Accelerating the thermal fading rate of photochromic naphthopyrans by pillar[5]arene-based conjugated macrocycle polymer |
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| Authors: | Shuangyan Liu Taishan Yan Qiuxia Wu Zheng Xu Jie Han |
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| Institution: | 1. Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Energy), College of Chemistry, Nankai University, Tianjin 300071, China;2. State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China |
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| Abstract: | A new micro-spherical conjugated macrocycle polymer (P5]-TFB-CMP) was prepared by the condensation reaction between dihydrazide functionalized pillar5]arene and 1,3,5-triformylbenzene under ambient conditions. P5]-TFB-CMP exhibits large surface area with excellent thermal stability and has been used as additive to prepare composite PMMA film of photochromic naphthopyrans. The results showed that the addition of P5]-TFB-CMP could dramatically accelerate the thermal fading rate of the photochromic composite film by up to 12 times. This is a new strategy to overcome the drawback of the matrix effect. |
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