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Antirust agent for aluminum parts and preparation method thereof
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A technology of anti-rust agent and aluminum parts, applied in the coating process of metal materials, etc., can solve problems such as easy to generate rust and difficult to clean surface rust
Active Publication Date: 2018-05-15
深圳市鑫鸿达清洗技术有限公司
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[0004] In view of the above-mentioned prior art, the purpose of the present invention is to overcome the problems in the prior art that the surface of aluminum parts is often prone to rust during actual use, and the surface rust is often difficult to clean, thereby providing a Antirust agent for aluminum parts that can effectively produce antirust effect on the surface of the parts, thereby improving the service life of the aluminum parts and greatly reducing the production cost and its preparation method
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preparation example Construction
[0018] The present invention also provides a method for preparing an antirust agent for aluminum parts, wherein the preparation method comprises mixing chromic acid, potassium dichromate, nitric acid, monoethanolamine, ammonium carbonate, sodium carbonate and water; wherein,
[0019] Relative to 100 parts by weight of the water, the amount of chromic acid is 5-20 parts by weight, the amount of potassium dichromate is 1-5 parts by weight, and the amount of nitric acid is 1-10 parts by weight, The monoethanolamine is used in an amount of 0.1-5 parts by weight, the ammonium carbonate is used in an amount of 1-8 parts by weight, and the sodium carbonate is used in an amount of 1-8 parts by weight.
[0020] The above design mixes chromic acid, potassium dichromate, nitric acid, monoethanolamine, ammonium carbonate, sodium carbonate and water in a certain proportion, so that the rust preventive agent for aluminum parts prepared by the above proportion can be used in actual use. In t...
Embodiment 1
[0028] Mix 7g of chromic acid, 2g of potassium dichromate, 3g of nitric acid, 1g of monoethanolamine, 3g of ammonium carbonate, 3g of sodium carbonate, 1g of ammonium benzoate, 1g of trisodium phosphate and 100g of water, heat to 30°C and stir for 10min to produce aluminum Parts rust inhibitor A1.
Embodiment 2
[0030] Mix 12g of chromic acid, 3g of potassium dichromate, 7g of nitric acid, 3g of monoethanolamine, 5g of ammonium carbonate, 5g of sodium carbonate, 5g of ammonium benzoate, 5g of trisodium phosphate and 100g of water, then heat to 60°C and stir for 50min to produce aluminum Antirust agent A2.
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Abstract
The invention discloses an antirust agent for aluminum parts and a preparation method thereof, wherein the antirust agent includes chromic acid, potassium dichromate, nitric acid, monoethanolamine, ammonium carbonate, sodium carbonate and water; wherein, relative to 100 The described water of parts by weight, the content of described chromic acid is 5-20 parts by weight, the content of described potassium dichromate is 1-5 parts by weight, the content of described nitric acid is 1-10 parts by weight, and the content of described single The content of ethanolamine is 0.1-5 parts by weight, the content of the ammonium carbonate is 1-8 parts by weight, and the content of the sodium carbonate is 1-8 parts by weight. The above design mixes chromic acid, potassium dichromate, nitric acid, monoethanolamine, ammonium carbonate, sodium carbonate and water, so that the rust inhibitor for aluminum parts prepared by mixing the above ratio can be used on aluminum An effective protective layer is formed on the surface of the aluminum parts, so that the aluminum parts will not be prone to rust over time in subsequent use, and thus improve the performance of the aluminum parts.
Description
technical field [0001] The invention relates to the field of surface cleaning of parts, in particular to an antirust agent for aluminum parts and a preparation method thereof. Background technique [0002] As a material for machinery and other parts commonly used in daily production, aluminum is widely used in production, ranging from small parts such as fixtures to large mechanical equipment, etc. Aluminum materials appear in all aspects of it. As a commonly used mechanical material of this type, aluminum parts are prone to rust on the surface over time during actual use, which may greatly affect the performance of aluminum parts and further affect the performance of equipment. . [0003] Therefore, it is an urgent problem to be solved in the present invention to provide an antirust agent for aluminum parts that can effectively produce an antirust effect on the surface of aluminum parts, thereby improving the service life of aluminum parts and greatly reducing production c...
Claims
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