A kind of preparation method of copper-plated foam carbon

A carbon foam and copper plating technology, applied in liquid chemical plating, metal material coating process, coating, etc., can solve the problems of poor mechanical properties and thermal conductivity, and achieve the goal of lowering temperature, reducing cost, and increasing resistance Effect

Active Publication Date: 2019-07-30
TIANJIN POLYTECHNIC UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the defects of poor mechanical properties and thermal conductivity of foamed carbon and the deficiencies in the existing foamed carbon modification technology, the present invention provides a method for electroless copper plating on a foamed carbon substrate. The method modifies the surface of foamed carbon to obtain The surface coating is uniform, the substrate with good bonding force, and the process is simple, the cost is low, and it is easy to realize industrial production

Method used

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  • A kind of preparation method of copper-plated foam carbon
  • A kind of preparation method of copper-plated foam carbon
  • A kind of preparation method of copper-plated foam carbon

Examples

Experimental program
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Effect test

Embodiment 1

[0031] (1) Place a carbon foam matrix of 25.00mm×25.00mm×50.00mm in size by 60g / LNaOH, 20g / LNa 2 CO 3 , 20g / LNa 3 PO 4 In the degreasing liquid composed, the water bath was heated to 55°C, ultrasonically treated for 20min, and washed with water until neutral.

[0032] (2) Oxidize the surface of the foamed carbon, put the foamed carbon after degreasing into nitric acid with a mass fraction of 60%, ultrasonically treat it at room temperature for 10 minutes, wash it with water until neutral; take out the foamed carbon and place it in an oven at 100°C Dry to constant weight and weigh.

[0033] (3) Carry out sensitization treatment to foam carbon, place the foam carbon after nitric acid oxidation by 5%HCl, 20g / LSnCl 2 and a small amount of tin particles, sensitized at room temperature in a vacuum chamber with a vacuum pressure of 0.01-0.1MPa for 20 minutes, then soaked in deionized water for 10 minutes, and washed until neutral.

[0034] (4) Carry out activation treatment to f...

Embodiment 2

[0037] The difference between this implementation case and Case 1 is that after the plating solution has gone through 3 cycles in step (5), the foamed carbon substrate is taken out from the plating solution, washed with water to neutrality, and benzotriazepine with a mass fraction of 0.08 to 0.8% The azole alcohol solution was vacuum passivated for 10 minutes, put it in a vacuum oven at a temperature of 90°C, dried for 4 hours, took it out and weighed it, and carried out appearance, thickness and performance tests. Other steps and parameters were the same as those in Example 1, as shown in Figure 2 .

Embodiment 3

[0039] This implementation case is different from case one in that step (5) puts activated foam carbon into 200mL by 20g / L copper sulfate, 25mL / L formaldehyde, 25g / L sodium edetate, 14g / L sodium tartrate, In the plating solution composed of 20mL / L stabilizer, adjust the pH of the plating solution to 12.5 with sodium hydroxide solution, place the plating solution in a vacuum chamber, the pressure in the vacuum chamber is 0.06MPa, and carry out vacuum reaction at room temperature for 10min. 400~800 / min magnetic stirring, stirring for 10min, then add vacuum and mechanical stirring to the electroless copper plating process. The alcohol solution of benzotriazole with a mass fraction of 0.08-0.8% is vacuum passivated for 10 minutes, placed in a vacuum oven at a temperature of 90°C, dried for 4 hours, taken out and weighed for appearance and performance tests. Other steps are the same as The parameters are the same as the implementation case 1, as attached image 3 .

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Abstract

The invention relates to a copper plating method for a porous charcoal material matrix, and mainly relates to a preparation method of a mesophase asphalt base copper-plating foam carbon. According to the invention, the mesophase asphalt base foam carbon is taken as a matrix, and the foam carbon with uniform copper plating in aperture can be prepared by a vacuum ultrasound-coassisted chemical copper-plating method. The vacuum ultrasound-coassisted chemical copper-plating method is carried out under room temperature, reaction temperature of chemical plating is reduced, and the method has the advantages of simple process, low cost, and easy industrial production. The vacuum ultrasonic condition during the preparation process is characterized in that ultrasound is 80-130kHz, 100-180W, vacuum pressure intensity is 0.01-10MPa, and the copper-plating foam carbon with different thickness can be prepared by controlling the cycle frequency of vacuum ultrasound.

Description

technical field [0001] The invention relates to a method for copper plating of porous foam carbon, which belongs to the technical field of surface treatment technology of porous carbon materials. Background technique [0002] Foam carbon is a new type of porous carbon material, which has excellent properties such as low density, high strength, high thermal and electrical conductivity, impact resistance, wave absorption, noise reduction, chemical corrosion resistance, and low thermal expansion coefficient. It is widely used in aerospace, rocket ships, etc. Fields, such as heat transfer exchange systems for aerospace vehicles and satellites, shock-resistant and noise-reducing launch platforms for rockets, large heat exchangers for chemical plants, and small heat removal devices for computer devices. In addition, they can also be applied to catalyst carriers, gas It is a new type of carbon material with great development potential and application prospects in the fields of adso...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C18/38
CPCC23C18/1666C23C18/1675C23C18/38
Inventor 刘秀军翟丽丽魏强强李同起樊桢韩瑞连郭琮琮
Owner TIANJIN POLYTECHNIC UNIV
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