Lignin poly(lactic acid) copolymers

US9567432B2 · kind B2 · utility

Assignee

• The Board of Trustees of the Leland Stanford Junior University · US

Inventors

• Johan Olsson · Bromma, SE
• Yi-Lin Chung · Palo Alto, US
• Russell Jingxian Li · Palo Alto, US
• Robert M. Waymouth · Palo Alto, US
• Elizabeth Sattely · Stanford, US
• Sarah L. Billington · Palo Alto, US
• Curtis W. Frank · Cupertino, US

Key dates

• Filing date: Aug 23, 2013
• Grant date: Feb 14, 2017
• Expiry date: Mar 20, 2034

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08H6/00
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Provided herein are graft co-polymers of lignin and poly(lactic acid) (lignin-g-PLA copolymer), thermoset and thermoplastic polymers including them, methods of preparing these polymers, and articles of manufacture including such polymers.