CN111269601A

CN111269601A - Waterproof paint for art and processing technology thereof

Info

Publication number: CN111269601A
Application number: CN202010125532.3A
Authority: CN
Inventors: 韩岩岩
Original assignee: Hefei Normal University
Current assignee: Hefei Normal University
Priority date: 2020-02-27
Filing date: 2020-02-27
Publication date: 2020-06-12
Anticipated expiration: 2040-02-27
Also published as: CN111269601B

Abstract

The invention discloses an art waterproof pigment and a processing technology thereof, wherein the art waterproof pigment is prepared from the following raw materials in parts by weight: 30-60 parts of pigment powder, 10-15 parts of waterproof latex, 2-5 parts of wetting agent, 3-5 parts of preservative, 1-3.5 parts of dispersant, 3-5 parts of thickener, 1.5-3 parts of talcum powder, 1.5-3 parts of kaolin powder and 10-12 parts of deionized water; the pigment contains waterproof latex, intramolecular hydrogen bonds exist in the molecular structure of the waterproof latex, intramolecular hydrogen bonds formed between hydroxyl groups on benzene rings and carbonyl oxygen form a chelate ring, when the pigment is illuminated, molecules vibrate thermally, the hydrogen bonds break, the chelate ring is opened, light energy is converted into heat energy to be released, the waterproof latex molecules can form a layer of waterproof film on the surface of the pigment after the pigment is dried, and meanwhile, the waterproof latex contains halogen atoms, so that the hydrophobicity of the waterproof latex molecules is improved, and the waterproofness of the pigment is further enhanced.

Description

Waterproof paint for art and processing technology thereof

Technical Field

The invention belongs to the field of pigment preparation, and particularly relates to an art waterproof pigment and a processing technology thereof.

Background

The pigment is a substance capable of dyeing objects with colors, the pigment has soluble and insoluble properties and has inorganic and organic differences, the inorganic pigment is generally a mineral substance, people have long known to use the inorganic pigment, colored soil and ores are utilized to draw and paint the body on the rock wall, the organic pigment is generally extracted from plants and marine animals, such as madder blue, gamboge and ancient Roman, from the purple of shellfish, in the east, the pigment production of the traditional Chinese painting has a long history, although the early painting has less survivals, but the current social and economic culture development degree and the achievement of bronze, ceramics, lacquerware, textile industry and the like can roughly estimate the use level of the pigment and dye, the common art pigment is influenced by humid air for a long time after the pigment is dried, the phenomenon of pigment color falling can occur, and when the pigment is illuminated, the pigment can change color, even part of the pigment falls off, so that the aesthetic property of the product is reduced, and the part of the pigment is not thoroughly mixed and dispersed, so that the tinting strength and the chromatic light of the pigment are poor, and the product quality of the art pigment is influenced.

Disclosure of Invention

The invention aims to provide an art waterproof pigment and a processing technology thereof.

The technical problems to be solved by the invention are as follows:

after being dried, common art pigments are affected by humid air for a long time, the color of the pigments is dropped, and the colors of the pigments are changed when the pigments are illuminated, so that the use of users is seriously affected;

the dispersion need be stirred in the preparation process to the fine arts pigment commonly used, and traditional stirring dispersion devices, dispersion effect are general for the tinctorial strength and the chromatic light of pigment are relatively poor, have influenced the product quality of fine arts pigment.

The purpose of the invention can be realized by the following technical scheme:

the art waterproof pigment is prepared from the following raw materials in parts by weight: 30-60 parts of pigment powder, 10-15 parts of waterproof latex, 2-5 parts of wetting agent, 3-5 parts of preservative, 1-3.5 parts of dispersant, 3-5 parts of thickener, 1.5-3 parts of talcum powder, 1.5-3 parts of kaolin powder and 10-12 parts of deionized water;

the art waterproof pigment is prepared by the following steps:

step S1: respectively putting the pigment powder, the talcum powder and the kaolin powder into a dryer, and drying at the temperature of 80-90 ℃ to obtain dried pigment powder, talcum powder and kaolin powder;

step S2: respectively putting the pigment powder, the talcum powder and the kaolin powder obtained in the step S1 into a grinding machine for grinding, and sieving through a 100-mesh and 120-mesh sieve to obtain the ground pigment powder, the talcum powder and the kaolin powder;

step S3: adding the pigment powder, the talcum powder and the kaolin powder obtained in the step S2 into a first feeding bin, adding the waterproof latex, the wetting agent, the preservative, the dispersant, the thickener and the deionized water into a second feeding bin, opening valves in the first feeding port and the second feeding port, opening a first motor and a third motor, driving a stirring shaft to rotate by the first motor, driving stirring blades to mix at the rotating speed of 1500 plus 2000r/min by the stirring shaft for 30-60min, standing for 5-8h, continuing mixing for 1-1.5h, opening the third motor, driving a convex shaft by the third motor, driving a connecting rod 55 to move up and down by the convex shaft, driving a U-shaped rod to move up and down by the U-shaped rod, driving the third motor to move up and down by the U-shaped rod, opening the valves in the second motor and the feeding port after mixing is finished, driving a second driving wheel to rotate by the second motor, driving a second grinding roll shaft and a first driving wheel to rotate, the second grinding roller shaft drives the second grinding roller to rotate, the first driving wheel drives the first grinding roller shaft to rotate, the first grinding roller shaft drives the first grinding roller shaft to rotate, the mixture is ground, and through screening of the sieve plate, the pigment with the fineness of 500 plus one 600 meshes enters the material collecting bin and is collected by the discharge port to prepare the waterproof pigment for art.

Further, the wetting agent is one or two of glycerin and sulfonated oil which are mixed in any proportion, the preservative is one or two of isothiazolinone and methylisothiazolinone which are mixed in any proportion, the thickening agent is one or two of methylcellulose and carboxymethylcellulose which are mixed in any proportion, and the dispersing agent is one or two of gelatin and sodium alginate which are mixed in any proportion.

Further, the waterproof latex is prepared by the following steps:

a1: adding sodium dodecyl benzene sulfonate and deionized water into a stirring kettle, stirring for 5-10min at the rotation speed of 1000-1500r/min and the temperature of 80-90 ℃ until the sodium dodecyl benzene sulfonate is completely dissolved, and cooling to 50-60 ℃ to obtain a sodium dodecyl benzene sulfonate solution;

a2: adding 2-hydroxy-4-methoxybenzophenone and ether into a reflux reaction kettle, stirring at the rotation speed of 1000-1500r/min until the 2-hydroxy-4-methoxybenzophenone is completely dissolved, adding aluminum trichloride, introducing methane chloride gas to fill the reaction kettle, and carrying out reflux reaction for 1-1.5h at the rotation speed of 300-400r/min and the temperature of 40-50 ℃ to obtain an intermediate A;

the reaction process is as follows:

a3: adding the intermediate A and ethanol into a reaction kettle, stirring at the rotation speed of 1000-1500r/min until the intermediate A is completely dissolved, adding liquid bromine, reacting for 40-60min at the rotation speed of 300-400r/min under illumination to obtain an intermediate B, adding a sodium hydroxide solution into the reaction kettle, and reacting for 1-1.5h at the temperature of 70-90 ℃ to obtain an intermediate C;

the reaction process is as follows:

a4: adding methacrylic acid, the intermediate C, sodium hydroxide, deionized water and 4-dimethylaminopyridine into a reaction kettle, reacting for 6-8h at the temperature of 80-90 ℃ to obtain an intermediate D, adding the sodium dodecyl benzene sulfonate solution prepared in the step A1 and the intermediate D into a stirring kettle, introducing nitrogen to fill the stirring kettle, stirring for 20-30min at the rotation speed of 200-300r/min, adding ammonium persulfate, and continuously stirring for 1-1.5h to obtain the waterproof latex.

The reaction process is as follows:

further, the mass ratio of the 2-hydroxy-4-methoxybenzophenone and the aluminum trichloride in the step A2 is 1: 2, the dosage ratio of the intermediate A, the liquid bromine and the sodium hydroxide solution in the step A3 is 1 g: 1.5 mL: 10mL, wherein the mass fraction of sodium hydroxide in the sodium hydroxide solution in the step A3 is 10%, and the dosage ratio of the methacrylic acid, the intermediate C, the sodium hydroxide, the deionized water and the 4-dimethylaminopyridine in the step A4 is 10 mL: 5 g: 0.5 g: 5mL of: 0.3 g.

Further, the pigment mixing and grinding device of step S3 includes a base, a bin body is disposed at the upper end of the base, a partition board is fixed inside the bin body, the partition board divides the bin body into a stirring bin and a collecting bin, a feed opening is disposed at the center of the partition board, a discharge opening is disposed at the bottom end of the collecting bin, a first motor is fixed at the center of the top end of the outer portion of the bin body, a stirring shaft is fixed on an output shaft of the first motor, the stirring shaft penetrates through the bin body and is rotatably connected with the side wall of the bin body, the stirring shaft is slidably connected with the side wall of the bin body, a plurality of stirring blades are fixed on the stirring shaft and are located inside the stirring bin, motor sliding rods are fixed at two sides of the first motor, a U-shaped rod is disposed at the upper end of the first motor, the end of the U-shaped rod is fixedly connected with the motor, the motor slide bar is matched with the motor slide groove, the grinding bin is arranged in the material collecting bin, the center of the top end of the grinding bin is fixedly connected with the bottom end of the feed opening, the grinding bin is communicated with the inner part of the feed opening, the bottom end of the grinding bin is provided with a sieve plate, the grinding bin is internally provided with a first grinding roller and a second grinding roller, the top ends of two sides of the outer part of the bin body are respectively provided with a first feeding bin and a second feeding bin, the bottom end of one side, close to the bin body, of the first feeding bin is provided with a first feeding opening, the bottom end of the first feeding opening is fixedly connected with the bin body, the first feeding opening is communicated with the inner part of the bin body, the bottom end of one side, close to the bin body, of the second feeding bin is provided with a second feeding opening, the bottom end of the second feeding opening is fixedly connected with the bin body, the second feeding opening is communicated with the inner part of the bin, a motor base plate is fixed between the third motor and the connecting plate, the vertical plate is fixedly connected with the connecting plate, a convex shaft is fixed on an output shaft of the third motor in an extending mode, the end of the convex shaft is rotatably connected with the vertical plate, and a connecting rod is installed between the convex shaft and the U-shaped rod.

Further, base upper surface fixed with four evenly distributed's support column, the inside of support column is equipped with the telescopic link, the top of telescopic link is fixed with the connection slide bar, the spring has been cup jointed on the telescopic link, the one end of spring and the inner wall fixed connection of support column, the other end and the first connection slide bar fixed connection of spring open on the lateral wall of support column has the spout, connect the slide bar and cooperate with the spout, connect the slide bar and the lateral wall fixed connection of the storehouse body.

Further, the grinding bin comprises a first bin and a second bin, the first bin is communicated with the inside of the second bin, the first grinding roller is positioned in the first bin, the second grinding roller is positioned in the second bin, the first grinding roller is attached to the second grinding roller, a first grinding roller shaft is fixed at the top end of the first grinding roller, the first grinding roller shaft penetrates through the top wall of the first bin, the first grinding roller shaft is rotatably connected with the first bin, a first transmission wheel is fixed at the top end of the first grinding roller shaft, a second grinding roller shaft is fixed at the top end of the second grinding roller, the second grinding roller shaft penetrates through the top wall of the second bin, the second grinding roller shaft is rotatably connected with the second bin, a second transmission wheel is fixed at the top end of the second grinding roller shaft, a transmission belt is installed between the second transmission wheel and the first transmission wheel, a second motor is arranged at the upper end of the second transmission wheel, an output shaft of the second motor extends to be fixedly connected with the second transmission wheel, a fixed rod is fixed between the second motor and the clapboard.

Further, feed opening, discharge gate, first charge door, the inside of second charge door all be equipped with the valve, the both ends of connecting rod are fixed with the connector, the center end of a connector and U type pole rotates to be connected, another connector rotates with the center end of protruding type axle to be connected.

The invention has the beneficial effects that: the invention prepares a waterproof latex in the process of preparing a waterproof pigment for art, the molecular structure of the waterproof latex has intramolecular hydrogen bonds, the intramolecular hydrogen bonds formed between hydroxyl on a benzene ring and carbonyl oxygen form a chelate ring, when the pigment is illuminated, the molecules vibrate thermally, the hydrogen bonds break, the chelate ring is opened, the light energy is converted into heat energy to be released, the pigment is effectively protected from photochemical reaction caused by illumination, the waterproof latex is similar to a macromolecular compound of acrylic latex, the waterproof latex molecules can form a layer of waterproof film on the surface of the pigment after the pigment is dried, and simultaneously the waterproof latex contains halogen atoms, so that the hydrophobicity of the waterproof latex molecules is improved, and the waterproof property of the pigment is further enhanced, a pigment mixing and grinding device is used in the process of preparing the waterproof pigment for art, the device is a completely closed space when the raw materials are mixed and ground, the external pollution to the raw materials has effectually been prevented, and stirring vane is in the inside up-and-down motion in stirring the storehouse in the stirring for dead angle can not appear when stirring the raw materials to stirring vane, has promoted the efficiency that the raw materials mixes, makes pigment mix the dispersion more abundant, and then has promoted the service quality of pigment product.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the structure of a pigment mixing and grinding apparatus for water-proof art paint and its processing technology;

FIG. 2 is a top view of the water-proof art pigment and the pigment mixing and grinding device used in the manufacturing process;

FIG. 3 is a schematic view of the structure A in FIG. 1;

FIG. 4 is a schematic view of the structure B in FIG. 1;

FIG. 5 is a top view of a grinding silo.

In the figure: 1. a base; 11. a support pillar; 12. a telescopic rod; 13. a spring; 14. connecting a sliding rod; 2. a bin body; 21. a partition plate; 211. a feeding port; 22. a stirring bin; 23. a material collecting bin; 24. a discharge port; 25. a first motor; 251. a stirring shaft; 252. a stirring blade; 253. a motor slide bar; 254. a U-shaped rod; 26. a limiting plate; 261. a motor chute; 27. a grinding bin; 271. a sieve plate; 272. a first chamber; 273. a second chamber; 274. a first grinding roller; 2741. a first grinding roller shaft; 2742. a first drive pulley; 275. a second grinding roller; 2751. a second grinding roller shaft; 2752. a second transmission wheel; 276. a transmission belt; 28. a second motor; 281. fixing the rod; 3. a first feeding bin; 31. a first feed inlet; 4. a second feeding bin; 41. a second feed inlet; 5. a connecting plate; 51. a square through hole; 52. a third motor; 521. a motor base plate; 53. a vertical plate; 54. a male shaft; 55. a connecting rod; 551. a connecting head.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

The art waterproof pigment is prepared from the following raw materials in parts by weight: 30 parts of pigment powder, 10 parts of waterproof latex, 2 parts of wetting agent, 3 parts of preservative, 1 part of dispersing agent, 3 parts of thickening agent, 1.5 parts of talcum powder, 1.5 parts of kaolin powder and 10 parts of deionized water;

the art waterproof pigment is prepared by the following steps:

step S1: respectively putting the pigment powder, the talcum powder and the kaolin powder into a dryer, and drying at the temperature of 80 ℃ to obtain dried pigment powder, talcum powder and kaolin powder;

step S2: respectively putting the pigment powder, the talcum powder and the kaolin powder obtained in the step S1 into a grinding machine for grinding, and sieving by a 100-mesh sieve to obtain the ground pigment powder, the talcum powder and the kaolin powder;

step S3: and (4) adding the pigment powder obtained in the step (S2), talcum powder, kaolin powder, waterproof latex, a wetting agent, a preservative, a dispersing agent, a thickening agent and deionized water into a pigment mixing and grinding device, mixing for 30min under the condition that the rotating speed is 1500r/min, standing for 5h, continuing mixing for 1h, grinding through a 500-mesh screen, and thus obtaining the waterproof pigment for art.

The waterproof latex is prepared by the following steps:

a1: adding sodium dodecyl benzene sulfonate and deionized water into a stirring kettle, stirring for 5min at the rotating speed of 1000r/min and the temperature of 80 ℃ until the sodium dodecyl benzene sulfonate is completely dissolved, and cooling to 50 ℃ to prepare a sodium dodecyl benzene sulfonate solution;

a2: adding 2-hydroxy-4-methoxybenzophenone and ether into a reflux reaction kettle, stirring at the rotation speed of 1000r/min until the 2-hydroxy-4-methoxybenzophenone is completely dissolved, adding aluminum trichloride, introducing methane chloride gas to fill the reaction kettle, and carrying out reflux reaction for 1h at the rotation speed of 300r/min and the temperature of 40 ℃ to obtain an intermediate A;

a3: adding the intermediate A and ethanol into a reaction kettle, stirring until the intermediate A is completely dissolved under the condition of the rotating speed of 1000r/min, adding liquid bromine, reacting for 40min under the illumination condition of the rotating speed of 300r/min to obtain an intermediate B, adding a sodium hydroxide solution into the reaction kettle, and reacting for 1h under the condition of the temperature of 70 ℃ to obtain an intermediate C;

a4: adding methacrylic acid, the intermediate C, sodium hydroxide, deionized water and 4-dimethylaminopyridine into a reaction kettle, reacting for 6 hours at the temperature of 80 ℃ to obtain an intermediate D, adding the sodium dodecyl benzene sulfonate solution prepared in the step A1 and the intermediate D into a stirring kettle, introducing nitrogen to fill the stirring kettle, stirring for 20 minutes at the rotation speed of 200r/min, adding ammonium persulfate, and continuously stirring for 1 hour to obtain the waterproof latex.

Example 2

The art waterproof pigment is prepared from the following raw materials in parts by weight: 45 parts of pigment powder, 13 parts of waterproof latex, 3.5 parts of wetting agent, 4 parts of preservative, 2 parts of dispersing agent, 4 parts of thickening agent, 2 parts of talcum powder, 2 parts of kaolin powder and 11 parts of deionized water;

the art waterproof pigment is prepared by the following steps:

step S1: respectively putting the pigment powder, the talcum powder and the kaolin powder into a dryer, and drying at the temperature of 85 ℃ to obtain dried pigment powder, talcum powder and kaolin powder;

step S2: respectively putting the pigment powder, the talcum powder and the kaolin powder obtained in the step S1 into a grinding machine for grinding, and sieving by a 110-mesh sieve to obtain the ground pigment powder, the talcum powder and the kaolin powder;

step S3: and (4) adding the pigment powder obtained in the step (S2), talcum powder, kaolin powder, waterproof latex, a wetting agent, a preservative, a dispersing agent, a thickening agent and deionized water into a pigment mixing and grinding device, mixing for 45min under the condition that the rotating speed is 1750r/min, standing for 6h, continuing mixing for 1.2 h, grinding through a 550-mesh screen, and thus obtaining the waterproof pigment for art.

Example 3

The art waterproof pigment is prepared from the following raw materials in parts by weight: 60 parts of pigment powder, 15 parts of waterproof latex, 5 parts of wetting agent, 5 parts of preservative, 3.5 parts of dispersing agent, 5 parts of thickening agent, 3 parts of talcum powder, 3 parts of kaolin powder and 12 parts of deionized water;

the art waterproof pigment is prepared by the following steps:

step S1: respectively putting the pigment powder, the talcum powder and the kaolin powder into a dryer, and drying at the temperature of 90 ℃ to obtain dried pigment powder, talcum powder and kaolin powder;

step S2: respectively putting the pigment powder, the talcum powder and the kaolin powder obtained in the step S1 into a grinding machine for grinding, and sieving by a 120-mesh sieve to obtain the ground pigment powder, the talcum powder and the kaolin powder;

step S3: and (4) adding the pigment powder obtained in the step (S2), talcum powder, kaolin powder, waterproof latex, a wetting agent, a preservative, a dispersing agent, a thickening agent and deionized water into a pigment mixing and grinding device, mixing for 60min under the condition that the rotating speed is 2000r/min, standing for 8h, continuing mixing for 1.5h, grinding through a 600-mesh screen, and thus obtaining the waterproof pigment for art.

Comparative example 1

In this comparative example, the waterproof latex was not added as compared with example 1, and the rest of the preparation method was the same as example 1.

Comparative example 2

The comparative example is a common art pigment on the market.

The pigments prepared in examples 1 to 3 and comparative examples 1 to 2 were subjected to the performance test, the test results of which are shown in table 1 below;

water resistance: the pigments prepared in examples 1-3 and comparative examples 1-2 were tested for water resistance according to GB/T5211.5-1985;

light resistance: the pigments prepared in examples 1-3 and comparative examples 1-2 were uniformly coated on a 600X 450mm palette, respectively, the palette was placed under illumination intensity of 5000-;

and (3) draining time: the pigments prepared in examples 1 to 3 and comparative examples 1 to 2 were uniformly coated on a 600X 450mm palette, and the drying time was recorded from the completion of coating until the pigments were completely dried.

TABLE 1

From table 1 above, it can be seen that the pigments prepared in examples 1 to 3 are superior in both water resistance and light resistance to comparative examples 1 to 2, and the pigments prepared in examples 1 to 3 are shorter in the time for leaving dry than comparative examples 1 to 2, so that the water-resistant pigments prepared in the present invention are superior in water resistance and light resistance and are capable of being dried quickly.

Referring to fig. 1-5, the pigment mixing and grinding apparatus used in the above embodiment includes a base 1, a bin body 2 is disposed at an upper end of the base 1, a partition 21 is fixed inside the bin body 2, the partition 21 divides the bin body 2 into a stirring bin 22 and a collecting bin 23, a discharging port 211 is disposed at a center of the partition 21, a discharging port 24 is disposed at a bottom end of the collecting bin 23, a first motor 25 is fixed at a center of an outer top end of the bin body 2, a stirring shaft 251 is fixed on an output shaft of the first motor 25, the stirring shaft 251 penetrates through the bin body 2, the stirring shaft 251 is rotatably connected with a side wall of the bin body 2, the stirring shaft 251 is slidably connected with the side wall of the bin body 2, a plurality of stirring blades 252 are fixed on the stirring shaft 252, the stirring blades 252 are disposed inside the stirring bin 22, motor slide bars 253 are fixed on two sides of the first motor 25, a U-shaped bar 254 is disposed at, limiting plates 26 are further arranged on two sides of the first motor 25, a motor sliding groove 261 is formed in the side wall, close to the first motor 25, of each limiting plate 26, a motor sliding rod 253 is matched with the motor sliding groove 261, a grinding bin 27 is arranged inside the material collecting bin 23, the top center of the grinding bin 27 is fixedly connected with the bottom end of the material outlet 211, the grinding bin 27 is communicated with the interior of the material outlet 211, a sieve plate 271 is arranged at the bottom end of the grinding bin 27, a first grinding roller 274 and a second grinding roller 275 are arranged inside the grinding bin 27, a first feeding bin 3 and a second feeding bin 4 are respectively arranged at the top ends of two outer sides of the bin body 2, a first feeding port 31 is arranged at the bottom end, close to the bin body 2, of the first feeding port 31, the bottom end of the first feeding port 31 is fixedly connected with the bin body 2, the first feeding port 31 is communicated with the interior of the bin body 2, a second feeding port 41 is arranged at the bottom end, close to the, second charge door 41 and storehouse body 2 inside intercommunication, be fixed with connecting plate 5 between first feed bin 3 and the second feed bin 4, open at the center department of connecting plate 5 has square through hole 51, square through hole 51's both sides are equipped with third motor 52 and riser 53, be fixed with motor backing plate 521 between third motor 52 and the connecting plate 5, riser 53 and connecting plate 5 fixed connection, the output shaft of third motor 52 stretches to be fixed with protruding axle 54, the end of protruding axle 54 rotates with riser 53 to be connected, install connecting rod 55 between protruding axle 54 and the U type pole 254.

Base 1 upper surface fixed with four evenly distributed's support column 11, the inside of support column 11 is equipped with telescopic link 12, the top of telescopic link 12 is fixed with connects slide bar 14, spring 13 has been cup jointed on telescopic link 12, the one end of spring 13 and the inner wall fixed connection of support column 11, the other end and the first connecting slide bar 14 fixed connection of spring 13, it has the spout to open on the lateral wall of support column 11, it cooperatees with the spout to connect slide bar 14, connect slide bar 14 and storehouse body 2's lateral wall fixed connection.

The grinding bin 27 comprises a first bin 272 and a second bin 273, the first bin 272 is communicated with the inside of the second bin 273, a first grinding roller 274 is positioned inside the first bin 272, a second grinding roller 275 is positioned inside the second bin 273, the first grinding roller 274 is attached to the second grinding roller 275, a first grinding roller shaft 2741 is fixed at the top end of the first grinding roller 274, the first grinding roller shaft 2741 penetrates through the top wall of the first bin 272, the first grinding roller shaft 2741 is rotatably connected with the first bin 272, a first transmission wheel 2742 is fixed at the top end of the first grinding roller shaft 2741, a second grinding roller shaft 2751 is fixed at the top end of the second grinding roller 275, the second grinding roller shaft 2751 penetrates through the top wall of the second bin 273, the second grinding roller shaft 2751 is rotatably connected with the second bin 273, a second transmission wheel 2752 is fixed at the top end of the second grinding roller 2751, a transmission belt 276 is installed between the second grinding roller 2752 and the first transmission wheel 2742, the upper end of the second driving wheel 2752 is provided with a second motor 28, an output shaft of the second motor 28 is fixedly connected with the second driving wheel 2752, and a fixing rod 281 is fixed between the second motor 28 and the partition 21.

The interior of the feed opening 211, the discharge opening 24, the first feed opening 31 and the second feed opening 41 are all provided with valves, two ends of the connecting rod 55 are fixed with connectors 551, one connector 551 is rotatably connected with the central end of the U-shaped rod 254, and the other connector 551 is rotatably connected with the central end of the convex shaft 54.

The working process and the principle of the pigment mixing and grinding device are as follows: adding the pigment powder, the talcum powder and the kaolin powder obtained in the step S2 into a first feeding bin 3, adding the waterproof latex, the wetting agent, the preservative, the dispersing agent, the thickening agent and the deionized water into a second feeding bin 4, opening valves inside a first feeding port 31 and a second feeding port 41, opening a first motor 25 and a third motor 52, driving a stirring shaft 251 to rotate by the first motor 25, driving a stirring blade 252 to stir by the stirring shaft 251, driving a convex shaft 54 by the third motor 52, driving a connecting rod 55 to move up and down by the convex shaft 54, driving a U-shaped rod 254 to move up and down by the connecting rod 55, driving the third motor 52 to move up and down by the U-shaped rod 254, driving the stirring blade 252 to move up and down inside the stirring bin 22 while stirring, so that the stirring blade 252 does not have a dead angle when stirring the raw materials, improving the efficiency of raw material mixing, opening a second motor 28 after mixing, driving a second driving wheel 2752 to rotate by the second motor 28, second drive wheel 2752 drives second grinding roller axle 2751 and first drive wheel 2742 and rotates, and second grinding roller axle 2751 drives second grinding roller 275 and rotates, and first drive wheel 2742 drives first grinding roller axle 2741 and rotates, and first grinding roller axle 2741 drives first grinding roller 274 and rotates, grinds the mixture, and through sieve 271 screening, qualified pigment gets into collection feed bin 23 and is collected by discharge gate 24.

The foregoing is merely exemplary and illustrative of the principles of the present invention and various modifications, additions and substitutions of the specific embodiments described herein may be made by those skilled in the art without departing from the principles of the present invention or exceeding the scope of the claims set forth herein.

Claims

1. The waterproof paint for fine arts is characterized in that: the art waterproof pigment is prepared from the following raw materials in parts by weight: 30-60 parts of pigment powder, 10-15 parts of waterproof latex, 2-5 parts of wetting agent, 3-5 parts of preservative, 1-3.5 parts of dispersant, 3-5 parts of thickener, 1.5-3 parts of talcum powder, 1.5-3 parts of kaolin powder and 10-12 parts of deionized water;

the art waterproof pigment is prepared by the following steps:

step S3: and (4) adding the pigment powder, the talcum powder, the kaolin powder, the waterproof latex, the wetting agent, the preservative, the dispersing agent, the thickening agent and the deionized water obtained in the step S2 into a pigment mixing and grinding device, mixing for 30-60min under the condition that the rotating speed is 1500-plus-2000 r/min, standing for 5-8h, continuing mixing for 1-1.5h, and grinding through a 500-plus-600-mesh screen to obtain the waterproof pigment for art.

2. The water-proof art pigment as claimed in claim 1, wherein: the wetting agent is one or two of glycerin and sulfonated oil which are mixed in any proportion, the preservative is one or two of isothiazolinone and methylisothiazolinone which are mixed in any proportion, the thickening agent is one or two of methylcellulose and carboxymethylcellulose which are mixed in any proportion, and the dispersing agent is one or two of gelatin and sodium alginate which are mixed in any proportion.

3. The water-proof art pigment as claimed in claim 1, wherein: the waterproof latex is prepared by the following steps:

4. The water-proof art pigment as claimed in claim 3, wherein: the mass ratio of the 2-hydroxy-4-methoxybenzophenone to the aluminum trichloride in the step A2 is 1: 2, the dosage ratio of the intermediate A, the liquid bromine and the sodium hydroxide solution in the step A3 is 1 g: 1.5 mL: 10mL, wherein the mass fraction of sodium hydroxide in the sodium hydroxide solution in the step A3 is 10%, and the dosage ratio of the methacrylic acid, the intermediate C, the sodium hydroxide, the deionized water and the 4-dimethylaminopyridine in the step A4 is 10 mL: 5 g: 0.5 g: 5mL of: 0.3 g.

5. The water-proof art pigment as claimed in claim 1, wherein: step A3 the pigment mixing and grinding device comprises a base (1), a bin body (2) is arranged at the upper end of the base (1), a partition plate (21) is fixed inside the bin body (2), the partition plate (21) divides the bin body (2) into a stirring bin (22) and a collecting bin (23), a feed opening (211) is formed in the center of the partition plate (21), a discharge opening (24) is formed in the bottom end of the collecting bin (23), a first motor (25) is fixed in the center of the top end of the outer portion of the bin body (2), a stirring shaft (251) is fixed on an output shaft of the first motor (25) in an extending mode, the stirring shaft (251) penetrates through the bin body (2), the stirring shaft (251) is rotatably connected with the side wall of the bin body (2), the stirring shaft (251) is slidably connected with the side wall of the bin body (2), a plurality of stirring blades (252) are fixed on the stirring shaft (, a motor sliding rod (253) is fixed on two sides of a first motor (25), a U-shaped rod (254) is arranged at the upper end of the first motor (25), the end of the U-shaped rod (254) is fixedly connected with the motor sliding rod (253), limiting plates (26) are further arranged on two sides of the first motor (25), a motor sliding groove (261) is formed in the side wall, close to the first motor (25), of each limiting plate (26), the motor sliding rod (253) is matched with the motor sliding groove (261), a grinding bin (27) is arranged inside a material collecting bin (23), the center of the top end of the grinding bin (27) is fixedly connected with the bottom end of a discharging port (211), the grinding bin (27) is communicated with the inside of the discharging port (211), a sieve plate (271) is arranged at the bottom end of the grinding bin (27), a first grinding roller (274) and a second grinding roller (275) are arranged inside the grinding bin (27), a first feeding bin (3) and a second feeding bin (4) are respectively arranged at the top ends, a first feed inlet (31) is arranged at the bottom end of one side of the first feed bin (3) close to the bin body (2), the bottom end of the first feed inlet (31) is fixedly connected with the bin body (2), the first feed inlet (31) is communicated with the interior of the bin body (2), a second feed inlet (41) is arranged at the bottom end of one side of the second feed bin (4) close to the bin body (2), the bottom end of the second feed inlet (41) is fixedly connected with the bin body (2), the second feed inlet (41) is communicated with the interior of the bin body (2), a connecting plate (5) is fixed between the first feed bin (3) and the second feed bin (4), a square through hole (51) is arranged at the center of the connecting plate (5), a third motor (52) and a vertical plate (53) are arranged at the two sides of the square through hole (51), a motor backing plate (521) is fixed between the third motor (52) and the connecting plate (5), the vertical plate (53) is fixedly connected with, a convex shaft (54) is fixed on an output shaft extension of the third motor (52), the end head of the convex shaft (54) is rotatably connected with a vertical plate (53), and a connecting rod (55) is arranged between the convex shaft (54) and a U-shaped rod (254).

6. The water-proof art pigment as claimed in claim 5, wherein: base (1) upper surface fixed with four evenly distributed's support column (11), the inside of support column (11) is equipped with telescopic link (12), the top of telescopic link (12) is fixed with connects slide bar (14), spring (13) have been cup jointed on telescopic link (12), the one end of spring (13) and the inner wall fixed connection of support column (11), the other end and first connection slide bar (14) fixed connection of spring (13), it has the spout to open on the lateral wall of support column (11), it cooperatees with the spout to connect slide bar (14), the lateral wall fixed connection of connecting slide bar (14) and storehouse body (2).

7. The water-proof art pigment as claimed in claim 5, wherein: grinding bin (27) include first bin (272) and second bin (273), first bin (272) and second bin (273) inside intercommunication, first grinding roller (274) are located the inside of first bin (272), second grinding roller (275) are located the inside of second bin (273), first grinding roller (274) and second grinding roller (275) are laminated mutually, the top of first grinding roller (274) is fixed with first grinding roller axle (2741), the roof of first bin (272) is passed through to first grinding roller axle (2741), first grinding roller axle (2741) rotates with first bin (272) and is connected, the top of first grinding roller axle (2741) is fixed with first drive wheel (2742), the top of second grinding roller (275) is fixed with second grinding roller axle (2751), the roof of second grinding roller axle (2751) passes through second bin (273), second grinding roller axle (2751) rotates with second bin (2751), a second driving wheel (2752) is fixed at the top end of the second grinding roller shaft (2751), a driving belt (276) is installed between the second driving wheel (2752) and the first driving wheel (2742), a second motor (28) is arranged at the upper end of the second driving wheel (2752), an output shaft of the second motor (28) extends to be fixedly connected with the second driving wheel (2752), and a fixing rod (281) is fixed between the second motor (28) and the partition plate (21).

8. The water-proof art pigment as claimed in claim 5, wherein: the inner parts of the feed opening (211), the discharge opening (24), the first feed opening (31) and the second feed opening (41) are respectively provided with a valve, two ends of the connecting rod (55) are fixedly provided with a connector (551), one connector (551) is rotatably connected with the central end of the U-shaped rod (254), and the other connector (551) is rotatably connected with the central end of the convex shaft (54).

9. A process for producing the art water-proof pigment according to claim 1, which comprises: the method comprises the following specific steps:

step S3: adding the pigment powder, the talcum powder and the kaolin powder obtained in the step S2 into a first feeding bin (3), adding the waterproof latex, the wetting agent, the preservative, the dispersing agent, the thickening agent and the deionized water into a second feeding bin (4), opening valves inside a first feeding port (31) and a second feeding port (41), opening a first motor (25) and a third motor (52), driving a stirring shaft (251) to rotate by the first motor (25), driving stirring blades (252) to be mixed at the rotating speed of 1500-, after the mixing is finished, a valve in a second motor (28) and a valve in a feed opening (211) are opened, the second motor (28) drives a second driving wheel (2752) to rotate, the second driving wheel (2752) drives a second grinding roller shaft (2751) and a first driving wheel (2742) to rotate, the second grinding roller shaft (2751) drives a second grinding roller (275) to rotate, the first driving wheel (2742) drives a first grinding roller shaft (2741) to rotate, the first grinding roller shaft (2741) drives a first grinding roller (274) to rotate, the mixture is ground, the mixture is screened through a screen plate (271), the pigment with the fineness of 500 plus 600 meshes enters a collecting bin (23) and is collected through a discharge opening (24), and the waterproof pigment for art is prepared.