Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Noninterengaged fiber-containing paper-free web or sheet...
Patent
1981-09-10
1983-08-30
Lusignan, Michael R.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Noninterengaged fiber-containing paper-free web or sheet...
260739, 427381, 427386, 4273899, 428375, 428378, 428380, 428383, 428395, 523402, 525109, 525111, B05D 302, B32B 2700, D02G 300
Patent
active
044017138
ABSTRACT:
A polyester fiber composite material useful for reinforcing rubber articles, comprises a polyester fiber substrate impregnated with an impregnating composition containing (A) a polyepoxide compound, (B) a rubber latex, (C) a resorcin-formaldehyde prepolymer and a water-soluble polyurethane compound of the formula (I): ##STR1## wherein A=a tri-hepta valent radical, X=a monovalent residue of blocking compound capable of dissociating from the compound (c) at an elevated temperature, Y=a monovalent residue of an aminosulfonic acid having 2 to 6 carbon atoms or aminocarboxylic acid having 1 to 6 carbon atoms, n=5-30, m=1-5, l=1-5 and l+m=2-6, the impregnating composition having been heat-treated on the substrate at least once at a temperature of 120.degree. C. to the melting point of the polyester fiber.
REFERENCES:
patent: 3231412 (1966-01-01), Pruitt et al.
patent: 3775150 (1973-11-01), McClary
patent: 4248938 (1981-02-01), Takata et al.
Lusignan Michael R.
Teijin Limited
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