CN102634257B - Environment-friendly aqueous multicolor paint and preparation method thereof - Google Patents

Environment-friendly aqueous multicolor paint and preparation method thereof Download PDF

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CN102634257B
CN102634257B CN 201210156035 CN201210156035A CN102634257B CN 102634257 B CN102634257 B CN 102634257B CN 201210156035 CN201210156035 CN 201210156035 CN 201210156035 A CN201210156035 A CN 201210156035A CN 102634257 B CN102634257 B CN 102634257B
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component
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environment
paint
water
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CN 201210156035
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CN102634257A (en
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殷立国
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天津市荣新建筑装饰涂料有限公司
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Abstract

The invention relates to an environment-friendly aqueous multicolor paint and a preparation method thereof. The invention belongs to the technical field of multicolor paint. The material formula of the environment-friendly aqueous multicolor paint is as follows: component A: 3 to 14 parts of montmorillonite, 0 to 1.0 part of sodium hexametaphosphate, 0 to 1.2 parts of anhydrous sodium pyrophosphate, 0 to 1.0 part of pH regulator and 86 to 97 parts of water; component B: 20 to 80 parts of water, 8 to 15 parts of granular colloid solution, 0.1 to 0.5 parts of defoaming agent, 0.1 to 0.5 parts of anionic/nonionic wetting dispersant, 2 to 40 parts of pigment filler, 0.6 to 1.5 parts of composite coupling resin, 0.05 to 0.2 parts of preservative, 0.05 to 0.15 parts of pH regulator and 2 to 30 parts of elastic self-crosslinking latex; component C: 10 to 70 parts of acrylic latex, 0 to 4 parts of propylene glycol, 4 to 15 parts of film-forming auxiliary and 1 to 1.5 parts of bactericide. The preparation method for the environment-friendly aqueous multicolor paint includes the following steps of: (1) granular colloid solution preparation; (2) colorful granule preparation: the preparation of white base paint, colorful base paint and colorful granules; and (3) paint production: the latex component C is prepared, and the aqueous multicolor paint is produced. The invention has the advantages of simple process, stable quality, excellent properties, low cost, high weather fastness, high fidelity and good decorative and protective properties.

Description

A kind of environment-friendly type aqueous multicolor finish and preparation method
Technical field
The invention belongs to the multicolor finish technical field, particularly relate to a kind of environment-friendly type aqueous multicolor finish and preparation method.
Background technology
At present, oneself becomes inexorable trend the Water-borne modification of building coating, because its nontoxic and excellent performance makes it to become the best substitute of traditional oils gonosome system, the Water-borne modification of multicolor finish is also the certainty of development, aqueous colorful not only has the eco-friendly characteristic of water-borne coatings, and its decorative effect of giving building head and shoulders above the water-borne coatings of common single color.
, resource-constrained high due to the cost of natural marble, the bottleneck that difficulty of construction is large in addition, the body of wall requirement is harsh, the danger that inevitably comes off makes it to become building decoration, water-soluble colorful coating not only can be given the aesthetic feeling as the true stone of buildings, and eliminated the hidden danger that natural real stone comes off, the characteristic of water-soluble colorful coating has determined that it not only can imitate stone, and can " make stone ", the effect that its Protean color, different particle diameters, the different institutes such as concavo-convex texture overlap joints make up out is that many lithotomes can not show.
Traditional water-soluble colorful coating is with polyvinyl alcohol, and xanthan gum etc. are protection glue, and the multicolor finish poor storage stability of producing, weathering resistance are not good.The common faults such as the water-soluble colorful coating of producing is to be protective colloid with RD mostly, not only has poor storage stability, and production process is loaded down with trivial details, and particle is less than normal, and cost is high, raw material is in short supply, and difficulty of construction is large, the body of wall requirement is high, the deficiencies such as working condition harshness.
Summary of the invention
The present invention provides a kind of environment-friendly type aqueous multicolor finish and preparation method for solving the technical problem that exists in known technology.
One of purpose of the present invention is to provide a kind of constant product quality, excellent property, the environment-friendly type aqueous multicolor finish of the characteristics such as cost is low, and weathering resistance is strong, and naturalness is high, stereoscopic sensation is strong, and construction easily, and is economic and practical, applied widely.
The technical scheme that the environment-friendly type aqueous multicolor finish of the present invention is taked is:
A kind of environment-friendly type aqueous multicolor finish is characterized in: the multicolor finish composition of raw materials comprises A component, B component and C component,
The A component comprises composition quality part for being combined into the seed lac liquid solution: montmorillonite 3-14 part; Sodium hexametaphosphate 99 0-1.0 part; Five water trisodium phosphate 0-1.2 parts; PH conditioning agent 0-1.0 part; Water 86-97 part;
The B component is the granulation base paint, comprises composition quality part: water 20-80 part; Granulating colloidal solution 8-15 part; Defoamer 0.1-0.5 part; Anionic and nonionic wetting dispersing agent 0.1-0.5 part; Color stuffing 2-40 part; Compound coupling resin 0.6-1.5 part; Sanitas 0.05-0.2 part; PH conditioning agent 0.05-0.15 part; Elasticity self-crossing emulsion 2-30 part;
The C component is the lacquering emulsion, comprises composition quality part: pure-acrylic emulsion 10-70 part; Propylene glycol 0-4 part; Film coalescence aid 4-15 part, sterilant 1-1.5 part.
The environment-friendly type aqueous multicolor finish of the present invention can also adopt following technical measures:
Described environment-friendly type aqueous multicolor finish is characterized in: the B component comprises mill base mass parts 0.1-5 part; The C component comprises the following ingredients mass parts: defoamer 0.01-0.2 part, matting agent 0.01-4 part; Thickening material 0.01-10 part.
Described environment-friendly type aqueous multicolor finish is characterized in: the PH conditioning agent is ammoniacal liquor.
Described environment-friendly type aqueous multicolor finish is characterized in: color stuffing is one or more in Rutile type Titanium Dioxide, kaolin, wollastonite, water-ground limestone
Described environment-friendly type aqueous multicolor finish is characterized in: compound coupling resin is 4 parts of hydroxyethyl propyl celluloses, the mixture that Zelan 338 is 1 part.
Two of purpose of the present invention is to provide that a kind of production technique is simple, constant product quality; excellent property; cost is low; weathering resistance is strong; naturalness is high, stereoscopic sensation is strong, and construction easily, and is economic and practical; applied widely, enriched the preparation method to the environment-friendly type aqueous multicolor finish of the characteristics such as the decoration of buildings and protection demand.
The technical scheme that the preparation method of the environment-friendly type aqueous multicolor finish of the present invention takes is:
A kind of preparation method of environment-friendly type aqueous multicolor finish is characterized in: the preparation process of environment-friendly type aqueous multicolor finish comprises the steps:
The first step: be combined into the preparation of seed lac liquid solution
In mass ratio, montmorillonite 3-14 part, Sodium hexametaphosphate 99 0-1 part, five water trisodium phosphate 0-1.2 parts join after mixing in 86-97 part water and disperse, and add ammoniacal liquor to regulate PH8.5-9.5, obtain the A component.
Second step: the preparation of each color grain
(1) preparation of white basis paint
In mass ratio, water 20-80 part; Defoamer 0.1-0.5 part; Anionic and nonionic wetting dispersing agent 0.1-0.5 part; Color stuffing 2-40 part; Compound coupling resin 0.6-1.5 part; Sanitas 0.05-0.2 part; PH conditioning agent 0.05-0.15 part; Elasticity self-crossing emulsion 2-30 part; Granulating colloidal solution 8-15 part; Join in decollator, start dispersion machine, add successively entry, defoamer, anionic and nonionic wetting dispersing agent, color stuffing, compound coupling resin in decollator, disperse 10-40min, add sanitas, elasticity self-crossing emulsion, A component, add ammoniacal liquor to regulate PH8.5-9.5 after being uniformly dispersed, obtain the white basis paint;
(2) preparation of colored base paint
Mill base of all kinds is joined in the ready-made white basis of step (1) paint be uniformly dispersed, obtain colored base paint;
(3) preparation of color grain
Take in mass ratio A component 10-60 part, base paint 40-90 part of all kinds adds the A component in decollator, start dispersion machine, and base paint of all kinds flow in the A component with wire, and cutting obtains each color grain, and color grain is called the D component with the mixture of A component;
The 3rd step: lacquering
(1) the lacquering preparation of emulsion C component
In mass ratio, pure-acrylic emulsion 10-60 part, propylene glycol 0-4 part, film coalescence aid 4-15 part, sterilant 1-1.5 part, defoamer 0-4 part, aerosil 0-4 part joins in dispersion tank and mixes, and regulates PH8.5-9.5, obtains the C component;
(2) lacquering
Take by weight C component 20-60 part, D component 40-80 part joins the D component in the C component, mixes, and obtains water-soluble colorful coating.
The preparation method of the environment-friendly type aqueous multicolor finish of the present invention can also adopt following technical measures:
The preparation method of described environment-friendly type aqueous multicolor finish is characterized in: during the preparation of color grain, the rotating speed of dispersion machine is 300-600r/min, each colored base paint through 1-80 purpose stainless steel mesh after, flow in the A component with wire.
The preparation method of described environment-friendly type aqueous multicolor finish, be characterized in: during the preparation of color grain, cutting obtains each color grain and adopts disc type or paddle formula to disperse tooth, the dispersion tooth is that the color grain that obtains of disc type is spherical for approximate circle, the dispersion tooth is that the color grain that obtains of oar blade type is sheet, and the mean size of particle diameter is controlled by rate of dispersion and jitter time.
The preparation method of described environment-friendly type aqueous multicolor finish is characterized in: during lacquering, mix with the oar blade type dispersion impeller, add thickener qualities part 0.01-10 part after mixing, adjusting viscosity 80-110KU obtains water-soluble colorful coating.
Advantage and positively effect that the present invention has are:
Environment-friendly type aqueous multicolor finish and preparation method are owing to having adopted the brand-new technical scheme of the present invention, and compared with prior art, the present invention has constant product quality, excellent property, cost is low, and weathering resistance is strong, and naturalness is high, stereoscopic sensation is strong, construction easily, and is economic and practical, applied widely; Production technique is simple, construction easily, body of wall is required low, enriched advantages such as the decoration of buildings and protection demands.
Embodiment
For further understanding summary of the invention of the present invention, Characteristic, hereby exemplify following examples, and be described in detail as follows:
Embodiment 1
A kind of environment-friendly type aqueous multicolor finish, composition of raw materials comprise A component, B component and C component:
The A component comprises composition quality part for being combined into the seed lac liquid solution: montmorillonite 3-14 part; Sodium hexametaphosphate 99 0-1.0 part; Five water trisodium phosphate 0-1.2 parts; PH conditioning agent 0-1.0 part; Water 86-97 part;
The B component is the granulation base paint, comprises composition quality part: water 20-80 part; Granulating colloidal solution 8-15 part; Defoamer 0.1-0.5 part; Anionic and nonionic wetting dispersing agent 0.1-0.5 part; Color stuffing 2-40 part; Compound coupling resin 0.6-1.5 part; Sanitas 0.05-0.2 part; PH conditioning agent 0.05-0.15 part; Elasticity self-crossing emulsion 2-30 part.Compound coupling resin is 4 parts of hydroxyethyl propyl celluloses, the mixture that Zelan 338 is 1 part.
The C component is the lacquering emulsion, comprises composition quality part: pure-acrylic emulsion 10-70 part; Propylene glycol 0-4 part; Film coalescence aid 4-15 part, sterilant 1-1.5 part; Defoamer 0.01-0.2 part, matting agent 0.01-4 part; Thickening material 0.01-10 part.
Embodiment 2
A kind of preparation method of environment-friendly type aqueous multicolor finish, preparation process comprises the steps:
The first step: be combined into the preparation of seed lac liquid solution
In mass ratio, montmorillonite 3-14 part, Sodium hexametaphosphate 99 0-1 part, five water trisodium phosphate 0-1.2 parts join after mixing in 86-97 part water and disperse, and add ammoniacal liquor to regulate PH8.5-9.5, obtain the A component.
Second step: the preparation of each color grain
(1) preparation of white basis paint
In mass ratio, water 20-80 part; Defoamer 0.1-0.5 part; Anionic and nonionic wetting dispersing agent 0.1-0.5 part; Color stuffing 2-40 part; Compound coupling resin 0.6-1.5 part; Sanitas 0.05-0.2 part; PH conditioning agent 0.05-0.15 part; Elasticity self-crossing emulsion 2-30 part; Granulating colloidal solution 8-15 part; Join in decollator, start dispersion machine, add successively entry, defoamer, anionic and nonionic wetting dispersing agent, color stuffing, compound coupling resin in decollator, disperse 10-40min, add sanitas, elasticity self-crossing emulsion, A component, add one or both mixtures in ammoniacal liquor or AMP-95 after being uniformly dispersed, regulate PH8.5-9.5, obtain the white basis paint;
(2) preparation of colored base paint
Mill base of all kinds is joined in the ready-made white basis of step (1) paint be uniformly dispersed, obtain colored base paint;
(3) preparation of color grain
Take in mass ratio A component 10-60 part, base paint 40-90 part of all kinds, add the A component in decollator, start dispersion machine, the rotating speed of dispersion machine is 300-600r/min, and after each colored base paint process 1-80 purpose stainless steel mesh, base paint of all kinds flow in the A component with wire, cutting obtains each color grain, and color grain is called the D component with the mixture of A component.Cutting obtains each color grain and adopts disc type or paddle formula dispersion tooth, and the dispersion tooth is that the color grain that obtains of disc type is spherical for approximate circle, and the dispersion tooth is that the coloured silk grain that obtains of oar blade type is sheet, and the mean size of particle diameter is controlled by rate of dispersion and jitter time.
The 3rd step: lacquering
(1) the lacquering preparation of emulsion C component
In mass ratio, pure-acrylic emulsion 10-60 part, propylene glycol 0-4 part, film coalescence aid 4-15 part, sterilant 1-1.5 part, defoamer 0-4 part, aerosil 0-4 part joins in dispersion tank and mixes, and regulates PH8.5-9.5, obtains the C component;
(2) lacquering
Take by weight C component 20-60 part, D component 40-80 part joins the D component in the C component, mixes with the oar blade type dispersion impeller, adds thickener qualities part 0.01-10 part after mixing, and adjusting viscosity 80-110KU obtains water-soluble colorful coating.
Embodiment 3
A kind of preparation method of environment-friendly type aqueous multicolor finish, preparation process comprises the steps:
1. preparation is combined into the seed lac liquid solution
Take by weight 8 parts of montmorillonites, 0.3 part of Sodium hexametaphosphate 99, five 0.2 part of water trisodium phosphate slowly join after mixing in 91 parts of water and are uniformly dispersed, and add 0.5 part of ammoniacal liquor to regulate PH8.5 ~ 9.5, get the A component.
2. each color grain preparation
(1) white basis paint preparation
Take by weight 46 parts, water, 0.2 part of defoamer NXZ, 4,010 0.2 parts of anionic and nonionic wetting dispersing agents, 1 part of Rutile type Titanium Dioxide, 4,000 16 parts of order calcined kaolins, 1.4 parts of RX-15,0.1 part of LFM, 0.1 part of ammoniacal liquor, 8,238 25 parts of elasticity self-crossing emulsions; 10 parts of A components; Start dispersion machine adds metering successively in dispersion tank 0.1 part of water, defoamer, anionic and nonionic wetting dispersing agent, Rutile type Titanium Dioxide, 4000 order calcined kaolins, RX-15 high speed dispersion 30min, the scraper plate fineness reaches below 40um, add 0.1 part of defoamer NXZ, sanitas LFM, elasticity self-crossing emulsion 8238, A component, add ammoniacal liquor to regulate PH8.5 ~ 9.5 after middle low speed is uniformly dispersed, get the white basis paint;
(2) preparation of colored base paint
Take by weight 0.3 part of ferric oxide black mill base, join in 5 parts, white basis paint, mixing gets the black base paint; Take by weight 0.5 part of the yellow mill base of ferric oxide, 0.05 part of the red mill base of ferric oxide, 0.5 part of ferric oxide black mill base join in 18 parts, white basis paint, and mixing gets coffee-like base paint; Take by weight 0.2 part of the yellow mill base of ferric oxide, blue or green blue 0.01 part of phthalein, 0.4 part of ferric oxide black mill base join in 52 parts, white basis paint, and mixing gets the light green base paint; Take by weight 0.47 part of the yellow mill base of ferric oxide, 0.13 part of the red mill base of ferric oxide, 0.65 part of ferric oxide black mill base join in 25 parts, white basis paint, and mixing gets the grey base paint;
(3) preparation of color grain
Take by weight 2.5 parts of black base paints, 9 parts of coffee-like base paints, 26 parts of light green base paints, 12.5 parts of grey base paints, 50 parts of A components, add the A component in dispersion tank, adjust paddle formula dispersing speed 300r/min, with each colored base paint respectively through 3 purpose stainless steel meshs, base paint of all kinds is flow into wire in the A component, and cutting 4min gets D component (the D component is the mixture of color grain with the A component).
3. lacquering
(1) preparation lacquering emulsion C component
Take by weight 29.5 parts, tap water, 60 parts of the fuchem-361 pure-acrylic emulsions that Shandong holy light group produces, 1 part of propylene glycol, 8 parts of alcohol ester 12 film coalescence aid, 1 part of sterilant LFM, 0.2 part of defoamer, 0.3 part of ammoniacal liquor join mixing in dispersion tank, get the C component;
(2) lacquering
Take by weight 40 parts of C components, 60 parts of D components slowly join the D component in the C component, add thickening material TT9353 part adjusting viscosity at 90 ~ 95KU after mixing with the oar blade type dispersion impeller, must contain the water-soluble colorful coating finished product of above four kinds of colors.
Embodiment 4
A kind of preparation method of environment-friendly type aqueous multicolor finish, preparation process comprises the steps:
1. preparation is combined into the seed lac liquid solution
Take by weight 0.3 part of 7 parts of Sodium hexametaphosphate 99 of RGX, slowly join after mixing in 92 parts of water and be uniformly dispersed, add 0.9 part of ammoniacal liquor to regulate PH8.5 ~ 9.5, get the A component.
2. each color grain preparation
(1) white basis paint preparation
Take by weight 40 parts, water, 0.3 part of defoamer NXZ, 4,010 0.3 parts of anionic and nonionic wetting dispersing agents, 2 parts of Rutile type Titanium Dioxides, 4,000 10 parts of order calcined kaolins, 1,250 8 parts of order coarse whitings, 1.2 parts of compound coupling resin RX-15,0.1 part of sanitas LFM, 0.1 part of ammoniacal liquor, 8,238 26 parts of elasticity self-crossing emulsions; 12 parts of A components; Start dispersion machine adds metering successively in dispersion tank 0.2 part of water, defoamer, anionic and nonionic wetting dispersing agent, Rutile type Titanium Dioxide, 4000 order calcined kaolins, RX-15 high speed dispersion 30min, the scraper plate fineness reaches below 40um, add 0.1 part of defoamer NXZ, sanitas LFM, elasticity self-crossing emulsion 8238, A component, add ammoniacal liquor to regulate PH8.5 ~ 9.5 after middle low speed is uniformly dispersed, get the white basis paint;
(2) preparation of colored base paint
Take by weight 0.8 part of ferric oxide black mill base, join in 12 parts, white basis paint, mixing gets the black base paint; Take by weight 0.5 part of the yellow mill base of ferric oxide, join in 18 parts, white basis paint, mixing gets yellow base paint; Take by weight 0.6 part of the red mill base of ferric oxide, 0.4 part of ferric oxide black mill base joins in 40 parts, white basis paint, and mixing gets the garnet base paint; Take by weight 0.3 part of the yellow mill base of ferric oxide, 0.13 part of the red mill base of ferric oxide, 0.13 part of ferric oxide black mill base join in 30 parts, white basis paint, and mixing gets colour of camel's hair base paint;
(3) preparation of color grain
Take by weight and 5 parts of black base paints, 5 parts of yellow base paints, 10 parts of garnet base paints, 20 parts of colour of camel's hair base paints, 10 parts, white basis paint, 50 parts of A components, add the A component in dispersion tank, disc type dispersing speed 200r/min, respectively through 5 purpose stainless steel meshs, base paint of all kinds is flow into wire in the A component with each colored base paint, and cutting 3min gets D component (the D component is the mixture of color grain with the A component).
3. lacquering
(1) preparation lacquering emulsion C component
Take by weight 19.5 parts, tap water, 70 parts of the fuchem-361 pure-acrylic emulsions that Shandong holy light group produces, 1 part of propylene glycol, 8 parts of alcohol ester 12 film coalescence aid, 1 part of sterilant LFM, 0.2 part of defoamer NXZ, 0.3 part of ammoniacal liquor joins mixing in dispersion tank, gets the C component;
(2) lacquering
Take by weight 50 parts of C components, 50 parts of D components, the D component is slowly joined in the C component, add 5.5 parts of adjusting viscosities of thickening material TT935 at 95 ~ 105KU after mixing with oar blade type dispersion tooth, must contain the water-soluble colorful coating finished product of above five kinds of colors.
Contrast the large sheet of colorful color grain one-tenth that above two kinds of methods are produced, after construction, color grain overlap joint degree is higher, far sees stereoscopic sensation strong, and planeness is good; The colorful color grain ion plumpness that the present embodiment makes is high, and is uneven after construction, closely sees stereoscopic sensation strong, far sees chromatic pattern indistinct, the decorative effect that can obtain enriching.

Claims (8)

1. environment-friendly type aqueous multicolor finish, it is characterized in that: the multicolor finish composition of raw materials comprises A component, B component and C component,
The A component comprises composition quality part for being combined into the seed lac liquid solution: montmorillonite 3-14 part; Sodium hexametaphosphate 99 0-1.0 part; Five water trisodium phosphate 0-1.2 parts; PH adjusting agent 0-1.0 part; Water 86-97 part;
The B component is the granulation base paint, comprises composition quality part: water 20-80 part; Be combined into seed lac liquid solution 8-15 part; Defoamer 0.1-0.5 part; Anionic and nonionic wetting dispersing agent 0.1-0.5 part; Color stuffing 2-40 part; Compound coupling resin 0.6-1.5 part; Sanitas 0.05-0.2 part; PH adjusting agent 0.05-0.15 part; Elasticity self-crossing emulsion 2-30 part; Wherein, compound coupling resin is 4 parts of hydroxyethyl propyl celluloses, the mixture that Zelan 338 is 1 part;
The C component is the lacquering emulsion, comprises composition quality part: pure-acrylic emulsion 10-70 part; Propylene glycol 0-4 part; Film coalescence aid 4-15 part, sterilant 1-1.5 part.
2. environment-friendly type aqueous multicolor finish according to claim 1, it is characterized in that: the B component comprises mill base mass parts 0.1-5 part; The C component comprises the following ingredients mass parts: defoamer 0.01-0.2 part, matting agent 0.01-4 part; Thickening material 0.01-10 part.
3. environment-friendly type aqueous multicolor finish according to claim 1 and 2, it is characterized in that: pH adjusting agent is ammoniacal liquor.
4. environment-friendly type aqueous multicolor finish according to claim 1 and 2, it is characterized in that: color stuffing is one or more in Rutile type Titanium Dioxide, kaolin, wollastonite, water-ground limestone.
5. the preparation method of an environment-friendly type aqueous multicolor finish, it is characterized in that: the preparation process of environment-friendly type aqueous multicolor finish comprises the steps:
The first step: be combined into the preparation of seed lac liquid solution
In mass ratio, montmorillonite 3-14 part, Sodium hexametaphosphate 99 0-1 part, five water trisodium phosphate 0-1.2 parts join after mixing in 86-97 part water and disperse, and add ammoniacal liquor to regulate pH8.5-9.5, obtain the A component;
Second step: the preparation of each color grain
(1) preparation of white basis paint
In mass ratio, water 20-80 part; Defoamer 0.1-0.5 part; Anionic and nonionic wetting dispersing agent 0.1-0.5 part; Color stuffing 2-40 part; Compound coupling resin 0.6-1.5 part; Sanitas 0.05-0.2 part; PH adjusting agent 0.05-0.15 part; Elasticity self-crossing emulsion 2-30 part; Be combined into seed lac liquid solution 8-15 part; Join in decollator, start dispersion machine, add successively entry, defoamer, anionic and nonionic wetting dispersing agent, color stuffing, compound coupling resin in decollator, disperse 10-40min, add sanitas, elasticity self-crossing emulsion, A component, add ammoniacal liquor to regulate pH8.5-9.5 after being uniformly dispersed, obtain the white basis paint;
Wherein, compound coupling resin is 4 parts of hydroxyethyl propyl celluloses, the mixture that Zelan 338 is 1 part;
(2) preparation of colored base paint
Mill base of all kinds is joined in the ready-made white basis of step (1) paint be uniformly dispersed, obtain colored base paint;
(3) preparation of color grain
Take in mass ratio A component 10-60 part, base paint 40-90 part of all kinds adds the A component in decollator, start dispersion machine, and base paint of all kinds flow in the A component with wire, and cutting obtains each color grain, and color grain is called the D component with the mixture of A component;
The 3rd step: lacquering
(1) the lacquering preparation of emulsion C component
In mass ratio, pure-acrylic emulsion 10-60 part, propylene glycol 0-4 part, film coalescence aid 4-15 part, sterilant 1-1.5 part, defoamer 0-4 part, aerosil 0-4 part joins in dispersion tank and mixes, and regulates pH8.5-9.5, obtains the C component;
(2) lacquering
Take by weight C component 20-60 part, D component 40-80 part joins the D component in the C component, mixes, and obtains water-soluble colorful coating.
6. according to the preparation method of the described environment-friendly type aqueous multicolor finish of claim .5, it is characterized in that: during the preparation of color grain, the rotating speed of dispersion machine is 300-600r/min, after each colored base paint process 1-80 purpose stainless steel mesh, flow in the A component with wire.
7. the preparation method of according to claim 5 or 6 described environment-friendly type aqueous multicolor finishes, it is characterized in that: during the preparation of color grain, cutting obtains each color grain and adopts disc type or paddle formula to disperse tooth, the dispersion tooth is that the color grain that obtains of disc type is spherical for approximate circle, the dispersion tooth is that the color grain that obtains of oar blade type is sheet, and the mean size of particle diameter is controlled by rate of dispersion and jitter time.
8. the preparation method of environment-friendly type aqueous multicolor finish according to claim 5 is characterized in that: during lacquering, mix with the oar blade type dispersion impeller, add thickener qualities part 0.01-10 part after mixing, adjusting viscosity 80-110KU obtains water-soluble colorful coating.
CN 201210156035 2012-05-18 2012-05-18 Environment-friendly aqueous multicolor paint and preparation method thereof CN102634257B (en)

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