Patent · US Expired

Process for manufacturing flexible epoxide resins

US4028432A · kind A · utility

12Cited by
5References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 27, 1975
Grant dateJun 7, 1977
Priority date
Expiry dateMar 27, 1995

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L63/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Epoxide resins of improved flexibility are obtained by partially substituting a conventional cross-linking agent with liquid polybutadiene containing carboxy groups. Specifically a liquid epoxide resin is reacted with a carboxylic compound and polybutadiene having carboxylic substitution.

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