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| 1 | Synthesis of Functional Hyperbranched Poly(methyltriazolylcarboxylate)s by Catalyst-free Click Polymerization of Butynoates and Azides显示文摘Azide-alkyne click polymerization has become a powerful tool for polymer synthesis.However,the click polymerization between internal alkynes and azides is rarely utilized to prepare functional polymers.In this work,the polymerization reactions of activated internal alkyne monomers of tris(2-butynoate)s(1)with tetraphenylethene-containing diazides(2)were performed in dimethylformamide(DMF)under simple heating,affording four hyperbranched poly(methyltriazolylcarboxylate)s(hb-PMTCs)with high molecular weights(A4W up to 2.4 x 104)and regioregularities(up to 83.9%)in good yields.The hb-PMTCs are soluble in common organic solvents,and thermally stable with 5%weight loss temperatures up to 400℃.They are non-emissive in dilute solution,but become highly emissive in aggregated state,exhibiting aggregationinduced emission characteristics.The polymers can generate fluorescent photopatterns with high resolution,and can work as fluorescent sensors to detect nitroaromatic explosive with high sensitivity. | Mu-Ning Lang Wei-Wen Chi Ting Han Qing-Zhen Zhao Hong-Kun Li Ben Zhong Tang Yong-Fang Li | 2020 | Chinese Journal of Polymer Science2020，38，11： | 2 |
| 2 | 基于四苯乙烯封端的新型荧光聚芳醚腈显示文摘聚芳醚腈是一类拥有耐高温、力学性能良好、易于成型加工性等优良综合性能的特种高分子材料。本文以四苯乙烯为封端的功能化结构,通过控制反应条件,获得两种不同主链长度的新型聚芳醚腈荧光高分子。研究结果显示,所得样品均表现出聚集诱导发光现象,聚集态下荧光强度最高增强12倍,发射峰红移至460 nm的蓝绿光波段。样品5%热分解温度分别位于380℃和395℃,同时,其中拥有较长链的样品可制备为发光柔性薄膜,并具备良好的力学性能。 | 张倩文 刘熙迪 陈涛 王盼 | 2022 | 广州化工2022，50，11： | 0 |
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