引用本文:
韩孝族, 郭凤春, 王大伟. 丙烯酸类单体与倍半铝的络合常数及其与共轭双烯烃的交替共聚[J]. 应用化学,
1984, 1(2): 41-45.
Citation: Han Xiaozu, Guo Fengchun, Wang Dawei. THE COMPLEX CONSTANTS OF ACRYLIC MONOMERS WITH ETHYLALUMINIUM SESQUICHLORIDE AND THE RATES OF ALTERNATING COPOLYMERIZATION OF THESE MONOMERS WITH CONJUGATED DIENES[J]. Chinese Journal of Applied Chemistry, 1984, 1(2): 41-45.
Citation: Han Xiaozu, Guo Fengchun, Wang Dawei. THE COMPLEX CONSTANTS OF ACRYLIC MONOMERS WITH ETHYLALUMINIUM SESQUICHLORIDE AND THE RATES OF ALTERNATING COPOLYMERIZATION OF THESE MONOMERS WITH CONJUGATED DIENES[J]. Chinese Journal of Applied Chemistry, 1984, 1(2): 41-45.
丙烯酸类单体与倍半铝的络合常数及其与共轭双烯烃的交替共聚
摘要:
用紫外光谱法测定了丙烯腈、丙烯酸甲酯、甲基丙烯酸甲脂和甲基丙烯酸丁酯与倍半铝 的络合常数(K),其值分别为123,82.6,50和17.51/mol,它们和单体的e值有关:K=2.57 exp(1.39e)。丙烯酸类单体与共轭双烯在倍半铝存在下的交替共聚反应速度,随络合常数值及两种单 体e值之差增大而增大,说明单体极性效应在这种给电子-受电子单体共聚中起重要作用。
English
THE COMPLEX CONSTANTS OF ACRYLIC MONOMERS WITH ETHYLALUMINIUM SESQUICHLORIDE AND THE RATES OF ALTERNATING COPOLYMERIZATION OF THESE MONOMERS WITH CONJUGATED DIENES
Abstract:
The complex constants (K) of acrylonitrile, methyl acrylate, methyl methacrylate and butyl methacrylate with ethylaluminium sesquichloride have been evaluated by UV spectrum method.They are dependent upon the e values of acrylic monomers;K=27.5 exp (1.39e) and have the values of 123, 82.6, 50 and 17.5 l/mole, respectively. The rates of alternating copolymerization of acrylic monomers with conjugated dienes in the presence of ethylaluminium sesquichloride in-crease with increasing K and the diffrence of e values between two mono-mers. It is shown that for donor-acceptor monomers the polar effect of mo-nomer plays an important role in the copolymerization.
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