含有邻苯二甲酰亚胺取代基的新型聚（酯-酰胺-酰亚胺）的合成及其特性

IF 1.8 4区化学 Q3 POLYMER SCIENCE

High Performance Polymers Pub Date : 2024-03-08 DOI:10.1177/09540083241238769

Yaqing Wen, Ge Zhu, Jie Li, Xingzhong Fang, Guofei Chen

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引用次数: 0

摘要

采用两步法，通过邻苯二甲酰亚胺-氢醌双（偏苯三酸酐）（PI-TAHQ）、对邻苯二甲酰氯（TPC）和其他含氟单体的共聚，合成了两个系列的具有邻苯二甲酰亚胺侧基的新型聚（酯-酰胺-酰亚胺）（PEsAIs）。这些 PEsAIs 的玻璃化转变温度（Tgs）在 228°C-296°C 之间，热膨胀系数（CTEs）为 18-55 ppm-K-1。这些薄膜具有良好的机械性能，拉伸模量为 3.7-5.7 GPa，拉伸强度为 92-153 MPa，断裂伸长率为 2.2%-8.3%。所有薄膜都具有良好的透明度，400 纳米（T400nm）透过率为 43%-79%，850 纳米（T850nm）透过率超过 89%，而且这些 PEsAI 都是无定形的。其中，PEsAI-d-60 的综合性能最佳，其 Tg 值为 296°C，CTE 值低至 18 ppm-K-1，透光率高（T400nm 为 79%，T850nm 为 91%），显示了这种含有邻苯二甲酰亚胺取代基的新型聚（酯-酰胺-酰亚胺）在光学透明材料中的应用潜力。

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Synthesis and properties of novel poly(ester-amide-imide)s containing pendant phthalimide substituent

Two series of novel poly(ester-amide-imide)s (PEsAIs) with pendant phthalimide side group were synthesized by copolymerization of phthalimide-hydroquinone bis(trimellitate anhydride) (PI-TAHQ), p-phthaloyl chloride (TPC) and other fluorinated monomers using the two-step method. These PEsAIs had glass transition temperatures ( Tgs) in the range of 228 °C–296°C and coefficients of thermal expansion (CTEs) of 18–55 ppm·K−1. These films had good mechanical properties with tensile modulus of 3.7–5.7 GPa, tensile strengths of 92–153 MPa and elongations at break of 2.2%–8.3%. All films displayed good transparency with transmittances at 400 nm (T400nm) of 43%–79% and transmittances at 850 nm (T850nm) exceeding 89%, and these PEsAIs were amorphous. Especially, PEsAI-d-60 presented the best comprehensive performance with Tg of 296°C, low CTE of 18 ppm·K−1 and high transmittance (T400nm of 79%, T850nm of 91%), which exhibited the potential of this novel poly(ester-amide-imide) containing pendant phthalimide substituent in optical transparent materials.

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来源期刊

High Performance Polymers 化学-高分子科学

CiteScore

4.20

自引率

14.30%

发文量

106

审稿时长

1.2 months

期刊介绍： Health Services Management Research (HSMR) is an authoritative international peer-reviewed journal which publishes theoretically and empirically rigorous research on questions of enduring interest to health-care organizations and systems throughout the world. Examining the real issues confronting health services management, it provides an independent view and cutting edge evidence-based research to guide policy-making and management decision-making. HSMR aims to be a forum serving an international community of academics and researchers on the one hand and healthcare managers, executives, policymakers and clinicians and all health professionals on the other. HSMR wants to make a substantial contribution to both research and managerial practice, with particular emphasis placed on publishing studies which offer actionable findings and on promoting knowledge mobilisation toward theoretical advances. All papers are expected to be of interest and relevance to an international audience. HSMR aims at enhance communication between academics and practitioners concerned with developing, implementing, and analysing health management issues, reforms and innovations primarily in European health systems and in all countries with developed health systems. Papers can report research undertaken in a single country, but they need to locate and explain their findings in an international context, and in international literature.