Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Giant wormlike rubber micelles

Won1, Davis, Bates

  • 1Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, MN 55455, USA.

Science (New York, N.Y.)
|February 12, 1999
PubMed
Summary

Researchers created giant, worm-like micelles using a poly(ethyleneoxide)-poly(butadiene) (PEO-PB) copolymer in water. Chemical cross-linking of the polymer cores formed stable, rubbery micelles with unique viscoelastic properties.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Hydrophobia without Known Inoculation or Poisoning - a Case.

Medical examiner (Chicago, Ill.)·2023
Same author

Clinical Reports-Medical Wards of Mercy Hospital.

Chicago medical examiner·2023
Same author

Progressive Locomotor Ataxy.

Chicago medical examiner·2023
Same author

Cimicifuga Racemosa.

Chicago medical examiner·2023
Same author

A Doubtful Case of Diarrhœa.

The Indian medical gazette·2017
Same author

Effect of creatine supplementation on cardiac muscle of exercise-stressed rats.

European journal of applied physiology·2016

Area of Science:

  • Polymer Science
  • Materials Science
  • Rheology

Background:

  • Poly(ethyleneoxide)-poly(butadiene) (PEO-PB) diblock copolymers can self-assemble in aqueous solutions.
  • Controlling the morphology and stability of self-assembled structures is crucial for material applications.

Purpose of the Study:

  • To investigate the formation and properties of PEO-PB diblock copolymer micelles in water.
  • To chemically cross-link the hydrophobic cores of these micelles to enhance stability.
  • To characterize the resulting micellar structures and their viscoelastic behavior.

Main Methods:

  • Diblock copolymer synthesis and characterization.
  • Micelle formation in aqueous solution at low concentrations.
  • Free radical generation for chemical cross-linking of poly(butadiene) cores.
  • Cryotransmission electron microscopy (cryo-TEM) for morphological analysis.
  • Small-angle neutron scattering (SANS) for structural characterization.
  • Viscoelastic property measurements.

Main Results:

  • Formation of gigantic wormlike micelles from PEO-PB copolymer (<5 wt% in water).
  • Successful chemical cross-linking of poly(butadiene) cores without disrupting micellar morphology.
  • Cryo-TEM and SANS confirmed the cylindrical structure of the cross-linked micelles.
  • The resulting wormlike rubber micelles displayed unusual viscoelastic properties.

Conclusions:

  • PEO-PB diblock copolymers can form stable, cross-linked wormlike micelles in water.
  • The cross-linking process preserves the cylindrical morphology, leading to enhanced structural integrity.
  • These novel wormlike rubber micelles possess unique rheological characteristics suitable for advanced material applications.

Related Experiment Videos