John C. Parsons;W. Andrew Coslett;Kevin Ronald Kanya
发明人:
W. Andrew Coslett,John C. Parsons,Kevin Ronald Kanya
申请号：
US13213524
公开号：
US09446163B2
申请日:
2011.08.19
申请国别(地区):
US
年份:
2016
代理人:
摘要：
A method of manufacturing a nonwoven including the steps of: forming a nonwoven web substantially comprised of continuous fibers； applying a bonding pattern to said nonwoven web using a smooth roll and a calender roll wherein said bonding pattern comprises a pattern having unbonded areas； and subjecting the side of said nonwoven web contacted by said smooth roll to a hydraulic treatment at a pressure of between 25 and 75 bars and a total energy of about 0.01-0.04 kwhr/kg., wherein said continuous fibers are comprised of between 97% and 98.5% by weight of an olefin resin comprising substantially of polypropylene and between 1.5% and 3% by weight of a whitener.
