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Waterproofing of Portland cement mortars with a specially designed polyacrylic latex

Saija, L.M.

Polymer modified portland cement mortars, with polymer/cement ratios up to 0,2 (w/w) have been studied, in respect to their mechanical and waterproofing characteristics. The polymer here developed, characterized by low water absorption, improves the workability, the flexural strength and the resistance to penetration of water and salt solutions of the modified mortars. These effects become remarkable over a certain amount of polymer (p/c ratios more than 0,05). The air entrainement due to the polymer has a negative influence on the compressive strength but increases the freeze-thaw resistance. A comparison with the traditional superplasticizers and water proofing admixtures, which impart hydrophobic properties to hardened mortars and concretes is also presented.

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Waterproofing of Portland cement mortars with a specially designed polyacrylic latex

Saija, L.M.

Polymer modified portland cement mortars, with polymer/cement ratios up to 0,2 (w/w) have been studied, in respect to their mechanical and waterproofing characteristics. The polymer here developed, characterized by low water absorption, improves the workability, the flexural strength and the resistance to penetration of water and salt solutions of the modified mortars. These effects become remarkable over a certain amount of polymer (p/c ratios more than 0,05). The air entrainement due to the polymer has a negative influence on the compressive strength but increases the freeze-thaw resistance. A comparison with the traditional superplasticizers and water proofing admixtures, which impart hydrophobic properties to hardened mortars and concretes is also presented.

Waterproofing of Portland cement mortars with a specially designed polyacrylic latex

Saija, L.M.

Polymer modified portland cement mortars, with polymer/cement ratios up to 0,2 (w/w) have been studied, in respect to their mechanical and waterproofing characteristics. The polymer here developed, characterized by low water absorption, improves the workability, the flexural strength and the resistance to penetration of water and salt solutions of the modified mortars. These effects become remarkable over a certain amount of polymer (p/c ratios more than 0,05). The air entrainement due to the polymer has a negative influence on the compressive strength but increases the freeze-thaw resistance. A comparison with the traditional superplasticizers and water proofing admixtures, which impart hydrophobic properties to hardened mortars and concretes is also presented.

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Title:

Waterproofing of Portland cement mortars with a specially designed polyacrylic latex

Additional title:

Wasserundurchlässigkeit eines mit einem speziellen Polyacryl-Kautschuk modifizierten Portlandzement

Contributors:

Saija, L.M. (author)

Published in:

Cement and Concrete Research ; 25 ; 503-509

Publication date:

1995

Size:

7 Seiten, 4 Bilder, 2 Tabellen, 8 Quellen

ISSN:

DOI:

https://doi.org/10.1016/0008-8846(95)00039-F

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Portlandzement , Biegefestigkeit , Druckfestigkeit , Chlorid , Polymer , Wasseraufnahme , Wasserundurchlässigkeit , Einfrieren , Wasser-Zement-Wert

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