Abstract: Provided is a thermoplastic elastomer composition, which includes a halogenated isoolefin/para-alkylstyrene copolymer rubber dispersed in a polyamide resin in order to improve the fatigue durability of a polyamide resin, while maintaining high flowability of the polyamide. A thermoplastic elastomer composition comprising a continuous phase composed of a modified polyamide resin (A) and a dispersed phase composed of a halogenated isoolefin/para-alkylstyrene copolymer rubber (B) is provided. The modified polyamide resin (A) is a resin obtained by melt-kneading 100 parts by weight of a polyamide resin (C) with not less than 0.05 part by weight and less than 3 parts by weight a compound (D), such as a monofunctional epoxy compound, capable of binding to a terminal amino group of the polyamide resin at a temperature not lower than the melting point of the polyamide resin (C). The composition can be used as an inner liner of a pneumatic tire.

Abstract: In a filament power supply circuit of a vacuum fluorescent display, an integration circuit is connected to a signal input terminal which receives a pulse signal having a magnitude corresponding to a DC power supply voltage. A comparison circuit compares an output voltage from the integration circuit with a reference voltage, and outputs a result. A first filament cathode connection terminal is connected to one terminal of the filament cathode of a vacuum fluorescent display and applies the DC power supply voltage to the one terminal. A second filament cathode connection terminal is connected to the other terminal of the filament cathode to ground the other terminal via a capacitive element. A three-terminal element includes first, second, and third terminals. The first terminal is connected to the first filament cathode connection terminal. The second terminal is grounded.

Abstract: Provided is a thermoplastic resin composition in which a modified rubber excellent in low temperature resistance is dispersedly added in a polyamide resin matrix to improve the low temperature resistance (cyclic fatigue resistance) of the polyamide resin, the composition maintaining its fluidity even at a high content of modified rubber, thus allowing film formation, and exhibiting excellent low temperature resistance. The thermoplastic resin composition includes a polyamide resin (A) and a modified rubber (B) having an acid anhydride group or an epoxy group and is characterized in that the modified rubber (B) having an acid anhydride group or an epoxy group is modified with a hydrogen bonding compound (C) having a functional group reacting with an acid anhydride group or an epoxy group and a functional group capable of hydrogen bonding with an amide bond or a hydroxyl group.

Abstract: A low permeability rubber laminate capable of preventing blisters formed when fabricating a pneumatic tire having a low permeability resin composition (A) layer having a air permeation coefficient, determined according to JIS K7126, of 0.5×10?12 cc·cm/cm2·sec·cmHg or less at 30° C., an average thickness d of 0.05 ?m<d<5 ?m and a Young's modulus E of 0.5 MPa<E<300 MPa at 160-200° C., laminated on one surface of a rubber composition (B) layer and superior in air pressure retention performance and durability and a pneumatic tire using the same as an inner liner.

Abstract: A polyamide resin composition, having an excellent extensibility and flexing fatigue, composed of a polyamide resin (A), as a matrix, and a modifying polymer (C), dispersed therein, having a functional group (B) reactive with the polyamide resin (A), wherein a tensile stress at break of the modifying polymer (C) is 30 to 70% of the tensile stress at break of the polyamide resin (A), and a tensile elongation at break of the modifying polymer (C) is 100 to 500% of the tensile elongation at break of the polyamide resin (A) as well as a pneumatic tire and hose using the same.

Abstract: A method for producing a laminate (E) of a low air permeable resin/rubber composition comprising: laminating a laminate (D) of a low air permeable resin (A) layer having an air permeation coefficient of 1.0×10?12 cc·cm/cm2 or less and an average thickness d (?m) of 0.05<d<5 and a thermoplastic resin composition (B) layer with a rubber composition (E) layer so as to form (B)/(A)/(E), followed by vulcanization, and peeling off only the thermoplastic resin composition (B) from the laminate, as well as the laminate thereof.

Abstract: Provided is a thermoplastic elastomer composition, which includes a halogenated isoolefin/para-alkylstyrene copolymer rubber dispersed in a polyamide resin in order to improve the fatigue durability of a polyamide resin, while maintaining high flowability of the polyamide. A thermoplastic elastomer composition comprising a continuous phase composed of a modified polyamide resin (A) and a dispersed phase composed of a halogenated isoolefin/para-alkylstyrene copolymer rubber (B) is provided. The modified polyamide resin (A) is a resin obtained by melt-kneading 100 parts by weight of a polyamide resin (C) with not less than 0.05 part by weight and less than 3 parts by weight a compound (D), such as a monofunctional epoxy compound, capable of binding to a terminal amino group of the polyamide resin at a temperature not lower than the melting point of the polyamide resin (C). The composition can be used as an inner liner of a pneumatic tire.

Abstract: A method for producing a laminate (E) of a low air permeable resin/rubber composition comprising: laminating a laminate (D) of a low air permeable resin (A) layer having an air permeation coefficient of 1.0×10?12 cc·cm/cm2·sec·cmHg or less and an average thickness d (?m) of 0.05<d<5 and a thermoplastic resin composition (B) layer with a rubber composition (E) layer so as to form (B)/(A)/(E), followed by vulcanization, and peeling off only the thermoplastic resin composition (B) from the laminate, as well as the laminate thereof.

Abstract: A method for easily producing a low permeable rubber laminate comprised of a thin film layer of a low permeable resin (B) laminated on a layer of a rubber composition (C) comprising: laminating, on a low permeable multilayer film comprised of layer (A)/layer (B) of a laminated film of a layer of a polyolefin-based resin (A) and a thin film layer of a low permeable resin (B) having an air permeability coefficient, determined based on JIS K7126 at 30° C., of 0.5×10?12 cc·cm/cm2·sec·cmHg or less and an average thickness ? of 0.05<?<20 ?m and having a peeling strength of the layer (A)/layer (B), determined based on JIS K6256 at 30° C., of less than 0.05N/mm for a pseudo-adhesive state, a layer of an unvulcanized rubber composition (C) in an order of layer (A)/layer (B)/layer (C) to bond the layer (B)/layer (C) so that the peeling strength, determined based on JIS K6256 at 30° C., of the layer (C) and layer (B) becomes 0.

Abstract: An object of the present invention is, in a thermoplastic elastomer composition in which a modified rubber is filled and dispersed in a polyamide resin matrix in order to improve the low-temperature durability of the polyamide resin, to reduce the extrusion load during extrusion molding thereof into a film without deteriorating the low-temperature durability. The present invention is a thermoplastic elastomer composition (E) comprising a modified polyamide resin (C) and a modified rubber (D) dispersed in the modified polyamide resin (C), the modified polyamide resin (C) being a resin obtained by melt-blending an polyamide resin (A) and a compound (B) capable of reacting with a terminal amino group of a polyamide resin, wherein the modified rubber (D) has an acid anhydride group or epoxy group and is dynamically cross-linked by a compound (F) having at least one disulfide bond and at least two amino groups.

Abstract: An object of the present invention is, in a thermoplastic elastomer composition in which a modified rubber is dispersed and filled in an ethylene-vinyl alcohol copolymer matrix in order to improve the low-temperature durability of the ethylene-vinyl alcohol copolymer, to reduce the extrusion load during extrusion molding thereof into a film without deteriorating the low-temperature durability. The present invention is a thermoplastic elastomer composition comprising an ethylene-vinyl alcohol copolymer (A) and a modified rubber (B) dispersed in the ethylene-vinyl alcohol copolymer (A), wherein the modified rubber (B) has an acid anhydride group or epoxy group and is dynamically cross-linked by a compound (C) having at least two amino groups. This thermoplastic elastomer composition can be suitably used in the production of an inner liner of a pneumatic tire.

Abstract: Provided are a laminate having superior adhesion between a thermoplastic resin composition layer and rubber adhesive layer and superior durability in use, and a pneumatic tire comprising the laminate. This laminate comprises a thermoplastic resin composition layer and a rubber composition layer, wherein the thermoplastic resin composition layer comprises at least one selected from the group consisting of an ethylene-vinyl alcohol copolymer having an ethylene unit content of 20 to 50 mol %, an aliphatic polyamide having a molar ratio of methylene group to amide group of less than 5.4, and a meta-xylenediamine-adipic acid polycondensate; and wherein the rubber composition layer comprises 100 parts by weight of rubber component and 30 to 120 parts by weight of a wet-process silica having a BET specific surface area of 100 to 300 m2/g.

Abstract: An object of the invention is to provide a thermoplastic elastomer composition, which includes a halogenated isoolefin/para-alkylstyrene copolymer rubber dispersed in a polyamide resin in order to improve the fatigue durability of a polyamide resin, while maintaining high flowability of the polyamide resin, even if a halogenated isoolefin/para-alkylstyrene copolymer rubber is finely dispersed and loaded to a high content. A thermoplastic elastomer composition comprising a continuous phase composed of a modified polyamide resin (A) and a dispersed phase composed of a halogenated isoolefin/para-alkylstyrene copolymer rubber (B) is provided. The modified polyamide resin (A) is a resin obtained by melt-kneading 100 parts by weight of a polyamide resin (C) with not less than 0.

Abstract: A method for easily producing a low permeable rubber laminate comprised of a thin film layer of a low permeable resin (B) laminated on a layer of a rubber composition (C) comprising: laminating, on a low permeable multilayer film comprised of layer (A)/layer (B) of a laminated film of a layer of a polyolefin-based resin (A) and a thin film layer of a low permeable resin (B) having an air permeability coefficient, determined based on JIS K7126 at 30° C., of 0.5×10?12 cc·cm/cm2·sec·cmHg or less and an average thickness ? of 0.05<?<20 ?m and having a peeling strength of the layer (A)/layer (B), determined based on JIS K6256 at 30° C., of less than 0.05N/mm for a pseudo-adhesive state, a layer of an unvulcanized rubber composition (C) in an order of layer (A)/layer (B)/layer (C) to bond the layer (B)/layer (C) so that the peeling strength, determined based on JIS K6256 at 30° C., of the layer (C) and layer (B) becomes 0.

Abstract: A low permeability laminate obtained by laminating (A) a thermoplastic resin composition layer containing (i) 50 to 90% by weight of an ethylene vinyl alcohol copolymer having an ethylene content of 20 to 50 mol % and a saponification degree of 90% or more, (ii) 50 to 10% by weight of an aliphatic polyamide resin having 90 mol % or more of an ?-caprolactam-derived component and 3 to 50 parts by weight of a sulfonamide-based plasticizer, based upon 100 parts by weight of the total amount of the components (i) and (ii) and (B) at least one rubber composition layer, a layer of a thickness ?B of layer (B)/a thickness ?A of layer (A) (?B/?A) being 10 or more, followed by being heat treated within a range of 130° C. to 210° C. capable of molding and processing for a long time and a pneumatic tire using the same.

Abstract: A low permeability rubber laminate capable of preventing blisters formed when fabricating a pneumatic tire having a low permeability resin composition (A) layer having a air permeation coefficient, determined according to JIS K7126, of 0.5×10?12 cc·cm/cm2·sec·cmHg or less at 30° C., an average thickness d of 0.05 ?m<d<5 ?m and a Young's modulus E of 0.5 MPa<E<300 MPa at 160-200° C., laminated on one surface of a rubber composition (B) layer and superior in air pressure retention performance and durability and a pneumatic tire using the same as an inner liner.

Abstract: A method for producing a laminate (E) of a low air permeable resin/rubber composition comprising: laminating a laminate (D) of a low air permeable resin (A) layer having an air permeation coefficient of 1.0×10?12 cc·cm/cm2·sec·cmHg or less and an average thickness d (?m) of 0.05<d<5 and a thermoplastic resin composition (B) layer with a rubber composition (E) layer so as to form (B)/(A)/(E), followed by vulcanization, and peeling off only the thermoplastic resin composition (B) from the laminate, as well as the laminate thereof.

Abstract: A pneumatic tire and a process for manufacturing the same which enable, in the use of a film of a thermoplastic resin or a thermoplastic elastomer composition obtained by blending an elastomer in a thermoplastic resin as an air permeation preventive layer, formation of the air permeation preventive layer excelling in gas barrier performance, and molding of the tire through a simple molding operation without generating any unnecessary scraps. For the pneumatic tire of the present invention, a cylindrical molded article composed of a film of a thermoplastic resin or a thermoplastic elastomer composition obtained by blending an elastomer in a thermoplastic resin is crushed into a sheet-like laminate; and the sheet-like laminate is used as the air permeation preventive layer. In the manufacturing operation, the sheet-like laminate is wrapped around a making drum so that an unvulcanized tire having the sheet-like laminate as an air permeation preventive layer is molded, and the unvulcanized tire is vulcanized.

Abstract: There is provided a thermoplastic resin composition which comprises a modified rubber having excellent low-temperature durability dispersed in a polyamide resin matrix in order to improve the low-temperature durability or repeated fatigue resistance of the polyamide resin and which maintains its flowability and can be formed into a film even at a high content of the modified rubber, and has excellent low-temperature durability. The thermoplastic resin composition comprises a modified polyamide resin (A) obtained by melt blending 100 parts by weight of a polyamide resin (A1) and 0.05 to 5 parts by weight of a compound (A2) capable of binding to a terminal amino group of the polyamide resin, at a temperature equal to or higher than the melting point of the polyamide resin (A1), and a modified rubber (B) having an acid anhydride group, an epoxy group, or a carboxyl group or a derivative thereof. The compound (A2) is preferably a monofunctional epoxy compound.

Abstract: A polyamide resin composition, having an excellent extensibility and flexing fatigue, composed of a polyamide resin (A), as a matrix, and a modifying polymer (C), dispersed therein, having a functional group (B) reactive with the polyamide resin (A), wherein a tensile stress at break of the modifying polymer (C) is 30 to 70% of the tensile stress at break of the polyamide resin (A), and a tensile elongation at break of the modifying polymer (C) is 100 to 500% of the tensile elongation at break of the polyamide resin (A) as well as a pneumatic tire and hose using the same.