Use of 2,2,6,6 tetraalkylpiperidine-N-oxyl radicals having long alkyl chains as polymerization regulators

US6864313B2 · kind B2 · utility

Assignee

• Ciba Specialty Chemicals Corporation · US

Inventors

• Wiebke Wunderlich · Mainz, DE
• Margot Clauss · Riedisheim, FR
• Michael Roth · Herbstein, DE
• Francesco Fuso · Therwil, CH

Key dates

• Filing date: Jan 30, 2003
• Grant date: Mar 8, 2005
• Expiry date: May 29, 2023

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F2/38
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present invention relates to a polymerizable composition, comprising Further objects of the present invention are a process for polymerization and the use of compounds of formula I for the polymerization of ethylenically unsaturated monomers.