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US 10,767,057 B2Granted
Coating film, composition for coating film, film-forming agent, article having coating film, and method for forming coating film
AssigneesDaikin Industries, Ltd., Otsuka Packaging Industries Co., Ltd., Otsuka Pharmaceutical Factory, Inc.
InventorsTetsuya Uehara, Eiji Masuda, Kenta Shimada, Daichi Shibazaki, Fujio Inoue
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Abstract
A coating film exhibiting excellent water and oil repellency is provided. The coating film comprises (a) calcium carbonate having an average particle diameter of 600-9,000 nm, (b) poly(vinyl alcohol), and (c) a copolymer including constituent units of a monomer having a C6 or lower perfluoroalkyl group.
Claims15
A coating film comprising:
- (a) calcium carbonate having an average particle diameter of 600 nm to 9000 nm;
- (b) a polyvinyl alcohol;
- and
- (c) a copolymer comprising, as a constituent unit, a monomer having a perfluoroalkyl group of not more than 6 carbon atoms.
1 more element
A composition for coating film, comprising:
- (a) calcium carbonate having an average particle diameter of 600 to 9000 nm;
- (b) a polyvinyl alcohol;
- and
- (c) a copolymer comprising, as a constituent unit, a monomer having a perfluoroalkyl group of not more than 6 carbon atoms.
1 more element
A film-forming agent comprising:
- a first agent comprising (a) calcium carbonate having an average particle diameter of 600 nm to 9000 nm, and (b) a polyvinyl alcohol;
- and
- a second agent comprising (c) a copolymer comprising, as a constituent unit, a monomer having a perfluoroalkyl group of not more than 6 carbon atoms.
Dependencies are inferred from the claim text.