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Process for rapidly curing a brominated fluoroelastomer |
| T107801 |
Process for rapidly curing a brominated fluoroelastomer
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| Inventor: |
Nersasian |
| Date Issued: |
May 5, 1987 |
| Application: |
06/658,795 |
| Filed: |
October 9, 1984 |
| Inventors: |
Nersasian; Arthur (Wilmington, DE)
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| U.S. Class: |
525/326.3; 525/368; 525/369; 525/375; 525/387; 526/249; 528/392; 568/682; 570/137 |
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| Abstract: |
A process for rapidly curing a fluoroelastomer which comprises mixing and heating a fluoroelastomer copolymer whose interpolymerized units consist essentially of vinylidene fluoride, at least one other fluorine-containing monomer copolymerizable therewith, said monomer being a compound which contains 2-7 carbon atoms, contains no bromine, and contains at least as many fluorine atoms as carbon atoms and contains up to 3 mole percent of units derived from a bromine-containing olefin; a quaternary phosphonium compound; a bisphenol or an ammonium or phosphonium salt thereof; and a dialkylaminopyridine or a diazabicyclo compound having the formula ##STR1## where n is 2-8 or 0.2-0.8 parts by weight per hundred parts fluoroelastomer of a carboxylic acid salt of (a) or (b). |
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