Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1986-10-10
1987-06-16
McCamish, Marion C.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
264319, 264324, 4273899, 427394, 428290, 428300, 428301, B32B 506, B32B 2700
Patent
active
046736166
ABSTRACT:
A moldable textile material and process for making a textile material partially or wholly impregnated with a variably stiffening polymer rigidifier comprising: a needled non-woven fabric substrate comprising one or more fibers selected from the group consisting of polyesters, polyacrylics, polyester, copolymers, polyacrylic copolymers, wool, cotton, consensation polymers of diamines and dicarboxylic acids, caprolactam based polymers and regenerated cellulose based polymers; and a latex impregnant comprising at least about 25 percent by weight of water, one or more fillers selected from the group consisting of calcium carbonate, clay and zinc oxide, and one or more stiffeners selected from the group consisting of polystyrene, styrene-acrylonitrile, styrene-acrylonitrile-butadiene, styrene acrylates, styrene butadiene, polyvinyl chloride, polyvinyl acetate, alkyl acrylates, polyvinylidene chloride, ethylene vinyl chloride and copolymer and terpolymer of these resins; the fabric substrate being needled in sheet form to a thickness of between about 75 and about 450 mils, the latex being applied to one or both surface(s) of the substrate and penetrating from about 10% to 100% of the thickness thereof.
REFERENCES:
patent: 4338369 (1982-07-01), Foenard
Cohen Jerry
Foss Manufacturing Co., Inc.
McCamish Marion C.
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