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    • 1. 发明公开
    • Foam control agents for silicone surfactants in agriculture
    • 农业中用于有机硅表面活性剂的泡沫控制剂
    • EP0791384A2
    • 1997-08-27
    • EP97102887.3
    • 1997-02-21
    • Policello, George A.Murphy, Gerald J.
    • Policello, George A.Murphy, Gerald J.
    • B01D19/04
    • B01D19/0409
    • The present invention teaches silicone polyether copolymers with a low degree of polymerization (3 to 4 Si units) provide control for foams generated by organosilicone based surfactants in water without the need for an additional antifoam component. The copolymer foam control agent is a compound of the formula

              (CH 3 ) 3 SiO[SiO(CH 3 ) 2 ] X [SiOCH 3 R 1 ] Y Si(CH 3 ) 3

      wherein X + Y = 1 to 2, Y ≥ 1, R 1 is an alkyleneoxide group of the formula C a H 2a O(C 3 H 6 O) z R 2 wherein a = 3 to 4, z is 1 to 15, R 2 is hydrogen, a hydrocarbon radical of 1 to 4 carbons or acetyl.
      This invention provides compositions for use in agricultural formulations that give improved foam control for foams generated from organosilicone surfactants in aqueous systems. The copolymer foam control agent is soluble in a surfactant matrix comprised of an organosilicone surfactant alone or in mixtures with short chain conventional surfactants. This invention provides clear, homogeneous, low foaming agricultural formulations having of a water insoluble copolymer foam control agent, and a water soluble or dispersible trisiloxane or tetrasiloxane alkoxylates when said formulation is used in an aqueous mixture.
    • 本发明教导了具有低聚合度(3至4个Si单元)的硅氧烷聚醚共聚物提供了在水中由有机基硅氧烷基表面活性剂产生的泡沫的控制,而不需要额外的消泡剂组分。 共聚物泡沫控制剂是式(CH3)3SiO [SiO(CH3)2] X [SiOCH3R1] YSi(CH3)3的化合物,其中X + Y = 1至2,Y≥1,R1是 式CaH2aO(C3H6O)zR2其中a = 3至4,z为1至15,R2为氢,1至4个碳的烃基或乙酰基。 本发明提供了用于农业制剂的组合物,该组合物给予水性体系中由有机硅氧烷表面活性剂产生的泡沫的改进泡沫控制。 共聚物泡沫控制剂可溶于由单独的有机硅氧烷表面活性剂组成或与短链常规表面活性剂混合的表面活性剂基质中。 当所述制剂用于含水混合物中时,本发明提供了具有水不溶性共聚物泡沫控制剂和水溶性或水分散性三硅氧烷或四硅氧烷烷氧基化物的透明,均匀,低起泡的农业制剂。
    • 5. 发明专利
    • FOAM CONTROL AGENTS FOR SILICONE SURFACTANTS IN AGRICULTURE
    • CA2198059C
    • 2003-05-13
    • CA2198059
    • 1997-02-20
    • MURPHY GERALD JPOLICELLO GEORGE A
    • MURPHY GERALD JPOLICELLO GEORGE A
    • B01D19/04A01N25/30
    • The present invention teaches silicone polyether copolymers with a low degre e of polymerization (3 to 4 Si units) provide control for foams generated by orga nosilicone based surfactants in water without the need for an additional antifoam component. The copolymer foam control agent is a compound of the formula (CH3)3SiO[SiO(CH3)1]x[SiOCH3R1]ySi(CH)3 wherein X + Y = 1 to 2, Y ~ 1, R1 is an alkyleneoxide group of the formula C aH2aO(C3H6O)zR2 wherein a = 3 to 4, z is 1 to 15, R2 is hydrogen, a hydrocarbon radical of 1 to 4 carbons or acetyl. This invention provides compositions for use in agricultural formulations th at give improved foam control for foams generated from organosilicone surfactants in aqueous systems. The copolymer foam control agent is soluble in a surfactant matrix comprised of all organosilicone surfactant alone or in mixtures with short chain conventional surfactants. This invention provides clear, homogeneous. low foaming agricultural formulations having of a water insoluble copolymer foam control agent, and a water soluble or dispersible t risiloxane or tetrasiloxane alkoxylates when said formulation is used in an aqueous mixtur e.
    • 10. 发明申请
    • HYDROLYSIS RESISTANT ORGANOMODIFIED DISILOXANE SURFACTANTS
    • 水解抗坏血酸有机反应性表面活性剂
    • WO2007044691A1
    • 2007-04-19
    • PCT/US2006/039445
    • 2006-10-10
    • GENERAL ELECTRIC COMPANYLEATHERMAN, Mark, D.POLICELLO, George, A.RAJARAMAN, Suresh, K.
    • LEATHERMAN, Mark, D.POLICELLO, George, A.RAJARAMAN, Suresh, K.
    • C07F7/08A61K8/58A61K8/898
    • C07F7/0849A61K8/891A61Q15/00A61Q19/00
    • Disiloxane surfactant compositions comprising a silicone composition comprising a silicone having the formula: MM' where M = R 1 R 2 R 3 SiO 1/2 ; M' = R 4 R 5 R 6 SiO 1/2 ; with R selected from the group consisting of branched monovalent hydrocarbon radical of from 3 to 6 carbon atoms and R 7 , where R 7 has the formula: R 8 R 9 R 10 SiR 12 with R 8 , R 9 , and R 10 each independently selected from the group of monovalent hydrocarbon radicals having from 1 to 6 carbon atoms and monovalent aryl or alkaryl hydrocarbon radicals having from 6 to 13 carbon atoms and R 12 is a divalent hydrocarbon radical having from 1 to 3 carbon atoms, R 2 and R 3 are each independently selected from the group of from 1 to 6 carbon atom monovalent hydrocarbon radicals or R 1 , with R 4 an alkylpolyalkyleneoxide of the general formula: R 13 (C 2 H 4 O) a (C 3 H 6 O) b (C 4 H 8 O) c R 14 where R 13 is a divalent linear or branched hydrocarbon radical having the structure: -CH 2 -CH(R 15 )(R 16 ) d O- where R 15 is H or methyl; R 16 is a divalent alkyl radical of 1 to 6 carbons where the subscript d may be O or 1 ; R 14 is selected from the group consisting of H, monovalent hydrocarbon radicals of from 1 to 6 carbon atoms and acetyl where the subscripts a, b and c are zero or positive and satisfy the following relationships: 2 2, and R 5 and R 6 are each independently selected from the group of monovalent hydrocarbon radicals having from 1 to 6 carbon atoms or R 4 that exhibit resistance to hydrolysis over a wide pH range.
    • 包含硅氧烷组合物的二硅氧烷表面活性剂组合物,其包含具有下式的MM的硅氧烷:其中M = R 1,R 2,R 3, 1/2 ; M'= R S S 5 其中R选自3至6个碳原子的支化单价烃基和R 7,其中R 7具有下式:R 8, 其中R 1,R 2,R 3,R 9,R 12,