CN104109469A - Petroleum ether aluminum alloy surface treating agent - Google Patents

Abstract

The invention discloses a petroleum ether aluminum alloy surface treating agent. The agent is composed of the following raw materials in parts by weight: 2.4 to 5 parts of dipotassium glycyrrhizinate, 1 to 2 parts of sodium citrate, 0.1 to 0.2 part of volcanic ash, 1.7 to 3 parts of stearic acid, 0.1 to 0.3 part of dibutyltin dilaurate, 2 to 3.5 parts of poly(ethylene diglycol adipate glycol), 0.2 to 0.4 part of dioctyl ester, 0.2 to 0.4 part of petroleum ether, 0.4 to 1 part of petroleum sodium sulfonate, 0.3 to 0.5 part of sorbitan monooleate, 0.7 to 1 part of ammonium octamolybdate, 3 to 4.5 parts of magnesium nitrate, 2 to 3 parts of film-forming auxiliary agent, 8 to 12 parts of silane coupling agent KH570, 8 to 13 parts of silane coupling agent KH590, and 120 to 140 parts of deionized water. The surface treating agent can form a layer of stable coating on aluminum alloy, the coating has the advantages of excellent anti-peeling property and corrosion resistance and is not easy to peel off or foam, the treatment time is short, and no pollution is discharged.

Description

A kind of sherwood oil aluminum alloy surface treatment agent

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Technical field

The present invention relates generally to field of surface treatment, relates in particular to a kind of sherwood oil aluminum alloy surface treatment agent.

Background technology

The surface treatment method of aluminium alloy has a lot, as Physical, chemical method, physico-chemical processes and synthetic method.Conventional method is anonizing now, by electrochemical method, in aluminum alloy surface, form conversion film, although this method can improve the sherwood oil performance of aluminium alloy, but the ability that it conforms, transform rete even not, easily come off, wear resisting property does not improve, and although traditional phosphate conversion and chromating process for treating surface can obtain good effect, but contain zinc in the waste liquid of discharging in treating processes, manganese, nickel, the carcinogenic substances such as the heavy metal ion such as chromium and sub-sherwood oil, environmental pollution is very serious, and metallic surface silanization treatment technology is due to the material of hurm involved environment not, energy consumption in production process is low, technical applications is extensive, be considered to be expected to replace phosphate conversion processing and chromating processing, that recent development direction is protected separately in metallic surface.

Summary of the invention

The object of the invention is just to provide a kind of sherwood oil aluminum alloy surface treatment agent.

The present invention is achieved by the following technical solutions:

A sherwood oil aluminum alloy surface treatment agent, it is comprised of the raw material of following weight parts:

Rizinsan K2 A2 2.4-5, Sodium Citrate 1-2, volcanic ash 0.1-0.2, stearic acid 1.7-3, dibutyl tin laurate 0.1-0.3, poly-adipate glycol 2-3.5, dioctyl ester 0.2-0.4, sherwood oil 0.2-0.4, petroleum sodium sulfonate 0.4-1, the smooth monoleate 0.3-0.5 of sorb, ammonium octamolybdate 0.7-1, magnesium nitrate 3-4.5, film coalescence aid 2-3, silane coupling agent KH570 8-12, silane coupling agent KH590 8-13, deionized water 120-140;

Described film coalescence aid is comprised of the raw material of following weight parts:

Cetomacrogol 1000 20-26, Sodium Silicofluoride 1-2, calcium acetylacetonate 0.2-0.3, ammonium molybdate 0.5-1, Rizinsan K2 A2 1-2, artemisia glue 1-2, Polysorbate 80 1-2, silane coupling agent kh560 0.3-0.5, deionized water 70-80;

Sodium Silicofluoride, ammonium molybdate, silane coupling agent kh560 mixing and ball milling is even, add the 20-30% of above-mentioned deionized water weight, 600-800 rev/min of dispersed with stirring 3-7 minute, obtains dispersion liquid;

Cetomacrogol 1000 is mixed with artemisia glue, the temperature that raises after stirring is 55-60 ℃, add Rizinsan K2 A2, insulated and stirred 2-4 minute, join in remaining deionized water, 100-200 rev/min of dispersed with stirring 4-6 minute, adds above-mentioned dispersion liquid and each raw material of residue, 400-600 rev/min of dispersed with stirring 10-15 minute, obtains described film coalescence aid.

A preparation method for sherwood oil aluminum alloy surface treatment agent, comprises the following steps:

Volcanic ash, sherwood oil are mixed, after stirring, add stearic acid, insulated and stirred 3-5 minute at 50-60 ℃, is cooled to normal temperature;

Petroleum sodium sulfonate, ammonium octamolybdate, magnesium nitrate are mixed to join in above-mentioned deionized water weight, 100-120 rev/min is uniformly mixed 10-15 minute, mix with each raw material of residue, 200-300 rev/min of dispersed with stirring 1-2 hour, obtains described sherwood oil aluminum alloy surface treatment agent.

Advantage of the present invention is:

Surface treatment agent of the present invention can form stable filming in aluminum alloy surface, and this film has good stripper-resistance, erosion resistance, the difficult drop-off of filming, foaming, and the treatment time is short, non-pollution discharge.

Embodiment

Embodiment 1

A sherwood oil aluminum alloy surface treatment agent, it is comprised of the raw material of following weight parts:

Rizinsan K2 A2 2.4, Sodium Citrate 1, volcanic ash 0.2, stearic acid 1.7, dibutyl tin laurate 0.3, poly-adipate glycol 3.5, dioctyl ester 0.4, sherwood oil 0.4, petroleum sodium sulfonate 0.4, the smooth monoleate 0.5 of sorb, ammonium octamolybdate 0.7, magnesium nitrate 3-4.5, film coalescence aid 2, silane coupling agent KH570 12, silane coupling agent KH590 13, deionized water 120-140;

Described film coalescence aid is comprised of the raw material of following weight parts:

Cetomacrogol 1000 26, Sodium Silicofluoride 1, calcium acetylacetonate 0.3, ammonium molybdate 0.5, Rizinsan K2 A2 2, artemisia glue 1, Polysorbate 80 2, silane coupling agent kh560 0.5, deionized water 80;

Sodium Silicofluoride, ammonium molybdate, silane coupling agent kh560 mixing and ball milling is even, add 30%, 800 rev/min of dispersed with stirring 3 minutes of above-mentioned deionized water weight, obtain dispersion liquid;

Cetomacrogol 1000 is mixed with artemisia glue, the temperature that raises after stirring is 60 ℃, add Rizinsan K2 A2, insulated and stirred 2 minutes, join in remaining deionized water, 200 revs/min of dispersed with stirring 6 minutes, add above-mentioned dispersion liquid and each raw material of residue, 600 revs/min of dispersed with stirring 15 minutes, obtain described film coalescence aid.

A preparation method for sherwood oil aluminum alloy surface treatment agent, comprises the following steps:

Volcanic ash, sherwood oil are mixed, after stirring, add stearic acid, insulated and stirred is 5 minutes at 60 ℃, is cooled to normal temperature;

Petroleum sodium sulfonate, ammonium octamolybdate, magnesium nitrate are mixed to join in above-mentioned deionized water weight, and 120 revs/min are uniformly mixed 15 minutes, mix with each raw material of residue, and 300 revs/min of dispersed with stirring 1 hour, obtain described sherwood oil aluminum alloy surface treatment agent.

Using method:

The Al alloy parts carrying out after degreasing, washing is placed in to surface treatment agent of the present invention and floods, working temperature 20-40 ℃, working hour 0.5-1min.

Performance test:

Getting the aluminum alloy plate materials of surface treatment agent processing of the present invention tests, the specification of this sheet material is 80mm * 100mm * 4mm, by this sheet material lateral dissection, carry out spray test, agents useful for same is that concentration is 5% sodium chloride solution, test period 300 hours, measures the bubbling width forming in line of cut one side, and result bubbling width is 0;

Salt tolerance:

It is in 5% sodium chloride solution that this sheet material is immersed in to concentration, soaks 300 hours, and material surface is substantially unchanged, soaks 300 hours, without rust staining, occurs;

Acid resistance:

This sheet material is sprayed to experiment with the 0.05mol/l sulfuric acid that temperature is 23 ℃, and experimental period 20 hours, cleans with clear water, and indoor placement 2 hours, coating surface was unchanged, and nothing is bubbled, nothing comes off, nothing is damaged;

Stripper-resistance:

The paste that this plate surface is coated with to last layer 2-3mm, being put into temperature is 50 ℃, and in the watertight chest that relative humidity is 90-96%, experimental period 24 hours, cleans with clear water after taking-up, and coating surface is without bubbling, without coming off, without damaged.

Claims (2)

1. a sherwood oil aluminum alloy surface treatment agent, is characterized in that what it was comprised of the raw material of following weight parts:

Rizinsan K2 A2 2.4-5, Sodium Citrate 1-2, volcanic ash 0.1-0.2, stearic acid 1.7-3, dibutyl tin laurate 0.1-0.3, poly-adipate glycol 2-3.5, dioctyl ester 0.2-0.4, sherwood oil 0.2-0.4, petroleum sodium sulfonate 0.4-1, the smooth monoleate 0.3-0.5 of sorb, ammonium octamolybdate 0.7-1, magnesium nitrate 3-4.5, film coalescence aid 2-3, silane coupling agent KH570 8-12, silane coupling agent KH590 8-13, deionized water 120-140;

Described film coalescence aid is comprised of the raw material of following weight parts:

Cetomacrogol 1000 20-26, Sodium Silicofluoride 1-2, calcium acetylacetonate 0.2-0.3, ammonium molybdate 0.5-1, Rizinsan K2 A2 1-2, artemisia glue 1-2, Polysorbate 80 1-2, silane coupling agent kh560 0.3-0.5, deionized water 70-80;

Sodium Silicofluoride, ammonium molybdate, silane coupling agent kh560 mixing and ball milling is even, add the 20-30% of above-mentioned deionized water weight, 600-800 rev/min of dispersed with stirring 3-7 minute, obtains dispersion liquid;

Cetomacrogol 1000 is mixed with artemisia glue, the temperature that raises after stirring is 55-60 ℃, add Rizinsan K2 A2, insulated and stirred 2-4 minute, join in remaining deionized water, 100-200 rev/min of dispersed with stirring 4-6 minute, adds above-mentioned dispersion liquid and each raw material of residue, 400-600 rev/min of dispersed with stirring 10-15 minute, obtains described film coalescence aid.

2. a preparation method for sherwood oil aluminum alloy surface treatment agent as claimed in claim 1, is characterized in that comprising the following steps:

Volcanic ash, sherwood oil are mixed, after stirring, add stearic acid, insulated and stirred 3-5 minute at 50-60 ℃, is cooled to normal temperature;

Petroleum sodium sulfonate, ammonium octamolybdate, magnesium nitrate are mixed to join in above-mentioned deionized water weight, 100-120 rev/min is uniformly mixed 10-15 minute, mix with each raw material of residue, 200-300 rev/min of dispersed with stirring 1-2 hour, obtains described sherwood oil aluminum alloy surface treatment agent.