发明名称 WIPERS COMPRISING POINT UNBONDED WEBS
摘要 <p>There is provided a wiper comprising a first web of fibers of at most 50 microns in diameter wherein said web has been bonded using a point unbonded pattern having a bond area between about 25 and 50 percent. The wiper can be made from thermoplastic polymer nonwoven fibers made by the meltblowing, spunbonding, carding and bonding, or airlaying processes. The wiper may be a laminate of various thermoplastic layers joined with the point unbonded pattern and may be a conform web of thermoplastic polymer and pulp or other material.</p>
申请公布号 WO1998027257(A2) 申请公布日期 1998.06.25
申请号 US1997023219 申请日期 1997.12.11
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