发明名称 |
Meltblown barrier webs and processes of making same |
摘要 |
A nonwoven disposable face mask includes a filtration layer formed of a plurality of thermoplastic microfine meltblown microfibers having an average fiber diameter of less than 1.5 microns. The filtration layer also has a basis weight of less than ten grams per square meter. The resultant face mask provides improved wearer comfort and barrier and filtration properties.
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申请公布号 |
US5620785(A) |
申请公布日期 |
1997.04.15 |
申请号 |
US19950475949 |
申请日期 |
1995.06.07 |
申请人 |
FIBERWEB NORTH AMERICA, INC. |
发明人 |
WATT, JAMES M.;LICKFIELD, DEBORAH K. |
分类号 |
A41D13/11;A62B23/02;D04H1/54;D04H1/56;(IPC1-7):A62B23/00;A62B23/06;D04H1/72 |
主分类号 |
A41D13/11 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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