Process for the production of porous phenolic resin fibers

Details Process for the production of porous phenolic resin fibers Process for the production of porous phenolic resin fibers

1989-12-27

1991-05-28

Kight, III, John

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521131, 525502, C08J 938

Patent

active

050196030

ABSTRACT:
A process for the production of porous phenolic resin fibers is disclosed, which process comprises graft-polymerizing to phenolic resin fibers a vinyl group-containing monomer capable of forming a thermally decomposable polymer, and thereafter subjecting the fibers to a heat treatment at a temperature high enough to cause thermal decomposition of the graft polymer. The product thus obtained is excellent in heat-resistance and adiabatic property in addition to useful properties inherent to phenolic resin fibers.

REFERENCES:
patent: 4018725 (1977-04-01), Hadley
patent: 4173598 (1979-11-01), Castelazo et al.
patent: 4350776 (1982-09-01), Smith
patent: 4593070 (1986-06-01), Oyama et al.
patent: 4764535 (1988-08-01), Leicht

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