Fibrous web impregnated with coagulated polyurethane and polyole

Details Fibrous web impregnated with coagulated polyurethane and polyole Fibrous web impregnated with coagulated polyurethane and polyole

1984-01-10

1985-01-29

McCamish, Marion E.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428151, 428290, 428904, B32B 506

Patent

active

044966245

ABSTRACT:
A stable aqueous polymeric composition is comprised of an aqueous anionic polyurethane dispersion and a compatible polymeric dispersion or emulsion. The compatible dispersions or emulsions may have a substantially neutral pH or be anionic or cationic. The polymeric compositions are useful in impregnating porous substrates to form composite sheet materials which can be further processed to form simulated leather and the like.

REFERENCES:
patent: 3100721 (1963-08-01), Holden
patent: 3208875 (1965-09-01), Holden
patent: 3412054 (1968-11-01), Milligan et al.
patent: 3708333 (1973-01-01), Carlson
patent: 3860472 (1975-01-01), Derville
patent: 3936555 (1976-02-01), Smith
patent: 3940532 (1976-02-01), Smith
patent: 4046729 (1977-09-01), Scriven et al.
patent: 4094847 (1978-06-01), Huffman et al.
patent: 4137209 (1979-01-01), Wong et al.
patent: 4171391 (1979-10-01), Parker
patent: 4332710 (1982-06-01), McCartney

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