Preparation and Properties of Hydrophilic DEA/Organosilane Hybrid Antifogging Coating

Chem. J. Chinese Universities

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Preparation and Properties of Hydrophilic DEA/Organosilane Hybrid Antifogging Coating

SHA Peng-Yu, LIU Yan, XIE Lei, CUI Zhan-Chen*

Key Laboratory of Supramolecular Structure and Materials of Ministry of Education, College of Chemistry, Jilin University, Changchun 130023, China

Received:2007-04-28 Revised:1900-01-01 Online:2007-11-10 Published:2007-11-10
Contact: CUI Zhan-Chen

Abstract

Abstract: The TEOS-derived silica was modified with epoxy by copolymerization of TEOS with GPTMS. The epoxy sites have become anchors for cross-linking the nanoparticles of the skeletal backbone of the silica hybrids by attachment of DEA. The synthesis material was determined by FTIR, TGA and AFM . The hybrids have an excellent film-forming capability and possess a high thermstability. After addition of DEA, the inorganic-organic hybrid system containing abundant —OH group has a wettable surface and long antifogging time. The contact angles of the hybrid film for water were less than 31° and the coating meet the requirements for transparence. The existing silica gel network improved the scratch property. So the coating have an exce-llent mechanical property.

Key words: Hydrophilicity, Sol-gel method, Antifogging coating, Hybrid material

CLC Number:

O631

TrendMD:

SHA Peng-Yu, LIU Yan, XIE Lei, CUI Zhan-Chen*. Preparation and Properties of Hydrophilic DEA/Organosilane Hybrid Antifogging Coating[J]. Chem. J. Chinese Universities, doi: .

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Preparation and Properties of Hydrophilic DEA/Organosilane Hybrid Antifogging Coating

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