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Thermal degradation of an aromatic polypyromellitimide in air and vacuum II—The effect of impurities and the nature of degradation products

✍ Scribed by S.D Bruck

Publisher
Elsevier Science
Year
1965
Tongue
English
Weight
620 KB
Volume
6
Category
Article
ISSN
0032-3861

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Degradation of aromatic polymers—II. The
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✍ Shin-ichi Kuroda; Itaru Mita 📂 Article 📅 1989 🏛 Elsevier Science 🌐 English ⚖ 696 KB

A soluble polyimide (PI2080) was thermally and thermo-oxidatively degraded. Crosslinking was found to proceed under both conditions. Crosslinking densities of degraded samples were estimated before and after the gel point by gel permeation chromatography and by a new method using thermomechanical an