Properties of heat-treated sisal fiber/polylactide composites

被引：16

作者：

Huang, Can-Jun ^{[1
,2
,3
]}

Li, Xiang-Li ^{[1
,2
]}

Zhang, Ye-Qing ^{[1
,2
]}

Feng, Yan-Hong ^{[1
,2
]}

Qu, Jin-Ping ^{[1
,2
]}

He, He-Zhi ^{[1
,2
]}

Shen, Han-Zhi ^{[1
,2
]}

机构：

[1] S China Univ Technol, Natl Engn Res Ctr Novel Equipment Polymer Proc, Guangzhou 510641, Guangdong, Peoples R China

[2] S China Univ Technol, Key Lab Polymer Proc Engn, Minist Educ, Guangzhou 510641, Guangdong, Peoples R China

[3] Guangdong Tech Coll Water Resources & Elect Engn, Dept Mech Engn, Guangzhou, Guangdong, Peoples R China

来源：

JOURNAL OF THERMOPLASTIC COMPOSITE MATERIALS | 2015年 / 28卷 / 06期

基金：

中国国家自然科学基金;

关键词：

Heat treatment; sisal fiber; polylactide; composite; MECHANICAL-PROPERTIES; SPRUCE WOOD; FIBER;

D O I：

10.1177/0892705713495221

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

Sisal fibers (SFs) were pretreated by heat treatment (HT). The SFs were mixed with a biodegradable material, polylactide (PLA), and the composites were prepared by hot press molding. The effects of the HT temperature and time on the mechanical properties of the composites were investigated, and the HT mechanism was studied by scanning electron microscopy and infrared, x-ray photoelectron, and nuclear magnetic resonance spectroscopies. The results show that an appropriate HT can remove strongly hydrophilic materials such as hemicelluloses from the fibers, and thus decrease their hydrophilicity, thereby improving the retting between the fibers and the matrix. This improves fiber-matrix interfacial adhesion, which can improve the mechanical properties of the composites. The HT also influences the fiber strength to some extent and affects the mechanical properties of composites.

引用

页码：777 / 790

页数：14

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