The company's other area of operations, materials technology, provides 43% of sales and produces specialist hygiene and industrial textiles, using spun-bonding
non-woven processes, for nappies, personal hygiene, and medical and filtration uses.
About 40% of the nonwovens market uses extruded filaments for melt-blowing and spun-bonding
. The dominant materials are polypropylene or PET, which are inherently non-elastic.
1970: Monsanto's patent on spun-bonding nylon (Cerex).
1984: Reifenhauser turnkey spun-bonding lines (Reicofil) offered for sale.
The new die has 110,000 holes, improving speeds on spun-bonding
systems to 200 meters per minute.
While it has not yet investigated spun-bonding
Several fabric formation technologies - such as thermal bonding, spun-bonding
, needling, chemical bonding, meld blowing and stitch contaminant.