Cheil Industries Inc.

Cheong Hun Song

Hiroshi Ogawa

Tatsuhiro Suwa

An adhesive composition includes 100 parts by weight of a (meth)acrylate copolymer having a weight average molecular weight of 1,000,000 to 2,000,000 g/mol; and 0.05 to 5 parts by weight of a carbodiimide cross-linking agent.

Adhesive composition and optical member using the same

An adhesive composition includes a copolymer (A), the copolymer (A) being a copolymer of: a hydroxyl group-containing (meth)acrylamide (a1), the hydroxyl group-containing (meth)acrylamide (a1) including at least one of a hydroxyl group-containing acrylamide and a hydroxyl group-containing methacrylamide, and a (meth)acrylate (a2), the (meth)acrylate (a2) including at least one of an acrylic ester and a methacrylic ester; and an antistatic agent (B), the antistatic agent (B) including an ionic compound.

Adhesive composition, optical member, and surface protective sheet

An adhesive composition includes a (meth)acrylic copolymer, the (meth)acrylic copolymer containing about 92 to about 99.7 parts by weight of a moiety derived from a (meth)acrylic acid ester monomer, and about 0.3 to about 8 parts by weight of at least one of a moiety derived from a carboxyl group-containing monomer and a moiety derived from a hydroxyl group-containing (meth)acrylic acid monomer, the (meth)acrylic copolymer having a weight average molecular weight of about 500,000 g/mol to about 2,000,000 g/mol, a carbodiimide curing agent, and an oligomeric silane coupling agent.

An adhesive composition and an optical member, the adhesive composition including 100 parts by weight of a polymer prepared by polymerization of (meth)acrylic ester containing monomers; 0.01 to about 3 parts by weight of an antistatic agent containing an ionic compound and/or a lithium salt; 0 to about 1 part by weight of a silane coupling agent; and about 3 to about 20 parts by weight of a benzotriazole group containing compound; and about 0.05 to about 5 parts by weight of a cross-linking agent, or about 3 to about 30 parts by weight of a multifunctional (meth)acrylate monomer, and 0 to about 5 parts by weight of an active energy-ray initiator.

A photocationically polymerizable adhesive composition and an optical member, the photocationically polymerizable adhesive composition including about 75 to about 99.8 parts by weight of a compound including one of aliphatic epoxy, alicyclic epoxy, oxetane, and vinyl ether compounds, about 0.1 to about 5 parts by weight of a titanate coupling agent, and about 0.1 to about 20 parts by weight of a photopolymerization initiator, wherein a sum of weights of the compound, the titanate coupling agent, and the photopolymerization initiator is 100 parts by weight.

Adhesive composition and optical member

An adhesive composition includes an antistatic agent that includes an ionic compound having a melting point of 50&#xb0; C. or more, and a base polymer having a glass transition temperature of 0&#xb0; C. or less.

An adhesive composition includes a base polymer, the base polymer including a copolymer having at least one (meth)acrylic ester with a halogen element and at least one (meth)acrylate in a copolymeric unit, and an antistatic agent, the antistatic agent including an ionic compound.

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Uiwang-si, South Korea

Cheong Hun Song