Process for dispersing pigments and fillers using carboxylic acid esters of tertiary alkylolamines

US4165239A · kind A · utility

Assignee

• Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

• Heinrich Linden · Hilden, DE
• Hans Bornmann · Düsseldorf, DE

Key dates

• Filing date: Jun 19, 1978
• Grant date: Aug 21, 1979
• Expiry date: Jun 19, 1998

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01P2004/84
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A process for improving the dispersibility of inorganic pigments and fillers which comprises contacting said pigments and fillers with esters of aliphatic carboxylic acids having 4 to 22 carbon atoms with tertiary alkylolamines, and recovering a highly dispersible pigment or filler.