Composition, for use in coatings, based on a mixture of...

Details Composition, for use in coatings, based on a mixture of... Composition, for use in coatings, based on a mixture of...

2005-12-06

2005-12-06

Lipman, Bernard (Department: 1713)

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...

C524S507000, C524S591000

Reexamination Certificate

active

06972308

ABSTRACT:
The present invention relates to a composition comprising at least one masked or unmasked polyisocyanate in the form of an aqueous emulsion whose mean size is between 0.1 and 10 micometers; and at least one polyhydroxylated polymer, advantageously a polyol, in the form of a second aqueous dispersion whose mean size is between 10 and 200 nanometers wherein the content of polyhydroxylated polymer, advantageously of polyol, expressed in mass per cent, is at least equal to 5/6R-20, with R equal to the ratio of the mean size (d50) of the emulsion to that of the dispersion of polyhydroxylated polymer, advantageously of polyol.

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