发明名称 Defoaming compositions
摘要 <p>Composition (A) comprises at least an organosilicon compound (I); an additive (filler particle or organopolysiloxane resin (II)); and optionally organosilicon compound (III). Composition (A) comprises: at least an organosilicon compound (I) of formula R a(R 1>O) bR 2>cSiO (4-a-b-c)/2; an additive (filler particle and/or organopolysiloxane resin (II) of formula R 3>d(R 4>O) eSiO (4-d-e)/2)); and optionally organosilicon compound (III) of formula R 5>g(R 6>O) hSiO (4-g-h)/2. R, R 5>H, univalent, optionally substituted silicon carbide (SiC)-bounded aromatic or linear aliphatic hydrocarbon; R 1>, R 3>, R 4>, R 6>H or univalent, optionally substituted hydrocarbon; R 2>univalent, SiC-bounded, optionally substituted aliphatic cyclic or aliphatic branched hydrocarbon with at least 3C; a, b, d, e, g, h : 0-3; and c : 0-2 (where in formula (I): the sum of a+b+c is less than or equal to 3; c is different from 0 and at least 50% of all units of (I), the sum of a+b+c is same as 2; in formula (II): the sum of d+e is less than or equal to 3; and in at least 50% of all units of (II), the sum of d+e is same as 2; and in formula (III): the sum of g+h is less than or equal to 3; and in at least 50% of all units of (III), the sum of g+h is same as 2). Independent claims are also included for: (1) a washing- and cleaning agent comprising (A); and (2) a method of antifoaming- and/or preventing foam in media comprising adding (A) to the medium.</p>
申请公布号 EP1618936(B1) 申请公布日期 2010.08.11
申请号 EP20050013000 申请日期 2005.06.16
申请人 WACKER CHEMIE AG 发明人 RAUTSCHEK, HOLGER, DR.;HERZIG, CHRISTIAN, DR.;BECKER, RICHARD, DR.
分类号 B01D19/04 主分类号 B01D19/04
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