Molecular interactions of soaked nonionic dye in ionomer films

S. H. Lee, W. S. Lee, S. J. Lee, S. S. Kim, I. Kim, K. Song, F. A. Landis, R. B. Moore

Research output: Contribution to journalArticle

Abstract

Sodium and zinc salts of poly(ethylene-eo-methacrylic acid) ionomers consist of three phases, i.e. ionic aggregates, amorphous, and crystalline phases. Dye molecules after soaked from the methanol solution are located near the amorphous phase or ionic aggregates within ionomer films. Depending on the location of the molecules in the ionomer film, they are under influence of dispersion forces (ethylene parts), polar forces (acid parts), and ionic dipole (ionic aggregates) interactions. The UV/Vis absorption peak of Nile Red under the dispersion force is found at near 500 nm, for the dye under the polar force effect 525 nm, and 550 and 610 nm for the dyes under Na+ and Zn2+ ionization effects, respectively. Since the divalent Zn2+ ion has larger ionic dipole than the monovalent Na+ ion, the larger red-shift of the absorption band due to the ionic dipole interaction is observed for Zn2+ counter ion.

Original languageEnglish (US)
Pages (from-to)671-678
Number of pages8
JournalPolymer (Korea)
Volume25
Issue number5
StatePublished - Dec 1 2001

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Molecular interactions
Ionomers
Coloring Agents
Dyes
Ethylene
Molecules
Radiation counters
Acids
Heavy ions
Ionization
Methanol
Zinc
Absorption spectra
Salts
Sodium
Ions
Crystalline materials
ethylene

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Polymers and Plastics
  • Materials Chemistry

Cite this

Lee, S. H., Lee, W. S., Lee, S. J., Kim, S. S., Kim, I., Song, K., ... Moore, R. B. (2001). Molecular interactions of soaked nonionic dye in ionomer films. Polymer (Korea), 25(5), 671-678.
Lee, S. H. ; Lee, W. S. ; Lee, S. J. ; Kim, S. S. ; Kim, I. ; Song, K. ; Landis, F. A. ; Moore, R. B. / Molecular interactions of soaked nonionic dye in ionomer films. In: Polymer (Korea). 2001 ; Vol. 25, No. 5. pp. 671-678.
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Lee, SH, Lee, WS, Lee, SJ, Kim, SS, Kim, I, Song, K, Landis, FA & Moore, RB 2001, 'Molecular interactions of soaked nonionic dye in ionomer films', Polymer (Korea), vol. 25, no. 5, pp. 671-678.

Molecular interactions of soaked nonionic dye in ionomer films. / Lee, S. H.; Lee, W. S.; Lee, S. J.; Kim, S. S.; Kim, I.; Song, K.; Landis, F. A.; Moore, R. B.

In: Polymer (Korea), Vol. 25, No. 5, 01.12.2001, p. 671-678.

Research output: Contribution to journalArticle

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T1 - Molecular interactions of soaked nonionic dye in ionomer films

AU - Lee, S. H.

AU - Lee, W. S.

AU - Lee, S. J.

AU - Kim, S. S.

AU - Kim, I.

AU - Song, K.

AU - Landis, F. A.

AU - Moore, R. B.

PY - 2001/12/1

Y1 - 2001/12/1

N2 - Sodium and zinc salts of poly(ethylene-eo-methacrylic acid) ionomers consist of three phases, i.e. ionic aggregates, amorphous, and crystalline phases. Dye molecules after soaked from the methanol solution are located near the amorphous phase or ionic aggregates within ionomer films. Depending on the location of the molecules in the ionomer film, they are under influence of dispersion forces (ethylene parts), polar forces (acid parts), and ionic dipole (ionic aggregates) interactions. The UV/Vis absorption peak of Nile Red under the dispersion force is found at near 500 nm, for the dye under the polar force effect 525 nm, and 550 and 610 nm for the dyes under Na+ and Zn2+ ionization effects, respectively. Since the divalent Zn2+ ion has larger ionic dipole than the monovalent Na+ ion, the larger red-shift of the absorption band due to the ionic dipole interaction is observed for Zn2+ counter ion.

AB - Sodium and zinc salts of poly(ethylene-eo-methacrylic acid) ionomers consist of three phases, i.e. ionic aggregates, amorphous, and crystalline phases. Dye molecules after soaked from the methanol solution are located near the amorphous phase or ionic aggregates within ionomer films. Depending on the location of the molecules in the ionomer film, they are under influence of dispersion forces (ethylene parts), polar forces (acid parts), and ionic dipole (ionic aggregates) interactions. The UV/Vis absorption peak of Nile Red under the dispersion force is found at near 500 nm, for the dye under the polar force effect 525 nm, and 550 and 610 nm for the dyes under Na+ and Zn2+ ionization effects, respectively. Since the divalent Zn2+ ion has larger ionic dipole than the monovalent Na+ ion, the larger red-shift of the absorption band due to the ionic dipole interaction is observed for Zn2+ counter ion.

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Lee SH, Lee WS, Lee SJ, Kim SS, Kim I, Song K et al. Molecular interactions of soaked nonionic dye in ionomer films. Polymer (Korea). 2001 Dec 1;25(5):671-678.