Role of hard segment induced nanosized domain on dilute solution properties of ether based thermoplastic polyurethanes

K. W. Lem, D. S. Lee, J. R. Haw, G. S. Song, S. Curran, S. Sund, Z. Iqbal, C. Brumlik

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A systematic study was conducted on the effect of hard segment molecular weight on solution and bulk properties of ether based thermoplastic polyurethanes (TPUs). The purpose of this study is to provide a roadmap to deliver the desired end-use performance of a polyurethane product based on the optimal design of the starting materials using a bottom-up approach [1]. We found the role of nanosized domains induced by hard segment molecular weight significantly impacts the solution, rheological and bulk properties of TPU. Also, at a limiting weight fraction of the hard segment, the increase in weight fraction of the hard segment has a diminishing effect for both solution and bulk properties. Highlights of the experimental findings in the TPU synthesis and characterization of solution properties are discussed.

Original languageEnglish (US)
Title of host publicationTechnical Proceedings of the 2011 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2011
Pages624-627
Number of pages4
StatePublished - Nov 23 2011
EventNanotechnology 2011: Advanced Materials, CNTs, Particles, Films and Composites - 2011 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2011 - Boston, MA, United States
Duration: Jun 13 2011Jun 16 2011

Publication series

NameTechnical Proceedings of the 2011 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2011
Volume1

Other

OtherNanotechnology 2011: Advanced Materials, CNTs, Particles, Films and Composites - 2011 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2011
Country/TerritoryUnited States
CityBoston, MA
Period6/13/116/16/11

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Surfaces, Coatings and Films
  • Surfaces and Interfaces

Keywords

  • Dilute solution properties
  • Flory-Huggins
  • Synthesis
  • Thermoplastic polyurethanes (TPUs)

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