Flow agent for concrete and mortar - prepd. by post-condensing and sulphating lignin sulphonate and ring sulphonated or sulphomethylated aromatic cpds

A flow agent (I) for concrete and mortar is prepd. by post-condensing and post-sulphating a mixt. of lignin sulphonate (II) and ring-sulphonated or sulphomethylated aromatics (III). The concrete or mortar has high flowability without an undesirable increase in curing time and there is no bleeding. H...

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Bibliographische Detailangaben
1. Verfasser:	KOEHLER,LEO
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS REFRACTORIES SLAG THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	A flow agent (I) for concrete and mortar is prepd. by post-condensing and post-sulphating a mixt. of lignin sulphonate (II) and ring-sulphonated or sulphomethylated aromatics (III). The concrete or mortar has high flowability without an undesirable increase in curing time and there is no bleeding. Higher amts. of (I) may be used.