Polycarbonate polyurethane resin composition

Details Polycarbonate polyurethane resin composition Polycarbonate polyurethane resin composition

1997-03-13

1999-01-12

Niland, Patrick D.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524839, 524840, C08J 300, C08K 320, C08L 7500

Patent

active

058591222

ABSTRACT:
A water-dispersable polycarbonate polyurethane resin composition obtained by creating an emulsified dispersion of a urethane prepolymer with isocyanate groups at the ends in water in the presence of an emulsifying agent if necessary, and then extending the ends with a polyamine compound containing 2 or more amino groups and/or imino groups in the molecule, wherein the polyol component used for production of the urethane prepolymer contains a polycarbonate polyol as a portion thereof, and the polyisocyanate component comprises at least 2 polyisocyanates. The composition gives a soft and resilient hand quality to treated fabrics, can be stably and reasonably produced, has excellent film formability in a suitable state of aqueous dispersion, and also has excellent water resistance, light fastness, heat resistance, oil resistance and solvent resistance.

REFERENCES:
patent: 4190566 (1980-02-01), Noll et al.

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