Water-based reflow coating composition

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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524512, 524538, 524539, 525119, 525163, 525221, 525228, C08L 5128

Patent

active

057055580

ABSTRACT:
Water-reducible coating formulations suitable for use in thermal reflow coating protocols are described. The water-based coating formulations comprise an aqueous dispersion of a resin solids composition. The resin solids comprise about 70 to about 99% by weight of an acrylic resin having a glass transition temperature less than 150.degree. F. and an effective amount of a reflow modifier selected from a thermoplastic resin having a glass transition temperature greater than 150.degree. F. or less than 80% of the stoichiometric amount of a cross-linking agent for the acrylic resin. The improved water-based formulations in accordance with the invention provide high gloss, thermally reflowable coatings without the high organic volatiles content of art-recognized thermal reflow coating systems.

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