One-step forming and blistering process for the bottom plate of a refrigerator compressor box
A refrigerator compressor and box body technology, which is applied to other household appliances, household components, household appliances and other directions, can solve the problems of complex processing technology, leakage of bubbles at the edge of the gap, high mold cost, etc., and achieves simple preparation technology and impact resistance performance. Stable, hot melt stability effect
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Embodiment 1
[0018] A one-time molding and blistering process for the bottom plate of a refrigerator compressor box, comprising the following steps:
[0019] (1) The flame retardant material is mixed and extruded by a screw extruder to obtain a hard sheet; the extrusion speed of the sheet in the screw extruder is 0.1-0.2 m / min;
[0020] (2) Heat the plastic sheet to 55°C through a heating box, cool the sheet to 10°C with nitrogen after holding the heat for 2 minutes, and then spray atomized ethanol on the surface of the sheet to make the surface humidity of the sheet uniform;
[0021] (3) The sheet is heated to 55°C again, and then the sheet is blistered to obtain the bottom plate of the refrigerator compressor box.
[0022] The flame retardant material includes the following components, and the weight percentages of each component are as follows: PVC resin 74%, C-PVC resin 12%, kaolin 4%, modified ACR 2%, dioctyl phthalate 1%, talcum powder 1% , heat stabilizer 1%, auxiliary agent 4%, mo...
Embodiment 2
[0024] A one-time molding and blistering process for the bottom plate of a refrigerator compressor box, comprising the following steps:
[0025] (1) The flame retardant material is mixed and extruded by a screw extruder to obtain a hard sheet; the extrusion speed of the sheet in the screw extruder is 0.1-0.2 m / min;
[0026] (2) Heat the plastic sheet to 55°C through a heating box, cool the sheet to 10°C with nitrogen after holding the heat for 2 minutes, and then spray atomized ethanol on the surface of the sheet to make the surface humidity of the sheet uniform;
[0027] (3) The sheet is heated to 55°C again, and then the sheet is blistered to obtain the bottom plate of the refrigerator compressor box.
[0028] The flame retardant material includes the following components, and the weight percentages of each component are as follows: PVC resin 72%, C-PVC resin 10%, kaolin 7%, modified ACR 1%, dioctyl phthalate 2%, talcum powder 2% , heat stabilizer 2%, additives 3%, modified...
Embodiment 3
[0030] A one-time molding and blistering process for the bottom plate of a refrigerator compressor box, comprising the following steps:
[0031] (1) The flame retardant material is mixed and extruded by a screw extruder to obtain a hard sheet; the extrusion speed of the sheet in the screw extruder is 0.1-0.2 m / min;
[0032] (2) Heat the plastic sheet to 55°C through a heating box, cool the sheet to 10°C with nitrogen after holding the heat for 2 minutes, and then spray atomized ethanol on the surface of the sheet to make the surface humidity of the sheet uniform;
[0033] (3) The sheet is heated to 55°C again, and then the sheet is blistered to obtain the bottom plate of the refrigerator compressor box.
[0034] The flame retardant material includes the following components, and the weight percentages of each component are as follows: PVC resin 76%, C-PVC resin 14%, kaolin 2%, modified ACR 1%, dioctyl phthalate 1%, talcum powder 1% , heat stabilizer 1%, auxiliary agent 3%, mo...
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