| 聚甲基丙烯酸甲酯接枝聚氧乙烯在甲苯中的聚集态结构 |
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| 引用本文： | 陈永春,陈超,曹红燕,徐祖顺,程时远.聚甲基丙烯酸甲酯接枝聚氧乙烯在甲苯中的聚集态结构[J].应用化学,2002,19(7):662-0. |
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| 作者姓名： | 陈永春 陈超 曹红燕 徐祖顺 程时远 |
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| 作者单位： | 1. 湖北大学化学与材料科学学院,武汉,430062
2. 武汉理工大学材料学院,武汉 |
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| 基金项目： | 湖北省教委自然科学基金资助 |
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| 摘 要： | 两亲接枝共聚物;胶束;聚甲基丙烯酸甲酯接枝聚氧乙烯在甲苯中的聚集态结构
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| 关 键 词： | 两亲接枝共聚物 胶束 聚甲基丙烯酸甲酯接枝聚氧乙烯在甲苯中的聚集态结构 |
| 文章编号： | 1000-0518(2002)07-0662-05 |
| 收稿时间： | 2009-06-29 |
| 修稿时间： | 2001年11月26 |
The Aggregation Structure of PMMA-g-PEO in Toluene |
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| CHEN Yong Chun a,CHEN Chao b,CAO Hong Yan a,XU Zu Shun a,CHENG Shi Yuan a.The Aggregation Structure of PMMA-g-PEO in Toluene[J].Chinese Journal of Applied Chemistry,2002,19(7):662-0. |
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| Authors: | CHEN Yong Chun a CHEN Chao b CAO Hong Yan a XU Zu Shun a CHENG Shi Yuan a |
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| Institution: | CHEN Yong Chun a*,CHEN Chao b,CAO Hong Yan a,XU Zu Shun a,CHENG Shi Yuan a |
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| Abstract: | The NMR results indicated that toluene is a selective solvent for amphiphilic graft copolymer poly(methyl methylacrylate) g poly(ethylene oxide)(PMMA g PEO). The reversed micelles were formed in toluene with PEO side chains as core and PMMA backbones as shells. TEM, DLS and viscosity measurement revealed that the aggregation structure is dependent on the temperature and concentration of the PMMA g PEO solution, at higher temperature the reversed micelle can be formed in a lower concentration. The aggregation structure is changed in a certain range of concentration and temperature, as shown in following schemes. (1) Single molecular solution increasing concn.decreasing concn. Small reversed micelle increasing concn.decreasing concn. Large reversed micelle (2) Large reversed micelle increasing temp.decreasing temp. Smalle reversed micelle increasing temp.decreasing temp. Single molecular solution |
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| Keywords: | poly(methyl methacrylate) g poly(ethylene oxide) amphiphilic graft copolymer aggregation structure micelle |
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