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    • 10. 发明授权
    • High-shear melt-kneader and method of high shearing
    • 高剪切熔融捏合机和高剪切方法
    • US09199393B2
    • 2015-12-01
    • US13147925
    • 2010-02-02
    • Hiroshi ShimizuYongjin LiYukio YoshizawaTakayuki TakahashiKen-ichi Toyoshima
    • Hiroshi ShimizuYongjin LiYukio YoshizawaTakayuki TakahashiKen-ichi Toyoshima
    • B29B7/28B29B7/14B29B7/88
    • B29B7/28B29B7/14B29B7/88
    • A high-shear melt-kneader includes a high-shear unit (20) having an internal feedback-type screw (23) configured to apply high-shear stress to a melted resin, resin pressure sensors (33) for configured to detect a front portion resin pressure in the vicinity of an inlet of the internal feedback-type screw and a rear portion resin pressure in the vicinity of an outlet, and a control device configured to appropriately control a material supplying amount, a material temperature, a kneading time, and a screw rotation speed according to pressure values detected by the sensors. The control device controls the conditions such that waveforms with the lapse of time of the front and rear portion resin pressures are similar to each other and show variation to a steady state after formation of a predetermined peak value, and the front and rear portion resin pressures form a predetermined pressure difference with the lapse of time. According to the high-shear melt-kneader, it is possible to improve high-shear efficiency, increase precision of nano dispersion of a material, and stably and finely disperse/mix internal structures of immiscible polymer blend-based, polymer/filler-based and polymer blend/filler-based materials to a nano level.
    • 高剪切熔融捏合机包括具有内部反馈型螺杆(23)的高剪切单元(20),该内部反馈型螺杆(23)被配置为向熔融树脂施加高剪切应力;树脂压力传感器(33),用于检测前端 在内反馈型螺杆的入口附近的部分树脂压力和出口附近的后部树脂压力,以及控制装置,其被配置为适当地控制材料供给量,材料温度,混炼时间, 以及根据由传感器检测的压力值的螺杆转速。 控制装置控制使得前后树脂压力经过时间的波形彼此相似的条件,并且在形成预定峰值之后显示到稳定状态的变化,并且前部和后部树脂压力 随着时间的流逝形成预定的压力差。 根据高剪切熔融捏合机,可以提高高剪切效率,提高材料的纳米分散体的精度,并且可以稳定和细分散/混合不混溶聚合物共混物,基于聚合物/填料的内部结构 和聚合物共混物/填料基材料达到纳米级。