混杂纤维/POE-g-MAH复合增强PA66耐磨材料
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摘要
采用双螺杆挤出机制备聚酰胺66(PA66)/碳纤维/玻璃纤维材料和PA66/碳纤维材料,另外加入相容剂马来酸酐接枝聚烯烃弹性体(POE–g–MAH)来改善相界面的相容性,同时评价其力学性能和摩擦磨损性能。结果表明:在碳纤维增强PA66材料的研究过程中引入玻璃纤维可降低最高界面温度并且使摩擦系数降低,有助于改善PA66材料的摩擦学性能,共混物的摩擦过程以磨粒磨损和粘着磨损为主。此外,在添加入玻璃纤维后,15%混杂纤维填充比15%碳纤维单独填充的PA66材料拉伸强度提高9.89%,冲击强度提高34.02%;而添加入20%混杂纤维与20%碳纤维单独填充的PA66材料相比,拉伸强度提高了71.65%,冲击强度提高了26.23%。
Polyamide66/carbon fiber(CF)/glass fiber blend(GF) and polyamide 66/CF blend were prepared by twin screw extrusion,and the maleic anhydride grafted polyolefin elastomer(POE-g-MAH) was added to improve the compatibility of the phase interface. Meanwhile,mechanical properties and friction properties of the blends were evaluated. The results show that GF can reduce the maximum interfacial temperature and the friction coefficient during the study of polyamide 66/CF materials,helpful to improve the tribological properties of PA66/CF materials. The friction of the blends is mainly abrasive wear and adhesive wear. In addition,after adding GF,tensile strength(15% hybrid fiber blend)increase by 9.89%,impact strength increase by 34.02%;otherwise tensile strength with 20% hybrid fiber increase by 71.65%,and impact strength increase by 26.23%.
Polyamide66/carbon fiber(CF)/glass fiber blend(GF) and polyamide 66/CF blend were prepared by twin screw extrusion,and the maleic anhydride grafted polyolefin elastomer(POE-g-MAH) was added to improve the compatibility of the phase interface. Meanwhile,mechanical properties and friction properties of the blends were evaluated. The results show that GF can reduce the maximum interfacial temperature and the friction coefficient during the study of polyamide 66/CF materials,helpful to improve the tribological properties of PA66/CF materials. The friction of the blends is mainly abrasive wear and adhesive wear. In addition,after adding GF,tensile strength(15% hybrid fiber blend)increase by 9.89%,impact strength increase by 34.02%;otherwise tensile strength with 20% hybrid fiber increase by 71.65%,and impact strength increase by 26.23%.
引文
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[3]张远庆,常杰,乔立军,等.原材料对铁路扣件绝缘轨距块低温性能的影响研究[J].铁道建筑,2015(2):129–133.Zhang Yuanqing,Chang Jie,Qiao Lijun,et al.Research on impacts of different material on the low temperature performance of Railway fastener insulation gauge block[J].Railway Construction,2015(2):129–133.
[4]王晓刚,范伟光,李红今,等.混杂纤维增强PA66复合材料扶正器的研究[J].工程塑料应用,2015(1):30–34.Wang Xiaogang,Fan Weiguang,Li Hongjin,et al.Investigation on hybrid fiber reinforced PA66 composite centralizer[J].Engineering Plastics Application,2015(1):30–34.
[5]别明智,李又兵,梁全才,等.矿用碳纤维复合尼龙6叶轮材料的研制[J].塑料工业,2013,41(12):66–68.Bie Mingzhi,Li Youbing,Liang Quancai,et al.Research on mining impeller composite material of nylon 6 and carbon fiber[J].China Plastics Industry,2013,41(12):66–68.
[6]张学锋,何杰,邵军,等.导热尼龙66复合材料的制备与性能研究[J].工程塑料应用,2014(5):34–37.Zhang Xuefeng,He Jie,Shao Jun,et al.Study on preparation and properties of thermally conductive nylon 66 Composites[J].Engineering Plastics Applications,2014(5):34–37.
[7]周少锋.碳纤维/尼龙6复合材料的改性与摩擦磨损特性研究[D].武汉:武汉理工大学,2012.Zhou Shaofeng.Research on modification and friction and wear properties of carbon fiber/nylon 6 Composites[D].Wuhan:Wuhan University of Technology,2012.
[8]陈显明.碳纤维的性能、发展及应用研究进展[J].印染助剂,2015,32(7):1–4.Chen Xianming.Research progress on properties,development and application of carbon fiber[J].Printing And Dyeing Auxiliaries,2015,32(7):1–4.
[9]邓爵安,郝源增.碳纤维改性热塑性树脂研究进展[J].广州:广州化工,2015(8):22–24.Deng Juean,Hao Yuanzeng.Research progress on modified thermoplastic resin with carbon fibre[J].Guangzhou:Guangzhou Chemical Industry,2015(8):22–24.
[10]晓阳.西格里联合巴斯夫完成创新聚酰胺碳纤维复合系统研究[J].国外塑料,2015,33(3):62–63.Xiao Yang.BASF and SGL Group on the way to reactive polyamidecarbon fibre composites[J].Foreign Plastics,2015,33(3)62–63.
[11]胥成.马来酸酐接枝POE的制备及其对塑料增韧增容研究[D].上海:上海大学,2006.Xu Cheng.Preparation of POE grafted with maleic anhydride and study on plastic toughening and increasing capacity[D].Shanghai:Shanghai University,2006.
[12]张显果,孙春燕,朱帅甫,等.CF表面处理对PA66/CF复合材料性能的影响[J].工程塑料应用,2014(8):82–86.Zhang Xianguo,Sun Chunyan,Zhu Shuaifu,et al.Impact of surface modification of carbon fiber on properties of PA66/CF composites[J].Engineering Plastics Application,2014(8):82–86.
[13]李涛,诸静,郝旭峰,等.碳纤维增强复合材料高韧性化技术及应用研究[J].宇航材料工艺,2015,45(1):33–36.Li Tao,Zhu Jing,Hao Xufeng,et al.High toughened technology and applied research on carbon fiber reinforced composites[J].Aerospace Materials Technology,2015,45(1):33–36.