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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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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Experimental program
Comparison scheme
Effect test
Embodiment
[0006] Embodiment: a kind of alkaline zincate galvanizing additive production technology, get hexamethylenetetramine 16-18 gram and add 30-40 gram of distilled water and add 2-mercaptan meta-(two) pyridine 0.2-1 gram to react After completion, add 9-10 ml of stirred epichlorohydrin, and reflux in a water bath at 80° C. for half an hour.
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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, after the complete reaction the chloroepoxy propane is added with stirring, the mixed liquid is refluxed in a water bath with the temperature of 80 DEG C for half an hour. 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 kind of alkaline zincate galvanizing additive production process, it is characterized in that: take hexamethylenetetramine 16-18 gram and add 30-40 gram of distilled water and add 2-mercaptan (two ) After the reaction of 0.2-1 gram of pyrid...
Claims
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IPC IPC(8): C25D3/22
Inventor 刘贵喜
Owner TIANJIN HANLONG ZINC PLATING
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