Process for improving moisture resistance of epoxy resins by addition of chromium ions

US4510277A · kind A · utility

Assignee

• The United States of America as represented by the Administrator of the National Aeronautics and Space Administration · US

Inventors

• Anne K. St. Clair · Poquoson, US
• Diane M. Stoakley · Yorktown, US
• Terry L. St. Clair · Poquoson, US
• Jag J. Singh · Yorktown, US

Key dates

• Filing date: Nov 3, 1983
• Grant date: Apr 9, 1985
• Expiry date: Nov 3, 2003

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K5/0091
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A product and the process for preparing the same to improve the moisture resistance properties of epoxidized TGMDA and DGEBA resin systems by chemically incorporating chromium (III) ions therein without impairing the mechanical strength properties of the resins.