Complex refractive index of starch acetate used as a biodegradable pigment and filler of paper

P. Karvinen, A. Oksman, R. Silvennoinen, Hannu Mikkonen

Research output: Contribution to journalArticleScientificpeer-review

13 Citations (Scopus)

Abstract

Complex refractive index of strongly depolarizing starch acetate is investigated as a function of bulk package density, which is compulsory parameter in analysis of light scattering from nanoscale starch acetate pigments and fillers.
The measurements were made using a laser-goniometer and spectrophotometer to gain data for refractive index analysis according to the Brewster’s law and Fresnel equations.
The real part of refractive index was verified by microscopic immersion method.
Original languageEnglish
Pages (from-to)1171-1176
JournalOptical Materials
Volume29
Issue number9
DOIs
Publication statusPublished - 2007
MoE publication typeA1 Journal article-refereed

Keywords

  • complex refractive index
  • starch acetate
  • powder
  • tablet
  • starch
  • paper
  • paper pigments
  • paper properties

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