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Hot plating film liquid

A coating solution and potion technology, applied in electrolytic coatings, coatings, etc., can solve the problems of poor dispersion ability of the plating solution, easy hydrolysis of divalent tin, low current efficiency, etc. the effect of electricity

Inactive Publication Date: 2018-08-24
德阳利源节能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The acidic tin plating process is characterized by stable solution, high coating brightness, high current efficiency of the plating solution, and easy operation, but the dispersion ability of the plating solution is poor, and divalent tin is easily hydrolyzed, etc.
Alkaline tin plating solution is stable and has good throwing ability, but the disadvantages are high working temperature, low current efficiency, not bright, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0018] A hot-coating solution, the hot-coating solution at least consists of tin-containing nano-alloy powder and coating solution. Preferably, the mass ratios of the tin-containing nano-alloy powder and the coating solution to the thermal coating solution are 0.5-5.5% and 94.5-99.5%, respectively.

[0019] Preferably, the tin-containing nano-alloy powder is prepared by co-precipitation of tin chloride, chlorides of rare earth elements and transition metals. The tin chloride is the main impedance component, the chloride of the rare earth element increases the anti-oxidation ability and stable crystallization strength of the coating solution, and the transition metal is used to realize the adjustment of impedance and expansion coefficient.

[0020] The particle size of the tin-containing nano-alloy powder prepared by the co-precipitation method is 10-100 nanometers. Further, the mass ratios of tin chloride, rare earth element chlorides and transition metals to the nano-alloy p...

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Abstract

The invention relates to hot plating film liquid. The hot plating film liquid at least consists of tin-contained nanoalloy powder and film plating medicine liquid; the tin-contained nanoalloy powder is uniformly dispersed in the film plating medium liquid; tin chloride in the tin-contained nanoalloy powder is a main resistance component; the oxidation resistance of the film plating liquid and thestabilization of the crystallizing strength are improved through chlorides of rare earth elements; the adjustment of resistance and expansion coefficients of the film plating liquid is realized through transitional metal; and through the tin chloride, the chlorides of the rare earth elements and nanoalloy powder of multiple metal, the effective reduction of the film forming temperature on a carrier is realized, the power use is reduced, and the film life is prolonged.

Description

technical field [0001] The invention relates to the fields of chemical industry, nanometer material and thin film preparation, in particular to a hot coating solution. Background technique [0002] Tin is a silver-white metal, non-toxic, has good welding and ductility, etc., and is widely used in electronics, food, automobile and other industries. There are mainly two types of electroplating tin solutions: alkaline and acidic. The acidic system is divided into sulfate, methanesulfonic acid system and fluoroboric acid system. The acidic tin plating process is characterized by stable solution, high coating brightness, high current efficiency of the bath, and easy operation, but poor dispersion of the bath and easy hydrolysis of divalent tin. Alkaline tin plating solution is stable and has good throwing ability, but its disadvantages are high working temperature, low current efficiency, and lack of brightness. [0003] Therefore, it is an urgent problem to provide a hot-dip f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D15/00C25D3/60
CPCC25D3/60C25D15/00
Inventor 白清勳
Owner 德阳利源节能科技有限公司
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