发明公开
EP3046958A1 VACUUM ASSISTED PROCESS TO MAKE CLOSED CELL RIGID POLYURETHANE FOAMS USING MIXED BLOWING AGENTS
审中-公开
用于生产硬质聚氨酯泡沫塑料真空辅助过程中应关闭混合驱动装置
- 专利标题: VACUUM ASSISTED PROCESS TO MAKE CLOSED CELL RIGID POLYURETHANE FOAMS USING MIXED BLOWING AGENTS
- 专利标题(中): 用于生产硬质聚氨酯泡沫塑料真空辅助过程中应关闭混合驱动装置
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申请号: EP14778028.2申请日: 2014-09-18
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公开(公告)号: EP3046958A1公开(公告)日: 2016-07-27
- 发明人: PARENTI, Vanni , RICCIO, Rossella , KRAMER, Hans
- 申请人: Dow Global Technologies LLC
- 申请人地址: 2040 Dow Center Midland, MI 48674 US
- 专利权人: Dow Global Technologies LLC
- 当前专利权人: Dow Global Technologies LLC
- 当前专利权人地址: 2040 Dow Center Midland, MI 48674 US
- 代理机构: Beck Greener
- 优先权: ITMI20131547 20130919
- 国际公布: WO2015042300 20150326
- 主分类号: C08J9/12
- IPC分类号: C08J9/12 ; C08J9/14 ; C08G18/48 ; C08G18/66 ; C08G18/76 ; C08G18/18 ; C08G18/20 ; C08G18/32 ; C08G18/34 ; C08G18/50 ; C08G101/00
摘要:
Rigid polyurethane foam is made in a vacuum assisted process using a blowing agent mixture that includes water and a hydrofluoroolefin and/or hydrofluorochloroolefin. In preferred embodiments, the blowing agent mixture further includes a hydrocarbon such as cyclopentane.
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