Bisimide compositions

Details Bisimide compositions Bisimide compositions

1993-10-04

1995-02-28

Schoffer, Joseph L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548486, 548521, C07D20902, C07D20934, C07D207448

Patent

active

053938879

ABSTRACT:
A mixed bisimide having the formula: ##STR1## wherein D, A and Z are as defined in the specification, produced by reacting a diamine with an ethylenically unsaturated dicarboxylic acid anhydride and a halogenated compound containing an anhydride group and aromatic or bicyclo groups to form a bisamic acid composition and then dehydrating such composition to ring close the end groups. The halogenated end groups (Z) of the mixed bisimide component render the bisimide reaction product of the ring closing reaction flame retardant.

REFERENCES:
patent: 4125535 (1978-11-01), Wolford
patent: 4130600 (1978-12-01), Zahir et al.
patent: 4876325 (1989-10-01), Olson et al.
patent: 4883843 (1989-11-01), Taniuchi et al.
patent: 4985478 (1991-01-01), Kameyama et al.
patent: 5004775 (1991-04-01), Olson et al.
patent: 5034503 (1991-07-01), Camberlin

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