木粉
材料科学
艾氏冲击强度试验
极限抗拉强度
复合材料
扫描电子显微镜
出处
期刊:China Plastics
日期:2007-01-01
摘要
Microwave(MW)treated wood flour was added into poly(vinyl chloride)(PVC)matrix leading to PVC/wood-flour composites.Effects of MW treating on the Izod notched impact strength and tensile strength of the composites were investigated.By MW treating of wood flour in de-ionized water, the Izod notched impact strength increased by 13.79%~28.41%,and tensile strength by 5.87%~ 27.14%.This MW treating method was extended to treat wood flour in an acryl amide(AM)solu- tion,and FTIR showed that grafting reaction between wood flour and AM occurred during MW treat- ing.Fractured surfaces were examined by scanning electron microscope,which indicated that MW treated wood flour composites had a better compatibility with PVC than untreated ones.
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