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1. 发明公开

EP4198077A1 CONDUCTIVE RUBBER COMPOSITIONS AND ARTICLES COMPRISING THE SAME 审中-实审
公开(公告)号：EP4198077A1
公开(公告)日：2023-06-21
申请号：EP22212307.7
申请日：2022-12-08
申请人： The Goodyear Tire & Rubber Company
发明人： DENNIS-PELCHER, Robert Vincent , ZHAO, Junling , MURRAY, Aaron Patrick
IPC分类号： C08K3/04 , C08L7/00 , C08L9/00 , C08L9/06 , C08K3/00 , C08K7/06
摘要： A conductive rubber composition is disclosed comprising a rubber component and one or more electrically conductive carbon components. The conductive rubber composition has an uncured or cured electrical resistance at 23°C less than 10 MΩ when formed into a wire 254 mm long and 2 mm in diameter.

2. 发明公开

EP3733726A1 IN-CHAIN FUNCTIONALIZED ELASTOMER, ITS METHOD OF MANUFACTURING, RUBBER COMPOSITION AND PNEUMATIC TIRE 有权
公开(公告)号：EP3733726A1
公开(公告)日：2020-11-04
申请号：EP20171910.1
申请日：2020-04-28
申请人： The Goodyear Tire & Rubber Company
发明人： MURRAY, Aaron Patrick
IPC分类号： C08F236/10 , C08F136/06 , C08C19/22 , C08C19/25 , C08C19/44 , B60C1/00
摘要： A functionalized elastomer and its method of manufacturing is disclosed. The functionalized elastomer is a copolymer of a first monomer and a second monomer, the first monomer being selected from the group consisting of a conjugated diene monomer and a vinyl aromatic monomer, and the second monomer being of formula 1

wherein R 1 is selected from a C1 to a C8 alkyl, aryl or substituted aryl group or is -SiR 3 where R 3 are independently selected from a C1 to a C8 alkyl group; wherein R 2 is selected from a C1 to a C8 alkyl, aryl or substituted aryl group or is -SiR 3 ; and wherein n = 0 to 3. Also, a rubber composition and a pneumatic tire comprising such a functionalized elastomer is disclosed.

3. 发明公开

EP3838983A1 VULCANIZABLE RUBBER COMPOSITION FOR A PNEUMATIC TIRE 审中-实审
公开(公告)号：EP3838983A1
公开(公告)日：2021-06-23
申请号：EP20213238.7
申请日：2020-12-10
申请人： The Goodyear Tire & Rubber Company
发明人： MARTTER, Teresa Diane , ISITMAN, Nihat Ali , RICKMAN, Becky Gerette , RAMIC, Anthony Joseph , ANYFANTAKI, Karmena Izabela , MURRAY, Aaron Patrick , ENGELDINGER, Eric , WEYDERT, Marc
IPC分类号： C08L9/06 , C08K3/36 , C08L91/00 , B60C1/00
摘要： A vulcanizable rubber composition and its use in a tire or an article of manufacture is disclosed. The vulcanizable rubber composition comprises: from 30 to 90 phr of a first functionalized styrene-butadiene rubber having a glass transition temperature Tg1 ranging from -70 to -50 °C; and from 10 to 50 phr of a second functionalized styrene-butadiene rubber having a glass transition temperature Tg2 ranging from - 110 to -70°C. Tg2 minus Tg1 is at least 10 °C. It further comprises from 0 to 40 phr of at least one additional elastomer; from 50 to 150 phr of silica; from 0 to 50 phr of a hydrocarbon resin; and from 10 to 50 phr of an oil.

4. 发明公开

EP4198079A1 FUNCTIONAL SILANES WITH NO ACTIVE SULFUR FOR ELASTOMER/SILICA COMPOSITIONS 审中-实审
公开(公告)号：EP4198079A1
公开(公告)日：2023-06-21
申请号：EP22211137.9
申请日：2022-12-02
申请人： The Goodyear Tire & Rubber Company
发明人： YAN, Yuan-Yong , CHE, Justin Yinket , SPILKER, Thomas Franklin , MURRAY, Aaron Patrick
IPC分类号： C08K3/36 , C08K5/5419 , C08L15/00 , C07F7/08 , C08K5/5435 , C08K5/5455 , C08K5/5465 , C08K5/544
摘要： A sulfur-vulcanizable rubber composition is disclosed comprising at least one diene elastomer, a reinforcing filler comprising silica, and a silane coupling agent. The diene elastomer is a silane functionalized elastomer. The silane coupling agent excludes an active sulfur moiety. Also, an article of manufacture comprising said rubber composition is disclosed. Further, a non-active silica-containing rubber composition for incorporation in a tire is disclosed. The rubber composition comprises a polymer being a reaction product of a siloxyl condensation reaction between a silane functionalized diene elastomer and a non-sulfur containing silane coupling agent. Finally, a non-sulfur containing bifunctional silane coupling agent comprising at least one first end terminating group reactive with a hydroxyl group contained on silica or precipitated silica and a silane moiety contained on a diene-based elastomer is disclosed.

5. 发明公开

EP3915808A1 FUNCTIONALIZED INITIATOR, METHOD OF MAKING AN INITIATOR AND FUNCTIONALIZED ELASTOMER 有权
公开(公告)号：EP3915808A1
公开(公告)日：2021-12-01
申请号：EP21172814.2
申请日：2021-05-07
申请人： The Goodyear Tire & Rubber Company
发明人： ENSIGN, Seth Cody , MURRAY, Aaron Patrick
IPC分类号： B60C1/00 , C08C19/22 , C08C19/25 , C08C19/44 , C08L15/00
摘要： The present invention is directed to a functionalized polymerization initiator of formula I

where R 1 and R 2 are independently selected to be hydrogen or a C1 to C8 alkyl; R 3 , R 4 , and R 5 are independently selected to be a C1 to C8 alkyl or C6 to C14 aryl or a structure of formula II

where R 6 , R 7 are independently selected to be a C1 to C8 alkyl or a C6 to C14 aryl. Also disclosed is a method of making a functionalized polymerization initiator and a method of making a functionalized elastomer. Further, a functionalized elastomer made by this method, a rubber composition comprising the functionalized elastomer and a pneumatic tire comprising the rubber composition is disclosed.

6. 发明公开

EP3733718A1 FUNCTIONALIZED INITIATOR, METHOD OF MAKING SUCH AN INITIATOR AND FUNCTIONALIZED ELASTOMER AND ITS METHOD OF MANUFACTURING 有权
公开(公告)号：EP3733718A1
公开(公告)日：2020-11-04
申请号：EP20171914.3
申请日：2020-04-28
申请人： The Goodyear Tire & Rubber Company
发明人： MURRAY, Aaron Patrick
IPC分类号： C08C19/22 , C08C19/25 , C08C19/44 , C08F136/06
摘要： A functionalized polymerization initiator and its method of manufacturing is disclosed. The initiator comprises the reaction product of an alkyl lithium compound and a compound of formula 1

wherein R 1 is selected from a C1 to a C8 alkyl, aryl or substituted aryl group or is -SiR 3 where R 3 are independently selected from a C1 to a C8 alkyl group; wherein R 2 is selected from a C1 to a C8 alkyl, aryl or substituted aryl group or is -SiR 3 ; and wherein n = 0 to 3. Also, a method of making a functionalized elastomer and such an elastomer is disclosed. The method comprises the step of polymerizing at least one conjugated diene monomer and optionally an aromatic vinyl monomer in the presence of said functionalized polymerization initiator.

7. 发明公开

EP4011921A1 RUBBER WITH BACKBONE AND END-GROUP FUNCTIONALIZATION AND ITS METHOD OF MANUFACTURING AND USE IN A TIRE 审中-公开
公开(公告)号：EP4011921A1
公开(公告)日：2022-06-15
申请号：EP21211596.8
申请日：2021-12-01
申请人： The Goodyear Tire & Rubber Company
发明人： MURRAY, Aaron Patrick , JIN, Ji Yang , STOCKMAN, Thomas
IPC分类号： C08C19/22 , B60C1/00 , C08C19/25 , C08C19/44 , C08F136/06 , C08F236/10
摘要： A functionalized rubber, its method of manufacturing and its use in a tire is disclosed. The functionalized rubber comprises polymer chains of the structural formula:

wherein Polydiene represents a polymer chain comprising at least one diene monomer and wherein R 1 and R 2 can be the same or different and represent alkyl groups containing from 1 to 8 carbon atoms or moieties of the formula:

wherein R 3 represents alkyl groups containing from 1 to 8 carbon atoms.

8. 发明公开

EP3800067A1 RUBBER COMPOSITION AND PNEUMATIC TIRE 审中-实审
公开(公告)号：EP3800067A1
公开(公告)日：2021-04-07
申请号：EP20199793.9
申请日：2020-10-02
申请人： The Goodyear Tire & Rubber Company
发明人： JACOBY, Claude Charles , NZULU, Frida , ISITMAN, Nihat Ali , MURRAY, Aaron Patrick , SPILKER, Thomas Franklin
IPC分类号： B60C1/00 , C08L9/00 , C08C19/25 , C08F236/06 , C08C19/22
摘要： A vulcanizable rubber composition for use in a tire tread and a pneumatic tire comprising such a rubber composition in its tread is disclosed. The rubber composition comprises, based on 100 parts by weight of elastomer (phr): from 20 to 100 phr of a solution polymerized functionalized isoprene-butadiene rubber having a glass transition temperature (Tg) in a range of -100°C to -50°C; from 0 to 40 phr of a polybutadiene; from 0 to 20 phr of a process oil; from 40 to 80 phr of a resin having a Tg greater than 30°C; and from 100 to 180 phr of silica.

9. 发明公开

EP3628702A1 RUBBER COMPOSITION AND TIRE WITH TREAD 有权
公开(公告)号：EP3628702A1
公开(公告)日：2020-04-01
申请号：EP19198824.5
申请日：2019-09-21
申请人： The Goodyear Tire & Rubber Company
发明人： ISITMAN, Nihat Ali , SANDSTROM, Paul Harry , MARTTER, Teresa Diane , MURRAY, Aaron Patrick
IPC分类号： C08L7/00 , C08K3/36 , C08K5/372 , B60C1/00
摘要： A rubber composition for use in a tire tread is disclosed. The rubber composition comprises, based on parts by weight per 100 parts by weight elastomer (phr):
(A) 100 phr of conjugated diene-based elastomers comprising:
(1) 20 to 80 phr of a first functionalized vinyl polybutadiene rubber having a Tg in a range of from -40°C to -10°C and an isomeric vinyl 1,2-content in a range of from 65 to 85 percent, wherein the first functionalized vinyl polybutadiene rubber contains functional groups reactive with hydroxyl groups on a silica reinforcement of the rubber composition;
(2) 80 to 20 phr of a second functionalized vinyl polybutadiene rubber having a Tg in a range of from -108°C to -90°C and an isomeric vinyl 1,2-content in a range of from 0 to 15 percent, wherein the second functionalized low vinyl polybutadiene rubber contains functional groups reactive with hydroxyl groups on a silica reinforcement of the rubber composition;
wherein the weight ratio of the second functionalized vinyl polybutadiene rubber to the first functionalized vinyl polybutadiene rubber is at least 1/1 or at least 1.5/1; and

(B) 60 to 200 phr of a rubber reinforcing filler comprising a combination of silica, preferably precipitated silica or amorphous synthetic precipitated silica, and carbon black in a weight ratio of silica to carbon black of at least 9/1, together with a silica coupling agent having a moiety reactive with hydroxyl groups on the silica and another different moiety interactive with the diene-based elastomers.

10. 发明公开

EP3628692A1 SILICA REINFORCED RUBBER COMPOSITION CONTAINING A MULTIFUNCTIONAL GROUP FUNCTIONALIZED ELASTOMER AND TIRE WITH TREAD 有权
公开(公告)号：EP3628692A1
公开(公告)日：2020-04-01
申请号：EP19198823.7
申请日：2019-09-21
申请人： The Goodyear Tire & Rubber Company
发明人： PAPAKONSTANTOPOULOS, George Jim , MURRAY, Aaron Patrick , HAHN, Bruce Raymond , MARTTER, Teresa Diane
IPC分类号： C08C19/20 , C08C19/25 , C08C19/44 , C08F136/06 , B60C1/00 , C08L15/00 , C08K3/04 , C08K3/36 , C08K5/548
摘要： A rubber composition is disclosed comprising:
(A) at least one conjugated diene-based elastomer, and
(B) a filler reinforcement for said rubber composition comprising a combination of silica and carbon black,
wherein at least one of said conjugated diene-based elastomers is an end-chain multi-functionalized elastomer comprising a diene-based elastomer end-chain functionalized with at least one multi-functional group comprising at least one of:
(1) alkoxyorganosilane polysulfide of the general formula (I):

(I) (R 1 O) 3 -Si-R 2 -S x -R 2 -Si-(OR 1 ) 3

wherein R 1 represents the same or different aliphatic hydrocarbon radicals containing from 1 to 12 carbon atoms, R 2 represents an aliphatic hydrocarbon containing from 1 to 8 carbon atoms and x represents a value of from 1 to and including 8; and
(2) alkoxyorganosilane of the general formula (II):

(II) (R 1 O) 3 -Si-R 3

wherein R 1 represents the same or different aliphatic hydrocarbon radicals containing from 1 to 12 carbon atoms, and R 3 represents an unsaturated hydrocarbon containing from 2 to 100 carbon atoms; and
wherein said multi-functional groups are exclusive of alkoxyorganomercaptosilanes and alkoxyaminosilanes.

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