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LessonTwoCottonPropertiesandUsesArelativelyhighlevelofmoistureabsorptionandgoodwickingpropertieshelpmakecottononeofthemorecomfortablefibers.Becauseofthehydroxylgroupsinthecellulosecottonhasahighattractionforwater.Aswaterentersthefibercottonswellsanditscrosssectionbecomesmorerounded.Thehighaffinityformoistureandtheabilitytoswellwhenwetallowcottontoabsorbaboutone-fourthofitsweightinwater.Thismeansthatinhotweatherperspirationfromthebodywillbeabsorbedincottonfabricstransportedalongtheyarnstotheoutersurfaceoftheclothandevaporatedintotheair.Thusthebodywillbeaidedinmaintainingitstemperature.相对较好的吸湿性和良好的芯吸性使棉纤维成为最舒适的纤维之一因为纤维素的羟基基团,使得棉花对水有很强的吸引力当水进入纤维棉,棉开始膨胀,其截面变得更圆这种高度的亲水性和潮湿时溶胀的性能使棉花可吸水达到其重量的1/4左右这意味着,在炎热的天气里,身体的汗液会被棉织物吸收,沿着纱线输送到衣物外表面并蒸发到空气中因此,这对维持体温有帮助Unfortunatelythehydrophilicnatureofcottonmakesitsusceptibletowater-bornestains.Water-solublecolorantss...。