Adhesion of thermoplastic elastomers on polycarbonates for medical wearables

Thermoplastic elastomers (TPEs) and polycarbonates (PCs) offer an interesting combination of rigid and soft materials for housings and interfaces in wearable applications. However, strong adhesion between TPE and PC materials is critical to achieve durable devices that can withstand repeated use. A recent study conducted by Covestro and Teknor Apex, “Adhesion of TPEs on Polycarbonates for Medical Wearables,” examined the adhesion and chemical resistance of medical grade resins that are candidates for wearable applications. In the study, the team evaluated the adhesion of newly introduced TPE grades designed specifically for overmolding on various medical grade PC substrates.

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