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    METHOD FOR PRODUCING ALKYLPOLYALKYLENE GLYCOL ESTERS OF MONOETHYLENICALLY UNSATURATED CARBOXYLIC ACIDS
    4.
    发明申请
    METHOD FOR PRODUCING ALKYLPOLYALKYLENE GLYCOL ESTERS OF MONOETHYLENICALLY UNSATURATED CARBOXYLIC ACIDS 审中-公开
    用于生产ALKYLPOLYALKYLENGLYCOLESTERN单烯属不饱和羧酸

    公开(公告)号：WO0250160A3

    公开(公告)日：2002-08-29

    申请号：PCT/EP0114784

    申请日：2001-12-14

    Applicant: BASF AG ,  KRONER MATTHIAS ,  PFISTER JUERGEN ,  FAUL DIETER ,  RAUBENHEIMER HANS-JUERGEN ,  BUECHNER KARL-HEINZ

    Inventor： KRONER MATTHIAS ,  PFISTER JUERGEN ,  FAUL DIETER ,  RAUBENHEIMER HANS-JUERGEN ,  BUECHNER KARL-HEINZ

    IPC: C08G65/48 ,  C08G65/332 ,  C08G65/32 ,  C07C67/08 ,  C07C69/54

    CPC classification number: C08G65/3322

    Abstract: The invention relates to a method for producing alkylpolyalkylene glycol esters of monoethylenically unsaturated carboxylic acids by esterifying (a) monoethylenically unsaturated carboxylic acids with (b) polyalkylene glycols which are closed on one side by terminal groups, in a substance in the presence of polymerisation inhibitors and esterification catalysts at temperatures of 160 DEG C at the most. The esterification is first carried out at atmospheric pressure or at pressures of up to 50 bar, the water produced during the esterification is then distilled from the reaction mixture at a pressure of between 10 and 500 mbar, and the esterification is then continued at atmospheric pressure or at pressures of up to 50 bar.

    Abstract translation: 一种用于通过在聚合抑制剂和酯化催化剂在温度不超过160℃，其中所述酯化首先在大气压下进行的情况下进行酯化的（a）单烯键式不饱和羧酸与（b）中的聚亚烷基二醇，其封端的一侧上，在物质制备Alkylpolyalkylenglykolestern单烯属不饱和羧酸的过程 或加压下进行达50巴，然后蒸馏所得水在酯化的从反应混合物中10至500毫巴的压力下，然后在大气压或压力下继续酯化酒吧高达50次

    6.
    发明专利
    未知

    公开(公告)号：AT374223T

    公开(公告)日：2007-10-15

    申请号：AT02009117

    申请日：2002-04-24

    Applicant: BASF AG

    Inventor： KRONER MATTHIAS ,  BUECHNER KARL-HEINZ ,  BRODT GREGOR

    IPC: C04B7/52 ,  C08G65/332 ,  C04B24/26 ,  C04B24/32 ,  C04B103/52 ,  C08F6/10 ,  C08F8/14 ,  C08F290/06 ,  C08F299/02 ,  C08L71/02

    Abstract: Water soluble polymer comprising esters of acrylic acid, methacrylic acid and alkylpolyalkyene glycols, is prepared by esterification followed by radical polymerization of the resulting mixture in an aqueous medium, whereby the organic solvent is azeotropically distilled off during the polymerization and recycled to the mixture or is replaced by the addition of fresh water. A water soluble polymer (I) comprising esters of acrylic acid, methacrylic acid and alkylpolyalkyene glycols, is prepared by esterification of a mixture of acrylic acid (A), methacrylic acid (B) and an alkylpolyalkylene glycol (C) having a mol.wt. (Mw) of 350-4000 in a molar ratio of (A) to (C) of 0.1-4:1, a molar ratio of (B to (C) of 1-5:1 and molar ratio of the sum of (A) and (B) to (C) of 2-6:1, in the presence of an organic solvent that forms an azeotrope with water to at least 85 wt.% (w.r.t. (C)), followed by radical polymerization of the resulting mixture in an aqueous medium, whereby the organic solvent is azeotropically distilled off from the reaction mixture during the polymerization and the distilled water is recycled to the mixture or is replaced by the addition of fresh water.

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