The relative thermooxidative stability of a phthalindde against a phenylethynylphthalimide terminated polyimide-Reference-Cited by-同舟云学术

The relative thermooxidative stability of a phthalindde against a phenylethynylphthalimide terminated polyimide

Published:1995-02 Issue:1 Volume:7 Page:1-9
ISSN:0954-0083
Container-title:High Performance Polymers
language:en
Short-container-title:High Performance Polymers

Author:

Hinkley J A,Jensen B J¹

Affiliation:

1. Composites and Polymers Branch. NASA Langley Research Center, Hampton, VA 23681, USA

Abstract

An aromatic imide polymer was prepared both as a phenylethynyl terminated oligomer (LARCTM"PETI-5) and as the corresponding linear polymer with phthalic anhydride endcaps (LARCm-8515). After heating to cure/moulding temperatures, isothermal weight losses were measured for 134 h at four temperatures. Arrhenius activation energies were 169 + 6 kJ and 175 + 33 kJ for 8515 and PETI-5, respectively. Extrapolated lifetimes at lower temperatures were similar for the two materials.

Publisher

SAGE Publications

Subject

Materials Chemistry,Organic Chemistry,Polymers and Plastics

Link

http://journals.sagepub.com/doi/pdf/10.1088/0954-0083/7/1/001

Reference17 articles.

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2. [2] Hendricks C L and Hale J N 1985 Welding, Bonding and Fastening 1984 (NASA Conf Publication 2387) ed J D Buckley and B A Stein pp 351-390

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