Waterproof fabric and fabrication method thereof

Details Waterproof fabric and fabrication method thereof Waterproof fabric and fabrication method thereof

1983-12-06

1985-08-27

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

427176, 428267, 428269, 428284, 428287, 428290, 4283155, 4283166, 4283159, 428913, B32B 700

Patent

active

045378177

ABSTRACT:
The synthetic coating for the textile substrate consists of a thin film of coagulated polyamide with an open, asymmetrical microporous structure, comprising a first layer in direct contact with said substrate, having large, elongated pores extending transversely to the surface of said film and issuing upon the textile substrate, and a second layer with small, open ovoid pores communicating with both the elongated pores and the surface of the coagulated film.

REFERENCES:
patent: 4438167 (1984-03-01), Schwarz

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