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偶联剂对HDPE基竹塑复合材料性能的影响(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2014年06期
Page:
110-114
Column:
研究论文
publishdate:
2014-12-09

Article Info:/Info

Title:
Effect of MAH-g-PP on properties of bamboo flour(BF)/high density polyethylene(HDPE)composites
Article ID:
1000-2006(2014)06-0110-05
Author(s):
HE Wen1 Nguyen Thi Huong Giang12 JIANG Shenxue1 ZHANG Qisheng1
1. College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037,China;
2. Product Processing Department of Vietnam Forestry University, Hanoi 156204, Vietnam
Keywords:
BF/HDPE composites MAH-g-PP hygroscopicity esterification reaction
Classification number :
TS721
DOI:
10.3969/j.issn.1000-2006.2014.06.021
Document Code:
A
Abstract:
In this work, maleic anhydride grafted polypropylenee(MAH-g-PP)as coupling agent was added to high density polyethylene(HDPE)and bamboo flour(BF)composites which were processed by internal mixer and hot-pressing technology. The results showed that the properties of composites were significantly improved after adding MAH-g-PP. The optimum additive amount is 5%, at this level, the values of hygroscopicity and water absorption of composites were the smallest, and the values of modulus of rupture(MOR)and modulus of elasticity(MOE)were increased by 68% and 30.4%, respectively. The tensile strength and impact strength were increased by 53.7% and 75%, respectively. However, when the additive amount of MAH-g-PP reached 8%, the values of MOR, tensile strength and impact strength decreased. Fourier transform infrared spectroscopy(FTIR)confirmed that the grafting reaction happened between free hydroxyls of bamboo flour and acid anhydride of MAH-g-PP.

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Last Update: 2014-12-31