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Fluorocarbon elastomers are synthetic polymers that are designed for demanding service applications in hostile environments characterized by broad temperature ranges and/or contact with chemicals, oils, and fuels. They are copolymers that may contain two or more of the following monomers: vinylidene fluoride, hexafluoropropylene, tetrafluoroethylene, chlorotrifluoroethylene, perfluoro(vinyl ethers), and propylene. These polymers are characterized by their excellent thermal stability and very good chemical and compression‐set resistance. The fluorocarbon elastomers are typically prepared by high pressure, free‐radical, aqueous emulsion polymerization techniques. The resulting dried polymer gums can be supplied as is or contain an incorporated cure system comprising an organic onium cure accelerator and a bisphenol cross‐linking agent. Compounding of fluorocarbon elastomers involves the addition of curatives, if not present, fillers and acid acceptors on conventional rubber mixing equipment. The compounded elastomer can be converted to O‐rings, bonded seals, hoses, diaphragms, etc, using conventional rubber processing equipment. Principal uses are in high temperature chemical‐resistant elastomer sealing devices used in the following industries: automotive/off‐the‐road, industrial pollution control, petroleum/petrochemical, hydraulics/pneumatic, and aircraft/aerospace.
Fluorocarbon elastomers are synthetic polymers that are designed for demanding service applications in hostile environments characterized by broad temperature ranges and/or contact with chemicals, oils, and fuels. They are copolymers that may contain two or more of the following monomers: vinylidene fluoride, hexafluoropropylene, tetrafluoroethylene, chlorotrifluoroethylene, perfluoro(vinyl ethers), and propylene. These polymers are characterized by their excellent thermal stability and very good chemical and compression‐set resistance. The fluorocarbon elastomers are typically prepared by high pressure, free‐radical, aqueous emulsion polymerization techniques. The resulting dried polymer gums can be supplied as is or contain an incorporated cure system comprising an organic onium cure accelerator and a bisphenol cross‐linking agent. Compounding of fluorocarbon elastomers involves the addition of curatives, if not present, fillers and acid acceptors on conventional rubber mixing equipment. The compounded elastomer can be converted to O‐rings, bonded seals, hoses, diaphragms, etc, using conventional rubber processing equipment. Principal uses are in high temperature chemical‐resistant elastomer sealing devices used in the following industries: automotive/off‐the‐road, industrial pollution control, petroleum/petrochemical, hydraulics/pneumatic, and aircraft/aerospace.
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