Thickeners and binders forming gels in gasoline

US4542171A · kind A · utility

Assignee

• Rohm Co., Ltd. · JP

Inventors

• Wilhelm Elser · Riedlingen, DE
• Klaus Huebner · Ober-Ramstadt, DE
• Werner Siol · Pfungstadt, DE
• Theodor Mager
• Michael Wicke · Seeheim-Jugenheim, DE

Key dates

• Filing date: Sep 13, 1984
• Grant date: Sep 17, 1985
• Expiry date: Sep 13, 2004

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L51/003
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A two-step emulsion polymerization method for making an aqueous emulsion of core/shell polymer particles recoverable as a polymer powder by spray drying the emulsion, said polymer being capable of swelling and forming a gel in gasoline, and paints and coating compositions containing gasoline and such a polymer powder as a thickening agent or binder.