以三乙基铝(TEA)为保护剂,研究了TiCl4/MgCl2/芴二醚/Al(C2H5)3体系催化丙烯与十一烯醇或十一烯酸的共聚反应.结果表明,在极性单体存在下,聚合反应活性随极性单体加入量的增加而降低,但可保持丙烯均聚活性的一半以上,反应活性衰减较小.同时,随着极性单体加入量的增加,极性单体在共聚物中的含量增加.与十一烯酸相比,十一烯醇共聚具有更高的共聚活性和共单体含量.随着共聚物中极性单体含量的增加,聚合物的熔点和结晶温度都有所降低.反应温度对丙烯和十一烯醇共聚的反应活性和共单体含量影响较小.
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