Suspension of inorganic fillers in a polyesterpolyol and production method

The present invention relates to a suspension of an inorganic filler in a polyesterpolyol and the method for producing this suspension. It relates more especially to a stable suspension comprising, as liquid medium, a polyesterdiol compound and, as dispersed particles, an inorganic particulate fille...

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Hauptverfasser: CARVALHO QUINTINO, SEREDA LUCIANE, MARGARITELLI MARILISE
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The present invention relates to a suspension of an inorganic filler in a polyesterpolyol and the method for producing this suspension. It relates more especially to a stable suspension comprising, as liquid medium, a polyesterdiol compound and, as dispersed particles, an inorganic particulate filler at a weight concentration of between 0.8 and 8%. Such suspensions are used, for example, for producing polyurethanes such as polyurethane foams or thermoplastic polyurethanes.