Super-heat resistant, transparent and low dielectric polyimides based on spirocyclic bisbenzoxazole diamines with <i>T</i><sub>g</sub>

Super-heat resistant, transparent and low dielectric polyimides based on spirocyclic bisbenzoxazole diamines with T_g > 450 °C

Published:2022 Issue:24 Volume:13 Page:3660-3669
ISSN:1759-9954
Container-title:Polymer Chemistry
language:en
Short-container-title:Polym. Chem.

Author:

Xiao Peng¹,He Xiaojie¹,Zheng Feng¹,Lu Qinghua¹²^ORCID

Affiliation:

1. School of Chemical Science and Technology, Tongji University, Siping Road No. 1239, Shanghai, 200092, China

2. Shanghai Key Lab of Electrical & Thermal Aging, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Dongchuan Road No. 800, Shanghai, 200240, China

Abstract

A series of isomers with a spiro-ring structure connecting two benzoxazole rings were synthesized, and their corresponding polyimides showed high heat resistance (Tg = 491 °C) and transparency (T550 nm = 90%).

Funder

National Natural Science Foundation of China

Shanghai Key Basic Research Program

Publisher

Royal Society of Chemistry (RSC)

Subject

Organic Chemistry,Polymers and Plastics,Biochemistry,Bioengineering

Link

http://pubs.rsc.org/en/content/articlepdf/2022/PY/D2PY00513A

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