Polyoxyalkyl amine-polyisocyarate reaction products as coagulati

Details Polyoxyalkyl amine-polyisocyarate reaction products as coagulati Polyoxyalkyl amine-polyisocyarate reaction products as coagulati

1979-06-07

1981-08-25

Pertilla, Theodore E.

Coating processes

With post-treatment of coating or coating material

Heating or drying

260 3, 260 292TN, 260 294R, 260 296NR, 427389, 427392, 428445, 528 78, C08G 7104, C08L 7508

Patent

active

042859964

ABSTRACT:
The present invention relates to a process for producing a non-woven fabric comprising impregnating a non-woven fibrous web with an aqueous binding agent dispersion containing, as coagulation agent, a polyurethane having a weight average molecular weight of from 500 to 20,000 which is the reaction product of

REFERENCES:
patent: 3832323 (1974-08-01), Ramey et al.
patent: 3876725 (1975-04-01), Wells et al.
patent: 3998871 (1976-12-01), Carlson
patent: 4028313 (1977-06-01), Muller et al.
patent: 4039517 (1977-08-01), Hamamura et al.
patent: 4068035 (1978-01-01), Violland et al.
patent: 4092286 (1978-05-01), Noll et al.

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