High Modulus Ratio Shape-Memory Polymers Achieved by Combining Hydrogen Bonding with Controlled Crosslinking

被引：15

作者：

Pan, Yi ^{[1
,2
]}

Liu, Tuo ^{[1
,2
]}

Li, Jing ^{[1
,2
]}

Zheng, Zhaohui ^{[1
]}

Ding, Xiaobin ^{[1
]}

Peng, Yuxing ^{[1
]}

机构：

[1] Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China

[2] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

来源：

JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS | 2011年 / 49卷 / 17期

基金：

中国国家自然科学基金;

关键词：

hydrogen bonding; modulus networks; shape-memory; thermodynamics; GLYCOL) COMPLEXES; NETWORKS;

D O I：

10.1002/polb.22317

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A new type of poly(methyl acrylate)-co-(acrylic acid) (PMA-AA) networks obtained by combining hydrogen bonding with controlled crosslinking exhibit full and rapid shape-memory recovery. The structure, thermal properties, dynamical mechanical properties and shape-memory effects of these networks were presented. High modulus ratios were achieved for the series of PMA-AA networks based on intense self-complementary hydrogen bonding in poly(acrylic acid) (PAA) segments. This lead to excellent shape-memory effects with strain-recovery ratio above 99%. Meanwhile, faster recovery speed was achieved by the synergistic effect of hydrogen bonding and controlled crosslinking compared to the linear PMA-AA copolymers. (C) 2011 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys 49: 1241-1245, 2011

引用

页码：1241 / 1245

页数：5

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