Pressure sensitive adhesives containing block copolymer
US4717749A · kind A · utility
25Cited by
4References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 22, 1985 |
| Grant date | Jan 5, 1988 |
| Priority date | — |
| Expiry date | Aug 22, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2666/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A pressure sensitive adhesive composition is provided. The adhesive comprises an ABA block polymer wherein A represents a copolymer of styrene and alpha-methylstyrene and B represents blocks of diene polymer. The diene polymer can be butadiene, isoprene or a mixture thereof. The composition also contains a tackifying resin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.