Invention Grant
US09446163B2 Nonwoven having improved softness signals, and methods for manufacturing
有权
具有改善的柔软度信号的无纺布以及制造方法
- Patent Title: Nonwoven having improved softness signals, and methods for manufacturing
- Patent Title (中): 具有改善的柔软度信号的无纺布以及制造方法
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Application No.: US13213524Application Date: 2011-08-19
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Publication No.: US09446163B2Publication Date: 2016-09-20
- Inventor: W. Andrew Coslett , John C. Parsons , Kevin Ronald Kanya
- Applicant: W. Andrew Coslett , John C. Parsons , Kevin Ronald Kanya
- Applicant Address: US NY Great Neck US OH Cincinnati
- Assignee: FIRST QUALITY NONWOVENS, INC.,PROCTER & GAMBLE COMPANY
- Current Assignee: FIRST QUALITY NONWOVENS, INC.,PROCTER & GAMBLE COMPANY
- Current Assignee Address: US NY Great Neck US OH Cincinnati
- Agency: Amster, Rothstein & Ebenstein LLP
- Main IPC: B32B3/00
- IPC: B32B3/00 ; A61L15/24 ; A61F13/514 ; A61F13/511 ; A61F13/515 ; A61F13/51

Abstract:
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.
Public/Granted literature
- US20120189814A1 Nonwoven Having Improved Softness Signals, And Methods For Manufacturing Public/Granted day:2012-07-26
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