Fast drying clear coat composition with low volatile organic con

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...

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524502, 524852, 524853, 525123, 5253288, 5253301, 525455, C08J 300, C08K 320, C08L 7500, C08L 4100, C08L 4300

Patent

active

061302864

ABSTRACT:
A fast-drying coating composition intended primarily as an automotive clear coat that may be cured at ambient conditions is provided with VOC less than 4.0 (preferably about 3.5) by the use as a major film-forming component an acrylic polyol that is the product of a combination of alkyl (meth)acrylate monomers and hydroxyalkyl (meth)acrylate monomers, at least one of which in a specific embodiment is the reaction product of a hydroxyalkyl (meth)acrylate and .epsilon.-caprolactone. The coating composition further includes a curing agent reactive with hydroxyl groups, particularly a polyisocyanate.

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