Patent ID: 11920067
Assignee: 3M INNOVATIVE PROPERTIES COMPANY
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  Y | IPC C

Claim 0:
1. A pressure-sensitive adhesive composition comprising:
a) a styrenic component comprising a first styrenic block copolymer having at least one rubbery block and at least two glassy blocks;
b) a first tackifier that is a linear (meth)acrylic-based polymeric material having a glass transition temperature equal to at least 50° C. and having a weight average molecular weight in a range of 5,000 to 200,000 Daltons; and
c) a second tackifier that is compatible with the at least one rubbery block of the first styrenic block copolymer, the second tackifier being an aliphatic hydrocarbon tackifier, a terpene resin, a terpene phenolic resin, or a mixture thereof.