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Anti-compression packaging box
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An anti-compression, box body technology, applied in packaging, transportation and packaging, household refrigeration devices, etc., can solve the problems of insufficient anti-compression strength, general antistatic properties, unstable performance, etc., to achieve excellent surface appearance and rigidity, foaming. The effect of uniform and complete pores and stable material properties
Active Publication Date: 2021-06-11
壹物科技股份有限公司
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Problems solved by technology
[0003] The purpose of the present invention is to provide an anti-compression packaging box, which is made of foamed polypropylene EPP material, adopts specific composition and specific production process, and is used to solve the problem of general antistatic performance and compression resistance of the packaging box in the prior art. Insufficient, unstable performance, easy deformation and other problems, the anti-compression packaging box obtained by the present invention has the characteristics of excellent surface appearance, high rigidity, high compressive strength, good antistatic effect, etc., prolonging the service life of the box, and Low cost, easy processing
Method used
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Embodiment 1
[0025] A compression package comprising a casing and a cover, wherein the case has a receiving chamber, the tank cover, covering the cabinet, the cabinet and the tank cover It is made of foam polypropylene EPP material, and the production process of the foam polypropylene EPP material includes the following steps:
[0026] (1) The feeder polypropylene particles and foaming agents are sent to the pressure-containing slot, and the particular piezoelectric process is:
[0027] The first stage: 0.05 MPa of the raw material in the immersed slot is applied, and the press time is 35 minutes;
[0028] The second stage: increase the pressure to 0.3 MPa after the end of the first press, press 180 minutes;
[0029] The third stage: reducing the pressure to 0.2 MPa after the second pressed material is completed, suppressed 100 minutes;
[0030] The fourth stage: reducing the pressure to 0.1 MPa after the end of the third press material, suppressed 60 minutes;
[0031] (2) After the raw materi...
Embodiment 2
[0042]A compression package comprising a casing and a cover, wherein the case has a receiving chamber, the tank cover, covering the cabinet, the cabinet and the tank cover It is made of foam polypropylene EPP material, and the production process of the foam polypropylene EPP material includes the following steps:
[0043] (1) The feeder polypropylene particles and foaming agents are sent to the pressure-containing slot, and the particular piezoelectric process is:
[0044] The first stage: 0.1 MPa is applied to the raw material in the immersed slot, and the suppression time is 45 minutes;
[0045] The second stage: increase the pressure to 0.4 MPa after the end of the first press, press 200 minutes;
[0046] The third stage: reducing pressure to 0.25 MPa after the second press is completed, suppressed 120 minutes;
[0047] The fourth stage: reducing the pressure to 0.15 MPa after the end of the third press material is completed, 20 minutes;
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Abstract
The invention provides an anti-compression packaging box. The packaging box comprises a box body and a box cover, and the box body and the box cover are both made of specific foamed polypropylene (EPP) materials. Polypropylene particles with specific components and a foaming agent are fed into a pressure impregnation tank, the foaming agent and polypropylene are fully mixed by adopting a specific material pressing process of four stages of pressurization, pressure boost, pressure relief and pressure maintaining, and then raw materials are uniformly heated and expanded through vertical steam scouring and transverse steam penetration, so that the melt strength is high, and a formed foam network is continuous; and due to the fact that the packaging box is made of the materials, the anti-compression and anti-falling performance of the box is improved, the mechanical strength is high, the service life of the box is prolonged, cost is low, and machining is easy.
Description
Technical field [0001] The present invention relates to the technical field of logistics transport packaging apparatus, and in particular, a compression packing chamber is specifically involved. Background technique [0002] After processing and production, existing products are usually taken, packaging. For high-tech electronic products, it is necessary to pack, and also requires the hardness of the foamed products to prevent the effects of electrostatic on the performance of high-tech electronic products, and can avoid external impact on high-tech Destruction of electronic products. At present, in the field of packaging, it is mainly composed of foamed polystyrene, foamed polyurethane, foamed polyethylene, but foamed polystyrene, foamed polyurethane will produce severe pollution, foaming in the environment during use. Polyurethane presents isocyanate residues detrimental to the human body during the foaming process, and cannot be repeatedly recovered, and the foamed polystyrene...
Claims
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Application Information
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