Reclaimed poly (ethylene terephthalate) coating

US6127436A · kind A · utility

Assignee

• Sun Chemical Corporation · US

Inventors

• Subhankar Chatterjee · Hampton, US
• Albert A. Kveglis · Pine Brook, US
• Neil Young · Los Angeles, US
• Robert Kern · Weingarten, DE
• Thomas F. O'Malley · Westfield, US
• Bhalendra J. Patel · Kendall Park, US

Key dates

• Filing date: Oct 26, 1998
• Grant date: Oct 3, 2000
• Expiry date: Oct 26, 2018

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02W30/62
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

An organic oligomer binder produced by depolymerizing virgin, scrap, recycled or reclaimed polyethylene terephthalate via an alcoholysis reaction with branched glycols and esterifiing the resulting polyol oligomer with polybasic carboxylic acids and/or anhydrides.