CN111548053A - Artificial stone and preparation method thereof - Google Patents
Artificial stone and preparation method thereof Download PDFInfo
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- CN111548053A CN111548053A CN202010585115.7A CN202010585115A CN111548053A CN 111548053 A CN111548053 A CN 111548053A CN 202010585115 A CN202010585115 A CN 202010585115A CN 111548053 A CN111548053 A CN 111548053A
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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
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/18—Polyesters; Polycarbonates
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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
- C04B2111/54—Substitutes for natural stone, artistic materials or the like
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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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- 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
- C04B2201/52—High compression strength concretes, i.e. with a compression strength higher than about 55 N/mm2, e.g. reactive powder concrete [RPC]
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Abstract
The invention relates to an artificial stone and a preparation method thereof, wherein the artificial stone is prepared by taking porcelain piece sand, porcelain piece powder, unsaturated polyester resin, a curing agent, a coupling agent and pigment with different particle sizes as raw materials and carrying out proper weight proportion, and the prepared artificial stone has high compression strength (more than or equal to 160MPa), good wear resistance (the wear rate is less than or equal to 6 multiplied by 10 < -3 > g/cm2), good bending property, good porcelain transparency and high product quality. The artificial stone has good antibacterial property and can be applied to the field of food.
Description
Technical Field
The invention belongs to the technical field of building materials, and particularly relates to an artificial stone and a preparation method thereof.
Background
Engineered stone is typically referred to as engineered stone solid facestock, engineered quartz stone, engineered stone granite, and the like. The artificial stone is different in type and composition. The artificial quartz stone is composed of about 90% of quartz stone aggregate, about 90% of quartz stone powder and about 10% of other additive powder, such as pigment, resin, active factor, additive and the like. The material is prepared by the procedures of full mixing and stirring, vacuum high-pressure vibration pressing, normal-temperature curing, fixed-thickness grinding and polishing and the like.
Because the artificial quartz is bonded by resin, the abrasion resistance of the resin is lower than that of the traditional ceramic tile, people are dedicated to researching a formula for improving the abrasion resistance of the artificial quartz, and high-hardness filler such as silicon carbide micro powder and carborundum or abrasion-resistant fiber is generally added.
In recent 20 years, the ceramic industry enters a rapid development stage, new technology and new equipment are used in large quantities, and the ceramic yield is greatly increased. The production of ceramic waste is increasing along with the increase of the production. Data show that the waste ceramic garbage in China reaches ten million tons, particularly Jingdezhen porcelain, so a large amount of ceramic waste is not only a great waste to resources, but also a great pollution to the environment, which is not a problem which can be solved by simple landfill, and along with the increasing development of economy and the progress of society, the environment becomes a focus of attention of people, how to change waste into valuables, and changing waste into resources become a preoccupation in realizing sustainable development of the whole industry.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides an artificial stone with high hardness and good wear resistance and a preparation method thereof. The artificial stone has the advantages of high hardness, good wear resistance, good bending property, good porcelain permeability and high product quality.
The technical scheme adopted by the invention is as follows:
an artificial stone comprises the following raw material components:
18-33 parts of porcelain sand with the grain diameter of 40-69 meshes;
18-20 parts of porcelain sand with the grain diameter of 70-120 meshes;
15-30 parts of ceramic chip powder with the particle size of 400 meshes;
1.8-2.2 parts by weight of ceramic chip powder with the grain size of 1250 meshes;
12-16 parts of unsaturated polyester resin;
0.1-0.3 parts of curing agent;
0.05-0.15 weight part of coupling agent;
0.5-1 weight portion of pigment.
Further, the artificial stone comprises the following raw material components:
33 parts of porcelain sand with the grain diameter of 40-69 meshes;
20 parts of porcelain sand with the grain diameter of 70-120 meshes;
30 parts by weight of ceramic chip powder with the particle size of 400 meshes;
2 parts by weight of porcelain piece powder with the grain size of 1250 meshes;
14 parts by weight of unsaturated polyester resin;
0.2 part by weight of curing agent;
0.1 part by weight of coupling agent;
0.7 part by weight of pigment.
Further, the raw material components also comprise: 32-38 parts by weight of quartz sand.
In a preferred embodiment, the quartz sand is specifically composed of:
quartz sand with the grain size of 40-69 meshes, quartz sand with the grain size of 70-120 meshes and quartz powder with the grain size of 400 meshes are mixed according to the mass ratio of 12-18:8-12: 12-18.
In another preferred embodiment, the quartz sand is specifically composed of:
the quartz sand with the grain size of 40-69 meshes, the quartz sand with the grain size of 70-120 meshes and the quartz powder with the grain size of 400 meshes are mixed according to the mass ratio of 15:10: 15.
Further, the unsaturated polyester resin is one or a mixture of more of o-benzene type unsaturated polyester resin, m-benzene type unsaturated polyester resin, p-benzene type unsaturated polyester resin and epoxy resin.
Further, the curing agent is one or a mixture of more of tert-butyl peroxy-2-ethylhexanoate, methyl ethyl ketone peroxide and cycloethyl ketone peroxide.
Further, the coupling agent is one or a mixture of more of silane KH570, Dow Corning Z-6121 silane coupling agent and Silquest A-174NT silane coupling agent; the pigment is titanium dioxide and/or iron oxide.
Further, the preparation method of the artificial stone comprises the following steps:
(1) and (3) homogenization treatment: respectively homogenizing the porcelain piece sand, the porcelain piece powder, the unsaturated polyester resin, the curing agent, the coupling agent and the pigment to obtain homogenized materials;
(2) stirring and mixing: fully stirring and uniformly mixing the materials homogenized in the step (1) to obtain a mixed material;
(3) preparing a prefabricated body: pressurizing under vacuum condition to obtain a prefabricated body;
(4) and (3) curing: shaping and completely curing the prefabricated body under the heating condition to obtain a blank piece;
(5) grinding and polishing: and grinding and polishing the blank to obtain the artificial stone product.
In the step (3), the vacuum degree is less than or equal to-0.098 MPa, the pressurizing mode is vibration cold pressing, and the pressure is not less than 7T/m2；
In the step (4), the heating temperature is 85-95 ℃, and the heating time is 85-95 min.
The artificial stone provided by the invention is prepared by taking porcelain piece sand, porcelain piece powder, unsaturated polyester resin, curing agent, coupling agent and pigment with different particle sizes as raw materials and carrying out proper weight proportion, and the prepared artificial stone is high in compression strength (not less than 160MPa) and good in wear resistance (the wear rate is not more than 6 × 10)-3g/cm2) Good bending property, good ceramic permeability and high product quality. The artificial stone has good antibacterial property and can be applied to the field of food.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a graph of displacement loads for different synthetic stone samples.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are merely exemplary of the invention, and not of the invention in its entirety. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The raw materials of the artificial stone described in the present application are applicable to all raw materials sold in the market, as long as the specified requirements are satisfied, in order to facilitate the comparison and illustrate the performance of the artificial stone, the porcelain piece sand and the porcelain piece powder with different particle sizes used in the following examples and comparative examples are provided by Sanming Datian county epitaxy source mining industry, the unsaturated polyester resin is provided by Guangxi Rice huller Hua resin Co., Ltd, and the pigment is provided by DuPont.
Example 1
The embodiment provides an artificial stone which is prepared from the following raw materials:
33g of porcelain piece sand with the grain size of 40-69 meshes;
20g of porcelain piece sand with the grain diameter of 70-120 meshes;
30g of ceramic chip powder with the particle size of 400 meshes;
2g of porcelain piece powder with the grain size of 1250 meshes;
14g of o-benzene type unsaturated polyester resin;
0.2g of tert-butyl peroxy-2-ethylhexanoate curing agent;
silane coupling agent KH570, 0.1 g;
titanium dioxide, 0.8 g.
The preparation method of the artificial stone comprises the following steps:
(1) and (3) homogenization treatment: taking the ceramic tile sand, the ceramic tile powder, the o-benzene type unsaturated polyester resin, the curing agent, the silane coupling agent and the titanium dioxide, respectively putting the ceramic tile sand, the ceramic tile powder, the o-benzene type unsaturated polyester resin, the curing agent, the silane coupling agent and the titanium dioxide into a frequency conversion mixer which is not less than 30T for homogenization treatment, controlling the frequency to be 42Hz and the time to be 10min, and respectively rotating the materials in a positive and negative mode once to obtain homogenized materials (the particle size;
(2) stirring and mixing: feeding the homogenized materials obtained in the step (1) into a planetary stirrer, and fully stirring and uniformly mixing to obtain mixed materials;
(3) preparing a prefabricated body: uniformly distributing the mixed material obtained in the step (2) into a die frame through a material distribution system, so that the specific gravity of the material filled in the die frame in unit area is basically consistent; under the vacuum condition, bubbles mixed in the material in the die frame are thoroughly discharged in a vibration cold pressing mode, the high density and high strength of the obtained product are ensured, and a prefabricated body is obtained after treatment; the technical requirements are as follows: the vacuum degree value is less than or equal to-0.098 MPa, and the pressurizing force of the material per square meter is more than or equal to 7T;
(4) and (3) curing: heating the prefabricated body at 90 ℃ for 90min to ensure that the prefabricated body is shaped and completely cured to obtain a blank piece;
(5) grinding and polishing: grinding the blank by using a diamond cutter to enable the blank to meet the requirement of design thickness; and polishing the blank by using a clay and resin grinding tool to obtain the artificial stone product with the glossiness of 60 degrees.
Example 2
The embodiment provides an artificial stone which is prepared from the following raw materials:
18g of porcelain sand with the grain size of 40-69 meshes;
15g of quartz sand with the particle size of 40-69 meshes;
20g of porcelain piece sand with the grain diameter of 70-120 meshes;
10g of quartz sand with the particle size of 70-120 meshes;
15g of ceramic chip powder with the particle size of 400 meshes;
15g of quartz powder with the particle size of 400 meshes;
2g of porcelain piece powder with the grain size of 1250 meshes;
14g of o-benzene type unsaturated polyester resin;
0.2g of tert-butyl peroxy-2-ethylhexanoate curing agent;
silane coupling agent KH570, 0.1 g;
iron oxide pigment, 0.8 g.
The preparation method of the artificial stone comprises the following steps:
(1) and (3) homogenization treatment: taking the ceramic tile sand, the ceramic tile powder, the unsaturated polyester resin, the curing agent, the silane coupling agent and the iron oxide pigment, respectively putting the ceramic tile sand, the ceramic tile powder, the unsaturated polyester resin, the curing agent, the silane coupling agent and the iron oxide pigment into a frequency conversion mixer which is not less than 30T for homogenization treatment, and respectively carrying out forward and backward rotation once respectively at the frequency of 42Hz for 10min to obtain homogenized materials (the particle size distribution of particles reaches a target numerical range);
(2) stirring and mixing: feeding the homogenized materials obtained in the step (1) into a planetary stirrer, and fully stirring and uniformly mixing to obtain mixed materials;
(3) preparing a prefabricated body: uniformly distributing the mixed material obtained in the step (2) into a die frame through a material distribution system, so that the specific gravity of the material filled in the die frame in unit area is basically consistent; under the vacuum condition, bubbles mixed in the material in the die frame are thoroughly discharged in a vibration cold pressing mode, the high density and high strength of the obtained product are ensured, and a prefabricated body is obtained after treatment; the technical requirements are as follows: the vacuum degree value is less than or equal to-0.098 MPa, and the pressurizing force of the material per square meter is more than or equal to 7T;
(4) and (3) curing: heating the preform at 95 ℃ for 85min to completely shape and cure the preform to obtain a blank;
(5) grinding and polishing: grinding the blank by using a diamond cutter to enable the blank to meet the requirement of design thickness; and polishing the blank by using a clay and resin grinding tool to obtain the artificial stone product with the glossiness of 80 degrees.
Example 3
The embodiment provides an artificial stone which is prepared from the following raw materials:
18g of porcelain sand with the grain size of 40-69 meshes;
18g of porcelain piece sand with the grain diameter of 70-120 meshes;
15g of ceramic chip powder with the particle size of 400 meshes;
1.8g of ceramic chip powder with the grain size of 1250 meshes;
12g of m-benzene unsaturated polyester resin;
0.1g of methyl ethyl ketone peroxide curing agent;
dow Corning Z-6121 silane coupling agent, 0.05 g;
titanium dioxide, 0.5 g.
The preparation method of the artificial stone comprises the following steps:
(1) and (3) homogenization treatment: respectively putting the ceramic tile sand, the ceramic tile powder, the unsaturated polyester resin, the curing agent, the coupling agent and the pigment into a frequency conversion mixer which is not less than 30T for homogenization treatment, controlling the frequency at 42Hz and the time at 10min for forward and reverse rotation respectively once, and obtaining homogenized materials (the particle size distribution of particles reaches a target numerical range);
(2) stirring and mixing: feeding the homogenized materials obtained in the step (1) into a planetary stirrer, and fully stirring and uniformly mixing to obtain mixed materials;
(3) preparing a prefabricated body: uniformly distributing the mixed material obtained in the step (2) into a die frame through a material distribution system, so that the specific gravity of the material filled in the die frame in unit area is basically consistent; under the vacuum condition, bubbles mixed in the material in the die frame are thoroughly discharged in a vibration cold pressing mode, the high density and high strength of the obtained product are ensured, and a prefabricated body is obtained after treatment; the technical requirements are as follows: the vacuum degree value is less than or equal to-0.098 MPa, and the pressurizing force of the material per square meter is more than or equal to 7T;
(4) and (3) curing: heating the preform at 85 ℃ for 95min to completely shape and cure the preform to obtain a blank;
(5) grinding and polishing: grinding the blank by using a diamond cutter to enable the blank to meet the requirement of design thickness; and polishing the blank by using a clay and resin grinding tool to obtain the artificial stone product with the glossiness of 40 degrees.
Example 4
The difference between this example and example 3 is only that the amount of each raw material is different, and the amount of the raw materials used for the artificial stone in this example is specifically as follows:
18g of porcelain sand with the grain size of 40-69 meshes;
18g of porcelain piece sand with the grain diameter of 70-120 meshes;
15g of ceramic chip powder with the particle size of 400 meshes;
2.2g of porcelain piece powder with the grain size of 1250 meshes;
16g of o-benzene type unsaturated polyester resin;
0.3g of cycloethanone peroxide curing agent;
silquest A-174NT silane coupling agent, 0.15 g;
titanium dioxide, 1 g.
Example 5
The difference between this example and example 2 is only that the amount of each raw material is different, and the amount of the raw materials used for the artificial stone in this example is specifically as follows:
18g of porcelain sand with the grain size of 40-69 meshes;
12g of quartz sand with the particle size of 40-69 meshes;
20g of porcelain piece sand with the grain diameter of 70-120 meshes;
8g of quartz sand with the particle size of 70-120 meshes;
15g of ceramic chip powder with the particle size of 400 meshes;
12g of quartz powder with the particle size of 400 meshes;
2g of porcelain piece powder with the grain size of 1250 meshes;
14g of o-benzene type unsaturated polyester resin;
0.2g of tert-butyl peroxy-2-ethylhexanoate curing agent;
silane coupling agent KH570, 0.1 g;
iron oxide pigment, 0.8 g.
Example 6
The difference between this example and example 2 is only that the amount of each raw material is different, and the amount of the raw materials used for the artificial stone in this example is specifically as follows:
18g of porcelain sand with the grain size of 40-69 meshes;
18g of quartz sand with the particle size of 40-69 meshes;
20g of porcelain piece sand with the grain diameter of 70-120 meshes;
12g of quartz sand with the particle size of 70-120 meshes;
15g of ceramic chip powder with the particle size of 400 meshes;
18g of quartz powder with the particle size of 400 meshes;
2g of porcelain piece powder with the grain size of 1250 meshes;
14g of o-benzene type unsaturated polyester resin;
0.2g of tert-butyl peroxy-2-ethylhexanoate curing agent;
silane coupling agent KH570, 0.1 g;
iron oxide pigment, 0.8 g.
Comparative example 1
The difference between the comparative example and the example 1 is only that the raw materials are different, the raw materials adopted by the artificial stone of the comparative example only contain 20-35 meshes of ceramic fragments, do not contain 40-69 meshes of porcelain sand, 70-120 meshes of porcelain sand, 400 meshes of porcelain powder and 1250 meshes of porcelain powder, and the other raw material components are the same, and the raw materials of the artificial stone provided by the comparative example are as follows:
85g of ceramic fragments with the particle size of 20-35 meshes;
14g of o-benzene type unsaturated polyester resin;
0.2g of tert-butyl peroxy-2-ethylhexanoate curing agent;
silane coupling agent KH570, 0.1 g;
titanium dioxide, 0.8 g.
Comparative example 2
The difference between the comparative example and the example 1 is only that the raw materials are different, the raw materials adopted by the artificial stone of the comparative example only contain 40-69 meshes of porcelain sand, and do not contain 70-120 meshes of porcelain sand, 400 meshes of porcelain piece powder and 1250 meshes of porcelain piece powder, and the other raw material components are the same, and the raw materials of the artificial stone provided by the comparative example are as follows:
85g of porcelain piece sand with the grain diameter of 40-69 meshes;
14g of o-benzene type unsaturated polyester resin;
0.2g of tert-butyl peroxy-2-ethylhexanoate curing agent;
silane coupling agent KH570, 0.1 g;
titanium dioxide, 0.8 g.
Examples of the experiments
The bending performance of the artificial stones obtained in the examples 1-2 and the comparative examples 1-2 is detected by a GB/T2567-2008 method, the span is 64mm, the width of the sample is 38.77mm, and the thickness of the sample is 8.1 mm.
The results are shown in Table 1.
As can be seen from table 1, the bending properties of the artificial stones prepared by the method of the present invention (examples 1 and 2) are significantly improved compared to those of the artificial stones prepared by the methods of comparative examples 1 and 2, thereby illustrating that the artificial stones provided by the present invention have good bending properties. In addition, the performance of the artificial stone in the embodiment 2 is superior to that of the artificial stone in the embodiment 1, which shows that the performance of the artificial stone is further improved by adding quartz sand and quartz powder with different particle sizes on the basis of adopting the porcelain piece sand and the porcelain piece powder with different particle sizes.
FIG. 1 is a graph showing displacement load of samples of four artificial stone prepared by different methods in comparative example 1, comparative example 2, example 1 and example 2, wherein the numbers 1-4 represent the samples obtained in comparative example 1, comparative example 2, example 1 and example 2. It can be seen from the figure that the samples obtained in example 2 have the highest breaking load, which is much higher than the breaking load of the samples obtained in comparative examples 1 and 2.
The content of elements and the like in the artificial stone obtained in example 2 of the invention were measured by the QB/T2578-2002 method, and the measurement results are shown in Table 2.
As can be seen from Table 2, the content of aluminum element in the artificial stone is as high as 21.49%, which is much higher than the content of aluminum element in the artificial stone in the prior art (about 15%), and the artificial stone has high compressive strength (not less than 160MPa) and good wear resistance (the wear rate is not more than 6 × 10)-3g/cm2) (ii) a The content of the silicon element is 61.78 percent (less than or equal to 75 percent), the content of the potassium element is 0.98 percent (more than or equal to 0.5 percent), and the contents are all in the range required by the industry.
The ignition loss of the artificial stone is 14.21 percent, namely the mass lost by the calcined sample at the sintering temperature of 1200 ℃ accounts for the mass of the sample before calcination, and the range of the artificial stone meets the industrial requirement.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. An artificial stone is characterized by comprising the following raw material components:
18-33 parts of porcelain sand with the grain diameter of 40-69 meshes;
18-20 parts of porcelain sand with the grain diameter of 70-120 meshes;
15-30 parts of ceramic chip powder with the particle size of 400 meshes;
1.8-2.2 parts by weight of ceramic chip powder with the grain size of 1250 meshes;
12-16 parts of unsaturated polyester resin;
0.1-0.3 parts of curing agent;
0.05-0.15 weight part of coupling agent;
0.5-1 weight portion of pigment.
2. An artificial stone according to claim 1, wherein the feedstock components are:
33 parts of porcelain sand with the grain diameter of 40-69 meshes;
20 parts of porcelain sand with the grain diameter of 70-120 meshes;
30 parts by weight of ceramic chip powder with the particle size of 400 meshes;
2 parts by weight of porcelain piece powder with the grain size of 1250 meshes;
14 parts by weight of unsaturated polyester resin;
0.2 part by weight of curing agent;
0.1 part by weight of coupling agent;
0.7 part by weight of pigment.
3. An artificial stone according to claim 1, wherein the raw material components further include: 32-38 parts by weight of quartz sand.
4. An artificial stone according to claim 3, wherein the quartz sand is of a specific composition:
quartz sand with the grain size of 40-69 meshes, quartz sand with the grain size of 70-120 meshes and quartz powder with the grain size of 400 meshes are mixed according to the mass ratio of 12-18:8-12: 12-18.
5. An artificial stone according to claim 4, wherein the quartz sand is of a specific composition:
the quartz sand with the grain size of 40-69 meshes, the quartz sand with the grain size of 70-120 meshes and the quartz powder with the grain size of 400 meshes are mixed according to the mass ratio of 15:10: 15.
6. An artificial stone according to claim 1, wherein the unsaturated polyester resin is one or a mixture of more of o-benzene type unsaturated polyester resin, m-benzene type unsaturated polyester resin, p-benzene type unsaturated polyester resin and epoxy resin.
7. An artificial stone according to claim 1, wherein the curing agent is one or a mixture of t-butyl peroxy-2-ethylhexanoate, methyl ethyl ketone peroxide, and cycloethanone peroxide.
8. An artificial stone according to claim 1, wherein the coupling agent is one or a mixture of silane KH570, dow corning Z-6121 silane coupling agent, Silquest a-174NT silane coupling agent; the pigment is titanium dioxide and/or iron oxide.
9. A method for producing artificial stone according to claims 1 to 8, characterized by the steps of:
(1) and (3) homogenization treatment: respectively homogenizing the porcelain piece sand, the porcelain piece powder, the unsaturated polyester resin, the curing agent, the coupling agent and the pigment to obtain homogenized materials;
(2) stirring and mixing: fully stirring and uniformly mixing the materials homogenized in the step (1) to obtain a mixed material;
(3) preparing a prefabricated body: pressurizing under vacuum condition to obtain a prefabricated body;
(4) and (3) curing: shaping and completely curing the prefabricated body under the heating condition to obtain a blank piece;
(5) grinding and polishing: and grinding and polishing the blank to obtain the artificial stone product.
10. The method for preparing an artificial stone according to claim 9, wherein the degree of vacuum in step (3) is ≦ 0.098MPa, the pressure is vibration cold pressing, and the pressure is ≧ 7T/m2；
In the step (4), the heating temperature is 85-95 ℃, and the heating time is 85-95 min.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113185189A (en) * | 2021-06-08 | 2021-07-30 | 泉州市新兴石材工艺有限公司 | High-hardness artificial stone and preparation method thereof |
| CN114656195A (en) * | 2022-04-22 | 2022-06-24 | 陕西省能源化工研究院 | Process method for preparing artificial stone from solid waste |
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| CN113185189A (en) * | 2021-06-08 | 2021-07-30 | 泉州市新兴石材工艺有限公司 | High-hardness artificial stone and preparation method thereof |
| CN113185189B (en) * | 2021-06-08 | 2022-06-10 | 泉州市新兴石材工艺有限公司 | High-hardness artificial stone and preparation method thereof |
| CN114656195A (en) * | 2022-04-22 | 2022-06-24 | 陕西省能源化工研究院 | Process method for preparing artificial stone from solid waste |
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Application publication date: 20200818 |