Polyolefin compositions having high balance of stiffness and impact strength
US5453466A · kind A · utility
31Cited by
7References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 29, 1994 |
| Grant date | Sep 26, 1995 |
| Priority date | — |
| Expiry date | Aug 29, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2308/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed are polyolefin compositionshaving high balance of stiffness and impact strength, which comprise (percentage by weight): PA0 A) 30%-60% of a propylene homopolymer or copolymer; PA0 B) 14%-30% of a fraction comprising copolymers of propylene with ethylene; PA0 C) 10%-25% of a copolymer of ethylene with a C.sub.3 -C.sub.8 .alpha.-olefin; PA0 D) 5%-45% of a mineral filler.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.