Polyamide composition comprising a layered clay material modified with an alkoxylated onium compound

US6548587B1 · kind B1 · utility

Assignee

• The University of South Carolina Research Foundation · US

Inventors

• Shriram Bagrodia · Kingsport, US
• John Walker Gilmer · Kingsport, US
• Jeffrey Todd Owens · Kingsport, US
• Linda Gail Bernard · Kingsport, US
• Sam Richard Turner · Kingsport, US
• James C. Matayabas, Jr. · Chandler, US
• Vasiliki Psihogios · Wheeling, US
• Tie Lan · Lake Zurich, US

Key dates

• Filing date: Jun 14, 2000
• Grant date: Apr 15, 2003
• Expiry date: Jul 9, 2020

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K7/00
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

This invention relates to a composite composition comprising one or more polyamide polymers or copolymers, one or more layered clay materials, and one or more alkoxylated ammonium cations. The invention also relates to a process for preparing a nanocomposite and articles produced from the nanocomposite, including bottles.