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US 10,883,019 B2Granted
Cross-linkable composition
AssigneeLG Chem, Ltd.
InventorsHyoung Sook Park, Ji Yeong Lee, Se Woo Yang, Hyun Hee Son, So Ra Yoon, Sul Ki Han, Chang Ik Song
Life of this patent
Estimating the term…
Abstract
The present application relates to a cross-linkable composition, and for example, to a cross-linkable composition which can form a membrane having an excellent interfacial adhesion with other layers and cause no detachment phenomenon when forming a membrane in a structure of a pressure-sensitive adhesive optical member or the like.
Claims10
A cross-linkable composition, comprising:
- an acrylic pressure-sensitive adhesive resin having a carboxyl group;
- a polyfunctional epoxy or aziridine compound;
- and
- a polyalkylene polyol compound which includes 3 or more hydroxyl groups,
- wherein the polyalkylene polyol compound is represented by the following Formula 1 and wherein the polyalkylene polyol compound has a weight average molecular weight of 30,000 or less:
- where A is a core including a polyalkylene oxide unit, B is a chain represented by the following Formula 2, m is an integer of 1 or more, n is an integer of 0 or more, and the sum (m+n) of m and n is 3 or more:
- where A1 to A3 each independently represent an alkylene group, Q1 and Q2 represent an aliphatic or aromatic divalent residue, L1 to L4 represent linkers, x is an integer of 1 or more, y is an integer of 0 or more, and z is an integer of 1 or more, and
- wherein the core (A) of the compound of Formula 1 includes a polyethylene oxide unit and a polypropylene oxide unit.
5 more elements
A pressure-sensitive adhesive composition, comprising an ionic liquid and a polymer with a glass transition temperature of 0° C. or less as a base polymer,
- wherein the base polymer is an acrylic pressure-sensitive adhesive resin having a carboxyl group, and
- the pressure-sensitive adhesive composition further includes:
- a polyfunctional epoxy or aziridine compound;
- and
- a polyalkylene polyol compound of the following Formula 1, wherein the polyalkylene polyol compound has a weight average molecular weight of 30,000 or less:
- where A is a core including a polyalkylene oxide unit, B is a chain represented by the following Formula 2, m is an integer of 1 or more, n is an integer of 0 or more, and the sum (m+n) of m and n is 3 or more:
- where A1 to A3 each independently represent an alkylene group, Q1 and Q2 represent an aliphatic or aromatic divalent residue, L1 to L4 represent linkers, x is an integer of 1 or more, y is an integer of 0 or more, and z is an integer of 1 or more, and
- wherein the core (A) of the compound of Formula 1 includes a polyethylene oxide unit and a polypropylene oxide unit.
5 more elements
Dependencies are inferred from the claim text.