公开(公告)号：WO2013133453A1

公开(公告)日：2013-09-12

申请号：PCT/JP2013/057319

申请日：2013-03-08

Applicant: FURUKAWA ELECTRIC CO., LTD.

Inventor： MAROSFOI, Botond ,  POMLENYI, Peter ,  GOMBOS, Akos ,  INAMORI, Kojiro ,  OKITA, Yutaka

IPC: B29C47/10 ,  B29C47/60

CPC classification number: B29C47/1081 ,  B29C44/3446 ,  B29C44/3449 ,  B29C47/0042 ,  B29C47/1063 ,  B29C47/1072 ,  B29C47/109 ,  B29C47/38 ,  B29C47/385 ,  B29C47/6006 ,  B29C47/6075 ,  B29C47/62 ,  B29C47/667 ,  B29C47/702 ,  B29C47/705 ,  B29C47/92 ,  B29C2947/926 ,  B29C2947/92971

Abstract: The invention discloses an apparatus for producing microcellular foams, the apparatus having an extruder cylinder (1) having an extruder screw (2) therein provided with a spiral flight (2b) and running around a core (2c), and a feeder unit (8) suitable for feeding a polymeric base material and connected to an inlet (8a) formed on the cylinder (1) and communicating with an inner space (5) delimited by the cylinder (1) and the extruder screw (2), an extrusion outlet (8b) being formed on the cylinder (1), and the apparatus further comprising means for feeding a foaming agent into the inner space (5) and means for rotating the screw (2), in which the essence of the invention is that the means for feeding foaming agent is at least one nozzle (3a) connected to a bore hole (3), a nozzle orifice (3aa) of which, opening into the inner space (5), is situated between a surface (2c1) of the core (2c) and an inner surface (1a) of the cylinder (1) in such a way that the distance between the nozzle orifice (3aa) and the surface (2c1) is greater than 0.

Abstract translation: 本发明公开了一种用于生产微孔泡沫的装置，该装置具有挤出机筒体（1），其中具有螺旋形飞行（2b）的挤出机螺杆（2）并围绕芯部（2c）运行;以及馈送单元 ），其适于馈送聚合物基材并连接到形成在气缸（1）上的入口（8a）并与由气缸（1）和挤出机螺杆（2）限定的内部空间（5）连通，挤出出口 （8b）形成在所述气缸（1）上，并且所述设备还包括用于将发泡剂供给到所述内部空间（5）中的装置和用于旋转所述螺钉（2）的装置，其中本发明的本质是 用于进料发泡剂的装置是连接到钻孔（3）的至少一个喷嘴（3a），其中通向所述内部空间（5）的喷嘴孔口（3aa）位于所述喷嘴孔的表面（2c1）之间， 芯体（2c）和气缸（1）的内表面（1a）之间的距离，使得喷嘴 （3aa）和表面（2c1）大于0。