𝔖 Bobbio Scriptorium
✦   LIBER   ✦

One-Step Method for Synthesis of PDMS-Based Macroazoinitiators and Block Copolymers from the Initiators

✍ Scribed by Libang Feng; Hongxia Fang; Shuxue Zhou; Limin Wu

Publisher
John Wiley and Sons
Year
2006
Tongue
English
Weight
251 KB
Volume
207
Category
Article
ISSN
1022-1352

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

Summary: This paper presents a facile one‐step method for the synthesis of macroazoinitiator (MAI) by direct polycondensation of hydroxyalkyl‐terminated polydimethylsiloxane (PDMS) with 4,4′‐azobis‐4‐cyanopentanoic acid (ACPA) under mild conditions. The PDMS‐based MAI was characterized by FTIR, ^1^H NMR, GPC, and UV spectroscopy, and further used as an initiator for polymerization of methyl methacrylate (MMA) to obtain PMMA‐co‐PDMS block copolymer. TEM observation and DSC analysis demonstrated that the PMMA‐co‐PDMS block copolymer had a microphase‐separated structure.

Schematic representation for syntheses of macroazoinitiators (MAI) by the direct polycondensation and corresponding block copolymers.

imageSchematic representation for syntheses of macroazoinitiators (MAI) by the direct polycondensation and corresponding block copolymers.

📜 SIMILAR VOLUMES

Synthesis of Functionalized NMP Initiato
Synthesis of Functionalized NMP Initiators for Click Chemistry: A Versatile Method for the Preparation of Functionalized Polymers and Block Copolymers
✍ Sven Fleischmann; Hartmut Komber; Dietmar Appelhans; Brigitte I. Voit 📂 Article 📅 2007 🏛 John Wiley and Sons 🌐 English ⚖ 224 KB

## Abstract A novel NMP initiator functionalized with an alkyne group was synthesized and its polymerization behavior investigated. It was shown that the synthesized alkyne end‐functionalized polymers exhibit a linear relationship between calculated number‐averaged molecular weight and the experime