Foamed plate processing method and foamed plate
A foamed board and processing method technology, applied in the field of boards, can solve the problems of high thermal conductivity of the inner tank, high production cost, and heavy weight of the inner tank, and achieve the effects of low thermal conductivity, light weight, and reduced energy consumption
Inactive Publication Date: 2017-05-31
HEFEI HUALING CO LTD +2
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Problems solved by technology
In related technologies, the liner material is mainly made of ABS or HIPS, combined by single-layer or multi-layer co-extrusion, but it has disadvantages such as high noise, high thermal conductivity of the liner, heavy weight of the liner, and high production cost.
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[0052] In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.
[0053] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described here. Therefore, the protection scope of the present invention is not limited by the specific details disclosed below. EXAMPLE LIMITATIONS.
[0054] Refer below Figure 1 to Figure 3 The processing method of the foamed board 1 and the foamed board 1 according to some embodiments of the present invention are described.
[0055] Such as f...
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Abstract
The invention provides a foamed plate processing method and a foamed plate. The foamed plate processing method comprises the steps of adding a foaming agent into a first plastic base material, uniformly mixing the foaming agent and the first plastic base material to form a micro-foam material, and drying, heating and extruding the micro-foam material to form a micro-foam layer; drying, heating and extruding a second plastic base material to form a surface layer; drying, heating and extruding a third plastic base material to form a bottom layer; and pressing the surface layer, the micro-foam layer and the bottom layer to form the foamed plate or pressing the surface layer and the micro-foam layer to form the foamed plate. The foaming agent is a powdered foaming agent or a masterbatch foaming agent. According to the foamed plate processing method, the foamed plate manufactured by the method has a relatively low heat conductivity coefficient and good noise reduction effect, the weight of the foamed plate is greatly reduced, the heat preservation effect of the foamed plate is improved, and the energy consumption of using products is reduced.
Description
technical field [0001] The invention relates to the technical field of boards, in particular to a processing method for foamed boards and the foamed boards. Background technique [0002] As a kind of low-temperature storage equipment, refrigerators have been widely used in people's daily life. Among them, the inner tank of the refrigerator is the main device for heat preservation, and its thermal insulation performance mainly depends on the thermal conductivity of the material of the inner tank. How to effectively improve the thermal insulation performance of the inner tank , reduce the thermal conductivity of the inner tank and the weight of the inner tank, and reduce the production cost, which has become a subject of the refrigerator industry. In related technologies, the liner material is mainly ABS or HIPS, combined by single-layer or multi-layer co-extrusion, but it has disadvantages such as high noise, high thermal conductivity of the liner, heavy weight of the liner, ...
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IPC IPC(8): B29C44/06B29C35/02F25D23/08
CPCB29C35/02B29C44/06F25D23/08
Inventor 沈剑霍耀楠白二雷
Owner HEFEI HUALING CO LTD