Sunscreen textiles in Trevira CS: Stable design ensured by using hybrid yarns to stiffen textile fabrics |
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January 2012 At this year’s R+T in Stuttgart fibre manufacturer Trevira is presenting the opportunities offered to interior sun protection by its range of polyester fibres and filament yarns. These include flame retardant fibres and yarns, as well as hybrid yarns for the manufacture of stiffened textiles. Bicomponent yarns have special properties that make a variety of applications and design variants possible and are therefore the ideal basis material for innovative sunscreen textiles. Trevira NSK (niedrig schmelzende Komponente = low melt component) is a modified polyester, from which hybrid yarns can be made in combination with flame retardant yarns. Trevira CS textiles made in this way are used in the contract sector.
Textile fabrics can be stiffened with the use of Trevira hybrid yarns with low melt component. Photo © Trevira GmbH The low melt component causes the material to stiffen, with the NSK proportion the determining factor in the degree of stiffness achieved. During the finishing process this component makes the textile fabric stiffer. It is not only possible to dye and print the product, it can be pleated or crushed as well and modified as required according to the desired aim. Hybrid yarns offer considerable opportunities in terms of design and technology, and they have a very textile look. In addition, there are important economic and ecological reasons in favour of their use. It is possible to process them in rational and energy-saving ways. At the processing stage partial plasticization makes it unnecessary to apply a coating (with acrylate for instance). Products made from these yarns, therefore, offer a substitute for coated textiles, one produced from a single material, since recyclable end products in 100 % polyester can be manufactured without difficulty. Flame retardant hybrid yarns can be used in sliding panels, roller and vertical blinds, as well as in room dividers and wall coverings. The stiffness gives the material stability, so that it hangs in smooth sections better than conventional products do. Other applications include soundproofing textiles. Today Trevira fibres and filament yarns with a melt fibre component constitute a firm proportion of end uses. In filaments the yarn range is now supplemented by finer titres, both by finer textured variants and now by flat yarns. Flat yarns in particular make it possible to achieve completely new fabrics that have an especially clean impact. It is particularly in the interior sunscreen sector that such very texturless looks are often in demand. While melt fibre yarns have up until now been used manly in weaving, the new finer titres have opened up opportunities in the manufacture of stiffened fabrics based on weft- or warp-knitted materials, offering fresh possibilities in the design of sun protection textiles. Prototypes of Trevira CS textiles made from the new flame retardant hybrid yarns (Photos © Trevira GmbH):
New fine hybrid yarns with stiffening function are the basis for this Trevira CS knitted development.
Trevira CS woven development in honeycomb weave, made from textured hybrid yarns with stiffening effect.
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