Block copolymers and process for their preparation
US7067591B2 · kind B2 · utility
1Cited by
11References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 10, 2002 |
| Grant date | Jun 27, 2006 |
| Priority date | — |
| Expiry date | Jan 19, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L53/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A block copolymer having structural formula A-B or A-B-A, wherein A is a crystallizable isotactic polypropylene block segment and B is an amorphous olefin elastomeric block segment; the novel crystallizable block copolymer may be used as it is as a molding material, or as a compatibilizer, a surfactant, a mechanical property improvement agent and the like for other polyemers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.