Glue-blocking release film

The invention relates to a glue-blocking release film which comprises an upper release film, a middle core layer and a lower release film which are sequentially arranged from top to bottom, the middle core layer is made of modified PP (polypropylene), LDPE (low density polyethylene) and HDPE (high d...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: YANG TIANZHI, LENG MENGXUE
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention relates to a glue-blocking release film which comprises an upper release film, a middle core layer and a lower release film which are sequentially arranged from top to bottom, the middle core layer is made of modified PP (polypropylene), LDPE (low density polyethylene) and HDPE (high density polyethylene); according to the weight percentage, the content of the modified PP is 15.0%-35.0%, the content of the LDPE is 45.0%-70.0%, and the content of the HDPE is 10.0%-30.0%. The glue-blocking release film has the advantages of high temperature resistance, good glue-blocking performance and the like. 本发明涉及一种阻胶离型膜,包括从上到下依次设置的上层离型膜、中间芯层和下层离型膜;所述中间芯层的材料包括改性PP、LDPE和HDPE;按照重量百分比,所述改性PP为15.0~35.0%,所述LDPE为45.0~70.0%,所述HDPE为10.0~30.0%。本发明阻胶离型膜具有耐高温和阻胶性能好等优点。