Colorless polyimides from 2,2′,3,3′-biphenyltetracarboxylic dianhydride and fluorinated diamines

[Display omitted] •High-molecular-weight CPIs were prepared using 3,3′-BPDA and fluorinated diamines.•3,3′-BPDA-derived CPIs showed high d-spacing values due to the twisted structures.•3,3′-BPDA-derived CPIs were highly soluble in common organic solvents.•3,3′-BPDA-derived CPIs exhibited high Tg of...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Veröffentlicht in:	European polymer journal 2022-10, Vol.179, p.111528, Article 111528
Hauptverfasser:	Xu, Yuanzhen, Zhang, Mengru, Pang, Yuanyuan, Zheng, Tianyue, Zhang, Li, Wang, Zhen, Yan, Jingling
Format:	Artikel
Sprache:	eng
Schlagworte:	2,2′,3,3′-Biphenyltetracarboxylic dianhydride Chains Charge transfer Chemical synthesis Colorless polyimide Cut off wavelength Diamines Dianhydrides Fluorinated diamine Fluorination Glass transition temperature Heat transfer High temperature Mechanical properties Molecular weight Optical properties Optical transparency Polyimide resins Steric hindrance
Online-Zugang:	Volltext
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	[Display omitted] •High-molecular-weight CPIs were prepared using 3,3′-BPDA and fluorinated diamines.•3,3′-BPDA-derived CPIs showed high d-spacing values due to the twisted structures.•3,3′-BPDA-derived CPIs were highly soluble in common organic solvents.•3,3′-BPDA-derived CPIs exhibited high Tg of 287–414 °C and good thermal stability.•3,3′-BPDA-derived CPIs showed λ0 of
ISSN:	0014-3057 1873-1945
DOI:	10.1016/j.eurpolymj.2022.111528