US 12,331,466 B2
Water- and oil-proofing composition, method for its production, article and water- and oil-proof paper
Yuzuka Kamijo, Tokyo (JP); and Hiroyuki Hara, Tokyo (JP)
Assigned to AGC Inc., Tokyo (JP)
Filed by AGC Inc., Tokyo (JP)
Filed on Oct. 20, 2022, as Appl. No. 18/048,105.
Application 18/048,105 is a continuation of application No. PCT/JP2021/018860, filed on May 18, 2021.
Claims priority of application No. 2020-088235 (JP), filed on May 20, 2020.
Prior Publication US 2023/0062674 A1, Mar. 2, 2023
Int. Cl. D21H 19/12 (2006.01); C08J 7/04 (2020.01); C09D 151/00 (2006.01); D21H 21/16 (2006.01)
CPC D21H 19/12 (2013.01) [C08J 7/0427 (2020.01); C09D 151/003 (2013.01); D21H 21/16 (2013.01); C08J 2301/00 (2013.01); C08J 2351/00 (2013.01); C08J 2401/00 (2013.01); C08J 2451/00 (2013.01)] 14 Claims
 
1. A water- and oil-proofing composition, comprising:
an aqueous medium;
a fluorinated polymer comprising units based on a monomer of formula (1), CH2═CH—Rf, where Rf is a C1-8 perfluoroalkyl group, and units based on a monomer copolymerizable with the monomer of the formula (1); and
a fatty acid ester of polyglycerin having a content in a range of 2 to 8 parts by mass per 100 parts by mass of the fluorinated polymer.