发明名称 Heat sealable laminated propylene polymer packaging material
摘要 A packaging material having an excellent seal packaging property, which comprises (A) a base layer consisting of a stretched film made of a polymer composition comprising a propylene polymer and (B) a surface layer consisting of a stretched film made of a polymeric mixture comprising a polymer blend provided on at least one surface of said base layer, said polymer blend comprising a copolymer of ethylene and propylene and a copolymer of butene and any other polymerizable monomer having an ethylenic unsaturation in a weight proportion of 5:95 to 95:5.
申请公布号 US4230767(A) 申请公布日期 1980.10.28
申请号 US19790010641 申请日期 1979.02.08
申请人 TOYO BOSEKI KABUSHIKI KAISHA 发明人 ISAKA, TSUTOMU;MATSUO, MAKI;MIYAZAKI, YUKINOBU
分类号 B32B27/32;C09J123/14;C09J123/20;(IPC1-7):B32B27/32;B32B31/16 主分类号 B32B27/32
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