Patent · US Expired

Thermosetting bismaleimide resin composition containing an adduct of a propenylphenol and an epoxy compound

US4923928A · kind A · utility

6Cited by
7References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 18, 1988
Grant dateMay 8, 1990
Priority date
Expiry dateFeb 18, 2008

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L79/085
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Prereact modifiers prepared by reacting a propenylphenol with an epoxy resin are useful in toughening heat curable bismaleimide resin systems so as to minimize impact produced damage, and which have exceptional gel times.

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