Patent · US Expired

Reaction injection molded elastomers prepared from amine terminated polyethers, amine terminated chain extender and aromatic polyisocyanate

US4433067A · kind A · utility

86Cited by
12References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 23, 1982
Grant dateFeb 21, 1984
Priority date
Expiry dateApr 23, 2002

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S264/83
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The invention relates to reaction injection molded elastomers containing a major amount of polyurea linkages derived from high molecular weight amine terminated polyethers, an aromatic diamine chain extender and a polyisocyanate. The reaction injection molded (RIM) elastomers of this invention are useful, for example, as automobile body parts.

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