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US 2021/0214591 A1Published application
Adhesive Composition and Non-Substrate Adhesive Tape
AssigneeLG Chem, Ltd.
InventorsSang Hwan Kim, Ki Seung Seo, Ji Hye Kim, Kyung Jun Yoon, Kwang Su Seo
Life of this patent
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Abstract
A substrate-free adhesive tape which is easily applied to a continuous process due to an excellent adhesive strength and a short fracture distance is provided. An adhesive composition for making the substrate-free adhesive tape is also provided.
Claims13
An adhesive composition comprising an acrylic copolymer prepared by polymerizing a monomer mixture including:
- an alkyl group-containing (meth)acrylate monomer;
- a cyclic substituent-containing (meth)acrylate monomer including at least one of a cycloalkyl group-containing (meth)acrylate monomer and a heterocycloalkyl group-containing (meth)acrylate monomer;
- a polar group-containing (meth)acrylate monomer;
- and a (meth)acrylate monomer represented by the following Formula 1:
- wherein, in Formula 1, R is hydrogen or a straight-chain or branched alkyl group having 1 to 5 carbon atoms, x is 0 or 1, y is an integer from 2 to 13, and n is an integer from 2 to 4.
2 more elements
Dependencies are inferred from the claim text.