Reaction injection molding (RIM) of methyl (meth)acrylate and related
monomers using group-4 catalysts
    5.
    发明授权
    Reaction injection molding (RIM) of methyl (meth)acrylate and related monomers using group-4 catalysts 失效
    使用4族催化剂的(甲基)丙烯酸甲酯和相关单体的反应注射成型(RIM)

    公开(公告)号:US5668234A

    公开(公告)日:1997-09-16

    申请号:US304720

    申请日:1994-09-12

    摘要: Acrylate monomers such as methyl methacrylate, or other suitable monomers such as lactams, lactones, or acrylamides, are polymerized by reaction injection molding (RIM) utilizing a combination of organo group-4 catalysts, e.g., a neutral organo catalyst and a cationic organo catalyst. Preferably a Lewis acid is utilized which reacts with the neutral organo catalyst and forms in situ the cationic organo catalyst. Significant exotherms are rapidly generated and result in short cure times and typically in high conversions of at least 95 percent by weight of the monomer. The catalysts of the present invention give good control of tacticity and thus high Tg polymers such as syndiotactic methyl methacrylate can be produced. The use of the combination organo group-4 catalysts are well suited for reaction injection molding of finished articles wherein the neutral catalyst is fed to a mixing device in at least one stream and the cationic organo catalysts or the Lewis acid is fed in at least one or more different streams.

    摘要翻译: 丙烯酸酯单体如甲基丙烯酸甲酯或其它合适的单体如内酰胺,内酯或丙烯酰胺通过使用有机基团-4催化剂(例如中性有机催化剂和阳离子有机催化剂)的组合的反应注射成型(RIM)聚合 。 优选使用路易斯酸,其与中性有机催化剂反应并原位形成阳离子有机催化剂。 快速产生显着的放热,并导致短的固化时间,并且通常以至少95重量%的单体的高转化率。 本发明的催化剂可以很好地控制立构规整度,因此可以生产高Tg聚合物,如间同立构甲基丙烯酸甲酯。 使用组合有机基团4的催化剂非常适用于最终制品的反应注射成型,其中中性催化剂在至少一种料流中进料到混合装置中,阳离子有机催化剂或路易斯酸进料至少一种 或更多不同的流。

    Algae extraction process
    8.
    发明授权
    Algae extraction process 有权
    藻类提取过程

    公开(公告)号:US08591912B1

    公开(公告)日:2013-11-26

    申请号:US13779871

    申请日:2013-02-28

    摘要: A method of extracting oil from algae by drying algae paste to a predetermined moisture content, contacting the algae paste with a polar solvent to make an algae-solvent solution and extracting oils from the algae paste into a solvent-oil solution, and separating extracted algae from the solvent-oil solution. An oil of whole and unhydrolyzed phospholipids, whole and unhydrolyzed glycolipids, lysolipids, and carotenoids extracted by the above method. An omega-3 fatty acid of docosahexanoic acids (DHAs) and eicosapentaenoic acids (EPAs) extracted from the above method. Isolated nutraceutical grade and pharmaceutical grade oil derived from algae and being free of toxins extracted by the above method. Isolated oil derived from algae including at least one omega-3 fatty acid of DHA and EPA at least partially in the form of whole and unhydrolyzed phospholipids and whole and unhydrolyzed glycolipids extracted by the above method.

    摘要翻译: 通过将藻类糊料干燥至预定水分含量从藻类中提取油的方法,使藻类糊剂与极性溶剂接触,制成藻类溶剂溶液,并将藻类糊料中的油提取到溶剂 - 油溶液中,分离提取的藻类 从溶剂 - 油溶液中。 通过上述方法提取全脂和未水解磷脂,全脱水糖脂,溶血脂和类胡萝卜素油。 从上述方法提取的二十二碳六烯酸(DHAs)和二十碳五烯酸(EPAs)的ω-3脂肪酸。 分离的营养品级和衍生自藻类的药用级油,并且不含上述方法提取的毒素。 从包含至少一种DHA和EPA的ω-3脂肪酸的藻类得到的分离的油,至少部分为全部和未水解的磷脂以及通过上述方法提取的全部和未水解的糖脂形式。

    Ligand Synthesis
    10.
    发明申请
    Ligand Synthesis 有权
    配体合成

    公开(公告)号:US20070287847A1

    公开(公告)日:2007-12-13

    申请号:US11457996

    申请日:2006-07-17

    IPC分类号: C07F9/70

    CPC分类号: C07F9/5022

    摘要: Ligand synthesis methods for the preparation of ligands having the formula wherein Q is selected from phosphorus, arsenic and antimony; wherein X1, X2 and X3 are carbon anions; and, wherein R15 is selected from —SO3, —SO2N(R18), —CO2, —PO3, —AsO3, —SiO2, —C(CF3)2O; where R18 is selected from a hydrogen, a halogen, a hydrocarbyl group and a substituted hydrocarbyl group, are disclosed. Also disclosed are methods of complexing the ligands with late transition metals to form catalyst complexes that catalyze polymerization reactions and/or Heck coupling reactions.

    摘要翻译: 用于制备具有下式的配体的配体合成方法其中Q选自磷,砷和锑; 其中X 1,X 2和X 3是碳阴离子; 和其中R 15选自-SO 3,-SO 2 N(R 18), - CO 2,-PO 3,-AsO 3,-SiO 2,-C(CF 3)2, 3 O 2; 其中R 18选自氢,卤素,烃基和取代的烃基。 还公开了使配体与后过渡金属络合以形成催化聚合反应和/或Heck偶联反应的催化剂络合物的方法。