Process for preparing ordered aromatic copolyamide urea polymer

Details Process for preparing ordered aromatic copolyamide urea polymer Process for preparing ordered aromatic copolyamide urea polymer

1976-02-12

1977-07-12

Cockeram, H.S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 775D, C08G 7132, C08G 6362

Patent

active

040353443

ABSTRACT:
An ordered copolyamide-urea-type polymer is prepared which is particularly useful for the production of synthetic fibers, films, etc. A representative polymer is that derived from p-phenylene terephthalamide and p-phenyleneurea. The polymer may contain nitrogen-substituted urea groups if the diamine which is reacted with urea is substituted at nitrogen with one or more lower alkyl groups such as methyl, ethyl, propyl, etc.

REFERENCES:
patent: 2833744 (1958-05-01), Neher
patent: 2973342 (1961-02-01), Inaba et al.
patent: 3119793 (1964-01-01), Inaba et al.
patent: 3164571 (1965-01-01), Cotter
patent: 3185656 (1965-05-01), Gabler et al.

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