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Acta Chimica Sinica ›› 2008, Vol. 66 ›› Issue (20): 2253-2257. Previous Articles     Next Articles

Original Articles

用于NSH紫外滤光片的长桥式聚倍半硅氧烷防潮膜

胡胜伟a,b 徐 耀*,a 吴 东a 孙予罕a

  

  1. (a中国科学院山西煤炭化学研究所 煤转化国家重点实验室 太原 030001)
    (b中国科学院研究生院 北京 100049)

  • 投稿日期:2008-03-07 修回日期:2008-05-28 发布日期:2008-10-28
  • 通讯作者: 徐耀

A Novel Moisture-resistant Film for NSH UV Filter Based on Bridged Polysilsesquioxane with Long Bridging Chain

HU, Sheng-Wei a,b XU, Yao *,a WU, Dong a SUN, Yu-Han a   

  1. (a Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001)
    (b Graduate School, Chinese Academy of Sciences, Beijing 100049)
  • Received:2008-03-07 Revised:2008-05-28 Published:2008-10-28
  • Contact: XU, Yao

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A new precursor of bridged polysilsesquioxane was synthesized with dicyclohexylmethane-4,4’-
di-isocyanate and (3-aminopropyl)triethoxysilane. The bridged polysilsesquioxane sol was prepared by the condensation of the precursor under a basic condition. A thin film was dip-coated on the nickel sulfate hexahydrate (NSH) UV light filter. The characterstic of the xerogel was studied with FT-IR, 29Si MAS NMR and N2-absorption/desorption analysis. The morphology of the film was studied by SEM and AFM analysis. The moisture-resistant property of film for the NSH filter was studied under humidity (70%). The results showed that the as-synthesized bridged polysilsesquioxane was nonporous, and the film presented excellent moisture-resistant protection to the NSH filter.

Key words: bridged polysilsesquioxane, nonporous, moisture-resistant