The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 08, 2022
Filed:
Nov. 24, 2017
Kao Corporation, Tokyo, JP;
Shogo Kamenoue, Wakayama, JP;
KAO CORPORATION, Tokyo, JP;
Abstract
The present invention relates to [1] a method of producing a polymer emulsion for water-resistant coating films with excellent water resistance, including emulsion polymerizing a radical polymerizable monomer (B) in the presence of a compound (A) represented by the following formula (1); and [2] a method of producing a polymer coating film, including a step 1 of emulsion polymerizing a radical polymerizable monomer (B) in the presence of a compound (A) represented by the following formula (1), to obtain a polymer emulsion having an average particle diameter of 30 nm or more and 300 nm or less, and a step 2 of applying the obtained polymer emulsion on a substrate and then drying: wherein Rrepresents an alkyl group having 16 or more and 24 or less carbon atoms; m represents an average addition molar number of (CHHO) and is 0.5 or more and 10 or less; and M represents a cation or a hydrogen atom.