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发明公开
CN104023975A 可挤压并可适形的取向聚丙烯标签 有权

可挤压并可适形的取向聚丙烯标签
摘要：
本发明提供一种可形成到标签中的可挤压取向聚丙烯粘合剂膜，其包括至少一个夹在至少两个表皮层之间的芯层，所述层包括：芯层，所述芯层包含聚丙烯和在芯层中的材料的重量的20重量％至50重量％范围内的丙烯-α-烯烃弹性体，所述丙烯-α-烯烃弹性体具有在弹性体的重量的5重量％至25重量％范围内的α-烯烃衍生单元；可印刷的表皮层，所述可印刷的表皮层包含在可印刷的表皮层中的材料的重量的60重量％至100重量％范围内的α-烯烃共聚物，所述α-烯烃共聚物包含至少30重量％的乙烯；和接受粘合剂的表皮层，所述接受粘合剂的表皮层包含在接受粘合剂的表皮层中的材料的重量的60重量％至100重量％范围内的聚丙烯。
摘要（英）：

Provided is a squeezable oriented polypropylene adhesive film that can be formed into a label comprising at least one core layer sandwiched between at least two skin layers, the layers comprising: a core layer comprising a polypropylene and within the range of from 20 wt% to 50 wt%, by weight of the materials in the core layer, of a propylene-alpha-olefin elastomer having within the range of from 5 wt% to 25 wt% alpha-olefin derived units, by weight of the elastomer; a printable skin layer comprising within the range of from 60 wt% to 100 wt%, by weight of the materials in the printable skin layer, or an alpha-olefin copolymer comprising at least 30 wt% ethylene; and an adhesive-accepting skin layer comprising within the range of from 60 wt% to 100 wt%, by weight of the materials in the adhesive-accepting skin layer, of a polypropylene.

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