METHOD FOR FORMING MULTILAYERED COATING FILM
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United States of America Patent
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Issued Date -
Jan 1, 2015
app pub date -
Feb 15, 2013
filing date -
Mar 1, 2012
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Abandoned
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Abstract
This invention provides a method for forming a multilayered coating film, which comprises applying a first aqueous base coating composition, then applying a second aqueous base coating composition without preheating, then conducting preheating, subsequently applying a clear coating composition, and then curing thus formed three layers of first aqueous base coating film, second aqueous base coating film and clear coating film simultaneously, wherein a coating composition which comprises a specific aqueous polyester resin, a specific aqueous acrylic resin, an aqueous urethane resin and a melamine resin, when used for the first aqueous base coating composition, gives a multilayered coating film which is excellent in smoothness, distinctness-of-image gloss, chipping resistance and hardness.
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