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    • 7. 发明申请
    • STRETCHED POLYAMIDE FILM
    • 拉伸聚酰胺薄膜
    • US20130323485A1
    • 2013-12-05
    • US13985496
    • 2012-02-21
    • Toshiyuki ShimizuYoshinori MiyaguchiTakuro EndoAkinobu Nagara
    • Toshiyuki ShimizuYoshinori MiyaguchiTakuro EndoAkinobu Nagara
    • C08L77/06
    • C08L77/06B29C55/023B29C55/143B29K2077/00C08J5/18C08J2377/02Y10T428/24942
    • The objective of the present invention is to provide a stretched polyamide film which is excellent in laminatability, lamination strength, mechanical properties and shock resistance property and which has effects to prevent goods being broken and protect a content from vibration and shock at the time of transportation when used as various packaging materials. The present invention relates to a stretched polyamide film, wherein a main constituent is nylon 6; at least one surface layer meets the following conditions (1) and (2); and the stretched polyamide film meets the following condition (3): (1) a relaxation degree of a surface layer orientation measured by IR spectroscopy is within a range of not less than 0.3 and not more than 0.5; (2) a crystallization degree of a surface layer measured by IR spectroscopy is within a range of not less than 1.0 and not more than 1.4; (3) a heat shrinkage rate (%) in TD direction at 160° C. for 10 minutes is within a range of not less than 0.6 and not more than 4.
    • 本发明的目的是提供一种拉伸聚酰胺薄膜,其具有优异的层合性,层压强度,机械性能和抗冲击性能,并且具有防止货物破裂的效果,并且在运输时保护内容物免受振动和冲击 用作各种包装材料。 本发明涉及拉伸聚酰胺薄膜,其中主要成分是尼龙6; 至少一个表面层满足以下条件(1)和(2); 拉伸聚酰胺膜满足以下条件(3):(1)通过IR光谱测定的表面层取向的松弛度在0.3以上且0.5以下的范围内; (2)通过IR光谱测定的表面层的结晶度在1.0以上且1.4以下的范围内, (3)在160℃下10分钟的TD方向的热收缩率(%)在0.6以上且4以下的范围内。