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    • 4. 发明授权
    • Polyamide based mixed resin film roll and process for producing the same
    • 聚酰胺类混合树脂膜卷及其制造方法
    • US08062740B2
    • 2011-11-22
    • US11887101
    • 2005-12-21
    • Tadashi NishiYoshinori MiyaguchiNaonobu OdaKatsuhiko Nose
    • Tadashi NishiYoshinori MiyaguchiNaonobu OdaKatsuhiko Nose
    • B32B27/34B32B5/16B29C47/88
    • C08J5/18B29C55/12B29D7/01B29K2077/00C08J2377/00Y10T428/24372Y10T428/24421
    • The problem to be solved by the present invention is to provide a biaxially oriented polyamide based mixed resin film roll with which bag forming processing by lamination is able to be performed smoothly and with high yield ratio and at the same time with which packages free of S-shaped curls can be obtained efficiently. A solution for the problem concerns the polyamide based mixed resin film roll of the present invention which includes a first sample cutout portion within 2 m from the winding end of film and a final cutout portion within 2 m from the winding start of film, and when a sample cutout portion is set up in approximately every 100 m from the first sample cutout portion, in all samples cut out from each of the cutout portions, physical properties such as elastomer content, elastic modulus in tension, boiling water shrinkage percentage and refraction index in the thickness direction are adjusted to be within a predetermined range of variation range.
    • 本发明要解决的问题是提供一种双轴取向的聚酰胺基混合树脂薄膜卷,通过层压可以顺利进行袋形成处理,并且以高收率比进行袋形成处理,同时,不含S的包装 形状的卷发可以有效地获得。 该问题的解决方案涉及本发明的聚酰胺基混合树脂膜卷,其包括距膜的卷绕端2m以内的第一样品切口部和离膜卷绕开始2μm以内的最终切口部, 在从每个切口部分切出的所有样品中,从第一样品切口部分大约每100m设置样品切口部分,物理性质如弹性体含量,拉伸弹性模量,沸水收缩率和折射率 在厚度方向上调整为在变化范围的规定范围内。
    • 9. 发明申请
    • Process for Producing Polyamide-Based Resin Film Roll
    • 生产聚酰胺基树脂膜卷的方法
    • US20090065979A1
    • 2009-03-12
    • US11918143
    • 2005-12-27
    • Tadashi NishiToshifumi NagataYoshinori MiyaguchiNaonobu OdaKatsuhiko Nose
    • Tadashi NishiToshifumi NagataYoshinori MiyaguchiNaonobu OdaKatsuhiko Nose
    • B29C35/10
    • B29C55/143B29C48/08B29C48/914B29C48/9165B29C48/919B29K2077/00
    • The present invention provides a process for production of a polyamide based resin film roll comprising a step of melt-extruding and cooling wherein polyamide based resin is melt-extruded and cooled in a sheet form onto a mobile cooling material surface to obtain an unstretched sheet; a step of biaxial stretching wherein an unstretched sheet is stretched biaxially in the longitudinal direction and the transverse direction; and a step of winding up the biaxially stretched film that is biaxially stretched in a form of roll. Then, in the step of melt-extruding and cooling polyamide based resin onto a mobile cooling material surface, corona discharge in a streamer corona state is performed between an electrode applied with high DC voltage and the polyamide based resin sheet in the melted state, and sufficient electric charges that enable the polyamide based resin sheet in the melted state to come in close contact with the mobile cooling material surface are imparted.
    • 本发明提供一种聚酰胺系树脂薄膜卷的制造方法,其特征在于,包括熔融挤出和冷却步骤,其中将聚酰胺类树脂熔融挤出并以片状冷却至移动冷却材料表面,得到未拉伸片; 双轴拉伸的步骤,其中未拉伸片材在纵向和横向双轴拉伸; 卷绕卷轴双轴拉伸的双轴拉伸膜的工序。 然后,在将聚酰胺类树脂熔融挤出冷却到移动冷却材料表面上的步骤中,在熔融状态下,在施加高直流电压的电极和聚酰胺类树脂片之间进行流光电晕状态的电晕放电, 赋予熔融状态的聚酰胺类树脂片与移动冷却材料表面紧密接触的足够的电荷。
    • 10. 发明申请
    • Polyamide Based Mixed Resin Film Roll And Process For Producing The Same
    • 聚酰胺混合树脂薄膜卷及其生产方法
    • US20080254259A1
    • 2008-10-16
    • US11887101
    • 2005-12-21
    • Tadashi NishiYoshinori MiyaguchiNaonobu OdaKatsuhiko Nose
    • Tadashi NishiYoshinori MiyaguchiNaonobu OdaKatsuhiko Nose
    • B32B5/16B32B27/34B29C47/88
    • C08J5/18B29C55/12B29D7/01B29K2077/00C08J2377/00Y10T428/24372Y10T428/24421
    • The problem to be solved by the present invention is to provide a biaxially oriented polyamide based mixed resin film roll with which bag forming processing by lamination is able to be performed smoothly and with high yield ratio and at the same time with which packages free of S-shaped curls can be obtained efficiently. A solution for the problem concerns the polyamide based mixed resin film roll of the present invention which includes a first sample cutout portion within 2 m from the winding end of film and a final cutout portion within 2 m from the winding start of film, and when a sample cutout portion is set up in approximately every 100 m from the first sample cutout portion, in all samples cut out from each of the cutout portions, physical properties such as elastomer content, elastic modulus in tension, boiling water shrinkage percentage and refraction index in the thickness direction are adjusted to be within a predetermined range of variation range.
    • 本发明要解决的问题是提供一种双轴取向的聚酰胺基混合树脂薄膜卷,通过层压可以顺利进行袋形成处理,并且以高收率比进行袋形成处理,同时,不含S的包装 形状的卷发可以有效地获得。 该问题的解决方案涉及本发明的聚酰胺基混合树脂膜卷,其包括距膜的卷绕端2m以内的第一样品切口部和离膜卷绕开始2μm以内的最终切口部, 在从每个切口部分切出的所有样品中,从第一样品切口部分大约每100m设置样品切口部分,物理性质如弹性体含量,拉伸弹性模量,沸水收缩率和折射率 在厚度方向上调整为在变化范围的规定范围内。