# US 2014/0150946 A1 · Laminated body of rubber layers > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0150946 A1 - Document ID: US20140150946A1 - Status: Published application - Kind: A1 - Application number: 14/233,452 - Filed: 2012-07-20 - Published: 2014-06-05 - Earliest claimed: 2011-07-20 - Assignees: The Yokohama Rubber Co., Ltd. - Inventors: Ayako Joza; Takahiro Okamatsu - Web page: https://patentgrep.com/patent/US20140150946A1 ## CPC - B32B 25/08: of synthetic resin - B29D 30/0061: {Accessories, details or auxiliary operations not otherwise provided for} - B32B 7/12: using interposed adhesives or interposed materials with bonding properties - B32B 25/16: comprising polydienes {homopolymers} or poly-halodienes {homopolymers (B32B25/12 takes precedence)} - B32B 27/34: comprising polyamides - B32B 27/36: comprising polyesters - B60C 1/00: Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition - B60C 1/0008: {Compositions of the inner liner} - B60C 19/00: Tyre parts or constructions not otherwise provided for - B60C 23/0493: {for attachment on the tyre} - C08K 3/011: Crosslinking or vulcanising agents, e.g. accelerators - B29D 2030/0072: {Attaching fasteners to tyres, e.g. patches, in order to connect devices to tyres} - B60C 5/14: with impervious liner or coating on the inner wall of the tyre - B60C 2005/145: {made of laminated layers} - C08K 5/3432: Six-membered rings - Y10T 152/10495: Pneumatic tire or inner tube - Y10T 428/31757: Polymer of monoethylenically unsaturated hydrocarbon - Y10T 428/31797: Next to addition polymer from unsaturated monomers - B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM - B29D: PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE (making granules B29B9/00; making preforms B29B11/00) - 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) - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract A laminated body of rubber layers includes: a resin layer formed from a polyester resin or a polyamide resin; a rubber layer formed from a rubber composition containing a diene rubber; and an adhesive layer disposed between the resin layer and the rubber layer. The adhesive rubber composition contains a modified rubber composition (A) or a modified rubber composition (B) both having a number average molecular weight of 70,000 to 110,000. The modified rubber composition (A) is formed from a modified butyl rubber (1) formed by reacting, with a butyl rubber, a compound having in a molecule a nitroxide free radical that is stable at ambient temperature in the presence of oxygen, a radical initiator, and a co-crosslinking agent. The modified rubber composition (B) is formed by compounding the co-crosslinking agent with a modified butyl rubber (2) formed by reacting the compound and the radical initiator with the butyl rubber. ## Claims ### Claim 1 A laminated body of rubber layers comprising: a resin layer formed from a polyester resin or a polyamide resin; a rubber layer formed from a rubber composition containing a diene rubber; and an adhesive layer formed from an adhesive rubber composition and being disposed between the resin layer and the rubber layer; the adhesive rubber composition containing a modified rubber composition (A) or a modified rubber composition (B) both having a number average molecular weight of 70,000 to 110,000; the modified rubber composition (A) being formed from a modified butyl rubber (1) formed by reacting, with a butyl rubber, a compound (a) having in a molecule a nitroxide free radical that is stable at ambient temperature in the presence of oxygen, a radical initiator (b), and a co-crosslinking agent (c); and the modified rubber composition (B) being formed by compounding the co-crosslinking agent (c) with a modified butyl rubber (2) formed by reacting the compound (a) and the radical initiator (b) with the butyl rubber. ### Claim 2 (depends on 1) The laminated body of rubber layers according to claim 1, wherein the modified rubber composition (A) and the modified rubber composition (B) comprise a resin crosslinking agent or an organic peroxide. ### Claim 3 (depends on 1) The laminated body of rubber layers according to claim 1, wherein the adhesive rubber composition comprises from 0.1 to 10 parts by weight of an organic peroxide having a temperature at which the half life thereof becomes one minute of 120 to 170° C., per 100 parts by weight of the rubber composition of the adhesive rubber composition. ### Claim 4 (depends on 1) The laminated body of rubber layers according to claim 1, wherein the modified rubber composition (A) and the modified rubber composition (B) have a Mooney viscosity (ML1+4/100° C.) in accordance with JIS K6300 of 30 to 55. ### Claim 5 (depends on 1) A pneumatic tire using the laminated body of rubber layers described in claim 1 in a part of the tire. ### Claim 6 (depends on 2) The laminated body of rubber layers according to claim 2, wherein the adhesive rubber composition comprises from 0.1 to 10 parts by weight of an organic peroxide having a temperature at which the half life thereof becomes one minute of 120 to 170° C., per 100 parts by weight of the rubber composition of the adhesive rubber composition. ### Claim 7 (depends on 2) The laminated body of rubber layers according to claim 2, wherein the modified rubber composition (A) and the modified rubber composition (B) have a Mooney viscosity (ML1+4/100° C.) in accordance with JIS K6300 of 30 to 55. ### Claim 8 (depends on 3) The laminated body of rubber layers according to claim 3, wherein the modified rubber composition (A) and the modified rubber composition (B) have a Mooney viscosity (ML1+4/100° C.) in accordance with JIS K6300 of 30 to 55. ### Claim 9 (depends on 2) A pneumatic tire using the laminated body of rubber layers described in claim 2 in a part of the tire. ### Claim 10 (depends on 3) A pneumatic tire using the laminated body of rubber layers described in claim 3 in a part of the tire. ### Claim 11 (depends on 4) A pneumatic tire using the laminated body of rubber layers described in claim 4 in a part of the tire.