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Extrusion port die for preparing alternate multiple high polymer composite material

A composite material and extrusion port technology, which is applied in the field of polymer material lamination processing, can solve the problems of high design accuracy requirements, leakage of interlayer materials, complex structure design, etc. Maintenance-friendly effect

Active Publication Date: 2007-05-16
SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Extrusion dies for the production and preparation of alternating multi-layer composite polymer materials in the prior art basically adopt a multi-channel structure in layering (that is, one channel controls one layer), and the structural design is complex (the more layers, the more complex) , the design accuracy is high, and problems such as material leakage or interlayer materials are prone to occur during use

Method used

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  • Extrusion port die for preparing alternate multiple high polymer composite material
  • Extrusion port die for preparing alternate multiple high polymer composite material
  • Extrusion port die for preparing alternate multiple high polymer composite material

Examples

Experimental program
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Effect test

Embodiment 1

[0021] The extrusion die for preparing alternating multi-layer polymer composite materials disclosed in this embodiment has an overall structural appearance as shown in Figure 1, including two connectors 3 and 4 fixedly connected to the outlets of extruder extrusion 1 and 2, one A confluence 5 fixedly connected with the connector, and a splitter 6 fixedly connected with the confluence. The flow channel in the connector is gradually transitioned from the cylindrical flow channel of the inlet section to the rectangular flow channel of the outlet section. The structure of the confluence is shown in Figures 2-1, 2-2 and 2-3, and the two inlets 5-1 and 5-2 connected to the rectangular flow channel outlets of the two connectors 3 and 4 are misaligned left and right Setting, that is, the two inlets are neither aligned up and down nor aligned left and right, and the two rectangular runners gradually merge into a rectangular runner 5-3 connected with the splitter. The structure of the...

Embodiment 2

[0023] The extrusion die for preparing alternating multi-layer polymer composite materials disclosed in this example has the same overall structure as that of Example 1, except for the structure of the confluence and the arrangement of the splitter. The structure of the confluence of this embodiment is shown in Figure 3-1, Figure 3-2 and Figure 3-3, and the two inlets 5-1 connected to the outlets of the rectangular flow channels of the two connectors 3 and 4 , 5-2 are aligned left and right, the two rectangular runners gradually merge into a rectangular runner 5-3 connected with the splitter, and the surface of the rectangular runner is perpendicular to the ground. The splitter is arranged vertically to the ground, even if the alternate laminated surfaces of the prepared composite materials are vertical to the ground. This setting method is beneficial to the installation and setting of the extruder.

[0024] The process of preparing alternating multi-layer polymer composite m...

Embodiment 3

[0031] A 1024-layer alternate composite PS / PMMA sheet with uniform thickness was prepared. Assemble the splitter containing 9 stacking units at the outlet of the confluence, set the temperature of the extruder and the mold, and adjust the screw speed of the extruder to reach the same speed after reaching the temperature. After normal operation, it can be connected with the cooling device 7 and the traction device 8 to prepare a 1024-layer alternate composite PS / PMMA sheet with uniform thickness.

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Abstract

The invention relates to a extruding mould used to prepare the macromolecule composite in multilayer structure, wherein it comprises two connectors, one collector, and one laminator; the inlets of connectors are connected to the outlet of extruder, while the inlets are connected to the inlet of extruder; the outlet of collector is connected to the inlet of laminator; the laminator has several laminating units formed by unit modules and unit frames to laminate the fusion; the outlet of last unit is connected to the inlet of next unit; the fusion is diverted, changed and laminated in each unit, to be timed in each unit, while the total layer number can reach 2(n+1) when passing n laminate layers. The invention has simple structure and controllable layer number and thickness.

Description

1. Field of invention [0001] The invention relates to a polymer material lamination process technology, more specifically, relates to an alternate multi-layer extrusion die used for the polymer material lamination process. 2. Background technology [0002] Due to its unique advantages in mechanical properties, barrier properties, electrical conductivity, optical properties, etc., polymer materials prepared by alternating multi-layer composites have a wide range of uses, and more and more people pay attention to them. Therefore, preparation and development have such advantages. Structured polymer composite materials have become a hot topic in the field of polymer materials in the 1960s and 1970s. Many countries have invested a lot of manpower, material and financial resources in research and development, and have achieved some research results. Some of the multi-layer extrusion dies used to produce alternate multi-layer composite polymer materials have applied for patents, su...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C47/12B29C47/06B29C47/56B29C48/30
Inventor 郭少云王明李姜沈佳斌许双喜杜芹
Owner SICHUAN UNIV
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