Process for producing mixed metal rare earth metal halide solutions in organic solvents

Process for producing mixed metal rare earth metal halide solutions in organic solvents

  • CN 102,245,511 A
  • Filed: 10/07/2009
  • Published: 11/16/2011
  • Est. Priority Date: 10/08/2008
  • Status: Active Application
First Claim
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1. be used to make anhydrous rare earth halide (SEHal 3) method, wherein SE=Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb or Lu, and Hal=Cl, Br or I is characterized in that, exist under the lithium salts LiY situation, wherein Y=Hal, SO 4/ 2, CN, SCN, NCO, HalO n(n=3 or 4), NO 3, BF 4Or PF 6, wherein Hal is selected from Cl, B and I, allows rare earth oxide SE in the polar aprotic solvent 2O 3With in non-proton polar solvent below the halogenating agent reaction of general formula:

  • MHalX 1X 2X 3Wherein M=Si, Ge, Sn, Ti, Zr or Hf;

    Hal=Cl, Br or I;

    X 1, X 2, X 3=be independently of each other Cl, Br, I, H, alkoxide (OR), wherein R represents the organic group of 1-20 carbon atom, have the alkyl of 1-20 carbon atom or have the aryl of 6-20 carbon atom, wherein said alkyl or aryl group can have one or more other halogenic substituents that are selected from Cl, Br or I.

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