节点文献

PUT/SiO2复合材料的制备与表征

Preparation and Characterization of Novel PUT/SiO2 Nanocomposite Material

  • 推荐 CAJ下载
  • PDF下载
  • 不支持迅雷等下载工具,请取消加速工具后下载。

【作者】 周钰明钟爱民何曼崔一平张彤

【Author】 ZHOU Yu-Ming1,* ZHONG Ai-Min1 HE Man1 CUI Yi-Ping2 ZHANG Tong2 (1School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, P. R. China; 2School of Electronic Science and Engineering, Southeast University, Nanjing 210096, P. R. China)

【机构】 东南大学化学化工学院东南大学电子科学与工程学院东南大学电子科学与工程学院 南京211189南京211189南京210096

【摘要】 利用溶胶-凝胶法将硅烷染料、含硅氧烷的非线性聚氨酯与正硅酸乙酯(TEOS)共水解,缩合制备了新型聚氨酯噻唑(PUT/SiO2)纳米复合材料,并用IR、SEM、TEM、UV-Vis、DSC和TGA对其结构和性能进行了表征.结果显示,材料中聚氨酯与SiO2以共价键相连,没有发生相分离,且其中非线性较好的噻唑生色团含量和材料的玻璃化转变温度(Tg)、热分解温度(Td)都较纯非线性光学材料(NLO)聚氨酯(PU)有显著增加,可以用来制备性能优良的二阶非线性光学器件.

【Abstract】 Novel polyurethane thiazole(PUT)/SiO2 nanocomposite material was prepared by hydrolysis and condensation of alkoxysilane dye, polyurethane (PU) containing alkoxysilane, and tetraethoxysiliane (TEOS) together using the sol-gel process. The structure and properties were characterized by IR, SEM, TEM, UV-Vis, and DSC-TGA measurements. The result showed that the organic phase connected with the inorganic phase by covalent bond without separation of phase in the material, and the content of thiazole chromophore with good nonlinearity in the material, the glassy temperature, and decomposed temperature of the material increase remarkably; thus, the material can be used to manufacture second-order nonlinear apparatus having fine performance.

【基金】 国家自然科学基金(50377005);教育部新世纪优秀人才支持计划(NCET-04-0482);江苏省“六大人才高峰”(06-A-033)资助项目
  • 【文献出处】 物理化学学报 ,Acta Physico-Chimica Sinica , 编辑部邮箱 ,2007年02期
  • 【分类号】O633
  • 【被引频次】7
  • 【下载频次】222
节点文献中: 

本文链接的文献网络图示:

本文的引文网络