Pressure-sensitive adhesive/adhesive and block copolymer suitable for use therein
US6806317B2 · kind B2 · utility
27Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 17, 2002 |
| Grant date | Oct 19, 2004 |
| Priority date | — |
| Expiry date | Jul 17, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2666/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention provides an adhesive composition containing a block copolymer, wherein the block copolymer has a polymer block (A) which is principally composed of a &agr;-methyl styrene unit, and a polymer block (B) which is principally composed of a conjugated diene unit and of which at least part of carbon-carbon unsaturated double bonds may be hydrogenated, and having a good holding power at high temperatures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.