Patent · US Expired

In-mold coating compositions containing functional group terminated liquid polymers

US4242415A · kind A · utility

45Cited by
11References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 26, 1978
Grant dateDec 30, 1980
Priority date
Expiry dateDec 26, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31786
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Fully cured reinforced molded resins such as polyesters, polyurea urethanes, polyureas, polyurethanes, polyisocyanurates, polyepoxies and polycarbonate resins can be in-mold coated to cover surface defects such as sink marks and microcracks with an improved coating composition comprising reactive liquid polymers, a vinyl monomer, and certain cross-linkable unsaturated ester resins as co-polymers.

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