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- Title
Surface characteristics of coating layers formed by coating pigments with different particle sizes and size distribution.
- Authors
Tyagi, Sanjay; Ray, A.; Sood, Y.
- Abstract
The effects of coating color raw material variables were tested on absorbing and non-absorbing base materials. The particle size of the coating pigments was the main variable affecting the gloss of the non-absorbing base materials. Adding binders and increasing the drying temperature has a negative effect on the gloss development of both calendered and uncalendered coating layers. On calendered layers, coating layer films showed more gloss development than for coated papers, especially with coarse particles. Uncalendered calcium carbonate-coated papers have a higher PPS roughness than calendered clay-coated papers. The effectiveness of calendering, as described by 'calenderability,' showed an increase in gloss with increasing number of nips, irrespective of size, and size distribution of pigment particles.
- Subjects
COATING processes; BINDING agents; PAPER coatings; PIGMENTS; TEXTILE treatments industry
- Publication
Journal of Coatings Technology & Research, 2010, Vol 7, Issue 6, p747
- ISSN
1945-9645
- Publication type
Article
- DOI
10.1007/s11998-010-9261-6