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Thermal and crystallization behavior of poly(lactic acid) and poly(trimethylene terephthalate) blend fibers

TitleThermal and crystallization behavior of poly(lactic acid) and poly(trimethylene terephthalate) blend fibers
Publication TypeConference Proceedings
Year of Publication2556
Series Editorประยูร สุรินทร์
Conference NameANTEC® 2013 - Proceedings of the Technical Conference & Exhibition
Pagination2147-2150
Date PublishedJanuary 2013
PublisherAnnual Technical Conference - ANTEC, Conference Proceedings
Conference LocationCincinnati, Ohio, USA
ISBN978-1-68015-032-2
Abstract

Biodegradable poly(lactic acid) (PLA) and poly(trimethylene terephthalate) (PTT) blend fibers were blended in a twin screw extruder with varied contents of PTT from 0-50 wt%. The PLA/PTT blend fibers were spun by melt spinning technique. PLA/PTT blends were immiscible, which indicated by two melting temperature of PLA and PTT in the blends. However, PTT enhanced PLA crystallization in the blends. PLA fiber was glossy and transparent while PTT fiber was opaque. PLA/PTT blend fiber was successfully spun at PTT content of 10 wt% with the barrel temperature of 250 °C and would be used in textile application.