Rheology and phase behavior of copolymer-templated nanocomposite materials

Danilo C. Pozzo, Kate R. Hollabaugh, Lynn M. Walker

Research output: Contribution to journalReview articlepeer-review

43 Scopus citations

Abstract

The mechanical properties of three-dimensionally organized nanocomposite materials composed of nanometer-sized inorganic particles dispersed in micelle cubic crystals is studied rheologically. The influence of parameters including temperature, relative concentrations, and the relative size of particles and the micelles that make up the cubic crystal is explored using oscillatory shear and creep measurements. These parameters have a significant influence on the mechanical properties of the final nanocomposite materials. Additionally, we find that the properties of the samples depend strongly on the temperature profile that is used to form the micelle crystal. Results indicate the importance of particle-template stoichiometry and relative particle size (to the micelle size) on the mechanical properties of the nanocomposites.

Original languageEnglish (US)
Pages (from-to)759-782
Number of pages24
JournalJournal of Rheology
Volume49
Issue number3
DOIs
StatePublished - 2005
Externally publishedYes

Bibliographical note

Funding Information:
We are thankful to BASF and to Grace Davison for the donation of the raw materials used in this work. We also wish to acknowledge the PPG foundation and National Science Foundation (CTS-9871110) for rheological equipment. D.C.P. also acknowledges the PPG foundation for research funding.

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