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Core-sheath type conjugated yarn, knitted fabric, clothing product, and method of producing core-sheath type conjugated yarn
Core-sheath type conjugated yarn, knitted fabric, clothing product, and method of producing core-sheath type conjugated yarn
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机译:芯鞘型复合纱线,针织物,服装以及芯鞘型复合纱线的制造方法
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摘要
In an embodiment, a core-sheath type conjugated yarn includes a core portion containing a double-prepolymer type polyurethane and a sheath portion containing an elastomer. The double-prepolymer comprises a prepolymer having terminal isocyanate groups obtained from reacting a polyol and a diisocyanate, and a prepolymer having terminal hydroxyl groups obtained from reacting a polyol, a diisocyanate, and a low-molecular weight diol. In other embodiments, a method of producing the core-sheath type conjugated yarn using conjugate spinning conditions provides a conjugated yarn with a fineness of 18 to 110 dtex, a weight ratio of the core portion to the sheath portion of 95/5 to 60/40, and a drawing ratio of 1.5 to 4.0.
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