Color stabilized water-dispersed polyurethane coating on vinyl s

Details Color stabilized water-dispersed polyurethane coating on vinyl s Color stabilized water-dispersed polyurethane coating on vinyl s

1982-03-26

1983-09-13

Lusignan, Michael R.

Stock material or miscellaneous articles

Composite

Of polyamidoester

4273935, 525453, 525454, 525457, B32B 2740, B05D 302

Patent

active

044042582

ABSTRACT:
A polyurethane coated polyvinyl chloride or co-polymer which resists discoloration is provided by coating the substrate surface with an aqueous dispersed polyurethane treated with a mono-acid halide, mono-acid anhydride, carbethoxy cyclic imide or monoisocyanate. The coated composite even when subjected to temperatures in excess of 100 degrees C. for extended periods resists discoloration and remains thermo-color stable with extended use.

REFERENCES:
patent: 3923713 (1975-12-01), Hermann
patent: 4206255 (1980-06-01), Wenzel et al.

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