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    RADIATION CURABLE POLYESTERS
    83.
    发明公开
    RADIATION CURABLE POLYESTERS 失效
    辐射聚酯

    公开(公告)号：EP0929594A4

    公开(公告)日：1999-12-22

    申请号：EP97944310

    申请日：1997-09-19

    申请人： HENKEL CORP

    发明人： NARAYAN RAMESH

    IPC分类号： C08G63/21 ,  C08G63/676 ,  C08G63/54

    CPC分类号： C08G63/676 ,  C08G63/21

    摘要： A composition comprising the reaction product of: a) a polycarboxylic member selected from the group consisting of polycarboxylic acids comprised of a diacid having more than about 12 carbon atoms and reactive derivatives thereof (e.g. alkyl esters thereof wherein the alkyl group has from 1 to 4 carbon atoms), b) an ethylenically unsaturated member selected from the group consisting of ethylenically unsaturated mono-carboxylic acids and reactive derivatives thereof, (e.g. alkyl esters thereof wherein the alkyl group thereof has from 1 to 4 carbon atoms), and c) an ethoxylated alkanetriol having an average degree of ethoxylation per hydroxyl of less than about 2 and comprised predominantly of ethoxylated alkanetriol species having one ethoxylate group per hydroxyl. This composition is useful as a polymerizable component, particularly for UV curable coatings and inks.

    Cured polyester plastic compositions derived from recycled polyurethanes
    90.
    发明公开
    Cured polyester plastic compositions derived from recycled polyurethanes 失效
    Aus wiederverwendeten Polyurethanen abgeleitetegehärtetePolyester-Zusammensetzungen。

    公开(公告)号：EP0633285A1

    公开(公告)日：1995-01-11

    申请号：EP94304937.9

    申请日：1994-07-05

    申请人： ARCO Chemical Technology, L.P.

    发明人： Yang, Lau S. ,  Kooker, Diane A.

    IPC分类号： C08J11/26 ,  C08G18/83 ,  C08G63/676

    CPC分类号： C08J11/26 ,  C08F290/147 ,  C08G18/831 ,  C08G63/676 ,  C08J2375/04 ,  Y02P20/582 ,  Y02W30/706

    摘要： Cured, thermoset plastic articles derived from scrap polyehter-based polyurethanes are obtained by converting the polyurethane to a liquified mixture containing digested polyurethane and cyclic, unsaturated anhydride. A Lewis acid then catalyzes insertion of the cyclic, unsaturated anhydride into the polyether backbone of the polyurethane to give a liquid, unsaturated resin. The unsaturated resin can be cured with a vinyl monomer in the presence of a free-radical initiator to give a cured, thermoset plastic.

    摘要翻译： 通过将聚氨酯转变成含有消化的聚氨酯和环状不饱和酸酐的液化混合物，得到衍生自废聚酯基聚氨酯的热固性塑料制品。 然后路易斯酸催化环状不饱和酸酐插入聚氨酯的聚醚主链中，得到液体不饱和树脂。 不饱和树脂可以在自由基引发剂存在下用乙烯基单体固化，得到固化的热固性塑料。