Polymerization of aliphatic nitriles

Details Polymerization of aliphatic nitriles Polymerization of aliphatic nitriles

1975-10-14

1978-07-11

Wong, Jr., Harry

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

Synthetic resins

From carboxylic acid or derivative thereof

260 334R, 260 4214, 428426, 428532, 528361, 528494, 528495, C08G 6300

Patent

active

041001478

ABSTRACT:
Soluble, curable triazine polymers are prepared by first polymerizing an aliphatic nitrile at a temperature of about 80 to about 450.degree. C in the presence of a catalyst such as a metal chloride to form a B-stage polymer, treating the B-stage polymer with a solvent such as diethyl ether to remove unreacted nitrile and finally extracting the soluble, curable triazine polymer from the thus-treated B-stage material with an alcohol, such as methanol. On heating, the soluble triazine polymers can be cured to form thermally-stable, insoluble, infusible polymeric materials.

REFERENCES:
patent: 3317484 (1967-05-01), Fritz et al.
patent: 3383332 (1968-05-01), Horn et al.
patent: 3763115 (1973-10-01), Miller
patent: 3775380 (1973-11-01), Miller

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