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Composite alloy plate and preparation method thereof

A composite alloy and alloy material technology, applied in the field of materials, can solve problems such as the inability to use a new multi-component foaming system, and achieve the effects of reducing the risk of cracking, improving the performance of foaming agent corrosion resistance, and good compatibility

Inactive Publication Date: 2013-11-27
HEFEI MIDEA REFRIGERATOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of board has the following disadvantages: it can only be used in the cyclopentane foaming system, and cannot be used in the new multi-component foaming system

Method used

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  • Composite alloy plate and preparation method thereof
  • Composite alloy plate and preparation method thereof
  • Composite alloy plate and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] 1), according to figure 2 The process flow diagram shown prepares composite alloy door panels for double-layer co-extruded refrigerator / freezer linings. Firstly, the Chevron HIPS-D6007+ color masterbatch for extrusion-grade refrigerators is mixed evenly, and then mixed with PE / PS alloy material through a metering pump to adjust the addition of the two phases, and the semi-finished alloy plate is obtained by co-extrusion with an extruder.

[0042] 2) Temperature control at each stage: ② refers to the alloy plate forming area, and the temperature is controlled at 150-240°C; ③ refers to the extruder die, and the temperature of the head is generally controlled at 190-240°C; ④ Cooling roller desktop output device The temperature is controlled at 60-100°C, ⑤ refers to the traction roller, which plays the role of traction and forming, ⑥, ⑦ are to cut out the required specifications of the plate according to the requirements;

[0043] 3), the corona parameter is about 4.0×10 ...

Embodiment 2

[0047] 1), according to figure 2 The process flow diagram shown prepares composite alloy boxboard for double-layer co-extruded refrigerator / freezer lining. Firstly, the natural color extrusion-grade refrigerator special Xuestyron HIPS-1175+ color masterbatch is mixed evenly, and then the addition amount of the two phases is adjusted with the PE / PS alloy material through a metering pump, and the semi-finished alloy plate is obtained by co-extrusion with an extruder.

[0048] 2) Temperature control at each stage: ② refers to the alloy plate forming area, and the temperature is controlled at 150-240°C; ③ refers to the extruder die, and the temperature of the head is generally controlled at 190-240°C; ④ Cooling roller desktop output device The temperature is controlled at 60-100°C, ⑤ refers to the traction roller, which plays the role of traction and forming, ⑥, ⑦ are to cut out the required specifications of the plate according to the requirements;

[0049] 3), corona parameter...

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Abstract

The invention provides a composite alloy plate and a preparation method of the composite alloy plate. The composite alloy plate comprises a bottom layer and a surface layer, wherein the surface layer is formed on the outer surface of the bottom layer; the bottom layer is formed by polyethylene / polystyrene (PE / PS) alloy material; the surface layer is formed by high impact polystyrene (HIPS) and color master. The composite alloy plate is suitable for a novel multi-element foaming system.

Description

technical field [0001] The invention relates to the field of materials, in particular, the invention relates to a composite alloy plate and a preparation method thereof. Background technique [0002] The high-gloss or matte HIPS composite board used in refrigerators / freezers in the prior art has a bottom layer of ordinary extrusion-grade refrigerator-specific HIPS, that is, ordinary polystyrene, and the price is relatively low. This board has the following disadvantages: it can only be used in the cyclopentane foaming system, and cannot be used in the new multi-component foaming system. With the improvement of energy consumption requirements and the reduction of production costs, the application of multi-component mixing and foaming technology is gradually promoted in the field of refrigerators / freezers. In the multi-foaming system, the HIPS composite board has a large degree of dark cracks, cracks and cracks. [0003] Therefore, the composite plate for refrigeration equip...

Claims

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Application Information

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IPC IPC(8): B32B15/085B22F7/02B29C47/00
Inventor 石祥祚唐涛曹家汉贾丽任媛媛黄玲
Owner HEFEI MIDEA REFRIGERATOR CO LTD
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