Sealing energy absorption structure and packaging box body with same

An energy-absorbing structure and integrated technology, applied in the field of chemical plating process, can solve the problems of poor sealing performance, low rigidity and heavy weight of molded products.

Active Publication Date: 2022-03-25
北京航天天美科技有限公司 +1
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  • Claims
  • Application Information

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Problems solved by technology

[0003] There are two kinds of existing packaging box production methods: one is the relatively mature hand lay-up molding process (that is, wet method), and the other is the vacuum-assisted molding process (that is, dry method), wet metho

Method used

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Examples

Experimental program
Comparison scheme
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Example Embodiment

[0035] Example:

[0036] The main structure of the box body is divided into outer skin (carbon fiber atmospheric pressure sealing layer), foam interlayer, metal skeleton, inner skin (carbon fiber vacuum structure layer assisted pressurization). The surface of the foam interlayer is prepared by an electroless plating process to prepare a composite coating.

[0037] Foam sandwich chemical plating method:

[0038](1) Degreasing: immerse the foam interlayer in the degreasing solution, ultrasonically clean it in a water bath at 50°C for 10 minutes, and then dry at an ultrasonic frequency of 35KHz;

[0039] The formula of degreasing liquid is: 30g / L sodium carbonate, 25g / L sodium tripolyphosphate, 1ml / L surfactant OP-10;

[0040] (2) roughening: put the foam interlayer matrix after the step degreasing treatment into the roughening solution, carry out the roughening treatment under the heating condition of the water bath for 8min, the treatment temperature is 40 ℃, and after the ro...

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Abstract

The invention relates to a chemical plating process, in particular to a sealing energy absorption structure and a packaging box body with the sealing energy absorption structure. A main body structure of the packaging box body is divided into an outer skin, a foam interlayer, a metal framework and an inner skin, a composite coating is prepared on the surface of the metal framework by adopting a chemical plating process, a composite coating is prepared on the surface of the foam interlayer by adopting a chemical plating process, and the composite structure can generate energy absorption and sealing effects. Ultrasonic vibration is applied in the preparation process, so that the added molybdenum disulfide nanoparticles can be uniformly dispersed in a plating solution, and agglomeration is avoided. When the box body is subjected to impact and external force, surface contact between the metal framework and the foam interlayer is changed into point contact, stress propagation is weakened, and a gap exists between the chemical plating layer on the surface of the metal framework and the chemical plating layer on the surface of the foam interlayer, so that longitudinal propagation of stress waves can be further blocked; in addition, as the protruding molybdenum disulfide particles exist on the surface of the plating layer, the molybdenum disulfide particles have the self-lubricating characteristic, and friction force among the particles is reduced.

Description

technical field [0001] The application relates to an electroless plating process, in particular to preparing a sealed energy-absorbing structure by electroless plating. Background technique [0002] Electroless plating is a new type of surface treatment technology, which has attracted increasing attention because of its simple process, energy saving and environmental protection. Electroless plating has a wide range of applications, uniform coating and good decoration. In terms of protection performance, it can improve the corrosion resistance and service life of the product; in terms of functionality, it can improve the wear resistance, electrical conductivity, lubrication performance and other special functions of the workpiece, so it has become a development of surface treatment technology in the world. [0003] There are two kinds of existing packaging box production methods: one is the relatively mature hand lay-up molding process (that is, wet method), and the other is...

Claims

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Application Information

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IPC IPC(8): C23C18/38C23C18/18
CPCC23C18/38C23C18/1844
Inventor 修建杨立志杨红娜
Owner 北京航天天美科技有限公司
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