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Selective chemical plating method for polymer substrate surfaces

A technology of substrate surface and polymer is applied in the field of chemical plating on the surface of polymer substrate, which can solve problems such as unenvironmental protection, and achieve the effect of simplifying the process and avoiding cumbersome procedures.

Inactive Publication Date: 2017-02-22
HEFEI LUCKY SCI & TECH IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method is only suitable for plastic substrates, and involves sulfonation reactions, which is not environmentally friendly

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Use the coating process to print a butyl acrylate primer on the entire surface of the cleaned polyethylene substrate, with a thickness of 5 nanometers, and then place it at 150 ° C for 5 minutes to dry; The printing process selectively prints the sensitizing solution and washes it with deionized water after 10 minutes. The sensitizing solution is a stannous chloride solution with a concentration of 1 g / L and a pH of 3, and uses glyceryl monostearate as a surfactant agent to adjust the surface tension of the sensitizing solution to make it less than the surface tension of the butyl acrylate primer to ensure that the sensitizing solution can wet the surface of the primer; immerse the obtained polyethylene substrate in the activation solution for activation, and use palladium chloride powder Dissolve in hydrochloric acid solution to prepare activation solution, the concentration of activation solution is 0.8 g / L, and use hydrochloric acid to adjust the pH of the activation ...

Embodiment 2

[0032] Use the coating process to print a polycarbonate resin primer in the entire area of ​​the cleaned polyvinyl alcohol substrate surface, with a thickness of 50 nanometers, and then place it at 80 ° C for 0.5 minutes to dry; the obtained polyvinyl alcohol substrate surface The sensitizing solution is selectively printed by screen printing process, and cleaned with deionized water after 2 minutes, wherein the sensitizing solution is a stannous chloride solution with a concentration of 60 g / L and a pH of 1, and is surface-active with sorbitan fatty acid agent to adjust the surface tension of the sensitizing solution to make it less than the surface tension of the polycarbonate resin primer to ensure that the sensitizing solution can wet the surface of the primer; Platinum powder is dissolved in hydrochloric acid solution to configure the activation solution, the concentration of the activation solution is 0.05 g / L, and the pH of the activation solution is adjusted to 4 with h...

Embodiment 3

[0035] Use the coating process to print a phenolic resin primer on the entire surface of the cleaned nylon substrate, with a thickness of 10 nanometers, and then dry it at 90°C for 1 minute; the surface of the obtained nylon substrate is selectively printed by gravure printing. Print the sensitizing solution, clean it with deionized water after 5 minutes, wherein the sensitizing solution is a concentration of 10 grams per liter, and the pH is 2 stannous chloride solution, and the surface of the sensitizing solution is adjusted using a polysorbate surfactant tension so that it is less than the surface tension of the phenolic resin primer to ensure that the sensitizer can wet the surface of the primer; the resulting nylon substrate is immersed in AgNO with a pH of 2 3 The activation is carried out in the solution, the concentration of the activation solution is 0.06 g / L, the activation temperature is 40° C., and the activation time is 20 minutes. Take it out, wash it with deioniz...

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PUM

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Abstract

The invention relates to a selective chemical plating method for polymer substrate surfaces. The method includes the steps: (a) performing pretreatment for the polymer substrate surfaces; (b) printing base coat on the polymer substrate surfaces by the aid of a coating process, and drying; (c) selectively printing sensitizing solution on the polymer substrate surfaces; (d) immerging polymer substrates into activating solution to activate; (e) chemically plating to obtain surface selectivity metallization polymer substrates. The method is simple in process and low in cost and has excellent selectivity and application prospects in fields such as flexible printed circuit boards and integrated circuits.

Description

[0001] Technical field: [0002] The invention relates to the technical field of coating, in particular to a method for performing electroless plating on the surface of a polymer substrate. [0003] Background technique: [0004] Selective metallization of polymer surfaces has the advantages of low cost, easy portability, flexibility, and strong biocompatibility. It is used in displays, selective shielding, and integrated metal microdevices (microelectrodes, microheaters, microsensors, etc.) And many other fields have potential application value, which has attracted extensive attention of researchers at home and abroad. [0005] At present, the metallization of the polymer surface area mainly adopts deposition-lithography technology, hot pressing technology and selective electroless plating technology. Among them, the selective electroless plating technology has attracted extensive attention because of its simple operation, high precision, low cost and not limited by the surfa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C18/28C23C18/30C23C18/44C23C18/36C23C18/40
CPCC23C18/285C23C18/30C23C18/36C23C18/40C23C18/44
Inventor 黄俊俊王辉臧立恒周守发葛天宇谭永贞袁园
Owner HEFEI LUCKY SCI & TECH IND
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