Monovinylarene conjugated diene block copolymer compositions for shrinkable films
US7737216B2 · kind B2 · utility
8Cited by
22References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 26, 2006 |
| Grant date | Jun 15, 2010 |
| Priority date | — |
| Expiry date | Aug 3, 2026 |
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.