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    • 5. 发明申请
    • DISILOXANE COMPOUNDS AND THEIR USES
    • 邻苯二甲酸酯化合物及其用途
    • WO2014071026A8
    • 2015-05-14
    • PCT/US2013067786
    • 2013-10-31
    • DOW CORNING
    • CHAO SUNG-HSUENHILBERER ALAINKLEYER DON LEEZIMMERMAN KENNETHZIOLKOWSKI NICOLAS
    • C07F7/18C04B28/04C04B40/00C04B40/06
    • B01F17/0071C04B16/00C04B24/42C04B28/02C04B2103/40C04B2103/65C04B2111/27C07F7/0852C07F7/0867C07F7/0879C04B40/0608
    • A disiloxane having the following structure. Formula (I), Where R1, R3, R4 and R5 are each independently selected from monovalent hydrocarbon radicals having 1 to 4 carbon atoms, aryl, and a hydrocarbon group of 6 to 20 carbon atoms containing an aryl group; R2 is selected from a branched or linear hydrocarbon group of 7 to 15 carbons, a substituted branched or substituted linear hydrocarbon group of 7 to 15 carbons an optionally substituted aryl group, and an alkyl hydrocarbon chain of 4 to 9 carbons having one or more aryl substituents of 6 to 20 carbon atoms or a branched or linear hydrocarbon group of 1 to 6 carbons when R1 and R3 are independently an aryl group, or a hydrocarbon group of 6 to 20 carbon atoms containing an aryl group; Z is a linear or branched divalent hydrocarbon radical of from 2 to 10 (inclusive) carbon atoms and R8 is selected from OH, H, monovalent hydrocarbon radicals of from 1 to 6 carbon atoms and acetyl and each of the subscripts a, b and c are zero or positive provided that a + b + c ≥ 1.
    • 具有以下结构的二硅氧烷。 式(I)其中R 1,R 3,R 4和R 5各自独立地选自具有1至4个碳原子的一价烃基,芳基和含有芳基的6至20个碳原子的烃基; R 2选自7至15个碳的支链或直链烃基,7至15个碳的取代的支链或取代的直链烃基,任选取代的芳基和具有一个或多个芳基的4至9个碳的烷基烃链 当R 1和R 3独立地为芳基或含有芳基的6至20个碳原子的烃基时,具有6至20个碳原子的取代基或1至6个碳的支链或直链烃基; Z是2〜10个(含)碳原子的直链或支链二价烃基,R 8选自OH,H,1〜6个碳原子的一价烃基,乙酰基和下标a,b和c 如果a + b + c≥1,则为零或正数。
    • 10. 发明专利
    • BRPI0712727A2
    • 2012-12-11
    • BRPI0712727
    • 2007-05-17
    • DOW CORNING
    • HILBERER ALAINNAVEL EMILIEVERMEIRE LAURENT
    • B01D19/04D21H21/12
    • A process for making a foam control composition comprising a cross-linked polyorganosiloxane in which is dispersed a filler, with hydrophobic surface, comprising step (A) mixing (i) a finely divided filler, (ii) a polyorganosiloxane having on at least two reactive substituents, for example on average two reactive substituents, and (iii) a polyorganosiloxane having at least three reactive substituents, capable of addition reaction via hydrosilylation; (B) hydrosilylation reaction of components (ii) and (iii) until the mixture at least partially gels, followed by applying shearing forces to this at least partially gelled mixture. Optionally step (A) comprises a diluent or solvent and after step (B) an emulsification step is carried out to make the foam control composition into an O/W emulsion. Also a process for controlling foam in an aqueous environment by using a foam control composition according to the invention, selected from inks, coatings, paints, detergents, black liquor of from those encountered during pulp and paper manufacture, waste water treatment, textile dyeing processes or the scrubbing of natural gas.