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首次合成了3个C1-对称亚乙基桥联型-(4-取代茚)(芴)锆络合物2a~2c.并以甲基铝氧烷(MAO)为助催化剂用于催化丙烯聚合反应,所得聚丙烯具有较高的等规立构规整度,且随聚合温度的降低而升高.0℃时茚环2-位有甲基取代的络合物2a表现出最高的等规选择性,为93.6%;而60℃时络合物2a~2c都表现出最高的催化活性,其中络合物2a的为7.80×106g PP/(mo1-Zr·h).该类络合物也表现出很高的催化乙烯聚合活性,得到线性宽分布聚乙烯,其中以茚环4-异丙基取代的络合物2c活性最高,在Al/Zr比低至500时仍可达3.45×106gPE/(mol-Zr·h).

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