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Metallization electroplating method for plastic shell and wear-resistant plastic

A plastic shell and metallization technology, applied in the field of material coating metal, can solve the problems of poor corrosion resistance and wear resistance, chromium ion pollution, low bonding performance, etc., to improve strength, reduce polarization phenomenon, and the method is simple Effect

Active Publication Date: 2021-07-09
广东宇豪新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, chromium ions will seriously pollute the environment. At the same time, the bonding performance between the coating and the plastic in this patent is not high, and the corrosion resistance and wear resistance are very poor, which affects the performance during use.

Method used

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  • Metallization electroplating method for plastic shell and wear-resistant plastic

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0061] The metallization electroplating method for plastic shells consists of the following steps:

[0062] S1. Pretreatment: first clean the plastic with a mixture of acetone and absolute ethanol for 8 minutes, the mass ratio of the acetone and absolute ethanol is 1:1; then wash it with an aqueous solution of sodium carbonate at 50°C and pH=7.5 for 5 minutes; then Wash with pH=6 acetic acid aqueous solution for 2 minutes, and finally wash with 40°C deionized water for 4 minutes to obtain pretreated plastic; the plastic is polycarbonate plastic;

[0063] S2. Coarsening: Put the pretreated plastic into a microetching solution at 55° C. for 20 minutes at an ultrasonic power of 160 W and an ultrasonic frequency of 25 kHz to obtain a microetching plastic; the microetching solution is composed of 25 wt % phosphoric acid, 60 wt % sulfuric acid, and 5 wt % MnO 2 , 0.03wt% cetyltrimethylammonium bromide, 0.5wt% sodium tripolyphosphate, and the balance is deionized water;

[0064] S3,...

Embodiment 2

[0072] The metallization electroplating method for plastic shells consists of the following steps:

[0073] S1. Pretreatment: first clean the plastic with a mixture of acetone and absolute ethanol for 8 minutes, the mass ratio of the acetone and absolute ethanol is 1:1; then wash it with an aqueous solution of sodium carbonate at 50°C and pH=7.5 for 5 minutes; then Wash with pH=6 acetic acid aqueous solution for 2 minutes, and finally wash with 40°C deionized water for 4 minutes to obtain pretreated plastic; the plastic is polycarbonate plastic;

[0074] S2. Coarsening: Soak the pretreated plastic in a swelling solution at 40°C for 10 minutes, then put it in a microetching solution at 55°C, and treat it for 20 minutes at an ultrasonic power of 160W and an ultrasonic frequency of 25kHz to obtain a microetched plastic; The swelling liquid is mixed with 20wt% 5-carboxybenzotriazole, 30wt% N-methylpyrrolidone, 15wt% potassium hydroxide, 10wt% N,N-dimethylformamide, and the balance...

Embodiment 3

[0083] The metallization electroplating method for plastic shells consists of the following steps:

[0084] S1. Pretreatment: first clean the plastic with a mixture of acetone and absolute ethanol for 8 minutes, the mass ratio of the acetone and absolute ethanol is 1:1; then wash it with an aqueous solution of sodium carbonate at 50°C and pH=7.5 for 5 minutes; then Wash with pH=6 acetic acid aqueous solution for 2 minutes, and finally wash with 40°C deionized water for 4 minutes to obtain pretreated plastic; the plastic is polycarbonate plastic;

[0085] S2. Coarsening: Soak the pretreated plastic in a swelling solution at 40°C for 10 minutes, then put it in a microetching solution at 55°C, and treat it for 20 minutes at an ultrasonic power of 160W and an ultrasonic frequency of 25kHz to obtain a microetched plastic; The swelling liquid is mixed with 20wt% 5-carboxybenzotriazole, 30wt% N-methylpyrrolidone, 15wt% potassium hydroxide, 10wt% N,N-dimethylformamide, and the balance...

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Abstract

The invention discloses a metallization electroplating method for a plastic shell and wear-resistant plastic, and belongs to the technical field of plating materials with metal. The metallization electroplating method for the plastic shell mainly comprises the steps of plastic pretreatment, coarsening, neutralization, sensitization, activation, electroplating and finished product obtaining. The metallization plating layer of the plastic shell has good bonding performance, the plating layer is not prone to falling off, and while very good abrasion resistance and corrosion resistance are achieved, the metallization plating method of the plastic shell is simple, low in cost, easy to operate and easy to popularize.

Description

technical field [0001] The invention relates to the technical field of metal plating on materials, in particular to a metallization electroplating method for a plastic shell and wear-resistant plastics. Background technique [0002] As a kind of plastic product, plastic is widely used in many aspects such as agriculture, industry, construction, packaging, etc. However, due to the poor heat resistance and wear resistance of plastic, its application range is limited to a certain extent. With the development of science and technology and the improvement of people's living standards, the characteristics and applications of single materials are restricted, and the performance of new materials, especially composite materials, has attracted more attention. At present, there are various technologies for surface modification of non-metallic materials. There are many researches on the surface modification of non-metallic substrate materials by using electroless metal plating and alloy...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D5/56
CPCC25D5/56
Inventor 胡长昕饶君豪
Owner 广东宇豪新材料科技有限公司
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