Multilayer Coatings and Processes for the Multilayer Coating of Substrates
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United States of America Patent
Stats
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N/A
Issued Date -
May 28, 2015
app pub date -
Feb 2, 2015
filing date -
Dec 18, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The present invention relates to multilayer coatings of an optionally pre-coated substrate and processes for the multilayer coating of substrates. The multilayer coatings comprise a base coat layer of a water-based colour- and/or special effect-imparting base coat composition disposed on the optionally pre-coated substrate. The multilayer coatings further comprise a clear coat layer of a transparent clear coat composition disposed on the base coat layer. The water-based colour- and/or special effect-imparting base coat composition is a water-based coating composition comprising A) at least one water-dilutable polyurethane binder, B) optionally at least one curing agent, and C) at least one pigment. The at least one water-dilutable polyurethane binder is based on at least one polyhydroxyl compound, said polyhydroxyl compound comprises at least 50% by weight of at least one polycarbonate polyol, which is liquid at 20° C., the % by weight are based on the total amount of the polyhydroxyl compound.
First Claim
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