Reinforced polypropylene composition
US5082889A · kind A · utility
17Cited by
3References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 22, 1990 |
| Grant date | Jan 21, 1992 |
| Priority date | — |
| Expiry date | Mar 22, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2205/035
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A reinforced polypropylene composition comprising from 50 to 80% by weight a resin component comprising from 35 to 90 parts by weight a crystalline polypropylene (A) from 5 to 60 parts by weight a polyethylene resin (B), and from 5 to 30 parts by weight an aromatic hydrocarbon resin (C), the sum of (A), (B), and (C) being 100 parts by weight; from 15 to 45% by weight talc (D); and from 1 to 40% by weight glass fiber (E); the sum of the talc and the glass fiber being not more than 50% by weight, wherein the percentages are based on the sum of (A)+(B)+(C)+(D)+(E).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.