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Published on: September 11, 2018
Interface porcelain tile/PVA modified mortar: a novel nanostructure approach
Alexandra Ancelmo Piscitelli Mansur1, Herman Sander Mansur
1Department of Metallurgical and Materials Engineering of Federal University of Minas Gerais, Rua Espírito Santo, 35/316-Centro. Belo Horizonte/MG, 30.160-030, Brazil.
Abstract:
In ceramic tile systems, the overall result of adherence between porcelain tiles and polymer modified mortars could be explained based on the nano-order structure that is developed at the interface. Based on pull-off tests, Scanning Electron Microscopy images, and Small Angle X-ray Scattering experiments a nanostructured approach for interface tile/PVA modified mortar was built. The increase of adhesion between tile and mortar due to poly(vinyl alcohol), PVA, addition can be explained by the formation of a hybrid ceramic-polymer-ceramic interface by hydrogen bonds between PVA hydroxyl groups and silanol from tile surface and water from nanostructured C-S-H gel interlayer.
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