Monovinylarene conjugated diene block copolymer compositions for shrinkable films
US8236894B2 · kind B2 · utility
6Cited by
30References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 24, 2010 |
| Grant date | Aug 7, 2012 |
| Priority date | — |
| Expiry date | May 24, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2353/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates generally to monovinylarene-conjugated diene block copolymers adapted for shrinkable film applications. In one embodiment, a block copolymer is provided wherein an oriented 2 mil film of the block copolymer oriented at 100° C. or less exhibits less than 10% shrinkage at 70° C., and at least 70% shrinkage at 100° C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.