Fibers coated with triozine polymers

Details Fibers coated with triozine polymers Fibers coated with triozine polymers

1977-09-07

1979-01-09

Kendell, Lorraine T.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

428361, 428375, 428393, B32B 900, B32B 2300, D02G 300

Patent

active

041339371

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: 3140197 (1964-07-01), Heberlein et al.
patent: 3308101 (1967-03-01), Ikeda
patent: 3604470 (1971-09-01), Zindwer

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