CN102925908A - Water-based normal-temperature rustproof spray cleaning agent - Google Patents

Abstract

The invention relates to a water-based normal-temperature rustproof spray cleaning agent. The cleaning agent comprises the following raw materials in percentages by weight: 20-25% of HEDP-4NA ((1-hydroxyethylidene)bis-phosphonic acid tetrasodium salt), 0.5-5% of sodium metasilicate, 5-8% of triethanolamine, 1-5% of monoethanolamine, 2-3% of binary acid, 3-8% of surfactant H-381, 0.2-1% of benzotriazole, and the balance of water. The cleaning agent disclosed by the invention is simple in application method, and obvious in effect; the cleaning agent can be used in high-pressure spray, ultrasonic and soaking modes, and is less in application amount; and the cleaning agent does not corrode metals, and can be used without heating at normal temperature, therefore, the cleaning agent is simple and safe in application, saves energy and working time, and improves the working efficiency.

Description

The antirust spray clean-out system of a kind of water base normal temperature

Technical field

The invention belongs to the antirust field of matting, relate to anti-rust cleaning agent, the antirust spray clean-out system of especially a kind of water base normal temperature.

Background technology

At cleaning industry especially in the normal temperature workpiece cleaning, part has corrosion soon after cleaning, especially the antirust spray clean-out system of water base normal temperature, workpiece does not reach the cleaning quality standard-required after cleaning, not that greasy dirt can't is washed off clearly, be exactly that workpiece is corroded, do not have rust inhibition, also having is exactly to place for some time workpiece after cleaning just to begin variable color.

Summary of the invention

The object of the invention is to overcome the deficiency of existing technology, and provide a kind of safety, environmental protection, the saving energy, the harmless antirust spray clean-out system of normal temperature, this clean-out system does not corrode aluminium, copper, iron and steel parts, and can increase the light of workpiece, and at normal temperatures greasy dirt washing power reaches spray clean-out system quality standard and can reach the antirust requirement of inter process.

The present invention realizes that the technical scheme of purpose is:

The antirust spray clean-out system of a kind of water base normal temperature, its raw material consists of and weight percentage ranges is respectively:

And described tensio-active agent H-381 is the isomery fatty alcohol-polyoxyethylene ether.

The preparation method of the antirust spray clean-out system of a kind of water base normal temperature, the step of preparation is as follows:

⑴ will react water gaging and add in the reactor, add metasilicate pentahydrate sodium between 25-40 ℃, HEDP4NA is stirred to whole dissolvings, adds tensio-active agent H-381 again and stirs 20 minutes, forms solution A;

⑵ add trolamine, Monoethanolamine MEA BASF, diprotic acid, the benzotriazole of reacting weight in another reactor, react at 40-60 ℃, until react completely, keeps 40-60 ℃ of temperature of reaction in the reaction process, obtains solution B;

⑶ carry out hybrid reaction to transparent liquid with above-mentioned A, two kinds of solution of B, namely becomes the antirust spray clean-out system of water base normal temperature.

Advantage of the present invention and beneficial effect are:

1, the present invention is weakly alkaline normal temperature anti-rust cleaning agent, is comprised of organic additive, inorganic assistant agent, rust-preventive agent, emulsifying agent and tensio-active agent, and raw materials used wide material sources obtain easily, and usage quantity is few, is applicable to large-scale explained hereafter.

2, the simple science of the mechanism of action of the present invention, at first be that selected raw material also can keep very low foam after composite, the various performances of composite rear each raw material all are enhanced and improve, and wherein metasilicate pentahydrate sodium provides stable pH value, play the effect of protection corrosive protection of aluminium alloy erosion; Tensio-active agent H-381 and metasilicate pentahydrate sodium can play the greasy dirt effect that disperses of cleaning; Trolamine, Monoethanolamine MEA BASF, diprotic acid, benzotriazole can be worked in coordination with antirust and protection to metal.

3, but the present invention's normal temperature cleans, and antirust function is arranged, and metal is not corroded, and can increase workpiece brightness, and workpiece makes clean-out system reach best effect without hickie by the above mechanism of action after cleaning, and uses simply, cleans, antirustly once finishes.。

4, using method simple effects of the present invention is obvious, but high-pressure spraying, ultrasonic wave, immersion use, usage quantity is low, corroding metal not, normal temperature just can use and need not heat, use simple, safety, save energy, is increased work efficiency at saving man-hour.

Embodiment

Below in conjunction with embodiment, the present invention is further described, and following embodiment is illustrative, is not determinate, can not limit protection scope of the present invention with following embodiment.

At first explanation is, the raw materials used commercially available prod that is of the embodiment of the invention, and wherein, tensio-active agent H-381 is the isomery fatty alcohol-polyoxyethylene ether, is Nanning City's product that company limited produces of just shining.

Embodiment 1:

The antirust spray clean-out system of a kind of water base normal temperature, its raw material consists of and weight percent is respectively:

The preparation method of the antirust spray clean-out system of a kind of water base normal temperature, step is as follows:

⑴ will react water gaging and add in the reactor, add HEDP-4NA, the metasilicate pentahydrate sodium of reacting weight between 25-40 ℃, keep reaction 20 minutes, add tensio-active agent H-381 again and keep reaction 20 minutes, get solution A;

⑵ add trolamine, Monoethanolamine MEA BASF, diprotic acid, benzotriazole reaction to fully again in reactor, keep 40-60 ℃ of temperature of reaction kettle in the reaction process, continues to stir 3 hours, until solution is as clear as crystal, gets solution B;

⑶ react above-mentioned two kinds of A, the mixing of B solution to transparent liquid, namely becomes the antirust spray clean-out system of normal temperature.

Application example: the first liquid bath is in the concentration (the antirust spray clean-out system of normal temperature that adds embodiment 1) of water and the antirust spray clean-out system of normal temperature ratio 20:1, the metal parts (aluminium, copper and cast iron subassembly) that need are cleaned is placed in the spray cleaning equipment, regulate spray pressure 0.3MPa, cleaning temperature is controlled at 25-30 ℃, adjust spray cleaning equipment streamline travelling speed, begin spray and clean, make the effective spray time of metal parts be controlled at 1 minute, then use hot blast drying.The second groove is in the concentration (the antirust spray clean-out system of normal temperature that adds embodiment 1) of water and the antirust spray clean-out system of normal temperature ratio 25:1, and then spray rinsing 1 minute uses hot blast drying.

Workpiece after the cleaning, not corrosion, the workpiece light, rust-proof life 15 days, 10 centimetres of foams are to be issued to client's cleaning requirement.

Embodiment 2:

The antirust spray clean-out system of a kind of water base normal temperature, its raw material and weight percent thereof are respectively:

The preparation method of the present embodiment is same as embodiment 1.

Application example: the first groove is in the concentration (the antirust spray clean-out system of normal temperature that adds embodiment 2) of water and the antirust spray clean-out system of normal temperature ratio 20:1, the mixed solution of the antirust spray clean-out system of the normal temperature of embodiment 2 and water, metal parts (aluminium with the need cleaning, copper and subassembly) be placed in the spray cleaning equipment, regulate spray pressure 0.3MPa, cleaning temperature is controlled at 25-30 ℃, adjust spray cleaning equipment streamline travelling speed, beginning spray cleans, make the effective spray time of metal parts be controlled at 2 minutes, the second groove used the clear water spray rinsing 2 minutes, then used hot blast drying.

Workpiece nondiscoloration after cleaning, high, the bright foam of workpiece of burn into cleanliness factor below 10 centimetres not.

Conclusion: the antirust spray clean-out system of normal temperature can be eliminated the foam because of the spray generation automatically in cleaning process, and the workpiece surface after the cleaning is without greasy dirt, the not requirement of burn into workpiece light, antirust 10-15 days satisfied industry spray cleaning.

The antirust spray clean-out system of this normal temperature quality standard:

。

Claims (3)

1. antirust spray clean-out system of water base normal temperature is characterized in that: its raw material consists of and weight percentage ranges is respectively:

2. the antirust spray clean-out system of water base normal temperature according to claim 1, it is characterized in that: described tensio-active agent H-381 is the isomery fatty alcohol-polyoxyethylene ether.

3. the preparation method of the antirust spray clean-out system of water base normal temperature as claimed in claim 1, it is characterized in that: the step of preparation is as follows:

⑴ will react water gaging and add in the reactor, add metasilicate pentahydrate sodium between 25-40 ℃, HEDP-4NA is stirred to whole dissolvings, adds tensio-active agent H-381 again and stirs 20 minutes, forms solution A;

⑵ add trolamine, Monoethanolamine MEA BASF, diprotic acid, the benzotriazole of reacting weight in another reactor, react at 40-60 ℃, until react completely, keeps 40-60 ℃ of temperature of reaction in the reaction process, obtains solution B;

⑶ carry out hybrid reaction to transparent liquid with above-mentioned A, two kinds of solution of B, namely becomes the antirust spray clean-out system of water base normal temperature.