POLYESTERS WITH SULFONIC ACID GROUPS AND THEIR USE

1. The use of polyesters containing alkyl side chains and sulfonic acid groups prepared from - carboxylic acid dialkanolamides containing 8 to 24 C atoms and up to 3 double bonds in the carboxylic acid part as dihydroxy components and - C8-24 sulfodicarboxylic acid as dicarboxylic acids and - option...

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Bibliographische Detailangaben
Hauptverfasser: ANZINGER, HERMANN, VON RYBINSKI, WOLFGANG
Format: Patent
Sprache:eng ; ger
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Zusammenfassung:1. The use of polyesters containing alkyl side chains and sulfonic acid groups prepared from - carboxylic acid dialkanolamides containing 8 to 24 C atoms and up to 3 double bonds in the carboxylic acid part as dihydroxy components and - C8-24 sulfodicarboxylic acid as dicarboxylic acids and - optionally, other modifying agents as dispersants in aqueous coal suspensions in quantities of from 0.1 to 1.5% by weight.