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Silicone Adhesives and Primers on Low Surface Energy Plastics and High Strength Metals for Medical Devices Publisher: NuSil Technology LLC Overview: The ability of silicone adhesives, with the aid of primers, flame treatment, or plasma treatment to adhere to low surface energy plastics and to high strength metals for applications in medical devices is demonstrated in this paper. Typical surface energy dyne levels of various substrates are presented in the form of a table. Paper also illustrates the polycarbonate, polyetherimide, polyamide, polyurethane, acrylic, polysulphone, and polyimide structures and analyzes the applications of silicone adhesives on these substrates. Besides illustrations of various medical devices, the paper also describes the use of silicone adhesives in their design. Report analyzes adhesion properties of different primers and also emphasizes on the benefits of treating substrates with primers before using silicone adhesives for enabling better adhesion. Parameters used for testing the primer/adhesive system on various substrates are detailed and the results of the adhesion tests are provided as tabular data and graphical representations. View Company Profile View Company News View Adhesives & Sealants Suppliers View Adhesives & Sealants Guides Format: PDF Date: 2004-06-24 View all NuSil Technology LLC White Papers TABLE OF CONTENTS 1. Introduction 2 2. Substrates 2-6 3. Materials 6-9 3.1 Primers 6-8 3.2 Treatment 8 3.3 Adhesive 8-9 4. Testing Parameters 9-11 5. Results 11-12 6. Conclusion 13 7. References 13-14 8. Figures 8.1 Polycarbonate Structure 3 8.2 Reservoir sealing 3 8.3 Polyetherimide Structure 3-4 8.4 Polyamide Structure (Nylon 6/6) 4 8.5 Generic Pacemaker and lead 4 8.6 Staplers 5 8.7 Polyurethane Structure 5 8.8 Acrylic Blood Pump/Filtering Units 5 8.9 Acrylic Structure 6 8.10 Polysulphone Structure 6 8.11 Polyimide Structure 6 8.12 Platinum Cure Mechanism 9 8.13 Lap joint Diagram 10 9. Charts 9.1 Mean Lap-Shear Results with Primed Results 12 9.2 Mean Lap-Shear Results with Flame Treatment and Plasma Treatment Results 12 9. Tables 9.1 Typical Surface Energy Dyne Levels (9) 2 9.2 MED1-4013 Typical Properties 8 9.3 Table 3 11 9.3.1 Substrate Test Results 11 9.3.2 Substrate Test Results Continued 11

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