Preparation of Sericite-TiO₂ Composite Particle Material by Mechano-Chemical Method and its Application

Abstract:

Sericite-TiO₂ composite particle material was prepared via mechano-chemical method. SEMEDS and XPS ananlysis indicates that the surface of the sericite were coated by the TiO₂ layers and the Ti⁴⁺ cations were anchored by formation of SiOTi bonds. Otherwise, the TiO₂-coated sericite powders have higher light scattering indexes and other more outstanding properties than the naked sericite powders. Especially, the whiteness, adsorbed value, and hiding power indexes of the rutile TiO₂-coated sericite powders were higher than those of the anatase TiO₂-coated sericite powders. Hence, rutile TiO₂-coated sericite powders can be substitute for the titanium dioxide pigment.

• Periodical: Advanced Materials Research (Volume 427)
• Pages: 104-109
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.427.104
• Online since: January 2012
• Authors: Xi Feng Hou, Shou Ren Yu, Hao Ding, Can Ye
• Keywords: Composite Particles Material, Mechano-Chemical Method, Sericite, TiO₂, Titanium Dioxide Pigment

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