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 language | English (US) |
|---|---|
| Pages (from-to) | 960-963 |
| Number of pages | 4 |
| Journal | Science |
| Volume | 283 |
| Issue number | 5404 |
| DOIs | |
| State | Published - Feb 12 1999 |