[EN] AQUEOUS SILICONE RESIN EMULSION AND ITS APPLICATION<br/>[FR] ÉMULSION DE RÉSINE SILICONE AQUEUSE ET SON APPLICATION
申请人:WACKER CHEMIE AG
公开号:WO2014060350A1
公开(公告)日:2014-04-24
The present invention relates to an aqueous silicone resin latex, which comprises a silicone resin and an alcohol ester, wherein said silicone resin has a melting point above 30°C and a structural unit of general formula Ra (R1O) bSiO(4- (a+b) ) /2, wherein R is C1-C14 hydrocarbyl, R1 is C1-C4 alkyl or hydrogen, a is 0- 3, preferably 0.75-1.5, and more preferably 0.9-1.1; and b is 0-3, preferably 0.01-1.1, and more preferably 0.01-0.07; and said alcohol ester has a structure as defined in the specification; and preferably the alcohol ester has a boiling point above 250°C. The present invention also relates to the use of said aqueous silicone resin latex in building coatings and an aqueous coating comprising said aqueous silicone resin latex.