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学科主题: 物理有机化学
题名: Foldamers as Cross-Links for Tuning the Dynamic Mechanical Property of Methacrylate Copolymers
其他题名: 折叠体作为交联剂调控甲基丙烯酸酯共聚物的动态力学性质
作者: Shi ZM(施朱明) ; Huang J(黄晋) ; Ma Z(马志) ; Zhao X(赵新) ; Guan Zhibin ; Li ZT(黎占亭)
通讯作者: Guan Zhibin ; 黎占亭
刊名: Macromolecules
发表日期: 2010
卷: 43, 期:14, 页:6185-6192
收录类别: SCI
部门归属: 中国科学院上海有机化学研究所; 美国加州大学
英文摘要: This paper reports a foldamer-based approach to modulating the thermal and mechanical properties of cross-linked n-butyl methacrylate copolymers Intramolecularly hydrogen-bonding-induced folded aromatic amide segments were designed and prepared, which reacted with a salicyaldehyde-bearing prepolymer to form cross-linked copolymers As a control, analogous aromatic cross-links incapable of forming discrete folded structures due to lack of specific mu-molecular H-bonding were also prepared and incorporated into copolymers. From the two series of cross-linked copolymers, 18 films were prepared and characterized by dynamic mechanical analysis (DMA) as well as creep/recovery experiments. We show that, compared to the control, the discrete folded cross-links substantially improve the mechanical properties of the copolymers We attribute this enhancement to the ability of the folded cross-links to reversibly reveal the hidden length on extension via dissipative cleavage of the intramolecular H-bonds
语种: 英语
相关网址: 查看原文
WOS记录号: WOS:000280053000039
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/20883
Appears in Collections:物理有机化学研究室_期刊论文

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Recommended Citation:
Shi ZM,Huang J,Ma Z,et al. Foldamers as Cross-Links for Tuning the Dynamic Mechanical Property of Methacrylate Copolymers[J]. Macromolecules,2010,43(14):6185-6192.
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