Blowing agent composition of hydrochlorofluoroolefin and hydrofluoroolefin
AssigneeArkema Inc.
InventorBenjamin Bin Chen
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Abstract
A blowing agent for thermosetting foams is disclosed. The blowing agent is a hydrofluoroolefin (HCFO), preferably HFCO-1234yf in combination with a hydrochlorofluoroolefin (HCFO) preferably one selected from HCFO-1233zd, HCFO-1223, HCFO-1233xf and mixtures thereof. The blowing agent is effective as a blowing agent in the manufacture of thermosetting foams.
Claims11
A polymer blowing agent composition for thermosetting foams comprising (a) HFO-1234yf in combination with (b) at least one hydrochlorofluoroolefin (HCFO).
A process of foaming a polyurethane foam comprising mixing polymer foam components with a foam blowing agent comprising (a) HFO-1234yf in combination with (b) at least one hydrochlorofluoroolefin (HCFO).
Dependencies are inferred from the claim text.