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US 9,315,691 B2Granted
Adhesive composition
AssigneeCheil Industries Inc.
InventorsHiroshi Ogawa, Tatsuhiro Suwa
Life of this patent
Estimating the term…
Abstract
An adhesive composition, an optical member, a surface protective film, and an adhesive sheet, the adhesive composition including 100 parts by weight of a (meth)acrylic copolymer having a weight average molecular weight of about 100,000 to about 2,000,000 g/mol; about 0.01 to about 5 parts by weight of a peroxide crosslinking agent; and about 0.001 to about 5 parts by weight of a carbodiimide.
Claims19
An adhesive composition, comprising:
- 100 parts by weight of a (meth)acrylic copolymer having a weight average molecular weight of about 100,000 to about 2,000,000 g/mol;
- about 0.01 to about 5 parts by weight of a peroxide crosslinking agent;
- and
- about 0.001 to about 5 parts by weight of a carbodiimide,
- further comprising at least one of an isocyanate crosslinking agent and an imidazole compound, the imidazole compound being represented by Formula 1:
- wherein, in Formula 1, R1, R2, and R3 are each independently a hydrogen atom, a halogen atom, or a substituted or unsubstituted C1 to C10 straight or branched alkyl group, and wherein:
- an adhesive layer formed from the adhesive composition has a gel fraction of at least about 50% under conditions of 23° C and 50% RH within a time period of about 12 hours or less after forming the adhesive composition into the adhesive layer.
4 more elements
An adhesive composition, comprising:
- 100 parts by weight of a (meth)acrylic copolymer having a weight average molecular weight of about 100,000 to about 2,000,000 g/mol;
- about 0.01 to about 5 parts by weight of a peroxide crosslinking agent;
- and
- about 0.001 to about 5 parts by weight of a carbodiimide,
- further comprising at least one of about 0.05 to about 5 parts by weight of an isocyanate crosslinking agent and about 0.05 to about 5 parts by weight of an imidazole compound, the imidazole compound being represented by Formula 1:
- wherein, in Formula 1, R1, R2, and R3 are each independently a hydrogen atom, a halogen atom, or a substituted or unsubstituted C1 to C10 straight or branched alkyl group.
3 more elements
Dependencies are inferred from the claim text.