Polymer compositions

The open time of a cementitious composition, such as a grout, may be increased by the incorporating therein, as a binder, a polymer composition comprising a film-forming copolymer formed by polymerisation of a monomer mixture comprising 1 to 3% of at least one monomer selected from the group of mono...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ANNE MARGARET BACHO, LORI BRANHAM PFAHLER, KATHLEEN ANNE KOZISKI, FERGUS STUART MCCOLL, FREDERICK PAUL HINZ, MEREDITH ANN MORGAN, MARK ALAN KESSELMAYER
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS REFRACTORIES SLAG THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	The open time of a cementitious composition, such as a grout, may be increased by the incorporating therein, as a binder, a polymer composition comprising a film-forming copolymer formed by polymerisation of a monomer mixture comprising 1 to 3% of at least one monomer selected from the group of monomers consisting of amides of alpha , beta -unsaturated C3 to C6 carboxylic acids and N-vinyl lactams, and at least one hydroxy-(C1 to C8)alkyl (meth)acrylate monomer, wherein the total amount of these monomers is from 2 to 7.5% by weight of said monomer mixture.