Abstract: This invention relates to a rubber compound for tire treads, comprising: 30 to 70 parts by weight per hundred parts by weight rubber (phr) of a cyclopentene ring-opening rubber having a Tg of ?120° C. to ?80° C. and a ratio of cis to trans of 5:95 to 40:60; and 20 phr to 60 phr of a high vinyl polybutadiene rubber.

Abstract: A rubber compound for heavy-duty truck or bus tire treads may comprise: 5 to 100 parts by weight per hundred parts by weight rubber (phr) of a long chain branched cyclopentene ring opening rubber (LCB-CPR) having a glass transition temperature (Tg) of ?120° C. to ?80° C., a g?vis of 0.50 to 0.91, and a ratio of cis-to-trans of 40:60 to 5:95; 0 phr to 95 phr of a rubber selected from a group consisting of a natural rubber (NR), a polybutadiene rubber (BR), and a combination thereof; 30 phr to 90 phr of a reinforcing filler; and 0.5 phr to 20 phr of a process oil.

Abstract: A rubber compound suitable for passenger tires may comprise: 40 to 70 parts by weight per hundred parts by weight rubber (phr) of a long chain branched cyclopentene ring-opening rubber (LCB-CPR) having a glass transition temperature (Tg) of ?120° C. to ?80° C., a g?vis of 0.50 to 0.91, and a ratio of cis to trans of 40:60 to 5:95, 30 phr to 60 phr of a styrene-butadiene rubber (SBR), wherein the SBR has a glass transition temperature (Tg) of ?60° C. to ?5° C., 50 phr to 110 phr of a reinforcing filler, and 20 phr to 50 phr of a process oil.

Abstract: Rubber compounds may comprise: an epoxidized polypentenamer rubber (CPR) and/or a hydrolyzed epoxidized CPR; and a filler comprising silica particles. One nonlimiting example is rubber compound comprising: phr to 90 phr of a styrene-butadiene rubber (SBR), a natural rubber (NR), and/or a butadiene rubber (BR); 10 phr to 50 phr of a epoxidized CPR and/or a hydrolyzed epoxidized CPR; and 10 phr to 200 phr of a filler comprising silica particles, wherein the SBR, the NR, the BR, the epoxidized CPR, and the hydrolyzed epoxidized CPR combined equal 100 parts. Rubber compounds comprising epoxidized CPR and/or a hydrolyzed epoxidized CPR; and a filler comprising silica particles may be useful in tire compositions.

Abstract: This application relates to a resource scheduling method, a resource scheduling system, a server, and a storage medium. The resource scheduling method includes receiving a virtual machine application request sent by a terminal, wherein the virtual machine application request includes a target virtual machine label. The resource scheduling method further includes comparing the target virtual machine label with a current virtual machine label of each host computer in a cluster to determine a target host computer, wherein the target host computer includes no virtual machine label matching the target virtual machine label, enabling the target host computer to create a first virtual machine, and setting a label of the first virtual machine as the target virtual machine label.

Abstract: This invention relates to a rubber compound for tire treads, comprising: 30 to 70 parts by weight per hundred parts by weight rubber (phr) of a cyclopentene ring-opening rubber having a Tg of ?120° C. to ?80° C. and a ratio of cis to trans of 5:95 to 40:60; and 20 phr to 60 phr of a high vinyl polybutadiene rubber.

Abstract: Vulcanizates with desirable properties can be obtained from compounds incorporating polymers that include hydroxyl group-containing aryl functionalities. The functionalities can be incorporated by using any or all of appropriate initiators, monomers and optional terminating compounds. Such polymers exhibit excellent interactivity with both conventional and non-conventional fillers.

Abstract: Vulcanizates with desirable properties can be obtained from compounds incorporating polymers that include hydroxyl group-containing aryl functionalities. The functionalities can be incorporated by using any or all of appropriate initiators, monomers and terminating compounds. Such polymers exhibit excellent interactivity with both conventional and non-conventional fillers.

Abstract: A wax-polymer compound includes (a) a polymer component that is a polymerized unsaturated monomer, optionally copolymerized with a vinyl-aromatic monomer, and (b) a halogenated hydrocarbon wax component. The polymer component is grafted to the halogenated hydrocarbon wax component, and the wax-polymer compound has a number average molecular weight of about 1,000 to about 100,000. A method of making the wax-polymer compound and a coated silica particle are also disclosed.

Abstract: The present invention provides an elastomeric composition comprising: at least one first elastomer; at least one first hydrocarbon polymer additive; and at least one second hydrocarbon polymer additive; wherein each of the first hydrocarbon polymer additive and the second hydrocarbon polymer additive is selected from the group consisting of: C5 aliphatic resins, C9 aromatic resins, mixed C5/C9 resins, pure aromatic monomer resins, dicyclopentadiene (DCPD) resins, aromatic modified cycloaliphatic resins, coumarone indene resins, rosin resins, rosin esters, terpene resins, modified terpene resins, terpene phenolic resins, and hydrogenated resins thereof. The composition may further comprise a second elastomer which is immiscible with the first elastomer.

Abstract: Vulcanizates with desirable properties can be obtained from compounds incorporating polymers that include hydroxyl group-containing aryl functionalities. The functionalities can be incorporated by using any or all of appropriate initiators, monomers and optional terminating compounds. Such polymers exhibit excellent interactivity with both conventional and non-conventional fillers.

Abstract: This application relates to a resource scheduling method, a resource scheduling system, a server, and a storage medium. The resource scheduling method includes receiving a virtual machine application request sent by a terminal, wherein the virtual machine application request includes a target virtual machine label. The resource scheduling method further includes comparing the target virtual machine label with a current virtual machine label of each host computer in a cluster to determine a target host computer, wherein the target host computer includes no virtual machine label matching the target virtual machine label, enabling the target host computer to create a first virtual machine, and setting a label of the first virtual machine as the target virtual machine label.

Abstract: Vulcanizates with desirable properties can be obtained from compositions incorporating polymers that include hydroxyl group-containing aryl functionalities, silica or other particulate filler(s) that contain or include oxides of silicon and a group or compound that can act to covalently bond the filler particles and the polymer. The group can be provided as a substituent of the filler particle, or a discreet compound can be provided in the composition.

Abstract: Elastomeric compounds having increased cold flow resistance may be obtained by utilizing from 10-100 phr of a functionalized rubbery polymer containing specified types of functionalizing units, at least 0.01 phr of a multivalent metal organic salt and 0-90 phr of at least one additional rubbery polymer.

Abstract: Vulcanizates with desirable properties can be obtained from compounds incorporating polymers that include hydroxyl group-containing aryl functionalities. The functionalities can be incorporated by using any or all of appropriate initiators, monomers and terminating compounds. Such polymers exhibit excellent interactivity with both conventional and non-conventional fillers.

Abstract: A wax-polymer compound includes (a) a polymer component that is a polymerized unsaturated monomer, optionally copolymerized with a vinyl-aromatic monomer, and (b) a halogenated hydrocarbon wax component. The polymer component is grafted to the halogenated hydrocarbon wax component, and the wax-polymer compound has a number average molecular weight of about 1,000 to about 100,000. A method of making the wax-polymer compound and a coated silica particle are also disclosed.

Abstract: The present invention provides an elastomeric composition comprising: at least one first elastomer; at least one first hydrocarbon polymer additive; and at least one second hydrocarbon polymer additive; wherein each of the first hydrocarbon polymer additive and the second hydrocarbon polymer additive is selected from the group consisting of: C5 aliphatic resins, C9 aromatic resins, mixed C5/C9 resins, pure aromatic monomer resins, dicyclopentadiene (DCPD) resins, aromatic modified cycloaliphatic resins, coumarone indene resins, rosin resins, rosin esters, terpene resins, modified terpene resins, terpene phenolic resins, and hydrogenated resins thereof. The composition may further comprise a second elastomer which is immiscible with the first elastomer.

Abstract: Vulcanizates with desirable properties can be obtained from compounds incorporating polymers that include hydroxyl group-containing aryl functionalities. The functionalities can be incorporated by using any or all of appropriate initiators, monomers and optional terminating compounds. Such polymers exhibit excellent interactivity with both conventional and non-conventional fillers.

Abstract: A wax-polymer compound includes (a) a polymer component that is a polymerized unsaturated monomer, optionally copolymerized with a vinyl-aromatic monomer, and (b) a halogenated hydrocarbon wax component. The polymer component is grafted to the halogenated hydrocarbon wax component, and the wax-polymer compound has a number average molecular weight of about 1,000 to about 100,000, A method of making the wax-polymer compound and a coated silica particle are also disclosed. A rubber composition includes a rubber elastomer comprising a polymerized unsaturated monomer and optionally a polymerized vinyl-aromatic monomer, the elastomer having a number average molecular weight of about 100,000 to about 1,000,000. It further includes a filler in an amount of about 5 to about 200 phr, the filler comprising carbon black, silica, or both; and a wax-polymer additive.

Abstract: Radical polymerization techniques can be used to polymerize monomers that include a class of hydroxyaryl compounds so as to provide polymers that exhibit desirable properties including, but not limited to, reduced hysteresis. Compositions such as vulcanizates in which such polymers can be utilized and products such as tire components that incorporate and/or are manufactured from such compositions also are provided.