Preparation of oxadiazole copolymer solution from scrap copolyme

Details Preparation of oxadiazole copolymer solution from scrap copolyme Preparation of oxadiazole copolymer solution from scrap copolyme

1977-03-10

1978-10-03

Anderson, Harold D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 23, C08K 541

Patent

active

041183584

ABSTRACT:
A process for utilizing scrap aromatic oxadiazole/N-alkyhydrazide copolymer by dissolving the scrap copolymer in oleum thereby effecting degradation thereof and heating the resulting solution at a temperature between about 100.degree. C. and 160.degree. C. to form a polymer solution. Articles such as fibers can be shaped from this solution by combining the solution with an aqueous medium such as water.

REFERENCES:
patent: 3644297 (1972-02-01), Sekiguchi et al.

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