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    • 4. 发明授权
    • Biodegradable polyorganosiloxane demulsifier composition and method for making the same
    • 可生物降解聚有机硅氧烷破乳剂组合物及其制备方法
    • US08779012B2
    • 2014-07-15
    • US13165085
    • 2011-06-21
    • Monjit PhukanAnubhav SaxenaMayank Kumar DubeyAntonio PalumboKalman Koczo
    • Monjit PhukanAnubhav SaxenaMayank Kumar DubeyAntonio PalumboKalman Koczo
    • B01D17/00
    • C08L83/12B01D17/047C08G77/46C10G33/04
    • There is provided herein a demulsifying composition comprising at least one polyorganosiloxane compound having the general formula (I): M1aM2bD1cD2dT1eT2fQg  (I) wherein: M1=R1R2R3SiO1/2, M2=R4R5RLSiO1/2, D1=R6R7SiO2/2, D2=R8RLSiO2/2, T1=R9SiO3/2, T2=RLSiO3/2, Q=SiO4/2, where R1, R2, R3, R4, R5, R6, R7, R8 and R9 are each independently chosen from monovalent alkyl, aryl or aralkyl hydrocarbon radicals, or chosen from RP; RP is a monovalent polyether radical independently of the general formula (II): —(CnH2n)—O—(C2H4O)o—(C3H6O)p—(C4H8O)q—R10  (II) RL is a monovalent radical independently chosen from the general formula (III): —X—O—(C2H4O)r—(C3H6O)s—(C4H8O)t—{C(O)CuH2uO}v—R11  (III) There is also provided herein a method for separating emulsions comprising combining the components of the demulsification composition into a mixture; allowing the mixture to separate into at least two phases and separating said at least two phases from each other.
    • 本文提供了包含至少一种具有通式(I)的聚有机硅氧烷化合物的破乳组合物:M1aM2bD1cD2dT1eT2fQg(I)其中:M1 = R1R2R3SiO1 / 2,M2 = R4R5RLSiO1 / 2,D1 = R6R7SiO2 / 2,D2 = R8RLSiO2 / 2 ,T1 = R9SiO3 / 2,T2 = RLSiO3 / 2,Q = SiO4 / 2,其中R1,R2,R3,R4,R5,R6,R7,R8和R9各自独立地选自一价烷基,芳基或芳烷基烃基 ,或从RP中选择; RP是独立于通式(II)的单价聚醚基: - (C n H 2n)-O-(C 2 H 4 O)O-(C 3 H 6 O)p - (C 4 H 8 O)q -R 10(II)RL是独立地选自 通式(III):-X-O-(C 2 H 4 O)r - (C 3 H 6 O)s - (C 4 H 8 O)t- {C(O)Cu H 2u O} v-R 11(III)本文还提供了分离乳液的方法, 将破乳组合物的组分混合成混合物; 允许混合物分离成至少两相,并将所述至少两相彼此分离。