CN102993797A - Alkali-proofing oil-proofing metal antirust paint and preparation method thereof - Google Patents

Abstract

The invention discloses alkali-proofing oil-proofing metal antirust paint and a preparation method thereof. The paint is prepared from pulping raw materials and paint mixing raw materials. A paint film formed by the anti-rust paint has the advantages of high hardness, scratch prevention, strong attachment, salt mist resistance, saline water resistance, acid and alkali resistance, water and oil resistance, recycling on oil paint film surface, paint film hurt prevention, super-strong paint film flexibility and the like. The service life of a conventional paint film can be between 6 and 8 years.

Description

A kind of alkaline-resisting oil resistant metal anti-corrosion paint and preparation method thereof

Technical field

The present invention relates to a kind of metal anti-corrosion paint, specifically a kind of alkaline-resisting oil resistant metal anti-corrosion paint.

Background technology

Various mechanical means appearances all need apply the layer of metal lacquer, and one side increases attractive in appearance, on the other hand dustproof rust resistance and corrosion resistance; Rust proof paint of the prior art produces poisonous, harmful in a large number volatile gases because containing a large amount of volatile organic solvents, polluted air and infringement human health.Rust proof paint ubiquity weather resistance is not good, easily comes off, inadaptable complicated, severe environment.

Summary of the invention

The invention provides a kind of alkaline-resisting oil resistant metal anti-corrosion paint and preparation method thereof, have good mechanical stability, snappiness and surface hardness, good weatherability.

Technical scheme of the present invention is:

A kind of alkaline-resisting oil resistant metal anti-corrosion paint is characterized in that being made by the feed composition of following ingredients weight parts:

Zinc powder 3-8, propylene glycol phenylate 1-3, Wickenol 116 1-3,2,2,4-trimethylammonium 1,3-pentanediol mono isobutyrate 5-10, anti-sedimentation agent 3300S 1-2, flow agent BYK-300 1-2, polyacrylic acid sodium salt SN-5000 1-2, magnesium hydroxide 15-20, dispersion agent LBD-1 1-2, LBCB-1 thixotroping lubricant 1-2, phosphoric acid zinc powder 5-8, aluminium triphosphate 1-2, modified Nano attapulgite 5-10, modified soluble nano silicone colloidal sol 5-10;

The paint raw material:

Pure acrylic latex 30-35, epoxy emulsion 10-15, myo-Inositol hexaphosphate 20-25, double cyclopentenyl ethoxyl methyl acrylate 5-8, heavy alkylbenzene sulfonate 3-5, propylene glycol 50-60, Polyacrylamide 1-2,2-amino-2-methyl-1-propanol 5-8;

The modified Nano attapulgite prepares by the following method:

(1), attapulgite adds (0.8～1.2) g/L potassium permanganate solution and soaked 2-3 hour, pulls out, is washed to neutrality, the metabisulfite solution of putting into again 2-5% soaked, at 60-80 ℃ of lower stirring reaction 3-4 hour;

(2), in soak solution, add 3-4% sodium laurylsulfate, 1-2% Di(dioctylpyrophosphato) ethylene titanate, 2-3% vinyl three ('beta '-methoxy oxyethyl group) silane, the 20-25% aluminium hydroxide that is equivalent to attapulgite weight, high speed dispersion 4200-4500 rev/min, 20-30 minute;

(3) oven dry is pulverized, and makes ultrafine powder;

Modified soluble nano silicone colloidal sol prepares by the following method:

The water-soluble nano grade silica sol adds 4-5% nano-carbon powder, 3-5% silicon-dioxide, is mixed and heated to 50-60 ℃, cooling after 30-40 minute.

The preparation method of described alkaline-resisting oil resistant metal anti-corrosion paint is characterized in that may further comprise the steps:

(1), slurrying: pour pulping raw material into batching kettle and mix, then mixed pulping raw material is transported in the high-speed dispersing kettle and stirs, disperse 50-60 minute, rotating speed 3200-3500 rev/min, slurrying component after the dispersion is transported to carries out the wet type sand milling in the sand mill, disperse, obtain slurry, the slurry mesh-of-grind is less than or equals 40 microns;

(2) paint: add the paint raw material in the slurry that makes, then be transported in the high-speed dispersing kettle and stir, disperse, being transported to of component carried out wet type sand milling, dispersion after disperseing in the sand mill, obtains paint vehicle; Again with 3200-3600 rev/min of high speed dispersion 40-50min;

(3) paint vehicle that makes is transported to vibrating filter and filters and screen, fineness≤40um, the product after then will filtering is packed, warehouse-in.

The paint film that rust proof paint of the present invention forms has the hardness height, and salt spray resistance, salt water resistance, acid and alkali-resistance, water-fast, oil resistant are reusable at old coating surface, can not cause the paint film damage, superpower paint film flexibility etc.The general paint film life-span can reach 6-8.

Embodiment

Alkaline-resisting oil resistant metal anti-corrosion paint, made by the feed composition of following ingredients weight parts (kilogram):

Zinc powder 8, propylene glycol phenylate 3, Wickenol 116 1,2,2,4-trimethylammonium 1,3-pentanediol mono isobutyrate 5, anti-sedimentation agent 3300S 1, flow agent BYK-300 2, polyacrylic acid sodium salt SN-5000 1, magnesium hydroxide 15, dispersion agent LBD-1 1, LBCB-1 thixotroping lubricant 1, phosphoric acid zinc powder 5, aluminium triphosphate 1, modified Nano attapulgite 10, modified soluble nano silicone colloidal sol 10;

The paint raw material:

Pure acrylic latex 30, epoxy emulsion 10, myo-Inositol hexaphosphate 20, double cyclopentenyl ethoxyl methyl acrylate 8, heavy alkylbenzene sulfonate 5, propylene glycol 50, Polyacrylamide 2,2-amino-2-methyl-1-propanol 5;

The modified Nano attapulgite prepares by the following method:

(1), attapulgite adds the 0.8g/L potassium permanganate solution and soaked 2 hours, pulls out, is washed to neutrality, put into again 5% metabisulfite solution and soak, 60-70 ℃ of lower stirring reaction 4 hours;

(2), in soak solution, add 3% sodium laurylsulfate, 2% Di(dioctylpyrophosphato) ethylene titanate, 2% vinyl three ('beta '-methoxy oxyethyl group) silane, 20% aluminium hydroxide that is equivalent to attapulgite weight, high speed dispersion 4200-4500 rev/min, 20-30 minute;

(3) oven dry is pulverized, and makes ultrafine powder;

Modified soluble nano silicone colloidal sol prepares by the following method:

The water-soluble nano grade silica sol adds 5% nano-carbon powder, 3% silicon-dioxide, and mix and blend is heated to 50-60 ℃, cooling after 30-40 minute.

The preparation method of alkaline-resisting oil resistant metal anti-corrosion paint may further comprise the steps:

(1), slurrying: pour pulping raw material into batching kettle and mix, then mixed pulping raw material is transported in the high-speed dispersing kettle and stirs, disperse 50-60 minute, rotating speed 3200-3500 rev/min, slurrying component after the dispersion is transported to carries out the wet type sand milling in the sand mill, disperse, obtain slurry, the slurry mesh-of-grind is less than or equals 40 microns;

(2) paint: add the paint raw material in the slurry that makes, then be transported in the high-speed dispersing kettle and stir, disperse, being transported to of component carried out wet type sand milling, dispersion after disperseing in the sand mill, obtains paint vehicle; Again with 3200-3600 rev/min of high speed dispersion 40-50min;

(3) paint vehicle that makes is transported to vibrating filter and filters and screen, fineness≤40um, the product after then will filtering is packed, warehouse-in.Metal anti-corrosion paint performance index of the present invention:

1, paint film color and outward appearance: smooth smooth, color conformance with standard model and aberration scope

2, (23 ± 1 ℃ are coated with-4 viscometers to viscosity, S): 80-120

3, fineness≤50

4, time of drying (25 ℃): surface drying 25-30min, do solid work 48h

5, snappiness mm≤2

6, hardness 〉=2H

7, high temperature resistant (130 ℃) 〉=450h

8, shock-resistance 50

9, salt spray resistance (120h level) 〉=2

10, water tolerance (29 ± 1 ℃ of 240h): non-foaming, do not come off

11, oil resistant (90# gasoline, 56h): non-foaming, do not come off

12, alkali resistance (GB/T9755-2001): by 48 hours

13, artificial weathering ageing resistance (GB/T9755-2001): by 1000 hours.

Claims (2)

1. alkaline-resisting oil resistant metal anti-corrosion paint is characterized in that being made by the feed composition of following ingredients weight parts:

Pulping raw material:

Zinc powder 3-8, propylene glycol phenylate 1-3, Wickenol 116 1-3,2,2,4-trimethylammonium 1,3-pentanediol mono isobutyrate 5-10, anti-sedimentation agent 3300S 1-2, flow agent BYK-300 1-2, polyacrylic acid sodium salt SN-5000 1-2, magnesium hydroxide 15-20, dispersion agent LBD-1 1-2, LBCB-1 thixotroping lubricant 1-2, phosphoric acid zinc powder 5-8, aluminium triphosphate 1-2, modified Nano attapulgite 5-10, modified soluble nano silicone colloidal sol 5-10;

The paint raw material:

Pure acrylic latex 30-35, epoxy emulsion 10-15, myo-Inositol hexaphosphate 20-25, double cyclopentenyl ethoxyl methyl acrylate 5-8, heavy alkylbenzene sulfonate 3-5, propylene glycol 50-60, Polyacrylamide 1-2,2-amino-2-methyl-1-propanol 5-8;

The modified Nano attapulgite prepares by the following method:

(1), attapulgite adds (0.8～1.2) g/L potassium permanganate solution and soaked 2-3 hour, pulls out, is washed to neutrality, the metabisulfite solution of putting into again 2-5% soaked, at 60-80 ℃ of lower stirring reaction 3-4 hour;

(2), in soak solution, add 3-4% sodium laurylsulfate, 1-2% Di(dioctylpyrophosphato) ethylene titanate, 2-3% vinyl three ('beta '-methoxy oxyethyl group) silane, the 20-25% aluminium hydroxide that is equivalent to attapulgite weight, high speed dispersion 4200-4500 rev/min, 20-30 minute;

(3) oven dry is pulverized, and makes ultrafine powder;

Modified soluble nano silicone colloidal sol prepares by the following method:

The water-soluble nano grade silica sol adds 4-5% nano-carbon powder, 3-5% silicon-dioxide, is mixed and heated to 50-60 ℃, cooling after 30-40 minute.

2. the preparation method of alkaline-resisting oil resistant metal anti-corrosion paint according to claim 1 is characterized in that may further comprise the steps:

(1), slurrying: pour pulping raw material into batching kettle and mix, then mixed pulping raw material is transported in the high-speed dispersing kettle and stirs, disperse 50-60 minute, rotating speed 3200-3500 rev/min, slurrying component after the dispersion is transported to carries out the wet type sand milling in the sand mill, disperse, obtain slurry, the slurry mesh-of-grind is less than or equals 40 microns;

(2) paint: add the paint raw material in the slurry that makes, then be transported in the high-speed dispersing kettle and stir, disperse, being transported to of component carried out wet type sand milling, dispersion after disperseing in the sand mill, obtains paint vehicle; Again with 3200-3600 rev/min of high speed dispersion 40-50min;

(3) paint vehicle that makes is transported to vibrating filter and filters and screen, fineness≤40um, the product after then will filtering is packed, warehouse-in.