In-chain functionalized syndiotactic 1,2-polybutadiene by a Ziegler-Natta iron(iii) catalytic system.
In-chain functionalized syndiotactic 1,2-polybutadiene by a Ziegler-Natta iron(iii) catalytic system.
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齐格勒·纳塔铁 (iii) 催化体系链内官能化间同立构 1,2-聚丁二烯
DOI:
10.1039/c9ra06499k
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发表时间:
2019-10-15
期刊:
影响因子:
3.9
通讯作者:
Zhang, Xuequan
中科院分区:
文献类型:
--
作者:
Liang, Shanshan;Zhang, Huaqiang;Cong, Rixin;Liu, Heng;Wang, Feng;Hu, Yanming;Zhang, Xuequan
Copolymerization of 1,3-butadiene with four 1-substituted 1,3-diene comonomers bearing amino and alkyoxy groups by a Ziegler–Natta iron(iii) catalytic system to access in-chain functionalized syndiotactic 1,2-polybutadiene is reported herein. The polar comonomer content can be easily regulated by varying the comonomer loadings or polymerization conditions, affording functionalized syndiotactic 1,2-polybutadiene with different amounts of functionalities. The incorporation of a polar comonomer showed little influence on the 1,2-content and stereoregularity of the resulting polymers, giving a 1,2-structure as high as ∼85% and an rrrr pentad of 81.0%. Significantly improved surface properties of the polymers was obtained after incorporation of polar comonomer, as revealed from the remarkably decreased water contact angles. In-chain functionalized syndiotactic 1,2-polybutadiene through copolymerization of 1,3-butadiene and 1-substituted 1,3-diene comonomer by a Ziegler–Natta iron(iii) catalytic system.
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