Multi-Component Molding for Medical Applications: Featuring PC, PC Blends, TPU, and LSR

Multi-component molding is one of the fastest growing trends in injection molding. This technique provides the ability to mold sophisticated end products of two or more materials, while reducing several molding processes to a single molding cycle on one machine. Multi-component technology has tremendous benefits, including high cost savings and quality improvements in parts. Many medical applications already include multi-component techniques and combine thermoplastic urethanes (TPUs) and polycarbonate (PC) or polycarbonate blend (PC/ABS) resins. The objective of this paper is to examine the chemical adhesion between two dissimilar materials by studying the effects of processing on adhesion.

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