当前位置: X-MOL 学术ACS Sustain. Chem. Eng. › 论文详情
Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)
Preparation of Poly(guaiacol methacrylate-methyl methacrylate) Dielectric Films through Biobased Origin Guaiacol
ACS Sustainable Chemistry & Engineering ( IF 7.1 ) Pub Date : 2024-02-07 , DOI: 10.1021/acssuschemeng.3c07286
Leipeng Liu 1 , Haochen Yun 1 , Xiaofei Chen 1 , Yuanduo Duan 1 , Zhe Ji 1 , Shenghua Lv 1 , Yuehong Zhang 1
Affiliation  

Film capacitors make extensive use of polymer dielectrics. However, most of the currently studied dielectric film substrate feedstocks are from fossil energy sources. Herein, a series of biobased dielectric copolymers poly(guaiacol methacrylate-methyl methacrylate) [P(GEMA-MMA)] originating from the biobased origin guaiacol have been reported. P(GEMA-MMA) was produced by copolymerizing GEMA and MMA. Anew type of dielectric film with excellent comprehensive performance was obtained. The guaiacol structure in the copolymer has higher HOMO levels that could take charge traps and capture free charge carriers in the polymer, thus endowing the polymer with excellent energy storage performance. P(GEMA-MMA)-1:7 possess a high breakdown strength Eb of 710.5 MV/m at room temperature, which was 32.5% higher than that of pure PMMA. The charge–discharge efficiency was 87.0% at 500 MV/m, which was much higher than that of pure PMMA (70% under 500 MV/m). Even at 100 °C, the energy storage efficiency of P(GEMA-MMA)-1:7 still can be maintained at a high level of 84.7%. This work offers a practical method for producing biobased dielectric films with outstanding all-round performance.

中文翻译:

生物基愈创木酚制备聚愈创木酚甲基丙烯酸酯-甲基丙烯酸甲酯介电薄膜

薄膜电容器广泛使用聚合物电介质。然而,目前研究的大多数介电薄膜基材原料都来自化石能源。本文报道了一系列源自生物基愈创木酚的生物基介电共聚物聚(愈创木酚甲基丙烯酸酯-甲基丙烯酸甲酯)[P(GEMA-MMA)]。P(GEMA-MMA)是由GEMA和MMA共聚而成。获得了一种综合性能优异的新型介电薄膜。共聚物中的愈创木酚结构具有较高的HOMO能级,可以捕获聚合物中的电荷陷阱并捕获自由载流子,从而赋予聚合物优异的储能性能。P(GEMA-MMA)-1:7在室温下具有710.5 MV/m的高击穿强度E b ,比纯PMMA高32.5%。500 MV/m 时充放电效率为 87.0%,远高于纯 PMMA(500 MV/m 时为 70%)。即使在100℃时,P(GEMA-MMA)-1:7的储能效率仍能保持在84.7%的高水平。这项工作为生产具有优异综合性能的生物基介电薄膜提供了一种实用方法。
更新日期:2024-02-07
down
wechat
bug