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首页> 外文期刊>Polymers >Synthesis and Characterization of PEDOT:P(SS- co -VTMS) with Hydrophobic Properties and Excellent Thermal Stability
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Synthesis and Characterization of PEDOT:P(SS- co -VTMS) with Hydrophobic Properties and Excellent Thermal Stability

机译：具有疏水性和优异的热稳定性的PEDOT：P（SS- co-VTMS）的合成与表征

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摘要

Hydrophobic and comparatively thermally-stable poly(3,4-ethylenedioxythiophene), i.e. , poly(styrene sulfonate- co -vinyltrimethoxysilane) (PEDOT:P(SS- co -VTMS)) copolymer was successfully synthesized via the introduction of silane coupling agent into the PSS main chain to form P(SS- co -VTMS) copolymers. PSS and P(SS- co -VMTS) copolymers were successfully synthesized via radical solution polymerization, and PEDOT:P(SS- co -VTMS) was synthesized via Fe + -catalyzed oxidative polymerization. The characterization of PEDOT:P(SS- co -VTMS) was performed through an analysis of Fourier transform infrared spectroscopy (FTIR) results, water contact angle and optical images. The electrical properties of conductive PEDOT:P(SS- co -VTMS) thin films were evaluated by studying the influence of the VTMS content on the electrical and physical properties. The conductivity of PEDOT:P(SS- co -VTMS) decreased with an increase in the VTMS content, but was close to that of the PEDOT:PSS, 235.9 S·cm ?1 . The introduction of VTMS into the PSS copolymer improved the mechanical properties and thermal stability and increased the hydrophobicity. The thermal stability test at a temperature over 240 °C indicated that the sheet resistance of PEDOT:PSS increased by 3,012%. The sheet resistance of PEDOT:P(SS- co -VTMS), on the other hand, only increased by 480%. The stability of PEDOT:P(SS- co -VTMS) was six-times higher than that of the reference PEDOT:PSS.
机译：通过将硅烷偶联剂引入到聚合物中，成功合成了疏水性和相对热稳定的聚（3,4-乙撑二氧噻吩）共聚物。 PSS主链形成P（SS- co -VTMS）共聚物。通过自由基溶液聚合成功合成了PSS和P（SS-co-VMTS）共聚物，并通过Fe +催化的氧化聚合反应合成了PEDOT：P（SS-co-VTMS）。通过对傅立叶变换红外光谱（FTIR）结果，水接触角和光学图像进行分析，对PEDOT：P（SS-co-VTMS）进行了表征。通过研究VTMS含量对电和物理性能的影响，评估了导电PEDOT：P（SS-co-VTMS）薄膜的电性能。 PEDOT：P（SS-co-VTMS）的电导率随VTMS含量的增加而降低，但与PEDOT：PSS的电导率接近，为235.9 S·cm？1。将VTMS引入PSS共聚物可改善机械性能和热稳定性，并提高疏水性。在超过240°C的温度下进行的热稳定性测试表明，PEDOT：PSS的薄层电阻增加了3012％。另一方面，PEDOT：P（SS-co -VTMS）的薄层电阻仅增加了480％。 PEDOT：P（SS-co-VTMS）的稳定性是参考PEDOT：PSS的六倍。

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