发明名称 |
MULTILAYER FILM FOR RECLOSABLE PACKAGING WITH IMPROVED RECLOSING |
摘要 |
Multilayer film comprising two thin layers D and E of a thermoplastic material bonded to one another by a continuous layer A that is a hot-melt pressure-sensitive adhesive composition: a composition of styrene block copolymers (a mixture of diblock and triblock copolymers); and one or more tackifying resins with a softening temperature of 5 to 140° C.; the adhesive layer A connected to the layer D via a tie layer B, and connected to the layer E via a tie layer C, B and C being polyethylene or polypropylene modified by a cyclic anhydride of an unsaturated acid having from 4 to 8 carbon atoms, manufacture of the film by coextrusion, and Use of the film for resealable packagings. |
申请公布号 |
EP2946920(B1) |
申请公布日期 |
2017.03.01 |
申请号 |
EP20150167928 |
申请日期 |
2015.05.18 |
申请人 |
BOSTIK SA |
发明人 |
Robert, Christophe;Notteau, Christophe;Sallet, Ludovic |
分类号 |
B32B7/12;B32B27/08;B32B27/30;B32B27/32 |
主分类号 |
B32B7/12 |
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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