Dispersant for calcium sulphate-based compositions
AssigneeSika Technology AG
InventorsJürg WEIDMANN, Christina HAMPEL, Jörg ZIMMERMANN
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Abstract
The present invention relates to the use of a copolymer as a dispersant for binder compositions based on calcium sulfate, the copolymer having a polymer backbone and sidechains bound thereto, and at least one ionizable monomeric unit M1 and at least one sidechain-carrying monomeric unit M2, characterized in that the copolymer has, in a direction along the polymer backbone, a non-random distribution of the monomeric units M1 and/or of the monomeric units M2.
Claims15
A method comprising applying a copolymer as dispersant for binder compositions based on calcium sulfate, wherein the copolymer comprises a polymer backbone and side chains bonded thereto and there are at least one ionizable monomer unit M1 and at least one side chain-bearing monomer unit M2, wherein the copolymer has a nonrandom distribution of the monomer units M1 and/or the monomer units M2 in a direction along the polymer backbone.
Dependencies are inferred from the claim text.