CN115180879A - Method for manufacturing stain-resistant artificial quartz stone - Google Patents
Method for manufacturing stain-resistant artificial quartz stone Download PDFInfo
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- CN115180879A CN115180879A CN202210935293.7A CN202210935293A CN115180879A CN 115180879 A CN115180879 A CN 115180879A CN 202210935293 A CN202210935293 A CN 202210935293A CN 115180879 A CN115180879 A CN 115180879A
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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
- C04B26/30—Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Other silicon-containing organic compounds; Boron-organic compounds
- C04B26/32—Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Other silicon-containing organic compounds; Boron-organic compounds containing silicon
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- 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
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/24—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
- B29C67/242—Moulding mineral aggregates bonded with resin, e.g. resin concrete
- B29C67/243—Moulding mineral aggregates bonded with resin, e.g. resin concrete for making articles of definite length
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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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
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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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/52—Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
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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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/60—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only artificial stone
- C04B41/61—Coating or impregnation
- C04B41/70—Coating or impregnation for obtaining at least two superposed coatings having different compositions
- C04B41/71—Coating or impregnation for obtaining at least two superposed coatings having different compositions at least one coating being an organic material
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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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Macromonomer-Based Addition Polymer (AREA)
Abstract
The invention relates to the technical field of quartz stones, and discloses a manufacturing method of a stain-resistant artificial quartz stone, which comprises the following working steps: the first step is as follows: modifying the surface of raw material quartz stone silt; the second step is that: mixing and pressing; the third step: gluing and curing; the fourth step: surface passivation and a fifth step: and (6) polishing and grinding. According to the manufacturing method of the pollution-resistant artificial quartz stone, the surface of the quartz stone powder sand is modified, so that the fluidity of the quartz powder sand in the mixing and pressing process is improved, the finally manufactured artificial quartz stone has high hardness, the quartz powder sand in the artificial quartz stone can be tightly arranged, the strength of the artificial quartz stone is improved after the artificial quartz stone is subjected to cross curing, and meanwhile, a transparent film is formed on the surface of the artificial quartz stone through photo-thermal curing after the cross curing, so that the pollution resistance of the artificial quartz stone is improved, and the artificial quartz stone is convenient to clean.
Description
Technical Field
The invention relates to the technical field of quartz stones, in particular to a manufacturing method of a pollution-resistant artificial quartz stone.
Background
The artificial quartz stone (or diamond/diamond) is originated in Spain, is called as a Series stone when entering China in 2005, and after the artificial quartz stone is approved by more and more consumers, china starts to develop the artificial quartz stone in 2006, and many manufacturers successively put the domestic artificial quartz stone out in 2007. The artificial quartz stone is used as a novel artificial building material and has the advantages incomparable with natural stone materials in the aspects of moisture resistance, acid resistance, splicing property and the like. In the day that natural stone resources are gradually exhausted, the artificial quartz stone is the best substitute. Meanwhile, the artificial quartz stone can adopt waste glass as a raw material, so that the resource recycling is realized while the environment is protected, and the advantages enable the artificial quartz stone to become a new and expensive material in the architectural decoration industry and to be widely applied to the ground and wall decoration and home decoration industries of cabinets, bathrooms, offices and large markets.
The artificial quartz stone in the prior art mainly adopts unsaturated resin or unsaturated resin added with acrylate monomer as a bonding material, and the content of the resin is usually about 10% or higher, so that scratches are easily generated in the using process, the surface smoothness and the pollution resistance of the artificial quartz stone are reduced, and the artificial quartz stone in the prior art also has defects in glossiness, so that high-brightness gloss cannot be achieved.
Therefore, a manufacturing method of the pollution-resistant artificial quartz stone is provided.
Disclosure of Invention
The invention mainly solves the technical problems in the prior art and provides a method for manufacturing pollution-resistant artificial quartz stone.
In order to achieve the purpose, the invention adopts the following technical scheme that the manufacturing method of the pollution-resistant artificial quartz stone comprises the following steps: surface modification of quartz stone silt as a raw material: adding a dispersion medium into the quartz stone silt raw material, and mechanically activating and modifying the surface of the quartz stone silt by stirring and ball milling; wherein the raw material of the quartz stone silt consists of 19 to 24 percent of 10 to 19 meshes of quartz sand, 36 to 43 percent of 45 to 65 meshes of quartz sand, 36 to 43 percent of 80 to 90 meshes of quartz sand and 400 meshes of quartz powder accounting for 42 to 48 percent of the total mass of the quartz sand calculated by mass fraction;
the second step: mixing and pressing: uniformly mixing the quartz stone silt, m-benzene unsaturated polyester, vinyl ester resin, acetoxysilane, alicyclic epoxy resin and a composite curing agent, and then pressing and molding by using a press to obtain an artificial quartz stone plate;
the third step: sizing and curing: mixing the surface of the artificial quartz stone with aqueous nano silicon dioxide gel, organic silicon modified aqueous epoxy resin and an auxiliary agent in proportion, then rolling the mixture on the surface of the artificial quartz stone, penetrating and filling micron-sized pores on the surface of the artificial quartz stone, and forming a layer of transparent film on the surface of the artificial quartz stone through illumination and thermal curing;
the fourth step: surface passivation: coating a passivating agent on the surface of the glued and cured artificial quartz stone in a rolling way, and then heating and curing;
the fifth step: and (6) polishing and grinding.
Preferably, the mass ratio of the raw material to the dispersion medium in the first step is 100:0.2 to 0.5, and the dispersion medium is gamma-chloropropyl triethoxysilane.
Preferably, the second step further comprises: quartz stone silt is mixed with m-benzene unsaturated polyester resin, vinyl ester resin, acetoxysilane, alicyclic epoxy resin and curing agent according to the following mass percent, 60.5-80% of quartz stone silt, 6.5-9.5% of m-benzene unsaturated polyester resin, 5.5-7.8% of vinyl ester resin, 4.5-8.8% of acetoxysilane, 4.8-8.4% of alicyclic epoxy resin and 0.7-1% of composite curing agent, wherein the sum of the contents of the components is equal to 100%.
Preferably, the composite curing agent is tert-butyl peroxy-2-ethylhexanoate and cobalt naphthenate.
Preferably, in the fourth step: the passivating agent consists of 26.0 to 29.0 weight percent of metal ion-removed colloidal silica, 0.15 to 0.45 weight percent of fluozirconic acid, 3.5 to 4.5 weight percent of polyvinyl alcohol and the balance of water.
Preferably, the mixed pressing in the second step: the press forming is completed by pressurizing for 125-145 seconds under the action of 120 tons of exciting force.
Preferably, the mixed pressing adopts a vacuum pressing forming process, the vacuum degree is controlled to be below-0.075 MPa, and the vibration frequency is 35-55 Hz.
Preferably, the third step further comprises: the particle size of the water-based nano silicon dioxide gel is 12-18nm, and the pH value is 8-9.
Preferably, the third step further comprises: the particle size of the organosilicon modified waterborne epoxy resin is 42-48nm, and the pH value is 6-9.
Advantageous effects
The invention provides a method for manufacturing stain-resistant artificial quartz stone. The method has the following beneficial effects:
(1) According to the method for manufacturing the stain-resistant artificial quartz stone, the surface of the raw material quartz stone powder sand is modified, so that the fluidity of the quartz powder sand in the mixing and pressing process is improved, the finally manufactured artificial quartz stone has high hardness, the quartz powder sand in the artificial quartz stone can be arranged closely, the strength of the artificial quartz stone is improved after the artificial quartz stone is subjected to cross curing, and meanwhile, a transparent film is formed on the surface of the artificial quartz stone through photo-thermal curing after the cross curing, so that the stain resistance of the artificial quartz stone is improved, and the artificial quartz stone is convenient to clean and clean.
(2) The invention further improves the stain resistance of the artificial quartz stone and can also improve the brightness and the glossiness of the artificial quartz stone by surface passivation treatment after upward solidification.
(3) According to the manufacturing method of the stain-resistant artificial quartz stone, the surface holes of the artificial quartz stone are filled with the silicon dioxide gel to form chemical adsorption, so that the glossiness of the surface of the artificial quartz stone is increased, after a layer of transparent film is formed on the surface of the artificial quartz stone through light and heat curing, the hydrophobic property of the artificial quartz stone can be improved, and a user can remove stains through wiping, so that the practicability of the artificial quartz stone is improved.
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 should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a flow chart of the manufacturing method of the polluted artificial quartz stone of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows: a manufacturing method of pollution-resistant artificial quartz stone is shown in figure 1, and comprises the following working steps:
the first step is as follows: surface modification of raw material quartz stone silt: adding a dispersion medium into the quartz stone silt raw material, and activating and modifying the surface of the quartz stone silt by adopting a stirring ball mill machine; wherein the raw material of the quartz stone silt consists of 24 percent of quartz sand with 10-19 meshes, 43 percent of quartz sand with 45-65 meshes, 43 percent of quartz sand with 90 meshes and 400 meshes of quartz powder accounting for 48 percent of the total mass of the quartz sand calculated by mass fraction;
the second step is that: mixing and pressing: uniformly mixing the quartz stone silt, m-benzene unsaturated polyester, vinyl ester resin, acetoxysilane, alicyclic epoxy resin and a composite curing agent, and then pressing and molding by using a press to obtain an artificial quartz stone plate;
the third step: gluing and curing: mixing the aqueous nano-silica gel, the organic silicon modified aqueous epoxy resin and the auxiliary agent in proportion on the surface of the artificial quartz stone, then rolling the mixture on the surface of the artificial quartz stone, penetrating and filling micron-sized pores on the surface of the artificial quartz stone, and thermally curing the mixture by illumination to form a transparent film on the surface of the artificial quartz stone;
the fourth step: surface passivation: coating a passivating agent on the surface of the glued and cured artificial quartz stone in a rolling way, and then heating and curing;
the fifth step: and (6) polishing and grinding.
In the first step, the mass ratio of the raw materials to the dispersion medium is 100:0.2 to 0.5, and the dispersion medium is gamma-chloropropyl triethoxysilane.
The second step further comprises: the quartz stone silt is mixed with m-benzene unsaturated polyester resin, vinyl ester resin, acetoxy silane, alicyclic epoxy resin and curing agent according to the following mass percent, wherein the quartz stone silt is 78 percent, the m-benzene unsaturated polyester resin is 6.5 percent, the vinyl ester resin is 5.5 percent, the acetoxy silane is 4.5 percent, the alicyclic epoxy resin is 4.8 percent and the composite curing agent is 0.7 percent, and the sum of the percentage of the above components is equal to 100 percent. The compound curing agent is tert-butyl peroxy-2-ethyl hexanoate and cobalt naphthenate.
In the fourth step: the passivating agent consists of 26.0 weight percent of metal ion-removed colloidal silica, 0.15 weight percent of fluozirconic acid, 3.5 weight percent of polyvinyl alcohol and the balance of water.
And mixing and pressing in the second step: the press forming is completed by pressurizing for 125-145 seconds under the action of 120 tons of exciting force.
The mixed pressing adopts a vacuum pressing forming process, the vacuum degree is controlled to be below-0.075 MPa, and the vibration frequency is 35-55 Hz.
The third step also includes: the particle size of the water-based nano silicon dioxide gel is 18nm, the pH value is 8-9, the particle size of the organic silicon modified water-based epoxy resin is 48nm, and the pH value is 6-9.
Example two: a manufacturing method of pollution-resistant artificial quartz stone is shown in figure 1, and comprises the following working steps:
the first step is as follows: surface modification of raw material quartz stone silt: adding a dispersion medium into the quartz stone silt raw material, and activating and modifying the surface of the quartz stone silt by adopting a stirring ball mill machine; wherein the raw material of the quartz stone silt consists of 19 percent of quartz sand with 10 to 19 meshes, 36 percent of quartz sand with 45 to 65 meshes, 36 percent of quartz sand with 80 to 90 meshes and 400 meshes of quartz powder accounting for 42 percent of the total mass of the quartz sand calculated by mass fraction;
the second step is that: mixing and pressing: uniformly mixing the quartz stone silt, m-benzene unsaturated polyester, vinyl ester resin, acetoxysilane, alicyclic epoxy resin and a composite curing agent, and then pressing and molding by using a press to obtain an artificial quartz stone plate;
the third step: sizing and curing: mixing the surface of the artificial quartz stone with aqueous nano silicon dioxide gel, organic silicon modified aqueous epoxy resin and an auxiliary agent in proportion, then rolling the mixture on the surface of the artificial quartz stone, penetrating and filling micron-sized pores on the surface of the artificial quartz stone, and forming a layer of transparent film on the surface of the artificial quartz stone through illumination and thermal curing;
the fourth step: surface passivation: coating a passivating agent on the surface of the glued and cured artificial quartz stone in a rolling way, and then heating and curing;
the fifth step: and (6) polishing and grinding.
In the first step, the mass ratio of the raw materials to the dispersion medium is 100:0.2 to 0.5, and the dispersion medium is gamma-chloropropyl triethoxysilane.
The second step further comprises: the quartz stone silt is mixed with m-benzene unsaturated polyester resin, vinyl ester resin, acetoxy silane, alicyclic epoxy resin and curing agent according to the following mass percent, the quartz stone silt is 64.5 percent, the m-benzene unsaturated polyester resin is 9.5 percent, the vinyl ester resin is 7.8 percent, the acetoxy silane is 8.8 percent, the alicyclic epoxy resin is 8.4 percent and the composite curing agent is 1 percent, and the sum of the percentage of the above components is equal to 100 percent. The compound curing agent is tert-butyl peroxy-2-ethyl hexanoate and cobalt naphthenate.
In the fourth step: the passivating agent consists of 29.0wt% of demetallized ionic colloidal silica, 00.45wt% of fluozirconic acid, 4.5wt% of polyvinyl alcohol and the balance of water.
Mixing and pressing in the second step: the press forming is completed by pressurizing for 125-145 seconds under the action of 120 tons of exciting force.
The mixed pressing adopts a vacuum pressing forming process, the vacuum degree is controlled to be below-0.075 MPa, and the vibration frequency is 35-55 Hz.
The third step also includes: the particle size of the water-based nano silicon dioxide gel is 12nm, the pH value is 8-9, the particle size of the organic silicon modified water-based epoxy resin is 45nm, and the pH value is 6-9.
Example three: a manufacturing method of pollution-resistant artificial quartz stone is shown in figure 1, and comprises the following working steps:
the first step is as follows: surface modification of raw material quartz stone silt: adding a dispersion medium into the quartz stone silt raw material, and activating and modifying the surface of the quartz stone silt by adopting a stirring ball mill machine; wherein the raw material of the quartz stone silt consists of 20 percent of quartz sand with 10 to 19 meshes, 38 percent of quartz sand with 45 to 65 meshes, 39 percent of quartz sand with 80 to 90 meshes and 400-mesh quartz powder accounting for 46 percent of the total mass of the quartz sand calculated by mass fraction;
the second step is that: mixing and pressing: uniformly mixing the quartz stone silt, m-benzene unsaturated polyester, vinyl ester resin, acetoxysilane, alicyclic epoxy resin and a composite curing agent, and then pressing and molding by using a press to obtain an artificial quartz stone plate;
the third step: gluing and curing: mixing the surface of the artificial quartz stone with aqueous nano silicon dioxide gel, organic silicon modified aqueous epoxy resin and an auxiliary agent in proportion, then rolling the mixture on the surface of the artificial quartz stone, penetrating and filling micron-sized pores on the surface of the artificial quartz stone, and forming a layer of transparent film on the surface of the artificial quartz stone through illumination and thermal curing;
the fourth step: surface passivation: coating a passivating agent on the surface of the glued and cured artificial quartz stone in a rolling way, and then heating and curing;
the fifth step: and (6) polishing and grinding.
In the first step, the mass ratio of the raw materials to the dispersion medium is 100:0.2 to 0.5, and the dispersion medium is gamma-chloropropyl triethoxysilane.
The second step further comprises: the quartz stone silt is mixed with m-benzene unsaturated polyester resin, vinyl ester resin, acetoxy silane, alicyclic epoxy resin and curing agent according to the following mass percent, wherein the quartz stone silt is 68.1 percent, the m-benzene unsaturated polyester resin is 8.5 percent, the vinyl ester resin is 7.5 percent, the acetoxy silane is 7.6 percent, the alicyclic epoxy resin is 7.5 percent and the composite curing agent is 0.8 percent, and the sum of the percentages of the components is equal to 100 percent. The compound curing agent is tert-butyl peroxy-2-ethyl hexanoate and cobalt naphthenate.
In the fourth step: the passivating agent consists of 27.0wt% of metal ion-removed colloidal silica, 0.35wt% of fluozirconic acid, 3.8t% of polyvinyl alcohol and the balance of water.
And mixing and pressing in the second step: the press forming is completed by pressurizing for 125-145 seconds under the action of 120 tons of exciting force.
The mixed pressing adopts a vacuum pressing forming process, the vacuum degree is controlled to be below-0.075 MPa, and the vibration frequency is 35-55 Hz.
The third step also includes: the particle size of the water-based nano silicon dioxide gel is 1691m, the pH value is 8-9, the particle size of the organic silicon modified water-based epoxy resin is 43nm, and the pH value is 6-9.
Example four: a manufacturing method of pollution-resistant artificial quartz stone is shown in figure 1, and comprises the following working steps:
the first step is as follows: surface modification of raw material quartz stone silt: adding a dispersion medium into the quartz stone silt raw material, and activating and modifying the surface of the quartz stone silt by adopting a stirring ball mill machine; wherein the raw material of the quartz stone silt consists of 21 percent of quartz sand with 10-19 meshes, 37 percent of quartz sand with 45-65 meshes, 41 percent of quartz sand with 80-90 meshes and 400-mesh quartz powder accounting for 45 percent of the total mass of the quartz sand calculated by mass fraction;
the second step is that: mixing and pressing: uniformly mixing the quartz stone silt, m-benzene unsaturated polyester, vinyl ester resin, acetoxysilane, alicyclic epoxy resin and a composite curing agent, and then pressing and molding by using a press to obtain an artificial quartz stone plate;
the third step: gluing and curing: mixing the surface of the artificial quartz stone with aqueous nano silicon dioxide gel, organic silicon modified aqueous epoxy resin and an auxiliary agent in proportion, then rolling the mixture on the surface of the artificial quartz stone, penetrating and filling micron-sized pores on the surface of the artificial quartz stone, and forming a layer of transparent film on the surface of the artificial quartz stone through illumination and thermal curing;
the fourth step: surface passivation: coating a passivating agent on the surface of the glued and cured artificial quartz stone in a rolling way, and then heating and curing;
the fifth step: and (6) polishing and grinding.
In the first step, the mass ratio of the raw materials to the dispersion medium is 100:0.2 to 0.5, and the dispersion medium is gamma-chloropropyl triethoxysilane.
The second step further comprises: the quartz stone silt is mixed with m-benzene unsaturated polyester resin, vinyl ester resin, acetoxy silane, alicyclic epoxy resin and curing agent according to the following mass percent, wherein the quartz stone silt is 73.7 percent, the m-benzene unsaturated polyester resin is 7.3 percent, the vinyl ester resin is 6.5 percent, the acetoxy silane is 6.4 percent, the alicyclic epoxy resin is 5.3 percent and the composite curing agent is 0.8 percent, and the sum of the percentages of the components is equal to 100 percent. The compound curing agent is tert-butyl peroxy-2-ethyl hexanoate and cobalt naphthenate.
In the fourth step: the passivating agent consists of 28.0 weight percent of metal ion-removed colloidal silica, 0.25 weight percent of fluozirconic acid, 3.9 weight percent of polyvinyl alcohol and the balance of water.
And mixing and pressing in the second step: the press forming is completed by pressurizing for 125-145 seconds under the action of 120 tons of exciting force.
The mixed pressing adopts a vacuum pressing forming process, the vacuum degree is controlled to be below-0.075 MPa, and the vibration frequency is 35-55 Hz.
The third step also includes: the particle size of the water-based nano silicon dioxide gel is 17nm, the pH value is 8-9, the particle size of the organic silicon modified water-based epoxy resin is 47nm, and the pH value is 6-9.
Example five: a manufacturing method of pollution-resistant artificial quartz stone is shown in figure 1, and comprises the following working steps:
the first step is as follows: surface modification of raw material quartz stone silt: adding a dispersion medium into the quartz stone silt raw material, and mechanically activating and modifying the surface of the quartz stone silt by stirring and ball milling; wherein the raw material of the quartz stone silt consists of 2 percent of quartz sand with 10 to 19 meshes, 42 percent of quartz sand with 45 to 65 meshes, 41 percent of quartz sand with 80 to 90 meshes and 400 meshes of quartz powder accounting for 43 percent of the total mass of the quartz sand in percentage by mass;
the second step is that: mixing and pressing: uniformly mixing the quartz stone silt, m-benzene unsaturated polyester, vinyl ester resin, acetoxysilane, alicyclic epoxy resin and a composite curing agent, and then pressing and molding by using a press to obtain an artificial quartz stone plate;
the third step: gluing and curing: mixing the surface of the artificial quartz stone with aqueous nano silicon dioxide gel, organic silicon modified aqueous epoxy resin and an auxiliary agent in proportion, then rolling the mixture on the surface of the artificial quartz stone, penetrating and filling micron-sized pores on the surface of the artificial quartz stone, and forming a layer of transparent film on the surface of the artificial quartz stone through illumination and thermal curing;
the fourth step: surface passivation: coating a passivating agent on the surface of the glued and cured artificial quartz stone in a rolling way, and then heating and curing;
the fifth step: and (6) polishing and grinding.
In the first step, the mass ratio of the raw materials to the dispersion medium is 100:0.2 to 0.5, and the dispersion medium is gamma-chloropropyl triethoxysilane.
The second step also comprises: the quartz stone silt is mixed with m-benzene unsaturated polyester resin, vinyl ester resin, acetoxy silane, alicyclic epoxy resin and curing agent according to the following mass percent, wherein the quartz stone silt is 67.4 percent, the m-benzene unsaturated polyester resin is 8.3 percent, the vinyl ester resin is 7.5 percent, the acetoxy silane is 7.8 percent, the alicyclic epoxy resin is 8.1 percent and the composite curing agent is 0.9 percent, and the sum of the percentages of the components is equal to 100 percent. The compound curing agent is tert-butyl peroxy-2-ethyl hexanoate and cobalt naphthenate.
In the fourth step: the passivating agent consists of 27.0 weight percent of metal ion-removed colloidal silica, 0.35 weight percent of fluozirconic acid, 4.4 weight percent of polyvinyl alcohol and the balance of water.
And mixing and pressing in the second step: the press forming is completed by pressurizing for 125-145 seconds under the action of 120 tons of exciting force.
The mixed pressing adopts a vacuum pressing forming process, the vacuum degree is controlled to be below-0.075 MPa, and the vibration frequency is 35-55 Hz.
The third step also includes: the particle size of the water-based nano silicon dioxide gel is 17nm, the pH value is 8-9, the particle size of the organic silicon modified water-based epoxy resin is 44nm, and the pH value is 6-9.
According to the invention, the surface of the quartz powder sand which is used as the raw material is modified, so that the fluidity of the quartz powder sand in the mixing and pressing process is improved, the finally prepared artificial quartz stone has stronger hardness, the quartz powder sand in the artificial quartz stone can be tightly arranged, the strength of the artificial quartz stone is improved after the artificial quartz stone is subjected to cross curing, and meanwhile, a transparent film is formed on the surface of the artificial quartz stone through the thermal curing of light after the cross curing, so that the pollution resistance of the artificial quartz stone can be improved, and the artificial quartz stone is convenient to clean and clean.
The artificial quartz stone is subjected to surface passivation treatment after up-conversion curing, so that the pollution resistance of the artificial quartz stone is further improved, and the brightness and the glossiness of the artificial quartz stone can be improved.
The surface holes of the artificial quartz stone are filled with the silicon dioxide gel to form chemical adsorption, so that the glossiness of the surface of the artificial quartz stone is increased, after a layer of transparent film is formed on the surface of the artificial quartz stone through light and heat curing, the hydrophobic property of the artificial quartz stone can be improved, and a user can remove dirt through wiping, so that the practicability of the artificial quartz stone is improved.
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A manufacturing method of pollution-resistant artificial quartz stone is characterized in that: the method comprises the following working steps:
the first step is as follows: surface modification of raw material quartz stone silt: adding a dispersion medium into the quartz stone silt raw material, and mechanically activating and modifying the surface of the quartz stone silt by stirring and ball milling; wherein the raw material of the quartz stone silt consists of 19 to 24 percent of 10 to 19 meshes of quartz sand, 36 to 43 percent of 45 to 65 meshes of quartz sand, 36 to 43 percent of 80 to 90 meshes of quartz sand and 400 meshes of quartz powder accounting for 42 to 48 percent of the total mass of the quartz sand calculated by mass fraction;
the second step is that: mixing and pressing: uniformly mixing the quartz stone silt, m-benzene unsaturated polyester, vinyl ester resin, acetoxysilane, alicyclic epoxy resin and a composite curing agent, and then pressing and molding by using a press to obtain an artificial quartz stone plate;
the third step: gluing and curing: mixing the surface of the artificial quartz stone with aqueous nano silicon dioxide gel, organic silicon modified aqueous epoxy resin and an auxiliary agent in proportion, then rolling the mixture on the surface of the artificial quartz stone, penetrating and filling micron-sized pores on the surface of the artificial quartz stone, and forming a layer of transparent film on the surface of the artificial quartz stone through illumination and thermal curing;
the fourth step: surface passivation: coating a passivating agent on the surface of the glued and cured artificial quartz stone in a rolling way, and then heating and curing;
the fifth step: and (7) polishing and grinding.
2. The method for manufacturing a contamination-resistant artificial quartz stone according to claim 1, wherein: the mass ratio of the raw materials to the dispersion medium in the first step is 100:0.2 to 0.5, and the dispersion medium is gamma-chloropropyl triethoxysilane.
3. The method for manufacturing a contamination-resistant artificial quartz stone according to claim 1, wherein: the second step further comprises: quartz stone silt is mixed with m-benzene unsaturated polyester resin, vinyl ester resin, acetoxysilane, alicyclic epoxy resin and curing agent according to the following mass percent, 60.5-80% of quartz stone silt, 6.5-9.5% of m-benzene unsaturated polyester resin, 5.5-7.8% of vinyl ester resin, 4.5-8.8% of acetoxysilane, 4.8-8.4% of alicyclic epoxy resin and 0.7-1% of composite curing agent, wherein the sum of the contents of the components is equal to 100%.
4. The method for manufacturing the contamination resistant artificial quartz stone according to claim 3, wherein: the compound curing agent is tert-butyl peroxy-2-ethyl hexanoate and cobalt naphthenate.
5. The method for manufacturing the contamination resistant artificial quartz stone as claimed in claim 1, wherein: in the fourth step: the passivating agent consists of 26.0 to 29.0 weight percent of metal ion-removed colloidal silica, 0.15 to 0.45 weight percent of fluozirconic acid, 3.5 to 4.5 weight percent of polyvinyl alcohol and the balance of water.
6. The method for manufacturing a contamination-resistant artificial quartz stone according to claim 1, wherein: the mixed pressing in the second step: the press forming is completed by pressurizing for 125-145 seconds under the action of 120 tons of exciting force.
7. The method for manufacturing a contamination-resistant artificial quartz stone according to claim 6, wherein: the mixed pressing adopts a vacuum pressing forming process, the vacuum degree is controlled to be below-0.075 MPa, and the vibration frequency is 35-55 Hz.
8. The method for manufacturing a contamination-resistant artificial quartz stone according to claim 1, wherein: the third step further comprises: the particle size of the water-based nano silicon dioxide gel is 12-18nm, and the pH value is 8-9.
9. The method for manufacturing a contamination-resistant artificial quartz stone according to claim 1, wherein: the third step further comprises: the particle size of the organosilicon modified water-based epoxy resin is 42-48nm, and the pH value is 6-9.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115536985A (en) * | 2022-10-27 | 2022-12-30 | 云浮晨宝新材料有限公司 | Preparation method and application of high-temperature-resistant and high-strength resin composition |
| CN117682872A (en) * | 2023-11-03 | 2024-03-12 | 康姆罗拉有限公司 | Preparation method of anti-corrosion heat-resistant quartz ceramic roller |
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2022
- 2022-08-05 CN CN202210935293.7A patent/CN115180879A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115536985A (en) * | 2022-10-27 | 2022-12-30 | 云浮晨宝新材料有限公司 | Preparation method and application of high-temperature-resistant and high-strength resin composition |
| CN115536985B (en) * | 2022-10-27 | 2024-04-19 | 云浮晨宝新材料有限公司 | Preparation method and application of high-temperature-resistant high-strength resin composition |
| CN117682872A (en) * | 2023-11-03 | 2024-03-12 | 康姆罗拉有限公司 | Preparation method of anti-corrosion heat-resistant quartz ceramic roller |
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