Back to results
US 11,732,154 B2Granted
Coating composition and method for forming multilayer coating film
AssigneeNippon Paint Automotive Coatings Co., Ltd.
InventorsYasunori Miwa, Takuhiro Kakii, Takanori Inazumi, Katsumi Mizuguchi, Hiroshi Iida, Takuma Okada
Life of this patent
Estimating the term…
Abstract
The present invention provides a coating composition capable of forming a coating film having a good appearance and design of a coating film and having coating film properties such as scratch resistance with a good balance. Furthermore, the present invention provides a method for forming a multilayer coating film including forming a coating film using the coating composition of the present invention.
Claims11
A coating composition consisting essentially of:
- a hydroxyl group-containing acrylic resin (A);
- a melamine resin (B1);
- a half-ester group-containing copolymer (C) that is a copolymer of a polymerizable unsaturated monomer (a) having a half-esterified acid anhydride group and another copolymerizable monomer (b);
- and
- a blocked isocyanate compound (D),
- wherein
- the polymerizable unsaturated monomer (a) has an acid anhydride group half-esterified with a monoalcohol having 1 to 8 carbon atoms, and
- a total acid value of the half-ester group-containing copolymer (C) is 5.0 mgKOH/g or more and 240 mgKOH/g or less.
5 more elements
Dependencies are inferred from the claim text.