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    • 23. 发明申请
    • PROCESS FOR EMULSION POLYMERIZATION
    • 乳液聚合方法
    • WO2014001077A1
    • 2014-01-03
    • PCT/EP2013/061964
    • 2013-06-11
    • BASF SEBASF SCHWEIZ AG
    • WEIDL, Christian, HubertKLAGGE, RonaldHELD, UweREINOSO GARCIA, MartaMAUSBERG, Thomas
    • C08F2/24C11D1/825C08F2/30
    • C08F2/44B01F17/0021C08F2/24C08F2/30
    • Process for polymerizing at least one monomer under emulsion polymerization conditions, characterized in that the (co)monomers are selected from vinyl aromatic compounds, ethylenically unsaturated carboxylic acids with 3 to 10 carbon atoms, C 1 -C 10 -alkyl esters of ethylenically unsaturated carboxylic acids with 3 to 10 carbon atoms, 1,3-butadiene, and a-olefins bearing in the range of from 10 to 250 carbon atoms per molecule, in pure form or as mixture with isomers, and using a surfactant mixture comprising (A) an alkoxylation product of at least one alkanol (a), characterized in that alkanol (a) has 6 to 12 carbon atoms per molecule and the average number of alkylene oxide units per molecule in alkoxylation product (A) assumes a value in the range of from 35 to 55, the alkylene oxide units are selected from C 2 -C 10 -alkylene oxide units and alkanol (a) has an average degree of branching of at least 1; and (B) an alkoxylation product of at least one alkanol (b), characterized in that alkanol (b) has 13 to 19 carbon atoms per molecule and the average number of alkylene oxide units per molecule in alkoxylation product (B) assumes a value in the range of from 35 to 55, the alkylene oxide units are selected from C 2 -C 10 -alkylene oxide units, or (C) an alkoxylation product of at least one linear C 12 -C 22 -alkyl alcohol (c), characterized in that the average number of alkylene oxide units per molecule in alkoxylation product (C) assumes a value in the range of from 35 to 55, the alkylene oxide units are selected from C 2 -C 10 -alkylene oxide units.
    • 在乳液聚合条件下聚合至少一种单体的方法,其特征在于(共)单体选自乙烯基芳族化合物,具有3-10个碳原子的烯属不饱和羧酸,烯属不饱和羧酸的C 1 -C 10烷基酯与 3至10个碳原子,1,3-丁二烯和每分子具有10至250个碳原子的α-烯烃,以纯形式或与异构体混合,并使用表面活性剂混合物,其包含(A)烷氧基化 至少一种链烷醇(a)的产物,其特征在于链烷醇(a)每分子具有6至12个碳原子,并且烷氧基化产物(A)中每分子的平均氧化烯单位数假定为35 至55,烯化氧单元选自C 2 -C 10 - 氧化烯单元,链烷醇(a)的平均支化度至少为1; 和(B)至少一种链烷醇(b)的烷氧基​​化产物,其特征在于链烷醇(b)每分子具有13至19个碳原子,并且烷氧基化产物(B)中每分子的平均氧化烯单元数呈现值 在35至55的范围内,烯化氧单元选自C 2 -C 10 - 氧化烯单元,或(C)至少一种直链C 12 -C 22烷基醇(c)的烷氧基​​化产物,其特征在于, 烷氧基化产物(C)中每分子的平均氧化烯单元数为35至55的范围,烯化氧单元选自C 2 -C 10 - 氧化烯单元。
    • 30. 发明申请
    • PROCESS FOR MAKING MIXTURES OF ENANTIOMERS, AND MIXTURES OF ENANTIOMERS
    • 制造增效剂混合物的方法和制剂的混合物
    • WO2016142228A1
    • 2016-09-15
    • PCT/EP2016/054375
    • 2016-03-02
    • BASF SE
    • FRANZKE, ConstanzeREINOSO GARCIA, MartaBAUMANN, RobertGREINDL, Thomas
    • C07C229/16C07C229/24C11D3/33
    • C11D3/33C07C227/18C07C253/00C07C253/06C07C255/25C07C229/16C07C229/24
    • Process for preparation of a mixture of methyl glycine diacetic acid (MGDA) or its respective mono-, di-, trialkali metal salt or its respective mono-, di- or tri-ammonium salt or mixtures thereof, and glutamic acid diacetic acid (GLDA) or its respective mono-, di-, tri-, or tetra-alkali metal or mono-, di-, tri- or tetra-ammonium salt or mixtures thereof, wherein said process com- prises the steps of: (a) dissolution in water of (a1) alanine in its L- or D-enantiomeric form or its respective monoalkali metal salt or mixtures thereof, and (a2) glutamic acid as L- or D-enantiomer or its respective mono-, or dialkali metal or mixtures thereof, wherein the molar ratio of alanine to glutamic acid is in the range of from1:9 to 9:1, (b) converting the mixture obtained in step (a) with formaldehyde and hydrocyanic acid or alkali metal cyanide to the corresponding dinitriles, (c) saponification of the dinitriles resulting from step (b).
    • 制备甲基甘氨酸二乙酸(MGDA)或其相应的单,二,三碱金属盐或其相应的单 - ,二 - 或三 - 铵盐或其混合物和谷氨酸二乙酸(GLDA)的混合物的方法 )或其相应的单 - ,二 - ,三 - 或四 - 碱金属或单 - ,二 - ,三 - 或四 - 铵盐或其混合物,其中所述方法包括以下步骤:(a)溶解 (a1)丙氨酸以其L-或D-对映体形式或其相应的单碱金属盐或其混合物的水,和(a2)谷氨酸作为L-或D-对映异构体或其相应的单或二碱金属或混合物 其中丙氨酸与谷氨酸的摩尔比在1:9至9:1的范围内,(b)将甲醛和氢氰酸或碱金属氰化物转化为相应的二腈,步骤(a)中得到的混合物与甲醛和氢氰酸或碱金属氰化物反应, (c)由步骤(b)产生的二腈的皂化。