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US 9,228,071 B2Granted
Blowing agent composition of hydrochlorofluoroolefin and hydrofluoroolefin
AssigneeArkema Inc.
InventorsBenjamin Bin Chen, Joseph S. Costa, Philippe Bonnet, Maher Y. Elsheikh, Brett L. Van Horn
Life of this patent
Estimating the term…
Abstract
A blowing agent for thermosetting foams is disclosed. The blowing agent is a hydrofluoroolefin (HCFO), preferably HFCO-1234ze 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.
Claims6
A foam product comprising:
- a thermosetting foam material selected from the group consisting of polyurethane and polyisocyanurate;
- and
- a blowing agent comprising the hydrochlorofluoroolefin 1-chloro-3,3,3-trifluoropropene and a first hydrofluoroolefin 1,3,3,3-tetrafluoropropene wherein the mole ratio of 1-chloro-3,3,3-trifluoropropene to 1,3,3,3-tetrafluoropropene ranges from 30:70 to 10:90.
Dependencies are inferred from the claim text.