Characterization of filled powders for powder coating of paper

Mika Vähä-Nissi

doi:10.1016/j.powtec.2015.04.008

Characterization of filled powders for powder coating of paper

Mika Vähä-Nissi

VTT Technical Research Centre of Finland

Research output: Contribution to journal › Article › Scientific › peer-review

2 Citations (Scopus)

Abstract

The purpose of this study was to evaluate the feasibility of using highly filled powders with 100 parts per weight of calcium carbonate and 10 parts per weight of polymer, acting as binder, as electrostatically applied paper coatings. Such powders prepared by different methods were evaluated as being suitable for electrostatic coating. Powders compacted at elevated temperatures demonstrated cohesion superior to that of calcium carbonate, and at best similar to that of aqueous coatings. Cohesion, porosity and thus absorption properties of compacted powders were affected by the powder preparation method, compaction process, and powder composition. Powders containing semicrystalline polymer turned out to be the most interesting for further testing.

Original language	English
Pages (from-to)	127-133
Journal	Powder Technology
Volume	279
DOIs	https://doi.org/10.1016/j.powtec.2015.04.008
Publication status	Published - 2015
MoE publication type	A1 Journal article-refereed

Keywords

cohesion
electrical properties
powder
powder coating
paper

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Vähä-Nissi, M. (2015). Characterization of filled powders for powder coating of paper. Powder Technology, 279, 127-133. https://doi.org/10.1016/j.powtec.2015.04.008

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