发明名称 ARTIKEL MIT EINEM FILM,DER EINE SIEGELSCHICHT AUS POLYAMID, EINE KERNSCHICHT AUS POLYAMID UND EINE SAUERSTOFFSPERRSCHICHT ENTHÄLT, UND VERPACKTE PRODUKTE UNTER VERWENDUNG DIESES FILMES
摘要 <p>An article, such as a bag, pouch, or casing, is made from a multilayer film which has: (a) a first layer, which is an outer film layer, comprising a polyamide having a melting point of from about 250° F. to 400° F., the first layer having a thickness of less than about 18 percent, based on a total thickness of the multilayer film; (b) a second layer comprising at least one member selected from the group consisting of polyamide 6, polyamide 9, polyamide 10, polyamide 11, polyamide 12, polyamide 66, polyamide 610, polyamide 612, polyamide 6I, polyamide 6T, polyamide 69, and copolymers thereof, the second layer having a thickness of from about 3 to 30 percent of the total thickness of the multilayer film; and (c) a third layer which serves as an O2-barrier layer and comprises at least one member selected from the group consisting of ethylene/vinyl alcohol copolymer, and polyvinylidene chloride. The first layer of the film is sealed to itself. The article is suitable for use as a packaging film to be used for cook-in end use. The film provides the article with enhanced sealing and toughness properties The invention also includes a packaged product comprising the multilayer film.</p>
申请公布号 AT228931(T) 申请公布日期 2002.12.15
申请号 AT19970938235T 申请日期 1997.08.12
申请人 CRYOVAC, INC. 发明人 RAMESH, RAM, K.
分类号 B65D81/34;B32B27/08;B32B27/34;(IPC1-7):B32B27/34 主分类号 B65D81/34
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