Real space structure of opaque gel

Yukiko Doi, Masayuki Tokita

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

The structure of the opaque poly(acrylamide) gels is studied by using a confocal laser scanning microscope. The polymer network of the gel consists of the fractal aggregate of the colloidal particles in the higher concentration region of the cross-linker. The diameter of the colloidal particle, which formed in the gel, increases from 180 to 420 nm with an increase of the concentration of cross-linker. On the other hand, the fractal dimensions of the aggregate remain constant, ranging from 1.5 to 1.7. The densities of the particle are calculated to be 0.7 and 1.2 × 103 kg/m3, which are > 10 times larger than the average density of the polymer network of the gel. The results indicate that the monomer and the cross-linker are densely cross-linked into the particles.

Original languageEnglish
Pages (from-to)5285-5289
Number of pages5
JournalLangmuir
Volume21
Issue number12
DOIs
Publication statusPublished - Jun 7 2005

Fingerprint

Gels
gels
fractals
Polymers
polymers
Fractal dimension
Polyacrylates
Fractals
Particles (particulate matter)
Microscopes
monomers
Monomers
microscopes
Scanning
scanning
Lasers
lasers

All Science Journal Classification (ASJC) codes

  • Physical and Theoretical Chemistry
  • Colloid and Surface Chemistry

Cite this

Doi, Y., & Tokita, M. (2005). Real space structure of opaque gel. Langmuir, 21(12), 5285-5289. https://doi.org/10.1021/la050453n

Real space structure of opaque gel. / Doi, Yukiko; Tokita, Masayuki.

In: Langmuir, Vol. 21, No. 12, 07.06.2005, p. 5285-5289.

Research output: Contribution to journalArticle

Doi, Y & Tokita, M 2005, 'Real space structure of opaque gel', Langmuir, vol. 21, no. 12, pp. 5285-5289. https://doi.org/10.1021/la050453n
Doi Y, Tokita M. Real space structure of opaque gel. Langmuir. 2005 Jun 7;21(12):5285-5289. https://doi.org/10.1021/la050453n
Doi, Yukiko ; Tokita, Masayuki. / Real space structure of opaque gel. In: Langmuir. 2005 ; Vol. 21, No. 12. pp. 5285-5289.
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