BETA-HYDROXY-BUTYRIC ACID POLYESTERS, PROCESS FOR THEIR PREPARATION AND THEIR USE IN VARNISHING MATERIAL

Polyesters having a hydroxyl number of from 50 to 400 and containing 20 to 90% by weight of co-condensed beta -hydroxybutyric acid units have proved to yield transparent, glossy, elastic and hard coatings.

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Bibliographische Detailangaben
Hauptverfasser: RUDOLF, HANS, PFITZNER, JORG, REUTER, KNUD, DHEIN, ROLF
Format: Patent
Sprache:eng ; ger
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