Abstract
A series of phosphorus-containing poly (hexamethylene 2,5-furandicarboxylate)s (PHFCs) were synthesized from available biobased 2,5-furandicarboxylic acid (FDCA), 1,6-hexanediol (HDO), and 2-carboxyethyl (phenyl)phosphinic acid (CEPPA). Microstructure, molecular weight and its distribution, crystallization behavior, thermal, mechanical and flame retardant properties were characterized. Moreover, the effects of composition on various properties were investigated systematically. All PHFCs exhibited the excellent thermal stability. Glass transition temperature of PHFC slightly decreased with the increasing of CEPPA. Furthermore, nano-TiO2 not only improved the molten drops phenomenon, but also increased the crystallization rate. The limiting oxygen index of PHFC with 10 mol% CEPPA and 1 wt% TiO2 was 26% and UL94V-0 rating was obtained.
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