of fresh state properties of Portland cement-based mortars by guar gum derivatives

@inproceedings{Govin2015ofFS,
  title={of fresh state properties of Portland cement-based mortars by guar gum derivatives},
  author={Alexandre Govin and Marie-Claude Bartholin and Philippe Grosseau},
  year={2015}
}
Viscosity-modifying admixtures (VMA) are often introduced in the formulation of modern factory-made mortars in order to prevent segregation and to improve the homogeneity and workability of cement-based system. Among VMAs, organic admixtures, and more especially polysaccharides such as cellulose ethers (CE), are widely used, since they improve both rheological property and water retention capacity of the mortars. The present study examines the influence of chemical composition and structure of… CONTINUE READING

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