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Experimental Study of Integration and Polyblends Performance for Improved Mixing-Extruding Machine
Pages: 453-457
Year: Issue:  4
Journal: Journal of Donghua University(English Edition)

Keyword:  mixing-extruding machineconical twin-screwmathematical modelpressure of floating weightcooling temperature of extruder;
Abstract: One improved mixing-extruding machine was introduced as the second-generation product of the mixing-molding integrated technology. In the extruding system,the conventional single screw extruder was substituted by a special conical twin-screw extruder,resulting in stronger feeding ability,more stable extrusion pressure,and better quality of products. The integrated mathematical model of mixing-extruding process was also established by theoretical derivation and optimization according to the experimental results.Then its accuracy was verified by the influences of the pressure of floating weight and the cooling water temperature of extruder on the mixing-extruding integrated process. The results showed that the changes of both parameters could give rise to the fluctuation of the temperature and apparent viscosity of polyblends, thus further influencing the screw rotation speed.
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