Characterization of the Alkali and Hydrolysis Resistance of Polymer-Impregnated, Alkali-Resistant Glass Filaments
Florian Kempis, Jeanette Orlowsky
TL;DR
This study tested how well polymer-treated glass fibers resist damage in harsh chemical environments, finding one formulation more durable for use in cement.
Contribution
The study introduces two polymer-impregnated glass filament formulations and evaluates their long-term durability in alkali and water environments.
Findings
CemFil-SBR2 showed better alkali and hydrolysis resistance than CemFil-SBR1.
Polymer impregnation significantly delayed glass corrosion and improved durability.
Higher temperatures accelerated strength reduction in the samples.
Abstract
The aim of this series of tests was to characterize the alkali and water resistance of alkali-resistant (durability) glass filaments, which were optimized with two non-vulcanized formulations based on co-polymerizing styrene-butadiene rubbers (CemFil-SBR1 and CemFil-SBR2). Furthermore, it was assessed which of the two polymer-impregnated multifilament yarns is the better alternative for use in cementitious binders. For this purpose, the impregnated multifilament yarns were chemically conditioned for up to twelve months at temperatures of 23 and 50 °C in 2.5 percent sodium hydroxide solution and 2.5 percent potassium hydroxide solution as well as in 3 percent salt and distilled water. The samples were then subjected to material science tests. The liquid absorption capacities and the changes in the mass of the composite materials were determined at different times during conditioning. The…
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Taxonomy
TopicsInnovative concrete reinforcement materials · Concrete and Cement Materials Research · Concrete Corrosion and Durability