Patent · US Expired

Fiber-reinforced polypropylene resin composition

US5079281A · kind A · utility

11Cited by
0References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 28, 1989
Grant dateJan 7, 1992
Priority date
Expiry dateNov 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.