发明名称 PRINTER RIBBON AND FILM USED FOR PREPARATION THEREOF
摘要 PRINTER RIBBON AND FILM USED FOR PREPARATION THEREOF Disclosed is a film for a printer ribbon, which is made of a resin composition comprising, 55 to 95% by weight of high-density polyethylene and 5 to 45% by weight of low-density polyethylene and having a melt tension of at least 1.4 g and a density of 0.94 to 0.96 g/cm3. The film is made by the T-die-chill roll method wherein a good stability at both ends of the extruded molten resin film is maintained to prevent the occurrence of an uneven thickness or formation of wrinkles, and wherein undesirable engulfment of air between the molten resin film and the chill roll is avoided.
申请公布号 CA1298015(C) 申请公布日期 1992.03.24
申请号 CA19870543250 申请日期 1987.07.29
申请人 SHOWA DENKO KABUSHIKI KAISHA 发明人 KARATSU, MAKOTO;GOTO, SUMIO
分类号 B41J31/00;B41M5/025;B41M5/10;B41M5/382;B41M5/40;B41M5/41;C08J5/18;C08L23/06 主分类号 B41J31/00
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