In the field of the electrocoating of cars and trucks the industrial application has preceded full theoretical comprehension of the phenomena involved. Very little can be said at present about the correlation between the technological properties of the paint and the optimum composition and parameters of the paint bath. In this paper the application of high performance liquid chromatographic (HPLC) techniques (on bonded-phase columns) working in direct, reversed, and ion-paired reversed-phase modes is described. The satisfactory results achieved via HPLC allowed the authors to obtain a polymer fingerprint (oligomeric distribution, impurities, etc.) and to devise a simple way to begin a systematic control of the aging of electropainting boths and quality control of the industrial manufacturing of electrophoretic polymers.
Ion-paired HPLC characterization of cathodic electrodeposition paint polymers
Ionen-gepaarte HPLC-Charakterisierung von Polymerfarben der kathodischen Elektrodenbeschichtung
Journal of Chromatographic Science ; 19 , 12 ; 639-642
1981
4 Seiten, 6 Bilder, 6 Quellen
Article (Journal)
English
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