화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Macromolecular Research, Vol.26, No.11, 1035-1041, November, 2018
DOI10.1007/s13233-019-7005-8  Export Citation
Tunable Shape Memory Polyurethane Networks Cross-Linked by 1,3,5,7-Tetrahydroxyadamantane
Shuqin Fu1, 2, Jiaping Zhu1, 2, and Shaojun Chen1, †
  • 1Guangdong Research Center for Interfacial Engineering of Functional Materials, Shenzhen Key Laboratory of Polymer Science and Technology, Shenzhen Key Laboratory of Special Functional Materials, Nanshan District Key Lab for Biopolymers and Safety Evaluati, Shenzhen University, Shenzhen 518060, P. R. China
  • 2Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, P. R. China
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As a new type of smart polymers, the shape memory polyurethanes attract increasing attention because of their wide use in various applications. Herein, a serials of novel thermo-responsive shape memory polyurethane networks were developed by chemical cross-linking of polycaprolactone with 1,3,5,7 tetrahydroxyadamantane. The polyurethane networks were characterized in relation to their microstructure, cross-linking density, surface appearance, thermal properties, static and dynamic mechanical properties, and shape memory behavior. It was found that the prepared polyurethane networks can exhibit excellent thermo-responsive shape memory properties at body temperature by controlling the molar ratio of 1,3,5,7- tetrahydroxyadamantane and polycaprolactone. Moreover, the incorporation of 1,3,5,7-tetrahydroxyadamantane substantially improved the mechanical properties of the final polyurethane networks. The versatility of the synthesized polyurethane networks is reflected by its dual- and triple-shape memory performance. It can be anticipated that the synthesized polyurethane networks could be used as smart materials for applications involving shape memory polymers.
Keywords:shape memory;thermo-responsive;polyurethane;1,3,5,7-tetrahydroxyadamantane
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