Short sisal fibre reinforced bacterial cellulose polylactide nanocomposites using hairy sisal fibres as reinforcement

被引：54

作者：

Lee, Koon-Yang ^{[1
]}

Bharadia, Puja ^{[1
]}

Blaker, Jonny J. ^{[1
]}

Bismarck, Alexander ^{[1
]}

机构：

[1] Univ London Imperial Coll Sci Technol & Med, Dept Chem Engn, Polymer & Composite Engn PaCE Grp, London SW7 2AZ, England

来源：

COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2012年 / 43卷 / 11期

基金：

英国工程与自然科学研究理事会;

关键词：

Fibres; Mechanical properties; Polymer-matrix composites (PMCs); Bacterial cellulose; NATURAL FIBERS; HIERARCHICAL COMPOSITES; MECHANICAL-PROPERTIES; SURFACE MODIFICATION; BEHAVIOR; DEFORMATION; ANISOTROPY; ACID);

D O I：

10.1016/j.compositesa.2012.06.013

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

"Hairy" bacterial cellulose coated sisal fibres were created using a simple slurry dipping process. Neat sisal fibres were coated with BC to create (i) a dense BC coating around the fibres or (ii) "hairy" fibres with BC oriented perpendicular to the fibre surface. These fibres were used to produce hierarchical sisal fibre reinforced BC polylactide (PLLA) nanocomposites. The specific surface area of the BC coated fibres increased when compared to neat sisal. Single fibre tensile tests revealed no significant difference in the tensile modulus and tensile strength of "hairy fibres". However, when sisal fibres were coated with a dense BC layer, the mechanical fibre properties decreased. The tensile, flexural and visco-elastic properties of the hierarchical PLLA nanocomposites reinforced by both types of BC coated sisal fibres showed significant improvements over neat PLLA. (c) 2012 Elsevier Ltd. All rights reserved.

引用

页码：2065 / 2074

页数：10

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