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    • 5. 发明申请
    • REFRIGERANT HOSE
    • 制冷软管
    • US20110186170A1
    • 2011-08-04
    • US12663049
    • 2008-12-26
    • Hideyuki OishiKazuto YamakawaKoji Sato
    • Hideyuki OishiKazuto YamakawaKoji Sato
    • F16L9/14
    • F16L9/14Y10T428/1352Y10T428/1386
    • 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.
    • 本发明的目的是提供一种软管,其具有阻挡层和不使用粘合剂粘合的橡胶层,并且与常规软管相比具有显着提高的耐久性。 本发明的软管是具有内层的制冷剂软管,该内层包括阻气层和粘附在阻气层的外表面上的橡胶层。 阻气层包括通过混合聚酰胺和含羧基的改性聚烯烃制备的改性聚酰胺,并且橡胶层包括通过将特定量的烷基酚甲醛树脂和特定量的炭黑与 生橡胶。 生橡胶包括BIMS,丁基橡胶和/或卤化丁基橡胶的共聚物橡胶,和EPDM,规定了炭黑,并且在阻气层和橡胶层之间没有形成粘合剂层。
    • 7. 发明授权
    • Ultra-low permeation hose and method of manufacture
    • 超低渗透软管及其制造方法
    • US06988515B2
    • 2006-01-24
    • US10650966
    • 2003-08-29
    • Hideyuki OishiYuuji KawamoriHiroaki ShibanoFumio Tashiro
    • Hideyuki OishiYuuji KawamoriHiroaki ShibanoFumio Tashiro
    • F16L11/04
    • F16L11/14B32B1/08B32B15/08
    • An object of the present invention is to provide ultra-low permeation hoses which have at the interior thereof a refrigerant barrier layer that consists in large part of a metal layer and is capable of conforming to hose deformation, which have an excellent resistance to refrigerant permeation (i.e., barrier properties to refrigerants), particularly an excellent CO2 permeation resistance and an excellent heat resistance when CO2 is used as the refrigerant. The object can be accomplished by an ultra-low permeation hose having at least a refrigerant barrier layer and a rubber layer and/or a resin layer; wherein the refrigerant barrier layer is a laminated film comprising a resin layer and, on the outside thereof, a metal layer, which the resin layer and the metal layer are bonded together by a polyamide-epoxy reactive adhesive.
    • 本发明的目的是提供一种超低渗透软管,其在内部具有制冷剂阻挡层,该制冷剂阻挡层由金属层的大部分组成并且能够符合软管变形,其具有优异的耐制冷剂渗透性 (即,制冷剂的阻挡性),特别是优异的耐CO 2渗透性,当使用CO 2 2时,耐热性优异。 该目的可以通过至少具有制冷剂阻挡层和橡胶层和/或树脂层的超低渗透软管来实现; 其中,所述制冷剂阻挡层是包含树脂层的层压膜,并且在其外侧具有通过聚酰胺 - 环氧反应性粘合剂将所述树脂层和所述金属层接合在一起的金属层。