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Hyperbranched methacrylates by self‐condensing group transfer polymerization
Author(s) -
Simon Peter F. W.,
Radke Wolfgang,
Müller Axel H. E.
Publication year - 1997
Publication title -
macromolecular rapid communications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.348
H-Index - 154
eISSN - 1521-3927
pISSN - 1022-1336
DOI - 10.1002/marc.1997.030180915
Subject(s) - polymer chemistry , methacrylate , branching (polymer chemistry) , monomer , copolymer , polymerization , polymer , methyl methacrylate , materials science , end group , composite material
The synthesis of hyperbranched methacrylates was achieved by self‐condensing group transfer polymerization of 2‐(2‐methyl‐1‐triethylsiloxy‐1‐propenyloxy)ethyl methacrylate ( 1 ). “Back‐biting” is shown to be the predominant side reaction. In spite of this, the compact nature of the hyperbranched molecules was demonstrated through SEC‐viscosity measurements and comparison with a linear analogue. The degree of branching can be controlled by copolymerization with conventional monomers, e.g. MMA, and the living polymers can be used as macroinitiators for star‐shaped polymers.
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