【摘要】 研究了一类纯α-蒎烯聚合新引发剂体系AlCl₃/活化剂（A）/电子给体（D）,这类体系有很高的引发聚合活性,能获得高分子量产物。其中,AlCl₃/SbCl₃/苯甲酸乙酯（EB）体系,可得软化点128.8℃的树脂,收率达87.3％。本文研究了该引发体系的聚合动力学和聚合物的特性,考察了它的组成配比和外加酯浓度等对聚合的影响。更多还原

【Abstract】 The new initiating system AlCl3/A/D (A as the activator, modifier and complex agent for Aids; D as the donors) for the polymerization of a-pinene was studied. It was found that some of these initiating systems have a high activity for cationic polymerization of a-pinene and give a good yield of a-pinene resin with high molecular weights. For example, the AlCl3/SbCl3/ethyl benzoate (EB) initiating system gives the yield 87. 3% of resin with S. P. 128, 8℃ in toluene at - 15-25℃-In this paper, the kinetic behavior of these initiating systems and the characteristic of polymerization products are studied. The effects of various donors, the amount of SbCl3 added, solvents, temperatures and concentrations of EB, initiator and monomers on the polymerization of a-pinene are investigated.更多还原