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Technique for producing alkaline zincate galvanizing additive

A zincate galvanizing and production process technology, which is applied in the field of alkaline zincate galvanizing additive production process, can solve the problems of unfavorable environmental protection, pollution generation, complex components, etc., so as to facilitate the regulation of plating solution and benefit Environmental protection and cost reduction effects

Inactive Publication Date: 2008-06-04
TIANJIN HANLONG ZINC PLATING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The composition is complex, the cost is high, and pollution is generated, which is not conducive to environmental protection

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0006] Embodiment: a kind of alkaline zincate galvanizing additive production technology, get hexamethylenetetramine 70 grams and dissolve in 120-180 gram of distilled water, add 2-mercaptan meta-(two) indoles 4-10 grams , Stir and add 40ml of epichlorohydrin, after the reaction is complete, heat up and reflux for half an hour.

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PUM

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Abstract

The invention provides a production technique for alkalinity zincate zinc-plating additive, wherein the hexamethylenetetramine is dissolved in the distilled water, in which the 2-thiol group benzimidazole is added, the chloroepoxy propane is added while stirring, the mixed liquid is heated up and refluxed for half an hour after the complete reaction. The invention has the advantages of simplifying ingredients of the bath, conveniently adjusting and controlling the bath for lowering cost and being applicable to the passivation of the low chromium, along with the environmental protection.

Description

technical field [0001] The invention relates to a production process of an alkaline zincate galvanizing additive. Background technique [0002] At present, the key to alkaline zincate galvanizing is to select the appropriate additives, add organic additives in the electroplating solution, and add polarizing and bright additives at the same time in galvanizing production. The composition is complex, the cost is high, and pollution occurs, which is not conducive to environmental protection. Contents of the invention [0003] The object of the present invention is to overcome above-mentioned defect, a kind of alkaline zincate galvanizing additive production process is provided. [0004] The technical scheme of the present invention is: a production process of alkaline zincate galvanizing additive, characterized in that: 2-mercaptan meta-(di)pyrazine is introduced into the macromolecule condensed with amines and epichlorohydrin to obtain Aurora type additive. [0005] The i...

Claims

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Application Information

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IPC IPC(8): C25C3/22
Inventor 刘贵喜
Owner TIANJIN HANLONG ZINC PLATING
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