Silica reinforced rubber

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12104038
SERIAL NO

17546256

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Abstract

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The subject invention is based upon the unexpected discovery that the use of a very specific combination of hydrophobating silanes and sulfur crosslinkable silanes can be used to attain outstanding performance characteristics in silica reinforced rubber formulations. More specifically, these rubber formulations provide a highly desirable combination of both improved abrasion characteristics and reduced hysteresis without compromising other important rubber characteristics. The present invention more specifically discloses a sulfur cured rubber formulation which is the reaction product of (1) at least one rubbery polymer, (2) sulfur, (3) silica, (4) 2 phf to 12 phf of a hydrophobating silane, and (5) 0.5 phf to 3 phf of a crosslinkable silane. The weight ratio of the hydrophobating silane to the crosslinkable silane will typically be within the range of about 2:1 to about 20:1.

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Patent Owner(s)

Patent OwnerAddress
GOODYEAR TIRE & RUBBER COMPANY THE1144 EAST MARKET STREET INTELLECTUAL PROPERTY LAW D/823 AKRON OH 44316-0001

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gulas, Brad Stephen Fairlawn, US 12 43
Hahn, Bruce Raymond Hudson, US 67 303
Papakonstantopoulos, George Jim Medina, US 34 33

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