Valorisation of macroalgae industrial by-product as filler in thermoplastic polymer composites

被引：16
作者：
Bulota, Mindaugas [1 ]
Budtova, Tatiana [1 ]
机构：
[1] PSL Res Univ, UMR CNRS 7635, CEMEF Ctr Mise Forme Mat, Mines ParisTech, BP 207,CS 10207, Sophia Antipolis, France
来源：
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2016年 / 90卷
关键词：
Biocomposite; Mechanical properties; Seaweed by-products; MECHANICAL-PROPERTIES; THERMAL-PROPERTIES; BEHAVIOR; SEAWEED; FIBERS; ALGAE; BIOCOMPOSITES; MORPHOLOGY; POLY(L-LACTIDE); NANOCOMPOSITES;
D O I：
10.1016/j.compositesa.2016.07.010
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Poly(lactic acid) composites filled with algae industrial by-product were prepared using melt-mixing process at filler weight fractions of 20, 30 and 40 wt%. Algae by-products were after the extraction of alginate (AW) and mixed with diatomaceous earth (DE). The composition and morphology of both fillers were analysed. Composites' mechanical properties and thermal degradation were investigated as a function of filler type and content. The addition of DE-filler at 40 wt% resulted in the increase of Young's modulus by 20% compared to the neat PLA. The presence of small DE particles improved stress distribution and led to stronger composites as compared with AW-filled. Cold crystallization of PLA was induced by small algae particles. Thermal degradation of all composites started at lower temperatures compared with neat PLA. A glow-wire test was carried out to evaluate the effect of inorganic matter on the ignition of the material. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：271 / 277
页数：7
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