# US 10,246,577 B2 · Tire provided with a tread comprising a rubber composition including a thermoplastic resin of poly(methyl methacrylate) > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,246,577 B2 - Document ID: US10246577B2 - Status: Granted - Kind: B2 - Application number: 15/328,205 - Filed: 2015-07-09 - Published: 2017-07-27 - Granted: 2019-04-02 - Earliest claimed: 2014-07-24 - Assignees: Compagnie Generale Des Etablissements Michelin - Applicants: Compagnie Generale Des Etablissements Michelin; Michelin Recherche et Technique S.A. - Inventors: Didier Vasseur; Frederic Lemerle - Web page: https://patentgrep.com/patent/US10246577B2 ## CPC - C08L 7/00: Compositions of natural rubber - B60C 1/0016: {Compositions of the tread} - C08K 3/04: Carbon - C08K 3/06: Sulfur - C08K 3/22: of metals - C08K 5/09: Carboxylic acids; Metal salts thereof; Anhydrides thereof - C08K 5/18: with aromatically bound amino groups - C08K 5/47: Thiazoles - C08L 33/10: Homopolymers or copolymers of methacrylic acid esters - C08L 51/04: grafted on to rubbers - C08L 2312/00: Crosslinking - C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06) - B60C: VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES - C08K: Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives C09) ## Abstract A tire is provided with a tread comprising a rubber composition based on at least one diene elastomer, a reinforcing filler, a crosslinking system and a polymethyl methacrylate thermoplastic resin, the polymethyl methacrylate thermoplastic resin exhibiting a Vicat point, measured according to Standard ISO 306: 2013 B50, within a range extending from 60° C. to 100° C. ## Claims ### Claim 1 A tire provided with a tread comprising a rubber composition based on at least one diene elastomer, a reinforcing filler, a crosslinking system and a polymethyl methacrylate thermoplastic resin, the polymethyl methacrylate thermoplastic resin exhibiting a Vicat softening point, measured according to Standard ISO 306: 2013 B50, within a range extending from 60° C. to 100° C. ### Claim 2 (depends on 1) The tire according to claim 1, wherein the diene elastomer is selected from the group consisting of polybutadienes, synthetic polyisoprenes, natural rubber, butadiene copolymers, isoprene copolymers and mixtures thereof. ### Claim 3 (depends on 1) The tire according to claim 1, wherein the diene elastomer is selected from the group consisting of polybutadienes, copolymers of butadiene and styrene, natural rubber and mixtures thereof. ### Claim 4 (depends on 1) The tire according to claim 1, wherein the reinforcing filler is selected from the group consisting of silicas, carbon blacks and mixtures thereof. ### Claim 5 (depends on 1) The tire according to claim 1, wherein a content of reinforcing filler is within a range extending from 10 to 200 phr. ### Claim 6 (depends on 5) The tire according to claim 5, wherein the content of reinforcing filler is within a range extending from 10 to 150 phr. ### Claim 7 (depends on 1) The tire according to claim 1, wherein the predominant reinforcing filler is carbon black. ### Claim 8 (depends on 7) The tire according to claim 7, wherein a content of carbon black is within a range extending from 10 to 90 phr. ### Claim 9 (depends on 8) The tire according to claim 8, wherein the content of carbon black is within a range extending from 10 to 70 phr. ### Claim 10 (depends on 1) The tire according to claim 1, wherein the predominant reinforcing filler is silica. ### Claim 11 (depends on 10) The tire according to claim 10, wherein a content of silica is within a range extending from 50 to 140 phr. ### Claim 12 (depends on 11) The tire according to claim 11, wherein the content of silica is within a range extending from 70 to 120 phr. ### Claim 13 (depends on 1) The tire according to claim 1, wherein a content of polymethyl methacrylate thermoplastic resin is within a range extending from 1 to 40 phr. ### Claim 14 (depends on 13) The tire according to claim 13, wherein the content of polymethyl methacrylate thermoplastic resin is within a range extending from 2 to 35 phr. ### Claim 15 (depends on 14) The tire according to claim 14, wherein the content of polymethyl methacrylate thermoplastic resin is within a range extending from 3 to 30 phr. ### Claim 16 (depends on 15) The tire according to claim 15, wherein the content of polymethyl methacrylate thermoplastic resin is within a range extending from 5 to 15 phr. ### Claim 17 (depends on 1) The tire according to claim 1, wherein the Vicat softening point of the polymethyl methacrylate thermoplastic resin is within a range extending from 65° C. to 95° C. ### Claim 18 (depends on 17) The tire according to claim 17, wherein the Vicat softening point of the polymethyl methacrylate thermoplastic resin is within a range extending from 70° C. to 90° C. ### Claim 19 (depends on 1) The tire according to claim 1, wherein the rubber composition additionally comprises a plasticizer. ### Claim 20 (depends on 19) The tire according to claim 19, wherein the plasticizer is selected from the group consisting of oils, hydrocarbon resins and mixtures thereof. ### Claim 21 (depends on 19) The tire according to claim 19, wherein a content of plasticizer is within a range extending from 2 to 80 phr. ### Claim 22 (depends on 21) The tire according to claim 21, wherein the content of plasticizer is within a range extending from 5 to 60 phr. ### Claim 23 (depends on 1) The tire according to claim 1, wherein the rubber composition does not comprise a plasticizing agent other than the polymethyl methacrylate thermoplastic resin.