Patent application number | Description | Published |
20080230137 | HOSE FOR GASOHOL FUEL - A hose for gasohol fuel including an inner layer containing at least one selected from (A) to (D) below and an alcohol-cut off layer including a rubber composition containing a butyl rubber, a hydrated hydrotalcite compound, and a 1,8-diazabicyclo(5,4,0)undecene-7 salt (DBU salt): | 09-25-2008 |
20100243104 | RESIN FILLER PIPE, AND RESIN FILLER PIPE MODULES EACH EMPLOYING THE SAME - A resin filler pipe which has lower fuel permeability and excellent moldability. The resin filler pipe, which is to be provided on a fuel supply port side, is composed of an alloy material which comprises a sea phase, an island phase dispersed in the sea phase and a sea-island compatibilizing layer present between the sea phase and the island phase. The sea phase comprises a higher-acid-modification-ratio high-density polyethylene resin (A), a lower-acid-modification-ratio high-density polyethylene resin (B), and an unmodified high-density polyethylene resin (C). The island phase comprises a polyamide resin (D). The proportion of the higher-acid-modification-ratio high-density polyethylene resin (A) is 2 to 19 wt % based on the total weight of the components (A) to (D). | 09-30-2010 |
20100247829 | RESIN FUEL-SUPPLY COMPONENT - A resin fuel-supply component which has lower fuel permeability and excellent weldability to a resin fuel tank. The resin fuel-supply component is composed of an alloy material which comprises a sea phase, an island phase dispersed in the sea phase and a sea-island compatibilizing layer present between the sea phase and the island phase. The sea phase comprises a higher-acid-modification-ratio high-density polyethylene resin (A), a lower-acid-modification-ratio high-density polyethylene resin (B), and an unmodified high-density polyethylene resin (C). The island phase comprises an unmodified polyamide resin (D) and a modified polyamide resin (E). In the resin fuel-supply component, the proportion of the modified polyamide resin (E) is not greater than 8 wt % based on the total weight of resins (A)-(E). | 09-30-2010 |
20120199237 | HOSE FOR TRANSPORTING REFRIGERANT AND METHOD OF PRODUCING THE SAME - To provide a hose for transporting a refrigerant, a butyl rubber layer | 08-09-2012 |
20130056107 | RESIN COMPOSITION FOR REFRIGERANT-TRANSPORTING HOSE AND METHOD OF PRODUCING THE RESIN COMPOSITION, AND REFRIGERANT-TRANSPORTING HOSE - A resin composition for a refrigerant-transporting hose, including: a semi-aromatic polyamide resin (A) as a main component; an aliphatic polyamide resin (B); and an elastomer (C), in which the aliphatic polyamide resin (B) is dispersed in a phase formed of the semi-aromatic polyamide resin (A) and the elastomer (C), which is not crosslinked, is incorporated in the form of particles into the dispersed aliphatic polyamide resin (B). Thus, excellent refrigerant permeation resistance and acid resistance, and at the same time, for example, extrusion processability and flexibility, are obtained. | 03-07-2013 |
20130056109 | RESIN-MADE INLET PIPE AND METHOD OF PRODUCING THE PIPE - A resin-made fuel inlet pipe having a light weight excellent impact resistance, and causing no fuel leakage, includes: a tubular inner layer; and an outer layer laminated on an outer peripheral surface thereof, in which: the inner layer is formed of a resin having fuel resistance; the outer layer is formed of a resin (A) having a tensile elongation at 8 m/s measured by a high-speed tensile test of 200% or more; and the inner layer and the outer layer are in a substantially non-adherent state. | 03-07-2013 |
20130061974 | REFRIGERANT-TRANSPORTING HOSE - A refrigerant-transporting hose includes a tubular inner layer | 03-14-2013 |
20130068335 | REFRIGERANT-TRANSPORTING HOSE - A refrigerant-transporting hose having excellent low-refrigerant permeability, acid resistance, and flexibility includes a tubular resin layer for contacting with a refrigerant, in which the resin layer is formed of a resin composition containing (A) an aliphatic polyamide; (B) a semi-aromatic polyamide; and (C) an elastomer, in which a weight mixing ratio “component (A)/component (B)” between the component (A) and the component (B) is 95/5 to 60/40, and the component (A) and the component (B) are in a compatible state. | 03-21-2013 |
20130216751 | RESIN HOSE AND METHOD OF PRODUCING THE SAME - To provide a resin hose excellent in barrier property (fuel barrier property or gas barrier property) and flexibility, the resin hose includes a resin layer containing the following components (A) and (B) as main components thereof, and containing the following component (C):
| 08-22-2013 |
20130221001 | RESIN-MADE FUEL INLET PIPE, AND METHOD FOR PRODUCING SAME - A resin-made fuel inlet pipe that has a light weight, excellent impact resistance, and causes no fuel leakage includes at least one resin layer comprising a resin composition containing (A) a high-density polyethylene (HDPE) or a linear short-chain branched polyethylene (LLDPE); (B) a polyethylene polymerized with a metallocene-based catalyst; and (C) a carbon black. A weight mixing ratio (A)/(B) is in a range of from 10/90 to 90/10; a content of component (C) is in a range of from 0.1 to 5 parts by weight with respect to 100 parts by weight of a total of components (A) and (B); a soft tissue (Y) comprising component (B) is inserted between linear crystalline tissues (X) comprising component (A) to expand an interval between the tissues (X); and component (C) is dispersed in the soft tissue (Y). | 08-29-2013 |
20140187713 | VIRBRATION-DAMPING MATERIAL AND PRODUCTION METHOD THEREFOR - A highly durable vibration-damping material is provided. The inventive vibration-damping material comprises a thermoplastic polyurethane elastomer as a major component, and carbon black, wherein the carbon black is dispersed essentially only in a soft segment of the thermoplastic polyurethane elastomer. | 07-03-2014 |
20140193597 | RESIN FUEL TUBE - A resin fuel tube is provided, which includes at least one resin layer, wherein the resin layer is made of a resin composition comprising: (A) a polypropylene prepared through polymerization with the use of a metallocene catalyst; and (B) a polypropylene material having a melting point of 137° C. to 160° C., the resin composition having a mixing weight ratio of the components (A) and (B) satisfying (A)/(B)=95/5 to 50/50, wherein the resin layer has a structure such that a soft structural portion (Y) of the component (A) intrudes into a space between crystalline structural portions (X) of the component (B). Therefore, the resin fuel tube is light-weight, excellent in impact resistance and heat resistance, free from fuel leakage, and usable in an atmosphere at 130° C. or higher, for example, in an automotive engine room or the like. | 07-10-2014 |
20150056393 | RESIN COMPOSITION FOR FUEL TUBES, AND FUEL TUBE - A resin composition for fuel tubes includes an aromatic polyamide resin (A), an aliphatic polyamide resin (B), and an aminoethylated acrylic polymer (C), wherein a polyamide resin obtained by an amine-exchange reaction between (A) and (B) is contained, and at least one selected from the group consisting of the polyamide resin, (A), and (B) is bound to (C). The resin composition for fuel tubes can achieve both resistance to calcium chloride and fuel barrier properties at the same time and has excellent molding processability. | 02-26-2015 |