Nano-montmorillonite and PET mixture forming system

A nano-montmorillonite and compound technology, which is applied in the field of polymer blend screw-type compound molding system, can solve the problems of complex process, extensive supporting equipment, high cost, etc., achieve uniform color, low manufacturing cost, significant effect

Active Publication Date: 2015-02-11
GUANGZHOU XUNZHI MACHINERY
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AI Technical Summary

Problems solved by technology

[0004] Existing nano-PET resin preforms must first be compounded and extruded by a screw extruder, granulated, dried, crystallized, and then injected by an injection molding machine, which involves a wide range of supporting equipment and complex processes.
Expensive

Method used

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  • Nano-montmorillonite and PET mixture forming system
  • Nano-montmorillonite and PET mixture forming system
  • Nano-montmorillonite and PET mixture forming system

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Embodiment Construction

[0031] Such as figure 1 Shown, a kind of nanometer montmorillonite and PET mixture forming system, it is mainly made of frame 4, mixing extrusion device 1, alternate feeding device 3 and two injection devices 2, described mixing extrusion device 1 And two injection devices 2 are located on the frame 4.

[0032] Such as figure 2 , 3 , 4, the alternate feeding control device 3 is mainly composed of a valve body 4, two columnar spools 5, and two oil cylinders 6, and the valve body 4 is provided with two A material injection channel 7 connected to the discharge end, and two feed channels 8 are also arranged in the valve body 4, and one end of the two feed channels 8 communicates with the discharge end of the mixing extrusion device 1 at the same time, and the other One end is respectively connected with two injection channels 7, and two columnar spools 5 for mixing materials are respectively arranged in the valve body 4, and are located at the junction of the feed channel 8 an...

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Abstract

The invention discloses a nano-montmorillonite and PET mixture forming system. The system is mainly composed of a rack, a mixture extruding device, an alternative feeding device and two injection devices, wherein the mixture extruding device and the two injection devices are arranged on the rack, and the alternative feeding control device is mainly composed of a valve body, two cylindrical valve elements and two oil cylinders; the two oil cylinders drive the two cylindrical valve elements to move, respectively, one of the cylindrical valve elements is used for communicating the mixture extruding device with one injection device, and closing a material injection channel communicated with the injection device, and meanwhile, the other cylindrical valve element is used for closing a channel between the mixture extruding device and the other injection device, and opening the material injection channel communicated with the injection device. The extruder and the injectors are organically integrated by the system disclosed by the invention, and an NPET pelletizing process is omitted; the system has the characteristics of simple structure, low manufacturing cost and obvious effect.

Description

technical field [0001] The invention relates to a polymer blend screw type mixture forming system, in particular to a nano-montmorillonite and PET mixture forming system. Background technique [0002] At present, the PET beer and carbonated beverages in the domestic market mostly use the technology of sticking film inside the bottle, or coating the inner surface of the bottle, and there is also a three-layer (multi-layer) co-injection composite preform. In addition, silicon oxide coating is used to improve the barrier properties of bottles. Specifically, PET beer bottles and fruit juice beverage packaging bottles are mainly internally coated, externally coated and multi-layer bottle methods. Due to the complicated process and poor quality stability, it is extremely difficult to promote. The traditional equipment involved is expensive and the manufacturing process is complicated, so it is difficult to inject ideal NPET preforms. [0003] Nano-PET preforms have barrier prope...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C69/02B29C47/40B29C47/60B29C45/53
Inventor 马继芳宁文斌易梦茹陈美芳
Owner GUANGZHOU XUNZHI MACHINERY
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