Homogeneous neodymium rare earth catalyst, and preparation method and application thereof

Homogeneous neodymium rare earth catalyst, and preparation method and application thereof

  • CN 102,532,354 A
  • Filed: 12/09/2010
  • Published: 07/04/2012
  • Est. Priority Date: 12/09/2010
  • Status: Active Application
First Claim
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1. a neodymium is the homogeneous phase rare earth catalyst, and it mainly consists of:

  • A) carboxylic acid neodymium compound;

    B) having general formula is AlR 3Or AlHR 2Aluminum alkyls or alkyl aluminium hydride, or the mixture of the two, wherein R is C 1-C 6Straight or branched alkane;

    C) halogen contained compound;

    D) conjugated diene;

    Wherein the mol ratio of each component is;

    a;

    b;

    c;

    d=1;

    5~

    20;

    1~

    5;

    12~

    30;

    Wherein this neodymium is that the homogeneous phase rare earth catalyst prepares through following method;

    earlier with component a) with d) mix, again with components b) join in the aforementioned mixed solution, add amount of component b at last);

    Perhaps earlier with component a), b), d) mix, again with amount of component b) join in the aforementioned mixed solution.

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