Hole-sealing agent and preparation method thereof

A technology of sealing agent and accelerator, applied in the direction of electrolytic coating, surface reaction electrolytic coating, coating, etc., can solve the problems of small temperature range, large environmental pollution, small application range, etc., to reduce pollution degree and service life Long-term, wide-ranging effects in the market

Inactive Publication Date: 2015-03-25
DONGGUAN RIYE CHEM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The dichromate method pollutes the environment greatly, so it is eliminated by the existing market; the nickel system sealing process is widely used in China, and the nickel system sealing process is divided into normal temperature sealing and high temperature sealing. The current high temperature sealing operating temperature in the market is 80-100 degrees, the operable temperature range is small, the scope of application is small, and the energy consumption is large, which is not conducive to market promotion

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] According to a kind of sealing agent described in Example 1 of the present invention, the following components are obtained by mass percentage:

[0029] 10 parts of citric acid, 10 parts of trisodium phosphate, 10 parts of sodium p-toluenesulfonate, 15 parts of ammonium lignosulfonate, 10 parts of sodium heptose, 5 parts of sodium carbonate and 10 parts of boric acid.

Embodiment 2

[0031] According to a kind of sealing agent described in embodiment 2 of the present invention, obtain following component by mass percentage:

[0032] 15 parts of citric acid, 15 parts of trisodium phosphate, 15 parts of sodium p-toluenesulfonate, 20 parts of ammonium lignosulfonate, 15 parts of sodium heptonate, 5 parts of sodium carbonate and 15 parts of boric acid.

Embodiment 3

[0034] According to a kind of sealing agent described in embodiment 3 of the present invention, obtain following component by mass percentage:

[0035] 20 parts of citric acid, 20 parts of trisodium phosphate, 20 parts of sodium p-toluenesulfonate, 25 parts of ammonium lignosulfonate, 20 parts of sodium heptose, 10 parts of sodium carbonate and 20 parts of boric acid.

[0036] A preparation method of a sealing agent, comprising the following steps:

[0037] Step 1: Accurately weigh each raw material according to the ratio requirements, mix and grind evenly, remove the moisture in the raw materials at a temperature of 300-450°C, and simultaneously decompose and release Na 2 CO 3 CO in 2 gas;

[0038] Step 2: Continue to heat the raw materials after step 1, and sinter them at 600-700°C to obtain a uniform molten enamel. Put the molten enamel into cold water to quench and then put it in a drying oven at 100°C for drying. get glass frit;

[0039] Step 3: Put the dried glass f...

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PUM

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Abstract

The invention discloses a hole-sealing agent. The hole-sealing agent comprises an accelerator, a surfactant and a stabilizer, wherein the accelerator comprises citric acid and trisodium phosphate, the surfactant comprises sodium p-toluenesulfonate and ammonium lignosulfonate and the stabilizer comprises sodium heptonate, sodium carbonate and boric acid. The hole-sealing agent disclosed by the invention has the beneficial effects that the operable temperature range of the product is 50-100 DEG C, the temperature applicable range of a device is effectively increased, the energy consumption is saved, the device is convenient to operate, the service life is long, the level of the environmental pollution is decreased, the market scope of application is broad and the hole-sealing agent is conducive to the promotion and application of the market.

Description

[0001] technical field [0002] The invention relates to the field of aluminum anode surface treatment, in particular to a sealing agent and a preparation method thereof. [0003] Background technique [0004] The commonly used method for the surface treatment of aluminum alloys is anodic oxidation. After anodic oxidation, aluminum alloys have a high porosity and strong adsorption capacity, which is easy to dye. hole. [0005] At present, the main sealing methods include boiling water method, dichromate method, metal salt method, etc. Although the boiling water sealing method is non-polluting, it is prone to powder frost phenomenon, which affects the quality appearance and the bonding force between the paint layer and the substrate, and the energy is clean. consumes a lot. The dichromate method pollutes the environment greatly, so it is eliminated by the existing market; the nickel system sealing process is widely used in China, and the nickel system sealing process is di...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D11/18
CPCC25D11/246
Inventor 陈品杰
Owner DONGGUAN RIYE CHEM TECH
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