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Preparation and Characterization of Muscovite Mica/UV Coating Materials for Steel

황동섭|유혜진|김진태|김현석|정인우|이재륭
한국재료부식학회 (The Corrosion Science Society of Korea)|2010.12|CORROSION SCIENCE AND TECHNOLOGY|제9권 제6호|pp. 265-269

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키워드

UV coatingmicalithium nitratesalt spray test
주제분류금속공학

초록

This paper describes the exfoliation and surface modification of muscovite mica for UV coating formulation. For the exfoliation of the mica, hydrothermal process was used in the presence of lithium nitrate (LiNO3). After the cation exchange with Li+ ions, the surface of the mica was modified with several amphiphilic substances to increase compatibility and storage stability in UV coating formulation. Such a hydrophobic surface modification affected colloidal stability as well as dispersibility of the exfoliated mica in UV coating solution. Anticorrosive property of mica/UV coated steel plates was tested by salt spray test (SST) and compared with sodium montmorillonite (Na+-MMT)/UV coated steel plates.

Abstract

This paper describes the exfoliation and surface modification of muscovite mica for UV coating formulation. For the exfoliation of the mica, hydrothermal process was used in the presence of lithium nitrate (LiNO3). After the cation exchange with Li+ ions, the surface of the mica was modified with several amphiphilic substances to increase compatibility and storage stability in UV coating formulation. Such a hydrophobic surface modification affected colloidal stability as well as dispersibility of the exfoliated mica in UV coating solution. Anticorrosive property of mica/UV coated steel plates was tested by salt spray test (SST) and compared with sodium montmorillonite (Na+-MMT)/UV coated steel plates.

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