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Metal aluminum salt cover film

A technology of metal aluminum salt and covering film, which is applied in the direction of metal material coating process, superimposed layer plating, coating, etc., can solve the problems of difficult painting or coloring, time-consuming and labor-intensive processing, and high processing cost, so as to save water , easy to use, excellent electrical conductivity

Inactive Publication Date: 2013-11-06
赵家文
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In addition, for the existing stainless steel products, high-pressure airless spraying process is required after sandblasting before the product is painted, otherwise it is not easy to paint or color, so the processing is time-consuming and laborious, and the processing cost is high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Embodiment 1: Adopted on the surface of the locomotive cast iron engine case.

[0047] In this embodiment, the components and weight percentages of the metal aluminum salt coating agent of the present invention are: edible phosphoric acid 10-12%, aluminum oxide 4.5-5%, zinc oxide 1-2%, phosphatidic acid 1-1.5%, Manganese 1-2%, the balance of water.

[0048] The specific production method steps are as follows:

[0049] 1) First prepare the ingredients according to the ratio, and divide the remaining water into three equal parts;

[0050] 2) Prepare a low-pressure reaction kettle for the container, make the ambient temperature above 30-40°C, and pour the prepared edible phosphoric acid into it;

[0051] 3) Add alumina, then add a portion of water, stir until completely dissolved;

[0052] 4) Add zinc oxide, add a portion of water, and stir until completely dissolved;

[0053] 5) Add manganese, add a portion of water, and stir until completely dissolved;

[0054] 6) A...

Embodiment 2

[0057] Embodiment 2: Applied on the surface of the cast steel body of the locomotive.

[0058] In this embodiment, the components and percentages by weight of the metal aluminum salt coating agent of the present invention are: 18-20% of edible phosphoric acid, 5% of aluminum oxide, 2-4% of zinc oxide, 1-1.5% of phosphatidic acid, 1% of manganese -2%, water balance.

[0059] The specific production method steps are as in Example 1, the difference is that in step 7: use roller coating, brush coating or wiping coating, and keep the ambient temperature at 5°C-20°C to dry naturally, which forms a 25-28 micron film layer on the surface of the cast steel body .

[0060] The locomotive is assembled with this kind of cast steel body, which has good anti-corrosion effect.

Embodiment 3

[0061] Embodiment 3: Applied on the surface of profiles such as Q plates and angle steels.

[0062] In this embodiment, the components and weight percentages of the metal aluminum salt coating agent of the present invention are: edible phosphoric acid 20-25%, aluminum oxide 5-8%, nickel oxide 1-1.8%, zinc oxide 2-3%, phosphorus Esteric acid 1-1.5%, manganese 1-2%, water balance.

[0063] The specific production method steps are as follows:

[0064] 1) First prepare the ingredients according to the ratio, and divide the remaining water into four equal parts;

[0065] 2) Prepare a container so that the ambient temperature reaches above 30-40°C, and pour the prepared edible phosphoric acid into it;

[0066] 3) Add alumina, then add a portion of water, stir until completely dissolved;

[0067] 4) Add nickel oxide, add a portion of water, and stir until completely dissolved;

[0068] 5) Add zinc oxide directly, add a portion of water, and stir until completely dissolved;

[00...

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Abstract

The invention discloses a metal aluminum salt cover film which comprises an aluminum oxide layer. An inner protection layer and an outer protection layer cover the aluminum oxide layer which serves as a basic layer or a central layer upwards or upwards and downwards simultaneously. The inner protection layer is at least one of a zinc oxide layer and a nickel oxide layer, and the outer protection layer is a manganese layer. When the inner protection layer includes the zinc oxide layer and the nickel oxide layer, the zinc oxide layer covers the inner side, and the nickel oxide layer covers the outer side. The aluminum oxide layer, the zinc oxide layer, the nickel oxide layer and the manganese layer are all immersed and processed through edible phosphoric acid. The metal aluminum salt cover film contains, by weight, 4.5-8 parts of aluminum oxide, 1 part to 1.5 parts of phosphate ester, 0 part to 4 parts of zinc oxide, 0 part to 3 parts of nickel oxide and 1 part to 2 parts of manganese. The cover film can be used for forming a compact protection layer on the surfaces of cold plates, Q sections, cast iron, parts, cast steel or nonferrous metals.

Description

[0001] The present invention is a divisional application based on the application filed on June 25, 2012 (application number: 201210209548.8). technical field [0002] The invention relates to an environmental protection technology, in particular to a metal aluminum salt coating layer which can be applied to the surface of metal manufacturing products and has a unique anti-corrosion effect. Background technique [0003] The traditional pretreatment technology of metal manufacturing products generally adopts phosphating technology to form a film. This technology adopts the theory of thermal kinematics, and the law of corrosion energy and mass conservation of neutral acid formed in nature with mineral phosphoric acid at 60 °C , Mineral phosphoric acid combined with water and oxygen releases energy to dissolve metals with more than two valences and become metal ions. Its metal ions are corrosively applied to the substrate surface of metal products in thermal kinematics; metal i...

Claims

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Application Information

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IPC IPC(8): C23C28/00C23C22/12
Inventor 赵家文
Owner 赵家文
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