CN102888170A - Salt mist resistant metal antirust paint and preparation method thereof - Google Patents

Abstract

The invention discloses a salt mist resistant metal antirust paint and a preparation method of the salt mist resistant metal antirust paint. The salt mist resistant metal antirust paint is prepared by a pulping raw material and a paint mixing raw material. A paint film formed by the antirust paint disclosed by the invention has high hardness and high attaching force, and is scratching-resistant, salt mist-resistant, brine-resistant, acid-base resistant, waterproof, and oilproof; the paint film can be repeatedly utilized on the surface of old paint film without being damaged, therefore, super flexibility of the paint film is ensured; and generally, the service life of the paint film can be up to 8 to 10 years.

Description

A kind of salt spray resistance metallic anti-rust paint and preparation method thereof

Technical field

The present invention relates to a kind of metallic anti-rust paint, specifically a kind of salt spray resistance metallic anti-rust 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-inhibiting 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.The ubiquity weather resistance is not good, easily comes off, inadaptable complicated, severe environment.

Summary of the invention

The invention provides a kind of salt spray resistance metallic anti-rust paint and preparation method thereof, have good mechanical stability, snappiness and surface hardness, good weatherability.

Technical scheme of the present invention is:

The salt spray resistance metallic anti-rust paint is characterized in that being made by the feed composition of following ingredients weight parts:

Pulping raw material:

Zinc powder 3-8, paraffin wax emulsions 5-8, vinylformic acid 5-10, hexylene glycol monobutyl ether acetate 5-10, hexylene glycol monobutyl ether acetate 3-5, anti-sedimentation agent 3300S 1-2, flow agent BYK-300 1-2, polyacrylic acid sodium salt SN-5000 1-2, defoamer SPA202 1-2, talcum powder 10-15, modified Nano diatomite in powder 5-10, modified soluble nano silicone colloidal sol 5-10;

The paint raw material:

Polyvinyl acetate emulsion 10-15, epoxy emulsion 25-30, myo-Inositol hexaphosphate 30-35, polyvinylpyrrolidone 5-10, sodium laurylsulfate 3-5, propylene glycol 50-60, receive base bentonite 10-15, urea 5-8,2-amino-2-methyl-1-propanol 3-5;

The modified Nano diatomite in powder prepares by the following method:

(1), diatomite in powder adds (0.8～1.2) g/L potassium permanganate solution and soaked 2-3 hour, pulls out, is washed to neutrality, the sodium radio-phosphate,P-32 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% ferrophosphorus powder that is equivalent to diatomite in powder weight, high speed dispersion 4200-4500 rev/min, 20-30 minute;

(3) oven dry is pulverized, and makes nanometer 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% ferric oxide, is mixed and heated to 50-60 ℃, cooling after 30-40 minute.

Described salt spray resistance metallic anti-rust paint is characterized in that being made by the feed composition of following ingredients weight parts:

Pulping raw material:

Zinc powder 3, paraffin wax emulsions 8, vinylformic acid 6, hexylene glycol monobutyl ether acetate 8, hexylene glycol monobutyl ether acetate 4, anti-sedimentation agent 3300S 1, flow agent BYK-300 2, polyacrylic acid sodium salt SN-5000 2, defoamer SPA202 2, talcum powder 10, modified Nano diatomite in powder 10, modified soluble nano silicone colloidal sol 10;

The paint raw material:

Polyvinyl acetate emulsion 10, epoxy emulsion 30, myo-Inositol hexaphosphate 35, polyvinylpyrrolidone 10, sodium laurylsulfate 3, propylene glycol 50, receive base bentonite 10, urea 5,2-amino-2-methyl-1-propanol 3.

The preparation method of described salt spray resistance metallic anti-rust 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-inhibiting paint of the present invention forms has that hardness is high, a damage resistant, strong adhesion, 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 8-10.

Embodiment

The salt spray resistance metallic anti-rust paint, made by the feed composition of following ingredients weight parts (kilogram):

Pulping raw material:

Zinc powder 3, paraffin wax emulsions 8, vinylformic acid 6, hexylene glycol monobutyl ether acetate 8, hexylene glycol monobutyl ether acetate 4, anti-sedimentation agent 3300S 1, flow agent BYK-300 2, polyacrylic acid sodium salt SN-5000 2, defoamer SPA202 2, talcum powder 10, modified Nano diatomite in powder 10, modified soluble nano silicone colloidal sol 10;

The paint raw material:

Polyvinyl acetate emulsion 10, epoxy emulsion 30, myo-Inositol hexaphosphate 35, polyvinylpyrrolidone 10, sodium laurylsulfate 3, propylene glycol 50, receive base bentonite 10, urea 5,2-amino-2-methyl-1-propanol 3.

The modified Nano diatomite in powder prepares by the following method:

(1), diatomite in powder adds the 0.8g/L potassium permanganate solution and soaked 2 hours, pulls out, is washed to neutrality, put into again 5% sodium radio-phosphate,P-32 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, the 20% ferrophosphorus powder that is equivalent to diatomite in powder weight, high speed dispersion 4200-4500 rev/min, 20-30 minute;

(3) oven dry is pulverized, and makes nanometer 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% ferric oxide, and mix and blend is heated to 50-60 ℃, cooling after 30-40 minute.

The preparation method of salt spray resistance metallic anti-rust paint:

(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.

Metallic anti-rust 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 (3)

1. salt spray resistance metallic anti-rust paint is characterized in that being made by the feed composition of following ingredients weight parts:

Pulping raw material:

Zinc powder 3-8, paraffin wax emulsions 5-8, vinylformic acid 5-10, hexylene glycol monobutyl ether acetate 5-10, hexylene glycol monobutyl ether acetate 3-5, anti-sedimentation agent 3300S 1-2, flow agent BYK-300 1-2, polyacrylic acid sodium salt SN-5000 1-2, defoamer SPA202 1-2, talcum powder 10-15, modified Nano diatomite in powder 5-10, modified soluble nano silicone colloidal sol 5-10;

The paint raw material:

Polyvinyl acetate emulsion 10-15, epoxy emulsion 25-30, myo-Inositol hexaphosphate 30-35, polyvinylpyrrolidone 5-10, sodium laurylsulfate 3-5, propylene glycol 50-60, receive base bentonite 10-15, urea 5-8,2-amino-2-methyl-1-propanol 3-5;

The modified Nano diatomite in powder prepares by the following method:

(1), diatomite in powder adds (0.8～1.2) g/L potassium permanganate solution and soaked 2-3 hour, pulls out, is washed to neutrality, the sodium radio-phosphate,P-32 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% ferrophosphorus powder that is equivalent to diatomite in powder weight, high speed dispersion 4200-4500 rev/min, 20-30 minute;

(3) oven dry is pulverized, and makes nanometer 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% ferric oxide, is mixed and heated to 50-60 ℃, cooling after 30-40 minute.

2. salt spray resistance metallic anti-rust paint according to claim 1 is characterized in that being made by the feed composition of following ingredients weight parts:

Pulping raw material:

Zinc powder 3, paraffin wax emulsions 8, vinylformic acid 6, hexylene glycol monobutyl ether acetate 8, hexylene glycol monobutyl ether acetate 4, anti-sedimentation agent 3300S 1, flow agent BYK-300 2, polyacrylic acid sodium salt SN-5000 2, defoamer SPA202 2, talcum powder 10, modified Nano diatomite in powder 10, modified soluble nano silicone colloidal sol 10;

The paint raw material:

Polyvinyl acetate emulsion 10, epoxy emulsion 30, myo-Inositol hexaphosphate 35, polyvinylpyrrolidone 10, sodium laurylsulfate 3, propylene glycol 50, receive base bentonite 10, urea 5,2-amino-2-methyl-1-propanol 3.

3. the preparation method of salt spray resistance metallic anti-rust 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.