Phosphazene compound, preparation method and use thereof

US11242362B2 · kind B2 · utility

Assignee

• Qingdao University of Science and Technology · CN

Inventors

• Zhibo Li · 东风镇, CN
• Na Zhao · Beijing, CN
• Chuanli Ren · Shandong, CN
• Xiaohui Fu · Shandong, CN
• Shaofeng Liu · Shandong, CN

Key dates

• Filing date: Jun 19, 2019
• Grant date: Feb 8, 2022
• Expiry date: Feb 27, 2040

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G77/08
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Provided are a phosphazene compound, a method for preparing a phosphazene compound and a method for producing a polymer with a phosphazene compound as a catalyst. The compound of formula (I) or a solvate thereof, where A is a six- or eight-membered ring consisting of repeated P═N, and B is at least one of unsubstituted or substituted C1-6 alkylamino, unsubstituted or substituted C1-6 cycloalkylamino, unsubstituted or substituted arylamino, or halogen, and B is attached to A at phosphorus in P═N, where R is unsubstituted or substituted C1-6 alkyl, unsubstituted or substituted C1-6 cycloalkyl, unsubstituted or substituted aryl, or unsubstituted or substituted benzyl, or R forms C1-6 heterocycloalkyl together with N attached thereto.