|本期目录/Table of Contents|

[1]李琼蓉,刘恒,王凤,等.由配位链转移聚合制备星形聚丁二烯[J].合成橡胶工业,2022,3:236-236.
 LI Qiong-rong,LIU Heng,WANG Feng,et al.Preparation of star-shaped polybutadiene via coordinative chain transfer polymerization[J].China synthetic rubber industy,2022,3:236-236.
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由配位链转移聚合制备星形聚丁二烯(PDF)

《合成橡胶工业》[ISSN:1000-1255/CN:62-1036/TQ]

期数:
2022年3期
页码:
236-236
栏目:
出版日期:
2022-05-15

文章信息/Info

Title:
Preparation of star-shaped polybutadiene via coordinative chain transfer polymerization
文章编号:
1000-1255(2022)03-0231-05
作者:
李琼蓉刘恒王凤张春雨张学全
1. 沈阳化工大学 材料科学与工程学院, 沈阳 110142; 2. 青岛科技大学 高分子科学与工程学院,山东 青岛 266042; 3. 长春工业大学 化学工程学院, 长春 130000
Author(s):
LI Qiong-rong LIU Heng WANG Feng ZHANG Chun-yu ZHANG Xue-quan
1. College of Material Science and Engineering, Shenyang University of Chemical Technology, Shenyang 110142, China; 2. Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, Qingdao University of Science and Technology, Qingdao, 266042, China; 3. College of Chemical Engineering, Changchun University of Technology, Changchun 130000, China
关键词:
配位链转移聚合反应稀土顺丁橡胶星形聚合物开环聚合
Keywords:
-
分类号:
-
DOI:
DOI:10.19908/j.cnki.ISSN1000-1255.2022.03.0236
文献标识码:
-
摘要:
采用2,5-二甲基-2-乙基己酸钕/二异丁基氢化铝/二氯二甲基硅烷三元稀土配位链转移聚合体系,利用烷基铝封端的链末端保持活性的特点,成功引发了双环己内酯4,4′-二氧杂环庚基-7,7′-二酮(BOD)的开环聚合,制备了中心含聚酯交联核结构的星形聚丁二烯。结果表明,随着聚合反应中BOD用量的增加,所得星形聚合物的重均分子量逐渐增加,同时由于星形聚合物臂数不一致,从而导致其分子量分布变宽。此外,所得星形聚丁二烯的Mark-Houwink方程参数α明显小于线型聚合物,其与传统星形聚合物的α值吻合良好。
Abstract:
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参考文献/References

[1] Wang Feng, Liu Heng, Zheng Wenpeng, et al. Fully-reversible and semi-reversible coordinative chain transfer polymerizations of 1,3-butadiene with neodymium-based catalytic systems[J]. Polymer, 2013, 54(25): 6716-6724.[2] Wang Feng, Zhang Chunyu, Hu Yanming, et al. Reversible coordinative chain transfer polymerization of isoprene and copolymerization with ε-caprolactone by neodymium-based catalyst[J]. Polymer, 2012, 53(26): 6027-6032.[3] Yan Deyue, Müller A H E, Matyjaszewski K. Molecular para-meters of hyperbranched polymers made by self-condensing vinyl polymerization(2): Degree of branching[J]. Macromolecules, 1997, 30(23):7024-7033.

备注/Memo

备注/Memo:
Supported by Jilin Province Department of Education (JJKH 20200665 KJ) and the Joint Funds of the National Natural Science Foundation of China (U 1862206).
更新日期/Last Update: 2022-05-15