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Processing and Property Study of Cotton-Surfaced NonwovensUniversity of Tennessee, Knoxville, Tennessee 37916, U.S.A.
University of Tennessee, Knoxville, Tennessee 37916, U.S.A.
University of Tennessee, Knoxville, Tennessee 37916, U.S.A.
Cotton Incorporated, Raleigh, North Carolina 27607, U.S.A. Cotton-surfaced nonwovens have been developed by thermally bonding cotton precur sor webs with unbonded spunbond (SB) PP webs on a spunbond line, with cotton on one or both sides. The novel two- or three-layered laminates have a hand similar to cotton knits or hydroentangled fabrics, and also exhibit excellent strength and elongation properties, making them more suitable for some highly desirable disposable and short-wear-cycle applications such as medical and personal hygiene products. The cotton precursor webs are thermally bonded cotton and PP staple (TCPP) webs (25-27 g/m2). Six different TCPP webs are used with three blend ratios of cotton/pp (60/40, 50/50, 40/60) and two different deniers (1.9 and 2.2 denier) and two lengths (1.0 and 1.5 inches) of PP staple fibers. A comprehensive study is made of the effect of processing conditions on the properties of the laminates as bonded on the SB line, with SB web weights of 17 and 34 g/m2.
Textile Research Journal, Vol. 70, No. 5,
449-453 (2000) |
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