Latex uniformity in the coating layer of paper

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23 Citations (Scopus)

Abstract

ATR-IR mapping was used to analyze the amount and uniformity of SB latex on the surface of coated paper. It was found that laboratory coatings containing CMC had a higher surface latex content and better uniformity than those without CMC. In calcium carbonate pilot coatings, surface latex content increased and uniformity improved as coat weight increased. However, back-trap mottle was greater in the samples with higher coat weights. In all pilot coatings, the surface latex content was 1-2 parts lower than in the coating color formulation itself. IR surface analysis and z-directional latex distribution analysis suggest that during coating layer consolidation the latex moved towards the base paper more than the pigment.

Original languageEnglish
Pages (from-to)665-669
Number of pages5
JournalNordic Pulp and Paper Research Journal
Volume21
Issue number5
DOIs
Publication statusPublished - 1 Dec 2006
MoE publication typeA1 Journal article-refereed

Keywords

  • Coated paper
  • Infrared spectroscopy
  • Latex
  • SEM

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