Process for the manufacture of aqueous solutions of unsaturated quaternary ammonium salts
    1.
    发明申请
    Process for the manufacture of aqueous solutions of unsaturated quaternary ammonium salts 失效
    制备不饱和季铵盐水溶液的方法

    公开(公告)号:US20030023113A1

    公开(公告)日:2003-01-30

    申请号:US10132690

    申请日:2002-04-26

    Applicant: ATOFINA

    CPC classification number: C07C213/08 C07C219/08

    Abstract: This process for the manufacture of an aqueous solution of the unsaturated quaternary ammonium salt corresponding to the formula (I), by reaction, in the presence of water, of N,N-dimethylaminoethyl acrylate (DAMEA) with a quaternizing agent of formula (II), is characterized in that the said reaction is carried out continuously in a rotating disc agitated column, with introduction of the quaternizing agent in the column bottom and introduction of the DAMEA and the water in the column top, the said reaction being carried out at a temperature of 35 to 60null C. and under a pressure of 10 to 20 bar. 1 nullRnullClnullnull(II)Rnullmethyl or benzyl radical.

    Abstract translation: 通过在水存在下,将N,N-二甲基氨基乙基丙烯酸酯(DAMEA)与式(II)的季铵化剂反应制备对应于式(I)的不饱和季铵盐的水溶液的该方法 ),其特征在于所述反应在旋转圆盘搅拌柱中连续进行,并将季铵化合物引入塔底并将DAMEA和水引入塔顶,所述反应在 温度为35〜60℃,压力为10〜20巴。 R-Cl(II)R =甲基或苄基。

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