Dispersion and characteristics of surfactant modified cellulose whiskers nanocomposites

被引：196
作者：
Bondeson, Daniel [1 ]
Oksman, Kristiina [1 ,2 ]
机构：
[1] Norwegian Univ Sci & Technol, Dept Engn Design & Mat, NO-7491 Trondheim, Norway
[2] Lulea Univ Technol, Div Manufacturing & Design Wood & Bionanocomposit, SE-93187 Skelleftea, Sweden
来源：
COMPOSITE INTERFACES | 2007年 / 14卷 / 7-9期
关键词：
biopolymer; cellulose; extrusion; nanostructures; surfactant; mechanical properties;
D O I：
10.1163/156855407782106519
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
Biodegradable nanocomposites based on 5 wt% cellulose nanowhiskers (CNW) and polylactic acid (PLA) were prepared using an extrusion process. An anionic surfactant (5, 10 and 20 wt%) was used to improve the dispersion of the CNW m the PLA matrix. The results showed that increased surfactant content resulted in improved dispersion but at the same time degraded the PLA matrix. The results from mechanical testing showed a maximum modulus for the composite with 5 wt% surfactant and as the surfactant content increased, the CNW dispersion improved and the tensile strength and elongation at break was improved compared to its unreinforced counterpart.
引用
收藏
页码：617 / 630
页数：14
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