US 12,065,577 B2
Wood article and process for the preparation of the wood article
Shigang Fan, Foshan (CN); Xi Zhao, Foshan (CN); and Gang Duan, Cleveland, OH (US)
Assigned to GUANGDONG HUARUN PAINTS CO., LTD, Foshan (CN)
Appl. No. 17/424,233
Filed by GUANGDONG HUARUN PAINTS CO., LTD, Foshan (CN)
PCT Filed Jan. 14, 2020, PCT No. PCT/CN2020/071957
§ 371(c)(1), (2) Date Jul. 20, 2021,
PCT Pub. No. WO2020/156145, PCT Pub. Date Aug. 6, 2020.
Claims priority of application No. 201910085770.3 (CN), filed on Jan. 29, 2019.
Prior Publication US 2022/0025202 A1, Jan. 27, 2022
Int. Cl. C09D 15/00 (2006.01); B05D 7/06 (2006.01); C09D 4/00 (2006.01); C09D 5/00 (2006.01); C09D 131/04 (2006.01); C09D 133/04 (2006.01); C09D 135/00 (2006.01); C09D 175/14 (2006.01)
CPC C09D 15/00 (2013.01) [C09D 4/00 (2013.01); C09D 5/002 (2013.01); C09D 131/04 (2013.01); C09D 133/04 (2013.01); C09D 135/00 (2013.01); C09D 175/14 (2013.01); B05D 7/06 (2013.01)] 12 Claims
 
1. A wood article comprising:
a wood substrate comprising acidic substances and having at least one major surface;
a sealing coating applied on the major surface of the wood substrate; and
a Michael Addition curing coating applied on the sealing coating, wherein the sealing coating is formed by a sealing agent comprising one or more chosen from an aqueous latex of polyurethane acrylics polymer, an aqueous latex of carboxyl functional self-crosslinkable acrylics polymer, an aqueous latex of cationic acrylics polymer, an aqueous latex of polyvinyl acetate, or a two-component polyurethane coating system; and
wherein the Michael Addition curing coating is formed from a two-component curable coating composition.