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Fibres, filaments and yarns

Open-end spun yarns are softer

1 April 2003
Sara Lee Corp discloses a process for making softer handling open-end spun yarns in US Patent 6 477 826.
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Polylactide acid commercialized

1 March 2003
Cargill Dow has branded its polylactide (PLA) fibre as Ingeo. At the recent Heimtextil the fibre, formerly known as NatureWorks, was evident in a number of bedding products.
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Biodegradable superabsorbents based on L-aspartic acid

1 March 2003
Superabsorbent fibre and film compositions based on L-aspartic acid are described in US Patent 6 465 536 Solutia.
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Elastomeric alternative

1 March 2003
Dow Fiber Solutions has introduced a new generic synthetic fibre. The company is marketing it as Dow XLA, while the US Federal Trade Commission (FTC) has given it the generic description lastol.
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Melt-blown lyocell

1 March 2003
A melt-blowing technique for lyocell is disclosed in US Patent 6 306 334 by the US pulp giant The Weyerhaeuser Co.
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Thermal resistance

1 February 2003
Spanish company Relats SA has developed a silicon dioxide fibre that it claims offers better thermal resistance.
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Yarn creates self-coating fabrics

1 February 2003
Glen Raven Inc has developed a yarn that can serve to stabilize fabrics used outdoors.
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Fuji develops fibre to treat skin

1 February 2003
Fuji Spinning Co Ltd, Tokyo, Japan, describes a functionalized fibre in European Patent 1 188 855.
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Otsuka Chemical offers conductive skin-core fibre for protection

1 February 2003
Japan's Otsuka Chemical has developed a conductive fibre as part of its research into bicomponent skin-core fibres intended to offer protection from electromagnetic radiation.
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Superabsorbents

1 February 2003
BASF AG is developing multicomponent superabsorbent fibres containing at least one acidic waterabsorbing resin and a basic water-absorbing resin.
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Hydrophilic fibre excels in high-speed processability

1 January 2003
A hydrophilic fibre claimed to excel in high-speed processability has been developed by Chisso.
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Conductive fibres

1 January 2003
A Japanese firm has patented a fine electrically conductive fibre, as well as a conductive yarn made from the fibre.
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Polyester for nonwovens

1 January 2003
Toyo Boseki KK has developed hydrophilic polyester supplied as an aqueous dispersion that is intended for making nonwovens.
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Lower shrinkage polypropylene

1 January 2003
A US company claims to have found a way to make polypropylene fibres with lower shrinkage.
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Diamond coatings for aramids

1 January 2003
A diamond-like coating (DLC) improves the flexural rigidity of aramid fibres and suppresses their low yielding behaviour, according to US inventors.
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