Pigment grind with fumed silica

In the formulation of high solids pigmented film-forming coating compositions comprising low molecular weight polyester oligomers, co-dispersing fumed silica with the pigment mill base, then incorporating this co-dispersion into the composition yields enhanced color stability for the coating composi...

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Bibliographische Detailangaben
Hauptverfasser: SCHWEITZER, FRANCIS E
Format: Patent
Sprache:eng
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Zusammenfassung:In the formulation of high solids pigmented film-forming coating compositions comprising low molecular weight polyester oligomers, co-dispersing fumed silica with the pigment mill base, then incorporating this co-dispersion into the composition yields enhanced color stability for the coating composition.