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首页> 外文期刊>Rubber India: Offial Organ of All India Rubber Industries Association >Co-Rotating Twin Screw Extruder -A Unique Continuous Stirred Tank Reactor for Fast Acting Reactive Extrusion
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Co-Rotating Twin Screw Extruder -A Unique Continuous Stirred Tank Reactor for Fast Acting Reactive Extrusion

机译：同向旋转双螺杆挤出机-独特的连续搅拌釜反应器，用于快速反应性挤出

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摘要

Co-Rotating Twin Screw Extruders (CRTSEs) are particularly suitable for compounding process due to the excellent mixing properties, controllable mechanical and heat energy input, accurate feeding technology that allows feeding of all types of materials in solid, liquid or gaseous phase with a self cleaning vessel maintained at required pressure and atmospheric conditions. Steady progress in process capability of the CRTSE has given rise to high throughput rates resulting in economic viability and minimal degradation with respect to other processes. Although CRTSEs are best known for plastics compounding that involves kneading, chemical modifications involving a chemical reaction are also possible on this equipment such as preparation of reactive blends, grafting, partial vulcanization (TPV), chemical modification, and polymerization. Chemical reactions are generally allowed to occur at a rate that provides "end point" control over the process during manufacturing. Fast acting reactions describes a special process in which the entities undergo immediate chemical reaction. CRTSE is a unique continuously stirred tank reactor (CSTR) with multiple conveying pumps and action vessels in series that has the ability for every surface to be constantly wiped clean. This makes the CRTSE ideally suited for fast acting chemical reactions that need greater control over residence time and constant wiping of surfaces to prevent run-away reactions offering advantages of process control and cost.
机译：同向旋转双螺杆挤出机（CRTSE）由于出色的混合性能，可控的机械能和热能输入，精确的进料技术而特别适用于混料工艺，该技术可以自动进料固体，液相或气相的所有类型的物料清洁容器保持在所需的压力和大气条件下。 CRTSE的工艺能力的稳步发展已导致高生产率，从而带来了经济可行性，并且相对于其他工艺而言，降级最小。尽管CRTSE在涉及捏合的塑料配混中最为人所知，但在此设备上还可以进行涉及化学反应的化学改性，例如反应性混合物的制备，接枝，部分硫化（TPV），化学改性和聚合。通常允许以在制造过程中对过程提供“终点”控制的速率发生化学反应。快速反应描述了一种特殊的过程，其中实体立即进行化学反应。 CRTSE是独特的连续搅拌釜式反应器（CSTR），具有串联的多个输送泵和作用容器，能够将每个表面不断擦拭干净。这使得CRTSE非常适用于快速反应的化学反应，该反应需要更好地控制停留时间并不断擦拭表面以防止反应失控，从而提供了过程控制和成本优势。

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