C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 61/04 (2006.01) C08J 9/14 (2006.01)
Patent
CA 2167352
This invention relates to a process for producing phenolic foams from phenolic resins using a blowing agent comprising 1,1,1,4,4,4-hexafluorobutane. These blowing agents are much more environmentally friendly than the conventional chlorofluorocarbons and do not adversely affect the properties of the foams produced.
Bp Chemicals Limited
Fetherstonhaugh & Co.
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