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Mastering the Short Fiber Challenge

Published: March 29, 2023
Author: DIGITAL MEDIA EXECUTIVE

A substantial potential for expansion
Over 75 percent of all clothing is disposed of in landfills.Just 1% of the 89 million tonnes of fibre produced each year comes from recycled pre- or post-consumer textiles. According to estimates, the recycling potential exceeds 15%.

Ambitious objectives for the EU’s sustainable and circular textiles strategy
Recycling Chemicals
Developing method for cotton waste, as well as recently for mixed garbage. This reduces fibres to their chemical building units entails wet spinning fresh fibres from a pulp according to the traditional viscose manufacturing technique. Instead, melt spinning PET pellets into polyester

Automatic Recycling
Pre- and post-consumer goods are mechanically torn; the roots of this practise can be found in the downcycling industry (more forceful opening).

Typical Short Spinning Process Rotor: Fiber
Rotor spinning has been used by spinners for recyclable material for decades.Many did not even make the claim that they were saving money by using recycled materials.For treating materials with a high short-fiber content, rotor spinning is ideal.

Future Directions: Recycling Moves to Ring Spinning (1/2)

Recycling system using Rieter rings
Additionally growing demand for recycled ring yarns for High-Quality Recycled Yarns, Visit Com4Recycling.Recycling yarns created on Rieter spinning machines merit their own brand (wider application range)

Weaving uses ring yarn that is more durable.

Various, softer touches, and finer counts Stretch (core yarn) is a possibility for the end spinning machine. However extremely difficult because of neps and the high short fibre composition.

Moving Forward: Recycling

Spinning the ring (2/2)
Testing changes in the value chain in collaboration with a premium denim manufacturer Example yarns spun using the Rieter ring spinning system:

80/20% virgin cotton/post-consumer cotton denim ne 7-12 (bleached)
The initial accomplishments increased yarn quality (lower short-fiber content, fewer IPIs): Configurations for cards, draw frames, roving, and compact-spinning Utilize 50% of recyclable materials as your goal. The entire spinning process is still being tested and improved.The short fibre challenge is conquered
Clients who would like to use the brand can take part in the Com4® licensee programme. Com4® – The Yarn Brand is a worldwide registered trade mark by Rieter for high-quality yarns spun on Rieter spinning devices and clothing created from them.

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