| http://www.w3.org/ns/prov#value | - The fluorinated carbon atoms comprising R and R can be adjacent or separated by nonfluorinated carbon atoms, by atoms such as nitrogen, oxygen or sulfur or by divalent groups such as carbonyl, amido, carboalkoxy, and other groups which do not hydrolyze readily, will not cause premature curing of the present foamable compositions during storage and will not substantially inhibit curing of the comp
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