Thermal analysis of cement pastes with superabsorbent polymers

Luis Pedro Esteves, Ole Mejlhede Jensen, Irena Lukosiute, Jūratė Česniene

Publikation: Bidrag til bog/antologi/rapport/konference proceedingKonferenceabstrakt i proceedingForskningpeer review

Abstrakt

Thermal analysis of cement systems is very helpful in the understanding of many different properties of cementitious compounds, both for the original reacting compounds, and also for the resulting hydration products. Superabsorbent polymers can be added to cement systems with many different reasons, so it is relevant that fundamental knowledge of this new compound on the development of hydration is well understood [1-3].
This paper reports research on thermal analysis of cement pastes with superabsorbent polymers. We have studied several parameters: the concentration of SAP in the system, the effect of particle size distribution, and their influence on the hydration process with focus on cement-silica systems. This is done at different thermodynamic conditions, so the energy of activation in the different systems can be accessed.
This paper provides information relevant to hydration modelling and understanding of cementitious materials when internal curing is active.

[1] Luís P. Esteves, On the hydration of water-entrained cement–silica systems: Combined SEM, XRD and thermal analysis in cement pastes, Thermochimica Acta, 2011, vol. 518: pp. 27–35.
[2] Luís P. Esteves, Superabsorbent Polymers: On their interaction with water and pore fluid, Cement and Concrete Composites, 2011, vol. 33: pp. 717–724.
[3] Luís P. Esteves, Ole Mejlhede Jensen, Absorbency of Superabsorbent Polymers in Cementitious Environments, In: MRS Proceedings. Vol. 1488 Materials Research Society, 2012.
OriginalsprogEngelsk
TitelBook of abstracts : 2nd Central and Eastern European Conference on Thermal Analysis and Calorimetry
Antal sider1
Publikationsdato2013
ArtikelnummerOP3.7
ISBN (Trykt)978-3-940237-33-0
StatusUdgivet - 2013
Udgivet eksterntJa

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