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Preparation method of high-quality chemical plating layer for surface of polymer substrate

A substrate surface, chemical plating technology, applied in liquid chemical plating, metal material coating process, coating and other directions, to achieve the effect of high adhesion, high precision and simple process

Active Publication Date: 2018-09-04
HEFEI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a method for preparing a high-quality electroless coating on the surface of a polymer substrate, so as to solve the deficiencies in the preparation method of a high-quality electroless coating in the prior art

Method used

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  • Preparation method of high-quality chemical plating layer for surface of polymer substrate

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preparation example Construction

[0022] A method for preparing a high-quality electroless coating on the surface of a polymer substrate, comprising the following steps:

[0023] (1) Put polyvinyl alcohol, silane, ethanol and deionized water in a disperser, stir in a constant temperature water bath at 60°C for 60 minutes, add aqueous ammonium dihydrogen phosphate, continue stirring for 60 minutes, and then add 30% of catalyst ions Solution, continue to stir for 1~60min;

[0024] (2) Stir the solution in step (1) at a speed of 5000~10000 r / min, and gradually add 1% emulsifier while stirring to prepare an organic-inorganic hybrid liquid, which is adjusted with ethylene glycol and glycerin The surface tension of the hybrid liquid is 20~40 mN / m, and the viscosity is 6.0~15 cp;

[0025] (3) Selectively print the organic-inorganic hybrid solution obtained in step (2) on the surface of the polymer substrate, and then dry it at 80 ℃ to 150 ℃ for 5 to 10 minutes to obtain the matrix;

[0026] (4) Immerse the substrat...

Embodiment 1

[0038] Put polyvinyl alcohol, aminopropyl triethoxysilane, ethanol and deionized water in a disperser, stir in a constant temperature water bath at 60°C for 60 min, add aqueous ammonium dihydrogen phosphate, continue stirring for 60 min, and then add 30 min % catalyst platinum ion solution, continue to stir for 10 min, and gradually add 1% polyacrylamide emulsifier to the obtained solution under high-speed stirring (5000 r / min), that is, to prepare organic-inorganic hybrid liquid, using ethylene glycol and glycerine Alcohol adjusted the surface tension of the hybrid solution to 30 mN / m and the viscosity to 7 cp. The above-mentioned organic-inorganic hybrid liquid was selectively printed on the surface of the cleaned nylon substrate by a coating process, and then dried at 80 °C for 5 min.

[0039] Preparation of electroless nickel plating bath, the bath composition is: NiSO 4 ·7H 2 O (50 g / L), NaH2 PO 2 ·H 2 O (25 g / L), (NH 4 ) 2 · SO 4 (11 g / L), C 6 h 8 o 7 (7 g / l). ...

Embodiment 2

[0041] Put polyvinyl alcohol, vinyltriethoxysilane, ethanol and deionized water in a disperser, stir in a constant temperature water bath at 60°C for 60 min, add aqueous ammonium dihydrogen phosphate, continue stirring for 60 min, and then add 30% The catalyst palladium ion solution, continue to stir for 20 min, and gradually add 1% polyacrylamide emulsifier to the obtained solution under high-speed stirring (6000 r / min), that is, to prepare an organic-inorganic hybrid liquid, using ethylene glycol and glycerol Adjust the surface tension of the hybrid solution to 20 mN / m, and the viscosity to 15 cp. The above-mentioned organic-inorganic hybrid liquid was selectively printed on the surface of the cleaned non-woven substrate by screen printing process, and then dried at 100 °C for 5 min.

[0042] Preparation of electroless copper plating bath, the bath composition is: CuSO 4 ·5H 2 O (24 g / L), NaH 2 PO 2 ·H 2 O (55 g / L), Na 3 C 6 h 5 o 7 2H 2 O (1.5 g / L), H 3 BO 3 (70...

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Abstract

The invention discloses a preparation method of a high-quality chemical plating layer for the surface of a polymer substrate. The preparation method comprises the following steps that (1), polyvinyl alcohol, silane, ethyl alcohol and deionized water are put into a dispersing machine and stirred for 60 min in a constant-temperature water bath at 60 DEG C, an ammonium dihydrogen phosphate aqueous solution is added, stirring continues being conducted for 60 min, a 30% catalyst ionic solution is added, and stirring continues being conducted for 1-60 min; (2), the solution is stirred at the rotation speed of 5,000-10,000 r / min, and a 1% emulsifying agent is gradually added while stirring is conducted; (3), an organic-inorganic hybrid solution is selectively printed on the surface of the polymersubstrate, the polymer substrate is dried for 5-10 min under the condition with the temperature of 80-150 DEG C, and a substrate is obtained; (4), the substrate is immersed into a chemical plating solution for plating, chemical plating is conducted for 1-60 min at the temperature of 60-100 DEG C, and then drying is conducted for 1-30 min at the temperature of 40-100 DEG C. The preparation methodhas the beneficial effects that selective chemical plating can be conducted on different polymer substrates, and the high-quality chemical plating layer with the high adhesive force and precision canbe obtained.

Description

technical field [0001] The invention belongs to the field of polymer surface metallization, in particular to a method for preparing a high-quality electroless coating on the surface of a polymer substrate. Background technique [0002] High-quality electroless coatings on polymer surfaces have the advantages of low cost, simple process, easy portability, flexibility and strong biocompatibility. They are used in flexible circuit boards, displays, selective shielding, and integrated metal microdevices (microelectrodes, micro Heaters, microsensors, etc.) circuits and many other fields have potential application value, which has attracted widespread attention from researchers at home and abroad. [0003] At present, the electroless plating on the polymer surface area mainly adopts deposition-lithography technology, hot pressing technology and selective electroless plating technology. Among them, the high-quality selective electroless plating technology has attracted widesprea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C18/20C23C18/36C23C18/40C23C18/44
CPCC23C18/2066C23C18/36C23C18/40C23C18/44
Inventor 黄俊俊周芳黄梦茹谢劲松郑子银
Owner HEFEI UNIV
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