Jove
Visualize
Contact Us

Related Experiment Videos

Stereochemically controlled PMMA-exfoliated silicate nanocomposites using intergallery-anchored metallocenium

Wesley R Mariott1, Eugene Y-X Chen

  • 1Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523-1872, USA.

Journal of the American Chemical Society
|December 18, 2003
PubMed
Summary

Researchers anchored metallocene complexes within silicate galleries using protonolysis. This enabled the first in situ synthesis of nanocomposites with dispersed silicate nanoplatelets in various PMMA matrices.

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

Functional and Network PHAs via Stereoselective Polymerization and Tailored Post-Transformation.

Angewandte Chemie (International ed. in English)·2026
Same author

Positional Isomer of P3HB by Stereoselective Polymerization of Racemic α-Methyl-β-propiolactone Delivers Polyethylene-like Properties.

Journal of the American Chemical Society·2026
Same author

Counterintuitive Compatibilization of Poly(δ-valerolactone) and Poly(l‑lactic acid) by Statistical Copolymers toward Compostable and Recyclable Packaging.

ACS sustainable chemistry & engineering·2026
Same author

Alkylidene functionalization produces highly recyclable and scalable polyhydroxyalkanoates.

Science (New York, N.Y.)·2026
Same author

A Circular and Tacticity-Independent Crystalline Mono-Substituted Nylon-6 Platform: Unexpected Large Positional Effects on Crystallizability and Performance.

Angewandte Chemie (International ed. in English)·2026
Same author

Tacticity-independent crystallization of polymers.

Nature chemistry·2026
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

Area of Science:

  • Materials Science
  • Polymer Chemistry
  • Nanotechnology

Background:

  • Metallocene complexes are crucial catalysts in polymerization.
  • Incorporating nanoparticles into polymer matrices can enhance material properties.
  • Traditional methods for anchoring catalysts within layered silicates can be limited.

Purpose of the Study:

  • To develop a novel method for anchoring metallocene complexes within silicate galleries.
  • To synthesize in situ polymerized nanocomposites with exfoliated silicate nanoplatelets.
  • To achieve homogeneous dispersion of silicate nanoplatelets within different poly(methyl methacrylate) (PMMA) matrices.

Main Methods:

  • Non-cation-exchange anchoring of metallocene complexes via protonolysis.
  • In situ polymerization within silicate galleries.

Related Experiment Videos

  • Exfoliation of silicate nanoplatelets.
  • Characterization of resulting nanocomposites.

    • Main Results:

    • Successfully anchored C2v-, C2-, and Cs-symmetric metallocene complexes within silicate galleries.
    • Achieved the first synthesis of in situ polymerized nanocomposites.
    • Demonstrated homogeneous dispersion of exfoliated silicate nanoplatelets in atactic, isotactic, and syndiotactic PMMA.

    Conclusions:

    • Protonolysis offers an effective non-cation-exchange route for anchoring metallocene catalysts in silicates.
    • This method facilitates the creation of advanced polymer nanocomposites with tailored properties.
    • The developed technique opens new avenues for catalyst immobilization and nanocomposite fabrication.