发明名称 |
Kaltdichtende Filme und damit hergestellte Packungen |
摘要 |
<p>Sheet material for packaging comestibles and pharmaceuticals comprises a continuous flexible plastic film having a first surface with an energy level > 36 dynes/cm and a second surface with an energy level 32 dynes/cm with the first surface bearing a geometric pattern coating of dry cold seal adhesive comprising a polyurethane ionomer reaction prod. of 50-80 wt.% polyester polyol, 15-25 wt.% aliphatic diisocyanate and 3-6 wt.% dimethylol propionic acid neutralised with a base, the reaction prod. having Tg of -20 to 5 [deg]C. Also claimed is a non-blocking roll of sheet material for packing comestibles and pharmaceuticals which comprises the continuous flexible plastic film bearing a geometric pattern coating of the dry cold seal adhesive.</p> |
申请公布号 |
DE69610182(D1) |
申请公布日期 |
2000.10.12 |
申请号 |
DE1996610182 |
申请日期 |
1996.11.04 |
申请人 |
CENTURY INTERNATIONAL ADHESIVES AND COATINGS CORP., COLUMBUS |
发明人 |
ZHANG, TIANHONG |
分类号 |
A61L15/58;C08G18/08;C08L75/04;C09J7/02;C09J175/06;(IPC1-7):C09J7/02;B65D65/40 |
主分类号 |
A61L15/58 |
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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