The preparation of a phosphorus derivative of heptasulfur imide
β Scribed by Joseph M. Kanamueller
- Book ID
- 115973248
- Publisher
- Elsevier Science
- Year
- 1974
- Weight
- 189 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0022-1902
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π SIMILAR VOLUMES
Phosphorus-containing polyanhydride-imides were synthesized from N,N-bis(4-carboxyphthalimido)-3,3'-diphenylalkylphosphine oxide, 3,Y-[N, N'-bis(4-carboxyphthalimido)]benzophenone and their mixtures in two steps via the diacetyl derivatives of the bisimide-carboxylic acids. The resulting polymers ha
Four new diimide-dicarboxylic acids (I-IV) were prepared by condensation of s-or a-BPDA with para-or meta-aminobenzoic acid. A series of aromatic poly(amideimide)s containing these diimide-dicarboxylic units was prepared by three methods: (1) acid chloride method, (2) triphenylphosphite method, and