Methods for preparing polymers from phenolic materials and compositions relating thereto

US7728082B2 · kind B2 · utility

Assignee

• Du Pont Electronic Polymers L.P. · US

Inventors

• Keith Kunitsky · New Garden Township, US
• Michael T. Sheehan · Port Aransas, US
• James R. Sounik · Port Aransas, US
• Mark E. Wagman · Wilmington, US

Key dates

• Filing date: Mar 16, 2009
• Grant date: Jun 1, 2010
• Expiry date: Mar 16, 2029

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F212/08
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process for producing a stable polymer such as poly(hydroxystyrene) which comprises the decarboxylation of a corresponding phenolic in the presence of a non-amine basic catalyst and a polar organic solvent, followed by the polymerization thereof.