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[1]曹 宏,张小莉,刘冰洋,等.微硅粉/聚丙烯复合材料制备与表征[J].武汉工程大学学报,2014,(03):29.
　CAO Hong*,ZHANG Xiao-li,LIU Bing-yang,et al.Preparation and characterization of microsilica / polypropylene composite[J].Journal of Wuhan Institute of Technology,2014,(03):29.
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微硅粉/聚丙烯复合材料制备与表征()
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2014年03期
页码:
29
栏目:
出版日期:
2014-03-31

文章信息/Info

Title:
Preparation and characterization of microsilica / polypropylene composite
作者:
曹 宏; 张小莉; 刘冰洋; 张英英; 李 丹; 吴 庭
(1. 武汉工程大学材料科学与工程学院,湖北 武汉430074; 2. 国家磷资源开发利用工程技术研究中心(武汉工程大学)
Author(s):
CAO Hong1; 2*;  ZHANG Xiao-li1;  LIU Bing-yang1;  ZHANG Ying-ying1;  LI Dan1;  WU Ting1
(1. School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan 430074, China 2. National Engineering Research Center of Phosphate Resource Development and Utilization(Wuhan Institute of Technology), Wuhan 430074, China)
关键词:
微硅粉; 聚丙烯; 复合材料; 制备; 表征
Keywords:
silica fume;  polypropylene;  composite materials;  preparation;  characterization
分类号:
TU532+.2
DOI:
-
文献标志码:
A
摘要:
低温煅烧微硅粉并用硅烷偶联剂Si69对其进行改性，再分别将未改性和改性微硅粉作为无机填料与聚丙烯混合后制备复合材料。未改性微硅粉掺入量为复合材料总质量的2%，改性微硅粉掺入量分别为总质量的1%、2%、3%、4%及5%，并分别在155℃、168℃、175℃温度下制备试样。测试各试样的拉伸强度、断裂伸长率、弯曲强度、冲击强度，观察其断裂面的形貌，并进行红外检测，研究改性微硅粉在不同掺量下对聚丙烯性能的影响。结果表明：改性微硅粉占复合材料质量分数的2%时复合材料的拉伸强度、弯曲强度及冲击强度得到改善；未改性或改性微硅粉加入量大于4%时会降低以上强度；用热压成型制备试样时，温度高于168℃即可成型良好。
Abstract:
Silica fume was modified by low temperature calcination using Si69 as a silane coupling agent. Unmodified and modified silica fumes as an inorganic filler were mixed with polypropylene to prepare composite materials. Unmodified silica fume accounted for 2% of the total mass of the composite material, and modified silica fume respectively accounted for 1%, 2%, 3%, 4%, 5%. The samples of the composite material were all prepared at 155 ℃, 168 ℃ and 175 ℃.The effect of different contents of modified silica fume on the polypropylene performance was analyzed, each sample’s tensile strength, elongation at break, flexural strength and impact strength were tested and the morphology of each fracture surface was observed. Furthermore, the samples were all detected by infrared. The results show that the tensile strength, flexural strength燼nd the impact strength of the composite material obtain the best爄mprovement when the content of modified爏ilica fume爄s 2%;but they reduce when the added modified or unmodified silica fumes are over 4%; the samples prepared by hot pressing form better when the temperature is higher than 168 ℃

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备注/Memo

备注/Memo:
基金项目：国家科技支撑计划项目（2013BAB07B05）；国家自然科学基金项目（71303180）*收稿日期：2014-01-10
作者简介：曹 宏（1965-）， 男，江苏盐城人，教授，博士．研究方向：新型碳材料与胶凝材料．
更新日期/Last Update: 2014-03-12