Process for preparing a dispersion of inorganic oxide particles in polyester polyol

US12043695B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Frank Thielbeer · Magdeburg, DE
• Christian Koenig · Mannheim, DE
• Heinz-Dieter Lutter · Diepholz, DE
• Amir Doroodian · Lemförde, DE
• Udo Hadick · Lemförde, DE

Key dates

• Filing date: Jun 5, 2019
• Grant date: Jul 23, 2024
• Expiry date: Aug 26, 2041

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K2201/005
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A process for preparing a dispersion of inorganic oxide particles in polyester polyol by mechanically mixing of the inorganic oxide particles at a temperature of more than 160° C. with a polyester polyol having an acid number in the range of from 0.05 to 1.5.