发明名称 FILME DE MULTICAMADA,LAMINADO E TERMICAMENTE CONTRATIL;COPOLIAMIDAS OBTIDAS POR COPOLIMERIZACAO ALEATORIA DE MONOMEROS PRECURSORES;ARTIGOS DE MANUFACTURA PARA EMBALAGEM DE PRODUTOS ALIMENTICIOS;EMBALAGEM
摘要 <p>The invention relates to laminated films and articles of manufacture based on such films and having improved resistance to heat treatment, wherein said films comprise a heat sealing layer of copolyamide obtained by random copolymerization of precursor monomers of at least two different polyamides. Said laminated films, or the articles of manufacture formed therefrom, such as bags or preformed containers, are useful for packaging applications, particularly in connection with food products.</p>
申请公布号 BR8304964(A) 申请公布日期 1984.11.06
申请号 BR19838304964 申请日期 1983.09.14
申请人 W.R. GRACE & CO. 发明人 EZIO GHIRARDELLO;CESARE QUACQUARELLA;PAOLO COLOMBO;FRANCESCO PEZZANA
分类号 B32B7/02;B32B7/10;B32B27/08;B32B27/28;B32B27/30;B32B27/32;B32B27/34;B65D65/40;(IPC1-7):B32B27/28 主分类号 B32B7/02
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