发明名称 Antifoaming compositions for building material mixtures
摘要 <p>A composition comprises siloxane compound (I) and polycarboxylate-based plasticizer and/or lignin sulfonate, and melamine or naphthalene. A composition comprises siloxane compound of formula: M a 1M 1> a 2M 2> a 3M 3> a 4D' b 1D 1> b 2D 2> b 3D 3> b 4T c 1T 1> c 2T 2> c 3T 3> c 4Q d 1 (I) and polycarboxylate-based plasticizer and/or lignin sulfonate, and melamine or naphthalene. a1,a3 : 0-32; a2,a4,b2,c2-c4 : 0-10; b1 : 1-600; b3 : 0-80; b4 : 0-20; c1 : 0-30; d1 : 0-15; a1+a2+a3+a4 : more than 3; a3+b3+c3 : 1 or more; c1+c2+c3+c4 : more than 1; M : [R 1> 3SiO 1 / 2]; M 1>[R 2>R 1> 2SiO 1 / 2]; M 2>[R 3>R 1> 2SiO 1 / 2]; M 3>[R 4>R 1>SiO 1 / 2]; D' : [R 1> 2SiO 2 / 2]; D 1>[R 2> 1R 1> 1SiO 2 / 2]; D 2>[R 3> 1R 1> 1SiO 2 / 2]; D 3>[R 4> 1R 1> 1SiO 2 / 2]; T : [R 1>SiO 3 / 2]; T 1>[R 2>SiO 3 / 2]; T 2>[R 3>SiO 3 / 2]; T 3>[R 4>SiO 3 / 2]; Q : [SiO 4 / 2]; R 1>linear, cyclic or branched aliphatic or aromatic, saturated or unsaturated 1-20C hydrocarbyl; R 2>H, alkoxy, carboxy, hydroxy or sulfonic acid ester; R 3>CH 2-CH 2-CH 2-O-(CH 2CH 2O) x(CH 2-C(R') 2O) y(SO) zR"CH 2-CH 2-O-(CH 2CH 2O) x(CH 2-C(R') 2O) yR"; x-z : 0-100; x : equal to or more than y; R' : H or saturated or unsaturated optionally substituted 1-12C aryl comprising hetero atoms, preferably alkyl, aryl, haloalkyl or substituted haloaryl, more preferably parachlorophenyl, -Cl or -CH 2CH 2=CH-CH 2-O-CH 2-; R" : H or 1-4C alkyl, -C(O)-R"'; R"' : alkyl, -CH 2-O-R', alkylaryl, preferably benzyl, -C(O)NH-R', -C(O)O-R' or SO-CH 2-O-styrene-CH(C 6H 5);and R 4>linear, branched or cyclic, saturated or unsaturated, aryl optionally substituted by heteroatom.</p>
申请公布号 EP2607429(A1) 申请公布日期 2013.06.26
申请号 EP20120195982 申请日期 2012.12.07
申请人 EVONIK INDUSTRIES AG 发明人 HENNING, FRAUKE;REINSCHMIDT, ANKE;SCHEUERMANN, RALPH;BAYNE, GEORGE-HANS;KLEIN, KERSTIN;ROOS, MARKUS
分类号 C08L83/12;C04B24/18;C04B24/22;C04B24/26;C04B24/42 主分类号 C08L83/12
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