DEFOAMER OIL COMPOUND, PRODUCTION METHOD THEREFOR, AND DEFOAMER COMPOSITION

Title:

DEFOAMER OIL COMPOUND, PRODUCTION METHOD THEREFOR, AND DEFOAMER COMPOSITION

Document Type and Number:

WIPO Patent Application WO/2016/021427

Kind Code:

A1

Abstract:

The present invention relates to a defoamer oil compound that contains an organopolysiloxane (A), a fine silica powder (B), and a group (C) that is represented by the organopolysiloxanes of formulas (I) and/or (II) (in the formulas, c, d, and e are each an integer of 0 or more, and at least one of X1 to X3 is the group represented by formula (i)). The component (C) is used as a surface treatment agent for the component (B). The present invention makes it possible to obtain a silicone-based defoamer composition that imparts good initial defoaming properties even in an alkaline foaming liquid, that exhibits very little loss in performance over time, and that has excellent defoaming performance.

Inventors:

KOBAYASHI AKIHIRO (JP)
MATSUI CHINAMI (JP)
SAKURAI TAKATO (JP)
AOKI SHUNJI (JP)

Application Number:

PCT/JP2015/071126

Publication Date:

February 11, 2016

Filing Date:

July 24, 2015

Export Citation:

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Assignee:

SHINETSU CHEMICAL CO (JP)

International Classes:

B01D19/04; C08K3/36; C08L83/04

Foreign References:

JP2006199962A	2006-08-03
JP2006037104A	2006-02-09
JPH1052601A	1998-02-24
JP2013215633A	2013-10-24

Other References: