Dynamics of poly(vinylmethyl ether) blends with a strongly interassociating copolymer

Kevin A. Masser, James Patrick Runt

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

We apply broadband dielectric relaxation spectroscopy to probe the dynamics of hydrogen bonded polymer blends. A copolymer consisting of 2,3-dimethylbutadiene (DMB) [86%] and p-(hexafluoro-2-hydroxyl-2-propyl)styrene (HFS) [14%] was synthesized and blended with poly(vinylmethyl ether) (PVME). The copolymer is capable of forming strong intermolecular hydrogen bonds, while minimizing the degree of intramolecular associations, and its blends with PVME are predicted to be miscible over the entire composition range. Two segmental processes, a and a 1a 1) is assigned to the segmental motion of the intermolecularly associated copolymer, and the faster process (a) to segmental motions of PVME modified by the HFS:DMB copolymer. A relaxation associated with residual water is present in the glassy state. A local process due to motions of the PVME ether groups (b) is also present in the glassy state, and does not change with blend composition.

Original languageEnglish (US)
Pages (from-to)221-227
Number of pages7
JournalMacromolecular Symposia
Volume279
Issue number1
DOIs
StatePublished - May 1 2009

Fingerprint

Ether
Ethers
ethers
copolymers
Copolymers
Styrene
Dielectric relaxation
polymer blends
Polymer blends
Chemical analysis
styrenes
Hydroxyl Radical
Hydrogen
Hydrogen bonds
Spectroscopy
hydrogen bonds
broadband
Water
probes
hydrogen

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Organic Chemistry
  • Polymers and Plastics
  • Materials Chemistry

Cite this

Masser, Kevin A. ; Runt, James Patrick. / Dynamics of poly(vinylmethyl ether) blends with a strongly interassociating copolymer. In: Macromolecular Symposia. 2009 ; Vol. 279, No. 1. pp. 221-227.
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Dynamics of poly(vinylmethyl ether) blends with a strongly interassociating copolymer. / Masser, Kevin A.; Runt, James Patrick.

In: Macromolecular Symposia, Vol. 279, No. 1, 01.05.2009, p. 221-227.

Research output: Contribution to journalArticle

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AB - We apply broadband dielectric relaxation spectroscopy to probe the dynamics of hydrogen bonded polymer blends. A copolymer consisting of 2,3-dimethylbutadiene (DMB) [86%] and p-(hexafluoro-2-hydroxyl-2-propyl)styrene (HFS) [14%] was synthesized and blended with poly(vinylmethyl ether) (PVME). The copolymer is capable of forming strong intermolecular hydrogen bonds, while minimizing the degree of intramolecular associations, and its blends with PVME are predicted to be miscible over the entire composition range. Two segmental processes, a and a 1a 1) is assigned to the segmental motion of the intermolecularly associated copolymer, and the faster process (a) to segmental motions of PVME modified by the HFS:DMB copolymer. A relaxation associated with residual water is present in the glassy state. A local process due to motions of the PVME ether groups (b) is also present in the glassy state, and does not change with blend composition.

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