有机硅/纳米二氧化钛复合改性聚氨酯的制备与性能研究  

Study on Preparation and Properties of Organosilicone/Nano-Titanium Dioxide/Polyurethane Composite

作　　者：夏侯国论[1] XIAHOU Guo-lun(Scientific Research Office, Guangzhou City Polytechnic, Guangzhou 510405, China)

机构地区：[1]广州城市职业学院科研处,广东广州510405

出　　处：《广州城市职业学院学报》2021年第3期73-78,共6页Journal Of Guangzhou City Polytechnic

基　　金：广东省普通高校特色创新项目(自然科学)“硅季铵盐/纳米氧化锌/聚氨酯抗菌复合材料的制备和性能研究”(编号:2020KTSCX290)。

摘　　要：采用γ-氨丙基三乙氧基硅烷对纳米二氧化钛进行了表面修饰,并用其制备了有机硅/纳米二氧化钛复合改性聚氨酯。通过比较,探讨了有机硅和纳米二氧化钛对聚氨酯材料的热学、力学、表面性能及抗老化性的影响。结果表明,采用有机硅和纳米二氧化钛共同改性聚氨酯可以提高材料的抗老化性等多种性能。The surface modification of nano-titanium dioxide was carried out byγ-aminopropyl triethoxysilane,then the organosilicone/nano-titanium dioxide/polyurethane composite was prepared.The effects of organosilicone and nano-titanium dioxide on the thermal,mechanical,surface properties and anti-aging properties of polyurethane materials were investigated.The results show that the polyurethane modified by organosilicone and nano-titanium dioxide can improve various properties such as aging resistance of the material.

关 键 词：聚氨酯 有机硅 纳米二氧化钛 抗老化 

分 类 号：O631[理学—高分子化学]