Thermoset-thermoplastic aromatic polyamide containing N-propargyl groups

US4395540A · kind A · utility

Assignee

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

Inventors

• Terry L. St. Clair · Poquoson, US
• James F. Wolfe · Redwood City, US
• Thomas D. Greenwood · Bristol, US

Key dates

• Filing date: Oct 23, 1980
• Grant date: Jul 26, 1983
• Expiry date: Oct 23, 2000

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G69/28
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A novel composition and method for increasing the use temperature of polyamides based on the incorporation of a latent crosslinking agent into the polymer backbone, wherein high temperature performance is achieved without sacrificing solubility or processability.