Phthalonitrile resin from diphthalonitrile monomer and amine

Details Phthalonitrile resin from diphthalonitrile monomer and amine Phthalonitrile resin from diphthalonitrile monomer and amine

1981-08-24

1983-10-04

Anderson, Harold D.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

524592, 524600, 528172, 528173, 528206, 528208, 528207, 528210, 528211, 528335, 528348, 528347, 528353, C08G 8300

Patent

active

044080352

ABSTRACT:
Phthalonitrile resins useful as high-temperature coatings and plastics and n high-temperature composites are obtained by heating a diphthalonitrile monomer with a primary amine from a temperature from about the melting point of the monomer to about the decomposition temperature of the resin. The resins can also be prepared by dissolving a diphthalonitrile monomer in a solvent, e.g. acetonitrile, adding a primary amine to form a suspension, heating the suspension to the B-stage, quenching the suspension, removing the solvent, and heating the residue at a temperature from about its melting point to about the decomposition temperature of the resin.

REFERENCES:
patent: Re28197 (1974-10-01), Ohfuji et al.
patent: 2245129 (1941-06-01), Greenewalt
patent: 2324936 (1943-07-01), Kroeper et al.
patent: 4223123 (1980-09-01), Keller et al.
patent: 4234712 (1980-11-01), Keller et al.
patent: 4238601 (1980-12-01), Keller et al.

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