Effect of Different Compatibilizing Agents on the Compatibility of Lignin/LDPE Composites

被引：2

作者：

Lv, Xinying ^{[1
]}

Zhang, Yanhua ^{[1
]}

Di, Mingwei ^{[1
]}

Gao, Zhenhua ^{[1
]}

机构：

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

来源：

CHEMICAL ENGINEERING AND MATERIAL PROPERTIES, PTS 1 AND 2 | 2012年 / 391-392卷

关键词：

Lignin; Polyethylene; Compatibility; Mechanical Properties; POLYETHYLENE;

D O I：

10.4028/www.scientific.net/AMR.391-392.143

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Lignin has been blended with low density polyethylene (LDPE). Maleic anhydride grafted high density polyethylene (HDPE-g-MAH) and Maleic anhydride grafted polypropylene (PP-g-MAH) have been added as compatibilizing agent. The weight ratio of LDPE, ligin and HDPE-a-MAH were 75:25:7.5, 75:25:10 and 75:25:12.5; the weight ratio of LDPE, ligin and PP-a-MAH were 75:25:5, 75:25:7.5 and 75:25:10 respectively. The mechanical properties of the blends were investigated according to Chinese standard GB/1447-2005 and compared with those of lignin/LDPE composites without compatibilizing agent. Scanning electron microscopy (SEM) was used to investigate the dispersion of the lignin and PE and the compatibilizing mechanism was analyzed. The results reveal that addition of compatibilizing agent increased the interfacial bonding strength of the composites, improved the mechanical properties and obtained the better dispersion of the lignin and LDPE with HDPE-g-MAH as compatibilizing agent.

引用

页码：143 / 146

页数：4

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