发明名称 POLYVINYL CHLORIDE SHEET FOR PTP LID MATERIAL
摘要 <p>PROBLEM TO BE SOLVED: To obtain a sheet for a press-through-package(PTP) lid material wherein the lid material and a bottom material need not be separated after use of the PTP, recycling and disposal are easy, and the sheet is beneficial to environmental protection and is excellent in shaping and push-through property. SOLUTION: The PTP lid material sheet comprises a sheet as thick as 0.01 to 1 mm of a resin composition containing 5 to 250 pts.wt. of inorganic filler for 100 pts.wt. of polyvinyl chloride-vinyl acetate copolymer containing resin. Burst strength of the sheet is 0.01 to 5 kg/cm<2> , a softening temperature of the sheet is 45 to 80 deg.C, and the inorganic filler comprises at least one of talc, silica, kaolin, mica, alumina, wollastonite, clay and calcium carbonate.</p>
申请公布号 JPH10297669(A) 申请公布日期 1998.11.10
申请号 JP19970110887 申请日期 1997.04.28
申请人 SUMITOMO BAKELITE CO LTD 发明人 MAEDA SHIGERU
分类号 B65D75/36;B65D65/40;C08J5/18;(IPC1-7):B65D75/36 主分类号 B65D75/36
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