USA: Diolen launches first high-tenacity multifilament yarn

FLORENCE: A leading European polyester company with an international reputation for developing and manufacturing Diolen® PET yarns and Diofort® PPS yarns, Diolen Industrial Fibers is offering the first high-tenacity multifilament yarn called Diofort®. Diofort®, is inherently flame-retardant having high durability, toughness and chemical resistance, and withstands extremely hot environments that can stress conventional multifilament to their performance limits.

Diofort® is made with Fortron® polyphenylene sulfide (PPS), which is produced by Fortron Industries LLC, a joint venture of Ticona Engineering Polymers and Kureha Corporation.

Diofort® yarn in a multi-stage process. After plasticising and extruding Fortron PPS in a multifilament extruder at the desired diameter, individual filaments undergo controlled stretching in a well-defined temperature range. This yields a high-tenacity multifilament yarn having excellent mechanical properties for use as reinforcement or in fabrics, nonwovens or other textiles. The yarns can be combined with glass, carbon and other polymer fibers to yield blended fabrics.

The multifilament is also used to reinforce hydraulic oil hoses in power steering systems where it helps to reduce vibration and noise. It also can be applied in other vehicle systems, such as fuel lines and charge-air coolers, to provide resistance to high pressure and temperature while allowing for hose flexibility.

Fortron PPS gives the Diofort yarns and their fabrics excellent chemical resistance to withstand aggressive media, low water absorption, high strength to 190°C (about 375°F) and flame retardancy.

Ticona Engineering Polymers, the engineering polymers business of Celanese Corporation, produces and markets a broad range of high performance products, and employs approximately 2000 individuals at production, compounding and research facilities in the USA, Germany and Brazil.

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Added: November 15, 2007 Source: Diolen Industrial Fibers.
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