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    • 8. 发明申请
    • A HOMOGENIZATION ENHANCING THERMOPLASTIC FOAM EXTRUSION SCREW
    • 均质增强热塑性泡沫挤出螺杆
    • WO01010617A1
    • 2001-02-15
    • PCT/US1999/017694
    • 1999-08-04
    • B08B9/00B29B20060101B29B7/42B29B7/46B29B7/48B29B7/82B29C44/34B29C47/38B29C47/60B29C47/64B29C47/78B29C47/82C07D261/12H01L21/203
    • B29C47/60B29B7/42B29C47/0019B29C47/0023B29C47/003B29C47/6043B29C47/6075B29C47/622B29C47/64B29C47/82B29C47/822B29C47/825
    • A foam extrusion assembly (10) having a melt region (20) and a heat extraction region (40) which extracts excess heat from a mixture of melted material pellets and blowing agent. The heat extraction region includes an elongate barrel (50) having an inlet (31) and an outlet (44), the inlet receiving the extrusion mixture for passage into the barrel wherein a heat extraction structure disposed with the barrel draws heat therefrom. An extrusion screw (60) is disposed in the barrel and includes a screw flight (64) structured to rotate within the barrel and urge the extrusion mixture towards the outlet of the barrel where a die (44) is disposed in order to form the finished product. The screw flight (64) includes a circulation channel (90) which receives quantities of the extrusion mixture upon rotation of the extrusion screw, thereby circulating the extrusion mixture towards the barrel for more effective and uniform cooling of the extrusion mixture to an extrudable temperature.
    • 一种泡沫挤出组件(10),其具有从熔融材料颗粒和发泡剂的混合物中提取过量热量的熔体区域(20)和热提取区域(40)。 热提取区域包括具有入口(31)和出口(44)的细长筒(50),入口容纳挤出混合物以通过筒体,其中设置有筒体的散热结构从其中吸取热量。 挤压螺杆(60)设置在筒体中并且包括构造成在筒体内旋转的螺旋螺旋(64),并将挤出混合物推向筒体的出口,在该出口处设置模具(44),以形成成品 产品。 螺旋螺旋(64)包括循环通道(90),该循环通道(90)在挤出螺杆旋转时接收挤出混合物的量,从而使挤出混合物朝向筒体循环,以使挤出混合物更有效且均匀地冷却至可挤压的温度。
    • 9. 发明申请
    • METHODS AND APPARATUS FOR PRODUCING AND TREATING NOVEL ELASTOMER COMPOSITES
    • 用于生产和处理新型弹性体复合材料的方法和装置
    • WO0062990A8
    • 2000-12-21
    • PCT/US0009925
    • 2000-04-13
    • CABOT CORP
    • CHUNG BINGREEN SUSAN WPODOBNIK IVAN ZCIANCIOLO JOSEPH
    • B29B7/00B29B7/46B29B7/72B29B9/00B29B15/04B29K21/00
    • B29B7/002B29B7/007B29B7/46B29B7/465B29B7/60B29B7/72B29B7/7495B29B15/04B29C47/761C08J3/22
    • Elastomer masterbatch is processed in a continuous compounder (100) having multiple parallel elongate rotors (106) axially oriented in an elongate processing chamber (104). Optionally, additional materials are compounded into the masterbatch, e.g., additives (58, 59), other elastomeric compositions, etc. Preferably, the masterbatch then is further processed in an open mill (120). Excellent control of Mooney Viscosity is achieved. In certain preferred embodiments, elastomer composites are produced by novel continuous flow methods and apparatus in which fluid streams of particulate filler (57) and elastomer latex (58) are fed to the mixing zone (14, 50) of a coagulum reactor (48) to form a coagulated mixture in semi-confined flow continuously from the mixing zone (50) through a coagulum zone (52) to a discharge end (68) of the reactor. The particulate filler fluid is fed under high pressure to the mixing zone (50), such as to form a jet stream to entrain elastomer latex fluid sufficiently energetically to substantially completely coagulate the elastomer with the particular filler prior to the discharge end (68) without need of adding acid or salt solution or other coagulation step. The coagulated elastomer and particular filler composite is fed into the aforesaid continuous compounder (100) for processing and control of its moisture level and Mooney Viscosity.
    • 弹性体母料在具有在细长处理室(104)中轴向取向的多个平行细长转子(106)的连续混合器(100)中进行加工。 任选地,将另外的材料混合到母料中,例如添加剂(58,59),其它弹性体组合物等。优选地,母料在开式研磨机(120)中进一步加工。 实现门尼粘度的良好控制。 在某些优选实施方案中,通过新颖的连续流动方法和装置制备弹性体复合材料,其中将颗粒填料(57)和弹性体胶乳(58)的流体流进料到凝结物反应器(48)的混合区(14,50) 以从混合区(50)连续地通过凝结区(52)到反应器的排放端(68)形成半封闭流的凝固混合物。 颗粒状填充液在高压下进料到混合区(50),例如形成喷射流,以充分力量地夹带弹性体胶乳流体,以在排出端(68)之前用特定填料基本上完全凝固弹性体,而没有 需要加入酸或盐溶液或其他凝结步骤。 将凝固的弹性体和特定的填料复合物进料到上述连续混合器(100)中,以加工和控制其水分含量和门尼粘度。