Patent · US Expired

Method for preparing high molecular weight epoxy resins containing hydrolyzed epoxy groups

US4340713A · kind A · utility

6Cited by
9References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 26, 1980
Grant dateJul 20, 1982
Priority date
Expiry dateNov 26, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G59/1427
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

High molecular weight epoxy resins containing hydrolyzed epoxy groups are prepared by reacting (A) a low molecular weight epoxy resin and (B) a hydroxyl-containing compound in the presence of (C) water (D) a hydrolysis catalyst and (E) a catalyst for effecting the reaction between (A) and (B).

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