Molecular Orientation in Melt-Spun P3HB Fibers

来源 :2015 International Conference on Advanced Fibers and Polymer | 被引量 : 0次 | 上传用户：yangyng

【摘要】

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【作者】

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Rudolf Hufenus Felix A.Reifler María P.Fernández-Ronco

【机构】

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Empa,Swiss Federal Laboratories for Materials Science and Technology,Switzerland

【出处】

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2015 International Conference on Advanced Fibers and Polymer

【发表日期】

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2015年5期

【关键词】

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Melt-spinning biopolyester biopolymer processing wide-angle X-ray diffraction

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OBJECTIVE The aim of this work was to develop an upscalable meltspinning method for high-strength P3HB fibers by studying the effects of additives and filament drawing on fiber performance.The additives were analyzed either in combination with P3HB powder extracted from bacteria or using pellets extruded from native polymer powder.In order to address the poor melt strength and the particular crystallization behavior of P3HB,the godet set-up of our draw-off unit was modified.Finally,the physical and structural properties of the produced filaments were characterized and compared to those of conventional fibers.

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