Giant wormlike rubber micelles

You Yeon Won, H. Ted Davis, Frank S. Bates

Research output: Contribution to journalArticlepeer-review

627 Scopus citations

Abstract

A low molecular weight poly(ethyleneoxide)-poly(butadiene) (PEO-PB) diblock copolymer containing 50 weight percent PEO forms gigantic wormlike micelles at low concentrations (<5 percent by weight) in water. Subsequent generation of free radicals with a conventional water-based redox reaction leads to chemical cross-linking of the PB cores without disruption of the cylindrical morphology, as evidenced by cryotransmission electron microscopy and small-angle neutron scattering experiments. These wormlike rubber micelles exhibit unusual viscoelastic properties in water.

Original languageEnglish (US)
Pages (from-to)960-963
Number of pages4
JournalScience
Volume283
Issue number5404
DOIs
StatePublished - Feb 12 1999

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