Phenylated carboxyquinoxalines

Details Phenylated carboxyquinoxalines Phenylated carboxyquinoxalines

1977-06-03

1978-11-14

Rizzo, Nicholas S.

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

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

528332, 528310, 528327, C07d24142

Patent

active

041257251

ABSTRACT:
High molecular weight polyphenylamide-quinoxalines comprised essentially of nits of the formula ##STR1## or mixtures thereof, are prepared by heating bifunctional monomers of the formula ##STR2## or mixtures thereof, wherein R is COCH.sub.3 or --H to a temperature above the melting point of the monomer but below the decomposition temperature of the polyphenylamide -quinoxaline (Ca. 475-490.degree. C). This melt polymerization of the bifunctional monomers produces strong, low void adhesive joints.

REFERENCES:
patent: 3656953 (1972-04-01), Schluwke et al.
patent: 4001017 (1977-01-01), Baumann et al.
Chemical Abstracts, 56, 5957 b, (1960) Musante et al.

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