Teijin Develops Highly Modified Cross-section Crimped Yarn: SOLOTEX OCTA

TOKYO — November 15, 2018 — Teijin Frontier Co. Ltd., the Teijin Group’s fiber and products converting company, announced today that it has developed SOLOTEX OCTA, a highly modified cross-section crimped yarn that is extra bulky, lightweight, stretchable and shape-recovering. Samples will be provided in the fiscal year 2018. Teijin Frontier expects annual sales of staple-fiber Solotex Octa to reach 400 tons and sales of filament Solotex Octa to reach one million meters as textiles by the fiscal year ending in March 2023.

Synthetic staple fiber insulation that is extra shape-recovering after compression, bulky and lightweight is in demand as a substitute for natural feathers. There also is demand for extra bulky, lightweight and stretchable synthetic filament, but until now, manufacturers have found it difficult to produce such fiber that is both bulky and stretchable.

Teijin Frontier developed Solotex Octa by transforming the cross-sectional shape of Solotex, a stretchable, shape-recovering and high-cushioning material, into a highly modified cross section comprising eight projections aligned in a radial pattern around a hollow fiber.

Solotex Octa offers the following features in addition to those of Solotex:

  • Shape-recovering after compression, highly bulky, lightweight and stretchable owing to the clearance between fibers.
  • When used for staple fibers, maintains its coiled crimp structure with rigidity due to its cross-section shape, resulting in shape-recovering after compression, high stretchability and cushioning.
  • Textiles are absorbent, quick drying, anti-transparent, and provide thermal barriers and insulation due to Solotex Octa’s large surface area.

Teijin Frontier envisions a wide range of promising applications for Solotex Octa, including fashionwear, industrial materials and more. The staple-fiber version will be used in place of feathers mainly for bedding. The filament version of Solotex Octa will be used in textiles for sportswear and fashionwear.

Posted November 15, 2018

Source: Teijin Group