CN113501667A - Matt dry-particle glaze, digital ceramic ink and preparation method thereof - Google Patents
Matt dry-particle glaze, digital ceramic ink and preparation method thereof Download PDFInfo
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- 239000000919 ceramic Substances 0.000 title claims abstract description 66
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000011812 mixed powder Substances 0.000 claims description 37
- 239000002270 dispersing agent Substances 0.000 claims description 36
- 239000011259 mixed solution Substances 0.000 claims description 17
- 239000003960 organic solvent Substances 0.000 claims description 17
- 238000000227 grinding Methods 0.000 claims description 16
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 14
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 13
- 229910052593 corundum Inorganic materials 0.000 claims description 13
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 13
- 238000001354 calcination Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000002904 solvent Substances 0.000 claims description 8
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 claims description 7
- 229910052681 coesite Inorganic materials 0.000 claims description 7
- 229910052906 cristobalite Inorganic materials 0.000 claims description 7
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 claims description 7
- 239000000377 silicon dioxide Substances 0.000 claims description 7
- 229910052682 stishovite Inorganic materials 0.000 claims description 7
- 229910052905 tridymite Inorganic materials 0.000 claims description 7
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 6
- 239000000194 fatty acid Substances 0.000 claims description 6
- 229930195729 fatty acid Natural products 0.000 claims description 6
- 150000004665 fatty acids Chemical class 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
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- 239000004814 polyurethane Substances 0.000 claims description 5
- OAYXUHPQHDHDDZ-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethanol Chemical compound CCCCOCCOCCO OAYXUHPQHDHDDZ-UHFFFAOYSA-N 0.000 claims description 4
- SBASXUCJHJRPEV-UHFFFAOYSA-N 2-(2-methoxyethoxy)ethanol Chemical compound COCCOCCO SBASXUCJHJRPEV-UHFFFAOYSA-N 0.000 claims description 4
- JDSQBDGCMUXRBM-UHFFFAOYSA-N 2-[2-(2-butoxypropoxy)propoxy]propan-1-ol Chemical compound CCCCOC(C)COC(C)COC(C)CO JDSQBDGCMUXRBM-UHFFFAOYSA-N 0.000 claims description 4
- SVONRAPFKPVNKG-UHFFFAOYSA-N 2-ethoxyethyl acetate Chemical compound CCOCCOC(C)=O SVONRAPFKPVNKG-UHFFFAOYSA-N 0.000 claims description 4
- AMEMLELAMQEAIA-UHFFFAOYSA-N 6-(tert-butyl)thieno[3,2-d]pyrimidin-4(3H)-one Chemical compound N1C=NC(=O)C2=C1C=C(C(C)(C)C)S2 AMEMLELAMQEAIA-UHFFFAOYSA-N 0.000 claims description 4
- SJIDAAGFCNIAJP-UHFFFAOYSA-N 6-methylheptyl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCCCCCC(C)C SJIDAAGFCNIAJP-UHFFFAOYSA-N 0.000 claims description 4
- 229940033357 isopropyl laurate Drugs 0.000 claims description 4
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 claims description 4
- 239000003759 ester based solvent Substances 0.000 claims 1
- 239000004210 ether based solvent Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 26
- 238000005245 sintering Methods 0.000 abstract description 23
- 239000011521 glass Substances 0.000 abstract description 13
- 238000010521 absorption reaction Methods 0.000 abstract description 9
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 abstract description 8
- 238000010304 firing Methods 0.000 abstract description 3
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 abstract description 2
- 238000009825 accumulation Methods 0.000 abstract 1
- 239000000976 ink Substances 0.000 description 56
- 239000000463 material Substances 0.000 description 9
- 230000007547 defect Effects 0.000 description 8
- 238000005034 decoration Methods 0.000 description 7
- 238000007639 printing Methods 0.000 description 6
- 238000007641 inkjet printing Methods 0.000 description 5
- 239000011435 rock Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 239000000375 suspending agent Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000003373 anti-fouling effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
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- 239000010977 jade Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/30—Inkjet printing inks
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/30—Inkjet printing inks
- C09D11/38—Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Finishing Walls (AREA)
Abstract
The invention discloses a matt dry particle glaze, digital ceramic ink and a preparation method thereof, wherein the matt dry particle glaze comprises the following components in parts by weight: SiO 2230-60 parts; al (Al)2O330-60 parts; (K)2O+Na2O)1-3 parts; 1-10 parts of ZnO; 1-10 parts of SrO; the particle size of the matt dry particle glaze is 200-500 nm. The silicon-aluminum content of the matt dry particle glaze is high, the matt dry particle glaze is modified on the surface of a product and does not melt when sintered at high temperature, the slight concave-convex texture and soft touch feeling of the surface of the product can be kept, meanwhile, the micro-scale concave-convex improves the anti-skid capability of the surface of the product, and the anti-skid grade can reach German standard R10-R11; because of high silicon-aluminum content, the phase after sintering is mainly crystalline phase and has less glass phase, and the uneven surface is formed on the surface of the product, so that the product has high silicon-aluminum contentThe surface gloss of the product after firing can reach 1 degree at the lowest, and the product has excellent dull effect. In addition, the particle size of the matt dry particle glaze is 200-500nm, and the particle size is nano-scale, so that the matt dry particle glaze has the advantages of high sintering degree after high-temperature sintering, compact structure and no pollution absorption and accumulation problems.
Description
Technical Field
The invention relates to the field of ceramics, in particular to a matt dry particle glaze, digital ceramic ink and a preparation method thereof.
Background
The dry grain glazed tile belongs to an upgrading product of ceramic tile, it not only inherits the unique cultural elements of the archaized tile itself and the super-strong hardness of the polished tile, but also endows it with more vivid stone texture, and at the same time, the touch feeling is as warm as jade, and there is no ice cold feeling of the stone. The dry grain glazed tile is a floor tile with strong surface concave-convex texture, soft and moist touch, stronger hardness and good anti-skid effect. The floor tile is different from other floor tiles which are stepped on to give people a feeling of cold, stiff and sticky feet, the matt, soft and dry particle glazed tile can make people feel comfortable on feet, and the floor tile has a feeling of solid, warm and relaxed when being stepped on, and is very suitable for people who advocate and return to nature.
The particle size of the traditional dry particle glaze adopted by the traditional dry particle product is generally 45-150 microns, when in use, the dry particle glaze and the suspending agent are mixed according to a certain proportion, then the mixture is uniformly sprayed or showered on the surface of the product by a glaze spraying cabinet, and the product is sintered at high temperature, so that the local part of the dry particle is reacted with the surface of the product and fixed on the product, and the part of the dry particle is protruded on the surface to generate concave-convex texture. When the firing temperature of the dry particles is low, the frosted texture of the glaze surface of the product is not strong, and the glaze effect does not reach the standard, and when the firing temperature of the dry particles is high, although the frosted texture effect of the glaze surface of the product is strong, the gaps among the dry particles are large or small due to the fact that the surface of the product is uneven, when the product is paved for use, the surface is easy to hide dirt and absorb the dirt, and the problem that the product is difficult to clean exists.
Accordingly, the prior art is yet to be improved and developed.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a matt dry-particle glaze, digital ceramic ink and a preparation method thereof, and aims to solve the problem of poor stain resistance of the existing dry-particle glaze.
The technical scheme of the invention is as follows:
in a first aspect of the present invention, there is provided a matte dry-grain glaze, comprising, in parts by weight:
the particle size of the matt dry particle glaze is 200-500 nm.
A second aspect of the present invention provides a digital ceramic ink, comprising:
the invention relates to a matt dry particle glaze, an organic solvent and a dispersing agent.
Optionally, the mass ratio of the matt dry particle glaze to the organic solvent to the dispersant is (30-50): (50-60): (2-8).
Optionally, the organic solvent is selected from one or two of an ether solvent and an ester solvent.
Optionally, the ether solvent is selected from one or more of tripropylene glycol monobutyl ether, ethylene glycol butyl ether, diethylene glycol methyl ether, diethylene glycol butyl ether.
Optionally, the ester solvent is selected from one or more of ethylene glycol ethyl ether acetate, propylene glycol methyl ether acetate, isopropyl laurate and isooctyl stearate.
Optionally, the dispersant is selected from one or two of polyurethane type dispersant, poly fatty acid amide type dispersant.
In a third aspect of the present invention, a method for preparing a digital ceramic ink is provided, wherein the method comprises the steps of:
according to SiO230-60 parts of Al2O330-60 parts of (K)2O+Na21-3 parts of O), 1-10 parts of ZnO and 1-10 parts of SrO2、Al2O3、(K2O+Na2Mixing and calcining O), ZnO and SrO to obtain mixed powder;
grinding the mixed powder, and dispersing the ground mixed powder in an organic solvent containing a dispersing agent to obtain a mixed solution;
and grinding the mixed solution to ensure that the particle size of mixed powder in the mixed solution is 200-500nm to obtain the digital ceramic ink.
Alternatively, the temperature of the calcination is 1100-.
Optionally, in the step of grinding the mixed powder and dispersing the ground mixed powder in an organic solvent containing a dispersant to obtain a mixed solution, the particle size of the ground mixed powder is 5 to 10 μm.
Has the advantages that: the invention provides a matt dry particle glaze, digital ceramic ink and a preparation method thereof, wherein the matt dry particle glaze has high silicon-aluminum content, is modified on the surface of a product and is not melted during high-temperature sintering, so that the slight concave-convex texture and soft touch feeling of the surface of the product can be maintained, meanwhile, the anti-skid capability of the surface of the product is improved due to the micro-scale concave-convex, and the anti-skid grade can reach German standard R10-R11; because the content of silicon and aluminum is high, the phase of the product is mainly a crystal phase after sintering, and the phase has less glass phase, wherein the glass phase and the surface smoothness are the main reasons for generating surface gloss, therefore, the matte dry particle glaze material is modified on the surface of the product after high-temperature sintering, and only contains less glass phase and is additionally provided with an uneven surface formed on the surface of the product, so that the surface gloss of the product after sintering can reach 1 ℃ at the lowest, and the product has excellent matte effect. In addition, the particle size of the matt dry particle glaze is 200-500nm, which is nearly hundreds of times different from the particle size of 45-150 microns of the traditional dry particle glaze, and the particle size of the matt dry particle glaze is nano-scale, so that the matt dry particle glaze has the advantages of high sintering degree after high-temperature sintering, compact structure and no pollution absorption and hiding problems.
Drawings
Fig. 1 is a surface topography of a conventional dry-particle glaze.
Fig. 2 is a surface topography of a matte dry particle glaze in an embodiment of the invention.
Detailed Description
The invention provides a matt dry particle glaze, digital ceramic ink and a preparation method thereof, and the invention is further described in detail below in order to make the purpose, technical scheme and effect of the invention clearer and more clear. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiment of the invention provides a matt dry-particle glaze, which comprises the following components in parts by weight:
the particle size of the matt dry particle glaze is 200-500 nm.
In the embodiment, the silicon-aluminum content of the matt dry particle glaze is high, the matt dry particle glaze is modified on the surface of a product and does not melt when sintered at a high temperature, the slight concave-convex texture and the soft touch feeling of the surface of the product can be maintained, meanwhile, the anti-skid capability of the surface of the product is improved due to the micro-scale concave-convex texture, and the anti-skid grade can reach German standard R10-R11; because the content of silicon and aluminum is high, the phase of the product is mainly a crystal phase after sintering, and the phase has less glass phase, wherein the glass phase and the surface smoothness are the main reasons for generating surface gloss, therefore, the matte dry particle glaze material is modified on the surface of the product after high-temperature sintering, and only contains less glass phase and is additionally provided with an uneven surface formed on the surface of the product, so that the surface gloss of the product after sintering can reach 1 ℃ at the lowest, and the product has excellent matte effect. In addition, the particle size of the matt dry particle glaze is 200nm-500nm (the schematic surface appearance is shown in figure 2 and is obtained by a contact profiler Talysurf CLI 1000 test), the size is nearly hundred times different from that of the traditional dry particle glaze particles of 45-150 microns (the schematic surface appearance is shown in figure 1 and is obtained by the contact profiler Talysurf CLI 1000 test), and the particle size is nano-scale, so that the matt dry particle glaze has the advantages of very high sintering degree after high-temperature sintering, compact structure and no defects of glaze surface dirt absorption, dirt hiding and the like.
When the matte dry particle glaze material is decorated on the surface of a product, the surface of the product is strong in concave-convex texture, soft and moist in touch, strong in hardness and good in anti-skid effect. When the glaze is used for decorating the surfaces of floor tiles and other products, the matt soft dry particle glaze can make the feet feel very comfortable, and the feet feel solid, warm and relaxed when being stepped on.
In this example, K2O and Na2Mass ratio of OCan be adjusted according to actual needs, and in specific implementation, K2O and Na2The mass ratio of O may be (2-9) to (1-4), but is not limited thereto.
At present, the decoration of the ceramic tile is mostly in the form of ceramic ink to perform decoration with color and surface texture effect, and the texture of the product is improved, so that the competitiveness is improved. The inks on the market can be roughly divided into color inks and digital glaze inks. The color ink can only express the information of color, level and the like of decorative patterns of products, the digital glaze ink can express the texture of surface unevenness, gloss and the like of the products, and the digital glaze ink which can express the technical effect of dull and dry glaze is not seen in the current market. In addition, in the prior art, dry glaze (usually with a particle size of 45-150 microns) and a suspending agent are mixed according to a certain proportion and then uniformly sprayed or sprinkled on the surface of a product by a glaze spraying cabinet, the dry glaze has large using amount, only the whole layout can be decorated, local decoration can not be carried out by matching with pattern and texture, the application requirement is high, and the application is inconvenient on large-size rock plate products. Based on this, in order to solve the above-mentioned deficiencies of the conventional dry particle product process, the embodiment of the present invention provides a digital ceramic ink for digitizing a glaze material having a dry particle effect, wherein the digital ceramic ink comprises:
a matt dry-particle glaze, an organic solvent and a dispersant;
the matt dry-particle glaze comprises the following components in parts by weight:
the particle size of the matt dry particle glaze is 200-500 nm.
Generally, the ceramic particles can be subjected to spray printing by a digital ink-jet process after being ultrafined, and the initial melting temperature of the formula can be reduced by about 20 ℃ after the ceramic particles are thinned, so that the particle size of the matt dry glaze in the digital ceramic ink in the embodiment is 200-500nm, and the matt dry glaze formula takes silicon-aluminum as a main component and a small amount of solvent is used for ensuring that the sintering of the formula does not generate the phenomenon of green burning or overburning.
In the embodiment, the glaze with the dry particle effect is digitalized, the matt dry particle glaze is enabled to exist in the form of ink for the first time, the digital ceramic ink is obtained through preparation, after the digital ceramic ink is printed through ink jet, the glaze can be made to be matt, the glaze can generate the dry particle effect, the glaze glossiness can reach 1 degree at the lowest under the conditions that the texture of the glaze is maintained and no use defects exist, and the phenomena of dirt absorption and the like cannot occur. Compared with the prior art that after dry glaze (usually, the particle size is 45-150 microns) and a suspending agent are mixed according to a certain proportion, the dry glaze is uniformly sprayed or sprinkled on the surface of a product by a glaze spraying cabinet, the dry grain dosage is large, only the whole layout can be decorated, local decoration can not be carried out by matching with pattern textures, the application requirement is high, and the application is inconvenient to apply to large-size rock plate products, when the digital ceramic ink is used for carrying out ink-jet printing on the surface of the product to decorate the surface of the product, the dry grain dosage is small, the production application requirement and the application cost can be reduced, local printing can be carried out according to the texture design of decorative patterns, printing according to needs is really achieved, the flexibility of the decorative patterns is improved, and the digital ceramic ink can be applied to large-size rock plate products to provide creative materials for process technology and designers. In addition, when the digital ink is used for decorating products such as ceramic tiles and the like, the glaze surface becomes dull, the color of the decorative pattern cannot generate color cast under different observation angles, the sampling and on-line judgment of technicians is facilitated, the risk of color misjudgment caused by light reflection on the surface of the product is reduced, and the batch color difference of the product is reduced. After the digital ceramic ink is applied to a product, the lowest glossiness of the surface of the product can reach 1 degree, the defects of glaze surface dirt absorption, dirt hiding and the like can not be generated, and the anti-skid grade can reach German standard R10-R11 according to the product requirements.
In addition, the digital ceramic ink in this embodiment, which uses an organic solvent as a carrier, does not contain moisture, and is very suitable for surface modification of products that are sensitive to moisture and whose green strength is reduced by the presence of moisture, such as ceramic large plates or ceramic rock plate products.
In one embodiment, the mass ratio of the matte dry particle glaze, the organic solvent and the dispersant is (30-50): (50-60): (2-8). The proportion can ensure that the digital ceramic ink has better dry particle effect when the surface of a product is subjected to ink-jet printing.
In one embodiment, the organic solvent is selected from one or two of an ether solvent and an ester solvent, but is not limited thereto.
In one embodiment, the ether solvent is selected from one or more of tripropylene glycol monobutyl ether, ethylene glycol butyl ether, diethylene glycol methyl ether, diethylene glycol butyl ether, but is not limited thereto.
In one embodiment, the ester solvent is selected from one or more of ethylene glycol ethyl ether acetate, propylene glycol methyl ether acetate, isopropyl laurate, and isooctyl stearate, but is not limited thereto.
In one embodiment, the dispersant is selected from one or both of a polyurethane-type dispersant, a poly fatty acid amide-type dispersant.
The dispersant used in this embodiment is one or both of a polyurethane-type dispersant and a poly fatty acid amide-type dispersant that are hydrophilic to inorganic material groups. The main function of the dispersing agent in the embodiment is that the polar group can be adsorbed on the surface of the dull dry-particle glaze to form an adsorption layer, so that charge repulsion and steric hindrance effect are generated, the dispersed dry-particle glaze is prevented from flocculating again, and the system can be kept in a stable suspension state. The dispersant can also reduce the viscosity of the ink and increase the solid content of glaze in the ink.
The embodiment of the invention also provides a preparation method of the digital ceramic ink, which comprises the following steps:
s11, SiO230-60 parts of Al2O330-60 parts of (K)2O+Na21-3 parts of O), 1-10 parts of ZnO and 1-10 parts of SrO2、Al2O3、(K2O+Na2Mixing and calcining O), ZnO and SrO to obtain mixed powder;
s12, grinding the mixed powder, and dispersing the ground mixed powder in an organic solvent containing a dispersing agent to obtain a mixed solution;
s13, grinding the mixed solution to enable the particle size of the mixed powder in the mixed solution to be 200-500nm, and obtaining the digital ceramic ink.
The preparation method provided by the embodiment is simple and easy to implement, and the digital ceramic ink with the dry particle effect can be prepared, compared with the existing method that after dry particle glaze (the particle size is usually 45-150 microns) and a suspending agent are mixed according to a certain proportion, the digital ceramic ink is uniformly sprayed or showered on the surface of a product by a glaze spraying cabinet, the dry particle consumption is large, the whole layout can be decorated only, and local decoration cannot be performed by matching with pattern textures, in the embodiment, the digital ceramic ink can be printed according to the texture design and different gray levels of the decoration patterns, so that printing on demand is really achieved, the flexibility of the decoration patterns is improved, after the digital ceramic ink is applied to the product, the surface glossiness of the product can reach 1 degree at the lowest, meanwhile, the defects of glaze dirt absorption, dirt hiding and the like cannot be generated, and the anti-slip level can reach German standard R10-R11 according to the product requirements.
In the step S11, the silicon-aluminum content of the mixed powder is high, the mixed powder is directly prepared into digital ceramic ink which is decorated on the surface of a product and is not melted when being sintered at high temperature, the slight concave-convex texture and the soft touch feeling of the surface of the product can be kept, meanwhile, the micro-scale concave-convex texture improves the anti-skid capability of the surface of the product, and the anti-skid grade can reach German standard R10-R11; because the content of silicon and aluminum is high, the phase of the product is mainly a crystal phase after sintering, and the phase has less glass phase, wherein the glass phase and the surface smoothness are the main reasons for generating surface gloss, therefore, the matte dry particle glaze material is modified on the surface of the product after high-temperature sintering, and only contains less glass phase and is additionally provided with an uneven surface formed on the surface of the product, so that the surface gloss of the product after sintering can reach 1 ℃ at the lowest, and the product has excellent matte effect.
In one embodiment, the temperature of the calcination is 1100-1300 ℃, and the calcination is performed for the purpose of removing organic impurities in the mixed powder.
In step S12, in one embodiment, the step of grinding the mixed powder and dispersing the ground mixed powder in an organic solvent containing a dispersant to obtain a mixed solution has a particle size of 5 to 10 μm. In order to prepare the digital ceramic ink, the particle size of the glaze in the ink is a key factor, and generally, the glaze particles can be sprayed and printed by adopting a digital ink-jet process after being thinned, so that in the embodiment, the mixed powder needs to be ground to ensure that the particle size is 5-10 μm.
In one embodiment, the dispersant is selected from one or both of a polyurethane-type dispersant, a poly fatty acid amide-type dispersant.
The dispersant used in this embodiment is one or both of a polyurethane-type dispersant and a poly fatty acid amide-type dispersant that are hydrophilic to inorganic material groups. The dispersing agent in the embodiment has the main functions that the polar group can be adsorbed on the surface of the matt dry-particle glaze to form an adsorption layer, so that charge repulsion and steric hindrance effects are generated, the dispersed dry-particle glaze is prevented from flocculating again, a system can be kept in a stable suspension state, the viscosity of ink can be reduced, the solid content of the matt dry-particle glaze in the ink is increased, and the grinding efficiency of subsequent mixed liquid is improved.
In one embodiment, the organic solvent is selected from one or two of an ether solvent and an ester solvent, but is not limited thereto.
In one embodiment, the ether solvent is selected from one or more of tripropylene glycol monobutyl ether, ethylene glycol butyl ether, diethylene glycol methyl ether, diethylene glycol butyl ether, but is not limited thereto.
In one embodiment, the ester solvent is selected from one or more of ethylene glycol ethyl ether acetate, propylene glycol methyl ether acetate, isopropyl laurate, and isooctyl stearate, but is not limited thereto.
In step S13, the mixed solution is further ground to make the particle size of the mixed powder in the mixed solution 200-500nm, so as to obtain the digital ceramic ink. That is to say, the particle size of the matt dry particle glaze in the digital ceramic ink is 200-500 nm.
The invention is further illustrated by the following specific examples.
The parts in examples 1, 2 and 3 are parts by weight.
Example 1
According to SiO249 parts of Al2O340 portions and (K)2O+Na21 part of O), 5 parts of ZnO and 5 parts of SrO2、Al2O3、(K2O+Na2Mixing O), ZnO and SrO, and calcining at 1300 ℃ to obtain mixed powder;
and grinding the mixed powder, adding the ground mixed powder and 4 parts of polyurethane dispersant into 120 parts of ethylene glycol butyl ether, grinding to enable the particle size of the mixed powder in the mixed solution to be 200nm to obtain digital ceramic ink, and performing inkjet printing on the surface of the ceramic tile to obtain the ceramic tile with the matt dry particle effect.
Example 2
According to SiO253 parts of Al2O335 portions and (K)2O+Na22 portions of O), 5 portions of ZnO and 5 portions of SrO2、Al2O3、(K2O+Na2Mixing O), ZnO and SrO, and calcining at 1300 ℃ to obtain mixed powder;
and grinding the mixed powder, adding the ground mixed powder and 4 parts of polyurethane dispersant into 120 parts of ethylene glycol butyl ether, grinding to enable the particle size of the mixed powder in the mixed solution to be 200nm to obtain digital ceramic ink, and performing inkjet printing on the surface of the ceramic tile to obtain the ceramic tile with the matt dry particle effect.
Example 3
According to SiO257 parts of Al2O330 portions and (K)2O+Na23 parts of O), 5 parts of ZnO and 5 parts of SrO2、Al2O3、(K2O+Na2Mixing O), ZnO and SrO, and calcining at 1300 ℃ to obtain mixed powder;
and grinding the mixed powder, adding the ground mixed powder and 4 parts of polyurethane dispersant into 120 parts of ethylene glycol butyl ether, grinding to enable the particle size of the mixed powder in the mixed solution to be 200nm to obtain digital ceramic ink, and performing inkjet printing on the surface of the ceramic tile to obtain the ceramic tile with the matt dry particle effect.
The surface of the products of examples 1, 2 and 3 were tested for gloss, soil and slip, and the results were as follows:
| examples | SiO2 | Al2O3 | K2O+Na2O | ZnO | SrO | Gloss of | Antifouling | Antiskid (German standard) |
| 1 | 49 | 40 | 1 | 5 | 5 | 1 degree | Three-stage | R11 |
| 2 | 53 | 35 | 2 | 5 | 5 | 3 degree | Three-stage | R10 |
| 3 | 57 | 30 | 3 | 5 | 5 | 5 degree | Three-stage | R10 |
Therefore, the matte dry-particle glaze material in the embodiment of the invention can enable the surface of the ceramic tile to have lower glossiness and better antifouling performance and anti-skid performance.
In conclusion, the matte dry particle glaze, the digital ceramic ink and the preparation method thereof have the advantages that the silicon-aluminum content of the matte dry particle glaze is high, the matte dry particle glaze is modified on the surface of a product and is not melted when sintered at high temperature, the slight concave-convex texture and the soft touch feeling of the surface of the product can be kept, meanwhile, the anti-skid capability of the surface of the product is improved due to the micro-scale concave-convex, and the anti-skid grade can reach German standard R10-R11; because the content of silicon and aluminum is high, the phase of the product is mainly a crystal phase after sintering, and the phase has less glass phase, wherein the glass phase and the surface smoothness are the main reasons for generating surface gloss, therefore, the matte dry particle glaze material is modified on the surface of the product after high-temperature sintering, and only contains less glass phase and is additionally provided with an uneven surface formed on the surface of the product, so that the surface gloss of the product after sintering can reach 1 ℃ at the lowest, and the product has excellent matte effect. In addition, the particle size of the matt dry particle glaze is 200-500nm, which is nearly hundreds of times different from the particle size of 45-150 microns of the traditional dry particle glaze, and the particle size of the matt dry particle glaze is nano-scale, so that the matt dry particle glaze has the advantages of high sintering degree after high-temperature sintering, compact structure, no generation of defects of glaze surface dirt absorption, dirt hiding and the like. When the matte dry particle glaze is decorated on the surface of a product, the product surface has strong concave-convex texture, soft touch, strong hardness and good anti-skid effect. When the matte soft and dry glaze is decorated on the surface of a floor tile product, the foot feel of a person is very comfortable, and the person feels solid, warm and relaxed when stepping on the glaze. In addition, the glaze with the dry particle effect is digitalized, the matt dry particle glaze exists in the form of ink for the first time, the digital ceramic ink is prepared, after the digital ceramic ink is printed by ink jet, the glaze can be matt, the glaze can generate the dry particle effect, the lowest glossiness of the glaze can reach 1 degree under the conditions of keeping the texture of the glaze and no use defects, and the phenomena of dirt absorption and the like can not occur. When the digital ceramic ink is printed on the surface of a product in an ink-jet mode to decorate the surface of the product, the dry particle consumption is small, the production application requirement and the application cost can be reduced, local printing can be performed according to the texture design of the decorative pattern, printing according to needs is really achieved, the flexibility of the decorative pattern is improved, the digital ceramic ink can be applied to large-specification rock plate products, and created materials are provided for process technology and designers. In addition, when the digital ink is used for decorating products such as ceramic tiles and the like, the glaze surface becomes dull, the color of the decorative pattern cannot generate color cast under different observation angles, and the judgment of proofing and online of technicians is facilitated, so that the risk of color misjudgment caused by light reflection on the surface of the product is reduced, and the batch color difference of the product is reduced. After the digital ceramic ink is applied to a product, the lowest glossiness of the surface of the product can reach 1 degree, the defects of glaze surface dirt absorption, dirt hiding and the like can not be generated, and the anti-skid grade can reach German standard R10-R11 according to the product requirements. The preparation method is simple and feasible, and the digital ceramic ink with the dry particle effect can be prepared.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (10)
1. A matt dry-particle glaze is characterized by comprising the following components in parts by weight:
the particle size of the matt dry particle glaze is 200-500 nm.
2. A digital ceramic ink, comprising:
a matte dry particle glaze according to claim 1, an organic solvent and a dispersant.
3. The digital ceramic ink as claimed in claim 2, wherein the mass ratio of the matte dry particle glaze, the organic solvent and the dispersant is (30-50): (50-60): (2-8).
4. The digital ceramic ink according to claim 2, wherein the organic solvent is one or two selected from ether solvents and ester solvents.
5. The digital ceramic ink according to claim 4, wherein the ether solvent is selected from one or more of tripropylene glycol monobutyl ether, ethylene glycol butyl ether, diethylene glycol methyl ether, and diethylene glycol butyl ether.
6. The digital ceramic ink according to claim 4, wherein the ester solvent is selected from one or more of ethylene glycol ethyl ether acetate, propylene glycol methyl ether acetate, isopropyl laurate, and isooctyl stearate.
7. The digital ceramic ink according to claim 2, wherein the dispersant is one or two selected from a polyurethane type dispersant and a poly fatty acid amide type dispersant.
8. A preparation method of digital ceramic ink is characterized by comprising the following steps:
according to SiO230-60 parts of Al2O330-60 parts of (K)2O+Na21-3 parts of O), 1-10 parts of ZnO and 1-10 parts of SrO2、Al2O3、(K2O+Na2Mixing and calcining O), ZnO and SrO to obtain mixed powder;
grinding the mixed powder, and dispersing the ground mixed powder in an organic solvent containing a dispersing agent to obtain a mixed solution;
and grinding the mixed solution to ensure that the particle size of mixed powder in the mixed solution is 200-500nm to obtain the digital ceramic ink.
9. The method as claimed in claim 8, wherein the calcination temperature is 1100-1300 ℃.
10. The method for preparing digital ceramic ink according to claim 8, wherein in the step of grinding the mixed powder and dispersing the ground mixed powder in an organic solvent containing a dispersant to obtain a mixed solution, the particle size of the ground mixed powder is 5 to 10 μm.
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