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Design of well-defined shape memory networks with high homogeneity: towards advanced shape memory polymeric materials

Abstract

Designing precisely defined network architecture that could integrate desired material properties into one single network is a great challenge for the development of advanced polymeric materials. For thermally induced shape memory polymers, rapid response, controllable recovery in narrow temperature window and high achievable number of cycles are critical for their applications. Here, we report the synthesis of a well-defined shape memory network with high homogeneity via the efficient step-growth thiol-norbornene photopolymerization. Because of uniform distribution of the switch segments and netpoints, the single polymer network exhibits a combination of perfect shape fixity and recovery, rapid response, outstanding cycle life at the high strain and unusual tunable multiple shape memory effects in a narrow temperature range, which may lead to an even more diverse range of applications.

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Publication details

The article was received on 31 May 2017, accepted on 15 Jun 2017 and first published on 15 Jun 2017


Article type: Communication
DOI: 10.1039/C7PY00904F
Citation: Polym. Chem., 2017, Accepted Manuscript
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    Design of well-defined shape memory networks with high homogeneity: towards advanced shape memory polymeric materials

    X. Li, Y. Pan, J. Lai, R. Wu, Z. Zheng and X. Ding, Polym. Chem., 2017, Accepted Manuscript , DOI: 10.1039/C7PY00904F

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