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Composite copper gold powder wet milling assistant and its preparation method

A copper-gold powder and composite technology is applied in the formulation of a composite copper-gold powder wet grinding aid. The preparation field of the copper-gold powder wet-grinding aid can solve the problems of difficulty in washing, redeposition of dirt, affecting the color of copper-gold pink and the like. , to achieve the effect of improving the efficiency of wet grinding

Inactive Publication Date: 2009-03-11
XIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a composite copper gold powder wet grinding aid, which solves the problems of existing wet grinding aids such as redeposition of dirt after wet grinding, difficulty in washing and affecting the luster of copper gold powder

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Step 1, take 150g of 15% octadecylamine and 200g of 20% stearic acid by mass percentage, put into a container and mix and heat to a molten state;

[0017] Step 2. Add 150 g of emulsifier OP-4 with a mass percentage of 15% into the above mixed solution, heat and stir evenly;

[0018] Step 3. Heat 500 g of water with a mass percentage of 50% to 30°C to 40°C, slowly stir and add it to the mixed liquid prepared in step 2, and stir well to form an emulsion liquid;

[0019] Step 4. Accelerate the stirring to fully emulsify the liquid, and turn it into a paste after cooling, that is, 1000g of composite copper-gold powder wet grinding aid is obtained.

Embodiment 2

[0021] Step 1, take 125g of 12.5% ​​octadecylamine and 250g of 25% stearic acid by mass percentage, put them into a container, mix and heat to a molten state;

[0022] Step 2, add 125g of emulsifier OP-4 with a mass percentage of 12.5% ​​into the above mixed solution, heat and stir evenly;

[0023] Step 3. Heat 500 g of water with a mass percentage of 50% to 30°C to 40°C, slowly stir and add it to the mixed liquid prepared in step 2, and stir well to form an emulsion liquid;

[0024] Step 4. Accelerate the stirring to fully emulsify the liquid, and turn it into a paste after cooling, that is, 1000g of composite copper-gold powder wet grinding aid is obtained.

Embodiment 3

[0026] Step 1, take 135g of 13.5% octadecylamine and 230g of 23% stearic acid by mass percentage, put them into a container, mix and heat to a molten state;

[0027] Step 2, add 135g of emulsifier OP-4 with a mass percentage of 13.5% into the above mixed solution, heat and stir evenly;

[0028] Step 3. Heat 500 g of water with a mass percentage of 50% to 30°C to 40°C, slowly stir and add it to the mixed liquid prepared in step 2, and stir well to form an emulsion liquid;

[0029] Step 4. Accelerate the stirring to fully emulsify the liquid, and turn it into a paste after cooling, that is, 1000g of composite copper-gold powder wet grinding aid is obtained.

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Abstract

An assistant for the wet grinding of Cu-Ag powder is prepared proportionally from octadecamine, stearic acid, emulsifier OP-4 and water through mixing octadecamine with stearic acid, heating for fusing, adding emulsifier OP-4, thermal stirring, stirring while slowly adding warm water at 30-40 deg.C, stirring, stopping heating, high-speed stirring for fully emulsifying, and cooling to obtain cream.

Description

technical field [0001] The invention belongs to the technical field of powder processing, and relates to a processing auxiliary material for copper-gold powder, in particular to a composition of a composite copper-gold powder wet grinding aid, and also relates to a preparation method of the copper-gold powder wet grinding aid. Background technique [0002] During the processing of copper and gold powder, the wet grinding step is the main link in the process of high-quality copper and gold powder. At present, it is generally used to directly mix octadecylamine and stearic acid grinding aids in the wet grinding process. Directly mixed with octadecylamine and stearic acid grinding aids for wet grinding, there is a problem of redeposition of dirt after wet grinding. During the washing process, the dirt cannot pass through the filter cloth of the centrifuge and will adhere to the filter cloth to form thick dirt Mud, which in turn affects the washing efficiency of copper gold powd...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22F9/04C09K5/14
Inventor 赵麦群白艳霞
Owner XIAN UNIV OF TECH