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    Ethylene-based copolymers and their use as flow improvers in mineral oil middle distillates
    9.
    发明授权
    Ethylene-based copolymers and their use as flow improvers in mineral oil middle distillates 失效
    乙烯基共聚物及其在矿物油中间馏分中作为流动改进剂的用途

    公开(公告)号：US5747616A

    公开(公告)日：1998-05-05

    申请号：US869971

    申请日：1997-06-05

    申请人： Hans-Joachim Muller ,  Bernd Wenderoth ,  Albin Berger ,  Dieter Littmann ,  Roger Klimesch ,  Knut Oppenlander ,  Bernd Lothar Marczinke ,  Thomas Ruhl ,  Marc Heider

    发明人： Hans-Joachim Muller ,  Bernd Wenderoth ,  Albin Berger ,  Dieter Littmann ,  Roger Klimesch ,  Knut Oppenlander ,  Bernd Lothar Marczinke ,  Thomas Ruhl ,  Marc Heider

    IPC分类号： C08F10/00 ,  C08F210/02 ,  C10L1/22 ,  C10L1/236 ,  C10L10/14 ,  C08F222/40 ,  C08F216/18

    CPC分类号： C10L1/2366 ,  C08F210/02 ,  C10L1/2368

    摘要： Ethylene-based copolymers which are suitable as flow improvers for mineral oil middle distillates are composed of a) from 50 to 94% by weight of ethylene, b) from 3 to 30% by weight of one or more vinyl esters of C.sub.2 -C.sub.6 -monocarboxylic acids, c) from 3 to 20% by weight of one or more aminoalkyl acrylates of the general formula I ##STR1## where R.sup.1 is hydrogen or methyl, R.sup.2 and R.sup.3 may be identical or different and are each hydrogen or C.sub.1 -C.sub.6 -alkyl and A.sup.1 is straight-chain or branched C.sub.2 -C.sub.10 -alkylene, and d) from 0 to 10% by weight of one or more monomers which are copolymerizable with the monomers a) to c), copolymers in which monomer b) is vinyl acetate and which have a number average molecular weight of from 5000 to 50,000 being excluded, or are composed of a') from 50 to 95.5% by weight of ethylene, b') from 4 to 30% by weight of one or more vinyl esters of C.sub.2 -C.sub.6 -monocarboxylic acids, c') from 0.5 to 20% by weight of one or more vinylimidazoles of the general formula II ##STR2## where R.sup.4, R.sup.5 and R.sup.6 may be identical or different and are each hydrogen or C.sub.1 -C.sub.6 -alkyl, or from 0.5 to 20% by weight of one or more aminoalkyl vinyl ethers of the general formula III R.sup.7 R.sup.8 N--A.sup.2 --O--CR.sup.9 .dbd.CR.sup.10 R.sup.11(III) where R.sup.7 and R.sup.8 are each C.sub.1 -C.sub.6 -alkyl, R.sup.9, R.sup.10 and R.sup.11 are each hydrogen or C.sub.1 -C.sub.6 -alkyl and A.sup.2 is C.sub.2 -C.sub.6 -alkylene, and d') from 0 to 10% by weight of one or more monomers which are copolymerizable with the monomers a') to c').

    摘要翻译： 适用于矿物油中间馏分的流动改进剂的乙烯基共聚物由以下组成：a）50-94重量％的乙烯，b）3-30重量％的一种或多种C2-C6- 一元羧酸，c）3至20重量％的一种或多种通式I（I）的氨基烷基丙烯酸酯，其中R 1是氢或甲基，R 2和R 3可以相同或不同，各自为氢或C1 -C6-烷基和A1是直链或支链C 2 -C 10 - 亚烷基，和d）0至10重量％的可与单体a）至c）共聚的一种或多种单体，其中单体b ）为乙酸乙烯酯，其数均分子量为5000〜50,000，或者由以下组成：a）50〜95.5重量％的乙烯，b'），4〜30重量％的一种或多种 更多的C2-C6-一元羧酸的乙烯基酯，c'）0.5至20重量％的一种或多种通式II的乙烯基咪唑（II）w 这里R 4，R 5和R 6可以相同或不同，各自为氢或C 1 -C 6烷基，或0.5至20重量％的一种或多种通式IIIR7R8N-A2-O-CR9 = CR10R11的氨基烷基乙烯基醚 （III）其中R 7和R 8各自为C 1 -C 6烷基，R 9，R 10和R 11各自为氢或C 1 -C 6烷基，且A 2为C 2 -C 6亚烷基，d'）为0至10重量％ 一种或多种可与单体a'）至c'）共聚的单体。