Methylene-crosslinked polyarylamine and process for preparing sa

Details Methylene-crosslinked polyarylamine and process for preparing sa Methylene-crosslinked polyarylamine and process for preparing sa

1991-01-17

1991-10-01

Siegel, Alan

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

C07C21100

Patent

active

050535390

ABSTRACT:
A methylene-crosslinked polyarylamine is disclosed which contains a less amount of N-methylmethylenedianiline. A process for continuously preparing this kind of methylene-crosslinked polyarylamine is also revealed which comprises reacting aniline with formalin in the presence of hydrochloric acid under specific reaction conditions.

REFERENCES:
patent: 3274274 (1966-03-01), Repper et al.

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