Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/81350
Type: Artigo de periódico
Title: Macro-defect free cements: A new approach
Author: Rodrigues, FA
Joekes, I
Abstract: The in situ reticulation of the water-soluble polymer used to obtain macrodefect free cements is proposed as a way to minimize the shortening of the mechanical properties at high relative humidity. The polymer is used in solution, instead of in bulk. Data obtained with poly(vinyl alcohol) (PVA) and sodium silicate shows that PVA is insolubilized in the presence of this reticulation agent. In the presence of cement, the effect is enhanced. Micro hardness values obtained for bulk-PVA/cement and in situ reticulated speci mens show that the reticulated specimens are not affected by humidity. Low w/c relations (0.2) and low polymer content (1%) are attainable. (C) 1998 Elsevier Science Ltd.
Country: Inglaterra
Editor: Pergamon-elsevier Science Ltd
Rights: fechado
Identifier DOI: 10.1016/S0008-8846(98)00044-1
Date Issue: 1998
Appears in Collections:Unicamp - Artigos e Outros Documentos

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