CN114349395A - Functional artificial stone and preparation method thereof - Google Patents
Functional artificial stone and preparation method thereof Download PDFInfo
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- CN114349395A CN114349395A CN202111674461.3A CN202111674461A CN114349395A CN 114349395 A CN114349395 A CN 114349395A CN 202111674461 A CN202111674461 A CN 202111674461A CN 114349395 A CN114349395 A CN 114349395A
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- 239000002969 artificial stone Substances 0.000 title claims abstract description 60
- 238000002360 preparation method Methods 0.000 title description 16
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 52
- 239000000843 powder Substances 0.000 claims abstract description 52
- 239000000463 material Substances 0.000 claims abstract description 45
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 43
- 239000002114 nanocomposite Substances 0.000 claims abstract description 33
- 239000003054 catalyst Substances 0.000 claims abstract description 26
- 229940070527 tourmaline Drugs 0.000 claims abstract description 24
- 229910052613 tourmaline Inorganic materials 0.000 claims abstract description 24
- 239000011032 tourmaline Substances 0.000 claims abstract description 24
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 22
- 239000002994 raw material Substances 0.000 claims abstract description 20
- 229920006337 unsaturated polyester resin Polymers 0.000 claims abstract description 8
- 239000002699 waste material Substances 0.000 claims abstract description 8
- 239000011575 calcium Substances 0.000 claims description 27
- 238000003756 stirring Methods 0.000 claims description 25
- 238000002156 mixing Methods 0.000 claims description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 17
- 229910021389 graphene Inorganic materials 0.000 claims description 17
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 16
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 11
- 239000013078 crystal Substances 0.000 claims description 11
- -1 rare earth stearate Chemical class 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 238000000227 grinding Methods 0.000 claims description 8
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 8
- 239000002002 slurry Substances 0.000 claims description 8
- WFUGQJXVXHBTEM-UHFFFAOYSA-N 2-hydroperoxy-2-(2-hydroperoxybutan-2-ylperoxy)butane Chemical group CCC(C)(OO)OOC(C)(CC)OO WFUGQJXVXHBTEM-UHFFFAOYSA-N 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 238000004873 anchoring Methods 0.000 claims description 7
- 238000003763 carbonization Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 7
- 230000007547 defect Effects 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 7
- 239000005543 nano-size silicon particle Substances 0.000 claims description 7
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 7
- 238000004513 sizing Methods 0.000 claims description 7
- 238000000967 suction filtration Methods 0.000 claims description 7
- 239000008399 tap water Substances 0.000 claims description 7
- 235000020679 tap water Nutrition 0.000 claims description 7
- 238000009210 therapy by ultrasound Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000000292 calcium oxide Substances 0.000 claims description 4
- 235000012255 calcium oxide Nutrition 0.000 claims description 4
- 239000004094 surface-active agent Substances 0.000 claims description 4
- 230000010355 oscillation Effects 0.000 claims description 3
- 125000000837 carbohydrate group Chemical group 0.000 claims description 2
- 230000035484 reaction time Effects 0.000 claims description 2
- 239000002893 slag Substances 0.000 claims description 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract description 27
- 150000002500 ions Chemical class 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 8
- 230000003993 interaction Effects 0.000 abstract description 4
- 230000001954 sterilising effect Effects 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 27
- 239000000047 product Substances 0.000 description 16
- 229910002092 carbon dioxide Inorganic materials 0.000 description 12
- 239000007789 gas Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 239000007787 solid Substances 0.000 description 6
- 239000012467 final product Substances 0.000 description 5
- 150000001720 carbohydrates Chemical class 0.000 description 4
- 239000011858 nanopowder Substances 0.000 description 4
- 150000001450 anions Chemical class 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000003607 modifier Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 125000005233 alkylalcohol group Chemical group 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229940051841 polyoxyethylene ether Drugs 0.000 description 1
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- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Catalysts (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention discloses a functional artificial stone which is prepared from the following raw materials in parts by weight: 5-15 parts of unsaturated polyester resin powder, 7-10 parts of curing agent, 5-25 parts of artificial stone waste residue, 40-60 parts of graphene-calcium carbonate nano composite powder, 20-30 parts of crushed ore, 1-2 parts of tourmaline material and 0.1-1 part of monatomic catalyst. The graphene-calcium carbonate nano composite powder is added, so that the artificial stone has higher hardness and strength; the tourmaline material is added, and micro-current basically matched with human bioelectricity flows on the surface of the artificial stone all the time, so that the bioelectricity of the human body can be balanced, and meanwhile, far infrared rays and negative ions can be released, formaldehyde is removed, and the sub-health state of the human body is improved; the addition of the monatomic catalyst can promote the interaction between the graphene-calcium carbonate nano composite powder and the base material, promote the tourmaline to generate negative ions, and have certain effects of sterilizing and removing formaldehyde.
Description
Technical Field
The invention belongs to the technical field of artificial stone preparation, and particularly relates to a functional artificial stone and a preparation method thereof.
Background
The artificial stone is made up of broken natural marble or stone powder as main raw material, mosaic, shell and glass as decorative material, organic resin as cementing agent, and through vacuum stirring, high-pressure vibration, solidifying at ordinary temp, sawing, grinding and polishing.
At present, the research and development directions of artificial stone products in the market are mainly on patterns, and the functions of the artificial stone products are single. With the increasing dominance of people on artificial stone products, the appearance of functional artificial stone products can not only improve the share of the market but also provide more choices for consumers.
Disclosure of Invention
The invention provides a functional artificial stone, which is added with graphene-calcium carbonate nano composite powder to ensure that the artificial stone has higher hardness and strength; the tourmaline material is added, and micro-current basically matched with human bioelectricity flows on the surface of the artificial stone all the time, so that the bioelectricity of the human body can be balanced, and meanwhile, far infrared rays and negative ions can be released, formaldehyde is removed, and the sub-health state of the human body is improved; the addition of the monatomic catalyst can promote the interaction between the graphene-calcium carbonate nano composite powder and the base material, promote the tourmaline to generate negative ions, and have certain effects of sterilizing and removing formaldehyde.
In order to achieve the purpose, the invention adopts the following technical scheme:
a functional artificial stone is prepared from the following raw materials in parts by weight: 5-15 parts of unsaturated polyester resin powder, 7-10 parts of curing agent, 5-25 parts of artificial stone waste residue, 40-60 parts of graphene-calcium carbonate nano composite powder, 20-30 parts of crushed ore, 1-2 parts of tourmaline material and 0.1-1 part of monatomic catalyst.
Further, the curing agent is methyl ethyl ketone peroxide.
Furthermore, the monatomic catalyst is obtained by anchoring monatomic copper in defect sites on the surface of the nano silicon oxide carrier.
Further, the preparation method of the graphene-calcium carbonate nano composite powder comprises the following steps:
s1: stirring and digesting quicklime and tap water at 60-90 ℃ for 40-50 min, filtering and removing slag to prepare Ca (OH)2Sizing agent;
s2: reacting Ca (OH)2Mixing the slurry with graphene to obtain a mixed material A, and adding a surfactant containing dimethyl sulfoxide; heating to 60-80 ℃, maintaining for 3-4 h, and cooling to 25 ℃;
s3: introducing CO2Controlling the reaction temperature of the mixed gas to be 20-25 ℃, and carrying out constant-temperature reaction under the ultrasonic condition, wherein the reaction is stopped for 1s every 2s of ultrasonic treatment; adding a crystal form control agent at 1/2-1/3 of the total carbonization reaction time, and stopping the reaction when the pH is detected to be 7;
s4: stripping and separating the product, adding rare earth stearate, and stirring and reacting at 85-95 ℃ for 30-50 min; and carrying out suction filtration, grinding and drying while the powder is hot to obtain the graphene-calcium carbonate nano composite powder.
Further, in step S1, the Ca (OH)2The solid content of the slurry is 75-85 g/L.
Further, in step S2, graphene and Ca (OH)2The mass ratio of (A) to (B) is 1-100: 100.
Further, in step S2, the addition amount of the surfactant containing dimethyl sulfoxide is 10-15% of the mass of the mixture.
Further, in step S3, the CO is2The mixed gas contains CO2Volume fraction of 25% >, up to30％。
Further, in step S3, the crystal form control agent is a saccharide crystal form control agent; the added amount is Ca (OH)20.8 to 1.2% by mass.
Further, in step S3, the ultrasonic power is 150-250 w.
Further, in step S4, the addition amount of the rare earth stearate is 0.8-1.2% of the mass of the product.
Further, in step S4, the stirring speed is 900 to 1100 r/min.
The preparation method of the functional artificial stone comprises the following steps:
a: stirring and mixing the raw materials according to the proportion to obtain a mixed material B;
b: pouring the mixed material B into a mold, vibrating for 1-2 min in vacuum, and naturally curing to obtain the material
Further, in the step A, the stirring speed is 40-300 r/min, and the stirring time is 15-20 min.
Further, in the step B, the vacuum degree of vacuum oscillation is 0.095-0.1 Mpa.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the functional artificial stone, the graphene-calcium carbonate nano composite powder is added, and the surface activity of the graphene is greatly different from that of the nano calcium carbonate due to different surface microstructures of the graphene and the nano calcium carbonate, the surface activity of the graphene is high, and the nano calcium carbonate is relatively low due to lack of sufficient surface hydroxyl; the latter is easy to disperse, has good processing performance and moderate reinforcing performance, and the interaction between the two materials and the matrix material and the interaction between the two materials are improved by compounding; meanwhile, the nano calcium carbonate has more advantages in price, so that the nano calcium carbonate is combined with the graphene, so that the artificial stone has higher hardness and strength; the tourmaline material is added, and micro-current basically matched with human bioelectricity flows on the surface of the artificial stone all the time, so that the bioelectricity of the human body can be balanced, pathological potentials can be recovered to be normal, and meanwhile, far infrared rays and negative ions can be released, so that the activity of cells can be enhanced, metabolism can be promoted, fatigue can be relieved, the sub-health state of the human body can be improved, and the immunity of the human body can be improved; the radiation effect of the tourmaline can also increase the surface energy of the graphene-calcium carbonate nano composite powder, so that the stone has better tensile and compressive properties; the monatomic catalyst is added, and under the vacuum oscillation condition, monatomic can enter the tourmaline unit cell to achieve the doping effect, so that the infrared radiation capability of the tourmaline material is improved to a certain degree; in addition, the negative ions and the monoatomic copper released by the tourmaline material also have the capability of catalyzing and decomposing formaldehyde, so that the formaldehyde is degraded into harmless carbon dioxide and water, and secondary pollution is avoided; the single atom can enter the graphene-calcium carbonate nano composite powder, so that the activity of the composite powder is improved, and the composite powder can be better combined with a base material.
2. The functional artificial stone can meet the increasing demands of people, provides more choices for consumers and is suitable for popularization and application.
Detailed Description
In order to facilitate a better understanding of the invention, the following examples are given to illustrate, but not to limit the scope of the invention.
Example 1
A functional artificial stone is prepared from the following raw materials in parts by weight: 5 parts of unsaturated polyester resin powder, 7 parts of methyl ethyl ketone peroxide, 10 parts of artificial stone waste residues, 40 parts of graphene-calcium carbonate nano composite powder, 30 parts of crushed ore, 1 part of tourmaline material and 0.1 part of single-atom catalyst.
The monatomic catalyst is obtained by anchoring monatomic copper in defect sites on the surface of the nano silicon oxide carrier.
The graphene-calcium carbonate nano composite powder and the preparation method thereof comprise the following steps:
s1: mixing calx and tap water at 60 deg.C for 40min, filtering to remove residue to obtain Ca (OH) with solid content of 75g/L2Sizing agent;
s2: according to graphene with Ca (OH)2In a mass ratio of 1:100 Ca (OH)2Mixing the slurry with grapheneMixing to obtain a mixed material; adding alcohol surface modification containing dimethyl sulfoxide with the mass of 10% of the mixed material; heating to 60 ℃, maintaining for 3h, and cooling to 25 ℃;
s3: introducing CO2CO 25% volume fraction2Mixing the gases, controlling the reaction temperature to be 20 ℃, and carrying out constant-temperature reaction under the ultrasonic condition with the power of 150w, wherein 2s of ultrasonic treatment is stopped for 1 s; adding Ca (OH) at 1/2 of total carbonization reaction time2The saccharide crystal form control agent with the mass of 0.8 percent stops the reaction when the pH value is detected to be 7;
s4: stripping and separating the product, adding rare earth stearate accounting for 0.8 percent of the mass of the product, and stirring and reacting for 30min at 85 ℃ at 900 r/min; and carrying out suction filtration, grinding and drying while the powder is hot to obtain the graphene-calcium carbonate nano composite powder.
A preparation method of functional artificial stone comprises the following steps:
a: mixing the raw materials according to the proportion, and stirring for 20min at 40r/min to obtain a mixed material;
b: pouring the mixture into a mold, shaking for 2min under the vacuum degree of 0.095MPa, and naturally curing to obtain the final product.
Example 2
A functional artificial stone is prepared from the following raw materials in parts by weight: 8 parts of unsaturated polyester resin powder, 8 parts of methyl ethyl ketone peroxide, 5 parts of artificial stone waste residues, 45 parts of graphene-calcium carbonate nano composite powder, 22 parts of crushed ore, 1.2 parts of tourmaline materials and 0.3 part of monatomic catalyst.
The monatomic catalyst is obtained by anchoring monatomic copper in defect sites on the surface of the nano silicon oxide carrier.
The graphene-calcium carbonate nano composite powder and the preparation method thereof comprise the following steps:
s1: stirring and digesting quicklime and tap water at 65 deg.C for 45min, filtering to remove residue to obtain Ca (OH) with solid content of 78g/L2Sizing agent;
s2: according to graphene with Ca (OH)2In a mass ratio of 10:100 Ca (OH)2Mixing the slurry with graphene to obtain a mixed material; additive mixture12% of the mass of the mixture of polyoxyethylene ether surface modifier containing dimethyl sulfoxide; heating to 65 ℃, maintaining for 4h, and cooling to 25 ℃;
s3: introducing CO228% by volume CO2Mixing the gases, controlling the reaction temperature to be 22 ℃, and carrying out constant-temperature reaction under the ultrasonic condition with the power of 180w, wherein 2s of ultrasonic treatment is stopped for 1 s; adding Ca (OH) at 1/3 of total carbonization reaction time2The saccharide crystal form control agent with the mass of 0.9 percent stops the reaction when the pH value is detected to be 7;
s4: stripping and separating the product, adding rare earth stearate with the mass of 0.9 percent of the product, and stirring and reacting for 35min at 88 ℃ and 950 r/min; and carrying out suction filtration, grinding and drying while the powder is hot to obtain the graphene-calcium carbonate nano composite powder.
A preparation method of functional artificial stone comprises the following steps:
a: mixing the raw materials according to the proportion, and stirring for 15min at 300r/min to obtain a mixed material;
b: pouring the mixture into a mold, shaking for 1min under the vacuum degree of 0.098MPa, and naturally curing to obtain the final product.
Example 3
A functional artificial stone is prepared from the following raw materials in parts by weight: 10 parts of unsaturated polyester resin powder, 9 parts of methyl ethyl ketone peroxide, 15 parts of artificial stone waste residues, 50 parts of graphene-calcium carbonate nano composite powder, 25 parts of crushed ore, 1.5 parts of tourmaline materials and 0.8 part of single-atom catalyst.
The monatomic catalyst is obtained by anchoring monatomic copper in defect sites on the surface of the nano silicon oxide carrier.
The graphene-calcium carbonate nano composite powder and the preparation method thereof comprise the following steps:
s1: stirring and digesting quicklime and tap water at 80 deg.C for 45min, filtering to remove residue to obtain Ca (OH) with solid content of 80g/L2Sizing agent;
s2: according to graphene with Ca (OH)2In a mass ratio of 50:100 Ca (OH)2Mixing the slurry with graphene to obtain a mixed material; adding 13 percent of the mixed materials by massThe dimethyl sulfoxide-containing fatty acid surface modifier of (1); heating to 70 ℃, maintaining for 4h, and cooling to 25 ℃;
s3: introducing CO230% by volume CO2Mixing the gases, controlling the reaction temperature at 23 ℃, and carrying out constant-temperature reaction under the ultrasonic condition with the power of 200w, wherein 2s of ultrasonic treatment is stopped for 1 s; adding Ca (OH) at 1/3 of total carbonization reaction time21% by mass of a saccharide crystal form control agent, and stopping the reaction when the pH is detected to be 7;
s4: stripping and separating the product, adding rare earth stearate accounting for 1 percent of the mass of the product, and stirring and reacting for 40min at the temperature of 90 ℃ and at the speed of 1000 r/min; and carrying out suction filtration, grinding and drying while the powder is hot to obtain the graphene-calcium carbonate nano composite powder.
A preparation method of functional artificial stone comprises the following steps:
a: mixing the raw materials according to the proportion, and stirring for 18min at 200r/min to obtain a mixed material;
b: pouring the mixture into a mold, shaking for 1min under a vacuum degree of 0.1MPa, and naturally curing to obtain the final product.
Example 4
A functional artificial stone is prepared from the following raw materials in parts by weight: 12 parts of unsaturated polyester resin powder, 10 parts of methyl ethyl ketone peroxide, 20 parts of artificial stone waste residues, 55 parts of graphene-calcium carbonate nano composite powder, 28 parts of crushed ore, 1.8 parts of tourmaline materials and 0.5 part of single-atom catalyst.
The monatomic catalyst is obtained by anchoring monatomic copper in defect sites on the surface of the nano silicon oxide carrier.
The graphene-calcium carbonate nano composite powder and the preparation method thereof comprise the following steps:
s1: mixing calx and tap water at 70 deg.C for 50min, filtering to remove residue to obtain Ca (OH) with solid content of 85g/L2Sizing agent;
s2: according to graphene with Ca (OH)2In a mass ratio of 100:100 Ca (OH)2Mixing the slurry with graphene to obtain a mixed material; adding dimethyl sulfoxide 15 wt% of the mixtureAn aminated surface; heating to 80 ℃, maintaining for 3h, and cooling to 25 ℃;
s3: introducing CO230% by volume CO2Mixing the gases, controlling the reaction temperature to be 25 ℃, and carrying out constant-temperature reaction under the ultrasonic condition with the power of 250w, wherein 2s of ultrasonic treatment is stopped for 1 s; adding Ca (OH) at 1/2 of total carbonization reaction time21.1% of sugar crystal form control agent by mass, and stopping reaction when the pH is detected to be 7;
s4: stripping and separating the product, adding rare earth stearate accounting for 1.2 percent of the mass of the product, and stirring and reacting for 45min at 95 ℃ at 1000 r/min; and carrying out suction filtration, grinding and drying while the powder is hot to obtain the graphene-calcium carbonate nano composite powder.
A preparation method of functional artificial stone comprises the following steps:
a: mixing the raw materials according to the proportion, and stirring for 17min at the speed of 100r/min to obtain a mixed material;
b: pouring the mixture into a mold, shaking for 1min under the vacuum degree of 0.096MPa, and naturally curing to obtain the final product.
Example 5
A functional artificial stone is prepared from the following raw materials in parts by weight: 15 parts of unsaturated polyester resin powder, 10 parts of methyl ethyl ketone peroxide, 25 parts of artificial stone waste residues, 60 parts of graphene-calcium carbonate nano composite powder, 20 parts of crushed ore, 2 parts of tourmaline materials and 1 part of monatomic catalyst.
The monatomic catalyst is obtained by anchoring monatomic copper in defect sites on the surface of the nano silicon oxide carrier.
The graphene-calcium carbonate nano composite powder and the preparation method thereof comprise the following steps:
s1: mixing calx and tap water at 90 deg.C for 40min, filtering to remove residue to obtain Ca (OH) with solid content of 85g/L2Sizing agent;
s2: according to graphene with Ca (OH)2In a mass ratio of 80:100 Ca (OH)2Mixing the slurry with graphene to obtain a mixed material; adding alkyl alcohol sulfonate surfactant containing dimethyl sulfoxide 15% of the mass of the mixed material; lifting of wineHeating to 75 deg.C, maintaining for 4 hr, and cooling to 25 deg.C;
s3: introducing CO229% by volume of CO2Mixing the gases, controlling the reaction temperature to be 24 ℃, and carrying out constant-temperature reaction under the ultrasonic condition with the power of 220w, wherein 2s of ultrasonic treatment is stopped for 1 s; adding Ca (OH) at 1/2 of total carbonization reaction time21.2% of saccharide crystal form control agent by mass, and stopping reaction when the pH is detected to be 7;
s4: stripping and separating the product, adding rare earth stearate accounting for 1.2 percent of the mass of the product, and stirring and reacting for 50min at the temperature of 95 ℃ and at the speed of 1100 r/min; and carrying out suction filtration, grinding and drying while the powder is hot to obtain the graphene-calcium carbonate nano composite powder.
A preparation method of functional artificial stone comprises the following steps:
a: mixing the raw materials according to the proportion, and stirring for 16min at the speed of 250r/min to obtain a mixed material;
b: pouring the mixture into a mold, shaking for 2min under the vacuum degree of 0.097MPa, and naturally curing to obtain the final product.
Comparative example 1
The method is basically the same as that in the embodiment 3, except that the tourmaline material and the single-atom catalyst are not added, the graphene-calcium carbonate nano composite powder is replaced by the common calcium carbonate nano powder, and the dosage and the proportion of other components are not changed.
Comparative example 2
Basically the same as example 3, except that no tourmaline material and single atom catalyst are added, and the amount ratio of other components is unchanged.
Comparative example 3
The raw materials are basically the same as those in example 3, except that the tourmaline material is not added, the graphene-calcium carbonate nano composite powder is replaced by the common calcium carbonate nano powder, and the dosage and the proportion of other components are not changed.
Comparative example 4
The raw materials are basically the same as those in example 3, except that a monatomic catalyst is not added, the graphene-calcium carbonate nano composite powder is replaced by ordinary calcium carbonate nano powder, and the amount and the proportion of other components are not changed.
Comparative example 5
Basically the same as the raw material in example 3, except that the graphene-calcium carbonate nano composite powder was replaced by ordinary calcium carbonate nano powder.
Comparative example 6
The catalyst is basically the same as the raw material of the example 3, except that the monatomic catalyst is not added, and the amount ratio of other components is not changed.
Anion release detection experiment
The artificial stones prepared in the embodiments 1-5 and the comparative examples 1-4 of the invention are sent to a national center for testing to detect the release condition of the negative ions, and the detection method is an indoor air ion concentration test method, and the principle is as follows: the method is characterized in that a parallel plate capacitor or a cylindrical capacitor is adopted as an ion collector, air is forced to circulate by a forced air exchange device, and the concentration of negative ions is calculated by recording the change rate of an electric signal on the capacitor along with time. The results are shown in Table 1.
TABLE 1 anion release conditions of the artificial stones prepared in examples 1-5 and comparative examples 1-4
| Case(s) | Number of negative ions/number |
| Example 1 | 4050 |
| Example 2 | 4060 |
| Example 3 | 4080 |
| Example 4 | 4070 |
| Example 5 | 4070 |
| Comparative example 1 | 0 |
| Comparative example 2 | 0 |
| Comparative example 3 | 0 |
| Comparative example 4 | 3330 |
| Comparative example 5 | 3750 |
| Comparative example 6 | 3590 |
As can be seen from Table 1:
(1) in comparative examples 1 to 3, no tourmaline material is added, so that the release of negative ions cannot be detected; the number of anions released by the artificial stone prepared in the embodiments 1-5 of the invention is more than 4050, which is higher than the comparative example 4 by more than 20%, wherein the release amount of the artificial stone prepared in the embodiment 3 is the highest; therefore, the tourmaline material is added into the artificial stone, and can release negative ions.
(2) In example 3 and comparative examples 5 to 6, the increase in the number of negative ions in example 3 was higher than the sum of the increases in the number of negative ions in comparative examples 5 to 6, compared with comparative example 4. Therefore, the release amount of negative ions can be synergistically improved by using the graphene and the monatomic catalyst in a mixing manner.
Artificial stone performance detection experiment
1. Respectively measuring the compressive strength and the bending strength of the artificial stone prepared in the embodiment 3 and the comparative examples 1-4 according to the standard JC/T2110-2012; the impact strength was determined according to GB/T1843-1996, and the results are shown in Table 2.
2. According to the sixth acceptance standard of GB50325-2012 environmental pollutant control Specification for civil construction engineering: the maximum allowable concentration of formaldehyde in the air is 0.10mg/m3The artificial stones prepared in the example 3 and the comparative examples 1 to 4 of the present invention were placed in the air with a formaldehyde concentration of 0.12mg/m3In the environment (2), the formaldehyde concentration after the standing time was 24 hours was measured. The results are shown in Table 2.
TABLE 2 comparison of the properties of the artificial stones prepared in example 3 and comparative examples 1 to 4
As can be seen from Table 2:
(1) the performance indexes of the artificial stone prepared in the embodiment 3 of the invention are all superior to those of the comparative examples 1-4; in addition, compared with the comparative example 1, in the example 3 and the comparative examples 2 to 4, the increase of the flexural strength, the compressive strength and the impact strength of the example 3 is higher than the sum of the increase of the flexural strength, the compressive strength and the impact strength of the comparative examples 2 to 4. The graphene-calcium carbonate composite powder, the tourmaline and the monatomic catalyst are mixed, so that various properties of the artificial stone can be synergistically improved, and the stone with higher quality can be obtained.
(2) From the data of comparative examples 3 and 4, it can be seen that the monatomic catalyst and tourmaline all have a comparable formaldehyde removal effect.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The functional artificial stone is characterized by being prepared from the following raw materials in parts by weight: 5-15 parts of unsaturated polyester resin powder, 7-10 parts of curing agent, 5-25 parts of artificial stone waste residue, 40-60 parts of graphene-calcium carbonate nano composite powder, 20-30 parts of crushed ore, 1-2 parts of tourmaline material and 0.1-1 part of monatomic catalyst.
2. The functional artificial stone of claim 1, wherein: the curing agent is methyl ethyl ketone peroxide.
3. The functional artificial stone of claim 1, wherein: the monatomic catalyst is obtained by anchoring monatomic copper in defect sites on the surface of the nano silicon oxide carrier.
4. The functional artificial stone according to claim 1, wherein the method for preparing the graphene-calcium carbonate nanocomposite powder comprises the following steps:
s1: stirring and digesting quicklime and tap water at 60-90 ℃ for 40-50 min, filtering and removing slag to prepare Ca (OH)2Sizing agent;
s2: reacting Ca (OH)2Mixing the slurry with graphene to obtain a mixed material A, and adding a surfactant containing dimethyl sulfoxide; heating to 60-80 ℃, maintaining for 3-4 h, and cooling to 25 ℃;
s3: introducing CO2Controlling the reaction temperature of the mixed gas to be 20-25 ℃, and carrying out constant-temperature reaction under the ultrasonic condition, wherein the reaction is stopped for 1s every 2s of ultrasonic treatment; adding a crystal form control agent at 1/2-1/3 of the total carbonization reaction time, and stopping the reaction when the pH is detected to be 7;
s4: stripping and separating the product, adding rare earth stearate, and stirring and reacting at 85-95 ℃ for 30-50 min; and carrying out suction filtration, grinding and drying while the powder is hot to obtain the graphene-calcium carbonate nano composite powder.
5. The functional artificial stone of claim 1, wherein: in step S3, the ultrasonic power is 150-250 w.
6. The functional artificial stone of claim 1, wherein: in step S3, the crystal form controller is a saccharide crystal form controller.
7. The functional artificial stone of claim 1, wherein: in step S4, the stirring speed is 900-1100 r/min.
8. A method for preparing the functional artificial stone according to any one of claims 1 to 7, comprising the steps of:
a: stirring and mixing the raw materials according to the proportion to obtain a mixed material B;
b: and pouring the mixed material B into a mold, vibrating in vacuum for 1-2 min, and naturally curing to obtain the material.
9. The method for preparing functional artificial stone according to claim 8, wherein: in the step A, the stirring speed is 40-300 r/min, and the stirring time is 15-20 min.
10. The method for preparing functional artificial stone according to claim 8, wherein: in the step B, the vacuum degree of vacuum oscillation is 0.095-0.1 Mpa.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002038023A (en) * | 2000-07-21 | 2002-02-06 | Wako Seisakusho:Kk | Synthetic resin material containing natural stone and its molding method |
| CN103992511A (en) * | 2014-05-30 | 2014-08-20 | 厦门凯纳石墨烯技术有限公司 | Graphene/calcium carbonate nano composite powder and preparation method and application thereof |
| CN104003652A (en) * | 2014-05-16 | 2014-08-27 | 中科院广州化学有限公司 | Phase-transition insulation artificial stone sheet material containing stone material waste residue, preparation method and application thereof |
| CN111348863A (en) * | 2020-01-16 | 2020-06-30 | 华中科技大学 | Graphene/stone composite board and preparation method thereof |
| CN113088170A (en) * | 2021-04-01 | 2021-07-09 | 联科华技术有限公司 | Efficient and durable monoatomic antibacterial and antiviral spray coating and preparation method thereof |
| CN113443855A (en) * | 2021-07-30 | 2021-09-28 | 广西利升石业有限公司 | Functional granite capable of releasing negative ions and preparation method thereof |
-
2021
- 2021-12-31 CN CN202111674461.3A patent/CN114349395A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002038023A (en) * | 2000-07-21 | 2002-02-06 | Wako Seisakusho:Kk | Synthetic resin material containing natural stone and its molding method |
| CN104003652A (en) * | 2014-05-16 | 2014-08-27 | 中科院广州化学有限公司 | Phase-transition insulation artificial stone sheet material containing stone material waste residue, preparation method and application thereof |
| CN103992511A (en) * | 2014-05-30 | 2014-08-20 | 厦门凯纳石墨烯技术有限公司 | Graphene/calcium carbonate nano composite powder and preparation method and application thereof |
| CN111348863A (en) * | 2020-01-16 | 2020-06-30 | 华中科技大学 | Graphene/stone composite board and preparation method thereof |
| CN113088170A (en) * | 2021-04-01 | 2021-07-09 | 联科华技术有限公司 | Efficient and durable monoatomic antibacterial and antiviral spray coating and preparation method thereof |
| CN113443855A (en) * | 2021-07-30 | 2021-09-28 | 广西利升石业有限公司 | Functional granite capable of releasing negative ions and preparation method thereof |
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