Coating compositions and their use for the preparation of coatin

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From reactant having at least one -n=c=x group as well as...

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524590, 524840, 524871, 524874, 524875, 528 49, 528 52, 528 57, 528 60, 528 61, 528 64, 528 65, 528 71, 528 76, 528 80, 528 85, 427389, 4273899, 4273934, C08G 1848, C08G 1880, C08G 1838

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active

056294026

ABSTRACT:
This invention relates to coating compositions containing (A) a polyurethane system containing either a polyurethane containing ionic groups and polyethylene oxide units or a precursor thereof prepared from a blocked isocyanate prepolymer and a cross-linking agent and, optionally, (B) organic solvents. This invention further relates to the use of such coating compositions to prepare coatings that are permeable to water vapor.

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