Fiber-reinforced polypropylene resin composition
US5079281A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 28, 1989 |
| Grant date | Jan 7, 1992 |
| Priority date | — |
| Expiry date | Nov 28, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2201/08
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A fiber-reinforced polypropylene resin composition is disclosed, comprising (1) a mixed polymer of polypropylene and carboxyl group containing polypropylene, (2) a silane treated reinforcing fiber, and (3) a coloring component of zinc sulfide and carbon black with a dispersing agent compounded thereto, said dispersing agent is polyethylene wax and the amount of said dispersing agent added to 20 to 50 parts by weight per 100 parts by weight of the zinc sulfide and carbon black.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.