Process for producing aromatic polyamides from amidine derivativ

Details Process for producing aromatic polyamides from amidine derivativ Process for producing aromatic polyamides from amidine derivativ

1973-12-20

1976-08-17

Anderson, Harold D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 78A, C08G 6932

Patent

active

039753310

ABSTRACT:
Polyamides, particularly aromatic polyamides and mixed aromatic-aliphatic polyamides, are produced by heating various amidines or amidine derivatives to yield polymer and a volatile low molecular weight amide, such as formamide. The thermally polymerizable composition is an aromatic amidine or salt thereof, e.g. N,N-1,4-phenylene bis-(N',N'-dimethylformamidinium) terephthalate which is heat polymerizable to poly-(p-phenylene terephthalamide); or N-(p-carboxyphenyl)-N',N'-dimethyl formamidine hydrochloride which is heat polymerizable to poly-(p-benzamide).

REFERENCES:
patent: 3094511 (1963-06-01), Hill et al.
patent: 3475387 (1969-10-01), Carter et al.
Chemical Abstracts, vol. 55, p. 3608e - 3609, 1961.

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