FLEXIBLE, OPEN-CELL THERMOSET FOAMS AND BLOWING AGENTS AND METHODS FOR MAKING SAME

    公开(公告)号:WO2015168486A9

    公开(公告)日:2015-11-05

    申请号:PCT/US2015/028672

    申请日:2015-04-30

    Abstract: Disclosed are methods and compositions for forming a flexible, open cell viscoelastic foams which utilize a thermosetting composition comprising one or more components capable of forming a thermoset matrix and a blowing agent comprising at least one chemical blowing agent, such as water, and at least one physical blowing agent selected from the group consisting of trans-l-chloro-3,3,3-trifluoropropene (HFCO-1233zd(E)), 1,1,1,3,3-pentafluoropropane (HFC- 245fa); 1,1,1,3,3-pentafluorobutane (365mfc), blends consisting essentially of at least about 80% of HFC-365mfc and 1,1,1,2,3,3,3-heptafluoropropane (227ea), and combinations of any two or more of these.

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