Method for inerting clays in hydraulic compositions intended for the construction industry
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United States of America Patent
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Feb 1, 2024
app pub date -
Dec 22, 2021
filing date -
Dec 23, 2020
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Abstract
The present invention relates to a method for inerting clays in hydraulic compositions intended for construction purposes, said method comprising a step of adding to the hydraulic composition or to one of its constituents at least one clay inerting agent, characterised in that the clay inerting agent is a water-soluble polymer comprising acrylamide, and/or vinylamine, and/or vinylformamide monomer units, and optionally monomer units of a different chemical nature from the abovementioned chemical natures, and characterised in that its weight average molecular weight is between Mw L and Mw H.
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