异氰酸酯改性空心玻璃微珠/硬质聚氨酯泡沫的制备  

Fabrication of rigid polyurethane foams with isocyanate modified hollow glass microspheres

作　　者：刘冬[1,2,3] 邹龙庆 张宏斌[1,2,3] 兰天宇[4] LIU Dong;ZOU Long-qing;ZHANG Hong-bin;LAN Tian-yu(School of Mechanical Science and Engineering,Northeast Petroleum University,Daqing 163318,China;School of Mechanical and Electronic Engineering,Qiqihar University,Qiqihar 161006,China;Heilongjiang Provincial Collaborative Innovation Center for Intelligent Manufacturing Equipment Industrialization,Qiqihar 161006,China;School of Materials Science and Engineering,Qiqihar University,Qiqihar 161006,China)

机构地区：[1]东北石油大学机械科学与工程学院,黑龙江大庆163318 [2]齐齐哈尔大学机电工程学院,黑龙江齐齐哈尔161006 [3]黑龙江省智能制造装备产业化协同创新中心,黑龙江齐齐哈尔161006 [4]齐齐哈尔大学材料科学与工程学院,黑龙江齐齐哈尔161006

出　　处：《现代化工》2022年第9期160-164,169,共6页Modern Chemical Industry

基　　金：黑龙江省省属高等学校基本科研业务费科研项目(145109125)。

摘　　要：利用异氰酸苯酯(MDI)对空心玻璃微珠(HGMS)表面进行修饰,通过溶液共混法制得HGMS-NCO材料,并将其作为硬质聚氨酯泡沫(RPUF)的增强填料制备HGMS-NCO/RPUF复合泡沫。利用红外光谱(FT-IR)和扫描电子显微镜(SEM)对所合成的HGMS-NCO材料进行表征。HGMS-NCO/RPUF复合泡沫的压缩试验结果表明,与纯RPUF相比,HGMS-NCO/RPUF(25%)的表观密度、压缩强度分别提高了35.18%和48.62%。此外,HGMS-NCO的加入提高了RPUF泡沫的热稳定性。HGMS-NCO/RPUF的吸水率和导热系数随填料质量的增加呈现先减小后增大的趋势,添加25%泡沫的吸水率为3.4%,导热系数为0.023 82 W/(m·K)。HGMS-NCO is obtained through modifying hollow glass microspheres(HGMS) surface by phenyl isocyanate(MDI) and solution blending method, and used as an enhanced filler for hard polyurethane foam(RPUF) to prepare HGMS-NCO/RPUF composite foam.HGMS-NCO is characterized by means of infrared spectroscopy(FT-IR) and scanning electron microscopy(SEM).The results from the compression test of HGMS-NCO/RPUF composite foam show that the apparent density and compression intensity of HGMS-NCO/RPUF(25 wt%) are 35.18% and 48.62% respectively higher than that of pure RPUF.Furthermore, the addition of HGMS-NCO improves the thermal stability of RPUF foam.The water absorption rate and thermal conductivity of HGMS-NCO/RPUF foam decrease firstly and increase then with the increasing mass content of fillings.HGMS-NCO/RPUF foam with an fillings addition of 25 wt% can absorb 3.4% of water, and has a thermal conductivity of 0.023 82 W·m·K.

关 键 词：异氰酸酯 空心玻璃微珠 硬质聚氨酯泡沫 压缩强度 

分 类 号：TQ328.3[化学工程—合成树脂塑料工业]