发明名称 WEICHE DURCHSICHTIGE POLYÄTHYLENFOLIE
摘要 Polyethylene type soft transparent resin sheet according to the present invention includes a layer made of polyethylene type resin and has following characteristics: (a) tensile modulus of 20 to 1000MPa; (b) number of foreign substance having refractivity different from amorphous resin composition occupying major part of volume fraction of the sheet at any cross section of the sheet being less than or the same as 500 /mm<2> and average length of the foreign substance being less than or the same as 10 mu m; and (c) surface roughness Ra of at least one surface being less than or the same as 0.2 mu m. The polyethylene type resin is a copolymer of ethylene and polar group substituted ethylene such as ethylene-vinyl acetate copolymer ethylene-ethylacrylate copolymer and so on. <IMAGE>
申请公布号 AT224801(T) 申请公布日期 2002.10.15
申请号 AT19980905691T 申请日期 1998.02.26
申请人 IDEMITSU PETROCHEMICAL CO., LTD. 发明人 FUJII, ATSUSHI;YUKUMOTO, TOHRU;FUJIWARA, KENICHI;NAGAO, TOMOHIRO
分类号 B29C47/88;C08J5/18 主分类号 B29C47/88
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