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防腐剂预处理玉米秸秆皮/HDPE复合材料 制备及其力学性能研究(PDF)

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

Issue:
2016年03期
Page:
137-142
Column:
研究论文
publishdate:
2016-05-18

Article Info:/Info

Title:
Fabrication and properties of preservative pretreated corn stalk fiber/HDPE composites
Article ID:
1000-2006(2016)03-0137-06
Author(s):
HUI Dongxue HAN Guangping* CHENG Wanli
Key Laboratory of Bio-based Material Science&
Technology of Ministry of Education, College of Materials Science and Technology, Northeast Forestry University,Harbin 150040,China
Keywords:
corn stalk fiber high-density polyethylene(HDPE) alkaline copper quaternary(ACQ) zinc borate(ZB) composites mechanical properties
Classification number :
TU531.6
DOI:
10.3969/j.issn.1000-2006.2016.03.023
Document Code:
A
Abstract:
Corn stalk fibers(CSF)pretreated by different preservatives, and high density polyethylene(HDPE)plastic were mixed and melt-compounded with other additives using a twin-screw extruder, and then molded to produce CSF/HDPE composites. The effects of preservative type and concentration, and CSF loading amount on the mechanical properties of composites were examined using the scanning electron microscope(SEM)and Fourier transform infrared(FTIR). Experiment results indicated that, as the alkaline copper quaternary(ACQ)concentration in the preservative increased, the mechanical properties of the composites decreased. The optimum mechanical property of CSF/HDPE composites was obtained at a CSF content of 50% and ACQ concentration of 1%. When treated with zinc borate(ZB), the tensile strength of the composite increased with the increasing ZB concentration, but the flexural strength, flexural modulus and impact strength firstly increased and then decreased accordingly. In this case, the optimum mechanical property of CSF/HDPE composites was obtained at a CSF content of 50% and ZB concentration of 2%.

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Last Update: 2016-06-30