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    • 3. 发明申请
    • APPARATUS, PROCESS, AND EXTRUSION SCREW FOR PRODUCING SYNDET SOAPS
    • WO2022137204A1
    • 2022-06-30
    • PCT/IB2021/062278
    • 2021-12-23
    • SOAPWORKS LIMITED
    • NORIEGA ESCOBAR, María del PilarGRUENSCHLOSS, Eberhard
    • B29C48/53B29C48/535B29C48/615B29C48/625C11D13/18B29C48/06
    • The present disclosure is related to apparatuses, processes, and extrusion screws directed to process solid detergent compositions in shapes like billets, bars, tablets, noodles, and similar shapes produced from extruded synthetic detergents, soaps, and combinations thereof. The present disclosure describes an extrusion screw for processing synthetic detergents, soaps, and combinations thereof. The extrusion screw comprises a feed section, a metering section, and a compression section. Said compression section has a proximal channel depth adjacent to the feed section, and a distal channel depth adjacent to the metering section, and a compression ratio that may be between 2.2, and 4.1, for example, between 2.2, and 2.6. The extrusion screw may have a length to diameter ratio (L/D) that may be between 4.0, and 6.0. The present disclosure also describes an apparatus for processing synthetic detergents, soaps, and combinations thereof. The apparatus comprises a barrel and said extrusion screw. The present disclosure also describes a process for extruding solid synthetic detergents, soaps, and combinations thereof. The process comprises a step of providing a formulation that may be selected from synthetic detergent, and half-synthetic soap to said apparatus, and compressing said formulation at a temperature between 32 °C, and 42 °C with a compression section of the extrusion screw. The screw rotation speed of the extrusion screw may be between 4, and 20 RPM. The formulation may be provided prewarmed. The screw rotation speed of the extrusion screw may be between 4, and 35 RPM (e.g., between 4 and 20RPM).