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A scanning electron microscope study of the surface structure of model paper coatings
YKI – Ytkemiska institutet.
YKI – Ytkemiska institutet.
2004 (English)In: Colloids and Surfaces A: Physicochemical and Engineering Aspects, ISSN 0927-7757, E-ISSN 1873-4359, Vol. 238, 1-11 p.Article in journal (Refereed)
Abstract [en]

We investigate the structure of model paper coating layers, composed of mineral pigments, latex binders and polymeric thickeners and dispersants, using Scanning Electron Microscopy (SEM). The main aim of the study is to identify how systematic variations in the composition of the coating, including pigment type (calcium carbonate, clay), the glass transition temperature of the binder, type (CMC, EHEC) and molecular weight of the polymeric thickener affect the surface features of the coating layer, including surface roughness and porosity and, consequently, gloss. The samples are investigated mainly in conventional high-vacuum SEM mode; however some studies are also performed with the environmental feature (ESEM mode) at higher pressures and humidities, in order to track dynamic changes drying and rewetting. The results are compared to those of recent measurements on the same systems obtained with Atomic Force Microscopy (AFM), where the local latex film formation process has been carefully studied

Place, publisher, year, edition, pages
2004. Vol. 238, 1-11 p.
Keyword [en]
ESEM, paper coatings, pigments, binders, thickeners
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-26429OAI: oai:DiVA.org:ri-26429DiVA: diva2:1053431
Note
A1612Available from: 2016-12-08 Created: 2016-12-08Bibliographically approved

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