Water Absorption Properties of Geopolymer Foam after Being Impregnated with Hydrophobic Agents

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dc.contributor.authorHájková, Pavlína
dc.contributor.authorLouda, Petr
dc.contributor.authorVoleský, Lukáš
dc.contributor.authorLe Chi, Hiep
dc.contributor.authorLe Van, Su
dc.date.accessioned2019-12-12T08:14:21Z
dc.date.available2019-12-12T08:14:21Z
dc.date.issued2019
dc.description.abstractGeopolymer foam is classified as a lightweight material with high porous in its matrix which has great offer for applications requiring fire-resistant, thermal, and acoustic properties. However, the high sensitivity to humid environments can be a major barrier of geopolymer foam that limits the variety of applications of this material. Based on this drawback, two types of hydrophobic agent (Lukosil M130 and Lukofob ELX) were used as an impregnator to treat the surface of geopolymer foam samples. This paper presented the results of water absorption properties of the untreated and treated geopolymer foam composites. The obtained properties were flexural strength, compressive strength, density, total water absorption, the rate of water absorption, and water absorption coefficient. The results showed that the samples after being impregnated with hydrophobic agents improved significantly their waterproof property especially using Lukosil M130. Moreover, the samples treated with Lukosil M130 had positive impact on their mechanical strength.cs
dc.format.extent11 strancs
dc.identifier.doi10.3390/ma12244162
dc.identifier.urihttps://dspace.tul.cz/handle/15240/154290
dc.identifier.urihttps://www.mdpi.com/1996-1944/12/24/4162
dc.language.isocscs
dc.publisherMDPI
dc.relation.ispartofMaterials 2019
dc.subjectgeopolymer foamcs
dc.subjectLukosil M130cs
dc.subjectLukofob ELXcs
dc.subjectwater absorptioncs
dc.subjectwater uptakecs
dc.subjectwater absorption coefficientcs
dc.subjectflexural strengthcs
dc.subjectcompressive strengthcs
dc.titleWater Absorption Properties of Geopolymer Foam after Being Impregnated with Hydrophobic Agentscs
dc.typearticle
local.accessopen access
local.identifier.publikace7248
local.relation.issue24
local.relation.volume12
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