Polypropylene resin composition
US5145891A · kind A · utility
21Cited by
8References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 26, 1988 |
| Grant date | Sep 8, 1992 |
| Priority date | — |
| Expiry date | Aug 26, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K7/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polypropylene resin composition superior in rigidity, resistances to heat distortion, to secondary deformation, to sink mark forming and to warpage deformation is provided which comprises a specified propylene-ethylene block copolymer and an organic fiber and an optionally added inorganic filler, or a specified modified propylene-ethylene block copolymer and an organic fiber and an optionary added inorganic filler.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.