LCD waste glass as a substitute for feldspar in the porcelain sanitary ware production

LCD glasses belong to the alkali-free alumino-borosilicate system and thus exhibit different properties from the traditional soda lime silicate glasses. In the present work, the replacement of feldspar by the waste glasses produced from LCD manufacturers was performed for porcelain sanitary ware. As...

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Published inCeramics international Vol. 41; no. 5; pp. 7097 - 7102
Main Authors Kim, Kidong, Kim, Kicheol, Hwang, Jonghee
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 01.06.2015
Subjects
Feldspar
Feldspars
Glass
Glass composition
Glass viscosity
LCD waste glasses
Liquid crystal displays
Microstructure
Porcelain
Porcelain sanitary ware
Raw materials
Sanitary ware
Wastes
Porcelain sanitary ware
Glass composition
LCD waste glasses
Glass viscosity
Feldspar
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Summary:LCD glasses belong to the alkali-free alumino-borosilicate system and thus exhibit different properties from the traditional soda lime silicate glasses. In the present work, the replacement of feldspar by the waste glasses produced from LCD manufacturers was performed for porcelain sanitary ware. As the amount of LCD waste glasses increases, the sintered body showed a dense microstructure due to the rich liquid phase. Even under full replacement of feldspar, there was no pyroplastic deformation, except the exudation of liquid to the surface. The microstructure and mullite content were discussed in terms of the apparent viscosity and LCD glass composition, respectively. It is expected that LCD waste glasses enable the sanitary ware industry to save both raw material and energy simultaneously.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0272-8842
1873-3956
DOI:10.1016/j.ceramint.2015.02.018