US 11,773,230 B2
Refresh agent
Amy M. Randall, Brentwood, TN (US); and Maryangel G. Dunlavy, Ravenna, OH (US)
Assigned to Bridgestone Americas Tire Operations, LLC, Nashville, TN (US)
Filed by Bridgestone Americas Tire Operations, LLC, Nashville, TN (US)
Filed on Jul. 20, 2020, as Appl. No. 16/933,528.
Application 16/933,528 is a division of application No. 14/765,412, granted, now 10,717,838, previously published as PCT/US2014/025201, filed on Mar. 13, 2014.
Claims priority of provisional application 61/782,223, filed on Mar. 14, 2013.
Prior Publication US 2021/0002442 A1, Jan. 7, 2021
Int. Cl. C08J 7/06 (2006.01); B60C 1/00 (2006.01); C08L 21/00 (2006.01); C08J 5/12 (2006.01); C08J 7/043 (2020.01); B32B 25/04 (2006.01); B32B 25/12 (2006.01); B32B 25/16 (2006.01); B32B 25/18 (2006.01); C09J 5/02 (2006.01); C08K 5/04 (2006.01); C08K 5/01 (2006.01); C08C 4/00 (2006.01); B60C 27/02 (2006.01); C09J 193/04 (2006.01); C09J 193/00 (2006.01)
CPC C08J 7/065 (2013.01) [B32B 25/042 (2013.01); B32B 25/12 (2013.01); B32B 25/16 (2013.01); B32B 25/18 (2013.01); B60C 1/00 (2013.01); C08J 5/122 (2013.01); C08J 7/043 (2020.01); C08L 21/00 (2013.01); C09J 5/02 (2013.01); B32B 2255/10 (2013.01); B32B 2255/24 (2013.01); B60C 27/0284 (2013.01); C08C 4/00 (2013.01); C08J 2307/00 (2013.01); C08J 2309/00 (2013.01); C08J 2309/06 (2013.01); C08J 2321/00 (2013.01); C08K 5/01 (2013.01); C08K 5/04 (2013.01); C08K 2201/007 (2013.01); C09J 193/00 (2013.01); C09J 193/04 (2013.01); C09J 2407/008 (2013.01); C09J 2409/008 (2013.01); Y10T 428/24752 (2015.01); Y10T 428/31826 (2015.04); Y10T 428/31844 (2015.04); Y10T 428/31931 (2015.04)] 20 Claims
OG exemplary drawing
 
1. A method comprising the steps of:
applying an effective amount of a refresh agent to a surface of a first uncured rubber component, the refresh agent including a liquid selected from the group consisting of: one or more liquid terpenes, limonene, carvone, pinene, pine needle oil, citral, orange oil, dodecane, decane, undecane, dipentene, 1,8-cineole, eucalyptol, citronellol, geraniol, citronellene, terpinen-4-ol, and combinations thereof, thereby forming a first coated surface; and
joining a second uncured rubber component to the first coated surface of the first uncured rubber component at an interface;
wherein the amount is effective to temporarily refresh tack of the first uncured rubber component and hold it to the second uncured rubber component until curing;
curing the joined rubber components to form a vulcanized rubber article;
prior to or during curing, the refresh agent evaporating or eluting from the joined rubber components;
wherein the refresh agent has an evaporation rate of about 0.1 mg/min to about 8 mg/min at 25° C. and 1 atm pressure;
wherein the vulcanized rubber article is free of or essentially free of the refresh agent.