发明名称 OXYGEN-BARRIER ARTICLES
摘要 Disclosed are articles useful for packaging, storing or transporting oxygen sensitive substances. The material of construction of these articles, or of a layer of such, if the articles are of a multilayer structure, consists essentially of poly(ethylene carbonate) in which the concentration of ether linkages is 8 mol % or less. In preferred embodiments the concentration is 2 mol % or less.
申请公布号 CA2179953(A1) 申请公布日期 1997.12.27
申请号 CA19962179953 申请日期 1996.06.26
申请人 PAC POLYMERS INC. 发明人 MOTIKA, STEPHEN A.;ROKICKI, ANDRZEJ
分类号 C08G64/34;(IPC1-7):C08G64/34 主分类号 C08G64/34
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