Thermoplastic elastomer of propylene polymer material and crosslinked ethylene-propylene rubber
US4948840A · kind A · utility
58Cited by
8References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 14, 1989 |
| Grant date | Aug 14, 1990 |
| Priority date | — |
| Expiry date | Nov 14, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2312/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed is a dynamically partially cured thermoplastic elastomer comprising a propylene polymer material, an amorphous ethylene-propylene copolymer rubber, a semi-crystalline, low density, essentially linear ethylene-propylene copolymer and a curing system containing 1,2-polybutadiene and an organic peroxide and a method of making the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.