发明名称 |
HIGHLY ADHESIVE POLYESTER FILM AND PACKAGING MATERIAL USING THE SAME |
摘要 |
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. |
申请公布号 |
EP2292429(A1) |
申请公布日期 |
2011.03.09 |
申请号 |
EP20090769909 |
申请日期 |
2009.06.25 |
申请人 |
UNITIKA LTD. |
发明人 |
NODA, ATSUKO;OKUZU, TAKAYOSHI;KUWATA, HIDEKI;YUKI, KIWAMU |
分类号 |
B32B27/36;C08J7/04 |
主分类号 |
B32B27/36 |
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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