Abstract: Provided is a piping system for an air conditioner installed in a vehicle that can achieve appropriate weight reduction while ensuring appropriate pressure resistance as the piping system as a whole. A circulation path that connects component devices of an air conditioner (8) in an annular shape to circulate a refrigerant (C) is formed by each pipe body extending between the component devices. At least one of the pipe bodies includes: a resin hose (2) embedded with a non-metal reinforcing material (3f) or a resin pipe (5) embedded with a non-metal reinforcing material (6f), and the resin pipe bodies (2), (5) are employed in 50% or more of a total length of each of the pipe bodies constituting the circulation path.

Abstract: Provided is a piping system for an air conditioner installed in a vehicle that can achieve appropriate weight reduction while ensuring appropriate pressure resistance as the piping system as a whole. A circulation path that connects component devices of an air conditioner (8) in an annular shape to circulate a refrigerant (C) is formed by each pipe body extending between the component devices. At least one of the pipe bodies includes: a resin hose (2) embedded with a non-metal reinforcing material (3f) or a resin pipe (5) embedded with a non-metal reinforcing material (6f), and the resin pipe bodies (2), (5) are employed in 50% or more of a total length of each of the pipe bodies constituting the circulation path.

Abstract: A pneumatic tire using as a tread part, a rubber composition containing a high silica-content rubber composition having a difference F-S between an amount of filler F and an amount of a softening agent S of 60 to 90 parts by weight and having a durometer hardness measured at 20° C. of 65 to 76.

Abstract: A rubber laminate comprises a reinforcing layer and a second rubber layer laminated sequentially on a first rubber layer, at least one outer surface of the first rubber layer and the second rubber layer being covered with an ultra high molecular weight polyethylene layer, wherein the rubber layers covered with the ultra high molecular weight polyethylene layer are formed from a rubber composition comprising from 20 to 40 parts by mass of a softener per 100 parts by mass of a mixed rubber consisting of from 60 to 80% by mass ratio of a diene rubber and 20 to 40% by mass ratio of a ethylene-propylene-diene rubber and/or a butyl rubber.

Abstract: A hose for transporting refrigerant includes an inner tube layer having a gas barrier layer and a rubber layer adjacent to the outer surface of the gas barrier layer. The gas barrier layer is formed using a thermoplastic resin composition comprising a polyamide resin and a modified rubber having an acid anhydride group or an epoxy group, the modified rubber being obtained by modifying a modified raw rubber having an acid anhydride group or an epoxy group with a hydrogen bond-forming compound having a functional group which reacts with the acid anhydride group or the epoxy group and a functional group which is able to form a hydrogen bond with an amide bond or a hydroxyl group. The rubber layer is formed using a rubber composition comprising from 1 to 15 parts by mass of an alkylphenol-formaldehyde resin per 100 parts by mass of a raw rubber.

Abstract: A bonded body 10 of a carbon film covered article and a rubber is formed by bonding a carbon film covered article 13 having a carbon film 12 formed on a surface of an article 11 to an unvulcanized rubber 14 by affixing and vulcanizing. Thereby, a bonded body of rubber and, for example, metal can be provided without the need for an adhesive.

Abstract: A hose for transporting refrigerant of the present technology includes an inner tube layer having a gas barrier layer and a rubber layer adjacent to an outer surface of the gas barrier layer. The gas barrier layer includes a polyamide resin composition obtained by blending from 0.5 to 20 parts by mass of a hydrotalcite per 100 parts by mass of a modified polyamide obtained by blending a polyamide and a carboxyl group-containing modified polyolefin. The rubber layer includes a rubber composition obtained by compounding from 1 to 15 parts by mass of an alkylphenol-formaldehyde resin per 100 parts by mass of a raw rubber. The raw rubber is at least one selected from the group consisting of a BIMS and a butyl rubber and/or a halogenated butyl rubber, which is a copolymer rubber.

Abstract: A hose for refrigerant transport use comprising an inner layer with superior deterioration resistance performance. The innermost layer comprised in the hose for refrigerant transport use of the present invention is formed using a polyamide resin composition comprising a polyamide and, per 100 parts by mass thereof, from 0.5 to 20 parts by mass of an acid acceptor.

Abstract: A hose for transporting refrigerant of this invention is a hose comprising an inner tube layer including a gas barrier layer and a rubber layer adjacent to an outer surface of the gas barrier layer. The rubber layer comprises a rubber composition comprising from 1 to 15 parts by mass of an alkylphenol-formaldehyde resin and from 1 to 8 parts by mass of a hydrotalcite per 100 parts by mass of a raw rubber. The raw rubber comprises at least one selected from the group consisting of a BIMS and a butyl rubber and/or a halogenated butyl rubber, which is a copolymer rubber. The gas barrier layer comprises a polyamide resin composition comprising a modified polyamide obtained by blending a polyamide and a carboxyl group-containing modified polyolefin. The hose for transporting refrigerant of this invention has superior adhesion between the gas barrier layer and the rubber layer.

Abstract: A hose for transporting refrigerant includes an inner tube layer having a gas barrier layer and a rubber layer adjacent to the outer surface of the gas barrier layer. The gas barrier layer is formed using a thermoplastic resin composition comprising a polyamide resin and a modified rubber having an acid anhydride group or an epoxy group, the modified rubber being obtained by modifying a modified raw rubber having an acid anhydride group or an epoxy group with a hydrogen bond-forming compound having a functional group which reacts with the acid anhydride group or the epoxy group and a functional group which is able to form a hydrogen bond with an amide bond or a hydroxyl group. The rubber layer is formed using a rubber composition comprising from 1 to 15 parts by mass of an alkylphenol-formaldehyde resin per 100 parts by mass of a raw rubber.

Abstract: A hose for transporting refrigerant of this invention is a hose comprising an inner tube layer including a gas barrier layer and a rubber layer adjacent to an outer surface of the gas barrier layer. The rubber layer comprises a rubber composition comprising from 1 to 15 parts by mass of an alkylphenol-formaldehyde resin and from 1 to 8 parts by mass of a hydrotalcite per 100 parts by mass of a raw rubber. The raw rubber comprises at least one selected from the group consisting of a BIMS and a butyl rubber and/or a halogenated butyl rubber, which is a copolymer rubber. The gas barrier layer comprises a polyamide resin composition comprising a modified polyamide obtained by blending a polyamide and a carboxyl group-containing modified polyolefin. The hose for transporting refrigerant of this invention has superior adhesion between the gas barrier layer and the rubber layer.

Abstract: A hose for transporting refrigerant of the present technology includes an inner tube layer having a gas barrier layer and a rubber layer adjacent to an outer surface of the gas barrier layer. The gas barrier layer includes a polyamide resin composition obtained by blending from 0.5 to 20 parts by mass of a hydrotalcite per 100 parts by mass of a modified polyamide obtained by blending a polyamide and a carboxyl group-containing modified polyolefin. The rubber layer includes a rubber composition obtained by compounding from 1 to 15 parts by mass of an alkylphenol-formaldehyde resin per 100 parts by mass of a raw rubber. The raw rubber is at least one selected from the group consisting of a BIMS and a butyl rubber and/or a halogenated butyl rubber, which is a copolymer rubber.

Abstract: A hose for refrigerant transport use comprising an inner layer with superior deterioration resistance performance. The innermost layer comprised in the hose for refrigerant transport use of the present invention is formed using a polyamide resin composition comprising a polyamide and, per 100 parts by mass thereof, from 0.5 to 20 parts by mass of an acid acceptor.

Abstract: A bonded body 10 of a carbon film covered article and a rubber is formed by bonding a carbon film covered article 13 having a carbon film 12 formed on a surface of an article 11 to an unvulcanized rubber 14 by affixing and vulcanizing. Thereby, a bonded body of rubber and, for example, metal can be provided without the need for an adhesive.

Abstract: A rubber laminate comprises a reinforcing layer and a second rubber layer laminated sequentially on a first rubber layer, at least one outer surface of the first rubber layer and the second rubber layer being covered with an ultra high molecular weight polyethylene layer, wherein the rubber layers covered with the ultra high molecular weight polyethylene layer are formed from a rubber composition comprising from 20 to 40 parts by mass of a softener per 100 parts by mass of a mixed rubber consisting of from 60 to 80% by mass ratio of a diene rubber and 20 to 40% by mass ratio of a ethylene-propylene-diene rubber and/or a butyl rubber.

Abstract: An object of the present invention is to provide a hose which has a gas barrier layer and a rubber layer adhered without using an adhesive, and which has a dramatically improved durability compared to the conventional hose. The hose of the present invention is a refrigerant hose having an inner layer comprising a gas barrier layer and a rubber layer adhered to the outer surface of the gas barrier layer. The gas barrier layer comprises a modified polyamide prepared by blending a polyamide and a carboxyl group-containing modified polyolefin, and the rubber layer comprises a rubber composition prepared by blending a particular amount of an alkylphenol formaldehyde resin and a particular amount of carbon black with a raw rubber. The raw rubber comprises a BIMS, a copolymer rubber which is a butyl rubber and/or a halogenated butyl rubber, and an EPDM, the carbon black is specified, and no adhesive layer is formed between the gas barrier layer and the rubber layer.

Abstract: An object of the present invention is to provide a hose which has a gas barrier layer and a rubber layer adhered without using an adhesive, and which has a dramatically improved durability compared to the conventional hose. The hose of the present invention is a refrigerant hose having an inner layer comprising a gas barrier layer and a rubber layer adhered to the outer surface of the gas barrier layer. The gas barrier layer comprises a modified polyamide prepared by blending a polyamide and a carboxyl group-containing modified polyolefin, and the rubber layer comprises a rubber composition prepared by blending a particular amount of an alkylphenol formaldehyde resin and a particular amount of carbon black with a raw rubber. The raw rubber comprises a BIMS, a copolymer rubber which is a butyl rubber and/or a halogenated butyl rubber, and an EPDM, the carbon black is specified, and no adhesive layer is formed between the gas barrier layer and the rubber layer.

Abstract: A thermoplastic resin elastomer/rubber laminate comprising a rubber layer containing 100 parts by weight of a rubber and 0.1-20 parts by weight of an antioxidant preblended thereto and a thermoplastic resin elastomer composition layer, obtained by laminating at least two layers of the rubber layer and the thermoplastic resin elastomer composition layer followed by heating and pressing, whereby the antioxidant migrates from the rubber layer to the thermoplastic resin elastomer composition layer to improve the weathering resistance as well as a pneumatic tire using the same as an inner liner.

Abstract: A pneumatic tire using as a tread part, a rubber composition containing a high silica-content rubber composition having a difference F-S between an amount of filler F and an amount of a softening agent S of 60 to 90 parts by weight and having a durometer hardness measured at 20° C. of 65 to 76.

Abstract: A pneumatic tire having a runflat capability provided with a crescent shaped reinforcing rubber layer at the side part thereof, wherein an inner layer is composed of a thermoplastic elastomer composition containing (A) at least one thermoplastic resin having an air permeation coefficient of 100×10?12 cc·cm/cm2·sec·cmHg or less and a Young's modulus of more than 500 MPa and (B) at least one elastomer ingredient having an air permeation coefficient of 50×10?12 cc·cm/cm2·sec·cmHg or more and a Young's modulus of 500 MPa or less in amounts of at least 30% by weight based upon the total polymer ingredients and having an air permeation coefficient of 100×10?12 cc·cm/cm2·sec·cmHg or less.