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Modular Intermeshing Co-rotating Twin Screw Extruder 내에서 제조된 PC/ABS 블랜드의 물리적, 유변학적 성질
방대석,정우형 금오공과대학교 2006 論文集 Vol.27 No.-
The physical properties and melt behavior of PC/ABS blends may be significantly affected by mixing equipments and processing conditions. In this study, the physical and rheological properties of PC/ABS blends in a modular interrneshing co-rotating twin screw extruder were investigated. PC and ABS were blended by different conditions such as different compositions of PC and ABS, and the several types of screw configurations in a modular interrneshing co-rotating twin screw extruder. After extrusion, the specimens were fabricated by injection molding. Then the physical properties were measured by tensile and Izod-irrpact tests. The melt behavior was observed with the capillary rheometer. Mixing and melting behaviors in the extruder were investigated by the cooling experiment for the different screw configurations.
치합형 역방향회전(Intermeshing Counter-Rotating) 이축스크류식 압출기내의 등온 비뉴토니언 흐름 분석
방대석,홍명혁,정영진 國立金烏工科大學校 産業技術開發硏究院 2002 産業技術開發硏究 Vol.18 No.-
A proper and correct formulation of an isothermal non-Newtonian flow in intermeshing counter-rotating twin screw extruder modules which accounts clearly for the positive pumping displacement mechanism is presented. Screw pumping characteristic curves were determined for various typical elements of the Leistritz modular intermeshing counter-rotating twin screw extruder.