Distributions of Molecular Weights and 3D Sizes of Hyperbranched Polymers Formed in Batch Self-Condensing Vinyl Polymerization

Tobita Hidetaka

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Distributions of Molecular Weights and 3D Sizes of Hyperbranched Polymers Formed in Batch Self-Condensing Vinyl Polymerization

机译：分批自冷凝乙烯基聚合形成的超支化聚合物的分子量和3D尺寸分布

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It is known that the step polymerization of AB(2)-type monomer leads to form random hyperbranched architecture, irrespective of the reactivity of the second B group. On the other hand, the hyperbranched structure formed in the self-condensing vinyl polymerization of AB* monomer is now shown to be nonrandom because of the persistent history-dependent connection through the A*group. The molecular weight distribution deviates from that of the random branched polymers. On the other hand, the nonrandom effect on the 3D architecture is rather small, and the expectedg-ratio of the unperturbed mean-square radius of gyration < s(2)>(0) of the branched molecule to that of a linear molecule for a given numberkof branch points agrees well with the Zimm-Stockmayer equation that assumes random branching of primary chains having the most probable distribution.

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《Macromolecular theory and simulations》 |2021年第3期|共11页
作者
Tobita Hidetaka;
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作者单位

Univ Fukui Dept Mat Sci &

Engn 3-9-1 Bunkyo Fukui 9108507 Japan;

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原文格式 PDF
正文语种 eng
中图分类高分子化学（高聚物）;
关键词
hyperbranched; molecular weight distribution; Monte Carlo simulation; radius of gyration; theory;

机译：超支化;分子量分布;蒙特卡罗模拟;旋转半径;理论;

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2. Lumped Time Distribution Function of Dynamic Equilibrium System and Its Application in Calculating Molecular Weight Distribution of Polymer [J] . 李洪泊, 孙建中, 刘青, 中国化学工程学报（英文版） . 2002,第002期
3. Influences of poly (vinyl alcohol) molecular weight and carbon nanotubes on radiation crosslinking shape memory polymers [J] . Aamer A.M. Alfayyadh, S. Lotfy, A.A. Basfar, 自然科学进展（英文版） . 2017,第003期
4. Fusing Carbocycles of Inequivalent Ring Size to a Bis(imino)pyridine-Iron Ethylene Polymerization Catalyst:Distinctive Effects on Activity, PE Molecular Weight,and Dispersity [J] . Zheng Wang, Gregory A.Solan, Yanping Ma, 研究（英文） . 2020,第001期
5. A GENERAL APPROACH TO DETERMINING THE EVOLUTION OF MOLECULAR WEIGHT DISTRIBUTION CURVES OF LINEAR POLYMERS UNDERGOING CHAIN SCISSION [J] . Zhuo-li Lin, Jun Luo, Zheng-jian Chen, 高分子科学：英文版 . 2013,第007期
6. MOLECULAR PARAMETERS OF HYPERBRANCHED POLYMERS MADE BY SELF-CONDENSING VINYL POLYMERIZATION .1. MOLECULAR WEIGHT DISTRIBUTION [J] . Muller AHE., Wulkow M., Yan DY. Macromolecules . 1997,第23期

机译：自缩合乙烯基聚合制备的超支化聚合物的分子参数1。分子量分布
7. Molecular weight distribution of hyperbranched polymers generated by self-condensing vinyl polymerization in presence of a multifunctional initiator [J] . Yan Deyue, Muller Axel H.E., Zhou Zhiping Macromolecules . 1999,第2期

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8. Kinetic model of hyperbranched polymers formed by self-condensing vinyl or self-condensing ring-opening polymerization of AB monomers activated by stimuli with different reactivities [J] . Cheng K.-C., Su Y.-Y., Chuang T.-H., Macromolecules . 2010,第21期

机译：由具有不同反应性的刺激物活化的AB单体自缩合乙烯基或自缩合开环聚合形成的超支化聚合物的动力学模型
9. Effect of Feed Rate on Structure of Hyperbranched Polymers Formed by Self-condensing Vinyl Polymerization in Semibatch Reactor [C] . Kuo-Chung Cheng, Wei-Fang Su IEEE Conference on Nanotechnology . 2005

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10. The effect of the polystyrene bead size produced by suspension polymerization on molecular weight and molecular weight distribution [D] . Lazari, Panagiota D. 1998

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12. Effect of Feed Rate on Structure of Hyperbranched Polymers Formed by Self-Condensing Vinyl Polymerization in Semibatch Reactor [O] . 2005

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13. Effect of Temperature Variations on Molecular Weight Distributions - Batch, Chain Addition Polymerizations [R] . Sacks, M. E., Lee, S., Biesenberger, J. A. 1972

机译：温度变化对分子量分布的影响 - 间歇，链加成聚合

Distributions of Molecular Weights and 3D Sizes of Hyperbranched Polymers Formed in Batch Self-Condensing Vinyl Polymerization

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