Invention Grant
- Patent Title: Biaxially oriented polypropylene film provided with a cold-seal adhesive coating and having excellent lubricating properties
- Patent Title (中): 双轴取向聚丙烯薄膜，具有冷封粘合剂涂层，具有优异的润滑性能
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Application No.: US10552572Application Date: 2004-04-08
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Publication No.: US07678461B2Publication Date: 2010-03-16
- Inventor: Angela Speith-Herfurth , Robert Hansohn
- Applicant: Angela Speith-Herfurth , Robert Hansohn
- Applicant Address: DE
- Assignee: Treofan Germany GmbH & Co. KG
- Current Assignee: Treofan Germany GmbH & Co. KG
- Current Assignee Address: DE
- Agency: Connolly Bove Lodge & Hutz LLP
- Priority: DE10316623 20030411
- International Application: PCT/EP2004/003751 WO 20040408
- International Announcement: WO2004/089621 WO 20041021
- Main IPC: B32B27/08
- IPC: B32B27/08 ; B32B27/18
Abstract:
The invention relates to a multi-layer biaxially oriented polypropylene film consisting of a base layer at least one first cover layer. The base layer contains a hydrocarbon resin, and the cover layer contains a polydialkylsiloxane with a viscosity of at least 200.000 mm2/sec. The first cover layer is provided with a cold-seal adhesive coating on its outer surface.
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