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羽绒被和羽毛被区别
更新时间： 2020-07-05 00:00:00  

羽绒是长在鹅、鸭的腹部，成芦花朵状的绒毛，成片状的叫羽毛。由于羽绒是一种动物性蛋白质纤维，比棉花（植物性纤维素）保温性高，且羽绒球状纤维上密布千万个三角形的细小气孔，能随气温变化而收缩膨胀，产生调温功能，可吸收人体散发流动的热气，隔绝外界冷空气的入侵。羽毛是禽类特有的表皮衍生物，几覆盖禽体全身。中间为空隙，以减轻羽毛的质量。质轻坚韧，富有弹性和保暖性。加工精选的羽毛洁净而具光泽，有较高的经济价值。鸟的羽毛轻而耐磨，是热的不良导体。飞羽与尾羽对飞翔有很大意义。

关键词： 羽绒被 羽毛 区别

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