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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 29, Iss. 36 — Dec. 20, 1990
  • pp: 5332–5335

Fiber optic dynamic light scattering from concentrated dispersions. 3: Particle sizing in concentrates

John C. Thomas and Victoria Dimonie  »View Author Affiliations


Applied Optics, Vol. 29, Issue 36, pp. 5332-5335 (1990)
http://dx.doi.org/10.1364/AO.29.005332


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Abstract

We describe measurements of particle size during the course of a latex emulsion polymerization reaction using fiber optic dynamic light scattering (FODLS). These measurements are compared to results from dynamic light scattering (DLS) measurements performed in the usual way on diluted samples. It is shown that the FODLS measurements follow the DLS results and reliably track the growth of the latex particles throughout the reaction. It thus appears that the FODLS technique is useful for the measurement of particle size in highly concentrated samples, such as is found in latex production.

© 1990 Optical Society of America

History
Original Manuscript: March 8, 1990
Published: December 20, 1990

Citation
John C. Thomas and Victoria Dimonie, "Fiber optic dynamic light scattering from concentrated dispersions. 3: Particle sizing in concentrates," Appl. Opt. 29, 5332-5335 (1990)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-29-36-5332


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References

  1. R. G. W. Brown, “Optical Fibre Sensing Using Light Scattering Techniques,” J. Phys. E 20, 1312–1320 (1987). [CrossRef]
  2. H. Auweter, D. Horn, “Fiber-Optical Quasi-Elastic Light Scattering of Concentrated Dispersions,” J. Colloid Interface Sci. 105, 399–409 (1985). [CrossRef]
  3. R. Falciai, E. Piano, C. Pontiggia, “Use of Optical Fiber to Measure Dynamic Light Scattering,” Appl. Opt. 25, 3983–3984 (1986). [CrossRef] [PubMed]
  4. J. C. Thomas, S. C. Tjin, “Fiber Optic Dynamic Light Scattering (FODLS) from Concentrated Suspensions,” J. Colloid Interface Sci. 129, 15–31 (1989). [CrossRef]
  5. H. Dhadwal, B. Chu, “A Fiber-Optic Light-Scattering Spectrometer,” Rev. Sci. Instrum. 60, 845–853 (1989). [CrossRef]
  6. J. C. Thomas, “Fiber Optic Dynamic Light Scattering from Concentrated Disprsions. 2. Concentration Dependence of the Apparent Diffusion Coefficient,” Langmuir 5, 1350–1355 (1989). [CrossRef]
  7. D. E. Koppel, “Analysis of Macromolecular Polydispersity in Intensity Correlation Spectroscopy: The Method of Cumulants,” J. Chem. Phys. 57, 4814–4820 (1972). [CrossRef]
  8. J. C. Brown, P. N. Pusey, R. Dietz, “Photon Correlation Study of Polydisperse Samples of Polystyrene in Cyclohexane,” J. Chem. Phys. 62, 1136–1144 (1975). [CrossRef]

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