New Method To Access Hyperbranched Polymers with Uniform Structure via One-Pot Polymerization of Inimer in Microemulsion

A facile approach is presented for successful synthesis of hyperbranched polymers with high molecular weight and uniform structure by a one-pot polymerization of an inimer in a microemulsion. The segregated space in the microemulsion confined the inimer polymerization and particularly the polymer–po...

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Bibliographic Details
Published in:Journal of the American Chemical Society 2012-09, Vol.134 (38), p.15680-15683
Main Authors: Min, Ke, Gao, Haifeng
Format: Article
Language:English
Subjects:
Emulsions
Magnetic Resonance Spectroscopy
Molecular Structure
Polymers - chemistry
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Summary:A facile approach is presented for successful synthesis of hyperbranched polymers with high molecular weight and uniform structure by a one-pot polymerization of an inimer in a microemulsion. The segregated space in the microemulsion confined the inimer polymerization and particularly the polymer–polymer reaction within discrete nanoparticles. At the end of polymerization, each nanoparticle contained one hyperbranched polymer that had thousands of inimer units and low polydispersity. The hyperbranched polymers were used as multifunctional macroinitiators for synthesis of “hyper-star” polymers. When a degradable inimer was applied, the hyper-stars showed fast degradation into linear polymer chains with low molecular weight.
ISSN:0002-7863
1520-5126
DOI:10.1021/ja307174h