发明名称 |
BIAXIALLY STRETCHED POLYESTER FILM AND PACKAGING BAG INCLUDING THE SAME |
摘要 |
PROBLEM TO BE SOLVED: To provide a film including a biaxially oriented polyester layer that can provide heat sealing properties and a packaging bag including the film by a method with high efficiency and high safety.SOLUTION: A film is composed of a single layer of biaxially oriented polyester having a melting point of 225°C to 270°C, or a multi-layer body including the layer of biaxially oriented polyester on the front surface. The layer of biaxially oriented polyester has a microstructure having an uneven front surface in a predetermined area.SELECTED DRAWING: Figure 1 |
申请公布号 |
JP2016147694(A) |
申请公布日期 |
2016.08.18 |
申请号 |
JP20150026632 |
申请日期 |
2015.02.13 |
申请人 |
TOPPAN PRINTING CO LTD |
发明人 |
YAJIMA SHUNSUKE;SASAKI NORIYUKI |
分类号 |
B65D65/38;B32B3/30;B32B7/02;B32B27/36;C08J5/18 |
主分类号 |
B65D65/38 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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