CN104099018A - Double-component aluminium alloy surface treating agent - Google Patents

Abstract

The invention discloses a double-component aluminium alloy surface treating agent. The double-component aluminium alloy surface treating agent consists of a component A and a component B, wherein the component A comprises the following constituents: 1 to 2 of dodecyl glucoside, 0.5 to 1 of peppermint oil, 1 to 2 of alkenyl succinic anhydride, 0.1 to 0.4 of triethyl phosphate, 1 to 2 of benzyl triethyl ammonium chloride, 0.1 to 0.2 of 4-dimethylaminopyridine, 2 to 4 of anhydrous ethanol, 5 to 7 of silane coupling agent KH560 and 50 to 60 of deionized water; the component B comprises the following constituents: 0.4 to 1 of magnesium fluoride, 1 to 2 of potassium dihydrogen phosphate, 1 to 2 of ammonium molybdate, 2 to 3 of ethanediol, 0.2 to 0.3 of illite powder, 2 to 4 of film coalescing agent, 6 to 10 of 3-amidogen propyl trimethoxy silane and 50 to 60 of the deionized water. The surface treatment agent provided by the invention is simple in preparation method, convenient to use, less in generated sediment, good in formed coating film, high in adhesive property for metal workpieces and good in stripping-resistance.

Description

A kind of two component 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 two component 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, form conversion film by electrochemical method in aluminum alloy surface, although this method can improve two component performances 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-two components, 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, being considered to be expected to replace phosphate conversion processes 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 two component aluminum alloy surface treatment agent.

The present invention is achieved by the following technical solutions:

A kind of two component aluminum alloy surface treatment agent, it is made up of A, B two components, and described A component is made up of the raw material of following weight parts:

Lauryl glucosyl 1-2, Peppermint Oil 0.5-1, alkenyl succinic anhydride 1-2, triethyl phosphate 0.1-0.4, benzyltriethylammoinium chloride 1-2, DMAP 0.1-0.2, dehydrated alcohol 2-4, silane coupling agent KH560 5-7, deionized water 50-60;

Described B component is made up of the raw material of following weight parts:

Magnesium fluoride 0.4-1, potassium primary phosphate 1-2, ammonium molybdate 1-2, ethylene glycol 2-3, the stone flour 0.2-0.3 of Erie, film coalescence aid 2-4,3-TSL 8330 6-10, deionized water 50-60;

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

Acrylate and vinyl acetate emulsion 25-30, tea saponin 1-2, pyrrolidone hydroxy acid sodium 1-2, hydroxy silicon oil 0.1-0.3, trimethylene phosphonic 2-3, allyl polyglycol 0.7-1, Zinic stearas 0.3-0.4,1,2 dimethylimidazole 0.2-0.3, deionized water 80-90;

Pyrrolidone hydroxy acid sodium is joined in acrylate and vinyl acetate emulsion, add hydroxy silicon oil, 100-200 rev/min of dispersed with stirring 3-5 minute;

Tea saponin is mixed with allyl polyglycol, add the 40-60% of above-mentioned deionized water weight, at 60-70 DEG C, be uniformly mixed 6-10 minute, add Zinic stearas, 100-200 rev/min of dispersed with stirring 4-6 minute;

Above-mentioned each raw material after treatment is mixed with the each raw material of residue, and 400-600 rev/min of dispersed with stirring 20-30 minute, obtains described film coalescence aid.

A preparation method for pair component aluminum alloy surface treatment agent, comprises the following steps:

Above-mentioned A component is mixed to 100-160 rev/min of dispersed with stirring 20-30 minute;

Above-mentioned B component is mixed to 200-230 rev/min of dispersed with stirring 10-20 minute;

Above-mentioned each raw material after treatment is mixed, and 400-600 rev/min of dispersed with stirring 1-2 hour, obtains described pair of component aluminum alloy surface treatment agent.

Advantage of the present invention is:

Surface treatment agent preparation method of the present invention is simple, easy to use, and the sediment of generation is few, the good in oxidation resistance of the film of formation, and high to the cohesiveness of metal works, stripper-resistance is strong.

Embodiment

Embodiment 1

A kind of two component aluminum alloy surface treatment agent, is characterized in that it is made up of A, B two components, and described A component is made up of the raw material of following weight parts:

Lauryl glucosyl 1, Peppermint Oil 0.5, alkenyl succinic anhydride 2, triethyl phosphate 0.4, benzyltriethylammoinium chloride 2, DMAP 0.2, dehydrated alcohol 2, silane coupling agent KH560 7, deionized water 60;

Described B component is made up of the raw material of following weight parts:

Magnesium fluoride 0.4, potassium primary phosphate 1, ammonium molybdate 1, ethylene glycol 2, Erie's stone flour 0.3, film coalescence aid 2,3-TSL 8330 10, deionized water 60;

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

Acrylate and vinyl acetate emulsion 30, tea saponin 2, pyrrolidone hydroxy acid sodium 2, hydroxy silicon oil 0.3, trimethylene phosphonic 2, allyl polyglycol 0.7, Zinic stearas 0.4,1,2 dimethylimidazole 0.3, deionized water 90;

Pyrrolidone hydroxy acid sodium is joined in acrylate and vinyl acetate emulsion, add hydroxy silicon oil, 200 revs/min of dispersed with stirring 3-5 minute;

Tea saponin is mixed with allyl polyglycol, add 60% of above-mentioned deionized water weight, at 70 DEG C, be uniformly mixed 10 minutes, add Zinic stearas, 200 revs/min of dispersed with stirring 6 minutes;

Above-mentioned each raw material after treatment is mixed with the each raw material of residue, and 600 revs/min of dispersed with stirring 30 minutes, obtain described film coalescence aid.

A preparation method for pair component aluminum alloy surface treatment agent, comprises the following steps:

Above-mentioned A component is mixed to 160 revs/min of dispersed with stirring 30 minutes;

Above-mentioned B component is mixed to 200-230 rev/min of dispersed with stirring 20 minutes;

Above-mentioned each raw material after treatment is mixed, and 600 revs/min of dispersed with stirring 2 hours, obtain described pair of component 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 DEG C, 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, occurs without rust staining;

Acid resistance:

This sheet material is sprayed to experiment with the 0.05mol/l sulfuric acid that temperature is 23 DEG C, 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 DEG C, 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. two component aluminum alloy surface treatment agents, is characterized in that it is made up of A, B two components, and described A component is made up of the raw material of following weight parts:

Lauryl glucosyl 1-2, Peppermint Oil 0.5-1, alkenyl succinic anhydride 1-2, triethyl phosphate 0.1-0.4, benzyltriethylammoinium chloride 1-2, DMAP 0.1-0.2, dehydrated alcohol 2-4, silane coupling agent KH560 5-7, deionized water 50-60;

Described B component is made up of the raw material of following weight parts:

Magnesium fluoride 0.4-1, potassium primary phosphate 1-2, ammonium molybdate 1-2, ethylene glycol 2-3, the stone flour 0.2-0.3 of Erie, film coalescence aid 2-4,3-TSL 8330 6-10, deionized water 50-60;

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

Acrylate and vinyl acetate emulsion 25-30, tea saponin 1-2, pyrrolidone hydroxy acid sodium 1-2, hydroxy silicon oil 0.1-0.3, trimethylene phosphonic 2-3, allyl polyglycol 0.7-1, Zinic stearas 0.3-0.4,1,2 dimethylimidazole 0.2-0.3, deionized water 80-90;

Pyrrolidone hydroxy acid sodium is joined in acrylate and vinyl acetate emulsion, add hydroxy silicon oil, 100-200 rev/min of dispersed with stirring 3-5 minute;

Tea saponin is mixed with allyl polyglycol, add the 40-60% of above-mentioned deionized water weight, at 60-70 DEG C, be uniformly mixed 6-10 minute, add Zinic stearas, 100-200 rev/min of dispersed with stirring 4-6 minute;

Above-mentioned each raw material after treatment is mixed with the each raw material of residue, and 400-600 rev/min of dispersed with stirring 20-30 minute, obtains described film coalescence aid.

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

Above-mentioned A component is mixed to 100-160 rev/min of dispersed with stirring 20-30 minute;

Above-mentioned B component is mixed to 200-230 rev/min of dispersed with stirring 10-20 minute;

Above-mentioned each raw material after treatment is mixed, and 400-600 rev/min of dispersed with stirring 1-2 hour, obtains described pair of component aluminum alloy surface treatment agent.