- 专利标题： Fibrous laminate floor underlayment with improved acoustical insulation and breathable barrier protection
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申请号： US15749407申请日： 2015-07-31
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公开(公告)号： US10689863B2公开(公告)日： 2020-06-23
- 发明人: Steven R. Stopper , John D. Tucker
- 申请人： Kimberly-Clark Worldwide, Inc.
- 申请人地址： US WI Neenah
- 专利权人： KIMBERLY-CLARK WORLDWIDE, INC.
- 当前专利权人： KIMBERLY-CLARK WORLDWIDE, INC.
- 当前专利权人地址： US WI Neenah
- 代理商 Craig M. Bohlken
- 国际申请： PCT/US2015/043091 WO 20150731
- 国际公布： WO2017/023242 WO 20170209
- 主分类号： B32B3/00
- IPC分类号： B32B3/00 ; E04F15/20 ; E04F15/18 ; B32B3/30 ; B32B5/02
摘要：
The present invention relates to a floor underlayment that may be positioned directly in contact with the underside surface of a finished floor and comprise more than one layer such as a first layer pattern-unbonded nonwoven web and a second layer microporous film. Additional layers may comprise a meltblown nonwoven layer and a spunbond layer. The floor underlayment of the present invention may exhibit a sound pressure level (SPL in dB at 800 Hz or 1600 Hz) reduction IIC of about 30 to about 40.
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