发明名称 |
IMPROVED PROCESS FOR THE MANUFACTURE OF THERMOPLASTIC SHRINK FILMS |
摘要 |
<p>A process for the production of mono- and multi-layer polymer shrink-films, wherein the composition does not include polymer cross-linking enhancers. A photoinitiator is added to a polymeric composition of which at least one layer is made, and the material is illuminated, after extrusion but before orientation, with ultraviolet radiation, to induce cross-linking within the layer or layers of the film. The amount of the photoinitiator, and the intensity and duration of the illumination are determined to provide a degree of cross-linking sufficient to create a desired change in the physical properties of the film.</p> |
申请公布号 |
EP1355976(A1) |
申请公布日期 |
2003.10.29 |
申请号 |
EP20010972422 |
申请日期 |
2001.09.10 |
申请人 |
SYFAN SAAD (99) LTD. |
发明人 |
BOBOVITCH, ARTHUR;SARID, ISRAEL;LEVENE, SIMHA;GORELIK, BORIS |
分类号 |
B29C35/08;B29C55/02;B29C55/28;B32B27/08;C08J5/18;(IPC1-7):C08J5/18;B29C59/16;C08J3/28;B32B27/32 |
主分类号 |
B29C35/08 |
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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