- 专利标题： HFO-containing isocyanate-reactive compositions, related polyurethane foam-forming compositions, and spray-applied polyurethane foams
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申请号： US17361872申请日： 2021-06-29
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公开(公告)号： US12098545B2公开(公告)日： 2024-09-24
- 发明人: Eric C. Giles
- 申请人： Covestro LLC
- 申请人地址： US PA Pittsburgh
- 专利权人： Covestro LLC
- 当前专利权人： Covestro LLC
- 当前专利权人地址： US PA Pittsburgh
- 代理商 Donald R. Palladino
- 主分类号： C08G18/18
- IPC分类号： C08G18/18 ; C08G18/20 ; C08G18/24 ; C08G18/42 ; C08G18/72 ; C08J9/14 ; E04B2/84
摘要：
Isocyanate-reactive compositions that include a hydrofluoroolefin blowing agent, polyurethane foam-forming compositions, as well as spray-applied polyurethane foams formed therefrom that can provide structural support to wall structures and can also exhibit ASTM E84-16 Class A flame spread and smoke development characteristics at a foam thickness of 4 inches.
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