AQUEOUS COATING COMPOSITION AND METHOD FOR PRODUCING AQUEOUS COATING COMPOSITION
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United States of America
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Mar 20, 2025
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Dec 4, 2024
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Dec 4, 2024
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Abstract
A method for forming a multilayer coating film, comprising the following steps (1) to (5): (1) producing a first aqueous base coating composition comprising combining an acrylic resin dispersion (A) having a core/shell structure and a melamine resin (B), (2) applying the first aqueous base coating composition onto a surface of an object to form an uncured first aqueous base coating film, (3) applying a second aqueous base coating composition onto the uncured first aqueous base coating film to form an uncured second aqueous base coating film, (4) applying a clear coating composition onto the uncured second aqueous base coating film to form an uncured clear coating film, and (5) heat-curing the uncured first aqueous base coating film, the uncured second aqueous base coating film, and the uncured clear coating film obtained in steps (2) to (4) at a time to form the multilayer coating film.
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