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Siliconized papers. Surface properties and performance comparison

: Gerber, Nils; Holländer, Andreas; Klauke, Karina; Köhler, Mathias; Dreyer, Christian

Stuttgart: Fraunhofer Verlag, 2020, 38 S.
ISBN: 978-3-8396-1599-7
Fraunhofer IAP ()
other manufacturing technologies; polymer chemistry; industrial quality control; release liner; silicone; peel force; mechanical analysis; chemical analysis; anti-adhesive coatings; Hersteller von Trennpapieren (Release Linern) Klebstoffen und Silikonen; Chemiker; Physiker; Verfahrensingenieure; Materialwissenschaftler

A wide range of release liners with different characteristics is commercially available and they are used for many applications. The comparison of the properties of the products from various suppliers is rather difficult. This report gives the results of a comparison of release liners obtained from different manufacturers and of different grades. All the analysis and tests were carried out with identical parameters and under identical conditions for all samples in order to compare their properties and relate them to the data sheet values. The chemical composition of the surfaces and their homogeneity found to be very good over a wide range. Peel tests were used to characterize the anti-adhesive properties of the samples. The measurements turned out to be precise and very reproducible. The peel strength data can be related well for release liner with small adhesive forces. For materials with higher adhesive strength the deviations get larger. The transfer of silicone from the release liner to the adhesive tape was found to be detectable but rather small for all samples. Although an influence on the interfacial properties cannot be excluded for all possible applications.