Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 61: Issue 1
Thermal and Pore Structural Characteristics of Polymer-impregnated and Superplasticized Cement Pastes
Authors:
K. Al-Noaimi Qatar University Faculty of Science Doha Qatar Doha Qatar

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F. El-Hosiny Ain Shams University, Abbassia Department of Chemistry, Faculty of Science Cairo Egypt Cairo Egypt

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S. Abo-El-Enein Ain Shams University, Abbassia Department of Chemistry, Faculty of Science Cairo Egypt Cairo Egypt

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Pages:
173–180
Online Publication Date:
02 Nov 2004
Publication Date:
01 Jul 2000
Article Category:
Research Article
DOI:
https://doi.org/10.1023/a:1010129111804
Keywords:
cement pastes; polymer-impregnated and superplasticized pastes; thermal properties and pore structure
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Abstract  

Two sets of hardened cement pastes were prepared by (a) impregnation with polymethyl methacrylate and polystyrene or (b) admixing with water-soluble condensates(superplasticizers) such as Na-phenol sulphonate formaldehyde, Na-polystyrene sulphonateand Na-β-naphthol sulphonate formaldehyde. The pastes were hydrated for 180 days. The results of nitrogen adsorption indicated that polymer impregnation strongly affected the specific surface areas and the total pore volumes of the hardened cement pastes. XRD analysis, DTA and TG demonstrated (a) the formation of new phases as a result of the interactions involving the polymer within the pore system of the hydrated products of the impregnated cement pastes, and (b) no change in the phase composition of the hydrated products of the cement pastes admixed with superplasticizers.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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