Title:
ANTIFOAMING AGENT COMPOSITION, AQUEOUS COATING COMPOSITION AND ARTICLE
Document Type and Number:
WIPO Patent Application WO/2024/010096
Kind Code:
A1
Abstract:
Provided are an antifoaming agent composition that can form a coating film with an excellent coating appearance, has excellent shear resistance, and does not impair top coatability, an aqueous coating composition containing the antifoaming agent composition, and an article coated with a coating agent containing the antifoaming agent composition. This antifoaming agent composition for an aqueous coating material includes: a nonionic surfactant (A) that has at least one hydrophilic moiety selected from the group consisting of an ethylene glycol moiety, a polyethylene glycol moiety, and a polyhydric alcohol moiety in a molecule, and has an HLB of 1-16; a polymer (B) having no hydrophilic moiety in a molecule and having an SP value of 7.5-12 and a weight-average molecular weight of 400-1,000,000; and organic solid fine particles (C) which are in a solid state in the foaming agent composition at 25°C.
Inventors:
SATAKE HIDEKI (JP)
NISHIYAMA HIRONORI (JP)
OIWA YASUHIRO (JP)
KADOWAKI KANJI (JP)
ONIZAWA TSUNAKI (JP)
OGIWARA SHUNSUKE (JP)
WATANABE TOSHIHIRO (JP)
NISHIYAMA HIRONORI (JP)
OIWA YASUHIRO (JP)
KADOWAKI KANJI (JP)
ONIZAWA TSUNAKI (JP)
OGIWARA SHUNSUKE (JP)
WATANABE TOSHIHIRO (JP)
Application Number:
PCT/JP2023/025417
Publication Date:
January 11, 2024
Filing Date:
July 10, 2023
Export Citation:
Assignee:
KUSUMOTO CHEMICALS (JP)
International Classes:
B01D19/04; C09D7/63; C09D7/65; C09D201/00
Domestic Patent References:
| WO2010087196A1 | 2010-08-05 | |||
| WO2016080475A1 | 2016-05-26 |
Foreign References:
| JP2014083466A | 2014-05-12 | |||
| JP2011218329A | 2011-11-04 | |||
| JP2013506041A | 2013-02-21 | |||
| JPH04502730A | 1992-05-21 | |||
| JPH01210005A | 1989-08-23 | |||
| JPS5297380A | 1977-08-16 |
Attorney, Agent or Firm:
TOHDA, Kiyoshi (JP)
Download PDF: