2001
DOI: 10.1002/app.2259
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Extruded continuous filament nonwovens: Advances in scientific aspects

Abstract: Continous filament nonwovens are fabrics produced by the direct lay processes, wherein webs are made directly from fibers as they are being spun from molten plastics. These processes eliminate intermediate steps in the production of fabrics, and they provide opportunities for increasing production and cost reduction, although the flexibility in product ranges might be limited. The two important processes in this category are spunbonding and meltblowing. In spunbonding, the fabrics are produced by depositing ex… Show more

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Cited by 64 publications
(58 citation statements)
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“…Of course, the optimum bonding temperature will be shifted slightly, when calendar speed is altered due to change in residence time. Such optimum calendering temperature was also reported for thermally bonded polypropylene nonwovens produced through spun bonding process by Bhat et al [17]. It has been shown that the calendaring pressure has a minimum effect above the minimal value [18].…”
Section: Tensile Propertiessupporting
confidence: 76%
“…Of course, the optimum bonding temperature will be shifted slightly, when calendar speed is altered due to change in residence time. Such optimum calendering temperature was also reported for thermally bonded polypropylene nonwovens produced through spun bonding process by Bhat et al [17]. It has been shown that the calendaring pressure has a minimum effect above the minimal value [18].…”
Section: Tensile Propertiessupporting
confidence: 76%
“…When a thread is being fed onto a moving belt, it will be laid in a modified-cycloidal form, with a shape depending on the ratio between feed and belt speeds. With higher throughputs, the fiber diameters are larger and that leads to cycloids of larger diameter [1,5].…”
Section: Production Processmentioning
confidence: 99%
“…Although unstabilized polypropylene is rapidly degraded by UV light, improved stabilizers permit several years of outdoor exposure before fiber properties deteriorate. Scrap or polypropylene fibers of inferior quality can be repelletized and then blended in small amounts with fresh polymer to produce first grade spun bond fabrics [1]. Polypropylene fibres cannot be dyed easily since there are no dye receptor sites on the molecular backbone.…”
Section: Polymers Usedmentioning
confidence: 99%
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