Purple ceramic ink as well as preparation method and application thereof

Abstract

The invention discloses purple ceramic ink as well as a preparation method and application thereof. The purple ceramic ink is prepared from the following raw materials: metastannic acid, light calcium carbonate, quartz powder, potassium dichromate, calcium fluoride, potassium chromate, a solvent and a dispersing agent. When the purple ceramic ink is used for preparing domestic porcelain, bright purple can be generated, the color development effect is good, and the color development requirement of the domestic porcelain can be met.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of ceramic materials, and particularly relates to a purple ceramic ink as well as a preparation method and application thereof. BACKGROUND

[0002] Daily-use porcelain is a kind of porcelain commonly seen in daily life, which needs to be fired at 1280-1400 DEG C for 3-10 hours in a kiln, and the existing purple ceramic ink used on porcelain glaze can only withstand a temperature of 1120 DEG C at most, and firing temperature exceeding 1120 DEG C will lead to no color development or not obvious color development, which cannot meet the color development requirements of daily-use porcelain. SUMMARY

[0003] The present application aims to at least solve one of the technical problems existing in the prior art. To this end, the present application provides a purple ceramic ink as well as a preparation method and application thereof, which can produce bright purple color when used in the preparation of daily-use porcelain, has good color development effect, and can meet the color development requirements of daily-use porcelain.

[0004] The above technical purpose of the present application is achieved by the following technical scheme: A purple ceramic ink, characterized in that it comprises the following raw materials: metatitanic acid, light calcium carbonate, quartz powder, potassium dichromate, calcium fluoride, potassium chromate, a solvent and a dispersant.

[0005] In some embodiments of the present application, the raw materials include the following weight fractions: metatitanic acid: 45-55 parts; light calcium carbonate: 25-35 parts; quartz powder: 25-35 parts; potassium dichromate: 3-4.5 parts; calcium fluoride: 3-8 parts; potassium chromate: 0.1-1 part; solvent: 80-100 parts; and dispersant: 8-15 parts.

[0006] In some embodiments of the present application, the raw materials further include zinc oxide and vanadium pentoxide.

[0007] In some embodiments of the present application, the raw materials further include the following weight fractions: zinc oxide: 0.5-2 parts; and vanadium pentoxide: 0.1-0.3 parts.

[0008] In some embodiments of the present application, the solvent is at least one of white oil, isopropyl laurate, coconut oil acid and isooctyl palmitate.

[0009] In some embodiments of the present application, the white oil is at least one of 3# white oil, 5# white oil and 7# white oil.

[0010] In some embodiments of the present application, the dispersant is an amide dispersant or a polyester dispersant.

[0011] In some embodiments of the present invention, the dispersant is SR-352 dispersant.

[0012] In some embodiments of the present invention, the D50 of the metastannic acid is 15-18 μm.

[0013] In some embodiments of the present invention, the D50 of the light calcium carbonate is 15-18 μm.

[0014] In some embodiments of the present invention, the D50 of the quartz powder is 15-18 μm.

[0015] In some embodiments of the present invention, the D50 of the calcium fluoride is 15-18 μm.

[0016] In some embodiments of the present invention, the solid content of the purple ceramic ink is 40wt%-45wt%.

[0017] In some embodiments of the present invention, the D50 of the purple ceramic ink is 0.5-0.6 μm.

[0018] In some embodiments of the present invention, the viscosity of the purple ceramic ink is 20-25 CPS.

[0019] A method for preparing purple ceramic ink as described above includes the following steps: mixing the solid raw materials, calcining, ball milling with water, drying, pulverizing, adding the solvent and the dispersant, grinding, and filtering to obtain the ink.

[0020] In some embodiments of the present invention, the water-added ball milling refers to adding 1.5-3 times the amount of water to the material and then ball milling it for 10-20 minutes.

[0021] In some embodiments of the present invention, the calcination atmosphere is a reducing atmosphere.

[0022] In some embodiments of the present invention, the calcination temperature is 1200-1400℃ and the calcination time is 2-8h.

[0023] The application of purple ceramic ink in daily-use porcelain, as described above.

[0024] The beneficial effects of this invention are: the ceramic ink can produce a bright purple color at a high temperature of 1300 degrees Celsius, which solves the problem that conventional tin chromium red ink does not develop color on everyday porcelain glaze. Attached Figure Description

[0025] Figure 1 Images showing the purple ceramic ink of Embodiment 1 of the present invention and commercially available tin chromium red ceramic ink applied to everyday ceramics; Figure 2Pictures of the application of the purple ceramic ink of the present application embodiment 1-6 and the commercially available tin-chrome red ceramic ink on the ceramic antique brick. DETAILED DESCRIPTION

[0026] The present application is further described below in conjunction with specific embodiments.

[0027] Embodiment 1: A purple ceramic ink, comprising the following raw materials by weight: metatitanic acid: 54.4 parts; light calcium carbonate: 30 parts; quartz powder: 29 parts; potassium dichromate: 3.6 parts; calcium fluoride: 4 parts; potassium chromate: 0.2 parts; zinc oxide: 1 part; vanadic anhydride: 0.2 parts; solvent: 90 parts; dispersant: 12 parts; wherein the D50 of metatitanic acid, light calcium carbonate, quartz powder and calcium fluoride is 16 μm, the solvent is 5# white oil, and the dispersant is SR-352 dispersant.

[0028] A preparation method of the above-mentioned purple ceramic ink, comprising the following steps: mixing metatitanic acid, light calcium carbonate, quartz powder, potassium dichromate, calcium fluoride, potassium chromate, zinc oxide and vanadic anhydride, calcining at 1350℃ and in a reducing atmosphere for 3h, then adding water twice the weight of the material, ball milling in a rapid ball mill for 15min, sieving through a 325 mesh sieve, drying, and then grinding into powder, adding solvent and dispersant, grinding to a D50 of 0.55 μm using a sand mill, removing iron, and filtering to obtain the purple ceramic ink, the solid content of which is 43wt%, and the viscosity of which is 23CPS.

[0029] Embodiment 2: (the difference from embodiment 1 is that the calcination atmosphere is an oxidizing atmosphere) A purple ceramic ink, comprising the following raw materials by weight: metatitanic acid: 54.4 parts; light calcium carbonate: 30 parts; quartz powder: 29 parts; potassium dichromate: 3.6 parts; calcium fluoride: 4 parts; potassium chromate: 0.2 parts; zinc oxide: 1 part; vanadic anhydride: 0.2 parts; solvent: 90 parts; dispersant: 12 parts; wherein the D50 of metatitanic acid, light calcium carbonate, quartz powder and calcium fluoride is 16 μm, the solvent is 5# white oil, and the dispersant is SR-352 dispersant.

[0030] A preparation method of the above-mentioned purple ceramic ink, comprising the following steps: mixing metatitanic acid, light calcium carbonate, quartz powder, potassium dichromate, calcium fluoride, potassium chromate, zinc oxide and vanadic anhydride, calcining at 1350℃ and in an oxidizing atmosphere for 3h, then adding water twice the weight of the material, ball milling in a rapid ball mill for 15min, sieving through a 325 mesh sieve, drying, and then grinding into powder, adding solvent and dispersant, grinding to a D50 of 0.55 μm using a sand mill, removing iron, and filtering to obtain the purple ceramic ink, the solid content of which is 43wt%, and the viscosity of which is 23CPS.

[0031] Example 3: (The difference from Example 1 is that the D50 of metatitanic acid, light calcium carbonate, quartz powder and calcium fluoride is 20 μm) A purple ceramic ink, comprising the following raw materials by weight: metatitanic acid: 54.4 parts; light calcium carbonate: 30 parts; quartz powder: 29 parts; potassium dichromate: 3.6 parts; calcium fluoride: 4 parts; potassium chromate: 0.2 parts; zinc oxide: 1 part; vanadium pentoxide: 0.2 parts; solvent: 90 parts; dispersant: 12 parts; wherein the D50 of metatitanic acid, light calcium carbonate, quartz powder and calcium fluoride is 20 μm, the solvent is 5# white oil, and the dispersant is SR-352 dispersant.

[0032] A preparation method of the above-mentioned purple ceramic ink, comprising the following steps: mixing metatitanic acid, light calcium carbonate, quartz powder, potassium dichromate, calcium fluoride, potassium chromate, zinc oxide and vanadium pentoxide, calcining at 1350°C and in a reducing atmosphere for 3h, then adding water twice the weight of the material and ball milling in a rapid ball mill for 15min, sieving through a 325 mesh sieve, drying, and then grinding into powder, adding solvent and dispersant, grinding to a D50 of 0.55 μm using a sand mill, removing iron, and filtering to obtain the purple ceramic ink, which has a solid content of 43wt% and a viscosity of 23CPS.

[0033] Example 4: (The difference from Example 1 is that the raw materials do not contain zinc oxide and vanadium pentoxide) A purple ceramic ink, comprising the following raw materials by weight: metatitanic acid: 54.4 parts; light calcium carbonate: 30 parts; quartz powder: 29 parts; potassium dichromate: 3.6 parts; calcium fluoride: 4 parts; potassium chromate: 0.2 parts; solvent: 90 parts; dispersant: 12 parts; wherein the D50 of metatitanic acid, light calcium carbonate, quartz powder and calcium fluoride is 16 μm, the solvent is 5# white oil, and the dispersant is SR-352 dispersant.

[0034] A preparation method of the above-mentioned purple ceramic ink, comprising the following steps: mixing metatitanic acid, light calcium carbonate, quartz powder, potassium dichromate, calcium fluoride and potassium chromate, calcining at 1350°C and in a reducing atmosphere for 3h, then adding water twice the weight of the material and ball milling in a rapid ball mill for 15min, sieving through a 325 mesh sieve, drying, and then grinding into powder, adding solvent and dispersant, grinding to a D50 of 0.55 μm using a sand mill, removing iron, and filtering to obtain the purple ceramic ink, which has a solid content of 43wt% and a viscosity of 23CPS.

[0035] Example 5: A purple ceramic ink, comprising the following raw materials by weight: metatitanic acid: 45 parts; light calcium carbonate: 25 parts; quartz powder: 25 parts; potassium dichromate: 3 parts; calcium fluoride: 3 parts; potassium chromate: 0.1 part; zinc oxide: 0.5 part; vanadium pentoxide: 0.1 part; solvent: 80 parts; dispersant: 8 parts; wherein the D50 of metatitanic acid, light calcium carbonate, quartz powder and calcium fluoride is 15 μm, the solvent is isopropyl laurate, and the dispersant is SR-352 dispersant.

[0036] A preparation method of the above-mentioned purple ceramic ink, comprising the following steps: mixing metatitanic acid, light calcium carbonate, quartz powder, potassium dichromate, calcium fluoride, potassium chromate, zinc oxide and vanadium pentoxide, calcining at 1200°C under a reducing atmosphere for 2 hours, then adding water twice the weight of the materials, ball milling in a rapid ball mill for 15 minutes, sieving through a 325 mesh sieve, drying, and then grinding into powder, adding a solvent and a dispersant, grinding to a D50 of 0.5 μm using a sand mill, removing iron, and filtering to obtain the purple ceramic ink, the solid content of which is 43 wt%, and the viscosity of which is 20 CPS.

[0037] Example 6: A purple ceramic ink, comprising the following raw materials by weight: metatitanic acid: 55 parts; light calcium carbonate: 35 parts; quartz powder: 35 parts; potassium dichromate: 4.5 parts; calcium fluoride: 8 parts; potassium chromate: 1 part; zinc oxide: 2 parts; vanadium pentoxide: 0.3 part; solvent: 100 parts; dispersant: 15 parts; wherein the D50 of metatitanic acid, light calcium carbonate, quartz powder and calcium fluoride is 18 μm, the solvent is coconut oil, and the dispersant is SR-352 dispersant.

[0038] A preparation method of the above-mentioned purple ceramic ink, comprising the following steps: mixing metatitanic acid, light calcium carbonate, quartz powder, potassium dichromate, calcium fluoride, potassium chromate, zinc oxide and vanadium pentoxide, calcining at 1400°C under a reducing atmosphere for 8 hours, then adding water twice the weight of the materials, ball milling in a rapid ball mill for 15 minutes, sieving through a 325 mesh sieve, drying, and then grinding into powder, adding a solvent and a dispersant, grinding to a D50 of 0.6 μm using a sand mill, removing iron, and filtering to obtain the purple ceramic ink, the solid content of which is 43 wt%, and the viscosity of which is 25 CPS.

[0039] Test example: The purple ceramic ink of Example 1 and a commercially available tin-chromium red ceramic ink are respectively applied to the surface of a daily-use porcelain glaze, specifically: (1) preparing a ceramic green body; (2) drying the ceramic green body, and then spraying 9 grams of water on the surface of the ceramic green body in an area of 300X300 mm; 2 (3) drying the ceramic green body, and then spraying 9 grams of water on the surface of the ceramic green body in an area of 300X300 mm; (3) a face glaze, wherein the face glaze comprises the following raw materials in parts by weight: 21 parts of sodium feldspar, 14 parts of potassium feldspar, 1 part of calcined zinc oxide, 38 parts of quartz, 12 parts of kaolin, 10 parts of alumina, and 5 parts of strontium carbonate; (4) applying ceramic ink (purple ceramic ink of Example 1 and commercially available tin-chromium red ceramic ink) on the surface of the face glaze; (5) firing, placing the ceramic green body after the application into a shuttle kiln, calcining at 650°C for 1.5 h, then calcining at 1000°C for 2 h, and calcining at 1300°C for 4.5 h to prepare the daily-use porcelain.

[0040] The color development of the purple ceramic ink of Example 1 applied on the daily-use porcelain is shown in Figure 1 A, and the color development of the commercially available tin-chromium red ceramic ink is shown in Figure 1 B. As can be seen from A and B in Figure 1 , the purple ceramic ink of Example 1 applied on the daily-use porcelain can produce bright purple color with obvious color development and good decorative effect, and the commercially available tin-chromium red ceramic ink does not develop color on the daily-use porcelain.

[0041] The purple ceramic inks of Examples 1-6 and the commercially available tin-chromium red ceramic ink were respectively applied on the surface of ceramic antique bricks, specifically, the ceramic inks were printed on the surface of the ceramic antique bricks, the printing equipment used was a single-channel inkjet test machine of Xingtai, the model of the nozzle was 1024LC, and the printing gray scale was 40%, and then the ceramic antique bricks were calcined at 1160°C for 1 h.

[0042] The color of the patterns on the ceramic antique bricks was respectively tested by a color difference meter, and the test results are shown in Table 1, and the color of the patterns on the ceramic antique bricks obtained simultaneously is shown in Figure 2 , Figure 2 A to F in Figure 2 are patterns printed by the ceramic inks of Examples 1 to 6, respectively, G is a pattern printed by the commercially available tin-chromium red ceramic ink.

[0043]

[0044] Table 1. Test results

[0045] According to the test data in Table 1, the purple ceramic inks of Examples 1-6 can all produce bright colors when applied on the ceramic antique bricks prepared by calcining at 1160 DEG C, and the purple ceramic ink of Example 1 has the best color development, the color development of Examples 2-4 is more pale than that of Example 1, and the color development of the commercially available tin-chromium red ceramic ink is not obvious when applied on the ceramic antique bricks, indicating that the purple ceramic ink of the present application can achieve good color development effect when applied on domestic porcelain and ceramic antique bricks.

[0046] The above examples are the preferred embodiments of the present application, but the embodiments of the present application are not limited to the above examples, and any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present application should be equivalent replacement methods, and all are included in the protection scope of the present application.

Claims

1. A violet ceramic ink, characterized by: The raw materials include metatungstate, light calcium carbonate, quartz powder, potassium dichromate, calcium fluoride, potassium chromate, solvent and dispersant.

2. The purple ceramic ink according to claim 1, characterized in that: The raw materials include metatungstate, light calcium carbonate, quartz powder, potassium dichromate, calcium fluoride, potassium chromate, solvent and dispersant. The raw materials include metatungstate, light calcium carbonate, quartz powder, potassium dichromate, calcium fluoride, potassium chromate, solvent and dispersant. The raw materials include metatungstate, light calcium carbonate, quartz powder, potassium dichromate, calcium fluoride, potassium chromate, solvent and dispersant.

3. The purple ceramic ink according to claim 1, characterized in that: The raw materials also include zinc oxide and vanadium pentoxide.

4. The purple ceramic ink according to claim 1, characterized by: The raw materials also include zinc oxide and vanadium pentoxide. The raw materials also include zinc oxide and vanadium pentoxide. The raw materials also include zinc oxide and vanadium pentoxide.

5. The purple ceramic ink according to claim 1, characterized in that: The solvent is at least one of white oil, isopropyl laurate, coconut oil acid and isooctyl palmitate.

6. The purple ceramic ink according to claim 1, wherein: The dispersant is amide dispersant or polyester dispersant.

7. The purple ceramic ink according to claim 1, wherein: The viscosity of the purple ceramic ink is 20-25 CPS.

8. A method for preparing the violet ceramic ink according to any one of claims 1 to 7, characterized in that: The method includes the following steps: mixing the solid raw materials, calcining, ball milling with water, drying, powdering, grinding after adding the solvent and the dispersant, and filtering to obtain the purple ceramic ink.

9. The method of claim 8, wherein the ceramic ink is purple. The calcining temperature is 1200-1400℃, and the calcining time is 2-8h.

10. The use of the purple ceramic ink of any one of claims 1-7 in daily-use porcelain.

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