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Pigmented aqueous barrier coatings, TAPPI Journal November 2020
ABSTRACT: The desire for more sustainable packaging has led to the development of new packaging materials that are fiber based. Aqueous coatings are a pathway to improve the recyclability of these materials. Pigments used in these coatings can improve the performance of the coating and reduce cost while further improving the recyclability. Mineral pigments are also considered to be compost neutral. In this paper, we provide the reader a better fundamental understanding of the mechanisms by which pigments work in barrier coatings. A pigment’s mineralogy and physical characteristics are important to how it will perform, and there have been recent pigment developments that improve coating performance. This paper shows that some pigments are better than others in particular barrier applications. Also, pigmented base or pre-coats can be used to prepare the surface for more highly functional coatings that go on top, improving the barrier function of packaging material and reducing overall cost. Finally, the converting operation is of major importance in driving formulation choices for barrier applications.
Journal articles
Ink-jet dye fixation and coating pigments, TAPPI JOURNAL, August 1999, Vol. 82(8)
Ink-jet dye fixation and coating pigments, TAPPI JOURNAL, August 1999, Vol. 82(8)
Journal articles
Modeling paper strain in a calender nip, TAPPI JOURNAL, August 1999, Vol. 82(8)
Modeling paper strain in a calender nip, TAPPI JOURNAL, August 1999, Vol. 82(8)
Journal articles
1998 tappi salary survey, TAPPI JOURNAL, August 1999, Vol. 82(8)
1998 tappi salary survey, TAPPI JOURNAL, August 1999, Vol. 82(8)
Journal articles
New rail car helps better protect pulp during shipping, TAPPI JOURNAL, December 1999, Vol. 82(12)
New rail car helps better protect pulp during shipping, TAPPI JOURNAL, December 1999, Vol. 82(12)
Journal articles
Shop talk: laboratory test methods help diagnose printability problems, part II, TAPPI JOURNAL, December 1999, Vol. 82(12)
Shop talk: laboratory test methods help diagnose printability problems, part II, TAPPI JOURNAL, December 1999, Vol. 82(12)
Journal articles
International paper strengthens its eastern european base at kwidzyn, TAPPI JOURNAL, February 1999, Vol. 82(2)
International paper strengthens its eastern european base at kwidzyn, TAPPI JOURNAL, February 1999, Vol. 82(2)
Journal articles
An ever-improved swiecie mill, TAPPI JOURNAL, February 1999, Vol. 82(2)
An ever-improved swiecie mill, TAPPI JOURNAL, February 1999, Vol. 82(2)
Journal articles
Pressing knots and shives, TAPPI JOURNAL, February 1999, Vol. 82(2)
Pressing knots and shives, TAPPI JOURNAL, February 1999, Vol. 82(2)
Journal articles
ISO Brightness of Fluorescent Papers and Indoor Whiteness; Proposal for Illuminant, TAPPI JOURNAL, January 1999, Vol. 83(5)
ISO Brightness of Fluorescent Papers and Indoor Whiteness; Proposal for Illuminant, TAPPI JOURNAL, January 1999, Vol. 83(5)