期刊
CARBOHYDRATE POLYMERS
卷 174, 期 -, 页码 1026-1033出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2017.07.006
关键词
Cellulose; Poly(ethylene 2,5-furandicarboxylate); Composite; Crystallization; Thermal analysis; Extrusion
资金
- European community
Poly(ethylene 2,5-furandicarboxylate) (PEF), an emerging biobased polyester, was compounded with cellulose via twin-screw extrusion. Different extrusion parameters such as mixing time, screw speed and temperature were employed. Composite thin films containing 1, 2 and 4% cellulose w/w were prepared and compared with neat PEF films. The morphology of PEF/cellulose composites was examined by scanning electron microscopy (SEM) and the molecular weight after extrusion was controlled by means of size exclusion chromatography (SEC). The influence of the cellulose on both isothermal and non-isothermal crystallizations of PEF was investigated by differential scanning calorimetry (DSC). Crystallization is faster in presence of cellulose and the nucleating effect increases with the cellulose concentration. (C) 2017 Elsevier Ltd. All rights reserved.
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