In the technical production of moulded parts, the technique of mixing the PUR components by the counterflow process under high pressure is widely used. This process has been the subject of intensive study in respect of both pro cess control and the quality of the resultant mixture. With the aid of model substances, investigations were carried out at the IKV in Aachen on the in fluence of the mixing head geometry, flow controllers and different runner geometries.
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References
1.
Tim, T. "The Current Level of Knowledge About the Physical and Chemical Processes Involved in Thermal and Thermo-Oxidative Stresses on Polyurethane-Elastomers, Part 1", Kautschuk- und Gummikunststoffe35:568-584 (1982).
