The role of an accelerator in the nucleophilic cure of fluorocarbon compounds was further examined by preparing materials without a crosslinker. Under the previously used curing conditions, ODR reveals the formation of a secondary, accelerator-induced network that is unstable at slightly higher temperature, i.e., greater than or equal to 190 degrees C. Increased crosslink density and color are observed with the cure time, indicating slow curing reactions and likely formation of conjugated unsaturation. SEC of selective solvent-soluble fractions derived from specimens obtained from the key cure stages shows initially a falling refractive-index response. However, this change is followed by a shift in MWDs toward lower average molecular weights. On the other hand, infrared examination shows a continuous increase in the 1718 cm(-1) absorption, but no major presence for the 1680 cm(-1) absorption seen in the previous study in the presence of a crosslinker. The concurrent increase in the 3114 cm(-1) peak confirms the presence of a -CF=CH- double bond. The solvent-soluble portions and bulk specimens have very similar infrared features.