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Title:
DEFOAMING-PROPERTY IMPROVER, DEFOAMER CONTAINING SAME, AND AQUEOUS COATING COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2016/136437
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a defoaming-property improver with which it is possible to suppress cissing, and to dramatically enhance defoaming properties, merely by compounding a hydrophobic compound with the improver. The present invention is a defoaming-property improver formed by the inclusion of a compound represented by formula 1 or a compound represented by formula 2. X is a residue obtained by removing a hydroxyl group from an alcohol condensate; Y is an oxygen atom or 1,4-dioxa-2-oxobutylene; OA is oxyalkylene; Z is a group represented by ‒R, ‒C(=O)‒R, ‒C(=O)‒NH‒R, or ‒CH2‒CH(‒OH)‒CH2‒R; R is alkyl, alkenyl, or aryl; S is a residue obtained by removing carboxyl hydrogen atoms from a (co)polymer having (meth)acrylic acid as an essential constituent monomer; M is a hydrogen atom, methyl, or ethyl; a is 0-20; b is 0-10; c is 1-16; d is 0-10; e is 0-10; and f is 2-10.

Inventors:
KITAMURA TAKUMI (JP)
SHIMABAYASHI KATSUOMI (JP)
Application Number:
PCT/JP2016/053567
Publication Date:
September 01, 2016
Filing Date:
February 05, 2016
Export Citation:
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Assignee:
SAN NOPCO KK (JP)
International Classes:
B01D19/04; C08G65/329; C09D7/12; C09D201/00
Foreign References:
JPH11500055A1999-01-06
JPH09253405A1997-09-30
JPS63132935A1988-06-04
JP2010100706A2010-05-06
JP2011105786A2011-06-02
JP2010280765A2010-12-16
JP2009096942A2009-05-07
US6472352B12002-10-29
JPH10323505A1998-12-08
Attorney, Agent or Firm:
SAKURAI, KEN-ICHI (JP)
Ken-ichi Sakurai (JP)
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