURING PEELING STABILITY OF RELEASE FILM AND RELEASE FILM LAMINATE

Provided is a method for measuring the peeling stability of a release film and a release film laminate by measuring a high-speed release strength balance and a low-speed strength balance on the basis of General Formulas 1 and 2. 1. A method for measuring the peeling stability of a release film , the method including the steps of:preparing a laminate including an adhesive layer and a light-peel release film and a medium-peel release film attached to both sides of the adhesive layer;obtaining a light-peel, low-speed release strength by measuring the release strength of the light-peel release film and the adhesive layer at the peeling speed of 0.3 to 3.0 m/min;obtaining a medium-peel, low-speed release strength by measuring the release strength of the medium-peel release film and the adhesive layer at the peeling speed of 0.3 to 3.0 m/min;obtaining a light-peel, high-speed release strength by measuring the release strength of the light-peel release film and the adhesive layer at the peeling speed of 10 to 30 m/min;obtaining a medium-peel, high-speed release strength by measuring the release strength of the medium-peel release film and the adhesive layer at the peeling speed of 10 to 30 m/min; and [{'br': None, 'High-speed release strength balance=medium-peel, high-speed release strength/light-peel, high-speed release strength\u2003\u2003[General Formula 1]'}, {'br': None, 'Low-speed release strength balance=medium-peel, low-speed release strength/light-peel, low-speed release strength\u2003\u2003[General Formula 2]'}], 'measuring a high-speed release strength balance and a low-speed release strength balance on the basis of the following General Formulas 1 and 2.'}2. The method of claim 1 , further comprising the steps of:measuring a light-peel speed change rate on the basis of the following General Formula 3 by using the light-peel, high-speed release strength and the light-peel, low-speed release strength; and [{'br': None, 'Light-peel speed change rate(%)=(light-peel ...

ADHESIVE COMPOSITION FOR OPTICAL USE, METHOD FOR PREPARING ADHESIVE COMPOSITION FOR OPTICAL USE, AND ADHESIVE FILM FOR OPTICAL USE

The present invention provides an adhesive composition for optical use, which includes rubber and may be chemically cross-linked through an appropriate curing process, and as a result, may secure excellent long-term durability, water vapor transmission resistance, and chemical resistance, and includes an isobutylene-isoprene rubber having an acrylic acid ester-based functional group in a main chain thereof, a photoinitiator, and a tackifier in order to provide optical characteristics sufficient to be used for optical use. The present invention provides a method for preparing the adhesive composition for optical use, and it is possible to obtain the adhesive composition for optical use, which includes a chemically cross-linkable rubber by the method. Further, the present invention provides an adhesive film for optical use, and excellent long-term durability and optical characteristics may be implemented by applying the adhesive film for optical use to a wide range of electronic devices. 1. An adhesive composition for optical use , comprising:an isobutylene-isoprene rubber having an acrylic acid ester-based functional group in a main chain thereof;a photoinitiator; anda tackifier.2. The adhesive composition of claim 1 , wherein a content of an isoprene unit of the isobutylene-isoprene rubber is 1 mol % or more and 30 mol % or less based on a total mole number of an isobutylene unit and an isoprene unit.3. The adhesive composition of claim 1 , wherein the acrylic acid ester-based functional group is grafted to the isoprene unit of the isobutylene-isoprene rubber.4. The adhesive composition of claim 1 , wherein the isobutylene-isoprene rubber having the acrylic acid ester-based functional group in the main chain thereof has a weight average molecular weight (Mw) of 100 claim 1 ,000 to 1 claim 1 ,000 claim 1 ,000.5. The adhesive composition of claim 1 , wherein the acrylic acid ester-based functional group comprises one selected from a group consisting of an alkyl (meth) ...

ADHESIVE COMPOSITION FOR OPTICAL USE AND ADHESIVE FILM FOR OPTICAL USE

The present invention relates to an adhesive composition for optical use, which is applied to optical devices or display devices and thus may exhibit excellent adhesion performance while exhibiting a high barrier performance based on a low water vapor transmission rate, and may implement both excellent optical characteristics and durability, and specifically, provides an adhesive composition for optical use, the adhesive composition including: a thermally curable rubber including an isobutylene-isoprene rubber having a carboxyl group and an isobutylene-isoprene rubber having a hydroxy group; and a thermal crosslinking agent. Further, the present invention provides an adhesive film for optical use, including an adhesive layer including photocured products of the adhesive composition for optical use. 1. An adhesive composition for optical use , comprising:a thermally curable rubber comprising an isobutylene-isoprene rubber having a carboxyl group and an isobutylene-isoprene rubber having a hydroxy group; anda thermal crosslinking agent.2. The adhesive composition of claim 1 , wherein a content of an isoprene unit of the isobutylene-isoprene rubber is 1 mol % or more and 30 mol % or less based on a total mole number of an isobutylene unit and an isoprene unit.3. The adhesive composition of claim 1 , wherein the carboxyl group and the hydroxy group are each grafted to the isoprene unit of the isobutylene-isoprene rubber.4. The adhesive composition of claim 1 , wherein the isobutylene-isoprene rubber having the carboxyl group and the isobutylene-isoprene rubber having the hydroxy group each have a degree of unsaturation of 0 to 1.0.5. The adhesive composition of claim 1 , wherein the isobutylene-isoprene rubber having the carboxyl group and the isobutylene-isoprene rubber having the hydroxy group each have a weight average molecular weight (Mw) of 10 claim 1 ,000 to 1 claim 1 ,000 claim 1 ,000.6. The adhesive composition of claim 1 , wherein a content of the carboxyl ...

ADHESIVE BONDING COMPOSITION FOR OPTICAL USE, METHOD FOR MULTISTAGE CURING THEREOF, AND IMAGE DISPLAY DEVICE

Provided are an adhesive bonding composition for optical use and a multistage curing method thereof, the composition including a methacrylate-based monomer and an acrylate-based monomer, in which a weight ratio of the methacrylate-based monomer to the acrylate-based monomer ranges from about 1:1 to about 1:10. 1. An adhesive bonding composition for optical use , the composition comprising:a methacrylate-based monomer; andan acrylate-based monomer,wherein a weight ratio of the methacrylate-based monomer to the acrylate-based monomer ranges from 1:1 to 1:10.2. The adhesive bonding composition of claim 1 , wherein a content of the methacrylate-based monomer ranges from 1 wt % to 20 wt %.3. The adhesive bonding composition of claim 1 , wherein a content of the acrylate-based monomer ranges from 10 wt % to 40 wt %.4. The adhesive bonding composition of claim 1 , wherein the composition is applied for a use of bonding an image display part and a protective part in an image display device.5. The adhesive bonding composition of claim 4 , wherein an adhesive agent is formed by applying the adhesive bonding composition on the image display part claim 4 , and then primarily photo-curing the adhesive bonding composition claim 4 , and subsequently claim 4 , a bonding agent is formed by adhering the protective part onto a top of the adhesive agent claim 4 , and then secondarily photo-curing the adhesive agent claim 4 , so that the image display part and the protective part are bonded to each other.6. The adhesive bonding composition of claim 5 , wherein the adhesive agent has a viscosity ranging from 2 claim 5 ,000 cps to 40 claim 5 ,000 cps at 25° C.7. The adhesive bonding composition of claim 4 , wherein the image display part is a liquid crystal display (LCD).8. The adhesive bonding composition of claim 4 , wherein the protective part is a glass substrate or a transparent plastic substrate.9. The adhesive bonding composition of claim 1 , further comprising:at least one ...

Method Of Preparing Acrylic Adhesive And Adhesive Film Prepared Therefrom

A method of preparing an acrylic adhesive, in which the durability of an adhesive film may be improved through additional photocuring and the residual components according to solution photopolymerization are efficiently removed, and an adhesive film prepared therefrom. 1. A method of preparing an acrylic adhesive , the method comprising:preparing a mixture including a (meth)acrylate-based monomer, a photoreactive functional group-containing (meth)acrylate-based monomer, a chain transfer agent, and a solvent;solution photopolymerizing the mixture to form a solution including a low molecular weight acrylic resinmixing the solution including the low molecular weight acrylic resin with a monomer for dilution; and thenreducing pressure to remove the solvent and any residual amount of the chain transfer agent from the solution including the low molecular weight acrylic resin with the monomer,wherein the photoreactive functional group-containing (meth)acrylate-based monomer is included in an amount of 0.1 part by weight or more to 10 parts by weight or less based on 100 parts by weight of the (meth)acrylate-based monomer.2. The method of claim 1 , wherein the photoreactive functional group-containing (meth)acrylate-based monomer comprises at least one photoreactive functional group of an acetophenone group claim 1 , a benzoin group claim 1 , an acylphosphine oxide group claim 1 , a titanocene group claim 1 , a benzophenone group claim 1 , an anthracene group claim 1 , or a thioxanthone group.3. The method of claim 1 , wherein the (meth)acrylate-based monomer comprises at least one of an alkyl group-containing (meth)acrylate-based monomer claim 1 , a cycloalkyl group-containing (meth)acrylate-based monomer claim 1 , or a polar functional group-containing (meth)acrylate-based monomer.4. The method of claim 1 , wherein the chain transfer agent is included in an amount of 0.5 part by weight or more to 10 parts by weight or less based on 100 parts by weight of the (meth) ...

Photocurable Composition And Coating Layer Including Cured Product Thereof

A photocurable composition is provided. The photocurable composition includes: a urethane acrylamide oligomer derived from a first urethane prepolymer having an isocyanate end group and a polar group-containing acrylamide; a urethane acrylate oligomer derived from a second urethane prepolymer having an isocyanate end group and a polar group-containing (meth)acrylate; and an amide group-containing acrylic polymer derived from acrylamide and a polar group-containing (meth)acrylate. 1. A photocurable composition comprising:a urethane acrylamide oligomer derived from a first urethane prepolymer having an isocyanate end group and a polar group-containing acrylamide;a urethane acrylate oligomer derived from a second urethane prepolymer having an isocyanate end group and a polar group-containing (meth)acrylate; andan amide group-containing acrylic polymer derived from an acrylamide and a polar group-containing (meth)acrylate.2. The photocurable composition of claim 1 , wherein the first urethane prepolymer is represented by the following Formula 1:{'br': None, 'sub': 1', 'n, 'OCN-A\ue8a0B-A\ue8a0NCO\u2003\u2003[Formula 1]'}wherein,A is derived from a diisocyanate-based compound,{'sub': '1', 'Bis derived from a polycarbonate diol having a number average molecular weight of 200 g/mol to 700 g/mol, and'}n is an integer from 1 to 10.3. The photocurable composition of claim 1 , wherein the second urethane prepolymer is represented by the following Formula 2:{'br': None, 'sub': 2', 'n, 'OCN-A\ue8a0B-A\ue8a0NCO\u2003\u2003[Formula 2]'}wherein,A is derived from a diisocyanate-based compound,{'sub': '2', 'Bis derived from a polycarbonate diol having a number average molecular weight of 1,000 g/mol to 3,000 g/mol, and'}n is an integer from 3 to 10.4. The photocurable composition of claim 1 , wherein a content of the urethane acrylamide oligomer is 10 parts by weight or more and 50 parts by weight or less with respect to 100 parts by weight of the photocurable composition.5. The ...

Method for Manufacturing Low Molecular Weight Acrylic Resin

A method for manufacturing a low molecular weight acrylic resin, and more particularly, to a method for manufacturing a low molecular weight acrylic resin having a high conversion rate and a low poly dispersion index includes maintaining the temperature of a reacting part with a screw stirrer at a specific temperature during a continuous polymerization of a solvent-free acrylic composition in a continuous flow reactor having the reacting part. 1. A method for manufacturing a low molecular weight acrylic resin by continuously polymerizing a solvent-free acrylic composition comprising one or more (meth)acrylate-based monomers and a thermal initiator in a continuous flow reactor , wherein the continuous flow reactor comprises a reacting part with a screw stirrer , a feeding part , and a discharging part , the method comprising:feeding the solvent-free acrylic composition to the reacting part through the feeding part;maintaining a temperature of the reacting part at 70° C. or more and 150° C. or less and continuously polymerizing the solvent-free acrylic composition to form forming a low molecular weight acrylic resin having a weight average molecular weight of 20,000 g/mol or more and 150,000 g/mol or less; anddischarging the low molecular weight acrylic resin through the discharging part.2. The method of claim 1 , wherein the solvent-free acrylic composition is fed to the reacting part at a feeding flow rate of 30 mL/min or more and 200 mL/min or less.3. The method of claim 1 , wherein the thermal initiator is comprised in a content of 0.1 part by weight or more and 1 part by weight or less with respect to 100 parts by weight of the (meth)acrylate-based monomer.4. The method of claim 1 , wherein the solvent-free acrylic composition does not comprise a molecular weight regulator.5. The method of claim 1 , wherein a ratio of a length to a diameter of the reacting part is 14:1 to 28:1.6. The method of claim 1 , wherein a separation distance between adjacent stirring ...

Substrate-Free Transfer Tape

Provided is a substrate-free transfer tape including: a release liner including a heavy peel surface and a light peel surface; and a transfer film layer provided on the heavy peel surface, in which release peel force between the heavy peel surface and the transfer film layer is 10 g/in or more and 70 g/in or less at the time of peeling the transfer film layer at a rate of 3 m/min. 1. A substrate-free transfer tape comprising:a release liner comprising a heavy peel surface and a light peel surface; anda transfer film layer provided on the heavy peel surface,wherein release peel force between the heavy peel surface and the transfer film layer is from 10 g/in to 70 g/in at the time of peeling off the transfer film layer at a rate of 3 m/min.2. The substrate-free transfer tape of claim 1 , wherein initial release resistance force of the transfer film layer is from 200 g/in to 600 g/in.3. The substrate-free transfer tape of claim 1 , wherein release peel force of the heavy peel surface with respect to tesa 7475 claim 1 , which is a reference tape claim 1 , is from 20 g/in to 50 g/in at the time of peeling off the reference tape at a rate of 3 m/min.4. The substrate-free transfer tape of claim 1 , wherein the transfer film layer is a cured product of a resin composition comprising: a (meth)acrylate monomer; a cycloalkyl group-containing acrylate monomer; a heterocycloalkyl group-containing acrylate monomer; and a polar functional group-containing monomer.5. The substrate-free transfer tape of claim 4 , wherein a content of the cycloalkyl group-containing acrylate monomer is from 10 parts by weight to 40 parts by weight based on 100 parts by weight of the (meth)acrylate monomer.6. The substrate-free transfer tape of claim 4 , wherein a content of the heterocycloalkyl group-containing acrylate monomer is from 1 part by weight to 15 parts by weight based on 100 parts by weight of the (meth)acrylate monomer.7. The substrate-free transfer tape of claim 4 , wherein a content of ...

觸控面板用粘結劑組合物、粘結薄膜及觸控面板

具有提高柔軟度之黏結組合物

本發明提供一種具有提高柔軟度之黏結組合物，該黏結組合物中包含將烷基之碳數為2~14的烷基丙烯酸酯單體、含有羥基的丙烯酸酯單體及丙烯酸酯單體進行共聚所得到的共聚物。並且，本發明提供一種該黏結組合物及利用該黏結組合物的黏結膜、觸控面板、電子設備。本發明的黏結組合物除了具有高柔軟度，更具有優異的裁剪特性、耐久性及透明度等。

Adhesive tape and method of manufacturing thereof

Adhesive agent composition having improved bubble stability and method for preparing same

Provided is an adhesive composition, comprising: a copolymer in which a monomer containing 5 to 50 parts by weight of a polar functional group with respect to 100 parts by weight of a (meta) acrylic acid ester-based monomer is polymerized; and a hollow glass filler or bubbles. Also provided is a method for preparing the adhesive composition, comprising the steps of: preparing the copolymer by polymerizing 5 to 50 parts by weight of the monomer containing the polar function group, with respect to 100 parts by weight of the (meta) acrylic acid ester-based monomer; preparing a mixture by adding a surfactant, a photoinitiator, and a photocuring agent to the copolymer; and adding to the mixture the hollow glass filler or the bubbles.

Adhesives having advanced flame-retardant property

Double-sided adhesive sheet and display device for touch panel including same

Photocurable adhesive composition

Provided is an adhesive composition comprising: a thermosetting epoxy resin formed with an epoxy copolymer containing a hydroxyl group; and a UV curable epoxy resin having an epoxy equivalence of 100 g/eq to 500 g/eq.

Acrylic pressure sensitive adhesive compositions

Adhesive tape for car

The present invention provides a pressure sensitive adhesive tape comprising: an acrylic foam layer; and rubber-based adhesive layers which are formed on both sides of said acrylic foam layer, wherein the content of gel in said rubber-based adhesive layers is 40% or more. Furthermore, in order to accomplish the object of the present invention, a method for manufacturing a pressure sensitive adhesive layer is provided, and the method comprises the steps of: manufacturing an acrylic foam layer; and forming rubber-based adhesive layers on one side or both sides of said acrylic foam layer, wherein said step of forming the rubber-based adhesive layers comprises the steps of: manufacturing a styrene block copolymer; forming rubber-based adhesive layers by adding an adhesive additive and a plasticizer to said styrene block copolymer; and setting the content of gel in said rubber-based adhesive layers to 40% or more.