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Synthesis, Structure and Properties of a Novel Copolymer with Photochromic and Photoluminescence Functions

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Photochromic and photoluminescence materials show bright colors under different excitation conditions, and thus, these functional materials have been applied in many fields. Based on the photochromic and photoluminescence theories, a block copolymer, which could be directly processed into nanofibers by electrospinning, was successfully prepared through atom transfer radical polymerization ( ATRP ) . To synthesize the block copolymer, a vinyl monomer containing a spiropyran unit was employed to prepare the photochromic chain segment, and a polymethyl methacrylate ( PMMA) chain segment was introduced to improve the processability of the block copolymer. Acting as the photoluminescence unit, the rare earth complex was linked to the side chain through coordination bonding between the rare earth ions and the ester groups of PMMA. When the photochromic and photoluminescence block copolymer was exposed to different wavelengths of ultraviolet ( UV ) light and visible ( Vis ) light, it could show white, red, green, yellow, and blue-purple. These results provide the potential of the as-prepared photochromic and photoluminescence block copolymer for application in fibers and fabrics.

photochromic materialphotoluminescence materialspiropyranatom transfer radical polymerization (ATRP)block copolymer

YANG Long、ZHAO Tianxiang、SHU Dengkun、XI Peng

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School of Materials Science and Engineering, Tiangong University, Tianjin 300387, China

State Key Laboratory of Separation Membranes and Membrane Processes, Tianjin 300387, China

Tianjin Key Laboratory of Advanced Fibers and Energy Storage, Tianjin 300387, China

Application Fundamental and Advanced Technology Research Proposal Project of Tianjin, China

18JCZDJC38300

2020

10.19884/j.1672-5220.202010082

东华大学学报(英文版)
东华大学

东华大学学报(英文版)

影响因子：0.091
ISSN：1672-5220
年,卷(期)：2020.37(6)
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