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Dry construction composition which can be wet-sprayed by means of screw pump and comprising a binder and a bio-based filler-preparation and uses of such a composition
A dry construction composition that is easily wet-sprayed by a screw pump to form an insulating and mechanically resistant material after hardening comprises: at least one binder that includes at least one primary binder comprising lime and/or at least one source of alumina and/or at least one source of calcium sulfate, at least one water retention agent, and preferably at least one surfactant; and at least one plant-based bio-based filler based on sunflower stalk and/or corn stalk and/or rape stalk, having a Bulk Density (BD) in kg/m3 that is less than 110. The ratio of the binder to the filler is between 2 and 9 in liters/kg. The composition can be mixed with water in a ratio of water/binder that is greater than or equal to 0.8 to form a wet composition. The wet composition can be sprayed onto a horizontal or vertical substrate or molded to a desired shape.
Dry construction composition which can be wet-sprayed by means of screw pump and comprising a binder and a bio-based filler-preparation and uses of such a composition
A dry construction composition that is easily wet-sprayed by a screw pump to form an insulating and mechanically resistant material after hardening comprises: at least one binder that includes at least one primary binder comprising lime and/or at least one source of alumina and/or at least one source of calcium sulfate, at least one water retention agent, and preferably at least one surfactant; and at least one plant-based bio-based filler based on sunflower stalk and/or corn stalk and/or rape stalk, having a Bulk Density (BD) in kg/m3 that is less than 110. The ratio of the binder to the filler is between 2 and 9 in liters/kg. The composition can be mixed with water in a ratio of water/binder that is greater than or equal to 0.8 to form a wet composition. The wet composition can be sprayed onto a horizontal or vertical substrate or molded to a desired shape.
Dry construction composition which can be wet-sprayed by means of screw pump and comprising a binder and a bio-based filler-preparation and uses of such a composition
CAPPELLARI MARCO (author) / DESROSES LISA (author) / DAUBRESSE ANNE (author)
2020-12-15
Patent
Electronic Resource
English
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