- 专利标题： MULTIPLE IMMEDIATE PASS APPLICATION OF HIGH THICKNESS SPRAY FOAMS
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申请号： US18211721申请日： 2023-06-20
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公开(公告)号： US20230330699A1公开(公告)日： 2023-10-19
- 发明人: Chanel Charbonneau , Yusheng Zhao , Elam Leed , Kathryn Miks
- 申请人： JOHNS MANVILLE
- 申请人地址： US CO Denver
- 专利权人： JOHNS MANVILLE
- 当前专利权人： JOHNS MANVILLE
- 当前专利权人地址： US CO Denver
- 分案原申请号： US17038626 2020.09.30
- 主分类号： B32B23/04
- IPC分类号： B32B23/04 ; B05D1/02 ; B32B5/20 ; B32B27/36 ; B05D7/00
摘要：
A method of applying a closed cell spray foam insulation may include spraying a first layer of a closed cell spray foam insulation into a wall cavity. A B-side mixture of the closed cell spray foam insulation may include a polyol blend having a polyester polyol having a functionality of at least about 3.0 and a polyether polyol. The method may include spraying at least one additional layer of the closed cell spray foam insulation against the first layer within 5 minutes of spraying the first layer.
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