Method for preparing foam metal through resin microsphere stacking

A technology of foamed metal and resin microspheres is applied in the field of foamed metal preparation, which can solve the problems of complicated operation, slow deposition speed, difficult to master, etc., and achieves the effect of simplifying the technological process, simple and easy operation, and not easy to plastic deformation.

Active Publication Date: 2018-01-09
钱陈
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Generally speaking, the porosity of metal foam prepared by electrodeposition is high and very uniform, but the process is long, the operation is cumbersome, and the cost is slightly high; the metal foam prepared by chemical decomposition has the problem of sealing pores and residual carbon for nickel foam. Problems: The operating conditions for preparing metal foam by vacuum vapor deposition are strict; the deposition speed is slow, the investment is large, and the producti

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0029] Example 1

[0030] A method for preparing foamed metal by stacking resin microspheres. The specific process for preparing foamed metal copper is as follows:

[0031] Make 10kg ethanol and 10kg water into a mixed solvent, then dissolve 2kg methyl methacrylate monomer, 0.3kg polyvinylpyrrolidone, 0.03kg azobisisobutyronitrile in the mixed solvent, add a stirrer, reflux condenser and In the reactor of the aeration system, air is blown in while stirring, so that the gas generates uniform and stable bubbles in the reaction system, and the temperature is raised to 70°C for polymerization reaction. After completion of the reaction for 5 hours, it was separated by centrifugal sedimentation, washed several times with absolute ethanol, and dried under vacuum at 55°C for 22 hours to obtain hollow PMMA microspheres; take the foaming mold, transport the PMMA microspheres into the foaming mold through airflow, and Keep the airflow impacted for 3 minutes, then stop the air flow, and let t...

Example Embodiment

[0034] Example 2

[0035] A method for preparing foamed metal by stacking resin microspheres. The specific process for preparing foamed metal copper is as follows:

[0036] Make 10kg ethanol and 10kg water into a mixed solvent, then dissolve 2kg methyl methacrylate monomer, 0.3kg polyvinylpyrrolidone, 0.03kg azobisisobutyronitrile in the mixed solvent, add a stirrer, reflux condenser and In the reactor of the aeration system, air is introduced while stirring, so that the gas generates uniform and stable bubbles in the reaction system, and the temperature is raised to 70°C for polymerization. After completion of the reaction for 5 hours, it was separated by centrifugal sedimentation, washed several times with absolute ethanol, and dried under vacuum at 55°C for 22 hours to obtain hollow PMMA microspheres; take the foaming mold, transport the PMMA microspheres into the foaming mold through airflow, and Keep the airflow impacted for 2 minutes, then stop the air flow, and let the mold...

Example Embodiment

[0039] Example 3

[0040] A method for preparing foamed metal by stacking resin microspheres. The specific process for preparing foamed metal copper is as follows:

[0041] Make 10kg ethanol and 10kg water into a mixed solvent, then dissolve 2kg methyl methacrylate monomer, 0.3kg polyvinylpyrrolidone, 0.03kg azobisisobutyronitrile in the mixed solvent, add a stirrer, reflux condenser and In the reactor of the aeration system, air is introduced while stirring, so that the gas generates uniform and stable bubbles in the reaction system, and the temperature is raised to 70°C for polymerization. After completion of the reaction for 5 hours, centrifugal sedimentation and separation, and washing with absolute ethanol several times, vacuum drying at 55 ℃ for 22 hours to obtain hollow PMMA microspheres; take the foaming mold, transport the PMMA microspheres into the foaming mold through airflow, and Keep the airflow impact for 3 minutes, then stop the air flow, and let the mold stand for ...

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Abstract

The invention belongs to the technical field of foam metal material preparing and provides a method for preparing foam metal through resin microsphere stacking. The method includes the steps that firstly, hollow PMMA glass microspheres are prepared and then are stacked, then metal powder and water are mixed and stirred to prepare metal pulp, then the metal pulp flows into the stacking clearance formed by the hollow microspheres and fill the stacking clearance, and porous foam metal is obtained after drying and sintering curing. Compared with a traditional method, the technological process is simplified in the adopted method, the production cost is reduced, meanwhile, the foam hole size, the porosity, the volume weight and the like of the foam metal are effectively controlled, the compression resistance capability of the obtained product is high, plastic deformation is not likely to happen when the product is compressed, the use performance is good, energy conservation and environment friendliness are achieved in the whole preparing process, and the method can be widely applied.

Description

technical field [0001] The invention belongs to the technical field of foam metal preparation and provides a method for preparing foam metal by stacking resin microspheres. Background technique [0002] Porous metal foam material is actually a composite material of metal and gas. It is because of this special structure that it has both the characteristics of metal and the characteristics of bubbles, such as small specific gravity, large specific surface, good energy absorption, and thermal conductivity. Low (closed-cell body), high heat transfer and heat dissipation capacity (through-hole body), good sound absorption (through-hole body), excellent permeability (through-hole body), good electromagnetic wave absorption (through-hole body), flame resistance, Heat and fire resistance, thermal shock resistance, gas sensitivity (some porous metals are very sensitive to certain gases), regeneration, good processability, etc. If breakthroughs are made in key technologies such as pr...

Claims

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Application Information

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IPC IPC(8): B22F3/11
Inventor 陈庆昝航
Owner 钱陈
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