Patent ID: 7056413

Claim:
An acrylate copolymer for use in pressure-sensitive adhesives, comprising monomer components A, B and C: A) from 60 to 95% by weight of one or more monomers selected from the group consisting of alkyl acrylates and alkyl methacrylates, the alkyl radical containing 1 to 10 carbon atoms; B) from 5 to 15% by weight of one or more monomers selected from esters of (meth)acrylic acid with a polyethylene glycol derivative selected from polyethylene glycol derivatives having from 2 to 4 ethylene glycol units, said (meth)acrylic esters being free from hydroxyl groups; and C) from 1 to 35% by weight of a mixture of at least two vinyl compounds selected from vinyl compounds which contain one or more of the following functional groups: free carbonyl groups, free carboxyl groups, or groups having one or more active hydrogen atoms.