Rubber compositions containing 2-pyrazine sulfenamides
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United States of America Patent
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Dec 20, 1994
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N/A
app pub date -
May 4, 1993
filing date -
Jun 5, 1992
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Expired
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Abstract
Thiols, or thiolate salts, disulfides and sulfenamides of certain pyrazines are effective accelerators in the sulfur vulcanization of rubber. These compounds, based on 2-pyrazine, show improved rates of vulcanization compared with known sulfenamide accelerators.
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