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MDF composites AC-PVAl with increased moisture resistance
 Repka, Martin ; Brandštetr, Jiří (oponent) ; Šoukal, František (vedoucí práce)
Polymer-impregnated cement materials represent an interesting and promising alternative to conventional Portland cement pastes. Macrodefect-free (MDF) composites correspond to the well-known group of these materials, consisting of inorganic binder and organic polymer. Despite the identification of many potential applications and unusual mechanical properties, MDF cements have certain limitations and particularly loss of strength on exposure to moisture or humidity. One option to increase the moisture resistance is “in situ” reticulation of polymer. This work contains results of initial sample series of MDF composites based on alumina cement and polyvinyl alcohol with three types of organo-titanate cross-linking agents (Tyzors). Effect of MDF composites modification was evaluated by testing of flexural strength of materials in various humidity conditions.
Úplný záznam
MDF composites AC-PVAl with increased moisture resistance
 Repka, Martin ; Brandštetr, Jiří (oponent) ; Šoukal, František (vedoucí práce)
Polymer-impregnated cement materials represent an interesting and promising alternative to conventional Portland cement pastes. Macrodefect-free (MDF) composites correspond to the well-known group of these materials, consisting of inorganic binder and organic polymer. Despite the identification of many potential applications and unusual mechanical properties, MDF cements have certain limitations and particularly loss of strength on exposure to moisture or humidity. One option to increase the moisture resistance is “in situ” reticulation of polymer. This work contains results of initial sample series of MDF composites based on alumina cement and polyvinyl alcohol with three types of organo-titanate cross-linking agents (Tyzors). Effect of MDF composites modification was evaluated by testing of flexural strength of materials in various humidity conditions.
Úplný záznam

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