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Bayer MaterialScience Develops New Thermoplastic Polyurethane for Films used to Coat Fabrics

Published on 2005-06-01. Author : SpecialChem

LEVERKUSEN -- Desmopan® DP 6580A MVT (Moisture Vapor Transmission) is a new thermoplastic polyurethane (TPU) developed by Bayer MaterialScience AG for the production of films used to coat fabrics. The material's main feature is its unusually high water vapor permeability which, in the case of a 15 micrometer thick film, amounts to 5,400 grams per square meter per day at 38 °C and 90 percent relative humidity according to DIN Standard 53122. "This high breathability opens up completely new possibilities for coating sports and leisurewear, particularly when using membrane technology," says Jens Ufermann, head of the Coatings and Films Segment in the TPU Business Unit of Bayer MaterialScience.

The high breathability of the thermoplastic polyurethane Desmopan® DP 6580A MVT from Bayer MaterialScience opens up completely new possibilities for coating sports and leisurewear.

The polyether-based TPU can be extruded to produce blown and flat films that are compatible with the adhesives commonly used to bond textiles to films, and are also suitable for lamination. They additionally display very good mechanical strength for films of this type.

Source: Bayer MaterialScience AG


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