| 催化链转移聚合法制备聚对甲基苯乙烯大分子单体 |
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| 引用本文： | 严丽丽,陈巧玲,施晓枫,张冬,陈莉,陈苏. 催化链转移聚合法制备聚对甲基苯乙烯大分子单体[J]. 南京工业大学学报(自然科学版), 2011, 33(1): 14-17. DOI: 10.3969/j.issn.1671-7627.2011.01.003 |
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| 作者姓名： | 严丽丽 陈巧玲 施晓枫 张冬 陈莉 陈苏 |
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| 作者单位： | 南京工业大学,化学化工学院,材料化学工程国家重点实验室,江苏,南京,210009 |
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| 基金项目： | 国家自然科学基金资助项目，国家自然科学基金委员会-中国工程物理研究院联合基金资助项目 |
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| 摘 要： | 首次以钴Ⅱ肟氟化硼配合物(CoBF)催化剂、2,2′-偶氮二异丁腈(AIBN)为引发剂,由催化链转移聚合法制备聚对甲基苯乙烯大分子单体(poly(p-Methylstyrene)),考察不同CoBF的用量对相对分子质量的影响。结果表明:随着CoBF用量的增加,聚对甲基苯乙烯大分子单体的相对分子质量逐渐减小。另外,还采用了基于重均聚合度(DPw)的Mayo方程,计算出催化剂表观链转移常数(ct)为365.6。
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| 关 键 词： | 催化链转移聚合法 对甲基苯乙烯 链转移常数 Mayo方程 |
Preparation of poly (p-methylstyrene) macromonomer via catalytic chain transfer polymerization |
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| YAN Lili,CHEN Qiaolin,SHI Xiaofeng,ZHANG Dong,CHEN Li,CHEN Su. Preparation of poly (p-methylstyrene) macromonomer via catalytic chain transfer polymerization[J]. Journal of Nanjing University of Technology, 2011, 33(1): 14-17. DOI: 10.3969/j.issn.1671-7627.2011.01.003 |
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| Authors: | YAN Lili CHEN Qiaolin SHI Xiaofeng ZHANG Dong CHEN Li CHEN Su |
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| Affiliation: | (Key Laboratory of Material-Oriented Chemical Engineering,College of Chemistry and Chemical Engineering,Nanjing University of Technology,Nanjing 210009,China) |
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| Abstract: | Poly(p-methylstyrene) macromonomer was prepared via catalytic chain transfer polymerization(CCTP).The CoBF was acted as a chain-transfer agent(CTA) and AIBN was used as the initiator.The effect of different amounts of CoBF on the average molecular weight(Mw) of poly(p-methylstyrene) macromonomer was investigated.The results showed that the average molecular weight of poly(p-methylstyrene) macromonomer decreased with the increase of CoBF.In addition,the apparent chain transfer constant(ct) was determined with the conventional Mayo based on number average degree of polymerization(DPw). |
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| Keywords: | catalytic chain transfer polymerization p-methylstyrene chain transfer constant Mayo equation |
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