Patent · US Expired

High gloss molded resin

US5800912A · kind A · utility

13Cited by
0References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 31, 1995
Grant dateSep 1, 1998
Priority date
Expiry dateOct 31, 2015

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31938
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

The present invention relates to a high gloss molded resin exhibiting high gloss, metallic luster, excellent weather-proofing and scratch resistance properties comparable to those of a coated product, thus eliminating a coating process; the high gloss molded resin comprising a core layer and a skin layer, the core layer formed of a polypropylene composite material, the skin layer formed of a mixture of a polypropylene resin and a coloring agent; the polypropylene resin used for the skin layer containing an amount of ethylene 6 wt. % or less, as well as exhibiting Rockwell hardness equal to or greater than 85.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.