C09K2323/059

Adhesive sheet
10920108 · 2021-02-16 · ·

A pressure-sensitive adhesive sheet according to the present invention includes an irradiation-curable acrylic pressure-sensitive adhesive layer. The acrylic pressure-sensitive adhesive layer includes an acrylic polymer and a multifunctional acrylic oligomer. The acrylic pressure-sensitive adhesive layer, after curing, has a Young's modulus of 500 kPa to 10000 kPa at 23 C. The acrylic pressure-sensitive adhesive layer, after curing, has an adhesive strength of 3.0 N/20 mm or more. The acrylic pressure-sensitive adhesive layer before curing may have an adhesive strength of typically 3.0 N/20 mm or more. The acrylic pressure-sensitive adhesive layer before curing may have a Young's modulus of typically 30 kPa to 200 kPa at 23 C.

Light-responsive thin glass laminates
10723104 · 2020-07-28 · ·

Embodiments of this disclosure pertain to a laminate including a first substrate, an interlayer and a light responsive material disposed on the first substrate, and a second substrate disposed on the interlayer. The laminate may be complexly curved. The light responsive material may include any one or more of an electrochromic material, a photochromic material, a suspended particle material, a micro-blind material and a liquid crystal material. In one or more embodiments, the laminate comprises a display unit disposed between the first and second substrate. Methods for forming the laminate are also disclosed.

ADHESIVE LAYER-EQUIPPED TRANSPARENT SURFACE MATERIAL, DISPLAY DEVICE AND PROCESSES FOR THEIR PRODUCTION

Provided is an adhesive layer-equipped transparent surface material that can easily be bonded to another surface material (a display panel, etc.) and that, when bonded to another surface material, is less likely to have voids left at the interface between the adhesive layer and another surface material. An adhesive layer-equipped transparent surface material 1 comprises an adhesive layer 14 formed on at least one surface of a protective plate 10 (a transparent surface material), wherein the adhesive layer 14 has a layer portion 18 spreading over the surface of the protective plate 10 and a barrier portion 20 surrounding the periphery of the layer portion 18; and the layer portion 18 has a shear modulus at 35 C. of from 0.5 to 100 kPa.

Adhesive layer-equipped transparent surface material, display device and processes for their production

Provided is an adhesive layer-equipped transparent surface material that can easily be bonded to another surface material (a display panel, etc.) and that, when bonded to another surface material, is less likely to have voids left at the interface between the adhesive layer and another surface material. An adhesive layer-equipped transparent surface material 1 comprises an adhesive layer 14 formed on at least one surface of a protective plate 10 (a transparent surface material), wherein the adhesive layer 14 has a layer portion 18 spreading over the surface of the protective plate 10 and a barrier portion 20 surrounding the periphery of the layer portion 18; and the layer portion 18 has a shear modulus at 35 C. of from 0.5 to 100 kPa.

ADHESIVE COMPOSITION, CURED PRODUCT, AND BONDED BODY
20200024493 · 2020-01-23 · ·

An adhesive composition which is excellent in adhesion to various hardly adhesive materials such as polyethylene terephthalate, polyethylene, polypropylene, modified polyphenylene ether, polyphenylene sulfide, and a cycloolefin polymer. Further, an adhesive composition containing the following components (A) to (C) may be described Component (A): (Meth) acrylic triblock elastomer having a weight average molecular weight of 80,000 or more, Component (B): (Meth) acrylate monomer having no hydroxyl group and having a phenoxy group, and Component (C): Radical initiator.

SPACING PAD WITH WATER ABSORPTION FUNCTION FOR LIQUID CRYSTAL PANEL
20190382183 · 2019-12-19 ·

A spacing pad with water absorption function for liquid crystal panel comprises a first buffer layer, a second buffer layer disposed opposite to the first buffer layer, and a water absorption layer disposed between the first buffer layer and the second buffer layer. The first buffer layer is formed with multiple first water absorption holes thereon for exposing the water absorption layer, and the second buffer layer is formed with multiple second water absorption holes thereon for exposing the water absorption layer. The first buffer layer, the water absorption layer and the second buffer layer of the spacing pad with water absorption function for liquid crystal panel are arranged in a stacked structure, and the first buffer layer and the second buffer layer are made with water absorption holes thereon, for providing the spacing pad with buffer effect and at the same time able to absorb the water on the liquid crystal panel.

Acrylic pressure-sensitive adhesive composition, acrylic pressure-sensitive adhesive layer, pressure-sensitive adhesive layer-attached substrate film, laminate, and image display device

Provided are an acrylic pressure-sensitive adhesive composition including a (meth)acryl-based polymer and a phosphonic acid compound of formula (1): ##STR00001## wherein R is a hydrogen atom or a hydrocarbon residue having 1 to 18 carbon atoms which may have an oxygen atom, or a salt thereof, the composition containing 0.005 to 3 parts by weight of the phosphonic acid compound of formula (1) based on 100 parts by weight of the (meth)acryl-based polymer; a pressure-sensitive adhesive layer made from the acrylic pressure-sensitive adhesive composition; a pressure-sensitive adhesive layer-attached substrate film having the pressure-sensitive adhesive layer; a laminate including the pressure-sensitive adhesive layer-attached substrate film; and an image display device including the laminate or the pressure-sensitive adhesive layer-attached substrate film.

Resin composition, adhesive member, and display device including the same
12071500 · 2024-08-27 · ·

A resin composition may include a (meth)acrylate (A) comprising a hydroxy group and having a molecular weight of about 500 or less, and a polymer (B) comprising polyisoprene or polybutadiene as a main skeleton, having at least one radical reactive group in one molecule, and having a molecular weight in a range of about 2,000 to about 35,000, wherein the resin composition has a glass transition temperature in a range of about ?50? C. to about 0? C. after the resin composition is cured, and the resin composition has a viscosity in a range of about 5 mPa.Math.s to about 50 mPa.Math.s at a temperature in a range of about 30? C. to about 50? C.

Pressure-sensitive adhesive composition, protective film, polarizer and liquid crystal display comprising the same
10100234 · 2018-10-16 · ·

The present invention relates to an acrylic pressure-sensitive adhesive composition, and more particularly, to an acrylic pressure-sensitive adhesive composition capable of showing an excellent anti-static performance, and solving a transferring problem of additives and a problem concerning a balance of low-rate and high-rate peel strength, by comprising a) an acrylic copolymer including a monomer having a functional group capable of chelating with a metal salt, and a hydrophobic monomer and b) a metal salt.

Adhesive composition and polarizing plate comprising same
10093840 · 2018-10-09 · ·

The present invention provides an adhesive composition comprising a tertiary amine group-containing acrylic copolymer and a sulfonate group-containing acrylic copolymer, a polarizing plate and a liquid crystal display device comprising the adhesive composition. The adhesive composition of the present invention comprises a tertiary amine group-containing acrylic copolymer and a sulfonate group-containing acrylic copolymer wherein an ionic functional group can be introduced by cross-linking reaction thereof, thereby exhibiting good antistatic properties and excellent durability.