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    • 25. 发明授权
    • Environment purifying material
    • 环境净化材料
    • US5997829A
    • 1999-12-07
    • US973001
    • 1997-11-26
    • Yoshika SekineKenji TonokiTatsuya UchidaYasuo MiyaderaHiroyuki KawadaTakayuki Senda
    • Yoshika SekineKenji TonokiTatsuya UchidaYasuo MiyaderaHiroyuki KawadaTakayuki Senda
    • B01D53/04B01D53/86B01J20/28B01J31/06B01J35/06B01J23/00B01J34/07
    • B01D53/02B01D53/86B01J20/28004B01J20/28028B01J20/28033B01J20/28045B01J31/06B01J35/06B01D2253/102B01D2253/104B01D2253/106B01D2253/108B01D2253/11B01D2253/112B01D2253/202B01D2253/304B01D2253/3425B01D2257/90B01J2231/70Y10S502/507
    • The present invention is directed to a sheet-form environment purifying material comprising particles of metal and/or metal oxide consisting essentially of at least one member being selected from the group consisting of manganese, copper, zinc, iron, vanadium, nickel, titanium, palladium, platinum, manganese oxide, copper oxide, zinc oxide, iron oxide, vanadium oxide, nickel oxide, titanium oxide, palladium oxide, and platinum oxide, adsorbent particles consisting essentially of at least one member selected from the group consisting of activated carbon, zeolite, silica gel, sepiolite, activated alumina and activated clay, thermoplastic resin particles being selected from ultrahigh-molecular weight polyethylene, polyethylene, polycarbonate, polyamide acrylonitrile-butadiene-styrene resins, polyimide, polyvinyl chloride, cellulose acetate, polysulfone, polystyrene phthalate and polypropylene, and an air-permeable sheet of fibrous. The metal and/or metal oxide particles and the adsorbent particles are respectively bound to the thermoplastic resin particles while retaining their inherent surface areas and performances without being covered by the thermoplastic resin layers, and the thermoplastic resin particles are joined to the fibrous substrate. The present invention is also directed to a process for making the environment purifying material which comprises the steps of mixing all the particles and heating the mixture at a temperature not lower than the melting point of the thermoplastic resin and not higher than the thermal decomposition temperature thereof. The environment purifying material of the present invention is useful as deodorizers and harmful gas removers.
    • PCT No.PCT / JP96 / 01423 Sec。 371日期:1997年11月26日 102(e)日期1997年11月26日PCT提交1996年5月27日PCT公布。 第WO96 / 37288号公报 日期:1996年11月28日本发明涉及包含金属和/或金属氧化物颗粒的片状环境净化材料,其基本上由至少一种选自锰,铜,锌,铁,钒 ,镍,钛,钯,铂,氧化锰,氧化铜,氧化锌,氧化铁,氧化钒,氧化镍,氧化钛,氧化钯和氧化铂,吸附剂颗粒基本上由至少一种选自 由活性炭,沸石,硅胶,海泡石,活性氧化铝和活性白土组成的热塑性树脂颗粒,选自超高分子量聚乙烯,聚乙烯,聚碳酸酯,聚酰胺丙烯腈 - 丁二烯 - 苯乙烯树脂,聚酰亚胺,聚氯乙烯,醋酸纤维素, 聚砜,聚苯乙烯邻苯二甲酸酯和聚丙烯,以及纤维状透气性片。 金属和/或金属氧化物颗粒和吸附剂颗粒分别结合到热塑性树脂颗粒上,同时保持其固有的表面积和性能而不被热塑性树脂层覆盖,并且热塑性树脂颗粒与纤维基材接合。 本发明还涉及一种环境净化材料的制造方法,该方法包括以下步骤:将所有颗粒混合并在不低于热塑性树脂的熔点的温度下加热混合物,并且不高于其热分解温度 。 本发明的环境净化材料可用作除臭剂和有害气体去除剂。