CN117736596A - Fireproof stone-like paint of waste rubber and plastic, and preparation method and coating method thereof - Google Patents

Fireproof stone-like paint of waste rubber and plastic, and preparation method and coating method thereof Download PDF

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Publication number
CN117736596A
CN117736596A CN202311853348.0A CN202311853348A CN117736596A CN 117736596 A CN117736596 A CN 117736596A CN 202311853348 A CN202311853348 A CN 202311853348A CN 117736596 A CN117736596 A CN 117736596A
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China
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parts
stone
paint
scraping
plastic
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Inventor
青林
刘东华
高如玉
何剑南
郅亚楠
吴择炜
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Xiamen First New Material Technology Co ltd
Chengdu First New Material Co ltd
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Xiamen First New Material Technology Co ltd
Chengdu First New Material Co ltd
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Priority to CN202311853348.0A priority Critical patent/CN117736596A/en
Publication of CN117736596A publication Critical patent/CN117736596A/en
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Abstract

The invention relates to the technical field of building materials, and discloses an anti-flaming stone-like coating of waste rubber and plastic, which comprises, by mass, 5-10 parts of plastic particles, 5-10 parts of rubber particles, 40-60 parts of silica sol, 1-3 parts of silane coupling agent, 90-110 parts of water, 2-3 parts of cellulose, 10-20 parts of film-forming auxiliary agent, 60-80 parts of organosilicon emulsion, 80-100 parts of potassium silicate, 2-3 parts of thickener, 500-600 parts of quartz sand, 2-3 parts of bactericide, 2-5 parts of stabilizer, 0.1-1 part of defoamer, 10-20 parts of antifreezing agent and 2-3 parts of pH regulator; the preparation method comprises the following steps of S1, preprocessing rubber particles and plastic particles; s2, preparing a base material; s3, mixing quartz sand, base materials and pretreated rubber particles and plastic particles; coating method, step 1: preprocessing a basal plane; step 2: line snapping and dividing; step 3: rolling decorative primer; step 4: spraying stone-like paint; step 5: scraping texture lines; step 6: and (5) spraying finishing varnish. The technical scheme has the advantages of environmental protection, good fire resistance, high stability and good decorative effect.

Description

Fireproof stone-like paint of waste rubber and plastic, and preparation method and coating method thereof
Technical Field
The invention relates to the technical field of building materials, in particular to a fireproof stone-like coating of waste rubber and plastic, a preparation method and a coating method thereof.
Background
Along with the continuous development of construction industry, more and more new wall surfaces and old wall surfaces of the outer walls of the building engineering are updated and decorated by adopting building paint, and the stone-like paint is more favored by people because the stone-like paint has the decoration effect which is comparable to that of stone and is more suitable for molding various artistic shapes than the stone.
The existing stone-like paint is sprayed on the wall surface by using organic emulsion as a film forming substance through reasonable proportion and color matching of white quartz sand and natural color sand, presents rich stone-like coating, is applied to the decoration of the outer wall of a high-rise building, and can solve the potential safety hazards of high-altitude falling and the like caused by the loss of repair over time. However, the existing stone-like paint has the following defects: 1. as the existing stone-like paint takes organic emulsion as a film forming substance, the combustion performance grade of the existing stone-like paint can only reach B1 grade, and the requirement that the combustion performance grade of the decorative material reaches A grade can not be met in part of application scenes; 2. the natural color sand can cause environmental pollution and resource waste in the process of excavation and exploitation; 3. the natural color sand is large in particles, has good decorative effect, but is large in splashing during spraying construction, so that material waste is caused.
Disclosure of Invention
The invention aims to provide the fireproof stone-like coating of the waste rubber and plastic, which can realize the recycling of the waste rubber and plastic, has the combustion performance grade reaching A level, and has the advantages of environmental protection, good fireproof performance, high stability and good decorative effect.
In order to achieve the above purpose, the invention adopts the following technical scheme: the fireproof stone-like coating for waste rubber and plastic comprises, by mass, 5-10 parts of plastic particles, 5-10 parts of rubber particles, 40-60 parts of silica sol and 1-3 parts of silane coupling agent; 90-110 parts of water, 2-3 parts of cellulose, 10-20 parts of film forming additive, 60-80 parts of organosilicon emulsion, 80-100 parts of potassium silicate, 2-3 parts of thickener, 500-600 parts of quartz sand, 2-3 parts of bactericide, 2-5 parts of stabilizer, 0.1-1 part of defoamer, 10-20 parts of antifreezing agent and 2-3 parts of pH regulator.
The beneficial effect of this scheme is: according to the technical scheme, due to the addition of the silica sol and the silane coupling agent, the plastic particles and the rubber particles can be pretreated, so that the interface combination between the pretreated plastic particles and the interface combination between the rubber particles and the emulsion is firmer, the splashing is small, the material is less, and the material is saved more in the construction and coating process; meanwhile, the stone-like paint can be enabled to have more stereoscopic impression.
According to the technical scheme, the rubber particles and the plastic particles are adopted to replace natural color sand, so that the recycling of wastes can be realized, the treatment pressure of waste rubber and plastic is relieved, the waste of materials is reduced, the environment-friendly value is realized, and the pursuit of the current society on sustainable development and environment protection is met; meanwhile, the specific gravity of the rubber particles and the plastic particles is light, the sedimentation is not easy to occur in the coating, the stability is good, a large amount of auxiliary agents are not needed to be added to improve the stability of the coating, the hygroscopicity and the water absorbability of the rubber particles and the plastic particles are very low, and the water resistance of the coating can be improved.
The organosilicon emulsion has good waterproof performance and weather resistance, so that the service life of the stone-like paint can be prolonged; meanwhile, the organic silicon emulsion has good alkali resistance, so that the organic silicon emulsion can be prevented from being degraded and deteriorated in potassium silicate solution.
According to the technical scheme, as the silica sol and the potassium silicate are compounded, the stone-like coating can meet the requirements of A-level combustion performance grades, and can improve the fire safety grade of a building, which is very important for the requirements of fire safety in the scenes such as building decoration, interior decoration and the like.
Further, the method also comprises 320-400 parts by mass of calcined color sand.
The beneficial effect of this scheme is: according to the technical scheme, due to the addition of the rubber particles and the plastic particles, the consumption of calcined color sand can be obviously reduced, so that the environmental pollution and the resource waste are reduced, and the addition of calcined color sand can provide rich colors and textures for the paint, so that the texture and layering of the wall surface are increased, a decorative effect with a more stereoscopic impression can be created, the wall surface has a more deep sense, and particularly, the effect of light transmission can be possibly presented under the irradiation of sunlight, the simulation degree is enhanced, and the wall surface is more close to the appearance of natural stone.
The invention also provides another technical scheme, a preparation method of the fireproof stone-like coating of waste rubber and plastic, which comprises the following steps:
s1, preprocessing rubber particles and plastic particles, adding 5-10 parts of silica sol and silane coupling agent solution into the rubber particles and the plastic particles, and soaking, wherein the addition amount of the silica sol is 5-10 parts;
s2, preparing a base material, adding water into a stirring kettle, adding cellulose into the stirring kettle, stirring at a rotating speed of 500-1000 r/min for 5-10min, adding a pH regulator into the stirring kettle, stirring for 5-8 min, sequentially adding an antifreezing agent, a film forming auxiliary agent, a bactericide, a stabilizer and a defoaming agent into the stirring kettle, stirring for 6-9 min, adding an organosilicon emulsion, potassium silicate and the rest silica sol, stirring for 10-15 min, and finally adding a thickening agent to regulate the viscosity to 95-100KU;
s3, adding quartz sand, calcined color sand and the rubber particles and plastic particles pretreated in the step S1 into the base material prepared in the step S2 in sequence, stirring at the rotating speed of 700-1000 r/min for 10-15 min, and obtaining the fireproof stone-like coating of waste rubber and plastic, wherein the viscosity of the fireproof stone-like coating is 120-130KU.
The beneficial effect of this scheme is: according to the technical scheme, the rubber particles and the plastic particles are pretreated, so that the binding force between the rubber particles and the plastic particles and the base material can be improved, and the negative influence on the binding strength of the coating caused by directly adding the rubber particles and the plastic particles into the base material is solved.
According to the technical scheme, the rest silica sol is added in the S2, and the silica sol and the potassium silicate are compounded, so that the stone-like paint can meet the requirements of A-level combustion performance level, and the fire safety level of a building can be improved, which is very important for the requirements of fire safety in the scenes such as building decoration, interior decoration and the like.
Further, the soaking time in S1 is 23-30h.
The beneficial effect of this scheme is: if the time for soaking the rubber particles and the plastic particles in the solution of the silica sol and the silane coupling agent is too short, the adhesive force between the rubber particles and the plastic particles and the coating is insufficient, and the rubber particles and the plastic particles are easy to drop in the construction process, so that the coating effect is affected.
The invention also provides another technical scheme, a coating method of the fireproof stone-like coating of waste rubber and plastic, which comprises the following steps:
step 1: preprocessing a basal plane;
step 1.1: cleaning a basal surface;
step 1.2: blade coating putty special for sand wall-shaped paint;
step 2: dividing the elastic thread, drawing the seam and sticking the adhesive tape;
step 3: rolling decorative primer;
step 4: spraying stone-like paint; spraying a first layer of stone-like paint by using a special spray gun for the stone-like paint, and spraying a second layer of stone-like paint after the first layer of stone-like paint is dried;
step 5: when the second layer of stone-like paint is semi-dry, the hand-held scraping and wiping tool slides on the surface of the stone-like paint to form texture lines and tear off the adhesive tape, the scraping and wiping tool comprises a mounting plate, the bottom of the mounting plate is fixedly connected with a handle, the left side and the right side of the top of the mounting plate are respectively provided with a scraping tooth unit and a pressing unit, the scraping tooth unit is used for forming the texture lines on the surface of the stone-like paint, and the pressing unit is used for pressing and flattening the stone-like paint;
step 6: and (5) spraying finishing varnish.
The beneficial effect of this scheme is: according to the technical scheme, the base surface is pretreated, loose, skinned, hollow and pulverized base layers can be removed, pollutants such as floating ash and greasy dirt are removed, and the special putty for sand wall-shaped coating is scraped and coated, so that the base surface can be leveled, the wall surface is smoother, the follow-up construction is convenient, and meanwhile, the overall coating quality and the decoration effect can be improved; the effect of splicing seams is formed on the wall surface by the stone-like coating through the elastic line division, the seam tracing and the adhesive tape pasting, and the stone-like coating has a certain thickness, has stronger stereoscopic impression and has a better stone simulation effect; the rolling coating decorative primer plays a role of sealing the base layer, provides uniform base layer color, reduces construction difficulty of stone-like paint, and can improve interlayer adhesive force; spraying two-layer imitative stone paint for imitative stone paint's colour is more even, imitative stone effect is better, treat that the second floor imitative stone paint is semi-dry, handheld scraping and smearing tool is at imitative stone paint's surface slip, scrape tooth unit and can scrape out texture line on the wall, receive the wall that presses the unit can be timely behind the tooth of scraping and receive and press smoothly, make the wall more level, avoid scraping tooth unit and scrape the remainders at the in-process of scraping texture line and influence the pleasing to the eye of wall, the spraying finishing varnish, can increase decorative effect's glossiness and play wall guard action.
According to the technical scheme, texture lines are scraped on the surface of the stone-like paint by the scraping tool, so that the wall surface is more layered, and the stone-like effect is better.
Further, spraying the stone-like paint by using a special spray gun for the stone-like paint, wherein the caliber of the spray gun is 8-9mm, the pressure of an air compressor is controlled to be 0.8-1.2MPa, the air storage amount is 100-150L, the pipe diameter of an air pipe is 10-15mm, the next spray gun presses on a gun by 1/3 of the amplitude, and the like, and the overlapping width is kept consistent.
The beneficial effect of this scheme is: according to the technical scheme, the stone-like paint is sprayed, so that the material is continuously and stably obtained, and the stone-like paint is sprayed more uniformly and has uniform color distribution.
Further, in step 5, a transmission unit is arranged on the mounting plate between the scraping tooth unit and the compression unit, the compression unit comprises two brackets, the two brackets are detachably connected to the mounting plate, a rotating shaft is rotatably arranged between the two brackets, and a compression roller is fixedly connected to the rotating shaft; the scraping tooth unit comprises a driving pipe, the top of the driving pipe is fixedly connected with a scraping tooth inner disc, an annular scraping tooth disc is rotatably arranged on the outer side of the scraping tooth inner disc, a plurality of scraping teeth are fixedly connected to the scraping tooth inner disc and the annular scraping tooth disc, and a ring gear is fixedly connected to the bottom of the annular scraping tooth disc; the transmission unit comprises a worm, the worm is fixedly connected to a rotating shaft, a first transmission shaft and a second transmission shaft are fixedly connected to the mounting plate, a worm wheel is arranged at the top of the first transmission shaft in a rotating mode, the worm wheel is meshed with the worm, an intermediate gear is arranged at the top of the second transmission shaft in a rotating mode, the intermediate gear can be meshed with the worm wheel, the ring gear is meshed with the intermediate gear, and the ring scraping fluted disc can be driven to rotate by rotation of the compression roller.
The beneficial effect of this scheme is: when the scraping device is used, texture lines are scraped on a wall surface through the scraping teeth, the rolling roller can rotate under the friction force in the moving process, and timely rolling and leveling can be performed after the texture lines are scraped by the scraping teeth, so that the wall surface is leveled, and the influence on the attractiveness of the wall surface caused by the fact that the residual materials are scraped by the scraping teeth in the texture line scraping process is avoided; the annular scraping fluted disc can be driven to rotate through the transmission unit when the collecting compression roller rotates, the processing of texture can be carried out through the setting in the process of collecting compression, a plurality of scraping teeth are arranged on the scraping tooth inner disc and the annular scraping fluted disc, so that diversified texture lines are formed, the wall surface is more rich in layering sense and uniqueness, the annular scraping fluted disc can produce more messy and irregular curve lines in the rotating process, the shape of the lines is more attractive, and the stereoscopic impression of the stone-like coating is stronger.
Further, the scraping teeth on the annular scraping tooth disc comprise a plurality of first scraping teeth and second scraping teeth, the first scraping teeth and the second scraping teeth are arranged in a gap mode, the length of each first scraping tooth is larger than that of each second scraping tooth, and each second scraping tooth is located on the inner side of each first scraping tooth.
The beneficial effect of this scheme is: because the first scraping teeth and the second scraping teeth are arranged between the first scraping teeth and the second scraping teeth, the length of the first scraping teeth is larger than that of the second scraping teeth, and therefore, when texture lines are scraped on the surface of the stone-like paint by using the scraping teeth unit, the scraped texture lines are different in depth, the natural texture distribution of the stone-like paint is more met, the layering sense of the decorative effect is increased, and meanwhile, more random texture lines can be generated, so that the natural texture of the natural stone is simulated, the appearance is promoted, and the wall decoration is more artistic.
Further, scrape and wipe instrument still includes hot-blast delivery unit, and hot-blast delivery unit includes the air heater, and the air heater is installed on the mounting panel, and the air outlet and the transfer line intercommunication of air heater are equipped with a plurality of ventholes, transfer line and venthole intercommunication to scrape the upper side of tooth inner disc.
The beneficial effect of this scheme is: because the hot air conveying unit is arranged, hot air is conveyed to the air outlet through the hot air blower, the floating powder scraped by the scraping teeth can be blown off by the hot air from the air outlet, and meanwhile, the drying process of the stone-like coating surface is accelerated, the construction efficiency is improved, and the rapid drying of the wall after the scraping coating is promoted.
Further, the support includes fixing base and regulating plate, and the pivot rotates and sets up on the regulating plate, and the vertical slip setting of regulating plate is equipped with the bar hole on the regulating plate on the fixing base, can dismantle on the fixing base and be connected with the retaining member, and the retaining member can fix the regulating plate.
The beneficial effect of this scheme is: because the adjusting plate of the technical scheme is vertically arranged on the fixing seat in a sliding manner, the height of the adjusting plate can be adjusted in the vertical direction, so that the distance between the collecting and pressing roller and the mounting plate is adjusted, and finally, the distance between the collecting and pressing roller and the end part of the scraping teeth is adjusted; when the required texture lines are shallower, the adjusting plate can be adjusted, so that the distance between the pinch roller and the end part of the scraping teeth is reduced; therefore, the technical scheme can scrape texture lines with different depths on the stone-like paint, and the wave fluctuation effect is formed on the whole wall surface.
Drawings
FIG. 1 is a three-dimensional view of a wiping tool according to example 1 of the present invention;
fig. 2 is a three-dimensional view of the wiping tool in embodiment 2 of the present invention.
Detailed Description
The following is a further detailed description of the embodiments:
reference numerals in the drawings of the specification include: the device comprises a mounting plate 1, a handle 2, a compression roller 3, a bracket 4, a rotating shaft 5, a transmission pipe 6, a scraping tooth inner disc 7, an annular scraping tooth disc 8, a ring gear 9, a worm 10, a first transmission shaft 11, a worm wheel 12, a second transmission shaft 13, an intermediate gear 14, a first scraping tooth 15, a second scraping tooth 16, an air outlet hole 17, a fixed seat 18, an adjusting plate 19, a strip-shaped hole 20 and a locking piece 21.
Example 1
The fireproof stone-like coating for waste rubber and plastic comprises, by mass, 5-10 parts of plastic particles, 5-10 parts of rubber particles, 40-60 parts of silica sol and 1-3 parts of silane coupling agent; 90-110 parts of water, 2-3 parts of cellulose, 10-20 parts of film forming additive, 60-80 parts of organosilicon emulsion, 80-100 parts of potassium silicate, 2-3 parts of thickener, 500-600 parts of quartz sand, 320-400 parts of calcined color sand, 2-3 parts of bactericide, 2-5 parts of stabilizer, 0.1-1 part of defoamer, 10-20 parts of antifreezing agent and 2-3 parts of pH regulator. In this embodiment, the components are added in parts by mass: 5 parts of plastic particles, 7 parts of rubber particles, 50 parts of silica sol and 2 parts of silane coupling agent; 100 parts of water, 2 parts of cellulose, 12 parts of film forming additive, 65 parts of organosilicon emulsion, 90 parts of potassium silicate, 2 parts of thickener, 500 parts of quartz sand, 330 parts of calcined color sand, 3 parts of bactericide, 4 parts of stabilizer, 0.3 part of defoamer, 12 parts of antifreezing agent and 2 parts of pH regulator.
Wherein,
the cellulose is hydroxyethyl cellulose ether;
the pH regulator is AMP-95 of angust;
the antifreezing agent is propylene glycol;
the film forming auxiliary agent is Texanol of Izeman;
the organosilicon emulsion is selected from ROSF5588 of Luo Sifu;
the potassium silicate is K100 of Australian wetting industry, and the pH value is 11.6;
s309 of Australian wetting industry is selected as the silica sol, the particle size of the modified nano silica sol is 10nm, the solid content is 32+/-2, and the pH value is 9-11;
the bactericide is BIT bactericide;
the thickener is associated alkali-soluble thickening agent of the Dow DR-72;
selecting 30-180 mesh grading combination for quartz sand;
the calcined color sand is selected from mesh grading combinations with mesh numbers of 30-180, and the color is modulated according to actual requirements;
the plastic particles are selected from polypropylene waste plastics or polystyrene waste plastics, and the flaky plastics are crushed into slices with the thickness of between 0.1 and 1mm; some fluorescent sheets are additionally added, so that the decorative effect is improved;
the rubber particles are waste automobile tires, and the rubber is crushed into particles with the size of 0.1-1mm;
the stabilizer is CS1 of Australian wetting industry;
the defoaming agent is an organosilicon defoaming agent.
The preparation method of the fireproof stone-like paint of the waste rubber and plastic comprises the following steps:
s1, preprocessing rubber particles and plastic particles, adding part of silica sol and silane coupling agent solution into the rubber particles and the plastic particles, and soaking for 23-30h, wherein the soaking time is 24h in the embodiment, and the adding amount of the silica sol is 10 parts;
s2, preparing a base material, adding water into a stirring kettle, adding cellulose into the stirring kettle, stirring at a rotating speed of 500-1000 r/min for 5-10min, adding a pH regulator into the stirring kettle, stirring for 5-8 min, sequentially adding an antifreezing agent, a film forming auxiliary agent, a bactericide, a stabilizer and a defoaming agent into the stirring kettle, stirring for 6-9 min, adding an organosilicon emulsion, potassium silicate and the rest silica sol, stirring for 10-15 min, and finally adding a thickening agent to regulate the viscosity to 95-100KU; in the embodiment, the rotation speed of the stirring kettle is 800r/min, the stirring time after adding cellulose is 6min, the stirring time after adding the pH regulator is 5min, the stirring time after adding the antifreezing agent, the film forming auxiliary agent, the bactericide, the stabilizer and the defoamer is 8min, the stirring time after adding the organosilicon emulsion and the potassium silicate is 10min, the viscosity is 98KU, and the viscosity is measured by adopting a stormer viscometer;
s3, adding quartz sand, calcined color sand and the rubber particles and plastic particles pretreated in the step S1 into the base material prepared in the step S2 in sequence, stirring at the rotating speed of 700-1000 r/min for 10-15 min, and obtaining the fireproof stone-like coating of waste rubber and plastic, wherein the viscosity of the fireproof stone-like coating is 120-130KU. In this example, the rotational speed of the stirred tank was 900r/min, the stirring time was 12min, and the viscosity of the fire-retardant stone-like coating was 125KU.
The coating method of the fireproof stone-like paint of the waste rubber and plastic comprises the following steps:
step 1: preprocessing a basal plane;
step 1.1: cleaning a basal surface; thoroughly removing loose, skinning, hollowing and chalking base layers, and removing pollutants such as floating ash, greasy dirt and the like;
step 1.2: blade coating putty special for sand wall-shaped paint; specifically, the special putty for the sand wall-shaped coating is constructed in two ways, namely, the first way, the local leveling and trimming of door and window openings and yin and yang angles; and secondly, the whole wall surface is fully coated with special putty for the sand wall coating, the thickness of each scraping coating is not more than 1.0mm, the construction time interval of each scraping coating is not less than 5 hours at 25 ℃, after each scraping coating of the putty, the part is properly polished and trimmed, floating ash is removed after polishing is finished, and after the special putty for the sand wall coating is fully dried and solidified, the construction of the next working procedure can be carried out.
Step 2: dividing the elastic thread, drawing the seam and sticking the adhesive tape; according to the design requirement, the elastic lines are required to be horizontal and vertical, the elastic lines are clear, the size of the division meets the design requirement, then the parting joint paint is painted, and after the parting joint paint is dried, the adhesive tape is adhered.
Step 3: rolling decorative primer; after the adhesive tape is well adhered, rolling and coating the decorative primer, rolling and coating the environment-friendly decorative primer for two times, and rolling and coating the environment-friendly decorative primer for the second time after the environment-friendly decorative primer for the first time is dried thoroughly;
step 4: spraying stone-like paint; specifically, spraying the stone-like paint by using a special spray gun for the stone-like paint, wherein the caliber of the spray gun is 8-9mm, the pressure of an air compressor is controlled to be 0.8-1.2MPa, the air storage capacity is 100-150L, the pipe diameter of an air pipe is 10-15mm, the next spray gun presses one gun for 1/3 of the amplitude during spraying, and so on, the overlapping width is kept consistent, the pattern distribution is uniform, a first layer of stone-like paint is sprayed firstly, and a second layer of stone-like paint is sprayed after the first layer of stone-like paint is dried; in the embodiment, the caliber of the spray gun is 8mm, the pressure of the air compressor is controlled to be 1.2MPa, the air storage capacity is 100L, and the pipe diameter of the air pipe is 10mm;
step 5: when the second layer of stone-like paint is semi-dry, the hand-held scraping tool slides on the surface of the stone-like paint to form texture lines, and the adhesive tape is torn off;
specifically, as shown in fig. 1, the scraping tool comprises a mounting plate 1, a handle 2 is welded at the bottom of the mounting plate 1, scraping tooth units and a rolling unit are respectively arranged at the left side and the right side of the top of the mounting plate 1, the scraping tooth units are used for forming texture lines on the surface of the stone-like paint, the rolling unit is used for rolling and flattening the stone-like paint, a transmission unit is arranged on the mounting plate between the scraping tooth units and the rolling unit, the rolling unit comprises a rolling roller 3 and two brackets 4, the two brackets 4 are respectively arranged at the front side and the rear side of the mounting plate 1 through bolts, a rotating shaft 5 is rotatably arranged between the two brackets 4, and the rolling roller 3 is sleeved on the rotating shaft 5 and is fixed with the rotating shaft 5; the scraping unit comprises a driving pipe 6, a scraping inner disc 7 is welded at the top of the driving pipe 6, an annular scraping fluted disc 8 is rotatably arranged at the outer side of the scraping inner disc 7, a ring gear 9 is welded at the bottom of the annular scraping fluted disc 8, and a plurality of scraping teeth are welded on the scraping inner disc 7 and the annular scraping fluted disc 8; the transmission unit comprises a worm 10, specifically, the worm 10 is sleeved on a rotating shaft 5 at the rear side of the pinch roller 3 and is fixed with the rotating shaft 5, a first transmission shaft 11 is welded on a mounting plate at the right side of the bracket 4, a worm wheel 12 is rotatably arranged at the top of the first transmission shaft 11 and is meshed with the worm 10, a second transmission shaft 13 is welded on a mounting plate at the right side of the first transmission shaft 11, an intermediate gear 14 is rotatably arranged at the top of the second transmission shaft 13, the intermediate gear 14 is positioned between the worm wheel 12 and the ring gear 9, and the intermediate gear 14 is respectively meshed with the worm wheel 12 and the ring gear 9. When the novel wall surface texture scraping machine is used, texture lines are scraped on the wall surface through the scraping teeth, the rolling roller 3 can rotate under the friction force in the moving process, and timely rolling and leveling can be carried out after the texture lines are scraped by the scraping teeth, so that the wall surface is leveled, and the influence on the attractiveness of the wall surface caused by the fact that residual materials are scraped by the scraping teeth in the texture line scraping process is avoided; the annular scraping fluted disc 8 can be driven to rotate through the transmission unit when the pressing roller 3 rotates, the processing of texture can be carried out in the process of pressing, a plurality of scraping teeth are arranged on the scraping tooth inner disc 7 and the annular scraping fluted disc 8, so that diversified texture lines are formed, the wall surface is more rich in layering sense and uniqueness, the annular scraping fluted disc 8 can produce more messy and irregular curve lines in the rotating process, and the shape of the lines is more attractive.
The scraping teeth on the annular scraping tooth disc 8 comprise a plurality of first scraping teeth 15 and second scraping teeth 16, the first scraping teeth 15 and the second scraping teeth 16 are arranged at intervals, the length of each first scraping tooth 15 is larger than that of each second scraping tooth 16, and each second scraping tooth 16 is located on the inner side of each first scraping tooth 15. Because the first tooth 15 of scraping and the tooth 16 interval setting of scraping of second, and the length that the tooth 15 was scraped to the first tooth 16 of scraping is greater than the second and scrape, consequently, when scraping the texture line at imitative stone paint's surface at the use and scrape the tooth unit, the texture line depth that scrapes is different, this more accords with imitative stone paint's natural texture distribution, the layering of decorative effect has been increased, simultaneously, can produce more random texture line, this helps simulating natural stone's natural texture, promote the impression, make wall decoration richer in artistic sense.
The scraping tool further comprises a hot air conveying unit, the hot air conveying unit comprises a hot air blower, the hot air blower is arranged on the mounting plate, an air outlet of the hot air blower is communicated with the transmission pipe 6, a plurality of air outlet holes 17 are formed in the upper side face of the scraping tooth inner disc 7, and the transmission pipe 6 is communicated with the air outlet holes 17. Because the hot air conveying unit is arranged, hot air is conveyed to the air outlet hole 17 through the hot air blower, the floating powder scraped by the scraping teeth can be blown off by the hot air from the air outlet hole 17, the drying process of the stone-like paint surface can be accelerated, the construction efficiency is improved, and the rapid drying of the wall surface after the scraping coating is promoted.
Step 6: and (5) spraying finishing varnish.
Example 2
Unlike embodiment 1, as shown in fig. 2, the bracket 4 includes a fixing base 18 and an adjusting plate 19, the fixing base 18 is mounted on the mounting plate 1 by a bolt, the rotating shaft 5 is rotatably disposed on the adjusting plate 19, the adjusting plate 19 is vertically slidably disposed on the fixing base 18, a bar-shaped hole 20 is formed in the adjusting plate 19, a locking member 21 is screwed on the fixing base 18, the locking member 21 can fix the adjusting plate 19, and in this embodiment, the locking member 21 is a locking bolt. Because the adjusting plate 19 of the technical scheme is vertically arranged on the fixed seat 18 in a sliding manner, the height of the adjusting plate 19 can be adjusted in the vertical direction, so that the distance between the collecting and pressing roller 3 and the mounting plate is adjusted, and finally, the distance between the collecting and pressing roller 3 and the end part of the scraping teeth is adjusted, when texture lines are scraped on the stone-like paint, the adjusting plate 19 can be adjusted according to actual needs when the needed texture lines are deeper, and the distance between the collecting and pressing roller 3 and the end part of the scraping teeth is increased; when the required texture lines are shallower, the adjusting plate 19 can be adjusted, so that the distance between the pinch roller 3 and the end part of the scraping teeth is reduced; therefore, the texture lines with different depths can be scraped on the stone-like coating, and the undulating effect is formed on the whole wall surface.
Comparative example 1
Unlike example 1, in the components of the waste rubber and plastic fireproof stone-like paint, the silane coupling agent was not contained, the silica sol was 40 parts, in the preparation method of the waste rubber and plastic fireproof stone-like paint, S1 was not contained, the rubber particles and plastic particles were not pretreated, and in S3, the rubber particles and plastic particles were directly added to the base material prepared in S2.
Comparative example 2
Unlike example 1, in the components of the waste rubber and plastic fireproof stone-like paint, the silicone emulsion was used instead of potassium silicate, namely 155 parts by mass of the silicone emulsion, and in the preparation method of the waste rubber and plastic fireproof stone-like paint, in S2, no potassium silicate was added, and 155 parts by mass of the silicone emulsion was added.
The performance test was performed on the waste rubber and plastic fireproof stone-like paint prepared in example 1 and comparative examples 1-2, as shown in table 1.
TABLE 1
Inspection item Standard requirements Example 1 Comparative example 1 Comparative example 2
Status in a container No caking after stirring, uniform shape State of No caking after stirring, uniform shape State of No caking after stirring, in a uniform state No caking after stirring, uniform shape State of
Workability of construction Spray coating is free of obstacle Spray coating is free of obstacle Spray coating is free of obstacle Spray coating is free of obstacle
Storage stability at low temperatures Sex characteristics 3 cycles without deterioration 3 cycles without deterioration 3 cycles without deterioration 3 cycles without deterioration
Thermal storage stability Does not deteriorate in 15 days Does not deteriorate in 15 days Does not deteriorate in 15 days Does not deteriorate in 15 days
Water resistance 96h without abnormality 96h without abnormality 96h without abnormality 96h without abnormality
Alkali resistance 96h without abnormality 96h without abnormality 96h without abnormality 96h without abnormality
Bond strength (Standard) In the state of ≥0.6MPa 0.8 0.75 0.78
Resistant to artificial weather Chemical nature 600 hours of coating without cracking, swelling, No flaking, 0 level pulverization, and no more than 1 color change 600 hours of coating without cracking, swelling, No flaking, 0 level pulverization, and no more than 1 color change 600h coating does not crack, bulge, peel and powder 1 Grade (rubber and plastic particles drop obviously), and the color change is less than or equal to 1 600 hours of coating without cracking, swelling, No flaking, 0 level pulverization, and no more than 1 color change
Splash resistance (rubber) Granules and plastic sheets Excellent (excellent) Excellent (excellent) Difference of difference Excellent (excellent)
Combustion performance grade - A2 A2 B1
From table 1, it can be seen that the combustion performance grade of both example 1 and comparative example 1 can reach A2 grade, and the combustion performance grade of comparative example 2 is B1, so that it is seen that the use amount of the organosilicon emulsion is increased by replacing potassium silicate with equal amount, and the combustion performance grade of the prepared stone-like coating cannot reach A2 grade, and the requirement that the combustion performance grade of the decorative material needed in part of application scenes is A grade cannot be met; if only the organic silicon emulsion and the silica sol are used, the content of the silica sol is increased to be more than 15 percent, the content of the organic silicon emulsion is reduced to be less than 8 percent, and the combustion performance grade of the prepared stone-like coating can reach A2 grade, but other performances of the stone-like coating can be reduced, so that potassium silicate is only required to be introduced.
As can be seen from table 1, by comparing example 1 and comparative example 1, the stone-like paint prepared in comparative example 1 has poor anti-splash properties and has a bonding strength smaller than that of the stone-like paint prepared in example 1, and thus it can be seen that the binding force between the rubber particles and the plastic particles and the binder and the anti-splash properties can be improved by pretreating the rubber particles and the plastic particles with the silica sol and the silane coupling agent.
The foregoing is merely exemplary of the present invention, and specific technical solutions and/or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present invention, and these should also be regarded as the protection scope of the present invention, which does not affect the effect of the implementation of the present invention and the practical applicability of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims (10)

1. The fireproof stone-like paint of waste rubber and plastic is characterized in that: comprises the following components in parts by mass, 5-10 parts of plastic particles, 5-10 parts of rubber particles, 40-60 parts of silica sol and 1-3 parts of silane coupling agent; 90-110 parts of water, 2-3 parts of cellulose, 10-20 parts of film forming additive, 60-80 parts of organosilicon emulsion, 80-100 parts of potassium silicate, 2-3 parts of thickener, 500-600 parts of quartz sand, 2-3 parts of bactericide, 2-5 parts of stabilizer, 0.1-1 part of defoamer, 10-20 parts of antifreezing agent and 2-3 parts of pH regulator.
2. The waste rubber and plastic fire-retardant stone-like coating according to claim 1, wherein: the color sand is characterized by further comprising 320-400 parts by mass of calcined color sand.
3. The method for preparing the waste rubber and plastic fireproof stone-like paint according to claim 2, which is characterized in that: the method comprises the following steps:
s1, preprocessing rubber particles and plastic particles, adding part of silica sol and silane coupling agent solution into the rubber particles and the plastic particles, and soaking, wherein the addition amount of the silica sol is 5-10 parts;
s2, preparing a base material, adding water into a stirring kettle, adding cellulose into the stirring kettle, stirring at a rotating speed of 500-1000 r/min for 5-10min, adding a pH regulator into the stirring kettle, stirring for 5-8 min, sequentially adding an antifreezing agent, a film forming auxiliary agent, a bactericide, a stabilizer and a defoaming agent into the stirring kettle, stirring for 6-9 min, adding an organosilicon emulsion, potassium silicate and the rest silica sol, stirring for 10-15 min, and finally adding a thickening agent to regulate the viscosity to 95-100KU;
s3, adding quartz sand, calcined color sand and the rubber particles and plastic particles pretreated in the step S1 into the base material prepared in the step S2 in sequence, stirring at the rotating speed of 700-1000 r/min for 10-15 min, and obtaining the fireproof stone-like coating of waste rubber and plastic, wherein the viscosity of the fireproof stone-like coating is 120-130KU.
4. The method for preparing the waste rubber and plastic fireproof stone-like paint according to claim 3, which is characterized in that: the soaking time in S1 is 23-30h.
5. The method for coating the waste rubber and plastic fireproof stone-like paint according to claim 2, which is characterized in that: the method comprises the following steps:
step 1: preprocessing a basal plane;
step 1.1: cleaning a basal surface;
step 1.2: blade coating putty special for sand wall-shaped paint;
step 2: dividing the elastic thread, drawing the seam and sticking the adhesive tape;
step 3: rolling decorative primer;
step 4: spraying stone-like paint; spraying a first layer of stone-like paint by using a special spray gun for the stone-like paint, and spraying a second layer of stone-like paint after the first layer of stone-like paint is dried;
step 5: when the second layer of stone-like paint is semi-dry, the hand-held scraping and wiping tool slides on the surface of the stone-like paint to form texture lines and tear off the adhesive tape, the scraping and wiping tool comprises a mounting plate, the bottom of the mounting plate is fixedly connected with a handle, the left side and the right side of the top of the mounting plate are respectively provided with a scraping tooth unit and a pressing unit, the scraping tooth unit is used for forming the texture lines on the surface of the stone-like paint, and the pressing unit is used for pressing and flattening the stone-like paint;
step 6: and (5) spraying finishing varnish.
6. The method for coating the waste rubber and plastic fireproof stone-like paint according to claim 5, which is characterized in that: in the step 4, the stone-like paint is sprayed by adopting a special spray gun for the stone-like paint, the caliber of the spray gun is 8-9mm, the pressure of an air compressor is controlled to be 0.8-1.2MPa, the air storage capacity is 100-150L, the pipe diameter of an air pipe is 10-15mm, the next spray gun presses on the next spray gun by 1/3 of the amplitude, and the like, and the overlapping widths are consistent.
7. The method for coating the waste rubber and plastic fireproof stone-like paint according to claim 6, wherein the method comprises the following steps: in the step 5, a transmission unit is arranged on the mounting plate between the scraping tooth unit and the compression unit, the compression unit comprises two brackets, the two brackets are detachably connected to the mounting plate, a rotating shaft is rotatably arranged between the two brackets, and a compression roller is fixedly connected to the rotating shaft; the scraping tooth unit comprises a driving pipe, the top of the driving pipe is fixedly connected with a scraping tooth inner disc, an annular scraping tooth disc is rotatably arranged on the outer side of the scraping tooth inner disc, a plurality of scraping teeth are fixedly connected to the scraping tooth inner disc and the annular scraping tooth disc, and a ring gear is fixedly connected to the bottom of the annular scraping tooth disc; the transmission unit comprises a worm, the worm is fixedly connected to a rotating shaft, a first transmission shaft and a second transmission shaft are fixedly connected to the mounting plate, a worm wheel is arranged at the top of the first transmission shaft in a rotating mode, the worm wheel is meshed with the worm, an intermediate gear is arranged at the top of the second transmission shaft in a rotating mode, the intermediate gear can be meshed with the worm wheel, the ring gear is meshed with the intermediate gear, and the ring scraping fluted disc can be driven to rotate by rotation of the compression roller.
8. The method for coating the waste rubber and plastic fireproof stone-like paint according to claim 7, wherein the method comprises the following steps: the scraping teeth on the annular scraping tooth disc comprise a plurality of first scraping teeth and second scraping teeth, the first scraping teeth and the second scraping teeth are arranged at intervals, the length of each first scraping tooth is larger than that of each second scraping tooth, and each second scraping tooth is located at the inner side of each first scraping tooth.
9. The method for coating the waste rubber and plastic fireproof stone-like paint according to claim 8, which is characterized in that: the scraping tool further comprises a hot air conveying unit, the hot air conveying unit comprises a hot air blower, the hot air blower is arranged on the mounting plate, an air outlet of the hot air blower is communicated with the transmission pipe, a plurality of air outlet holes are formed in the upper side face of the scraping tooth inner disc, and the transmission pipe is communicated with the air outlet holes.
10. The method for coating the waste rubber and plastic fireproof stone-like paint according to claim 9, wherein the method comprises the following steps: the support includes fixing base and regulating plate, and the pivot rotates the setting on the regulating plate, and the vertical slip setting of regulating plate is equipped with the bar hole on the regulating plate on the fixing base, can dismantle on the fixing base and be connected with the retaining member, and the retaining member can fix the regulating plate.
CN202311853348.0A 2023-12-29 2023-12-29 Fireproof stone-like paint of waste rubber and plastic, and preparation method and coating method thereof Pending CN117736596A (en)

Priority Applications (1)

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CN202311853348.0A CN117736596A (en) 2023-12-29 2023-12-29 Fireproof stone-like paint of waste rubber and plastic, and preparation method and coating method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311853348.0A CN117736596A (en) 2023-12-29 2023-12-29 Fireproof stone-like paint of waste rubber and plastic, and preparation method and coating method thereof

Publications (1)

Publication Number Publication Date
CN117736596A true CN117736596A (en) 2024-03-22

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Country Link
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