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Liquid fluoroelastomer with low relative molecularmass exhibits excellent fuel resistance,thermal oxi-dative stability and processability.It is suitable forsealing the fuel tanks of aircraft and coating the ex-ternal surfaces of building.Liquid fluoroelastomerwith carboxyl end group can be used as a chain ex-tender agent for epoxy resin or as raw materials forsolvent-free adhesive,sealant or coating.①In this paper,liquid fluoroelastomer with carboxylend group was prepared by one step degradation ofsolid vinylidene fluoride-hexafluoropropene copoly-mer(VDF-HFP).The Fourier transform
Liquid fluoroelastomer with low relative molecular mass exhibits excellent fuel resistance, thermal oxi-dative stability and processability. It is suitable for forsealing the fuel tanks of aircraft and coating the ex-ternal surfaces of building. Liquid fluoroelastomer with carboxyl end group can be used as a chain ex -tender agent for epoxy resin or as raw materials forsolvent-free adhesive, sealant or coating. ①In this paper, liquid fluoroelastomer with carboxylend group was prepared by one step degradation of solid vinylidene fluoride-hexafluoropropene copoly-mer (VDF-HFP). The Fourier transform