Process for the branching of saturated and/or unsaturated fatty acids and/or alkyl esters thereof
    15.
    发明授权
    Process for the branching of saturated and/or unsaturated fatty acids and/or alkyl esters thereof 有权
    饱和和/或不饱和脂肪酸和/或其烷基酯的支化方法

    公开(公告)号:US06455716B2

    公开(公告)日:2002-09-24

    申请号:US09798600

    申请日:2001-03-02

    IPC分类号: C07C5100

    摘要: A process for the branching of saturated and/or unsaturated fatty acids and/or alkyl esters thereof comprises subjecting the fatty acids and/or alkyl esters to a skeletal isomerization reaction using a catalyst comprising a crystalline porous structure having incorporated therein a metal to form metal sites on said catalyst and isolating branched fatty acids, alkyl esters thereof, or mixtures thereof, from a reaction mixture obtained by said skeletal isomerization reaction. The catalyst used in the isomerization reaction is preferably a zeolite catalyst containing metal sites of a Group VIII metal. The process produces a mixture of fatty acids and/or alkyl esters that contain significant quantities of branched molecules.

    摘要翻译: 饱和和/或不饱和脂肪酸和/或其烷基酯的支化方法包括使用包含结合有金属的结晶多孔结构的催化剂对脂肪酸和/或烷基酯进行骨架异构化反应以形成金属 从所述骨架异构化反应获得的反应混合物中分离所述催化剂上的位点并分离支链脂肪酸,其烷基酯或其混合物。 异构化反应中使用的催化剂优选为含有VIII族金属的金属部位的沸石催化剂。 该方法产生含有大量支链分子的脂肪酸和/或烷基酯的混合物。

    Methods for producing polyol fatty acid polyesters using atmospheric or
superatmospheric pressure
    17.
    发明授权
    Methods for producing polyol fatty acid polyesters using atmospheric or superatmospheric pressure 失效
    使用大气压或超大气压力生产多元醇脂肪酸聚酯的方法

    公开(公告)号:US5767257A

    公开(公告)日:1998-06-16

    申请号:US684119

    申请日:1996-07-19

    CPC分类号: C07H13/06

    摘要: Methods for the solventless transesterification of a polyol comprise reacting polyol with fatty acid alkyl ester in the presence of a basic catalyst to produce polyol fatty acid polyester product and lower alkyl alcohol by-product, wherein a majority of the polyol is fully esterified. The reaction is conducted in a reactor at a temperature in the range of from about 60.degree. to about 180.degree. C. and at atmospheric or superatmospheric pressure. An inert gas is sparged through the reactor with sufficient mass transfer surface area contact between the inert gas and reactor liquid to transfer the lower alkyl alcohol by-product from a liquid mixture of reactant and product to the inert gas and promote full esterification of a majority of the polyol without the use of vacuum pressure.

    摘要翻译: 多元醇的无溶剂酯交换的方法包括在碱性催化剂存在下使多元醇与脂肪酸烷基酯反应,以制备多元醇脂肪酸聚酯产物和低级烷基醇副产物,其中大部分多元醇被完全酯化。 反应在反应器中在约60℃至约180℃的温度和大气压或超大气压下进行。 将惰性气体喷射通过反应器,在惰性气体和反应器液体之间具有足够的传质表面积接触,将低级烷基醇副产物从反应物和产物的液体混合物转移到惰性气体中并促进多数化合物的完全酯化 的多元醇,而不使用真空压力。