Soluble polyarylate with high thermal stability and low-k at high frequency

被引：8

作者：

Guan, Xinghua ^{[1
]}

Ma, Zhifang ^{[1
]}

Xiang, Zehong ^{[1
]}

Ke, Yue ^{[1
]}

Xia, Yu ^{[1
]}

Nie, Heran ^{[3
]}

Zhou, Guangyuan ^{[3
]}

Shi, Qiang ^{[1
,2
]}

Yin, Jinghua ^{[1
]}

机构：

[1] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China

[2] Soochow Univ, Key Lab Polymer Mat Design & Synth Biomed Funct, Suzhou 215123, Peoples R China

[3] Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116000, Liaoning, Peoples R China

来源：

MATERIALS LETTERS | 2022年 / 324卷

基金：

中国国家自然科学基金;

关键词：

Semi -fluorinated polyarylate; Thermal properties; Dielectrics; Thin films;

D O I：

10.1016/j.matlet.2022.132789

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

To obtain high thermally stable and low dielectric materials, a semi-fluorinated polyarylate (CPAR-F) based on phenolphthalein and tetrafluoroterephthalic chloride is synthesized via a facile low temperature solution polymerization. CPAR-F is demonstrated to have excellent heat resistance with 5% weight loss temperature (T5d) at 473 degrees C and high glass transition temperature (300 degrees C), as well as high solubility and mechanical properties. In particularly, CPAR-F possesses low dielectric constant of 2.5 at a high frequency of 10 GHz, good hydrophobicity and low water uptake, indicating this CPAR-F exhibits potential applications for fabrication of devices used in 5G communication.

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页数：4

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