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Tin plating brightener

A brightener and tin-plating technology, applied in the field of tin-plating brighteners, can solve the problem of low brightness of tin-plating brighteners, and achieve the effects of convenient components and processes, reasonable formula and reducing environmental pollution

Inactive Publication Date: 2020-07-31
重庆佰思特表面处理有限公司
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of this invention is to provide a kind of brightening agent for tin plating, aiming to solve the technical deficiency of low brightness of brightening agent for tin plating in the prior art

Method used

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Embodiment 1

[0009] A brightener for tin plating, comprising the following components in the following weight ratio: 7-9% of nicotinic acid, 27-29% of nonylphenol polyoxyethylene ether, 5-7% of acetone, sorbitol liver fatty acid polyoxygen Ethyl ether 1-3%, polyaldehyde compound 1.1-1.5%, hydroquinone ether 1-3%, formaldehyde 14-16%, and the balance is deionized water. Niacin is mixed at a temperature below 15°C, Nonylphenol polyoxyethylene ether, benzylidene acetone, sorbitol liver fatty acid polyoxyethyl ether, and polyaldehyde compound were added in sequence and stirred for 1 hour to mix evenly, and then the polyaldehyde compound, hydroquinone ether and formaldehyde were added in sequence and stirred for 1.5 hours to mix evenly. After cooling down to room temperature, add deionized water and stir evenly.

[0010] The components comprising the following weight ratios are as follows: 8% niacin, 28% nonylphenol polyoxyethylene ether, 6% benzyl acetone, 2% sorbitol liver fatty acid polyoxye...

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PUM

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Abstract

The invention discloses a tin plating brightener. The tin plating brightener comprises components in a weight ratio as follows: 7%-9% of nicotinic acid, 27%-29% of nonylphenol polyoxyethylene ether, 5%-7% of benzalacetone, 1%-3% of sorbitan fatty acid polyoxyethylene ether, 1.1%-1.5% of polyaldehyde compounds, 1%-3% of hydroquinone diethyl ether, 14%-16% of formaldehyde and the balance deionized water, nicotinic acid, nonylphenol polyoxyethylene ether, benzalacetone, sorbitan fatty acid polyoxyethylene ether and the polyaldehyde compounds are added in sequence at the temperature lower than 15DEG C and stirred for 1 h to be mixed uniformly, and the polyaldehyde compounds, hydroquinone diethyl ether and formaldehyde are added in sequence at the temperature of 30-35 DEG C and stirred for 1.5h to be mixed uniformly. The formula is reasonable, the production cost is reduced, meanwhile, any harmful gas cannot be produced during using, environmental pollution is reduced, the technical defect of low tin plating brightness in the prior art is solved, and the tin plating brightener is high in applicability and good in practicability.

Description

technical field [0001] The invention belongs to the technical field of tin plating, and in particular relates to a brightener for tin plating. Background technique [0002] Tin plating is corrosion-resistant, non-toxic and solderable, and is widely used in various industrial fields, especially the electronics industry [0003] field. Due to restrictions on heavy metals such as hexavalent chromium and cadmium, the tin plating industry has been more widely used. Since no brightener to improve the brightness of the tin coating has been found in the alkaline electro-tin plating process, the tin coating of the alkaline electro-tin plating has poor brightness, which is an obvious shortcoming. Contents of the invention [0004] The purpose of the present invention is to provide a brightener for tin plating, aiming at solving the technical deficiency of the low brightness of the brightener for tin plating in the prior art. [0005] The technical solution for realizing the purpo...

Claims

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Application Information

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IPC IPC(8): C25D3/32
CPCC25D3/32
Inventor 杨德高杨贵显黄斌
Owner 重庆佰思特表面处理有限公司
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