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

Xin Ying Lv; Yan Hua Zhang; Ming Wei Di; Zhen Hua Gao

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

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 391-392Effect of Different Compatibilizing Agents on the...

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

Abstract:

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.

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Periodical:

Advanced Materials Research (Volumes 391-392)

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143-146

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.391-392.143

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Online since:

December 2011

Authors:

Xin Ying Lv, Yan Hua Zhang, Ming Wei Di, Zhen Hua Gao

Keywords:

Compatibility, Lignin, Polyethylene

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