Nitrofunctional polyurethane dispersions for binder compositions

US10000661B2 · kind B2 · utility

Assignee

• ANGUS CHEMICAL COMPANY · US

Inventors

• Patrick E. Brutto · Bloomingdale, US
• George D. Green · College Park, US
• Zhenwen Fu · Lansdale, US
• Eric C. Greyson · Blue Bell, US
• Andrew Hejl · Lansdale, US
• Jia Tang · Tangxia, CN

Key dates

• Filing date: Nov 13, 2013
• Grant date: Jun 19, 2018
• Expiry date: Nov 13, 2033

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G2190/00
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Provided is a binder composition and its use in aqueous based paints and coatings and other applications. The binder composition comprises: a polyurethane dispersion containing water and a polyurethane polymer, wherein the polyurethane polymer is prepared by reacting a nitroalcohol compound, a polyol compound, a polyisocyanate compound, and optionally chain extenders, wherein the nitroalcohol compound is of formula I, wherein R, R1, and Z are as defined herein.