耐磨自润滑热塑性聚酰亚胺复合材料研究  

Study on A Wear-resistant Self-lubricating Thermoplastic Polyimide Composite Material

作　　者：廖永江 何晓东 孔庆珊 LIAO Yong-jiang;HE Xiao-dong;KONG Qing-shan(CGN Advanced Materials Technology(Suzhou)Co.,Ltd.,Jiangsu Suzhou 215400,China)

机构地区：[1]中广核高新核材科技(苏州)有限公司,江苏苏州215400

出　　处：《广州化工》2021年第11期50-53,共4页GuangZhou Chemical Industry

摘　　要：采用双螺杆共混挤出的方法,在热塑性聚酰亚胺中加入有机或无机填料进行改性研究,通过加入①PTFE、石墨、二硫化钼等填料;②碳纤维、玻璃纤维、金属晶须等填料;③其他高分子树脂,制备具有耐磨、自润滑特性的高性能聚酰亚胺复合材料。并对不同配方体系进行熔指、拉伸及弯曲性能、缺口冲击强度等表征,以获得综合性能优越、成本低廉、工艺性能优秀的耐磨自润滑热塑性聚酰亚胺复合材料。Using a twin-screw blending extrusion method,organic or inorganic fillers were added to the thermoplastic polyimide resin for modification research.Throughadding PTFE,graphite,molybdenum disulfide and other fillers,carbon fiber,glass fiber,metal whiskers and other fillers,other polymer resins,high-performance polyimide composite modified materials with self-lubricating properties were prepared.Different formulation systems,such as melt mass-flow rate,tensile and bending properties,notched impact strength,etc.,were characterized,to obtain a wear-resistant self-lubricatingthermoplastic polyimide composite material with superior comprehensive performance,low costand excellent process performance.

关 键 词：耐磨 自润滑 热塑性聚酰亚胺 

分 类 号：TQ324.8[化学工程—合成树脂塑料工业]