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1930年出现了一种聚酰胺纤维制品,商品名“尼龙”(Nylon)。1972年,又一种芳香聚酰胺族或芳烷基,商标名“克弗勒”(Kevlar)问世。此种纤维制品有独特的物理特性,在各个工业领域都有用途。
In 1930, a polyamide fiber product appeared under the trade name “Nylon”. In 1972, another aromatic polyamide or arylalkyl group was sold under the trade name “Kevlar”. This fiber product has unique physical properties and has applications in various industrial fields.