DEFOAMING AGENT

WIPO Patent Application WO/2011/043299

A2

Disclosed is a defoaming agent which exhibits excellent defoaming properties (initial defoaming and foam control). The defoaming agent is characterised by: containing a bisamide (A) dispersed in a polyether compound (B); the bisamide (A) content being 0.01-10 % by weight and the polyether compound (B) content being 90-99.99 % by weight when expressed in terms of the overall weight of the bisamide (A) and the polyether compound (B); and the mode of the volume-based particle diameter distribution of the bisamide (A) being 0.1-5 μm. The bisamide (A) is preferably a bisamide represented by general formula (1), where R1 is an alkyl, alkenyl, hydroxyalkyl or hydroxyalkenyl group and has a carbon number of 10-22, and t is an integer from 1-6: R1CONH(CH2)t-NHCOR1.

JP2000198997	FINELY PARTICULATE FOAM CONTROL AGENT
WO/2018/180211	METHOD FOR PRODUCING ZEOLITE MEMBRANE STRUCTURE
JPH07204409	PARTICULATE FOAM CONTROL AGENT

MATSUMURA YOHEI (JP)
IZUMI YOSHIHIDE (JP)
HISADA NOBUO (JP)

PCT/JP2010/067374

April 14, 2011

October 04, 2010

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SAN NOPCO KK (JP)
MATSUMURA YOHEI (JP)
IZUMI YOSHIHIDE (JP)
HISADA NOBUO (JP)

B01D19/04; C09D7/63

JPH0199619A	1989-04-18
JPH04132705A	1992-05-07
JP2009007506A	2009-01-15
JPH0762212A	1995-03-07
JPS6358610B2	1988-11-16
JPH0859770A	1996-03-05
JP2000344881A	2000-12-12

"Paint Raw Material Manual", JAPAN PAINT MANUFACTURERS ASSOCIATION, pages: 333 - 447
See also references of EP 2486967A4

SAKURAI, KEN-ICHI (JP)
Ken-ichi Sakurai (JP)

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