Wash durable fabric laminates

Details Wash durable fabric laminates Wash durable fabric laminates

1996-04-17

1997-08-26

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428197, B32B 300

Patent

active

056609183

ABSTRACT:
A delamination problem in fabric laminates made of a fabric laminated to a nonporous, hydrophilic organic polymer film, such as a breathable polyurethane film, was found to be caused by the hydrophilic nature of the polymer. A particular adhesive pattern was devised to overcome the delamination problem. More specifically, a wash-durable fabric laminate of a continuous, non-porous hydrophilic polymer, e.g., a breathable polyurethane, layer and a fabric layer were bonded together by a discontinuous, but interconnected pattern of an adhesive layer. The fabric laminate is water-vapor-permeable, air-impermeable and liquid water impermeable.

REFERENCES:
patent: 4532316 (1985-07-01), Henn
patent: 4761324 (1988-08-01), Rautenberg et al.
patent: 4862730 (1989-09-01), Crosby
patent: 4935287 (1990-06-01), Johnson et al.
Modern Coating and Drying Technology, E.D. Cohen and E.B. Gutoff (editors), p. 103, VCH Publishers, Inc., New York, 1992.
Handbook of Pressure Sensitive Adhesive Technology, D. Satas (editor, p. 789, Van Nostrand Reinhold, New York, 1989.

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