| 摘要 |
<p>A bulky and highly strong filament nonwoven fabric and method of manufacturing the filament nonwoven fabric which is made of conjugated filaments, whose intersections are melted and adhered, and which has a 15-35cc/g specific volume and satisfies the following Formula (1) between strength and specific volume; <MATH> wherein Y is a geometrical mean of vertical and horizontal strength per 5cm wide and 1g/cm<2> nonwoven fabric Äunit: g/(g/m<2> . 5cmÜ; Y=(MD x CD)<1/2> where MD is vertical strength Äunit: g/(g/m<2> . 5cmÜ and CD is horizontal strength Äunit: g/(g/m<2> . 5cmÜ; and X=specific volume of a nonwoven fabric Äunit: cc/gÜ; and wherein the conjugated filament is made of a low melting point polymer and a high melting point polymer with a difference in melting points of at least 15 DEG C, and has the low melting point polymer on at least one section of a filament surface and has crimps.</p> |
