Oxidative irradiation effects on several aromatic polyimides
โ Scribed by Tsuneo Sasuga
- Publisher
- Elsevier Science
- Year
- 1988
- Tongue
- English
- Weight
- 565 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0032-3861
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๐ SIMILAR VOLUMES
Permeability coefficients of Hz, Oz, and Nz were measured under 10 atm at the temperature from ambient temperature up to 15OoC in a series of structurally different aromatic homoand copolyimides, which were prepared from 4,4'-oxydianiline (ODA) or 4,4'-methylene dianiline (MDA) with various aromatic
Three high-performance polyimides were exposed at 177 ยฐC to ultraviolet radiation at three different intensities and for three different times so that the product of intensity and time was a constant. Intensities of 1, 2 and 3 suns, and times of 500, 250 and 167 h were used. One sun is the power in