METHOD FOR PRODUCING ALDEHYDE FUNCTIONAL COMPOUNDS
    23.
    发明申请
    METHOD FOR PRODUCING ALDEHYDE FUNCTIONAL COMPOUNDS 失效
    生产二氢琥珀酸官能化合物的方法

    公开(公告)号:US20120022276A1

    公开(公告)日:2012-01-26

    申请号:US13142505

    申请日:2010-01-12

    摘要: The invention relates to a method for producing aldehyde functional compounds by a cross-metathesis reaction of an olefinic compound having at least one hydroxy group and at least one C—C double bond with at least one at least monounsaturated fatty acid or at least one at least monounsaturated fatty acid derivative, in the presence of a metathesis catalyst at a maximum temperature of 180° C. and in the presence of at least one reagent that acts as a protective group-forming compound in relation to the aldehyde group of the aldehyde functional compounds.

    摘要翻译: 本发明涉及通过具有至少一个羟基和至少一个C-C双键的至少一个至少一个不饱和脂肪酸或至少一个不饱和脂肪酸的烯属化合物的交叉复分解反应来生产醛官能化合物的方法, 在复分解催化剂存在下,在最高温度为180℃,并且在至少一种作为形成保护基团的化合物作为保护基形成化合物相对于醛官能团的醛基的试剂存在下,最少单不饱和脂肪酸衍生物 化合物。

    Purification of a monomer by extraction with a phase former and crystallization
    25.
    发明授权
    Purification of a monomer by extraction with a phase former and crystallization 失效
    通过用相变器萃取并结晶来纯化单体

    公开(公告)号:US07495129B2

    公开(公告)日:2009-02-24

    申请号:US10541647

    申请日:2004-01-13

    IPC分类号: C07C51/42

    CPC分类号: C07C51/43 C07C51/48 C07C57/04

    摘要: The invention concerns a process for purification of an acidic monomer having a double bond, as well as a device for synthesis of an acidic monomer having a double bond, a process for producing an acidic monomer having a double bond, an acid monomer having a double bond and obtainable by this process, fibers, formed bodies, films, foams, superabsorbent polymers and other special polymers based on or containing this acidic monomer, the use of this acidic monomer in or for producing fibers, formed bodies, films, foams, superabsorbent polymers or other special polymers.

    摘要翻译: 本发明涉及一种用于纯化具有双键的酸性单体的方法,以及用于合成具有双键的酸性单体的方法,制备具有双键的酸性单体的方法,具有双键的酸单体的方法 通过该方法获得的纤维,成形体,膜,泡沫,超吸收性聚合物和基于或含有该酸性单体的其它特殊聚合物,该酸性单体在纤维,成形体,膜,泡沫,超吸收剂中的用途 聚合物或其他特殊聚合物。

    Preparation of polyoxymethylenes
    26.
    发明授权
    Preparation of polyoxymethylenes 失效
    聚甲醛的制备

    公开(公告)号:US06756475B2

    公开(公告)日:2004-06-29

    申请号:US10203285

    申请日:2002-08-08

    IPC分类号: C08G6534

    摘要: Continuous process for preparing polyoxymethylene homo- or copolymers by bulk polymerization of the monomers in the presence of cationic initiators, and also, if desired, in the presence of regulators, where during the polymerization both the monomers and the polymer are present in molten form and, if desired, the polymer is then deactivated, and the melt is discharged, cooled and pelletized, which comprises discharging, cooling and pelletizing the polymer at an elevated pressure and in the presence of a liquid.

    摘要翻译: 在阳离子引发剂的存在下,以及如果需要,在调节剂的存在下,通过单体的本体聚合制备聚甲醛均聚物或共聚物的连续方法,其中在聚合期间单体和聚合物都以熔融形式存在, 如果需要,聚合物然后失活,并且熔体被排出,冷却和造粒,其包括在升高的压力下和在液体存在下排出,冷却和造粒聚合物。

    Synthesis of alpha,omega-dicarboxylic acids and esters thereof from unsaturated fatty acid derivatives
    29.
    发明授权
    Synthesis of alpha,omega-dicarboxylic acids and esters thereof from unsaturated fatty acid derivatives 失效
    从不饱和脂肪酸衍生物合成α,ω-二羧酸及其酯

    公开(公告)号:US08703993B2

    公开(公告)日:2014-04-22

    申请号:US13424548

    申请日:2012-03-20

    IPC分类号: C07C69/48

    摘要: A process for preparing an alpha, omega-dicarboxylic acid or an ester thereof, which includes (a) subjecting at least one unsaturated fatty acid or fatty acid derivative to ozonolysis to obtain an ozonolysis reaction mixture; and (b) oxidizing the ozonolysis reaction mixture with an oxidizing agent in the presence of an acid catalyst to obtain an oxidized reaction mixture comprising at least one alpha, omega-dicarboxylic acid or ester; wherein the process is performed using a solvent and the acid catalyst has a pKa of less than or equal to zero, as measured at 25° C.

    摘要翻译: 一种制备α,ω-二羧酸或其酯的方法,其包括(a)使至少一种不饱和脂肪酸或脂肪酸衍生物进行臭氧分解以获得臭氧分解反应混合物; 和(b)在酸催化剂存在下用氧化剂氧化臭氧分解反应混合物,得到包含至少一种α,ω-二羧酸或酯的氧化反应混合物; 其中所述方法使用溶剂进行,并且所述酸催化剂的pKa小于或等于零,如在25℃下测量的。