聚酰亚胺的合成及其SiO_2复合材料摩擦磨损性能研究  

Synthesis of polyimide and friction and wear properties of polyimide/SiO_2 composite materials

作　　者：张春红[1,2] 王莹[1] 苏广东[1] 王静莹 杨明[1] 陈辉[2] 

机构地区：[1]哈尔滨工程大学材料科学与化学工程学院,黑龙江哈尔滨150001 [2]哈尔滨玻璃钢研究院,黑龙江哈尔滨150036

出　　处：《化学工程师》2016年第10期1-4,共4页Chemical Engineer

基　　金：国家自然科学基金(资助号51373044)

摘　　要：以2,3',4,4'-联苯四酸二酐、4,4'-二氨基二苯甲烷和4-苯乙炔基苯酐为原料合成聚酰亚胺(PI)树脂,采用红外光谱对其结构进行了表征。采用SiO_2为耐磨改性剂,对聚酰亚胺进行改性,制备PI/SiO_2复合材料,研究其摩擦磨损性能,结果表明当SiO_2含量为10%时,PI/SiO_2复合材料具有较好的摩擦磨损性能,摩擦系数为0.145,磨损量为3.8mg。Polyimide （P I） resin was successfully synthesized using 2,3,3＇,A＇-biphenyhetracarboxylic dianhy-ride, 4,4A＇-diaminodiphenylmethane and 4-phenylethynyl phthalic anhydride as raw materials. The structure of the polyimide resin was characterized by IR spectroscopy. SiO2 was used as an abrasion resistance modifier to prepare PI/SiO2 composites, friction and wear ptoperties of PI/SiO2 composites were investigated. The results indicated that PI/SiO2 composite material showed good friction and wear properties when the SiO2 content was 10（w）%, friction coefficient is 0.145, the wear quantity is 3.8 mg.

关 键 词：聚酰亚胺 复合材料 二氧化硅 摩擦磨损 

分 类 号：TQ323.7[化学工程—合成树脂塑料工业]