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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9598564 B1

PDFFull Text
Date of Patent:
Mar. 21, 2017

Filed:

Feb. 02, 2016

Chemically functionalized renewed rubber composition

Applicant:

Lehigh Technologies, Inc., Tucker, GA (US);

Inventors:

Chad Aaron Jasiunas, Copley, OH (US);

Frank P. Papp, Fort Mill, SC (US);

Charles T. Rosenmayer, Decatur, GA (US);

Adel Farhan Halasa, Akron, OH (US);

Glenn Denstaedt, Johns Creek, GA (US);

Assignee:

Lehigh Technologies, Inc., Tucker, GA (US);

Attorney:

Alvin T. Rockhill

Primary Examiner:

Peter A Salamon

Int. Cl.
CPC ...
C08L 17/00 (2006.01); C08L 9/00 (2006.01); C08L 9/06 (2006.01); B60C 11/00 (2006.01); B60C 13/00 (2006.01); B60C 9/02 (2006.01); B60C 15/00 (2006.01); B60C 1/00 (2006.01); C08C 19/08 (2006.01); C08C 19/22 (2006.01); C08J 11/28 (2006.01); C08K 5/31 (2006.01); C08K 5/43 (2006.01); C08L 19/00 (2006.01);
U.S. Cl.
CPC ...
C08L 9/06 (2013.01); B60C 1/00 (2013.01); B60C 1/0016 (2013.04); B60C 9/02 (2013.01); B60C 11/0008 (2013.04); B60C 13/00 (2013.01); B60C 15/00 (2013.01); C08C 19/08 (2013.01); C08C 19/22 (2013.01); C08J 11/28 (2013.01); C08K 5/31 (2013.01); C08K 5/43 (2013.01); C08L 19/003 (2013.01); C08J 2319/00 (2013.01); C08J 2321/00 (2013.01); C08L 2201/08 (2013.01); C08L 2205/02 (2013.01); C08L 2205/03 (2013.01); C08L 2205/06 (2013.01); C08L 2207/24 (2013.01);
Abstract

This invention relates to certain rubber formulations which exhibit a low level of hysteresis which are comprised of a chemically functionalized renewed rubber and virgin solution styrene-butadiene rubber. These rubber formulations are loaded with a reinforcing silica. The rubber formulations of this invention can be utilized in making rubber products such as, tires, tracks, and conveyor belts which will promote energy savings by virtue of their low hysteretic properties. The present invention more specifically discloses a rubber composition which is comprised of (1) a solution styrene-butadiene rubber; (2) a functionalized renewed rubber composition which is comprised of an elastomeric polymer and a stabilizer; wherein the rubber composition has a crosslink density which is within the range of 0.05 to 2.0×10mole/g, and wherein the rubber composition has a solubility fraction of less than 90 percent; and (3) a reinforcing filler including reinforcing silica.

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