| 摘要 |
<p>A needle punched carpet is provided, which is obtained by needle-punching mixed fibers of 25 to 90% by weight of hotmelt-adhesive, conjugated staple fibers obtained by subjecting a first component of polypropylene and a second component of a copolymer and/or a terpolymer of olefins composed mainly of propylene having a m.p. lower by 20 DEG C or more, than that of the first component, to conjugate spinning in side-by-side or sheath-and-core form so that the second component can occupy the greater part of the fiber surface, with 75 to 10% by weight of polypropylene staple fibers, followed by heat-treating the resulting material at a temperature of the m.p. or higher of the second component and lower than the m.p. of the first component, the carpart having a sufficient tensile strength of 60 kg/5 cm or higher and being lightweight and cheap, and use of conventional primary backing cloth, laminating material or latex being omitted in its preparation and further, its waste being able to be recycle.</p> |
