Preparation and properties of cardopolyimides containing phenoxaphosphine units
β Scribed by T. Ashok Reddy; M. Srinivasan
- Publisher
- John Wiley and Sons
- Year
- 1989
- Tongue
- English
- Weight
- 201 KB
- Volume
- 27
- Category
- Article
- ISSN
- 0887-624X
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π SIMILAR VOLUMES
New phenoxaphosphine-containing polyimides were synthesized from 10-phenylphenoxaphosphine-2,3,7,8-tetracarboxylic dianhydride 10-oxide (IV) and diamines via polyamic acids in two steps. (IV) was prepared by dehydration of IO-phenylphenoxaphosphine-2,3,7,8-tetracarboxylic acid 10-oxide (!!!) derived
New phenoxaphosphine-containing polyamides were prepared from 2,8-dichloroformyl-10phenylphenoxaphosphine 10-oxide (I!!) and aromatic diamines in DMA by low-temperature solution polycondensation in the presence of triethylamine as acid acceptor. (III) was synthesized by the chlorination of 2,8-dicar