Effects of alkali treatment on the properties of WF/PLA composites

被引：10

作者：

Liu, Xiaojing ^{[1
]}

Lv, Shanshan ^{[1
]}

Jiang, Yang ^{[1
]}

Shi, Junyou ^{[2
]}

Tan, Haiyan ^{[1
]}

Gu, Jiyou ^{[1
]}

Zhang, Yanhua ^{[2
]}

机构：

[1] Northeast Forestry Univ, Coll Mat Sci & Engn, Harbin, Peoples R China

[2] Beihua Univ, Jilin Prov Key Lab Wooden Mat Sci & Engn, Jilin, Peoples R China

来源：

JOURNAL OF ADHESION SCIENCE AND TECHNOLOGY | 2017年 / 31卷 / 10期

基金：

中国博士后科学基金; 中国国家自然科学基金;

关键词：

Wood flour (WF); properties and characterization; composites; extrusion; compatibilization; POLY(LACTIC ACID) PLA; MECHANICAL-PROPERTIES; POLYPROPYLENE COMPOSITES; POLYESTER COMPOSITES; TENSILE PROPERTIES; JUTE FIBER; BIOCOMPOSITES; DEGRADATION; POLYMERS; BEHAVIOR;

D O I：

10.1080/01694243.2016.1248703

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

In this study, composites of thermoplastic poly (lactic acid) filled with wood flour (WF) were prepared via melt extrusion. Before that, alkali treatment was performed on WF to improve the properties of the WF/PLA composite materials. The effect of the solution concentrations of NaOH, namely 0.5, 1.0, 5.0, and 10.0%, on mechanical properties of the composites was evaluated. The results showed that the properties of the composites with treated WF were enhanced greatly compared with that of the untreated composites. The composites had a best improvement in its compatibility and mechanical strength when the concentration of NaOH solution was 5.0%. The brittle fracture of composites showed that the chemical modification of WFs improved the compatibility between the filler and matrix.

引用

页码：1151 / 1161

页数：11

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