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Coating of Technical Textiles
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Coating of Technical Textiles

Written by: Michael E Hall

Source: New Cloth Market


In this article, we will deal with the chemistry of coatings and their application to various coated technical textiles that ate in use. It will leave the reader to make use of the many excellent reviews, which are referenced in this article, for details of individual items.

Chemistry of en a ted textiles

Coatings used in the production of technical textiles are largely limited to those products that can he produced in the form of a viscous liquid, which can be spread on the surface of a substrate.

This process is followed by a drying or curing process, which hardens the coating so that a non-blocking product is produced. Thus the coatings for these products are limited to linear polymers, which can be coated as a polymer melt or solution and on cooling form a solid film or form a solid film by evaporation of the solvent.

There are some types of coatings that can he applied in the liquid form and then chemically crosslinked to form a solid film.

The coatings used in technical textiles are all thermoplastic polymers, which are long chain linear molecules, some of which have the ability to crosslink.

The properties of these polymeric materials directly influence the durability and performance of the end product. Therefore, some description of these materials is necessary.



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The Author is associated with Department of Textiles, Faculty of Technology, Bolton Institute, UK

Originally published in New Cloth Market: April 2010

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