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Vented extruder for venting polymer material and method for venting a syrup of polymer, solvent and / or monomer using a vented extruder
Vented extruder for venting polymer material and method for venting a syrup of polymer, solvent and / or monomer using a vented extruder
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机译:用于排出聚合物材料的排出挤出机以及使用排出挤出机排出聚合物,溶剂和/或单体浆液的方法
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摘要
The invention relates to a vented extruder (1) for the devolatilization of a polymer material, encompassing at least one extruder barrel (2) with at least one rotatably driven extruder screw (3) mounted in the extruder barrel (2), and with at least one material feed and with at least one extrudate outlet, and also with at least one vent zone (9). A particular feature of the vented extruder (1) is that the gas output for the gas arising in the vent zone (9) has been provided upstream of the material feed, in relation to the direction of conveying of the polymer material.
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