Method for producing vinyl esters
    1.
    发明授权
    Method for producing vinyl esters 有权
    乙烯基酯的制备方法

    公开(公告)号:US09174922B2

    公开(公告)日:2015-11-03

    申请号:US14372290

    申请日:2013-01-18

    申请人: Oxea GmbH

    摘要: The present invention relates to a continuous, catalytic process for preparing a vinyl ester of the formula R—C(O)O—CH═CH2 by reaction of a carboxylic acid of the formula R—C(O)OH with a transvinylating reagent of the formula R1—C(O)O—CH═CH2, wherein the reaction is effected at a temperature of 90 to 160° C. and at a pressure of 0.5 to 15 MPa without withdrawal of a reactant in the presence of a transition metal catalyst containing at least one transition metal from the group of ruthenium, osmium, rhodium, iridium, palladium and platinum, and then the resulting reaction mixture is separated into its constituents.

    摘要翻译: 本发明涉及通过式R-C(O)OH的羧酸与式R-C(O)OH的羧酸反应制备式R-C(O)O-CH = CH 2的乙烯基酯的连续催化方法, 式R 1 -C(O)O-CH = CH 2,其中反应在90至160℃的温度和0.5至15MPa的压力下进行,而在过渡金属的存在下不引发反应物 含有来自钌,锇,铑,铱,钯和铂的至少一种过渡金属的催化剂,然后将所得反应混合物分离成其组分。

    Method for Producing Vinyl Esters
    2.
    发明申请
    Method for Producing Vinyl Esters 有权
    生产乙烯基酯的方法

    公开(公告)号:US20140343310A1

    公开(公告)日:2014-11-20

    申请号:US14372290

    申请日:2013-01-18

    申请人: Oxea GmbH

    IPC分类号: C07C67/333

    摘要: The present invention relates to a continuous, catalytic process for preparing a vinyl ester of the formula R—C(O)O—CH═CH2 by reaction of a carboxylic acid of the formula R—C(O)OH with a transvinylating reagent of the formula R1—C(O)O—CH═CH2, wherein the reaction is effected at a temperature of 90 to 160° C. and at a pressure of 0.5 to 15 MPa without withdrawal of a reactant in the presence of a transition metal catalyst containing at least one transition metal from the group of ruthenium, osmium, rhodium, iridium, palladium and platinum, and then the resulting reaction mixture is separated into its constituents.

    摘要翻译: 本发明涉及通过式R-C(O)OH的羧酸与式R-C(O)OH的羧酸反应制备式R-C(O)O-CH = CH 2的乙烯基酯的连续催化方法, 式R 1 -C(O)O-CH = CH 2,其中反应在90至160℃的温度和0.5至15MPa的压力下进行,而在过渡金属的存在下不引发反应物 含有来自钌,锇,铑,铱,钯和铂的至少一种过渡金属的催化剂,然后将所得反应混合物分离成其组分。

    Method for Recovering Di-Trimethylolpropane By Distillation
    4.
    发明申请
    Method for Recovering Di-Trimethylolpropane By Distillation 有权
    通过蒸馏回收二 - 三羟甲基丙烷的方法

    公开(公告)号:US20140284202A1

    公开(公告)日:2014-09-25

    申请号:US14351306

    申请日:2012-10-24

    申请人: Oxea GmbH

    IPC分类号: C07C29/80

    摘要: Distillative process for obtaining ditrimethylolpropane from solutions includes separating ditrimethylolpropane from the solution in a first distillation unit into a first tops fraction comprising low-boiling compounds having a lower boiling point than ditrimethylolpropane and a first bottoms fraction; introducing the first bottoms fraction into a second distillation unit having at least 5 theoretical plates, said unit being configured as a thin-film evaporator with a column attachement and drawing off a second tops fraction comprising intermediate-boiling compounds having a lower boiling point than ditrimethylolpropane as well as withdrawing a second bottoms fraction from the second distillation unit and introducing the second bottoms fraction into a third distillation unit having at least 4 theoretical plates, said unit being configured as a thin-film evaporator with a column attachement, such that ditrimethylolpropane is obtained as a third tops fraction and high boilers are removed as a third bottoms fraction.

    摘要翻译: 从溶液中获得二羟甲基丙烷的蒸馏方法包括将第二蒸馏单元中的溶液中的二三羟甲基丙烷分离成包含沸点低于二三羟甲基丙烷的低沸点化合物和第一塔底馏分的第一顶部馏分; 将第一塔底馏分引入具有至少5个理论塔板的第二蒸馏单元中,所述单元构造为具有塔附件的薄膜蒸发器,并且除去包含沸点低于二羟甲基丙烷的中沸点化合物的第二顶馏分 以及从第二蒸馏单元中取出第二塔底馏分并将第二塔底馏分引入具有至少4个理论塔板的第三蒸馏单元中,所述单元构造为具有柱附着的薄膜蒸发器,使得二三羟甲基丙烷为 作为第三顶部馏分获得,并且作为第三塔底馏分除去高锅炉。

    Method for recovering di-trimethylolpropane by distillation

    公开(公告)号:US09745236B2

    公开(公告)日:2017-08-29

    申请号:US14351306

    申请日:2012-10-24

    申请人: Oxea GmbH

    摘要: Distillative process for obtaining ditrimethylolpropane from solutions includes separating ditrimethylolpropane from the solution in a first distillation unit into a first tops fraction comprising low-boiling compounds having a lower boiling point than ditrimethylolpropane and a first bottoms fraction; introducing the first bottoms fraction into a second distillation unit having at least 5 theoretical plates, said unit being configured as a thin-film evaporator with a column attachment and drawing off a second tops fraction comprising intermediate-boiling compounds having a lower boiling point than ditrimethylolpropane as well as withdrawing a second bottoms fraction from the second distillation unit and introducing the second bottoms fraction into a third distillation unit having at least 4 theoretical plates, said unit being configured as a thin-film evaporator with a column attachment, such that ditrimethylolpropane is obtained as a third tops fraction and high boilers are removed as a third bottoms fraction.