CN102993794A - Refractory anti-rust paint for ship and preparation method of paint - Google Patents

Abstract

The invention provides a refractory anti-rust paint for a ship, which comprises the following components based on parts by weight: 30-35 parts of styrene-acrylic emulsion, 10-15 parts of styrene, 0.3-0.5 part of sodium laurylsulfate, 0.1-0.3 part of stannous pyrophosphate, 0.2-0.3 part of antirust agent, 1-2 parts of methyl ethyl ketone, 1-2 parts of triethanolamine, 5-8 parts of magnesium hydroxide, 3-5 parts of ammonium polyphosphate, 8-10 parts of zinc powder, 8-10 parts of mica iron oxide, 3-5 parts of modified nano-sepiolite, 8-10 parts of barium boron oxide, 3-5 parts of modified nano-silica sol, 2-5 parts of potassium silicate and 0.1-0.3 part of a polysiloxane defoaming agent. The home-made antirust agent and modified nano-sepiolite are mixed with other raw materials in the formulation, so that the finial product can be produced by grinding. Furthermore, the refractory anti-rust paint has good corrosion resistance, good flame retardant property and high adhesive force to the base material, is environment-friendly and does not cause environmental pollution, thus being an environment-friendly paint. The refractory anti-rust paint is suitable for surface rust protection and protective decoration operation of various ships, railway vehicles, container loading automobiles, tractors, petrifaction facilities, oil field equipment and all steel structures.

Description

A kind of fire-resistant rust-inhibiting paint peculiar to vessel and preparation method thereof of taking turns

Technical field:

The present invention relates to a kind of paint, be specifically related to a kind of fire-resistant rust-inhibiting paint peculiar to vessel and preparation method thereof of taking turns.

Background technology:

Along with the development of society, paint when playing beauty function, also has provide protection in the widespread use of various fields, has corrosion-resistant, ageing-resistant effect.For example in the application of metallic surface, effect attractive in appearance, protection possesses simultaneously.But because paint also is to be made of chemical substances such as resins, easily burning.Although paint can play the function that stops oxidation by isolated metallic surface, but because common paint ingredients itself does not possess antirust effect, therefore, through being subject to the invasion and attack of external environment after the long period, the metallic surface is easy oxidation and rusting, especially boats and ships outside surface still, because the environment invasion and attack are serious, more get rusty easily, cause damage.

Goal of the invention:

The invention provides a kind of fire-resistant rust-inhibiting paint peculiar to vessel and preparation method thereof of taking turns, this paint application is at substrate surface,, waterproof antirust except having, anticorrosion, the wear resisting property, also has heat-resisting, flame retardant properties, the characteristics such as strong adhesion.

The technical solution used in the present invention is as follows for achieving the above object:

A kind ofly take turns fire-resistant rust-inhibiting paint peculiar to vessel, it is characterized in that its component by following weight part is made:

Benzene emulsion 30-35, vinylbenzene 10-15, sodium laurylsulfate 0.3-0.5, stannous pyrophosphate 0.1-0.3, rust-preventive agent 0.2-0.3, methylethylketone 1-2, trolamine 1-2, magnesium hydroxide 5-8, ammonium polyphosphate 3-5, zinc powder 8-10, iron mica 8-10, modified Nano sepiolite 3-5, barium metaborate 8-10, modified Nano silicon sol 3-5, potassium silicate 2-5, polysiloxane defoamers 0.1-0.3

The modified Nano grade silica sol prepares by the following method:

Nano silicone colloidal sol adds 4-5% nano-carbon powder, 3-5% ferrotitanium powder, is mixed and heated to 50-60 ℃, and cooling gets final product after high-speed stirring 30-40 minute;

The preparation method of described modified Nano sepiolite is: a, at first sepiolite is activated: 85 ℃ of activation conditions, and then 45h crosses 150 mesh sieves; B, use hydrochloric Acid Modification: with 0.5mol/LHCl sepiolite is carried out modification, solid-to-liquid ratio (g/ml) 1:3 is oscillation treatment 8h, then centrifugation in 55 ℃ the constant temperature oscillator in temperature, add deionized water wash to pH value about 6, centrifugation is placed in 55 ℃ the loft drier and dries;

Modification is carried out in c, the coupling of dried sepiolite recycle silicon alkane, and concrete operations are as follows:

Take by weighing the silane coupling agent KH792 of dry sepiolite quality 2%, 2-3% vinyl three ('beta '-methoxy oxyethyl group) silane, 20-25% ferrophosphorus powder, high speed dispersion 4300-4500 rev/min, 20-30 minute;

The sepiolite that coupling agent treatment is good takes out, and cleans with a small amount of ethanolic soln first and then repeatedly washes with deionized water, filters to be neutral, and the sepiolite oven dry with cleaning up grinds to form the superfine nano powder, can obtain the modified Nano sepiolite;

Described rust-preventive agent is that the component by following weight part is prepared from: oxalic acid 49-51, aluminium powder 0.8-0.9, gelatin 0.3-0.5, aluminium dihydrogen tripolyphosphate 0.2-0.4, white carbon black 1-2, water is added to total amount 100, after formula material added mixing and stirring in proportion successively, filter impurity elimination through grinding, get final product.

Described a kind of production method of taking turns fire-resistant rust-inhibiting paint peculiar to vessel is characterized in that, formula material is mixed in proportion, and then is ground to particle diameter 25-40um,, stir after 25 minutes, with 280 order filter-cloth filterings, get product.

Using method:

1, before the use substrate surface drying be must be cleaned, dust and greasy dirt removed;

2, stir;

3, directly brushing, spraying, roller application all can;

12-14 square metres of every 1kg coating areas.

Beneficial effect:

The present invention is a kind of to take turns fire-resistant rust-inhibiting paint peculiar to vessel, has good corrosion resistance, anti-good, flame retardant properties is good, to the strong adhesion of base material, simultaneously environmental protection, free from environmental pollution, be environmental protection paint.

Be widely used in various steamers, coasting port facility, rail vehicle, payload of freight container automobile, tractor, petrochemical industry facility, the various pipelines of oil field equipment, oil tank, the surperficial antirust and protection decorative operation of all iron structures.

Embodiment

Embodiment

A kind ofly take turns fire-resistant rust-inhibiting paint peculiar to vessel, its component by following weight part is made:

Benzene emulsion emulsion 33, vinylbenzene 14, sodium laurylsulfate 0.4, stannous pyrophosphate 0.2, rust-preventive agent 0.22, methylethylketone 1.5, trolamine 1.5, magnesium hydroxide 7, ammonium polyphosphate 4, zinc powder 9, iron mica 9, modified Nano sepiolite 4, barium metaborate 9, modified Nano silicon sol 4, potassium silicate 3, polysiloxane defoamers 0.2

The preparation method:

1, preparation modified Nano sepiolite:

A, at first sepiolite is activated: 85 ℃ of activation condition temperature, then soak time 45h crosses 150 mesh sieves;

B, use hydrochloric Acid Modification: with 0.5mol/LHCl sepiolite is carried out modification, solid-to-liquid ratio (g/ml) 1:3 is oscillation treatment 8h, then centrifugation in 55 ℃ the constant temperature oscillator in temperature, add deionized water wash to pH value about 6, centrifugation is placed in 55 ℃ the loft drier and dries;

Modification is carried out in c, the coupling of dried sepiolite recycle silicon alkane, and concrete operations are as follows:

Take by weighing the silane coupling agent KH792 of dry sepiolite quality 2%, 2-3% vinyl three ('beta '-methoxy oxyethyl group) silane, 20-25% ferrophosphorus powder, high speed dispersion 4300-4500 rev/min, 20-30 minute;

The sepiolite that coupling agent treatment is good takes out, and cleans with a small amount of ethanolic soln first and then repeatedly washes with deionized water, filters to be neutral, and the sepiolite oven dry with cleaning up grinds to form the superfine nano powder, can obtain the modified Nano sepiolite;

2, preparation modified Nano grade silica sol:

Nano silicone colloidal sol adds 4-5% nano-carbon powder, 3-5% ferrotitanium powder, is mixed and heated to 50-60 ℃, and cooling gets final product after high-speed stirring 30-40 minute;

3, preparation rust-preventive agent: take by weighing by weight oxalic acid 50, iron mica 0.85, gelatin 0.4, aluminium dihydrogen tripolyphosphate 0.3, white carbon black 1.5, water is added to total amount 100,

The raw material that takes by weighing is joined in the stirrer successively, after the mixing and stirring, is 35um through being ground to particle diameter more fully, crosses 350 mesh filter screens, and impurity elimination gets final product;

4, fire-resistant automobile is mixed in proportion above-mentioned raw materials with the production method of rust-inhibiting paint by prescription, then is ground to particle diameter 25-40um,, stir after 25 minutes, with 280 order filter-cloth filterings, namely get this finished product.

The Performance Detection of the wheel fire-resistant rust-inhibiting paint peculiar to vessel that present embodiment is made, result such as following table 1:

Remarks: (1) above data are under standard environment, and namely temperature is 23 ± 2 ℃, gained under relative humidity (50 ± 5) the % condition;

(2) the actual drying time of paint film can change with the variation of outside temperature and humidity.

Fire testing

The fire-resistant automobile rust-inhibiting paint of taking cladding process that present embodiment is made, repeatedly be painted on steel plate one side of 110mm * 110mm * 2mm, drying at room temperature 8 days adopts alcohol blast burner that coating sample is carried out the fire performance test, and samples vertical is installed on the homemade combustion testing equipment, coat side down, steel plate is carried on the back fiery face thermopair and data collecting instrument is housed, and guarantees flame flame envelope contact coating, begins timing during flame contact coating, 3 models of average test are averaged, and obtain table 2.

Table 2

As can be seen from Table 2, this paint fire performance is good, has obvious flame retardant properties.

Claims (2)

1. take turns fire-resistant rust-inhibiting paint peculiar to vessel for one kind, it is characterized in that its component by following weight part is made:

Benzene emulsion 30-35, vinylbenzene 10-15, sodium laurylsulfate 0.3-0.5, stannous pyrophosphate 0.1-0.3, rust-preventive agent 0.2-0.3, methylethylketone 1-2, trolamine 1-2, magnesium hydroxide 5-8, ammonium polyphosphate 3-5, zinc powder 8-10, iron mica 8-10, modified Nano sepiolite 3-5, barium metaborate 8-10, modified Nano silicon sol 3-5, potassium silicate 2-5, polysiloxane defoamers 0.1-0.3

The modified Nano grade silica sol prepares by the following method:

Nano silicone colloidal sol adds 4-5% nano-carbon powder, 3-5% ferrotitanium powder, is mixed and heated to 50-60 ℃, and cooling gets final product after high-speed stirring 30-40 minute;

The preparation method of described modified Nano sepiolite is: a, at first sepiolite is activated: 85 ℃ of activation conditions, and then 45h crosses 150 mesh sieves; B, use hydrochloric Acid Modification: with 0.5mol/LHCl sepiolite is carried out modification, solid-to-liquid ratio (g/ml) 1:3 is oscillation treatment 8h, then centrifugation in 55 ℃ the constant temperature oscillator in temperature, add deionized water wash to pH value about 6, centrifugation is placed in 55 ℃ the loft drier and dries;

Modification is carried out in c, the coupling of dried sepiolite recycle silicon alkane, and concrete operations are as follows:

Take by weighing the silane coupling agent KH792 of dry sepiolite quality 2%, 2-3% vinyl three ('beta '-methoxy oxyethyl group) silane, 20-25% ferrophosphorus powder, high speed dispersion 4300-4500 rev/min, 20-30 minute;

The sepiolite that coupling agent treatment is good takes out, and cleans with a small amount of ethanolic soln first and then repeatedly washes with deionized water, filters to be neutral, and the sepiolite oven dry with cleaning up grinds to form the superfine nano powder, can obtain the modified Nano sepiolite;

Described rust-preventive agent is that the component by following weight part is prepared from: oxalic acid 49-51, aluminium powder 0.8-0.9, gelatin 0.3-0.5, aluminium dihydrogen tripolyphosphate 0.2-0.4, white carbon black 1-2, water is added to total amount 100, after formula material added mixing and stirring in proportion successively, filter impurity elimination through grinding, get final product.

2. a kind of production method of taking turns fire-resistant rust-inhibiting paint peculiar to vessel according to claim 1 is characterized in that, formula material is mixed in proportion, and then is ground to particle diameter 25-40um,, stir after 25 minutes, with 280 order filter-cloth filterings, get product.