摘要:
Disclosed is an adjuvant for use in simultaneous polishing of a cationically charged material and an anionically charged material, which forms a adsorption layer on the cationically charged material in order to increase the polishing selectivity of the anionically charged material to cationically charged material, wherein the adjuvant comprises a polyelectrolyte salt containing: (a) a graft type polyelectrolyte that has a weight average molecular weight of 1,000˜20,000 and comprises a backbone and a side chain; and (b) a basic material. CMP (chemical mechanical polishing) slurry comprising the above adjuvant and abrasive particles is also disclosed.
摘要:
Disclosed is an adjuvant for use in simultaneous polishing of a cationically charged material and an anionically charged material, which forms a adsorption layer on the cationically charged material in order to increase the polishing selectivity of the anionically charged material to cationically charged material, wherein the adjuvant comprises a polyelectrolyte salt containing: (a) a graft type polyelectrolyte that has a weight average molecular weight of 1,000˜20,000 and comprises a backbone and a side chain; and (b) a basic material. CMP (chemical mechanical polishing) slurry comprising the above adjuvant and abrasive particles is also disclosed.
摘要:
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.
摘要:
The present invention relates to an acrylic pressure sensitive adhesive composition comprising acrylic copolymers including alkyl(meth)acrylic acid ester monomer having 2˜14 carbon atoms of alkyl group, characterized in that the gel fraction represented by the formula (1) is 45˜75%, the swelling ratio represented by the formula (2) is 5˜20, and the weight average molecular weight of sol eluted from the adhesive by ethyl acetate is at least 300,000. The acrylic pressure sensitive adhesive composition of the present invention has excellent balance of low rate peeling strength and high rate peeling strength, satisfactory wettability, and good polarizer surface protection and repeeling property.
摘要:
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.
摘要:
The present invention relates to an acrylic pressure sensitive adhesive composition comprising acrylic copolymers wherein the gel fraction represented by the specific formula (1) is 45 to 75%, the swelling ratio represented by the specific formula (2) is 5 to 20, and the weight average molecular weight of non-crosslinking polymer contained in a pressure sensitive adhesive prepared from the pressure sensitive adhesive composition sol eluted from the adhesive prepared by the composition with ethyl acetate is at least 300,000.
摘要:
The present invention relates to a process for preparing organic silane compounds having a β-cyano ester group. In particular, the present invention relates to a process for preparing organic silane compounds having a β-cyano ester group, in which β-cyano β-cyano containing compounds having an unsaturated group are hydrosilylated using a hydro alkoxy silane in the presence of a platinum-vinyl siloxane catalyst. The preparation process according to the present invention can stably initiate and progress the reaction, minimize the generation of by-products, and prepare organic silane compounds having a β-cyano ester structure with high yield.
摘要:
The present invention relates to a pressure sensitive adhesive composition, a protective film for optical elements, an optical element and a liquid crystal display device. The present invention may provide a pressure sensitive adhesive composition and a protective film for optical elements, having a high peel force at a low rate and a low peel force at a high rate, the balance of which is excellently maintained and showing excellent wettablity to an adherend, durability, repeelability, transparency and antistatic performance.
摘要:
The present invention relates to a polarizing plate and a liquid crystal display device. The polarizing plate, which is lightweight and has a small thickness and excellent physical properties including durability, water resistance, workability, pressure-sensitive adhesion and a light leakage prevention effect; and the liquid crystal display device including the same may be provided.
摘要:
The present invention relates to pressure-sensitive adhesive compositions including interpenetrating polymer networks in a cured state, which comprise a multi-functional acrylate, a photo initiator and a thermal initiator; polarizers; and liquid crystal displays comprising the same. In the present invention, a pressure-sensitive adhesive composition is provided, which can prevent light-leakage phenomenon, and has excellent physical properties such as endurance under high temperature and/or high humidity conditions and workability, such as removablility.