Light Scattering by Pigmentary Rutile in Polymeric Films

Slepetys, Richard A.; Sullivan, William F.

doi:10.1021/i360035a002

Product R&D

1970

DOI: 10.1021/i360035a002

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Light Scattering by Pigmentary Rutile in Polymeric Films

Richard A. Slepetys¹,

William F. Sullivan²

Abstract: His research activities include light scattering by pigments, solid state reactions, fluid energy milling, and various other facets of titanium pigment technology. He is a member of the American Association for the Advancement of Science, the American Chemical Society, and Tau Beta Pi.

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2006

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Cited by 5 publications

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High PVC film‐forming composite latex particles via miniemulsification, part 3: Optical properties

Al‐Ghamdi

Sudol

Dimonie

et al. 2006

J of Applied Polymer Sci

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ABSTRACT:The optical properties of films cast from latexes comprising TiO 2 particles encapsulated in poly(styrene-co-n-butyl acrylate) prepared by miniemulsification and having high loading (11-70% pigment volume concentration (PVC)) were investigated. Contrast ratio (CR) measurements for all batches showed that a 3 mil film (obtained at 43% PVC) was the minimum thickness at which 98% CR could be achieved. Also, the greatest hiding power (HP) (535 ft 2 /gal) was obtained at 43% PVC. In addition, gloss measurements showed that as the TiO 2 loading increased, the gloss decreased, indicating that the increasing amount of TiO 2 contributed to a reduction in the surface smoothness. The effects of surfactant concentration (sodium lauryl sulfate) on the encapsulated particle size and the optical properties of the encapsulated films for the 11% PVC system are described. The effect of varying the sonifier operating conditions on the TiO 2 particle size, encapsulated particle size, and the optical properties of the encapsulated films for the 43% PVC system was also investigated. A comparative study of the optical properties of films cast from encapsulated latex particles with films cast from physical blends of polymer particles and pigment at the same TiO 2 loading and film thickness was made. The optical properties (i.e., CR and gloss) showed a clear advantage of the miniemulsification process over the blends.

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High PVC film‐forming composite latex particles via miniemulsification, part 3: Optical properties

Al‐Ghamdi

Sudol

Dimonie

et al. 2006

J of Applied Polymer Sci

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show abstract

The rôle of commercial pigments in the photo-degradation of poly(vinyl chloride) (PVC)

Skowronski

Rabek

Rånby

1984

Polymer Degradation and Stability

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Soft and harder multivariate modelling in developing the properties of titanium dioxide pigments

Taavitsainen

Jalava

1995

Chemometrics and Intelligent Laboratory Systems

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Light Scattering by Pigmentary Rutile in Polymeric Films

Abstract: His research activities include light scattering by pigments, solid state reactions, fluid energy milling, and various other facets of titanium pigment technology. He is a member of the American Association for the Advancement of Science, the American Chemical Society, and Tau Beta Pi.

Cited by 5 publications

References 3 publications

High PVC film‐forming composite latex particles via miniemulsification, part 3: Optical properties

High PVC film‐forming composite latex particles via miniemulsification, part 3: Optical properties

The rôle of commercial pigments in the photo-degradation of poly(vinyl chloride) (PVC)

Soft and harder multivariate modelling in developing the properties of titanium dioxide pigments

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