#Recycling / Circular Economy

2020-07-02

Teijin Frontier’s new high-stretch SOLOTEX®ECO-hybrid fiber made with plant-derivedand recycled materials

Teijin Frontier Co., Ltd., the Teijin Group's fibers and products converting company, announced today its new SOLOTEX®ECO-Hybrid high-stretchside-by-side (S/S) conjugated fiber an eco-friendly plant-derived polymer with a chemically recycled polyester polymer, each featuring different heat-shrinkage characteristics to enable the formation of coiled crimpyarn.

SOLOTEX®ECO-Hybrid represents a new line in Teijin Frontier’s polytrimethylene terephthalate (PTT) fiber SOLOTEX®family. SOLOTEX®ECO-Hybrid filament yarn and textile will be introduced as a featured product for 2020 autumn/winter fashion apparel, offering many possibilities for enhanced sportwear, uniforms and more. Annual sales of SOLOTEX®ECO-Hybridare expected to grow from JPY 500 million in 2020 to JPY 1.5 billion in 2022 (filament yarn equivalent).

Key Features of SOLOTEX®ECO-Hybrid

Polymers

Extra stretchability achieved with newtechnology for conjugating PTTpolymer and polyethylene terephthalate (PET) polymer made with chemically recycled raw material, which are then processed to create a crimp structure.

Filament production

Crimp structure is equivalent to that of petroleum-derived raw materials.Dyeability achieved with optimizedyarn-making conditions.

SOLOTEX®ECO-Hybridcrimp structure (c) 2020 Teijin

SOLOTEX®ECO-Hybridcross section (c) 2020 Teijin

SOLOTEX®ECO-Hybrid has the same features asconventional S/S conjugated fibermade with petroleum-derived raw materials.

Eco-friendly

PTT polymer is partly made with plant-derived raw materials and PET polymer is made with chemical recycled raw materials such as used polyester fibers.

Versatile fineness

Wide range of fineness, from 33-330 decitex, *and filament yarn processing is possible.

Highly practical

Very stretchable and dyeable, equivalent to those of petroleum-derived materials, and soft texture.

*Thread thickness measured in grams per 10,000m

In recent years, demands have been growing for materials offering functionality and comfort, such as stretch ability and soft textures. Also, users are seeking eco-friendly fabrics made with recycled and plant-derived materials.

Teijin Frontier’s existing S/S conjugated fiber comprises a highly stretchable SOLOTEX®PTT-fiber polymer made with about 40% plant-based raw materials and PET made of recycled raw materials. The newest version, SOLOTEX®ECO-Hybrid, solvesthe problem of achieving a consistent crimp structure in an eco-friendly S/S conjugated fibermade with recycled PET.

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20 Start-Ups selected for CEMATEX Start-Up Grant at ITMA 2027

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Moving Advanced Recycling from Innovation to Implementation

The Advanced Recycling Conference 2026 explores technologies, markets, financing and scale-up of innovative recycling solutions for waste streams including mixed plastic waste, textiles and PVC. Europe’s chemical and materials sector faces growing pressure to close carbon loops, strengthen raw-material safety and resilience and meet increasingly ambitious EU recycling targets. Against this backdrop, the Advanced Recycling Conference (ARC) will bring together industry leaders, technology providers, researchers, innovators and policy-makers on 17–18 November 2026 in Cologne, Germany.

New Cotton Review examines competitiveness, market risk, and opportunities

From moving record volumes of Brazilian cotton to market, to managing price volatility, unlocking Ethiopia’s production potential, and strengthening African textile trade, the latest edition of Cotton: Review of the World Situation examines some of the most consequential opportunities and challenges facing the global cotton industry.

Long John puts KARL MAYER's RDJ 7/3 into operation and strengthens its position as a market leader

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An eco-friendly alternative to fluorocarbon treatments

Protective and outdoor clothing derives its durable water-, dirt- and oil- repellent properties from the application of fluorinated polymers or per- and polyfluorinated low-molecular- weight chemicals (PFCs). The beneficial properties thus achieved on textiles are offset by environmental and human health risks. For manufacturers of sports, medical, protective and automotive textiles, researchers at the Sächsisches Textilforschungsinstitut e.V. and the Leibniz Institute for Polymer Research have developed liquid-applied dispersions and solutions to functionalise textiles without the use of fluorine.