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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: The Influence of Vinyl Polymers on the Characteristics of Polymer-Modified Mortars
Author(s): R. Arcozzi, G. Ferrari, L. Gini and G. Pistolesi
Publication: Special Publication
Appears on pages(s): 163-186
Keywords: Adsorption; bond strength; compressive strength; latex (plastic); modulus
of elasticity; mortars (materials); plastics, polymers and resins
Abstract:Seven different polymer latexes, characterised by different resistance to alkaline hydrolysis, were used to produce polymer-modified cement mortars. The following polymers were tested : styrene-butadiene copolymer, vinyl acetate-vinyl versatate copolymer, vinyl acetate-vinyl versatates terpolymer, vinyl acetate-ethylene copolymer, vinyl acetate-vinyl propionate copolymer, vinyl acetate-dibutyl maleate copolymer and vinyl acetate homopolymer. Measurements of compressive strength, dynamic modulus of elasticity, water absorption and bond-strength to a concrete substrate were carried out on the polymer-modified mortars in comparison to a reference mixture without polymers. Infrared and XRD analytical techniques were used to investigate the alkaline hydrolysis of the polymers and cement hydration, respectively. The results indicate that polymers with higher resistance to hydrolysis performed better in terms of higher bond strength to the concrete substrate and lower water absorption of the corresponding mortars.
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