Preparation and application of multifunctional waterborne aluminum pigment

doi:10.3969/j.issn.1000-1565.2019.02.008

Journal of Hebei University (Natural Science Edition) ›› 2019, Vol. 39 ›› Issue (2): 159-165.DOI: 10.3969/j.issn.1000-1565.2019.02.008

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Preparation and application of multifunctional waterborne aluminum pigment

TAO Chang¹, MA Zhiling¹, LIU Yuanbo², ZHANG Chunyan¹, XIE Fei¹

1. College of Chemistry and Environmental Science, Hebei University, Baoding 071002, China; 2. Environmental Information Center of Cangzhou City, Cangzhou 061001, China

Received:2018-10-15 Online:2019-03-25 Published:2019-03-25

Abstract

Abstract: SiO₂ encapsulated aluminum pigment(Al@SiO₂)is the most widely used waterborne metal pigment. However, Al@SiO₂ is still silvery and the anti-corrosion property in strong alkalinity and acidity media are limited. According to the characteristics of SnO₂, if SnO₂ is encapsulated on aluminum pigment, the waterborne aluminum pigment with superior corrosion resistance and photocatalytic activity would be obtained. Here, SnCl₄/isopropyl as precursor in isopropyl/H₂O at weak acidity media, the preparation principle of SnO₂ encapsulated aluminum pigment(Al@SnO₂)that used aluminum as core, SnO₂ as shell and Al(OH)₃ or Sn(OH)₂ as bridge were studied. The effect of preparation conditions on the anti-corrosion resistance, hue and photocatalytic activity of Al@SnO₂ were studied using optical microscopy, X-ray diffraction, anti-corrosion resistance and photocatalytic degradation efficiency test.

Key words: waterborne aluminum pigments, tin oxides, anti-corrosion resistance, photocatalytic activity

CLC Number:

TQ624

TAO Chang, MA Zhiling, LIU Yuanbo, ZHANG Chunyan, XIE Fei. Preparation and application of multifunctional waterborne aluminum pigment[J]. Journal of Hebei University (Natural Science Edition), 2019, 39(2): 159-165.

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Preparation and application of multifunctional waterborne aluminum pigment

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