纳米SiO_2/氟碳杂化透明疏水耐磨涂层的制备及其性能研究
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摘要
通过低温微波法制备了纳米二氧化硅(SiO_2)粒子,对其进行表面疏水化改性后,引入双键官能团处理,制备了一种高透明、耐磨性好且疏水的纳米SiO_2/氟碳杂化涂料。采用XRD、TEM、FTIR等手段对纳米SiO_2粒子进行了表征,并研究了改性纳米SiO_2的用量对杂化涂层的透明性、耐磨性、疏水性、强度、硬度以及耐沾污性的影响。结果表明:改性纳米SiO_2的含量对杂化涂层的透明性影响很小,杂化涂层具有较好的附着力、硬度、耐磨性、疏水性和耐沾污性,改性纳米SiO_2的最佳用量为5%。
Nano-silica( SiO_2) particles were prepared by low temperature microwave method. Moreover,a transparent wear-resistant hydrophobic nano-silica/fluorocarbon hybrid coating was prepared,which surface was hydrophobically modified and double-bond functional group introduced. Nano-silica particles were characterized by XRD,TEM,FTIR approaches. The effects of content of modified nano-SiO_2 on the transparency,abrasion resistance,hydrophobicity,strength,hardness and stain resistance of the hybrid coatings were investigated. The results show that the addition of modified nano-SiO_2 particles has little effect on the transparency of the hybrid coatings. The hybrid coatings exhibit excellent adhesive force,hardness,abrasion resistance,hydrophobicity and stain resistance. The optimal loading of the modified nano-SiO_2 was found to be 5%.
Nano-silica( SiO_2) particles were prepared by low temperature microwave method. Moreover,a transparent wear-resistant hydrophobic nano-silica/fluorocarbon hybrid coating was prepared,which surface was hydrophobically modified and double-bond functional group introduced. Nano-silica particles were characterized by XRD,TEM,FTIR approaches. The effects of content of modified nano-SiO_2 on the transparency,abrasion resistance,hydrophobicity,strength,hardness and stain resistance of the hybrid coatings were investigated. The results show that the addition of modified nano-SiO_2 particles has little effect on the transparency of the hybrid coatings. The hybrid coatings exhibit excellent adhesive force,hardness,abrasion resistance,hydrophobicity and stain resistance. The optimal loading of the modified nano-SiO_2 was found to be 5%.
引文
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[3]Matusevich V,Tolstik E,Kowarschik R,et al.New holographic polymeric composition based on plexiglass,polyvinyl butyral,and phenanthrenquinone[J].Optics Communications,2013,295:79-83.
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[5]Zhang H,Zhang H,Tang L C,et al.Wear-resistant and transparent acrylate-based coating with highly filled nanosilica particles[J].Tribology International,2010,43(2):83-91.
[6]Malaki M,Hashemzadeh Y,Karevan M.Effect of nano-silica on the mechanical properties of acrylic polyurethane coatings[J].Progress in Organic Coatings,2016,101:477-485.
[7]Huang Q Z,Fang Y Y,Liu P Y,et al.Comparative study on the optical,surface mechanical and wear resistant properties of transparent coatings filled with pyrogenic and colloidal silica nanoparticles[J].Composites Science and Technology,2011,71(4):471-479.
[8]Huang Q Z,Fang Y Y,Liu P Y,et al.A novel strategy for durable superhydrophobic coating on glass substrate via using silica chains to fix silica particles[J].Chemical Physics Letters,2018,692:33-37.
[9]孙琳,林化强,林鹏,等.高速列车用抗风沙弹性耐磨耐候涂层的制备及性能研究[J].涂料工业,2016,46(11):37-40.
[10]Ammar S,Ramesh K,Ma I A W,et al.Studies on Si O2-hybrid polymeric nanocomposite coatings with superior corrosion protection and hydrophobicity[J].Surface&Coatings Technology,2017,324:536-545.
[11]Kapridaki C,Kalaitzaki P M.Ti O2-Si O2-PDMS nano-composite hydrophobic coating with self-cleaning properties for marble protection[J].Progress in Organic Coatings,2013,76(3):400-410.
[12]Pavlovska I,Malnieks K,Mezinskis G,et al.Hard Ti O2-Si O2sol-gel coatings for enamel against chemical corrosion[J].Surface&Coatings Technology,2014,258:206-210.
[13]Ebert D,Bhushan B.Transparent,superhydrophobic,and wear-resistant coatings on glass and polymer substrates using Si O2,Zn O and ITO nanoparticles[J].Langmuir,2012,28:11391-11399.
[14]Li C L,Sun Y C,Cheng M,et al.Fabrication and characterization of a Ti O2/polysiloxane resin composite coating with fullthickness super-hydrophobicity[J].Chemical Engineering Journal,2018,333:361-369.
[15]Baumer S.The handbook of plastic optics[M].Wiley-VCH,2010:49-56.
[16]Pan H,Li G L,Liu R Q,et al.Preparation,characterization and application of dispersible and spherical nano-Si O2copolymer nanocomposite in leather tanning[J].Applied Surface Science,2017,426:376-385.