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The introduction of dynamic covalent bonds into shape memory polymers (SMPs) has offered the possibility of reprocessing, but multifunctional modifications have not been sufficiently investigated. This work reported photoluminescence thermadapt two-way SMPs (2W-SMPs) based on syndiotactic 1,2-polybutadiene (SPB). The ZnS:Cu particles were modified to form beta-hydroxyester dynamic covalent bonds with epoxidized SPB (ESPB), and a dynamic reversible cross-linked network was constructed inside the shape memory polymer. The crystallization-melting characteristics of ESPB and the photoluminescence ability of ZnS:Cu endow the material with two-way shape memory and photoluminescence properties, respectively. Owing to the solid-state plasticity endowed by dynamic covalent bonds, the thermadapt 2W-SMPs can be recycled at high temperatures. In addition, we designed a "gripper" structure via its shape memory ability. The results showed that under variable temperature conditions, this material can successfully grasp objects. Its good photoluminescence effect ensures that the gripper structure can be accurately positioned in a dim environment.
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ACS APPLIED POLYMER MATERIALS
ISSN: 2637-6105
Year: 2025
Issue: 2
Volume: 7
Page: 978-989
4 . 5 0 0
JCR@2023
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 1