Multifunctional sulfur-containing polymers, compositions thereof and methods of use

US8729216B2 · kind B2 · utility

Assignee

• PRC-DESOTO INTERNATIONAL, INC. · US

Inventors

• Stephen J. Hobbs · Gilbert, US
• Gregory J. McCollum · Allison Park, US
• Juexiao Cai · Santa Clarita, US
• Marfi Ito · Culver City, US
• Lawrence G. Anderson · Washington, US
• Renhe Lin · Santa Clarita, US

Key dates

• Filing date: Mar 6, 2012
• Grant date: May 20, 2014
• Expiry date: Mar 6, 2032

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G18/006
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Disclosed are multifunctional sulfur-containing polymers that are the reaction products of a sulfur-containing diol, a polyol containing at least three hydroxyl groups per polyol molecule, and an aldehyde, a ketone, or a combination thereof. Sealant compositions comprising the multifunctional sulfur-containing polymers are also disclosed.