一种通过电子转移生成催化剂的原子转移自由基聚合的聚合体系

Polymerization system for atom transfer radical polymerization (ATRP) using activators generated by electron transfer (AGET)

Abstract

The invention discloses a polymerization system for atom transfer radical polymerization (ATRP) using activators generated by electron transfer (AGET), comprising radical polymerization monomers, initiator, coordination agent, catalyst and reducer. The invention is characterized in that the polymerization system still comprises alkaline; the components are proportioned in mol as that monomers: initiator: alkaline equals to 100-1000: 1: 1-5; the catalyst is selected from Iron(III) chloride hexahydrate or iron bromide; and the alkaline is selected from one of sodium hydroxide (NaOH), sodium bicarbonate and ferric hydroxide (Fe (OH) 3). Because the alkaline with the same dose of the catalyst is added into the AGET ATRP polymerization system, the polymerization reaction rate is improved, a polymer with high percent conversion can be generated in a short time and the control performance of polymerization reaction is improved.
本发明公开了一种通过电子转移生成催化剂的原子转移自由基聚合的聚合体系,包括:可自由基聚合的单体、引发剂、配位剂、催化剂、还原剂,其特征在于,还包括:碱;其中,按摩尔比,单体∶引发剂∶碱=100~1000∶1∶1~5;所述催化剂选自:六水合高氯化铁或溴化铁中的一种;所述碱选自:氢氧化钠(NaOH)、碳酸氢钠或氢氧化铁(Fe(OH)3)的一种。由于本发明所提供的AGET ATRP聚合体系中加入催化剂用量的碱,提高反应的聚合速率,可在短时间内得到转化率较高的聚合物,并且碱的加入有利于提高聚合反应的控制性。

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Patent Citations (1)

    Publication numberPublication dateAssigneeTitle
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NO-Patent Citations (2)

    Title
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