自从1855年,人类模仿蚕体吐丝的原理,抽出世界上第一根硝酸纤维以来,锦纶、维纶、晴纶、涤纶、丙纶以及氯纶相继问世。化纤世界“六大纶”的出现,给祖祖辈辈以棉、麻、丝、毛御寒遮丑的人类以极大的震撼,不需要广阔的土地,不受自然气候的限制,就能满足人类日益增长的衣着需求,这不能不算化学纤维的 Since 1855, when human beings imitated the principle of silkworm silk spinning, the world’s first nitrocellulose was extracted. Nylon, vinylon, acrylic, polyester, polypropylene, and chlorinated lutetium were launched one after another. The emergence of the “6-inch nylon” in the chemical fiber world is a great shock to humans whose ancestors used cotton, hemp, silk, and wool to hide the ugliness. It does not require extensive land and is not limited by the natural climate. It can satisfy the growing human population. Clothing needs, this can not be considered chemical fiber