Rubber composition improved in anti-static property and pneumati

Details Rubber composition improved in anti-static property and pneumati Rubber composition improved in anti-static property and pneumati

1998-03-24

2000-10-10

Seidleck, James J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524308, 524379, 524317, C08K 509

Patent

active

061302775

ABSTRACT:
Provided are a rubber composition improved in an anti-static property and a pneumatic tire using the same for its tread part, wherein the rubber composition comprises natural rubber and/or diene base synthetic rubber and a white filler as a filler, and further comprises an anionic anti-static agent or a polyoxyalkylene glycol compound represented by the flowing formulas (I), (II) or (III): ##STR1## wherein R.sup.1 and R.sup.3 each represent a linear or branched, saturated or unsaturated aliphatic hydrocarbon group having 1 to 21 carbon atoms, or an aryl group; R.sup.4 and R.sup.5 each represent a hydrogen atom, a linear or branched, saturated or unsaturated aliphatic hydrocarbon group having 1 to 21 carbon atoms, or an aryl group; R.sup.1 and R.sup.3 in the above formula (I), R.sup.4 and R.sup.3 in the above formula (II) and R.sup.4 and R.sup.5 in the above formula (III) in one same molecule may be the same as or different from each other; R.sup.2 is a methylene, ethylene, propylene or tetramethylene group, and all R.sup.2 's may be the same or different; and n is an integer of 100 or less.

REFERENCES:
patent: 4364970 (1982-12-01), Imada et al.
patent: 5039725 (1991-08-01), Nakamura et al.
patent: 5788786 (1998-08-01), Yamauchi et al.
patent: 5845869 (1998-12-01), Makino

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