Preparation and Properties of Nano - SiO2 Hybrid Fluorinated Epoxy Resin Coating
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TQ 630.7

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    Abstract:

    The amino silicon sol(TB) was prepared using sol-gel method by ethyl orthosilicate (TEOS) and double [3-(triethoxy silane) propyl] amine (BTA) as the hydrolysis of precursors, sodium dodecyl benzene sulfonate (SDBS) as the surfactant, respectively. Then the resin(NA-FB) was prepared by copolymerization of ring opening of the epoxy group fluorinated epoxy acrylic resin (FBSA) and the nano TB. And the high performance nano-hybrid transparent coating was prepared by NA-FB as the film-forming material. The chemical structurers, morphology and properties of products were studied by FTIR, XPS, TEM and SEM. The effects of SDBS dosage on nano-TB system stability and viscosity was observed and the impact of the amount of nano-TB on coating performance was also studied. The results indicate that nano TB has the microspheres structure of multiphase separation and uniformly dispersed from the microscopic view. The nano-TB has good stability and viscosity when the SDBS concentration is 0.5g/L. The coating has maximum hardness up to 5H, the contact angle of the coated surface up to 138°, the adhesion still remaining level 1 and has high transparency when amount of nano-TB is 10%.

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History
  • Received:May 24,2016
  • Revised:July 08,2016
  • Adopted:August 30,2016
  • Online: December 23,2016
  • Published:
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