Rubber mixtures
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United States of America Patent
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-
Apr 15, 2003
Grant Date -
Dec 13, 2001
app pub date -
Mar 27, 2001
filing date -
Mar 28, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Rubber mixtures which comprise (a) a rubber or a mixture of rubbers, (b) a silicatic filler, (c) an organosilane of the general formula (I) R.sup.1 R.sup.2 R.sup.3 Si--R.sup.4 --SH (I) (d) an alkylsilane of the general formula (II) R.sup.1 R.sup.2 R.sup.3 Si--R.sup.5 (II). They are prepared by mixing the rubber or the mixture of rubbers, the silanes according to the formulae I and II and the silicatic filler in a mixing unit and adding the silanes according to the formulae I and II together or separately in succession. They can be used in shaped articles.
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