High-Performance Copolymerized Poly(m-Phenylene Isophthalamide) (PMIA) Fibers Containing Ether Moiety: Preparation, Structure and Properties

Abstract:

Copolymerized poly (m-phenylene isophthalamide) (co-PMIA) fibers with excellent thermal stability and good mechanical properties were developed via solution polycondensation process based on m-phenylenediamine (MPD), isophthaloyl dichloride (IPC), and 3,4′-oxydianiline (3,4′-ODA). Effects of the ether moiety on the structure and properties of the copolymers were investigated. A series of co-PMIA nascent fibers were produced using wet-spinning method. The coagulation process to form co-PMIA nascent fibers were studied by examination of SEM and strength tester. The co-PMIA nascent fibers with the MPD/3,4′-ODA molar ratio of 8:2 showed an optimum dye uptake. Keywords: Copolymerization; High performance material; Wet spinning; Dyeability.

• Periodical: Materials Science Forum (Volume 960)
• Pages: 140-147
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.960.140
• Online since: June 2019
• Authors: Na Li, Xing Ke Zhang, Jun Rong Yu*, Yan Wang, Jing Zhu, Zu Ming Hu
• Keywords: Copolymerization, Dyeability, High Performance Material, Wet Spinning

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