Process for preparing acid-modified aromatic hydrocarbon resins and their salts

The invention relates to a process for the preparation of aromatic hydrocarbon resins which have been modified by means of aromatic carboxylic acids, in which the aromatic carboxylic acids and methanesulphonic acid are suspended in an aliphatic solvent, and the aromatic, unsaturated hydrocarbons are...

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Bibliographische Detailangaben
Hauptverfasser: STAEGLICH, PETER, ZELLERHOFF, ROBERT, FRIEDRICH, BODO, SPENGLER, HAND
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:The invention relates to a process for the preparation of aromatic hydrocarbon resins which have been modified by means of aromatic carboxylic acids, in which the aromatic carboxylic acids and methanesulphonic acid are suspended in an aliphatic solvent, and the aromatic, unsaturated hydrocarbons are slowly metered into this suspension.