Hygrothermal aging at elevated temperatures tends to induce degradation in epoxy resins. To predict the effects of this degradation, a knowledge of absorption and transport behavior of water is needed. In this work, a model material (DGEBA/ DDA) has been employed to study the water absorption and ab
Absorption of water in polyimide resins and composites
โ Scribed by W. P. Paplham; R. A. Brown; I. M. Salin; J. C. Seferis
- Publisher
- John Wiley and Sons
- Year
- 1995
- Tongue
- English
- Weight
- 404 KB
- Volume
- 57
- Category
- Article
- ISSN
- 0021-8995
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โฆ Synopsis
The effect of temperature, postcure, and fiber orientation on water absorption were examined for Kerimid@ 723 bismaleimide resin. The effect of fiber orientation was also examined for Avimidm N and BASF X-5260. Water absorption in Kerimid@ 723 was found to have an Arrhenius temperature dependence, depend on degree of postcure, and be independent of fiber orientation. BASF X-5260 water absorption was also found to be independent of fiber orientation. Avimid@ N water absorption exhibited a strong dependence on fiber orientation.
๐ SIMILAR VOLUMES
Dielectric, gravimetric, dynamic mechanical, and infrared measurements are reported on the effect of different stoichiometric ratios on the water absorption of diglycidyl ether of bisphenol A (DGEBA), MY720 (Ciba Geigy) cured with stoichiometric variations of triethylenetetramine (TETA), (BDH). Resi