Low fuming phenolic resin prepreg and process for producing the

Details Low fuming phenolic resin prepreg and process for producing the Low fuming phenolic resin prepreg and process for producing the

1991-08-15

1994-02-08

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428273, 428290, 528 87, 528 93, B32B 700, B32B 2700, B32B 1702

Patent

active

052847020

ABSTRACT:
A low fuming phenolic resin prepreg comprising a fibrous base impregnated with 20 to 60% by weight of a resin composition comprising (a) 100 parts by weight of a resol phenolic resin, (b) from 1.5 to 15 parts by weight of polyacrylamide, (c) from 1.5 to 25 parts by weight of an epoxy resin, and (d) from 1.5 to 15 parts by weight of an inorganic filler, and the method for preparing the prepreg by impregnating a solution of (a), (b) and (c) having dispersed therein the filler into a fibrous base. The method for the prepreg comprising impregnating the fibrous base with the resin composition. The phenolic resin prepreg has low fuming properties as well as excellent self-adhesion.

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Derwent Abstract of JP-A-2 132 128 Kanebo K.K.
Derwent Abstract of JP-A-2 187 448 Showa High Polymer K.K.
Derwent Abstract of JP-A-49 023 809 Mitsubishi-Edogawa Chem.

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