Fibers made from cyanato group containing phenolic resins and ph

Details Fibers made from cyanato group containing phenolic resins and ph Fibers made from cyanato group containing phenolic resins and ph

1991-09-16

1993-03-16

Ryan, Patrick J.

Stock material or miscellaneous articles

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

Rod, strand, filament or fiber

528162, 528164, 525504, 525480, 428224, 428359, D02G 300

Patent

active

051943310

ABSTRACT:
The present invention is a fiber comprising cyanato group containing phenolic resin comprising repeating units of the formula: ##STR1## wherein p is 0 or an integer of one or more, q is O or an integer of 1 or more, X is a radical selected from the group consisting of: --CH.sub.2 --, --CO--, --SO.sub.2 --, ##STR2## and R is the same or different and is selected from the group consisting of hydrogen and methyl radicals. The fiber of the present invention can be made a phenolic triazine derived from the cyanato group containing phenolic resin.

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Dicyano Ethers of Bisphenols, S. V. Finogradova, et al. pp. 749-750; Organic Synthesis, Cyanic Esters from Phenols, Phenyl.
Cyanate, Ed. R. Stevens, John Wiley & Sons, N.Y., vol. 61 (1983) Esters of Cyanic Acid, Valuable Intermediates in Organic Snthesis, Joachim Kohn.
U.S. Ser. No. 041,018, filed Jan. 16, 1987, PCT/US 87/00123.
Novoloid Fibers, Kirk-Othmer, Encyclopedia of Chemical Tech., vol. 16, pp. 125-138; U.S. Ser. No. 104,700 Filed Oct. 5, 1987.
U.S. Ser. No. 041,018, filed Jan. 16, 1987, PCT/US 87/00123.

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