纳米SiO2杂化环氧基氟代树脂涂层的制备与性能
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TQ 630.7

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陕西省科技统筹创新工程计划项目 (批准号:2015KTCL01-14)


Preparation and Properties of Nano - SiO2 Hybrid Fluorinated Epoxy Resin Coating
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    摘要:

    以正硅酸乙酯(TEOS)和双[3-(三乙氧基硅烷)丙基]胺(BTA)为水解前驱体,十二烷基苯磺酸钠(SDBS)为表面活性剂,利用溶胶-凝胶法制得氨基纳米硅溶胶(TB),将其与环氧基氟代丙烯酸树脂(FBSA)上的环氧基开环共聚,得到一种纳米杂化树脂(NA-FB),并以NA-FB为成膜物质制得性能优异的纳米杂化透明涂层。用FTIR、XPS、TEM和SEM等对产物的形貌、结构及性能进行了表征和测试,探讨了SDBS用量对纳米TB体系稳定性和黏度的影响以及纳米TB用量对涂层性能的影响。结果表明,纳米TB在微观上表现出多相分离的微球结构,分散均匀;SDBS的质量浓度为0.5g/L时,纳米TB的稳定性和黏度较好;纳米TB的质量添加量为10%时,涂层的硬度达到5H,涂层表面的接触角可达138°,附着力仍保持1级,且涂层表现出较高的透明性。

    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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权利军.纳米SiO2杂化环氧基氟代树脂涂层的制备与性能[J].精细化工,2017,34(1):

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  • 收稿日期:2016-05-24
  • 最后修改日期:2016-07-08
  • 录用日期:2016-08-30
  • 在线发布日期: 2016-12-23
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