Title:
DEFOAMING AGENT AND LUBRICATING OIL COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2017/030201
Kind Code:
A1
Abstract:
A defoaming agent containing a polymer including a repeated unit indicated in general formula (1). (In general formula (1): X1 is a repeated unit obtained by polymerization of an ethylenic unsaturated group; Y1 is side chain having a straight-chain or branched polysiloxane structure having a degree of polymerization of 5-300, including a repeated unit, and indicated by general formula (2); and Z1 is a linking group that links the repeated unit X1 and the side chain Y1.) (In general formula (2), R1 and R2 each independently indicate a C1-18 organic group.)
Inventors:
TAKAGI AKIRA (JP)
MATSUKI SHINGO (JP)
MATSUKI SHINGO (JP)
Application Number:
PCT/JP2016/074295
Publication Date:
February 23, 2017
Filing Date:
August 19, 2016
Export Citation:
Assignee:
JX NIPPON OIL & ENERGY CORP (JP)
International Classes:
B01D19/04; C08F299/08; C08L55/00; C10M155/02; C10M169/04; C10M145/14; C10M147/00; C10N20/04; C10N30/00; C10N30/18; C10N40/04; C10N40/08; C10N40/12; C10N40/25; C10N40/30
Foreign References:
| US4906403A | 1990-03-06 | |||
| CN102020769A | 2011-04-20 | |||
| JPH05228306A | 1993-09-07 |
Other References:
See also references of EP 3338869A4
Attorney, Agent or Firm:
YAMAMOTO, Noriaki et al. (JP)
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