Invention Application
US20020127934A1 Tufted backing and method of manufacturing same 失效
簇绒背衬及其制造方法

Tufted backing and method of manufacturing same
Abstract:
A tufted backing and a method of manufacturing a tufted backing from thermoplastic polymer fibers or filaments that are processed to yield a spunbonded nonwoven are described, the spunbonded nonwoven containing only fibers or filaments having a titer of 1 to 15 dtex, the mass per unit area of the tufted backing being 70 to 110 g/m2, its density being 0.18 to 0.28 g/cm3 and the 5% modulus value in the machine direction being >60 N/5 cm, but at least 0.6 N/gm2.
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