Brass polish cream having stable viscosity

A technique for rubbing copper paste and viscosity, which is applied in the field of rubbing copper paste to achieve the effect of simple and convenient operation.

Inactive Publication Date: 2018-01-16
合肥普庆新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At the same time, this type of cleaning agent is liquid and needs to be soaked for cleaning. It is difficult to clean the surface of large-scale copper ornaments such as hotels and guesthouses, and it is even more impossible for large-scale cop

Method used

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  • Brass polish cream having stable viscosity
  • Brass polish cream having stable viscosity

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0020] Preparation of thickener solution A:

[0021]

Total amount / g

Component (a)

Dosage / g

50% component (b)

Dosage / g

Thickener A1

0.5

carboxymethyl cellulose

0.25

polyvinyl alcohol

0.125

Thickener A2

2

Methylcellulose

1.8

polyvinyl alcohol

0.1

Thickener A3

3

Hydroxyethyl cellulose

2.7

polyvinyl alcohol

1.5

[0022] Preparation method: first add the measured thickener component (a) and 50% component (b) into water, heat to 60°C, and stir at 800-1000rpm for 10-20min to obtain a stable and uniform thickener. Solvent solution A is set aside.

[0023]

Embodiment

[0024] Embodiment preparation method:

[0025] (1) Under stirring at 800-1000rpm, add abrasive, silica sol, silica sol stabilizer, organic solvent and essence to thickener solution A in turn, stir at room temperature to obtain mixture B. Every time you add a raw material, you must ensure that it is evenly mixed before adding another raw material.

[0026] (3) Under the condition of stirring at 800-1000rpm, add the remaining 50% component (b) thickener solution to the mixture B to fine-tune the viscosity, and obtain the product.

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Abstract

The invention relates to the technical field of metal surface cleaning, and concretely relates to a brass polish cream having a stable viscosity. The brass polish cream comprises an abrasive, an organic solvent, a thickener, silica sol, a silica sol stabilizer, an essence and water. The brass polish cream having a stable viscosity is prepared through a special preparation process, and can be usedto clean surfaces of hotels, guesthouses and other large brass ornaments to achieve the mirror effect.

Description

technical field [0001] The invention relates to the technical field of metal surface cleaning, in particular to a copper rubbing paste with stable viscosity Background technique [0002] Chemical polishing of copper and its alloys is also called bright pickling. Basically, there are three-acid cleaning and chromium-containing cleaning. The three-acid formula is fast and the pickling has good brightness, so it is the most widely used. However, the biggest disadvantage of the three-acid formula is the strong reaction. When the workpiece is immersed in the polishing solution, a large amount of irritating yellow smoke will be produced, polluting the air, poisoning the environment, and affecting the health of workers. The treatment agent used for chromium-containing cleaning contains Cr 6+ , Hexavalent chromium compounds are extremely toxic and carcinogenic substances with mutagenic effects. In January 2003, the European Union promulgated the "Directive on the Restriction of th...

Claims

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Application Information

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IPC IPC(8): C23F3/04
Inventor 何宗文侯伟何宗俊
Owner 合肥普庆新材料科技有限公司
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