Effect of Polymer Addition on Performance of Portland Cement Mortar Exposed to Sulphate Attack

Paweł Łukowski , Dominika Dębska


Resistance to degradation contributes greatly to the durability of materials. The chemical resistance of polymer-cement composites is not yet fully recognized. The goal of the research presented in this paper was to assess the performance of polymer-cement mortars under sulphate aggression, as compared to unmodified cement mortar. Mortars with polymer-to-cement ratios from 0 to 0.20 were stored in either a 5% MgSO4 solution or distilled water for 42 months. During this time, changes in elongation, mass, and compressive strength were determined. The results of these investigations, together with the visual and microscopic observations, allowed us to conclude that polymer–cement composites demonstrated better resistance to the attack of sulphate ions than unmodified cement mortar, even when using Portland cement with enhanced sulphate resistance.
Author Paweł Łukowski (FCE / ICE)
Paweł Łukowski,,
- The Institute of Civil Engineering
, Dominika Dębska
Dominika Dębska,,
Journal seriesMaterials, ISSN 1996-1944
Issue year2020
Publication size in sheets3.55
Keywords in Englishdurability; polymer-cement composite; sulphate aggression
ASJC Classification2500 General Materials Science
URL https://www.mdpi.com/1996-1944/13/1/71/htm
Languageen angielski
Score (nominal)140
Score sourcejournalList
ScoreMinisterial score = 140.0, 16-06-2020, ArticleFromJournal
Publication indicators WoS Citations = 0; Scopus Citations = 1; Scopus SNIP (Source Normalised Impact per Paper): 2017 = 1.285; WoS Impact Factor: 2018 = 2.972 (2) - 2018=3.532 (5)
Citation count*1 (2020-09-09)
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* presented citation count is obtained through Internet information analysis and it is close to the number calculated by the Publish or Perish system.
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