CN111892352A - Multicolor series inorganic artificial stone and preparation method thereof - Google Patents
Multicolor series inorganic artificial stone and preparation method thereof Download PDFInfo
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- CN111892352A CN111892352A CN202010701975.2A CN202010701975A CN111892352A CN 111892352 A CN111892352 A CN 111892352A CN 202010701975 A CN202010701975 A CN 202010701975A CN 111892352 A CN111892352 A CN 111892352A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/006—Pressing by atmospheric pressure, as a result of vacuum generation or by gas or liquid pressure acting directly upon the material, e.g. jets of compressed air
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/003—Methods for mixing
- B28C5/006—Methods for mixing involving mechanical aspects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/80—Optical properties, e.g. transparency or reflexibility
- C04B2111/82—Coloured materials
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Engineering & Computer Science (AREA)
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- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a multicolor series inorganic artificial stone and a preparation method thereof, belonging to the technical field of building materials. The inorganic artificial stone comprises the following raw materials: 60-70% of filler A, 1.0-5.0% of filler B, 25-30% of adhesive, 0.1-0.5% of water reducing agent, 0.01-0.5% of thickening agent, 0-2.0% of pigment and 1.0-5.0% of polymer emulsion. The invention can prepare multicolor inorganic artificial stone, and has the characteristics of high compressive strength, high breaking strength and high water absorption.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to a multicolor series inorganic artificial stone and a preparation method thereof.
Background
Cement, etc. as adhesive, and calcium carbonate crushed material, powder, etc. are added into the mixture, and the mixture is produced into stone product through certain technological process, including stirring, forming, maintaining, cutting and polishing. Most of the inorganic artificial stones in the market belong to single-color inorganic artificial stones, and the multicolor series inorganic artificial stones refer to inorganic artificial stones with at least two different color grains on one stone plate.
At present, inorganic type rostone mainly uses the monochromatic as the owner, and the inorganic type rostone to the polychrome line of market demand still is in the blank, mainly because polychrome series's inorganic type rostone still has the problem in preparation technology, and the adhesive of inorganic type rostone is cement-based material, and its material state is loose, when falling into the shaping in the mould, can not show the line because of the loose formation that causes of material.
The above background disclosure is only for the purpose of assisting understanding of the inventive concept and technical solutions of the present invention, and does not necessarily belong to the prior art of the present patent application, and should not be used for evaluating the novelty and inventive step of the present application in the case that there is no clear evidence that the above content is disclosed at the filing date of the present patent application.
Disclosure of Invention
The invention aims to provide a multicolor series inorganic artificial stone and a preparation method thereof, and aims to solve the technical problems that in the prior art, because the adhesive of the inorganic artificial stone is a cement-based material, the inorganic artificial stone is loose in material state, and cannot present grains and cannot present the multicolor inorganic artificial stone due to loose materials when the inorganic artificial stone falls into a mould for forming. The invention overcomes the problems, and the prepared multicolor inorganic artificial stone has the characteristics of high compressive strength, high breaking strength and high water absorption.
Therefore, the invention provides a multicolor series inorganic artificial stone which comprises the following raw materials: 60-70% of filler A, 1.0-5.0% of filler B, 25-30% of adhesive, 0.1-0.5% of water reducing agent, 0.01-0.5% of thickening agent, 0-2.0% of pigment and 1.0-5.0% of polymer emulsion.
Preferably, the filler A is one or two of quartz sand of calcium carbonate sand with the diameter of 0.106mm to 0.18mm, and the filler B is one or more of calcium carbonate powder with the diameter of 1000 meshes to 2000 meshes, quartz powder and fly ash.
Preferably, the adhesive material is one of 42.5 or 52.5 portland cement, and the water reducing agent is one of polycarboxylic acid water reducing agents or naphthalene water reducing agents.
Preferably, the polycarboxylic acid water reducing agent is polyether which takes acrylic acid or methacrylic acid as a main chain and polyethylene glycol grafted with different side chain lengths.
Preferably, the thickening agent is one of deacetylated chitin with molecular weight of 8000-15000 ten thousand or non-ionic polyacrylamide with molecular weight of 800-1200 ten thousand.
Preferably, the pigment is composed of an iron-based pigment, carbon black and rutile titanium dioxide, and the polymer emulsion is one of styrene-acrylic emulsion or styrene-butadiene emulsion.
Further, the invention also provides a preparation method of the multicolor series inorganic artificial stone, which is characterized by comprising the following steps:
s1, adopting a main stirring and auxiliary stirring machine, firstly weighing the filler and the adhesive according to the weight percentage, adding the filler and the adhesive into the main stirring machine for high-speed stirring, then weighing the water, the water reducing agent, the thickening agent and the polymer emulsion according to the weight percentage, sequentially adding the weighed materials into a high-speed dispersion barrel with the capacity of 1 ton of water, stirring the materials uniformly, transferring the materials into the main stirring machine for low-speed stirring at the speed of 5r/min, adding the materials of the auxiliary stirring machine for 2-6 times in the process of conveying the materials into the main stirring machine, namely turning over the main stirring machine once every half circle, and finally stirring the materials at the low speed of 5-10HZ for 20-30S, stopping stirring for 40-60S, stirring for 10-20S and stopping for 30-50S to form patterns which do not pass through grains;
s2, adding the prepared powder or slurry with different colors into the extension to be stirred and mixed, stirring all the materials in the step S1 until the viscosity is 300CPS and 600CPS, and scattering or spraying the auxiliary materials of the extension into the materials of the main stirrer to be stirred;
and S3, vacuumizing, starting a vacuumizing device after a top door of the main stirrer is closed, enabling the vacuum degree of the vacuum chamber to reach-0.1 MPa to-0.09 MPa, uniformly dispersing all materials in a grinding tool, and pressing and forming under vacuum, wherein the pressure is 1000KM to 3000KM, and the pressing time is 5min to 12 min.
Preferably, the powder spreading process in the step S2 includes powder preparation and powder spreading process control, the powder preparation includes 10% -15% of a cementing material, 0-50% of a pigment, and 50% -80% of 100-200 mesh calcium carbonate powder, the process parameters include low-speed stirring for 4-6 circles, turning to 5-7 r/min, equally dividing the scattered powder into 2-4 parts, stopping the main stirrer every 1/4 circles of stirring, uniformly scattering the powder in the material in the main stirrer, and finally stirring for 2-4 circles.
Preferably, the guniting process in the step S2 includes 5% to 10% of a cementing material, 0% to 20% of a pigment, 20% to 30% of 2000-3000 mesh calcium carbonate powder, 40% to 50% of water, and a proper amount of a thickening agent, wherein the viscosity is 100mpa.s to 1000mpas, and the process parameters are as follows: stirring at low speed for 4-6 circles, rotating for 5-7 r/min, equally dividing the sprayed slurry into 2-4 parts, stopping the main stirrer every time 1/4 circles are stirred, uniformly scattering powder into the materials in the main stirrer, and finally stirring for 2-4 circles.
Preferably, the gelling material is one or both of 52.5 and 42.5 white cement.
Compared with the prior art, the invention has the advantages that:
according to the invention, through the control of the formula design and the production process, the produced multicolor series inorganic artificial stone product has the breaking strength of 14.9MPa and the compressive strength of 92MPa, and completely reaches the standard of inorganic stone.
The invention mainly adopts a main stirrer and an auxiliary stirrer to realize the production of multicolor series inorganic artificial stones, namely, materials with more colors are stirred by the main stirrer, the capacity of the artificial stones is large, 13 tons of materials can be stirred at most, materials with less colors are stirred by the auxiliary stirrer, 10 tons of materials can be stirred at most, finally the materials of the auxiliary stirrer are conveyed into the main stirrer to be stirred according to process parameters to form patterns with different lines, and meanwhile, the production of multicolor series inorganic artificial stones can be carried out by combining the processes of 'dusting' and 'slurry spraying', namely, after the materials in the auxiliary stirrer are conveyed into the main stirrer, prepared powder or slurry with different colors are scattered or sprayed in the materials of the main stirrer according to the processes to form the multicolor inorganic artificial stones.
The invention adopts low-speed stirring in the preparation process, and the stirring is carried out intermittently at the frequency of 5HZ, so that the stirring of the materials can be brought and then stopped, and the materials with different colors can automatically flow to present patterns with different lines.
Drawings
FIG. 1 is a schematic view showing partial texture of an inorganic type artificial stone according to embodiment 1 of the present invention;
FIG. 2 is a schematic view showing the surface texture of an inorganic type artificial stone according to embodiment 1 of the present invention;
FIG. 3 is a schematic view showing partial texture of an inorganic type artificial stone according to embodiment 2 of the present invention;
fig. 4 is a schematic view showing partial texture of an inorganic type artificial stone according to embodiment 3 of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. It should be emphasized that the following description is merely exemplary in nature and is not intended to limit the scope of the invention or its application.
The foregoing has outlined rather broadly the features and technical advantages of the present invention in order that the detailed description of the invention that follows may be better understood. Other features and advantages of the present invention will be described below. It should be appreciated by those skilled in the art that the conception and specific embodiment disclosed may be readily utilized as a basis for modifying or designing other structures for carrying out the same purposes of the present invention. It should also be realized by those skilled in the art that such equivalent constructions do not depart from the spirit and scope of the invention. The novel features which are believed to be characteristic of the invention, both as to its organization and method of operation, together with further objects and advantages will be better understood from the following description when considered in connection with the accompanying figures. It is to be expressly understood, however, that each of the figures is provided for the purpose of illustration and description only and is not intended as a definition of the limits of the present invention.
In the embodiment, the multicolor series inorganic artificial stone comprises the following raw materials in percentage by mass: the invention provides a multicolor series inorganic artificial stone, which comprises the following raw materials: 60-70% of filler A, 1.0-5.0% of filler B, 25-30% of adhesive, 0.1-0.5% of water reducing agent, 0.01-0.5% of thickening agent, 0-2.0% of pigment and 1.0-5.0% of polymer emulsion.
The filler A is one or two of quartz sand of calcium carbonate sand with the thickness of 0.106mm to 0.18mm, and the filler B is one or more of calcium carbonate powder with the size of 1000 meshes to 2000 meshes, quartz powder and fly ash.
The adhesive material is one of 42.5 or 52.5 Portland cement, and the water reducing agent is one of polycarboxylic acid water reducing agents or naphthalene water reducing agents.
The polycarboxylic acid water reducing agent is polyether which takes acrylic acid or methacrylic acid as a main chain and is grafted with polyethylene glycol to different side chain lengths.
The thickening agent is deacetylated chitin with molecular weight of 8000-15000 ten thousand or non-ionic polyacrylamide with molecular weight of 800-1200 ten thousand.
The pigment is composed of iron-based pigment, carbon black and rutile titanium dioxide, and the polymer emulsion is styrene-acrylic emulsion or styrene-butadiene emulsion.
The following is a more specific example.
Example 1
A multicolor series inorganic artificial stone comprises the following raw materials: 60% of calcium carbonate sand, 5.0% of calcium carbonate powder, 25% of portland cement, 0.1% of polycarboxylic acid water reducing agent, 0.01% of deacetylated chitin, 1.0% of pigment and 5.0% of styrene-acrylic emulsion;
the particle size of the calcium carbonate sand is 0.106 mm;
the particle size of the calcium carbonate powder is 0.17 mm;
the strength of the portland cement is 52.5;
the molecular weight of the deacetylated chitin is 8000 ten thousand;
the preparation method of the multicolor series inorganic artificial stone comprises the following steps:
s1, adopting a main stirring and auxiliary stirring machine, firstly weighing the filler and the adhesive according to the weight percentage, adding the filler and the adhesive into the main stirring machine for high-speed stirring, then weighing the water, the water reducing agent, the thickening agent and the polymer emulsion according to the weight percentage, sequentially adding the weighed materials into a high-speed dispersion barrel with the capacity of 1 ton of water, stirring uniformly, transferring the materials into the main stirring machine for low-speed stirring at 5r/min, adding the materials of the auxiliary stirring machine 4 times in the process of conveying the materials into the main stirring machine, namely turning over the main stirring machine once every half circle, finally stirring at a low speed of 5HZ for 20S, stopping 60S and 20S, stopping 30S to form patterns which do not pass through grains;
s2, adding the prepared powder or slurry with different colors into an extension machine for stirring and mixing, stirring all the materials in the step S1 until the viscosity is 300CPS, and scattering the auxiliary materials of the extension machine into the materials of the main stirrer for stirring;
s3, vacuumizing, closing a top door of the main stirrer, starting a vacuumizing device to enable the vacuum degree of a vacuum chamber to reach-0.1 MPa, uniformly dispersing all materials in a grinding tool, and pressing and molding under vacuum at the pressure of 000KM for 5 min;
the powder scattering process in the step S2 comprises the steps of preparing powder and controlling the powder scattering process, wherein the powder is prepared from 15% of a cementing material, 50% of a pigment and 80% of 100-mesh calcium carbonate powder, the process parameters comprise that the powder is stirred at a low speed for 4 circles, the rotation speed is 5r/min, the scattered powder is equally divided into 4 parts, the main stirrer is stopped when stirring for 1/4 circles, the powder is uniformly scattered in the material in the main stirrer, and finally the powder is stirred for 4 circles;
the cementitious material was 52.5 white cement.
Example 2
A multicolor series inorganic artificial stone comprises the following raw materials: 70% of quartz sand, 3.0% of calcium carbonate powder, 1% of fly ash, 23% of portland cement, 0.5% of naphthalene water reducing agent, 0.5% of nonionic polyacrylamide, 2.0% of pigment and 1.0% of styrene-acrylic emulsion;
the particle size of the quartz sand is 0.150 mm;
the particle size of the calcium carbonate powder is 0.120 mm;
the strength of the portland cement is 42.5;
the molecular weight of the nonionic polyacrylamide is 8000 ten thousand;
the preparation method of the multicolor series inorganic artificial stone comprises the following steps:
s1, adopting a main stirring and auxiliary stirring machine, firstly weighing the filler and the adhesive according to the weight percentage, adding the filler and the adhesive into the main stirring machine for high-speed stirring, then weighing the water, the water reducing agent, the thickening agent and the polymer emulsion according to the weight percentage, sequentially adding the weighed materials into a high-speed dispersion barrel with the capacity of 1 ton of water, stirring uniformly, transferring the materials into the main stirring machine for low-speed stirring at 5r/min, adding the materials of the auxiliary stirring machine for 2 times in the process of conveying the materials into the main stirring machine, namely turning over the main stirring machine once every half circle, finally stirring at the low speed of 10HZ, stirring for 20S, stopping 40S, stirring for 10S, stopping 30S, and forming patterns which do not pass through grains;
s2, adding the prepared powder or slurry with different colors into an extension machine for stirring and mixing, stirring all the materials in the step S1 until the viscosity is 600CPS, spraying the auxiliary materials of the extension machine into the materials of the main stirrer for stirring;
s3, vacuumizing, closing a top door of the main stirrer, starting a vacuumizing device to enable the vacuum degree of a vacuum chamber to reach-0.09 MPa, uniformly dispersing all materials in a grinding tool, and pressing and forming under vacuum at the pressure of 1000KM for 12 min;
the guniting process in the step S2 comprises the following steps of 10% of a cementing material, 20% of a pigment, 30% of 3000-mesh calcium carbonate powder, 50% of water and a proper amount of a thickening agent, wherein the viscosity is 1000mpas, and the process parameters are as follows: stirring at low speed for 6 circles, rotating for 7r/min, equally dividing the sprayed slurry into 2 parts, stopping the main stirrer when stirring for 1/4 circles, uniformly scattering powder in the materials in the main stirrer, and finally stirring for 2 circles;
the cementitious material was 42.5 white cement.
Example 3
A multicolor series inorganic artificial stone comprises the following raw materials: 30% of calcium carbonate sand, 35% of quartz sand, 4.0% of quartz powder, 30% of portland cement, 0.3% of a naphthalene water reducing agent, 0.2% of deacetylated chitin, 1.4% of pigment and 3.5% of styrene-butadiene emulsion;
the particle size of the calcium carbonate sand is 0.106 mm;
the particle size of the quartz sand is 0.17 mm;
the particle size of the quartz powder is 0.10 mm;
the strength of the portland cement is 42.5;
the molecular weight of the deacetylated chitin is 15000 ten thousand;
the preparation method of the multicolor series inorganic artificial stone comprises the following steps:
s1, adopting a main stirring and auxiliary stirring machine, firstly weighing the filler and the adhesive according to the weight percentage, adding the filler and the adhesive into the main stirring machine for high-speed stirring, then weighing the water, the water reducing agent, the thickening agent and the polymer emulsion according to the weight percentage, sequentially adding the weighed materials into a high-speed dispersion barrel with the capacity of 1 ton of water, stirring uniformly, transferring the materials into the main stirring machine for low-speed stirring at 5r/min, adding the materials of the auxiliary stirring machine for 6 times in the process of conveying the materials into the main stirring machine, namely turning over the main stirring machine once every half circle, finally stirring at a low speed of 5HZ for 30S, stopping 60S, stirring for 120S, stopping 50S, and forming patterns which do not pass through grains;
s2, adding the prepared powder or slurry with different colors into an extension machine for stirring and mixing, stirring all the materials in the step S1 until the viscosity is 400CPS, and stirring the auxiliary materials of the extension machine in the materials of the main stirrer for powder spreading;
s3, vacuumizing, closing the top door of the main stirrer, starting a vacuumizing device to make the vacuum degree of a vacuum chamber reach-0.1 MPaMPa, uniformly dispersing all materials in a grinding tool, and pressing and forming under vacuum at the pressure of 2500KM for 9 min;
the powder scattering process in the step S2 comprises the steps of preparing powder and controlling the powder scattering process, wherein the powder is prepared from 15% of a cementing material, 35% of a pigment and 50% of 200-mesh calcium carbonate powder, the process parameters comprise that the powder is stirred at a low speed for 6 circles and is turned to 7r/min, the scattered powder is equally divided into 2 parts, the main stirrer is stopped when stirring for 1/4 circles, the powder is uniformly scattered in the material in the main stirrer, and finally the powder is stirred for 2 circles;
the cementitious material was 42.5 white cement.
Comparative example 1
The procedure was substantially the same as in example 1 except that the filler particle size was 0.19 mm.
Comparative example 2
The inorganic type artificial stone was prepared by the process of example 1-4 of "a process for producing a square type inorganic type artificial stone (grant publication No. CN 107351236A)" in chinese patent document.
Test No.)
In order to compare the properties of the inorganic type artificial stone, examples 1 to 3 and comparative examples 1 to 2 were subjected to the performance test according to the test methods of standards GB/T35160.2-2017, GB/T35160.3-2017, GB/T35157-2017 and GB/T35160.6-2017, and the test data are shown in the following tables.
As can be seen from the above table, in the case of the data of examples 1-3 and comparative example 1, when the particle size of the base material is greater than 0.18mm, the properties of the prepared inorganic type artificial stone are reduced from those of examples 1-3. As can be seen from the data of examples 1 to 3 and comparative example 2, the multi-colored inorganic type artificial stone prepared by the present invention has performance higher than the basic performance of the inorganic type artificial stone of comparative example 2, the inorganic type artificial stone of the present invention is superior to the existing inorganic type artificial stone in performance, and the inorganic type artificial stone of the present invention has multi-colored stripes in appearance, and according to the data in the table, the parameters of the inorganic type artificial stone of the present invention meet the standard requirements of building decoration materials.
Test No. two
Comparative example 3
The process is substantially the same as that of example 1 except that the low-speed stirring control process is a non-intermittent, continuous stirring process to form a pattern that does not pass through the grain.
Comparative example 4
The preparation process is basically the same as that of the example 1, except that the auxiliary materials of the extension machine are directly added into the materials of the main stirrer in the step 2, and stirring is carried out without carrying out the dusting process.
Further comparing the performance of the inorganic type artificial stone, the performance test was performed on example 1 and comparative examples 1-2 according to the test method of GB/T35157 and 2017, and the test data are shown in the following table.
As can be seen from the above table, the data in example 1 and comparative example 1 show that the low-speed stirring control process is non-intermittent and continuous stirring to form patterns without passing through patterns, and the prepared inorganic artificial stone has no obvious color patterns. It can be seen from the data of example 1 and comparative example 2 that regular grains cannot be formed without the powdering process because the color of the cement can be regularly formed on the surface of the inorganic type artificial stone by the intermittent low-speed stirring process after the pigment is added to the cement.
Those skilled in the art will recognize that numerous variations are possible in light of the above description, and thus the examples are intended to describe one or more specific embodiments.
While there has been described and illustrated what are considered to be example embodiments of the present invention, it will be understood by those skilled in the art that various changes and substitutions may be made therein without departing from the spirit of the invention. In addition, many modifications may be made to adapt a particular situation to the teachings of the present invention without departing from the central concept described herein. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments and equivalents falling within the scope of the invention.
Claims (10)
1. A multicolor series inorganic artificial stone is characterized by comprising the following raw materials: 60-70% of filler A, 1.0-5.0% of filler B, 25-30% of adhesive, 0.1-0.5% of water reducing agent, 0.01-0.5% of thickening agent, 0-2.0% of pigment and 1.0-5.0% of polymer emulsion.
2. The artificial stone of claim 1, wherein the filler A is one or two kinds of quartz sand of calcium carbonate sand of 0.106mm to 0.18mm, and the filler B is one or more kinds of calcium carbonate powder, quartz powder and fly ash of 1000 mesh to 2000 mesh.
3. The artificial stone of claim 1, wherein the adhesive material is one of 42.5 or 52.5 portland cement and the water reducing agent is one of polycarboxylic acid water reducing agents or naphthalene water reducing agents.
4. The artificial stone of claim 3, wherein the polycarboxylic acid water reducer is a polyether with backbone of acrylic acid or methacrylic acid and different side chain lengths grafted with polyethylene glycol.
5. The multi-color series inorganic artificial stone as set forth in claim 1, wherein the thickener is one of deacetylated chitin with a molecular weight of 8000-15000 ten thousand or non-ionic polyacrylamide with a molecular weight of 800-1200 ten thousand.
6. The artificial stone of claim 1, wherein the pigment is selected from the group consisting of iron-based pigments, carbon black, and rutile type titanium dioxide, and the polymer emulsion is one of styrene-acrylic emulsion and styrene-butadiene emulsion.
7. A method for preparing a multi-color series inorganic type artificial stone according to claims 1 to 7, comprising the steps of:
s1, adopting a main stirring and auxiliary stirring machine, firstly weighing the filler and the adhesive according to the weight percentage, adding the filler and the adhesive into the main stirring machine for high-speed stirring, then weighing the water, the water reducing agent, the thickening agent and the polymer emulsion according to the weight percentage, sequentially adding the weighed materials into a high-speed dispersion barrel with the capacity of 1 ton of water, stirring the materials uniformly, transferring the materials into the main stirring machine for low-speed stirring at the speed of 5r/min, adding the materials of the auxiliary stirring machine for 2-6 times in the process of conveying the materials into the main stirring machine, namely turning over the main stirring machine once every half circle, and finally stirring the materials at the low speed of 5-10HZ for 20-30S, stopping stirring for 40-60S, stirring for 10-20S and stopping for 30-50S to form patterns which do not pass through grains;
s2, adding the prepared powder or slurry with different colors into the extension to be stirred and mixed, stirring all the materials in the step S1 until the viscosity is 300CPS and 600CPS, and scattering or spraying the auxiliary materials of the extension into the materials of the main stirrer to be stirred;
and S3, vacuumizing, starting a vacuumizing device after a top door of the main stirrer is closed, enabling the vacuum degree of the vacuum chamber to reach-0.1 MPa to-0.09 MPa, uniformly dispersing all materials in a grinding tool, and pressing and forming under vacuum, wherein the pressure is 1000KM to 3000KM, and the pressing time is 5min to 12 min.
8. The method of claim 7, wherein the step S2 includes preparing a powder material and controlling the powder material, the powder material is prepared from 10-15% of a binding material, 0-50% of a pigment, and 50-80% of 100-200 mesh calcium carbonate powder, the process parameters include stirring at a low speed for 4-6 turns, the rotation speed is 5-7 r/min, the powder is equally divided into 2-4 parts, the main stirrer is stopped every 1/4 turns, the powder is uniformly scattered in the materials in the main stirrer, and finally the stirring is carried out for 2-4 turns.
9. The method of claim 7, wherein the slurry spraying process of step S2 comprises 5-10% of a gelling material, 0-20% of a pigment, 20-30% of 2000-3000 mesh calcium carbonate powder, 40-50% of water, a proper amount of a thickener, and the viscosity is 100 mpa.s-1000 mpas, and the process parameters are as follows: stirring at low speed for 4-6 circles, rotating for 5-7 r/min, equally dividing the sprayed slurry into 2-4 parts, stopping the main stirrer every time 1/4 circles are stirred, uniformly scattering powder into the materials in the main stirrer, and finally stirring for 2-4 circles.
10. The method for preparing a multi-color series inorganic type artificial stone according to claims 8 to 9, wherein the gel material is one or both of white cement of 52.5 and 42.5.
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| CN202010701975.2A CN111892352B (en) | 2020-07-20 | 2020-07-20 | Preparation method of multicolor series inorganic artificial stone |
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| CN114276087A (en) * | 2021-12-31 | 2022-04-05 | 广东海龙建筑科技有限公司 | Compound-color inorganic artificial stone and manufacturing process thereof |
| CN114956690A (en) * | 2022-06-08 | 2022-08-30 | 国发环保新材料(江门)有限公司 | Formula and method for preparing artificial stone by using fly ash and copper ore slag |
| CN115231879A (en) * | 2022-08-15 | 2022-10-25 | 东莞环球经典新型材料有限公司 | Color-changeable inorganic artificial stone and preparation method thereof |
| CN115353338A (en) * | 2022-08-31 | 2022-11-18 | 深圳市润丰新材料科技有限公司 | Inorganic artificial stone with hidden color textures and preparation method thereof |
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| CN114276087A (en) * | 2021-12-31 | 2022-04-05 | 广东海龙建筑科技有限公司 | Compound-color inorganic artificial stone and manufacturing process thereof |
| CN114956690A (en) * | 2022-06-08 | 2022-08-30 | 国发环保新材料(江门)有限公司 | Formula and method for preparing artificial stone by using fly ash and copper ore slag |
| CN115231879A (en) * | 2022-08-15 | 2022-10-25 | 东莞环球经典新型材料有限公司 | Color-changeable inorganic artificial stone and preparation method thereof |
| CN115353338A (en) * | 2022-08-31 | 2022-11-18 | 深圳市润丰新材料科技有限公司 | Inorganic artificial stone with hidden color textures and preparation method thereof |
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| CN111892352B (en) | 2023-04-18 |
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