CN102993791A - Metal paint and preparation method thereof - Google Patents

Abstract

The invention discloses a metal paint, which is prepared from the following raw materials in parts by weight: 180 to 190 parts of dodecenylsuccinic acid, 130 to 135 parts of propylene glycol, 210 to 215 parts of glycidyl methacrylate, 360 to 365 parts of 2-ethyl hexyl acrylate, 430 to 435 parts of methylpropanediol, 105 to 108 parts of phenolic resin, 85 to 90 parts of styrene, 100 to 110 parts of ethylenediamine, 300 to 310 parts of titanium dioxide, 20 to 30 parts of modified diatomite, 7 to 8 parts of formic acid, 100 to 105 parts of water, and 14 to 16 parts of sodium hydroxyethyl sulfonate. The raw materials are mixed, dispersed at a high speed, and grinded into nano-grade metal paint. The coating formed by the metal 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 5 and 8 years.

Description

A kind of metallic paint and preparation method thereof

Technical field

The present invention relates to the metallic paint field, be specifically related to a kind of metallic paint and preparation method thereof.

Background technology

Various mechanical means appearances all need apply layer of metal coating, 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 metallic paint and preparation method thereof, this coating has good mechanical stability, snappiness and surface hardness, good weatherability, and glossiness is high.

Technical scheme of the present invention is:

A kind of metallic paint is characterized in that, it is made by following raw materials in part by weight:

Dodecenylsuccinic acid 180-190, propylene glycol 130-135, glycidyl methacrylate 210-215, Octyl acrylate 360-365, methyl propanediol 430-435, resol 105-108, vinylbenzene 85-90, quadrol 100-110, titanium dioxide 300-310, modification infusorial earth 20-30, formic acid 7-8, water 100-105, sodium isethionate 14-16

Described modification infusorial earth is listed as by the following method and is prepared from:

(1) at first diatomite was heated 2-4 hour at 100-120 ℃;

(2) diatomite being added (0.9～1.1) g/L potassium permanganate solution and soaked 2-3 hour, pull out, be washed to neutrality, put into the 8-10% sodium hydroxide solution again and soaked 3-4 hour, pull out, is neutral with deionized water rinsing;

(3) then the diatomite after will washing be ground to powder 400-450 ℃ of lower calcining 1-2 hour;

(4) add again the 1-2% quartz sand nanometer powder of diatomite quality, the silane coupling agent of 2-3%, adding an amount of ethanol furnishing slurry, 60-70 ℃ of lower the stirring 2-3 hour, be incubated 50-60 minute;

(5) oven dry is pulverized, and makes ultrafine powder.

Described a kind of metallic paint is characterized in that, it is made by following raw materials in part by weight:

Dodecenylsuccinic acid 185, propylene glycol 133, glycidyl methacrylate 212, Octyl acrylate 364, methyl propanediol 433, resol 106, vinylbenzene 88, quadrol 105, titanium dioxide 305, modification infusorial earth 25, formic acid 7.5, water 102, sodium isethionate 15

Described modification infusorial earth is listed as by the following method and is prepared from:

(1) at first diatomite was heated 3 hours at 105 ℃;

(2) diatomite being added the 1.0g/L potassium permanganate solution and soaked 2-3 hour, pull out, be washed to neutrality, put into 9% sodium hydroxide solution again and soaked 3-4 hour, pull out, is neutral with deionized water rinsing;

(3) then the diatomite after will washing be ground to powder 425 ℃ of lower calcinings 1-2 hour;

(4) add again the 1-2% quartz sand nanometer powder of diatomite quality, the silane coupling agent of 2-3%, adding an amount of ethanol furnishing slurry, 60-70 ℃ of lower the stirring 2-3 hour, be incubated 50-60 minute;

(5) oven dry is pulverized, and makes ultrafine powder.

The preparation method of described metallic paint is characterized in that, may further comprise the steps:

(1) formula materials such as dodecenylsuccinic acid, propylene glycol, glycidyl methacrylate, Octyl acrylate, methyl propanediol, resol, vinylbenzene, quadrol, formic acid, water, sodium isethionate being poured into batching kettle mixes, mixed mixing raw material is transported in the high-speed dispersing kettle stirs, disperse 50-60 minute, rotating speed 3200-3500 rev/min, 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 40um;

(2) above-mentioned slurry is transported in the high-speed dispersing kettle, by weight titanium dioxide, modification infusorial earth are added wherein, stir, disperse, being transported to of component carried out wet type sand milling, dispersion after disperseing in the sand mill, with 3500-3600 rev/min of high speed dispersion 40-50min, obtain coating again;

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

Beneficial effect:

The coating that metallic paint of the present invention forms has hardness height, damage resistant, strong adhesion, and salt spray resistance, salt water resistance, acid and alkali-resistance, water-fast, oil resistant, glossiness are high, and be reusable at old coating surface, can not cause the paint film damage, superpower paint film flexibility etc.General coating life can reach 5-8.

Embodiment

Metallic paint is characterized in that, it is made by following raw materials in part by weight:

Dodecenylsuccinic acid 185, propylene glycol 133, glycidyl methacrylate 212, Octyl acrylate 364, methyl propanediol 433, resol 106, vinylbenzene 88, quadrol 105, titanium dioxide 305, modification infusorial earth 25, formic acid 7.5, water 102, sodium isethionate 15

Described modification infusorial earth is listed as by the following method and is prepared from:

(1) at first diatomite was heated 3 hours at 105 ℃;

(2) diatomite being added the 1.0g/L potassium permanganate solution and soaked 2-3 hour, pull out, be washed to neutrality, put into 9% sodium hydroxide solution again and soaked 3-4 hour, pull out, is neutral with deionized water rinsing;

(3) then the diatomite after will washing be ground to powder 425 ℃ of lower calcinings 1-2 hour;

(4) add again the 1-2% quartz sand nanometer powder of diatomite quality, the silane coupling agent of 2-3%, adding an amount of ethanol furnishing slurry, 60-70 ℃ of lower the stirring 2-3 hour, be incubated 50-60 minute;

(5) oven dry is pulverized, and makes ultrafine powder.

The preparation method:

(1) formula materials such as dodecenylsuccinic acid, propylene glycol, glycidyl methacrylate, Octyl acrylate, methyl propanediol, resol, vinylbenzene, quadrol, formic acid, water, sodium isethionate being poured into batching kettle mixes, mixed mixing raw material is transported in the high-speed dispersing kettle stirs, disperse 50-60 minute, rotating speed 3200-3500 rev/min, 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 40um;

(2) above-mentioned slurry is transported in the high-speed dispersing kettle, by weight titanium dioxide, modification infusorial earth are added wherein, stir, disperse, being transported to of component carried out wet type sand milling, dispersion after disperseing in the sand mill, with 3500-3600 rev/min of high speed dispersion 40-50min, obtain coating again;

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

Metallic 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. a metallic paint is characterized in that, it is made by following raw materials in part by weight:

Dodecenylsuccinic acid 180-190, propylene glycol 130-135, glycidyl methacrylate 210-215, Octyl acrylate 360-365, methyl propanediol 430-435, resol 105-108, vinylbenzene 85-90, quadrol 100-110, titanium dioxide 300-310, modification infusorial earth 20-30, formic acid 7-8, water 100-105, sodium isethionate 14-16

Described modification infusorial earth is listed as by the following method and is prepared from:

(1) at first diatomite was heated 2-4 hour at 100-120 ℃;

(2) diatomite being added (0.9～1.1) g/L potassium permanganate solution and soaked 2-3 hour, pull out, be washed to neutrality, put into the 8-10% sodium hydroxide solution again and soaked 3-4 hour, pull out, is neutral with deionized water rinsing;

(3) then the diatomite after will washing be ground to powder 400-450 ℃ of lower calcining 1-2 hour;

(4) add again the 1-2% quartz sand nanometer powder of diatomite quality, the silane coupling agent of 2-3%, adding an amount of ethanol furnishing slurry, 60-70 ℃ of lower the stirring 2-3 hour, be incubated 50-60 minute;

(5) oven dry is pulverized, and makes ultrafine powder.

2. a kind of metallic paint according to claim 1 is characterized in that, it is made by following raw materials in part by weight:

Dodecenylsuccinic acid 185, propylene glycol 133, glycidyl methacrylate 212, Octyl acrylate 364, methyl propanediol 433, resol 106, vinylbenzene 88, quadrol 105, titanium dioxide 305, modification infusorial earth 25, formic acid 7.5, water 102, sodium isethionate 15

Described modification infusorial earth is listed as by the following method and is prepared from:

(1) at first diatomite was heated 3 hours at 105 ℃;

(2) diatomite being added the 1.0g/L potassium permanganate solution and soaked 2-3 hour, pull out, be washed to neutrality, put into 9% sodium hydroxide solution again and soaked 3-4 hour, pull out, is neutral with deionized water rinsing;

(3) then the diatomite after will washing be ground to powder 425 ℃ of lower calcinings 1-2 hour;

(4) add again the 1-2% quartz sand nanometer powder of diatomite quality, the silane coupling agent of 2-3%, adding an amount of ethanol furnishing slurry, 60-70 ℃ of lower the stirring 2-3 hour, be incubated 50-60 minute;

(5) oven dry is pulverized, and makes ultrafine powder.

3. as claimed in claim the preparation method of metallic paint is characterized in that, may further comprise the steps:

(1) formula materials such as dodecenylsuccinic acid, propylene glycol, glycidyl methacrylate, Octyl acrylate, methyl propanediol, resol, vinylbenzene, quadrol, formic acid, water, sodium isethionate being poured into batching kettle mixes, mixed mixing raw material is transported in the high-speed dispersing kettle stirs, disperse 50-60 minute, rotating speed 3200-3500 rev/min, 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 40um;

(2) above-mentioned slurry is transported in the high-speed dispersing kettle, by weight titanium dioxide, modification infusorial earth are added wherein, stir, disperse, being transported to of component carried out wet type sand milling, dispersion after disperseing in the sand mill, with 3500-3600 rev/min of high speed dispersion 40-50min, obtain coating again;

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