偶联剂对HDPE基竹塑复合材料性能的影响

doi:10.3969/j.issn.1000-2006.2014.06.021

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南京林业大学学报（自然科学版） ›› 2014, Vol. 38 ›› Issue (06): 110-114.doi: 10.3969/j.issn.1000-2006.2014.06.021

偶联剂对HDPE基竹塑复合材料性能的影响

何文¹,阮氏香江^1,2,蒋身学¹,张齐生¹

1. 南京林业大学材料科学与工程学院,江苏南京 210037;
2. 越南林业大学林产加工学院,越南河内 156204

出版日期:2014-12-31 发布日期:2014-12-31
基金资助:
收稿日期:2014-01-26 修回日期:2014-09-08
基金项目:南京林业大学高层次人才引进基金项目(163020097); “十二五”国家科技支撑计划(2012BAD30B01); 江苏高校优势学科建设工程资助项目(PAPD)
第一作者:何文,讲师,博士。E-mail: hewen2011@njfu.edu.cn。
引文格式:何文,阮氏香江,蒋身学,等. 偶联剂对HDPE基竹塑复合材料性能的影响[J]. 南京林业大学学报:自然科学版,2014,38(6):110-114.

Effect of MAH-g-PP on properties of bamboo flour(BF)/high density polyethylene(HDPE)composites

HE Wen¹, Nguyen Thi Huong Giang^1,2, 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

Online:2014-12-31 Published:2014-12-31

摘要/Abstract

摘要： 以高密度聚乙烯(HDPE)、竹粉(BF)为原料,马来酸酐接枝聚丙烯(MAH-g-PP)作为偶联剂,通过混炼、平板热压成型制备竹粉/HDPE复合材料,研究了马来酸酐接枝聚丙烯添加量(0、2%、5%、8%)对竹粉/HDPE复合材料吸湿性、吸水性、弯曲强度、拉伸强度以及抗冲击强度等性能的影响。结果表明:MAH-g-PP能显著改善竹粉/HDPE复合材料的吸湿、吸水性能,明显提高复合材料的力学性能; 当MAH-g-PP添加量为5%时,复合材料的吸湿、吸水率最低,静曲强度与弹性模量分别提高68%和30.4%,拉伸强度与抗冲击强度分别增长53.7%和75%; 而当MAH-g-PP添加量为8%时,复合材料的力学性能在一定程度上有所降低。红外光谱(FTIR)分析显示,添加MAH-g-PP后竹粉的游离羟基与马来酸酐之间发生了酯化反应。

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.

中图分类号:

TS721

何文,阮氏香江,蒋身学,等. 偶联剂对HDPE基竹塑复合材料性能的影响[J]. 南京林业大学学报（自然科学版）, 2014, 38(06): 110-114.

HE Wen, Nguyen Thi Huong Giang, JIANG Shenxue, ZHANG Qisheng. Effect of MAH-g-PP on properties of bamboo flour(BF)/high density polyethylene(HDPE)composites[J].Journal of Nanjing Forestry University (Natural Science Edition), 2014, 38(06): 110-114.DOI: 10.3969/j.issn.1000-2006.2014.06.021.

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偶联剂对HDPE基竹塑复合材料性能的影响

Effect of MAH-g-PP on properties of bamboo flour(BF)/high density polyethylene(HDPE)composites

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