Journal
BIOMACROMOLECULES
Volume 9, Issue 3, Pages 1035-1043Publisher
AMER CHEMICAL SOC
DOI: 10.1021/bm701067d
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Syntheses of vinylsilyl alcohols having one to three vinyl moieties and their use as initiators for ethylene oxide polymerizations are discussed. Poly(ethylene oxide) oligomers with vinylsilanes at one end and a hydroxyl group at the other were prepared in base-catalyzed reactions. Molecular weights determined from H-1 NMR and gel permeation chromatography were close to the targeted values. Carboxylic acid functional poly(ethylene oxide) oligomers were prepared from ene-thiol addition reactions of mercaptoacetic acid across the vinylsilane terminus. It is anticipated that these carboxylic acid functional oligomers will complex to magnetite nanoparticles to afford complexes that can be dispersed in aqueous media.
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