Process for preparing polymers in the presence of triazolyl radicals

US6380315B1 · kind B1 · utility

Assignees

• BASF SE
• Max-Planck-Gesellschaft zur Föderung der Wissenschaften e.V. · US

Inventors

• Michael Fischer · Ludwigshafen, DE
• Jurgen Koch · Refrath, DE
• Wolfgang Paulus · Lam, DE
• Klaus Müllen
• Markus Klapper · Mainz, DE
• Marco Steenbock · Mainz, DE
• Daniel M. Colombani · Abenberg, DE

Key dates

• Filing date: Mar 10, 1999
• Grant date: Apr 30, 2002
• Expiry date: Mar 10, 2019

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09B21/00
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A process for preparing polymers which comprises conducting polymerization in the presence of free radicals of the formula I where Q is NR2 or S and T is CR3R4 or S and R1, R2, R3 and R4 can be identical or different and independently are hydrogen, C1- to C20-alkyl or C6- to C18-aryl.