Carbon black for functional rubber component
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United States of America Patent
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Issued Date -
Apr 24, 2008
app pub date -
Oct 12, 2007
filing date -
Oct 20, 2006
priority date (Note) -
Abandoned
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Abstract
The present invention provides carbon black for a functional rubber component which can provide rubber with an excellent set resistance and a high UHF vulcanization performance by high frequency induction heating. The carbon black has a nitrogen adsorption specific surface area (N.sub.2SA) of 15 to 30 m.sup.2/g and a DBP absorption of 100 to 135 cm.sup.3/100 g, and satisfies the relationship of the following formulas (1) and (2). 460-10.5.times.N.sub.2SA.gtoreq.Dst (1) 2900.gtoreq.H (2) wherein N.sub.2SA denotes the nitrogen adsorption specific surface area (m.sup.2/g), Dst denotes the modal diameter (nm) of a Stokes diameter distribution of carbon black aggregates, and H denotes the hydrogen content (.mu.g/g) per 1 g of carbon black.
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