【摘要】 定形丝棉采用非织造布工艺，以缫丝厂的下脚废丝为主要原料与三维卷曲纤维组成复合层结构。这种新型丝绵体积膨松、柔软，回弹性好，具有优良的保暖性，长期服用不会发生变形，可克服传统手工加工的丝绵经服用后板结的弊病。更多还原

【Abstract】 Shape-set silk floss of a compound-layered structure is made by nonwoven technology mainly with waste silk from filatures and three-dimensionally crimpy fibres. It has the advantages of excellent bulkiness, softness, resillency, warmth-retaining property, permanent non-deformation, and free from lumping tendency of conventionally-processed silk floss after service.更多还原