| 摘要 |
PROBLEM TO BE SOLVED: To provide a foaming agent composition based on hydrochlorofluoroolefin and specific foaming agent compositions suitable for used in manufacturing a two-component spray polyurethane foam.SOLUTION: There is provided a use of a composition as a foaming agent for a two-component spray polyurethane foam, where the composition contains 1-chloro-3,3,3-trifluoropropene and/or 2-chloro-3,3,3-trifluoropropene and at least one kind of additional compound selected from hydrochlorofluoroolefin, hydrofluoroolefin, hydrochloroolefin, hydrofluorocarbon, hydrochlorofluorocarbon, hydrocarbon, substituted/unsubstituted ether, substituted/unsubstituted alcohol, substituted/unsubstituted aldehyde, substituted/unsubstituted ketone or substituted/unsubstituted ester and has the boiling point of 20°C or more.SELECTED DRAWING: None |
