Title:
ANTIFOAMING AGENT FOR HYDRAULIC COMPOSITION, ADDITIVE FOR HYDRAULIC COMPOSITION, AND HYDRAULIC COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2019/229889
Kind Code:
A1
Abstract:
An antifoaming agent for hydraulic compositions which is a polyoxyalkylene-based compound represented by general formula (1), the compound satisfying a first requirement, which is 0.02≤n/(n+m)<0.16, and a second requirement, which is 6≤(n+m)≤100. General formula (1): RO-[(EO)n/(AO)m]-H (wherein R represents a C8-30 alkyl or alkenyl group and has a linear or branched structure; EO represents an oxyethylene group; AO represents a C3-18 oxyalkylene group; n and m, each indicating the average number of moles added, are 1 or larger each; and [(EO)n/(AO)m] shows that n mole(s) of EO and m mole(s) of AO have been bonded by block addition or random addition.)
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Inventors:
NAITO YUKI (JP)
FURUTA AKIHIRO (JP)
NAKAJIMA KOHEI (JP)
SAWADA YOU (JP)
OKADA KAZUHISA (JP)
FURUTA AKIHIRO (JP)
NAKAJIMA KOHEI (JP)
SAWADA YOU (JP)
OKADA KAZUHISA (JP)
Application Number:
PCT/JP2018/020818
Publication Date:
December 05, 2019
Filing Date:
May 30, 2018
Export Citation:
Assignee:
TAKEMOTO OIL & FAT CO LTD (JP)
International Classes:
C04B24/32; C04B28/02; C04B103/50
Foreign References:
| JP2016050124A | 2016-04-11 | |||
| JP2004091288A | 2004-03-25 | |||
| JPH10226550A | 1998-08-25 | |||
| JP2003226565A | 2003-08-12 | |||
| JP2014240378A | 2014-12-25 | |||
| JP2006176394A | 2006-07-06 | |||
| JP2000254409A | 2000-09-19 |
Attorney, Agent or Firm:
WATANABE Kazuhira (JP)
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