发明申请
US20120202904A1 TETRAFLUOROBUTENE BLOWING AGENT COMPOSITIONS FOR POLYURETHANE FOAMS 审中-公开
聚四氟乙烯泡沫剂用于聚氨酯泡沫体的组合物

TETRAFLUOROBUTENE BLOWING AGENT COMPOSITIONS FOR POLYURETHANE FOAMS
摘要:
A blowing agent for thermosetting foams is disclosed. The blowing agent is 2,4,4,4-tetrafluorobutene-1 alone or in combination with a hydrofluoroolefin (HFO), hydrofluorocarbon (HFC), hydrochlorofluoroolefin (HCFO), or a hydrocarbon. The blowing agent is effective as a blowing agent in the manufacture of thermosetting foams.
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