Fluoroelastomer compositions containing bromine and iodine in the polymeric chain with a reduced emission of toxic alkylhalo compounds during curing with the peroxide
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United States of America Patent
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Mar 26, 1996
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app pub date -
Dec 30, 1994
filing date -
Dec 16, 1988
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Abstract
The emission of the highly toxic volatile products, such as methyl bromides or iodides, or ethyl bromides or iodides, during the cure with peroxides of fluoroelastomers containing bromine or iodine atoms is substantially reduced by adding to the cure mix small amounts of substances capable of combining with the radicals which give rise to the aforesaid toxic products, thereby preventing them from forming. This procedure does not sensibly affect the cure trend and results.
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