Abstract

The two-component injection moulding method allows the production of parts consisting of two components which are arranged next to or above each other (overmoulding). Besides well known combinations between thermoplastics and thermoplastic elastomers (TPE) which are used in various applications, the combination of Liquid-Silicone-Rubbers (LSR) and thermoplastics becomes more important because of their better mechanical and thermomechanical properties as well as the chemical resistance in comparison with TPE. These combinations of LSR and Polyamid can be a new alternative for combinations made of rubber and metal, which often require a costly preparatory treatment. Concerning the adhesive strength of these combinations, which depends on the properties of the materials, the process parameters in the moulding process and the mould technique, there is only insufficient knowledge. To solve this, the IKV developed techniques to meet the requirements. Results of the investigations in this context will be presented.

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