Use of organofunctionally modified polysiloxanes containing phenyl derivatives as dispersants and wetting agents for fillers and pigments in aqueous pigment pastes and ink or paint formulations

US7018458B2 · kind B2 · utility

Assignee

• GOLDSCHMIDT HOLDING GMBH · DE

Inventors

• Wilfried Knott · Essen, DE
• Kathrin Lehmann · Leverkusen, DE
• Stefan Silber · Krefeld, DE

Key dates

• Filing date: Jul 18, 2003
• Grant date: Mar 28, 2006
• Expiry date: Aug 16, 2023

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09D7/45
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to the use of organofunctionally modified polysiloxanes containing phenyl derivatives as dispersants for preparing aqueous pigment formulations, paints, coating materials, and coatings. For the purposes of this invention the term “polysiloxanes” shall be understood to embrace oligomeric siloxanes as well.