知搜-全球专利检索

  1. 登录
  2. 注册
发明授权
CN102036819B 易粘接性聚酯膜及使用其的包装材料 有权

易粘接性聚酯膜及使用其的包装材料
摘要：
本发明提供一种在基材聚酯膜的至少一面上设置易粘接性底漆层的易粘接性聚酯膜。基材聚酯膜是由含有聚对苯二甲酸乙二醇酯和改性聚对苯二甲酸丁二醇酯的混合聚酯树脂形成的、具有撕裂直行性的拉伸膜。易粘接性底漆层含有酸值为20～60mgKOH/g、羟基值为30～150mgKOH/g、低聚体含量为2.0质量％以下的聚酯树脂(A)，且实质上不含交联剂成分。
摘要（英）：

Disclosed is a highly adhesive polyester film having a highly adhesive primer layer disposed on at least one side of a substrate polyester film. The substrate polyester film is a stretched film having linear tearability and formed of a mixed polyester resin containing polyethylene terephthalate and a modified polybutylene terephthalate, and the highly adhesive primer layer contains a polyester resin (A) having an acid number of 20 to 60 mg KOH/g and a hydroxyl number of 30 to 150 mg KOH/g, and having an oligomer content of 2.0% by mass or less, and substantially contains no crosslinking agent component.

公开/授权文献
0/0