- 专利标题： Breathable film and method for manufacturing same
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申请号： US16718119申请日： 2019-12-17
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公开(公告)号： US11203190B2公开(公告)日： 2021-12-21
- 发明人: Lei Liao , Mervin Zhao , Qiqi Wang , Wang Xiao , Haotian Wang
- 申请人： 4C Air, Inc.
- 申请人地址： US CA Sunnyvale
- 专利权人： 4C Air, Inc.
- 当前专利权人： 4C Air, Inc.
- 当前专利权人地址： US CA Sunnyvale
- 代理机构： Sheppard Mullin Richter & Hampton LLP
- 主分类号： B32B27/12
- IPC分类号： B32B27/12 ; B32B27/32 ; B32B7/12
摘要：
A breathable film includes a substrate, a membrane disposed on the substrate, and an adhesive interposed between the substrate and the membrane. The membrane includes a plurality of fibers of polyvinylidene fluoride. The breathable film has an air transmission rate equal to or greater than 4000 ml/min/cm2 under air pressure of 70 mbar.
公开/授权文献
- US20210178737A1 BREATHABLE FILM AND METHOD FOR MANUFACTURING SAME 公开/授权日：2021-06-17
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