MATERIAL FOR A PRIMARY CARPET BACKING
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United States of America
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Nov 14, 2024
app pub date -
Aug 26, 2022
filing date -
Aug 26, 2022
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Abstract
A material for a primary carpet backing including a nonwoven fabric including first bicomponent core/sheath fibers including a first thermoplastic polymer in the core and a second thermoplastic polymer in the sheath and second bicomponent core/sheath fibers including a third thermoplastic polymer in the core and a fourth thermoplastic polymer in the sheath, wherein the first thermoplastic polymer in the core of the first bicomponent core/sheath fibers is of a different polymer family as the third thermoplastic polymer in the core of the second bicomponent core/sheath fibers, and wherein the second thermoplastic polymer in the sheath of the first bicomponent core/sheath fibers and the fourth thermoplastic polymer in the sheath of the second bicomponent core/sheath fibers are polymers of the same polymer family, preferably having the same melting temperature.
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