Polymer-modified Portland-based composites are of interest for specific applications, in reason of their properties. There are different types of commercial additives and waste polymer-based materials applied to cement-based composites, however, their impacts on the environment are debatable. This work has prepared new acrylic latex additives with and without keto-hydrazide crosslinking from standardly available low-cost raw monomers. The influence of their incorporation into Portland cement-based fine-grained mortars has been investigated. The obtained results indicate that the highest effect on heat flow evolution changes has been detected in the case of latexes without crosslinking. The incorporation of both latex types into produced cement composites resulted in a significant increase in open porosity connected with the gradual decrease in mechanical resistance, especially the compressive strength. On the other hand, an important mitigation of liquid water transport properties of latex-modified composites has been achieved, and such properties can be tuned according to the used latex type and its concentration. The developed latex cement-based composites may find utilization as special materials for structures or products for water-loaded constructions or in areas with high concentrations of water-soluble salts or other pollutants.

Study of keto-hydrazide crosslinking effect in acrylic latex applied to Portland cements with respect to physical properties / Zarybnicka, L.; Pokorny, J.; Machotova, J.; Sevcik, R.; Sal, J.; Viani, A.. - In: CONSTRUCTION AND BUILDING MATERIALS. - ISSN 0950-0618. - 375:(2023), pp. 13087-13097. [10.1016/j.conbuildmat.2023.130897]

Study of keto-hydrazide crosslinking effect in acrylic latex applied to Portland cements with respect to physical properties

Viani A.
2023

Abstract

Polymer-modified Portland-based composites are of interest for specific applications, in reason of their properties. There are different types of commercial additives and waste polymer-based materials applied to cement-based composites, however, their impacts on the environment are debatable. This work has prepared new acrylic latex additives with and without keto-hydrazide crosslinking from standardly available low-cost raw monomers. The influence of their incorporation into Portland cement-based fine-grained mortars has been investigated. The obtained results indicate that the highest effect on heat flow evolution changes has been detected in the case of latexes without crosslinking. The incorporation of both latex types into produced cement composites resulted in a significant increase in open porosity connected with the gradual decrease in mechanical resistance, especially the compressive strength. On the other hand, an important mitigation of liquid water transport properties of latex-modified composites has been achieved, and such properties can be tuned according to the used latex type and its concentration. The developed latex cement-based composites may find utilization as special materials for structures or products for water-loaded constructions or in areas with high concentrations of water-soluble salts or other pollutants.
2023
375
13087
13097
Study of keto-hydrazide crosslinking effect in acrylic latex applied to Portland cements with respect to physical properties / Zarybnicka, L.; Pokorny, J.; Machotova, J.; Sevcik, R.; Sal, J.; Viani, A.. - In: CONSTRUCTION AND BUILDING MATERIALS. - ISSN 0950-0618. - 375:(2023), pp. 13087-13097. [10.1016/j.conbuildmat.2023.130897]
Zarybnicka, L.; Pokorny, J.; Machotova, J.; Sevcik, R.; Sal, J.; Viani, A.
File in questo prodotto:
File Dimensione Formato  
2023_2_Zarybnicka.pdf

Accesso riservato

Tipologia: Versione pubblicata dall'editore
Dimensione 3.74 MB
Formato Adobe PDF
3.74 MB Adobe PDF   Visualizza/Apri   Richiedi una copia
Pubblicazioni consigliate

Licenza Creative Commons
I metadati presenti in IRIS UNIMORE sono rilasciati con licenza Creative Commons CC0 1.0 Universal, mentre i file delle pubblicazioni sono rilasciati con licenza Attribuzione 4.0 Internazionale (CC BY 4.0), salvo diversa indicazione.
In caso di violazione di copyright, contattare Supporto Iris

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/1315887
Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus 0
  • ???jsp.display-item.citation.isi??? 0
social impact