Filled textile fabric with a density gradient

Details Filled textile fabric with a density gradient Filled textile fabric with a density gradient

1973-10-17

1976-02-03

McCamish, Marion E.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

28 722R, 428218, 428286, 428287, 428300, 428301, 428904, B32B 506, B32B 522

Patent

active

039365557

ABSTRACT:
A textile fabric with a dense intensely entangled reticular fibrous structure and process for manufacture thereof are provided wherein staple fibers are needled into a high bulk density structure with a bulk density gradient wherein the bulk density increases from the back surface to the face surface of the structure. The needled structure is impregnated with a liquid phase filler and capillary action preferentially disposes the liquid phase filler toward the more dense face surface. The filler is coagulated and dried, cured, etc., into particles which are at most loosely bonded to the fibers. The preferential disposition of the filler increases the bulk density gradient of the filled fabric.

REFERENCES:
patent: 3206351 (1965-09-01), Smith
patent: 3817820 (1974-06-01), Smith

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