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    • 1. 发明公开
    • 디젤 연료 탈포제 조성물
    • 柴油燃料抗菌组合物
    • KR1020000048119A
    • 2000-07-25
    • KR1019990057377
    • 1999-12-14
    • 제너럴 일렉트릭 캄파니
    • 그라보우스키,보씨에흐하우브릭스,롤프
    • C10L1/28
    • B01D17/047B01D19/0409B01D19/0413C08G77/46C10G33/04C10L1/285C10M155/02C10M171/004C10M2229/045C10M2229/046C10M2229/047C10M2229/048C10M2229/05C10M2229/052
    • PURPOSE: Prepared is a defoamer system for diesel fuel which comprises a novel, synergistic blend of silicone polymers and/or a silicone polymer having a novel blend of organic substituents thereon. CONSTITUTION: A diesel fuel defoamer composition comprising: i) a mixture of Silicones A) and B) or ii) a Silicone C) wherein Silicone A is a polyhydric silicone of the formula: where the R groups are independently R¬1, R¬2, R¬3, R¬4 or R¬5; R¬1 is an aromatic or saturated aliphatic hydrocarbon group; R¬2 is a polyhydric organic group; R¬3 is a polyether group comprising about 50% or more ethylene oxide units and having a molecular weight of up to 1500; R¬4 is an organic phenolic group; R¬5 is a group as defined for R¬2 except that the hydroxyl groups thereof have been reacted to form diester, diether, acetal or ketal groups; w = 2+y+2z; y = 0-2; z = 0-2; y+z = 0-2; w+x+y+z = 20-60; the ratio R¬1/R¬2, corresponding to the number of R¬1 groups divided by the number of R¬2 groups, is 3-19; and the ratio (R¬3+R¬4+R¬5)/R¬2, corresponding to the total number of R¬3, R¬4 and R¬5 groups divided by the number of R¬2 groups, is 0-2, Silicone B is a polyether containing silicone of the formula: where the R* groups are independently R¬1 or R¬3; R¬1 and R¬3 are as previously defined; a = 2+c+2d; c = 0-2; d = 0-2; c+d = 0-2; a+b+c+d = 15-50; and the ratio R¬1/R¬3, corresponding to the number of R¬1 groups divided byte number of R¬3 groups, is 3-19, Silicone C is a polyhydric/polyether/phenolic silicone of the formula: where the R groups, w, x, y, and z are as previously defined, provided that R¬2 is a saturated polyhydric group; the ratio R¬3/R¬2, corresponding to the number of R¬3 groups divided by the number of R¬2 groups, is a number greater than 0; and the ratio R¬4/R¬2, corresponding to the number of R¬4 groups divided by the number of R¬2 groups, is a number greater than 0. 1.
    • 目的:制备柴油燃料的消泡剂系统,其包括硅氧烷聚合物和/或具有其上有机取代基的新共混物的硅氧烷聚合物的新型协同混合物。 构成:一种柴油燃料消泡剂组合物,其包含:i)硅氧烷A)和B)或ii)硅氧烷C)的混合物,其中硅氧烷A是下式的多羟基硅氧烷:其中R基团独立地为R 1,R 3, 2,R 3,R 4或R 5; R 1是芳族或饱和脂族烃基; R 2是多元有机基团; R 3是包含约50%或更多环氧乙烷单元且分子量至多为1500的聚醚基团; R 4是有机酚基; R 5为R 2定义的基团,除了其羟基已经反应形成二酯,二醚,缩醛或缩酮基团; w = 2 + y + 2z; y = 0-2; z = 0-2; y + z = 0-2; w + x + y + z = 20-60; 对应于R_1组数除以R_2组数的比例R 1 / R 2为3-19; 并且对应于R 3,R 4和R 5基团的总数除以R 2基团的数目的比率(R 3 + R 4 + R 5)/ R 2 0-2,硅氧烷B是含有下式的聚醚的硅氧烷:其中R *基团独立地为R 1或R 3; R 1和R 3如前所定义; a = 2 + c + 2d; c = 0-2; d = 0-2; c + d = 0-2; a + b + c + d = 15-50; 并且对应于R-1组的数目除以R 3组的字节数的比例R 1 / R 3是3-19,硅氧烷C是下式的多羟基/聚醚/酚硅氧烷:其中 R基团,w,x,y和z如前所定义,条件是R 2是饱和多元基团; 对应于R 3 3个数除以R 2基团数的比例R 3 / R 2是大于0的数; 并且对应于R 4组数除以R 2基团数的比例R 4 / R 2是大于0.1的数。