公开(公告)号：US5688582A

公开(公告)日：1997-11-18

申请号：US604532

申请日：1996-02-20

申请人： Koichi Nagaoka ,  Shigetaka Nishimura ,  Fumio Matsuoka ,  Naoji Ichise ,  Yasuhiro Yonezawa ,  Keiko Sakota

发明人： Koichi Nagaoka ,  Shigetaka Nishimura ,  Fumio Matsuoka ,  Naoji Ichise ,  Yasuhiro Yonezawa ,  Keiko Sakota

IPC分类号： D04H1/42 ,  D04H3/14 ,  D04H3/16

CPC分类号： D04H1/4391 ,  D04H1/435 ,  D04H1/4382 ,  Y10T428/24826 ,  Y10T428/2929 ,  Y10T428/2931 ,  Y10T428/2935 ,  Y10T442/612 ,  Y10T442/638 ,  Y10T442/641 ,  Y10T442/642 ,  Y10T442/696

摘要： A biodegradable filament nonwoven fabric comprising a nonwoven web made up of filaments, each filament comprising a high melting point component composed of a first aliphatic polyester having biodegradability and a low melting point component composed of a second aliphatic polyester having biodegradability with a melting point lower than that of the high melting point component, the nonwoven web processed to a predetermined nonwoven fabric configuration. At least one of the high melting point component and the low melting point component is arranged in a plurality of divisions within the cross section of the filament. Both the high melting point component and the low melting point component extend continuously in the axial direction of the filament and are exposed on the surface of the filament. A method for manufacturing the biodegradable filament nonwoven fabric is also disclosed herein.

摘要翻译： 一种可生物降解的长丝非织造织物，其包含由长丝构成的非织造纤维网，每个长丝包含由具有生物降解性的第一脂族聚酯组成的高熔点组分和由具有低于熔点的生物降解性的第二脂族聚酯组成的低熔点组分 将高熔点组分的非织造纤维网加工成预定的无纺布构型。 高熔点组分和低熔点组分中的至少一种在细丝的横截面内以多个分隔布置。 高熔点组分和低熔点组分都在灯丝的轴向上连续延伸并暴露在灯丝的表面上。 本发明也公开了生物降解性长丝无纺布的制造方法。