It was shown that coordination catalysts of La, Pr, Nd, Eu, Gd, Er, Yb, Lu rare earth eight elements all have catalyties activities for the polymerization reaction of BMA.

• 结果表明,La、Pr、Nd、Eu、Gd、Er、Yb、Lu等八种稀土元素的膦酸酯化合物都具有聚合催化活性。