A kind of water-water multicolor finish and preparation method thereof
Technical field
The present invention relates to paint field, particularly relate to a kind of water-water multicolor finish and preparation method thereof.
Background technology
Water-water multicolor finish is the high-tech coating products of full water-based, many colors, environment-friendly type, is mainly used in imitative various natural marble, has high fidelity, and have fabulous sticking power and elasticity, and its suspended weights is only 1/20th of true mineral varnish.The water-repellancy of water-water multicolor finish and weathering resistance are all better than true mineral varnish, both modern environmental protection and energy saving consciousness had been embodied, turn improve decoration grade, compare with stone materials such as grouan, water-water multicolor finish has good application property, not only shorten the duration to a great extent, reduce engineering cost, and more colorful simulated effect can be drawn out according to the design of oneself.
Exactly because the superiority that above-mentioned water-water multicolor finish highlights in coating industry and creativeness, therefore approve by increasing insider, the R&D force of water-water multicolor finish grew stronger day by day over the past two years, but the producer of real grasp water-water multicolor finish technology is very few.And the water-water multicolor finish manufacture craft of most of manufacturer production is loaded down with trivial details, poor storage stability, cost is relatively high, is difficult to left-hand seat actually operating.Therefore our factory is through repetition test, finally successfully have developed good stability, manufactures simple two phase emulsions, is made that color is various, simulated effect good, the water-water multicolor finish of good springiness by external phase emulsion and disperse phase emulsion.
Summary of the invention
The object of the invention is to provide a kind of water-water multicolor finish and preparation method thereof, make it allocate easily, good stability, good springiness, convenient construction.
For solving the problem, the invention provides a kind of water-water multicolor finish, comprise toning emulsion and granulation emulsion, wherein, described granulation emulsion is external phase emulsion, and the preparation method of granulation emulsion stirs for adding sodium tetraborate in synthetic resins organosilicon crylic acid latex; Described toning emulsion is disperse phase emulsion, and the preparation method of toning emulsion stirs for adding Natvosol in Vinyl Acetate Copolymer copolymer emulsion.
Further, every kilogram of synthetic resins organosilicon crylic acid latex adds 3-5 gram of sodium tetraborate; 5-15 gram of Natvosol is added in every kilogram of Vinyl Acetate Copolymer copolymer emulsion.
The present invention also provides the preparation method of above-mentioned multicolor finish, A. in synthetic resins organosilicon crylic acid latex, first add sodium tetraborate stir and form granulation emulsion, add in Vinyl Acetate Copolymer copolymer emulsion Natvosol stir formed toning emulsion, ordinary elasticity emulsion paint is recalled required color on demand;
B. the elastic emulsion paint of the shades of colour modulated is joined in proportion respectively in toning emulsion, and the elastic emulsion paint of often kind of color is stirred with toning emulsion respectively;
C. granulation emulsion is poured in stirred vessel, then the emulsion of the shades of colour mixed in step B is poured in granulation emulsion in order respectively, stirring-granulating.
Further, the massfraction of the titanium white in described elastic emulsion paint is greater than 10%.
Further, described step B Elastic emulsion paint is 1:9 with the additional proportion of toning emulsion.
Further, also containing sand in described toning emulsion, sand is 35:65-40:60 with the ratio of toning emulsion; The emulsion and the mixture of sand and the ratio of granulation emulsion of mixing colours during granulation is 2:1.
Adopt granulation emulsion as external phase, toning emulsion as disperse phase, two kinds of emulsions can be allocated respectively and can carry out mixed preparing according to different demands, the water-water multicolor finish manufacture method adopting this two phase emulsion to prepare is simple, the particle made, soft durometer can control, look grain is clear, and stability in storage is strong, and solves the technical barrier of rear thickening.
Select Vinyl Acetate Copolymer copolymer emulsion to do reactant and can be reacted into gel with sodium tetraborate, and there is lower film-forming temperature, low temperature flexibility, and high adhesive force, can cracking resistance, Natvosol is selected to do hardness regulator in granulation emulsion, gel controllability can be solved, make gel hard soft suitable.
There is good application property, can reduction of erection time greatly, reduce engineering cost, and can allow and build Designerss by constructing to the perfection of water-water multicolor finish, more can show a kind of beyond thought grouan simulated effect, make it have decorative, the thick and heavy property of texture of grouan.
Embodiment
Embodiment 1
The invention provides a kind of water-water multicolor finish, comprise toning emulsion and granulation emulsion, wherein, described granulation emulsion is external phase emulsion, and the preparation method of external phase emulsion stirs for adding sodium tetraborate in synthetic resins organosilicon crylic acid latex; Described toning emulsion is disperse phase emulsion, and the preparation method of disperse phase emulsion stirs for adding Natvosol in Vinyl Acetate Copolymer copolymer emulsion.
According to required color, hardness, two kinds of emulsions can be allocated during use.Sodium tetraborate can be used as the gelifying agent reacted with Vinyl Acetate Copolymer copolymer emulsion, select Vinyl Acetate Copolymer copolymer emulsion to do reactant and can be reacted into gel with sodium tetraborate, and there is lower film-forming temperature, low temperature flexibility, and high adhesive force, can cracking resistance, select Natvosol to do hardness regulator in granulation emulsion, gel controllability can be solved, make gel hard soft suitable.
Preferably, every kilogram of synthetic resins organosilicon crylic acid latex adds 3-5 gram of sodium tetraborate; Add 5-15 gram of Natvosol in every kilogram of Vinyl Acetate Copolymer copolymer emulsion, add-on can regulate the requirement of hardness according to client.
The present invention also provides the preparation method of above-mentioned multicolor finish, A. in synthetic resins organosilicon crylic acid latex, first add sodium tetraborate stir and form granulation emulsion, add in Vinyl Acetate Copolymer copolymer emulsion Natvosol stir formed toning emulsion, ordinary elasticity emulsion paint is recalled required color on demand;
B. the elastic emulsion paint of the shades of colour modulated is joined in proportion respectively in toning emulsion, and the elastic emulsion paint of often kind of color is stirred with toning emulsion respectively, require the color of the elastic emulsion paint selecting to add according to client's model, described elastic emulsion paint is 1:9 with the mass ratio of toning emulsion;
The titanium white content of elastic emulsion paint can not be too low, and preferably, titanium white content answers > 10%, and the too low toning emulsion of titanium white content easily waters down colored paint, causes the dry rear and actual color deviation of color grain, be unfavorable for color matching.
C. granulation emulsion is poured in stirred vessel, then the emulsion of the shades of colour mixed in step B is poured in granulation emulsion in order respectively, stirring-granulating;
According to the size of made particle, the mixed emulsion of set-up procedure B and the ratio of granulation emulsion,
Middle grain: mixed emulsion and granulation emulsion ratio 1:0.4-0.6,
Middle granule and particle: mixed emulsion and granulation emulsion ratio 1:1-1.2.
The particle of different size needs independent granulation.
Embodiment 2
The key distinction part of the present embodiment and embodiment 1 is, employing carbon black color paste directly replaces the elastic emulsion paint in step B, and carbon black color paste is 1:99 with the mass ratio of toning emulsion, can by color furnishing black.
Embodiment 3
The key distinction part of the present embodiment and embodiment 1 is, also containing sand in described toning emulsion, sand is 35:65-40:60 with the mass ratio of toning emulsion, and because the particle diameter of sand is different, this is than regular meeting slightly difference; The emulsion and the mixture of sand and the mass ratio of granulation emulsion of mixing colours during granulation is 2:1.
The above; it is only preferred embodiment of the present invention; not do any pro forma restriction to the present invention, those skilled in the art utilize the technology contents of above-mentioned announcement to make a little simple modification, equivalent variations or modification, all drop in protection scope of the present invention.