不同无机纳米颗粒增强硬质聚氨酯的性能对比  

Performance of Rigid Polyurethane with Different Inorganic Nanoparticles

作　　者：塔力哈特·吾拉孜别克 贾非 孙东磊 尹宗琦 薛峰 王泽鹏 TALIHATE Wulazibieke;JIA Fei;SUN Donglei;YIN Zongqi;XUE Feng;WANG Zepeng(School of Ocem Science and Techndogy,Dalian University of Technology,Panjin 124221,China)

机构地区：[1]大连理工大学海洋科学与技术学院,辽宁盘锦124221

出　　处：《塑料工业》2023年第8期112-116,共5页China Plastics Industry

基　　金：国家重点研发计划资助(2019YFB1504303);国家自然基金资助项目(U1906233)。

摘　　要：采用原位聚合的方法制备了不同无机纳米颗粒(二氧化硅、二氧化钛、埃洛石纳米管、蒙脱土)增强聚氨酯复合材料,研究了不同无机纳米颗粒增强聚氨酯材料对力学性能和防水性能的影响以及纳米颗粒在基体中的分布情况。结果表明,四种无机纳米颗粒在不同程度上提升了硬质聚氨酯的力学性能,其中含有1%二氧化硅(SiO_(2))和1%埃洛石纳米管(HNT)的聚氨酯基复合材料提升效果比较明显,相比于硬质聚氨酯,它们的拉伸强度分别提高了约14%和10%,断裂伸长率分别提高了约32.2%和29.7%;但是疏水性方面的提升效果并不显著。Different inorganic nanoparticles,such as,silica(SiO_(2)),titanium dioxide,halloy site nanotubes(HNTs),montmorillonite reinforced polyurethane composites were prepared by in-situ polymerization.The effects of different inorganic nanoparticles on the mechanical properties and waterproof properties of rigid polyurethane materials as well as the distribution of nanoparticles were studied.The results show that four kinds of inorganic nanoparticles could improve the mechanical properties of the rigid polyurethane to different degrees.The polyurethane composites with 1%SiO_(2) and 1%HNTs have more obvious improving effects.Comparing with rigid polyurethane,its tensile strength is increased by about 14%and 10%,and the elongation at break is increased by about 32.2%and 29.7%,respectively.However,the improvement in hydrophobicity is not significant.

关 键 词：聚氨酯 无机纳米颗粒 复合材料 力学性能 

分 类 号：TQ323.8[化学工程—合成树脂塑料工业]