Polyurethane fibers including copolymer polyols
The present invention relates to polyurethane fibers comprising a copolymer polyol. Comprising a polyurethane urea, the polyurethane urea being the reaction product of: (a) a prepolymer comprising the reaction product of: (i) a polyol comprising a copolymer of tetrahydrofuran having a number average...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The present invention relates to polyurethane fibers comprising a copolymer polyol. Comprising a polyurethane urea, the polyurethane urea being the reaction product of: (a) a prepolymer comprising the reaction product of: (i) a polyol comprising a copolymer of tetrahydrofuran having a number average molecular weight of from 1000 to 2000 and 3-methyltetrahydrofuran, and (ii) a diisocyanate; and (b) a chain extender, as well as fabrics and hygiene articles comprising such fibers.
本发明涉及包括共聚物多元醇的聚氨酯纤维。包括聚氨酯脲的纤维,所述聚氨酯脲为以下各物的反应产物:(a)预聚物,包括以下各物的反应产物:(i)多元醇,包括具有1000到2000的数目平均分子量的四氢呋喃和3-甲基四氢呋喃的共聚物和(ii)二异氰酸酯;以及(b)扩链剂,以及包括这类纤维的织物和卫生物品。 |
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