CN112625522A - Stone-like paint and its processing equipment and processing method - Google Patents
Stone-like paint and its processing equipment and processing method Download PDFInfo
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- CN112625522A CN112625522A CN202011435849.3A CN202011435849A CN112625522A CN 112625522 A CN112625522 A CN 112625522A CN 202011435849 A CN202011435849 A CN 202011435849A CN 112625522 A CN112625522 A CN 112625522A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D143/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers
- C09D143/04—Homopolymers or copolymers of monomers containing silicon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention belongs to the technical field of building coating preparation, and particularly relates to a stone-like coating, and processing equipment and a processing method thereof, wherein the stone-like coating comprises the following raw materials: a dispersed phase, a protective agent and a continuous phase; the protective agent comprises deionized water, a bactericide and protective rubber powder; the dispersed phase comprises deionized water, associated cellulose, hydroxyethyl cellulose, propylene glycol, a filler, a first auxiliary agent, a pure acrylic emulsion and a protective agent solution; the continuous phase comprises deionized water, silicone-acrylate emulsion, propylene glycol and a second auxiliary agent; the mass part ratio of the dispersed phase, the protective agent and the continuous phase is 5: 2.7-3.3: 1.7-2.3. This scheme of use can prepare out the moderate colour grain of intensity soft or hard, the follow-up cutting, the stirring processing to the colour grain of being more convenient for can improve granulation efficiency, helps producing the imitative stone coating that the imitative nature is good moreover.
Description
Technical Field
The invention belongs to the technical field of building coating preparation, and particularly relates to a stone-like coating, and processing equipment and a processing method thereof.
Background
In order to achieve high-grade decorative effect in buildings, natural stones are often used, but the natural stones have the following disadvantages: 1) the construction degree of difficulty is big, and the seam is glued to the gap that will add between the stone material, and the later stage has the infiltration risk. 2) The material cost is high, the hanging plate needs to be tied into a keel, the manufacturing cost of the keel is almost the same as that of the stone, the overall cost is higher, and particularly, the plate with the arc shape is several times higher than that of a plane. 3) The color of the natural stone is limited by the color of the natural ore, so that the overall color of the decorated stone is not completely consistent. 4) The excessive development of the natural stone can cause serious water and soil loss and environmental pollution; and the natural stone has a heavy self weight, and has a heavy load on the wall body and serious potential safety hazard.
Therefore, the coating with the stone-like effect is mostly adopted to replace natural stone in buildings at present, and has wide application in building exterior wall coatings. Common stone-like coatings include: the stone-like paint, the rock slice stone-like paint, the water-in-water multicolor paint and the like, wherein the water-in-water multicolor paint is the material with the highest simulation degree in the prior stone-like paint, has light dead weight, vivid effect, better color mixing property and simple construction process, can not bring potential safety hazards of high-altitude falling when being used for high-rise buildings, and is favored by the market.
The existing water-in-water multicolor paint has the following problems due to the limitations of the formula and the production process: 1. the color grains are soft and are not resistant to shearing, the granulation is carried out by using a vacuum filtration or low-speed scraper cutting mode, the efficiency of the granulation mode is not high, the granulation is generally carried out for 2 times repeatedly, the granulation efficiency is generally 30kg/min, the energy consumption is high, the production period is long, the color grains are too round, smooth and regular, unnatural and poor in simulation degree, the color grains (such as sesame black) which are too small can only be sieved by a screen firstly and then subjected to high-speed shearing, and the color grains are soft, so that water seepage exists and the risk of paste stirring is higher. 2. The color grains are hard, the cohesion is high, the granulation is carried out by using a vacuum filtration or dispersion plate slicing mode, the color grains granulated by using the filtration mode are thick, the simulation degree is poor, and the aesthetics is poor; the dispersion plate type granulation efficiency is high, but the color grains are slightly thick, but the problems of uneven stirring and obvious size difference of color points at the upper part and the lower part of a dispersion cylinder easily occur when the batch size is larger.
Disclosure of Invention
The invention aims to provide a stone-like coating, and processing equipment and a processing method thereof, so as to solve the problem of poor simulation of the coating caused by the fact that the prepared color particles are soft or hard.
In order to achieve the purpose, the scheme of the invention is as follows: the stone-like coating comprises the following raw materials: a dispersed phase, a protective agent and a continuous phase; the protective agent comprises deionized water, a bactericide and protective rubber powder; the dispersed phase comprises deionized water, associated cellulose, hydroxyethyl cellulose, propylene glycol, a filler, a first auxiliary agent, a pure acrylic emulsion and a protective agent solution; the continuous phase comprises deionized water, silicone-acrylate emulsion, propylene glycol and a second auxiliary agent; the mass part ratio of the dispersed phase, the protective agent and the continuous phase is 5: 2.7-3.3: 1.7-2.3.
The working principle and the beneficial effects of the scheme are as follows: in the scheme, association type cellulose and hydroxyethyl cellulose are selected and matched in the disperse phase, so that the flatness of color points after cutting and granulation can be guaranteed while the strength of color grains is guaranteed. Pure acrylic emulsion is selected in the dispersed phase, so that the Tg is low, the use of a film-forming aid (VOC product) is effectively reduced, and the product is more environment-friendly; and the pure acrylic emulsion is matched with association type cellulose and hydroxyethyl cellulose for use, so that color grains with moderate strength and hardness can be prepared, the subsequent cutting and stirring processing of the color grains are more convenient, the granulation efficiency can be improved, and the production of the stone-like coating with good simulation is facilitated. The continuous phase adopts the silicone-acrylate emulsion which has small particle size and good permeability, and the addition of the silicone-acrylate emulsion provides good weather resistance for the stone-like coating.
Optionally, the first auxiliary agent comprises a dispersing agent, a foam inhibitor, a pH regulator, a defoaming agent, a preservative and a wetting agent; the filler comprises titanium dioxide and kaolin; the second auxiliary agent comprises a defoaming agent, a preservative, a pH regulator, a film-forming auxiliary agent and a thickening agent.
Optionally, the feed comprises the following raw materials in parts by mass: the protective agent comprises 900 portions of deionized water and 950 portions of bactericide, 1 to 3 portions of bactericide and 50 to 100 portions of protective rubber powder; the dispersed phase comprises 500-600 parts of deionized water, 1-3 parts of associated cellulose, 7-10 parts of hydroxyethyl cellulose, 8-15 parts of propylene glycol, 5-20 parts of titanium dioxide, 20-80 parts of kaolin, 1-4 parts of a dispersing agent, 1-3 parts of an antifoaming agent, 1-2 parts of a pH regulator, 1-3 parts of a defoaming agent, 2-4 parts of a preservative, 1-2 parts of a wetting agent, 300 parts of a pure acrylic emulsion and 30-100 parts of a protective agent solution; the continuous phase comprises 300 parts of deionized water 200-700 parts, 700 parts of silicone-acrylic emulsion 600-700 parts, 30-50 parts of propylene glycol, 2-4 parts of defoaming agent, 2-5 parts of preservative, 2-4 parts of pH regulator, 20-30 parts of film-forming assistant and 5-15 parts of thickening agent. Long-term experimental research shows that the use amount of the raw materials is controlled within the range, the prepared color particles are moderate in hardness, and the quality of the finally produced coating can be better guaranteed. The control of the dosage of the pure acrylic emulsion, the associative cellulose and the hydroxyethyl cellulose is very critical, which is a key factor influencing the strength of the color granules, and the color granules with moderate hardness and convenient subsequent processing can not be obtained when the dosage is too much or too little.
Optionally, the mass part ratio of the dispersed phase, the protective agent and the continuous phase is 5: 3: 2. long-term tests show that the mass part ratio of the dispersed phase to the protective agent to the continuous phase is 5: 3: 2, the quality of the paint production can be better ensured.
The scheme also provides a processing method of the stone-like coating, which is characterized in that: the method comprises the following processing steps:
(1) preparing a protective agent: adding a bactericide into deionized water, stirring uniformly, adding protective rubber powder, and dispersing at a high speed of 45-70min and a dispersion speed of 1000-;
(2) preparation of the dispersed phase: adding association cellulose, hydroxyethyl cellulose, propylene glycol, titanium dioxide, kaolin, a dispersing agent and a foam inhibitor into deionized water, and stirring for 1.5-3min at a stirring speed of 400 r/min; adding a pH regulator, gradually increasing the rotation speed to 1000-; then adding pure acrylic emulsion, a defoaming agent, a preservative, a wetting agent and a protective agent solution, and dispersing at a high speed for 5-10min until the surface of the base material is smooth;
(3) preparation of the continuous phase: adding silicone-acrylate emulsion, propylene glycol, a defoaming agent, a preservative, a pH regulator and a film-forming additive into deionized water, and stirring for 5min at the stirring speed of 200-400 r/min; adding a thickening agent, adjusting the rotating speed to 500-;
(4) preparing a pigment: adding color paste into the dispersed phase prepared in the step (2) to prepare pigments with different colors;
(5) adding pigments with different colors into the protective agent prepared in the step (1) according to a ratio, precutting the pigments, and cutting the pigments into color points with the size of 1-1.5 cm; slicing the color points by using a vertical slicing disc, and dispersing the color points to the required size according to the rotating speed determined by the size of the color points to obtain a color point mixed solution after granulation; and adding the color point mixed solution after granulation into the continuous phase, and uniformly stirring.
The color grains prepared by the process have moderate strength and are convenient for subsequent cutting and stirring processing. Based on the quality of the prepared color granules, the processing mode of the color granules is improved, and the color granules are pre-cut, sliced by using a vertical slicing disc and finally stirred during processing, so that the granulation efficiency can be greatly improved. Compared with the prior granulation by using a vacuum filtration granulation or a gear-shaped dispersion plate, the granulation efficiency is greatly improved. The single granulation batch of the gear-shaped dispersion disc is 200-400kg, and the single granulation batch of the process is 600-1200 kg; the granulation efficiency of vacuum filtration granulation is 20-40kg/min, and the granulation efficiency of the process is 100-200 kg/min. More importantly, the color grains processed by the scheme can be very natural sheets, the simulation degree is good and very natural, and the color grains are not wholly smooth, regular, thick and poor in simulation degree like the granulation of a dispersion disc. The technical effect achieved by the scheme is brought by the selection of raw materials, the determination of the dosage and the improvement of processing means, and the effect cannot be achieved by the improvement of a simple formula or the improvement of the processing means.
Optionally, in the step (5), the pre-cutting is performed by moving the pre-cutting net with the aperture of 2-2.5cm up and down for 5-10 times. And vertically cutting the colored grains to obtain a color point with the size of 1-1.5cm, which is beneficial to the next step of slicing.
Optionally, in step (5), the vertical cutter disc includes a connection column and a plurality of cutter sets uniformly distributed around the connection column, each cutter set includes 2 cutters arranged in parallel and a connecting strip connecting the 2 cutters, the connecting strips are all fixed on the connection column, and the arrangement direction of the cutters faces the tangential direction of the connection column. Vertical section dish is different from traditional gear form dispersion impeller, and it is big for double-deck cutter structure and area of contact, and the slice process that does not stop when having avoided traditional gear form dispersion impeller cutting, homogeneity and cutting efficiency when effectual assurance cutting color point. The single granulation batch can reach 600-1200kg, the granulation efficiency is 100-200kg/min, the single granulation batch of the gear-shaped dispersion disc is only 200-400kg, the granulation efficiency of vacuum filtration is about 20-40kg/min, and the processing efficiency is far lower than that of the scheme.
Optionally, in step (5), the color point mixed solution added to the continuous phase after granulation is stirred by using a columnar stirring disc, where the columnar stirring disc includes a mounting disc and a plurality of columnar stirring bars connected to the mounting disc. The columnar stirring strips are arranged to be columnar, so that the shearing force and the destructive force to the color points are small in the stirring process, and the stability of the shapes of the color points is effectively ensured.
The technical scheme also provides stone-like coating processing equipment which comprises a pre-cutting device, a slicing device and a stirring device, wherein the pre-cutting device comprises a first hydraulic lifting table, a first supporting table arranged on the first hydraulic lifting table and a first motor fixedly arranged on the first supporting table, and a first stirring shaft driven by the first motor is rotatably connected to the first supporting table; a precut net with the aperture of 2-2.5cm is arranged below the first stirring shaft; the slicing device comprises a second hydraulic lifting table, a second supporting table arranged on the second hydraulic lifting table and a second motor fixedly arranged on the second supporting table, and a second stirring shaft driven by the second motor is rotatably connected to the second supporting table; a vertical slicing disc is arranged below the second stirring shaft, the vertical slicing disc comprises a connecting column arranged below the second stirring shaft and a plurality of groups of cutter sets uniformly distributed around the second stirring shaft, each cutter set comprises 2 cutters arranged in parallel and connecting strips for connecting the 2 cutters, the connecting strips are all fixed on the connecting column, and the arrangement direction of the cutters faces the tangential direction of the second stirring shaft; the stirring device comprises a third hydraulic lifting platform, a third supporting platform arranged on the third hydraulic lifting platform and a third motor fixedly arranged on the third supporting platform, and a third stirring shaft driven by the third motor is rotatably connected to the third supporting platform; a columnar stirring disc is arranged below the third stirring shaft and comprises a mounting disc and a plurality of columnar stirring strips connected to the mounting disc.
When the pigment is precut, the precutting device is used for processing, and the first hydraulic lifting platform is operated to enable the precutting net to move up and down to precut the pigment. When the color points are sliced, the slicing device is used for processing, and the vertical slicing disc on the second stirring shaft is driven by the second motor to slice the color points. And when the color point mixed liquid which is added into the continuous phase and is granulated is stirred, a stirring device is used for processing, and a third motor drives a shape stirring disc on a third stirring shaft to stir the material.
The scheme also provides stone-like coating processing equipment which comprises a pre-cutting net, a vertical slicing disc, a columnar stirring disc, a hydraulic lifting table, a supporting table arranged on the hydraulic lifting table and a motor fixedly arranged on the supporting table, wherein the aperture of the pre-cutting net is 2-2.5 cm; a rotating shaft driven by a motor is rotatably connected to the supporting platform; the vertical cutter disc comprises a plurality of cutter groups distributed in a surrounding manner, and each cutter group comprises 2 cutters arranged in parallel and a connecting strip for connecting the 2 cutters; the columnar stirring disc comprises an installation disc and a plurality of columnar stirring strips connected to the installation disc; a connecting table is fixed on each of the pre-cutting net, the mounting disc and the connecting strip, a groove is formed in the circumferential side wall of the connecting table, a bulge is connected in the groove in a sliding manner, and a compression spring for resetting the bulge is arranged in the groove; the lower extreme of pivot is fixed with the connecting block, and the bottom of connecting block is opened have can with be connected a complex notch, still opens the opening that has and communicate with the notch on the connecting block, and the arch can stretch into in the opening. Set up like this, the different connection platform all can be dismantled on the connecting block with the installation, and through changing net, vertical section dish, the column agitator disk of cutting in advance, can satisfy the demand of stirring to the look point of the colorant in advance cutting, section and accomplishing of granulation in joining the continuous phase.
Drawings
Fig. 1 is a schematic structural diagram of a pre-cutting device according to a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a slicing apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a stirring device according to a first embodiment of the present invention;
FIG. 4 is a schematic view of a stone-like coating prepared in accordance with one embodiment of the present invention;
FIG. 5 is a schematic view of a stone-like coating produced in example two of the present invention;
FIG. 6 is a schematic view of a stone-like coating prepared in example three of the present invention;
FIG. 7 is a schematic view of a stone-like coating produced in example four of the present invention;
FIG. 8 is a schematic view of a stone-like coating material obtained in comparative example one of the present invention;
FIG. 9 is a schematic view of a stone-like coating material obtained in comparative example II of the present invention;
FIG. 10 is a schematic view of a stone-like coating material obtained in comparative example three of the present invention;
FIG. 11 is a schematic view of a stone-like coating material obtained in comparative example four of the present invention;
FIG. 12 is a schematic view of a stone-like coating material obtained in comparative example five of the present invention.
Detailed Description
The following describes in detail the stone-like paint, the processing method of the stone-like paint, and the processing apparatus of the stone-like paint, taking example 1 as an example, and other examples and comparative examples are shown in table 1, and the parts not shown are the same as those in example 1.
Reference numerals in the drawings of the specification include: the device comprises a first hydraulic lifting table 10, a first motor 11, a first supporting table 12, a first stirring shaft 13, a pre-cutting net 14, a third hydraulic lifting table 20, a third supporting table 21, a third motor 22, a third stirring shaft 23, a mounting disc 24, a columnar stirring strip 241, a second hydraulic lifting table 30, a second supporting table 31, a second motor 32, a second stirring shaft 33, a cutting knife 34 and a connecting strip 35.
Example one
The stone-like coating comprises a dispersed phase, a protective agent and a continuous phase, wherein the mass part ratio of the dispersed phase to the protective agent to the continuous phase is 5: 3: 2.
the protective agent comprises 920 parts of deionized water, 1.2 parts of bactericide and 60 parts of protective rubber powder.
The dispersed phase comprises 510 parts of deionized water, 2 parts of associated cellulose, 8 parts of hydroxyethyl cellulose, 9 parts of propylene glycol, 8 parts of titanium dioxide, 35 parts of kaolin, 1.5 parts of dispersing agent, 1.2 parts of foam inhibitor, 1 part of pH regulator, 2 parts of defoaming agent, 2.5 parts of preservative, 1.2 parts of wetting agent, 210 parts of pure acrylic emulsion and 40 parts of protective agent solution.
The continuous phase comprises 220 parts of deionized water, 610 parts of silicone-acrylate emulsion, 35 parts of propylene glycol, 2 parts of defoaming agent, 2.5 parts of preservative, 2 parts of pH regulator, 22 parts of film-forming assistant and 7 parts of thickening agent.
The embodiment also provides a processing method of the stone-like coating, which comprises the following processing steps:
(1) preparing a protective agent: adding a bactericide into deionized water, stirring uniformly, adding protective rubber powder, and dispersing at a high speed of 1300r/min for 60 min;
(2) preparation of the dispersed phase: adding association cellulose, hydroxyethyl cellulose, propylene glycol, titanium dioxide, kaolin, a dispersing agent and a foam inhibitor into deionized water, and stirring for 2min at a stirring speed of 300 r/min; adding pH regulator, gradually increasing rotation speed to 1300r/min, and dispersing at high speed for 10 min; then adding pure acrylic emulsion, a defoaming agent, a preservative, a wetting agent and a protective agent solution, and dispersing at a high speed for 5-10min until the surface of the base material is smooth;
(3) preparation of the continuous phase: adding silicone-acrylate emulsion, propylene glycol, a defoaming agent, a preservative, a pH regulator and a film-forming auxiliary agent into deionized water, and stirring for 5min at the stirring speed of 300 r/min; adding a thickening agent, adjusting the rotating speed to 750r/min, and stirring for 5min to be uniform;
(4) preparing a pigment: adding color paste into the dispersed phase prepared in the step (2) to prepare pigments with different colors;
(5) adding pigments with different colors into the protective agent prepared in the step (1) according to the required color ratio, performing up-and-down motion cutting by using a pre-cut net with the aperture of 2-2.5cm, pre-cutting the pigments, and cutting into color dots with the size of 1-1.5 cm. Cutting the color points by using a blade at a stirring speed of 100-300r/min for 5-10min to disperse the color points to the required size to obtain a color point mixed solution after granulation; the specific stirring speed and time are adjusted according to the size of the color point, and the smaller the color point is, the larger the rotating speed is, and the longer the time is. And adding the color point mixed solution after granulation into the continuous phase, and uniformly stirring.
This embodiment still provides the technical scheme of the processing equipment that the processing imitative stone coating in-process used, and the processing equipment of imitative stone coating includes cutting device, section device and agitating unit in advance. As shown in fig. 1, the pre-cutting device includes a first hydraulic elevating stage 10, a first supporting stage 12, and a first motor 11 fixedly installed on the first supporting stage 12, the first supporting stage 12 is fixedly installed on the first hydraulic elevating stage 10, and the first supporting stage 12 can be moved up and down by operating the first hydraulic elevating stage 10. The first support table 12 is rotatably connected with a first stirring shaft 13, an output shaft of the first motor 11 is fixedly provided with a first driving wheel, the stirring shaft is fixedly provided with a first driven wheel, and a first conveying belt is connected between the first driving wheel and the first driven wheel. A pre-cutting net is welded below the first stirring shaft 13, the aperture of the pre-cutting net is 2-2.5cm, and the pre-cutting net is perpendicular to the first stirring shaft 13.
As shown in fig. 2, the slicing apparatus includes a second hydraulic elevating table 30, a second support table 31, and a second motor 32 fixedly mounted on the second support table 31, the second support table 31 is fixedly mounted on the second hydraulic elevating table 30, and the second support table 31 can be moved up and down by operating the second hydraulic elevating table 30. A second stirring shaft 33 is rotatably connected to the second support platform 31, a second driving wheel is fixed to an output shaft of the second motor 32, a second driven wheel is fixed to the stirring shaft, and a second conveying belt is connected between the second driving wheel and the second driven wheel. Vertical section dish is installed to second (mixing) shaft 33's below, and vertical cutter 34 dish is including welding at second (mixing) shaft 33 below spliced pole and 3 group around second (mixing) shaft 33 evenly distributed's cutter 34 group, and cutter 34 group is including 2 parallel arrangement's cutter 34 and the connecting strip 35 of connecting 2 cutters 34, and connecting strip 35 all is fixed on the spliced pole, and cutter 34 arranges the tangential direction of direction towards second (mixing) shaft 33.
As shown in fig. 3, the stirring device includes a third hydraulic elevating table, a third supporting table 21, and a third motor 22 fixedly mounted on the third supporting table 21, the third supporting table 21 is fixedly mounted on the third hydraulic elevating table, and the third supporting table 21 can be moved up and down by operating the third hydraulic elevating table. A third stirring shaft 23 is rotatably connected to the third support table 21, a third driving wheel is fixed to an output shaft of the third motor 22, a third driven wheel is fixed to the stirring shaft, and a third conveying belt is connected between the third driving wheel and the third driven wheel. A columnar stirring disc is arranged below the third stirring shaft 23, and the columnar stirring disc comprises a mounting disc 24 and a plurality of columnar stirring strips 241 connected to the mounting disc 24.
Example two
The present embodiment is different from the first embodiment only in that: the processing equipment of the stone-like coating is different from the first embodiment. In this embodiment, the processing equipment of imitative stone coating includes precut net, vertical section dish, column agitator disk, hydraulic elevating platform, brace table and fixed mounting motor on the brace table, and the aperture of precut net is 2-2.5 cm. The supporting table is fixedly arranged on the hydraulic lifting table, and the supporting table can move up and down by operating the hydraulic lifting table. The supporting table is rotatably connected with a rotating shaft, an output shaft of the motor is fixedly provided with a driving wheel, a driven wheel is fixedly arranged on the rotating shaft, and a conveying belt is connected between the driving wheel and the driven wheel.
The vertical cutter head comprises 3 cutter groups which are uniformly distributed around the second stirring shaft, each cutter group comprises 2 cutters which are arranged in parallel and connecting strips which connect the 2 cutters, and the arrangement direction of the cutters is the tangential direction of the second stirring shaft. The column agitator disk includes the mounting disc and many column stirring strips of connecting on the mounting disc. All be fixed with on net, mounting disc and the connecting strip in advance and connect the platform (3 connecting strips all fix on same connection bench), it has 2 recesses to open on the circumference lateral wall of connection platform, and sliding connection has the arch in the recess, is equipped with compression spring in the recess, and compression spring's one end is connected on the recess inner wall, and compression spring's the other end is connected in the arch. The lower extreme of pivot is fixed with the connecting block, and the bottom of connecting block is opened have can with be connected a complex notch, still opens the opening that has and the notch intercommunication on the connecting block, and the arch can stretch into in the opening. Set up like this, different connection platforms all can be dismantled on the connecting block with the installation, can satisfy through changing cutting net, vertical section dish, column agitator disk in advance, cut in advance, the section of colouring material and carry out the demand of stirring to the color point of adding the continuous phase granulation completion.
The stone-like coatings prepared in examples 1 to 4 and comparative examples 1 to 5 are shown in fig. 4 to 12 in sequence, and the shape and appearance of the stone-like coating can be observed to obtain: the color particles of the stone-like paint in the examples 1 to 4 are basically distributed in a sheet shape, the appearance is natural, and the simulation degree is high. The stone-like paint in comparative example 1 was bleeding and was relatively faint in color, from which it was concluded that the quantitative wetting agent contributed to improvement in bleeding resistance of the stone-like paint. In comparative examples 2 to 5, the stone-like coating had thick overall color grains, more burrs, or round and regular color points, poor simulation, and overall lack of naturalness, and it was concluded from this that whether or not associative cellulose and hydroxyethyl cellulose were added and the amounts of addition had great effects on the appearance of the color grains.
Claims (10)
1. The stone-like coating is characterized in that: the method comprises the following raw materials: a dispersed phase, a protective agent and a continuous phase; the protective agent comprises deionized water, a bactericide and protective rubber powder; the dispersed phase comprises deionized water, associated cellulose, hydroxyethyl cellulose, propylene glycol, a filler, a first auxiliary agent, a pure acrylic emulsion and a protective agent solution; the continuous phase comprises deionized water, silicone-acrylate emulsion, propylene glycol and a second auxiliary agent; the mass part ratio of the dispersed phase, the protective agent and the continuous phase is 5: 2.7-3.3: 1.7-2.3.
2. The stone-like coating according to claim 1, wherein: the first auxiliary agent comprises a dispersing agent, a foam inhibitor, a pH regulator, a defoaming agent, a preservative and a wetting agent; the filler comprises titanium dioxide and kaolin; the second auxiliary agent comprises a defoaming agent, a preservative, a pH regulator, a film-forming auxiliary agent and a thickening agent.
3. The stone-like coating according to claim 2, wherein: the feed comprises the following raw materials in parts by mass: the protective agent comprises 900 portions of deionized water and 950 portions of bactericide, 1 to 3 portions of bactericide and 50 to 100 portions of protective rubber powder; the dispersed phase comprises 500-600 parts of deionized water, 1-3 parts of associated cellulose, 7-10 parts of hydroxyethyl cellulose, 8-15 parts of propylene glycol, 5-20 parts of titanium dioxide, 20-80 parts of kaolin, 1-4 parts of a dispersing agent, 1-3 parts of a foam inhibitor, 1-2 parts of a pH regulator, 1-3 parts of a defoaming agent, 2-4 parts of a preservative, 1-2 parts of a wetting agent, 300 parts of a pure acrylic emulsion and 30-100 parts of a protective agent solution; the continuous phase comprises 300 parts of deionized water 200-700 parts, 700 parts of silicone-acrylic emulsion 600-700 parts, 30-50 parts of propylene glycol, 2-4 parts of defoaming agent, 2-5 parts of preservative, 2-4 parts of pH regulator, 20-30 parts of film-forming assistant and 5-15 parts of thickening agent.
4. The stone-like coating according to claim 3, wherein: the mass part ratio of the dispersed phase, the protective agent and the continuous phase is 5: 3: 2.
5. the processing method of the stone-like coating is characterized by comprising the following steps: the method comprises the following processing steps:
(1) preparing a protective agent: adding a bactericide into deionized water, stirring uniformly, adding protective rubber powder, and dispersing at a high speed of 45-70min and a dispersion speed of 1000-;
(2) preparation of the dispersed phase: adding association cellulose, hydroxyethyl cellulose, propylene glycol, titanium dioxide, kaolin, a dispersing agent and a foam inhibitor into deionized water, and stirring for 1.5-3min at a stirring speed of 400 r/min; adding a pH regulator, gradually increasing the rotation speed to 1000-; then adding pure acrylic emulsion, a defoaming agent, a preservative, a wetting agent and a protective agent solution, and dispersing at a high speed for 5-10min until the surface of the base material is smooth;
(3) preparation of the continuous phase: adding silicone-acrylate emulsion, propylene glycol, a defoaming agent, a preservative, a pH regulator and a film-forming additive into deionized water, and stirring for 5min at the stirring speed of 200-400 r/min; adding a thickening agent, adjusting the rotating speed to 500-;
(4) preparing a pigment: adding color paste into the dispersed phase prepared in the step (2) to prepare pigments with different colors;
(5) adding pigments with different colors into the protective agent prepared in the step (1) according to a ratio, precutting the pigments, and cutting the pigments into color dots with the size of 1-1.5 cm; slicing the color points by using a vertical slicing disc, and dispersing the color points to the required size according to the rotating speed determined by the size of the color points to obtain a color point mixed solution after granulation; and adding the color point mixed solution after granulation into the continuous phase, and uniformly stirring.
6. The method for processing a stone-like paint according to claim 5, wherein: in the step (5), the precutting is carried out by moving the precutting web with the aperture of 2-2.5cm up and down for 5-10 times.
7. The method for processing a stone-like paint according to claim 6, wherein: in the step (5), the vertical cutter disc comprises a connecting column and a plurality of cutter sets which are uniformly distributed around the connecting column, each cutter set comprises 2 cutters which are arranged in parallel and connecting strips which connect the 2 cutters, the connecting strips are fixed on the connecting column, and the arrangement direction of the cutters faces the tangential direction of the connecting column.
8. The method for processing a stone-like paint according to claim 7, characterized in that: and (5) stirring the color point mixed solution added into the continuous phase after granulation by using a columnar stirring disc, wherein the columnar stirring disc comprises a mounting disc and a plurality of columnar stirring strips connected to the mounting disc.
9. The processing equipment of the stone-like coating is characterized in that: the pre-cutting device comprises a first hydraulic lifting table, a first supporting table arranged on the first hydraulic lifting table and a first motor fixedly arranged on the first supporting table, wherein a first stirring shaft driven by the first motor is rotatably connected to the first supporting table; a precut net with the aperture of 2-2.5cm is arranged below the first stirring shaft; the slicing device comprises a second hydraulic lifting platform, a second supporting platform arranged on the second hydraulic lifting platform and a second motor fixedly arranged on the second supporting platform, and a second stirring shaft driven by the second motor is rotatably connected to the second supporting platform; a vertical slicing disc is arranged below the second stirring shaft, the vertical slicing disc comprises a connecting column arranged below the second stirring shaft and a plurality of groups of cutter sets uniformly distributed around the second stirring shaft, each cutter set comprises 2 cutters arranged in parallel and connecting strips for connecting the 2 cutters, the connecting strips are all fixed on the connecting column, and the arrangement direction of the cutters faces the tangential direction of the second stirring shaft; the stirring device comprises a third hydraulic lifting platform, a third supporting platform arranged on the third hydraulic lifting platform and a third motor fixedly arranged on the third supporting platform, and a third stirring shaft driven by the third motor is rotatably connected to the third supporting platform; the column agitator disk is installed to the below of third (mixing) shaft, and the column agitator disk includes mounting disc and many column stirring strips of connecting on the mounting disc.
10. The processing equipment of the stone-like coating is characterized in that: the device comprises a pre-cutting net, a vertical slicing disc, a columnar stirring disc, a hydraulic lifting table, a supporting table arranged on the hydraulic lifting table and a motor fixedly arranged on the supporting table, wherein the aperture of the pre-cutting net is 2-2.5 cm; a rotating shaft driven by a motor is rotatably connected to the supporting platform; the vertical cutter disc comprises a plurality of cutter groups distributed in a surrounding manner, and each cutter group comprises 2 cutters arranged in parallel and a connecting strip for connecting the 2 cutters; the columnar stirring disc comprises an installation disc and a plurality of columnar stirring strips connected to the installation disc; a connecting table is fixed on each of the pre-cutting net, the mounting disc and the connecting strip, a groove is formed in the circumferential side wall of the connecting table, a bulge is connected in the groove in a sliding manner, and a compression spring for resetting the bulge is arranged in the groove; the lower extreme of pivot is fixed with the connecting block, and the bottom of connecting block is opened have can with be connected a complex notch, still opens the opening that has and the notch intercommunication on the connecting block, and the arch can stretch into in the opening.
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| KR100576265B1 (en) * | 2005-10-20 | 2006-05-04 | 대보페인트 주식회사 | Stone-like spray coating composition containing color mica |
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