| 摘要 |
FIELD: textile.SUBSTANCE: invention relates to a method of producing a soft bulky nonwoven web from a batt using thermobonding and to a soft bulky nonwoven web with a bond impression pattern, having a certain shape and forming a certain configuration on surface. Method comprises several steps including feeding a batt to a nip between first and second surface of first and second roller, where at least first of surfaces comprises spaced apart bonding protrusions surrounded by recessed areas. Bonding protrusions and bond impression shape in web exhibit a ratio of greatest measurable width to greatest measurable length of at least 1:2.5 and perimeters thereof comprise a convex portion.EFFECT: bonding protrusions are symmetric and/or have a certain angle to machine direction.25 cl, 13 dwg, 1 tbl |
