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Preparation method for plastic base of refrigerator

A plastic base and refrigerator technology, applied in the field of plastics, can solve the problems of permanent compression deformation resistance, insufficient toughness, complex structure, etc., and achieve the effects of good extrusion processing performance, excellent tear resistance performance, and good vulcanization performance

Inactive Publication Date: 2017-11-24
无为县大江橡塑制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The box structure of the refrigerator is mainly composed of an outer box, an inner tank, a box door, and a heat-insulating foam layer, etc., and the outer box is generally composed of a U shell, a back plate and a refrigerator base, on which key components such as a compressor are fixed. , the structure is more complex
The bottom of the refrigerator is generally made of plastic material. It is necessary to install the bottom plate of the press on the plastic base first, and then install the plastic base on the bottom of the refrigerator. The current plastic base has problems of resistance to permanent compression deformation and insufficient toughness, which need to be solved urgently

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A method for preparing a refrigerator plastic base, comprising the steps of:

[0018] S1. Heat up polycarbonate resin, ethylene-vinyl acetate copolymer, and acrylonitrile-butadiene-styrene copolymer to obtain the first material;

[0019] S2, add disproportionated rosin, polyethylene wax plastic refining to the first material, add diatomaceous earth, talcum powder, aluminum hydroxide, calcium sulfate whiskers, silane coupling agent, carbon fiber, acetic anhydride, stearyl alcohol, 1, 1-bis-(tert-amyl peroxy) cyclohexane, accelerator TMTM mastication obtains the second material;

[0020] S3. Heat up the second material and masticate it, thin it out, and release the sheet to obtain the plastic base of the refrigerator.

Embodiment 2

[0022] A method for preparing a refrigerator plastic base, comprising the steps of:

[0023] S1. In parts by weight, 80 parts of polycarbonate resin, 45 parts of ethylene-vinyl acetate copolymer, and 20 parts of acrylonitrile-butadiene-styrene copolymer were masticated at 130°C for 10 minutes to obtain the first material;

[0024] S2. Add 2 parts of disproportionated rosin and 4 parts of polyethylene wax to 105 parts of the first material by weight and masticate for 10 minutes, add 80 parts of diatomaceous earth, 8 parts of talcum powder, 30 parts of aluminum hydroxide, and 15 parts of calcium sulfate crystals Whiskers, 2 parts of silane coupling agent, 3 parts of carbon fiber, 12 parts of acetic anhydride, 4 parts of stearyl alcohol, 5 parts of 1,1-bis-(tert-amyl peroxy) cyclohexane, 2 parts of accelerator TMTM mastication 8min, obtain the second material;

[0025] S3. Raise the temperature of the second material to 130° C. for 8 minutes and masticate it for 8 minutes, thin ...

Embodiment 3

[0027] A method for preparing a refrigerator plastic base, comprising the steps of:

[0028] S1. In parts by weight, 100 parts of polycarbonate resin, 35 parts of ethylene-vinyl acetate copolymer, and 40 parts of acrylonitrile-butadiene-styrene copolymer were masticated at 120°C for 18 minutes to obtain the first material;

[0029] S2. Add 4 parts of disproportionated rosin and 2 parts of polyethylene wax to 95 parts of the first material by weight and masticate for 16 minutes, add 60 parts of diatomaceous earth, 16 parts of talcum powder, 20 parts of aluminum hydroxide, and 25 parts of calcium sulfate crystals Whiskers, 1 part of silane coupling agent, 7 parts of carbon fiber, 6 parts of acetic anhydride, 8 parts of stearyl alcohol, 3 parts of 1,1-bis-(tert-amylperoxy) cyclohexane, 4 parts of accelerator TMTM mastication 2min, obtain the second material;

[0030] S3. Raise the temperature of the second material to 140° C. for 4 minutes and masticate it for 4 minutes, pass th...

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PUM

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Abstract

The invention discloses a preparation method for a plastic base of a refrigerator. The preparation method comprises the following steps: heating and plasticizing polycarbonate, an ethylene-vinyl acetate copolymer and an acrylonitrile-butadiene-styrene copolymer so as to obtain a first material; adding disproportionated rosin and polyethylene wax into the first material, carrying out plasticization, adding diatomite, talcum powder, aluminum hydroxide, calcium sulfate whiskers, a silane coupling agent, carbon fibers, acetic anhydride, stearyl alcohol, 1,1-bis-(tert-amylperoxy)cyclohexane and an accelerator TMTM and carrying out plasticization so as to obtain a second material; and subjecting the second material to heating and plasticizing, thin-passing, and sheet production successively so as to obtain the plastic base of the refrigerator. The plastic base of the refrigerator prepared in the invention has good resistance to permanent compression deformation, good toughness and excellent resistance to impact and tearing, reduces the damage of the refrigerator to floors, and can ensure safe use of the refrigerator for at least 20 years.

Description

technical field [0001] The invention relates to the technical field of plastics, in particular to a method for preparing a refrigerator plastic base. Background technique [0002] Because the refrigerator has remarkable food preservation and cold storage functions, it has entered the lives of millions of households as a commonly used household appliance. The box structure of the refrigerator is mainly composed of an outer box, an inner liner, a box door, and a heat-insulating foam layer, etc., and the outer box is generally composed of a U shell, a back panel and a refrigerator base, and the compressor and other key components are fixed on the refrigerator base , the structure is more complex. The bottom of the refrigerator is generally made of plastic material. It is necessary to install the bottom plate of the press on the plastic base first, and then install the plastic base on the bottom of the refrigerator. The current plastic base has problems of resistance to permane...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L69/00C08L23/08C08L55/02C08L93/04C08K13/04C08K3/34C08K3/22C08K7/08C08K7/06
CPCC08L69/00C08K2003/2227C08K2201/014C08L2205/035C08L23/0853C08L55/02C08L93/04C08K13/04C08K3/34C08K3/22C08K7/08C08K7/06
Inventor 沙文军
Owner 无为县大江橡塑制品有限公司
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