CN116947372A - Implementation method of composite quartz stone plate with high chemical resistance - Google Patents
Implementation method of composite quartz stone plate with high chemical resistance Download PDFInfo
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- CN116947372A CN116947372A CN202310301436.3A CN202310301436A CN116947372A CN 116947372 A CN116947372 A CN 116947372A CN 202310301436 A CN202310301436 A CN 202310301436A CN 116947372 A CN116947372 A CN 116947372A
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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
- C04B26/16—Polyurethanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
-
- 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
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/08—Acids or salts thereof
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/02—Alcohols; Phenols; Ethers
- C04B24/026—Fatty alcohols
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/40—Compounds containing silicon, titanium or zirconium or other organo-metallic compounds; Organo-clays; Organo-inorganic complexes
- C04B24/42—Organo-silicon compounds
-
- 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
-
- 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
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses an implementation method of a composite quartz stone plate with high chemical resistance, which comprises the following components in percentage by mass: 25-30% of quartz powder, 35-40% of quartz sand, 1-2% of silane coupling agent, 1-2% of curing agent, 2-5% of sorbitol, 1-3% of aluminum chloride, 10-18% of bentonite and 5-15% of polyurethane resin. The sorbitol and the aluminum chloride are added to be matched with other raw materials, so that the mechanical strength, the thermal stability, the heat insulation and other performances of the artificial quartz stone plate can be effectively improved. The bentonite is also added, so that the permeation resistance and the water resistance of the plate can be improved, and the produced quartz stone plate is not easy to color.
Description
Technical Field
The invention belongs to the technical field of building materials, and particularly relates to an implementation method of a composite quartz stone plate with high chemical resistance.
Background
The artificial quartz stone is a novel polymeric material which is prepared by mixing natural quartz sand, quartz powder, resin and pigment and processing the mixture by special equipment. The quartz stone has the advantages of multiple patterns and varieties, good decorative effect, high hardness, good wear resistance, strong stain resistance, corrosion resistance, environmental protection, no radiation, high temperature resistance, no deformation, high strength, good toughness and easy connection. The artificial quartz stone plate has no radiation and good antifouling effect, and is a green environment-friendly home decoration material which is preferred to replace natural marble. Compared with natural stone, the quartz stone has the unique advantages of no toxicity, no pollution, rich colors and the like; compared with artificial granite, the quartz stone has the advantages of high strength, good toughness, high temperature resistance and the like. Because of the incomparable advantages and characteristics of natural stone and artificial sentry stone, quartz stone has become a new pet in stone markets and is widely adopted in building markets.
At present, the artificial quartz stone plate has the defects of uneven density, low strength, easy caking, easy deformation, easy aging, easy color entering, single color and pattern and the like, the effect of high-simulation natural stone is difficult to achieve on the texture and the color, the surface effect of the artificial quartz stone is seriously influenced, and the attractiveness of buildings and indoor decoration is influenced. Therefore, developing a high performance synthetic quartz stone panel is a constant challenge for those skilled in the art.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an implementation method of a composite quartz stone plate with high chemical resistance.
The invention provides an implementation method of a composite quartz stone plate with high chemical resistance, which comprises the following components in percentage by mass: 25-30% of quartz powder, 35-40% of quartz sand, 1-2% of silane coupling agent, 1-2% of curing agent, 2-5% of sorbitol, 1-3% of aluminum chloride, 10-18% of bentonite and 5-15% of polyurethane resin.
Preferably, the composition comprises the following components in percentage by mass: 28% of quartz powder, 37% of quartz sand, 2% of silane coupling agent, 1.6% of curing agent, 3.4% of sorbitol, 2% of aluminum chloride, 13% of bentonite and 13% of unsaturated resin.
Preferably, the particle size of the quartz powder is 100-300 meshes.
Preferably, the particle size of the quartz sand is 10-80 meshes.
Preferably, the silane coupling agent is methacryloxypropyl trimethoxysilane (KH 570).
Preferably, the curing agent is methyl ethyl ketone peroxide or cyclohexanone peroxide.
Preferably, the curing agent is methyl ethyl ketone peroxide.
The invention also provides a preparation method of the implementation method of the composite quartz stone plate with high chemical resistance, which comprises the following steps:
1) Adding a silane coupling agent into polyurethane resin at 50-60 ℃, uniformly mixing, heating to 70-80 ℃, adding sorbitol, and uniformly stirring to obtain a mixture;
2) Sequentially adding quartz sand, quartz powder, aluminum chloride, bentonite and a curing agent into the mixture under 50-80r/min stirring, increasing the stirring speed to 300-400r/min after the addition, continuously stirring for 10-30min, and uniformly mixing to obtain a mixture; and (3) pouring the mixture into a mould, then pressing and forming under the vacuum condition, solidifying and reacting the formed plate at 90-95 ℃, demoulding after the reaction is finished, and cooling to obtain the quartz plate.
Preferably, the vacuum degree under the vacuum condition in the step 2) is-0.1 to-0.08 MPa.
Preferably, the stirring time for adding sorbitol in step 1) is 30-60min.
The polyurethane resin is AMS-2099 which is supplied by Guangdong beautifier company.
The bentonite is sodium bentonite supplied by Weifang san montmorillonite technology limited company.
In the prior art, the main raw materials of the quartz stone plate are quartz materials (quartz sand, quartz powder or quartz blocks), and the quartz stone plate has the advantages of high strength and good toughness, but is unevenly mixed with other raw materials (such as resin and bentonite), so that the obtained quartz stone plate is easy to agglomerate, the gap inside the plate is larger, the structure is not compact, the strength of the quartz stone plate is finally low, the density is uneven, and the service life is greatly shortened.
The sorbitol and the aluminum chloride are added to be matched with other raw materials, so that the mechanical strength, the thermal stability, the heat insulation and other performances of the artificial quartz stone plate can be effectively improved. The bentonite is also added, so that the permeation resistance and the water resistance of the plate can be improved, and the produced quartz stone plate is not easy to color.
The invention firstly adds the silane coupling agent into the polyurethane resin at 50-60 ℃, uniformly mixes the materials, then heats the materials to 70-80 ℃, then adds sorbitol, controls the addition temperature and the addition sequence of the sorbitol and the silane coupling agent, firstly carries out the preliminary treatment on the polyurethane resin, then mixes the polyurethane resin with the rest raw materials, can solve the problem of uneven mixing of the quartz material, the polyurethane resin and the bentonite, avoids the agglomeration of the quartz stone plate, has smaller gap inside the plate, compact structure, finally leads to the high strength, uniform density and greatly prolonged service life of the quartz stone plate.
The raw materials are adopted and the adding sequence of the raw materials is controlled, so that the raw materials can be uniformly mixed, the stirring speed is controlled to be 50-80r/min during the adding period of the raw materials, the stirring speed is increased to be 100-200r/min after all the raw materials are added, the raw materials can be uniformly mixed by controlling the stirring speed during the mixing period of the raw materials, the finally obtained quartz stone plate has excellent physical properties, low water absorption rate, the comprehensive performance index of the plate is improved, and the service life is prolonged.
The beneficial effects of the invention are as follows:
1. the sorbitol and the aluminum chloride are added to be matched with other raw materials, so that the mechanical strength, the thermal stability, the heat insulation and other performances of the artificial quartz stone plate can be effectively improved. The bentonite is also added, so that the permeation resistance and the water resistance of the plate can be improved, and the produced quartz stone plate is not easy to color.
2. The invention firstly adds the silane coupling agent into the polyurethane resin at 50-60 ℃, uniformly mixes the materials, then heats the materials to 70-80 ℃, then adds sorbitol, controls the addition temperature and the addition sequence of the sorbitol and the silane coupling agent, firstly carries out the preliminary treatment on the polyurethane resin, then mixes the polyurethane resin with the rest raw materials, can solve the problem of uneven mixing of the quartz material, the polyurethane resin and the bentonite, avoids the agglomeration of the quartz stone plate, has smaller gap inside the plate, compact structure, finally leads to the high strength, uniform density and greatly prolonged service life of the quartz stone plate.
3. The raw materials are adopted and the adding sequence of the raw materials is controlled, so that the raw materials can be uniformly mixed, the stirring speed is controlled to be 50-80r/min during the adding period of the raw materials, the stirring speed is increased to be 100-200r/min after the raw materials are added, the raw materials can be uniformly mixed by controlling the stirring speed during the mixing period of the raw materials, the finally obtained quartz stone plate has excellent physical properties, low water absorption rate, the comprehensive performance index of the plate is improved, and the service life is prolonged.
4. According to the invention, through optimizing the formula and mutually matching different raw materials, the performances of the quartz stone plate, such as wear resistance, acid and alkali resistance, high temperature resistance, impact resistance, compression resistance, fracture resistance, scratch resistance, ageing resistance, weather resistance and the like, are improved, and the comprehensive performance of the artificial quartz stone plate is improved.
Detailed Description
The following describes the invention in further detail with reference to examples, which are not intended to limit the invention thereto.
Example 1
The implementation method of the composite quartz stone plate with high chemical resistance comprises the following components in percentage by mass: 30% of 300-mesh quartz powder, 35% of 10-mesh quartz sand, 2% of silane coupling agent methacryloxypropyl trimethoxy silane (KH 570), 2% of curing agent methyl ethyl ketone peroxide, 5% of sorbitol, 3% of aluminum chloride, 18% of bentonite and 5% of polyurethane resin.
The preparation method comprises the following steps:
1) Adding a silane coupling agent into polyurethane resin at 60 ℃, uniformly mixing, heating to 80 ℃, adding sorbitol, and stirring for 60min to obtain a mixture;
2) Adding quartz sand, quartz powder, aluminum chloride, bentonite and a curing agent into the mixture in sequence under 50r/min of stirring, increasing the stirring speed to 400r/min after the addition, continuously stirring for 20min, and uniformly mixing to obtain a mixture; and (3) pouring the mixture into a mould, then pressing and forming under the vacuum condition, wherein the vacuum degree is-0.1 MPa, solidifying and reacting the formed plate at 95 ℃, demoulding and cooling after the reaction is finished, and thus obtaining the quartz plate.
Example 2
The implementation method of the composite quartz stone plate with high chemical resistance comprises the following components in percentage by mass: 28% of 100-mesh quartz powder, 37% of 80-mesh quartz sand, 2% of silane coupling agent methacryloxypropyl trimethoxy silane (KH 570), 1.6% of curing agent methyl ethyl ketone peroxide, 3.4% of sorbitol, 2% of aluminum chloride, 13% of bentonite and 13% of polyurethane resin.
The preparation method comprises the following steps:
1) Adding a silane coupling agent into polyurethane resin at 60 ℃, uniformly mixing, heating to 75 ℃, adding sorbitol, and stirring for 40min to obtain a mixture;
2) Sequentially adding quartz sand, quartz powder, aluminum chloride, bentonite and a curing agent into the mixture under the stirring of 60r/min, increasing the stirring speed to 300r/min after the addition, continuously stirring for 10min, and uniformly mixing to obtain a mixture; and (3) pouring the mixture into a mould, then pressing and forming under the vacuum condition, wherein the vacuum degree is-0.08 MPa, solidifying and reacting the formed plate at 95 ℃, demoulding and cooling after the reaction is finished, and thus obtaining the quartz plate.
Example 3
The implementation method of the composite quartz stone plate with high chemical resistance comprises the following components in percentage by mass: 25% of 250 mesh quartz powder, 40% of 50 mesh quartz sand, 1% of silane coupling agent methacryloxypropyl trimethoxy silane (KH 570), 1% of curing agent cyclohexanone peroxide, 2% of sorbitol, 1% of aluminum chloride, 15% of bentonite and 15% of polyurethane resin.
The preparation method comprises the following steps:
1) Adding a silane coupling agent into polyurethane resin at 50 ℃, uniformly mixing, heating to 70 ℃, adding sorbitol, and stirring for 30min to obtain a mixture;
2) Adding quartz sand, quartz powder, aluminum chloride, bentonite and a curing agent into the mixture in sequence under the stirring of 80r/min, increasing the stirring speed to 350r/min after the adding, continuously stirring for 30min, and uniformly mixing to obtain a mixture; and (3) pouring the mixture into a mould, then pressing and forming under the vacuum condition, wherein the vacuum degree is-0.085 MPa, solidifying and reacting the formed plate at 90 ℃, demoulding and cooling after the reaction is finished, and thus obtaining the quartz plate.
Comparative example 1
The implementation method of the composite quartz stone plate with high chemical resistance comprises the following components in percentage by mass: 30% of 100-mesh quartz powder, 37% of 80-mesh quartz sand, 2% of silane coupling agent methacryloxypropyl trimethoxy silane (KH 570), 1.6% of curing agent methyl ethyl ketone peroxide, 3.4% of sorbitol, 13% of bentonite and 13% of polyurethane resin.
The preparation method comprises the following steps:
1) Adding a silane coupling agent into polyurethane resin at 60 ℃, uniformly mixing, heating to 75 ℃, adding sorbitol, and stirring for 40min to obtain a mixture;
2) Sequentially adding quartz sand, quartz powder, bentonite and a curing agent into the mixture under stirring at 60r/min, increasing the stirring speed to 300r/min after the addition, continuously stirring for 10min, and uniformly mixing to obtain a mixture; and (3) pouring the mixture into a mould, then pressing and forming under the vacuum condition, wherein the vacuum degree is-0.08 MPa, solidifying and reacting the formed plate at 95 ℃, demoulding and cooling after the reaction is finished, and thus obtaining the quartz plate.
Comparative example 2
The implementation method of the composite quartz stone plate with high chemical resistance comprises the following components in percentage by mass: 29% of 100-mesh quartz powder, 39.4% of 80-mesh quartz sand, 2% of silane coupling agent methacryloxypropyl trimethoxysilane (KH 570), 1.6% of curing agent methyl ethyl ketone peroxide, 2% of aluminum chloride, 13% of bentonite and 13% of polyurethane resin.
The preparation method comprises the following steps:
1) Adding a silane coupling agent into polyurethane resin at 60 ℃ and uniformly mixing to obtain a mixture;
2) Sequentially adding quartz sand, quartz powder, aluminum chloride, bentonite and a curing agent into the mixture under the stirring of 60r/min, increasing the stirring speed to 300r/min after the addition, continuously stirring for 10min, and uniformly mixing to obtain a mixture; and (3) pouring the mixture into a mould, then pressing and forming under the vacuum condition, wherein the vacuum degree is-0.08 MPa, solidifying and reacting the formed plate at 95 ℃, demoulding and cooling after the reaction is finished, and thus obtaining the quartz plate.
Comparative example 3
The raw materials and the proportion thereof are the same as those in the example 2, all the raw materials are weighed according to weight percentage, evenly mixed and poured into a mould, then pressed and formed under vacuum condition, the vacuum degree is minus 0.08MPa, the formed plate is solidified and reacted at 95 ℃, and after the reaction, the quartz plate is obtained after demoulding and cooling.
The quartz stone slabs obtained in examples 1 to 3 and comparative examples 1 to 3 were cut into slabs having a length of 300mm, a width of 150mm and a height of 20mm, and various performance tests were conducted.
Quartz stone plate performance test result
Examples flexural Strength (MPa) compressive Strength (MPa) Mohs hardness Water absorption (%) example 1 57.7 231.8 6.8 0.04 example 2 64.2 243.3 7.3 0.02 example 3 54.5 235.7 7.2 0.08 comparative example 1 33.6 146.5 2.3 0.042 comparative example 2 37.8 172.8 3.5 0.085 comparative example 3 41.1 187.4 3.1 0.071
It can be seen that the quartz stone plate obtained by adopting the raw materials and the method of the invention has higher bending strength and compressive strength than the quartz stone plate obtained by the comparative example and lower water absorption than the quartz stone plate obtained by the comparative example. Compared with comparative examples 1 and 2, the invention only mixes aluminum chloride, sorbitol and other raw materials, and the combination effect Cai Ning of the two ensures that the obtained high-strength quartz stone plate has high strength and hardness and low water absorption, improves the comprehensive performance index of the plate and prolongs the service life. Compared with comparative example 3, the invention is illustrated that firstly, the silane coupling agent is added into the polyurethane resin at 50-60 ℃, the temperature is raised to 70-80 ℃ after uniform mixing, then the sorbitol is added, the addition temperature and the addition sequence of the sorbitol and the silane coupling agent are controlled, the polyurethane resin is subjected to earlier treatment, and then the polyurethane resin is mixed with the rest raw materials, so that the problem of uneven mixing of the quartz material, the polyurethane resin and bentonite can be solved, the agglomeration of quartz stone plates is avoided, the gaps inside the plates are smaller, the structure is compact, the strength of the quartz stone plates is high, the density is uniform, and the service life is greatly prolonged.
Claims (10)
1. The implementation method of the composite quartz stone plate with high chemical resistance is characterized by comprising the following components in percentage by mass: 25-30% of quartz powder, 35-40% of quartz sand, 1-2% of silane coupling agent, 1-2% of curing agent, 2-5% of sorbitol, 1-3% of aluminum chloride, 10-18% of bentonite and 5-15% of polyurethane resin.
2. The high-strength quartz stone plate according to claim 1, comprising the following components in percentage by mass: 28% of quartz powder, 37% of quartz sand, 2% of silane coupling agent, 1.6% of curing agent, 3.4% of sorbitol, 2% of aluminum chloride, 13% of bentonite and 13% of unsaturated resin.
3. The high strength quartz stone slab according to claim 1, wherein the particle size of the quartz powder is 100-300 mesh.
4. The high strength quartz stone slab according to claim 1, wherein the quartz sand has a particle size of 10-80 mesh.
5. The high strength quartz stone slab according to any of claims 1-4, wherein the silane coupling agent is methacryloxypropyl trimethoxysilane.
6. The high strength quartz stone slab according to any of claims 1-4, wherein the curing agent is methyl ethyl ketone peroxide or cyclohexanone peroxide.
7. The high strength quartz stone slab according to any of claims 1-4, wherein the curing agent is methyl ethyl ketone peroxide.
8. The method for preparing the high-strength quartz stone plate according to claim 1, comprising the following steps:
1) Adding a silane coupling agent into polyurethane resin at 50-60 ℃, uniformly mixing, heating to 70-80 ℃, adding sorbitol, and uniformly stirring to obtain a mixture;
2) Sequentially adding quartz sand, quartz powder, aluminum chloride, bentonite and a curing agent into the mixture under 50-80r/min stirring, increasing the stirring speed to 300-400r/min after the addition, continuously stirring for 10-30min, and uniformly mixing to obtain a mixture; and (3) pouring the mixture into a mould, then pressing and forming under the vacuum condition, solidifying and reacting the formed plate at 90-95 ℃, demoulding after the reaction is finished, and cooling to obtain the quartz plate.
9. The method for preparing a high-strength quartz stone slab according to claim 8, wherein the vacuum degree in the vacuum condition in the step 2) is-0.1 to-0.08 MPa.
10. The method for preparing a high strength quartz stone slab according to claim 8, wherein the stirring time for adding sorbitol in step 1) is 30-60min.
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| CN202310301436.3A CN116947372A (en) | 2023-03-27 | 2023-03-27 | Implementation method of composite quartz stone plate with high chemical resistance |
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| CN202310301436.3A CN116947372A (en) | 2023-03-27 | 2023-03-27 | Implementation method of composite quartz stone plate with high chemical resistance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117819876A (en) * | 2024-01-04 | 2024-04-05 | 深圳市精科实业有限公司 | Microporous quartz formula and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117819876A (en) * | 2024-01-04 | 2024-04-05 | 深圳市精科实业有限公司 | Microporous quartz formula and preparation method thereof |
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