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Hyperbranched carbosilane oxazoline‐macromonomers: polymerization and coupling to a trimesic acid core
Author(s) -
Lach Christian,
Hanselmann Ralf,
Frey Holger,
Mülhaupt Rolf
Publication year - 1998
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/(sici)1521-3927(19980901)19:9<461::aid-marc461>3.0.co;2-8
Subject(s) - macromonomer , polymer chemistry , trimesic acid , oxazoline , polymerization , copolymer , dendrimer , degree of polymerization , materials science , chemistry , polymer , molecule , organic chemistry , catalysis
Attachment of oxazoline‐based hyperbranched macromonomers to a trimesic acid core affording trimers of the hyperbranched fragments as well as polymerization of the oxazoline groups is reported. Polymerization and copolymerization with 2‐phenyl‐1,3‐oxazoline were investigated for two macromonomers ( M w = 1700 and 8 000, respectively), resulting in hyperbranched analogs of combburst polymers. Homopolymerization of the macromonomers yielded a degree of polymerization DP ≈ 15. Hyperbranched trimers and the polyethyleneimines with apolar hyperbranched carbosilane side‐chains form superstructures in solution and in bulk.