CN115340785A - Stamp-pad ink of ceramic silica gel transfer printing ink - Google Patents
Stamp-pad ink of ceramic silica gel transfer printing ink Download PDFInfo
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- CN115340785A CN115340785A CN202210842175.1A CN202210842175A CN115340785A CN 115340785 A CN115340785 A CN 115340785A CN 202210842175 A CN202210842175 A CN 202210842175A CN 115340785 A CN115340785 A CN 115340785A
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- 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
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/106—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C09D11/107—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
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- 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
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
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- 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
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
- C09D11/037—Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
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- 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
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
- C09D11/103—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds of aldehydes, e.g. phenol-formaldehyde resins
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The invention provides stamp-pad ink of ceramic silica gel transfer printing ink, which comprises the following components: 80-120 parts of sodium polyacrylate-aluminum sol composite liquid, 10-15 parts of thermosetting phenolic resin, 3-5 parts of guar gum, 5-10 parts of triglycerol, 60-6 parts of span and 1.5-3 parts of castor oil. The printing ink prepared by the printing oil and the ceramic toner has balanced plate-sticking, adhesive and porcelain-sticking performance and plate-separating and glue-releasing performance, has high transfer printing speed and high precision, has better adaptability to the performance of ceramics including daily porcelain glaze, and basically has no influence of environmental temperature and humidity fluctuation on the transfer printing effect; the printing and firing ornamentation has the advantages of precise color, fine lines and clear edges.
Description
The invention is a divisional application of CN202111636243.0 (application date 2021.12.29, title of invention, "high-efficiency and accurate 3D soft silica gel transfer printing ink for daily porcelain and application thereof").
Technical Field
The invention belongs to the technical field of ceramic ink materials, and particularly relates to stamp-pad ink of ceramic silica gel transfer ink.
Background
The daily porcelain generally comprises porcelain related to dining, tea, kitchen and the like, and small daily utensils such as bowls, dishes, spoons, cups, kettles and the like mostly have three-dimensional surfaces. The surface ornamentation such as beautiful patterns, decorative patterns and characters is an important component element of most daily-use porcelain; the refinement of the surface texture is a main pursuit target of the middle-high grade daily porcelain.
In the production process of the household porcelain, the printing on glaze is the first step of forming surface texture, and the fineness and the precision degree of the printing are the premise of forming high-quality surface texture; on the premise of fine and accurate printing effect, whether high-quality surface textures can be obtained through conventional firing conditions of the household porcelain is also very critical.
The 3D soft silica gel transfer printing method is a common daily porcelain printing mode as one of the offset printing methods. The method comprises the steps of extruding a printed and printed ink pattern-coated plane such as a glass plate and a steel plate by using a 3D soft silica gel transfer head, adsorbing ink on the 3D soft silica gel, moving the 3D soft silica gel transfer head to a porcelain piece or a porcelain blank position for extrusion desorption, and transferring the ink pattern onto the three-dimensional surface of the porcelain blank or a biscuit porcelain piece; the 3D soft silica gel of transfer printing head is very big at printing ink absorption and rendition in-process period, and the deflection not only has the huge difference of the printing ink pattern before the rendition, after the rendition, and soft 3D soft silica gel contacts, breaks away from the process of plane, three-dimensional face also all is dynamic and goes on gradually. There are transfer effects and speed problems.
The daily porcelain usually adopts a one-time firing process of glazing green body, and a small amount of printing ink is generally printed on the surface of a larger amount of main glaze layer. In the temperature rise process from drying to firing after printing ink printing, the problems of the self strength of the printing and the binding power of the printing to the main glaze layer exist; in the high-temperature sintering process, the problems of mutual melting and mutual leaching and inconsistent shrinkage deformation exist between a small amount of printing and a large amount of main glaze layers, and certain requirements are also met for temperature-resistant ingredients of the printing; both have a significant impact on the firing quality of the print.
Therefore, higher quality requirements are put on the 3D soft silica gel transfer printing ink. In the prior art, the daily ceramic 3D soft silica gel transfer printing ink which can take the factors into consideration is few, or needs to be improved. On the other hand, some daily porcelain manufacturers usually purchase printing ink and mix with pigment to make the ink.
Disclosure of Invention
In order to solve the technical problems, the invention provides high-efficiency and accurate daily porcelain 3D soft silica gel transfer printing ink which is prepared by 100 parts by mass of printing oil and 60-120 parts by mass of ceramic toner; the stamp-pad ink comprises the following components: 80-120 parts of sodium polyacrylate-aluminum sol composite liquid, 10-15 parts of thermosetting phenolic resin, 3-5 parts of guar gum, 5-10 parts of triglycerol, 60-6 parts of span and 1.5-3 parts of castor oil.
The average diameter of the ceramic toner particles of the daily ceramic 3D soft silica gel transfer printing ink is preferably 0.3-3 mu m. The ceramic toner comprises a blue-black zirconia toner, a blue ceramic toner such as ZnFe 1.2 Cr 0.8 O 4 Reddish brown ceramic toners such as CoAl 2 O 4 Red-coated ceramic toner (chemical component of Cd-Se-Zr-Si or Cd-Se-S-Zr-Si), yellow-coated ceramic toner (chemical component of Cd-S-Zr-Si), cobalt black ceramic toner (chemical component of Co-Fe-Mn-Cr), and cobalt blue ceramic toner (cas number 1345-16-0), which are known and commonly used.
The daily porcelain 3D soft silica gel transfer printing ink preferably comprises the following components: 100 parts of sodium polyacrylate-aluminum sol composite liquid, 12 parts of thermosetting phenolic resin, 4 parts of guar gum, 8 parts of triglycerin, 60 parts of span and 2 parts of castor oil.
The daily porcelain 3D soft silica gel transfer printing ink can also be added with 0.05-0.2 part of defoaming agent such as polyoxyethylene polyoxypropylene amine ether, polyoxyethylene polyoxypropylene pentaerythritol ether and polyether-siloxane copolymer.
The daily porcelain 3D soft silica gel transfer printing ink is very stable at room temperature, and the contained thermosetting phenolic resin can prevent the biting of bacteria and insects without a preservative.
The daily porcelain 3D soft silica gel transfer printing ink disclosed by the invention can be prepared by a method comprising the following steps of:
(1) Firstly, preparing sodium polyacrylate-aluminum sol composite solution: in a stirring reactor, adding water, sodium polyacrylate and aluminum isopropoxide according to the mass ratio of 120:1.2-2:30-50 of burdening, adding sodium polyacrylate into normal temperature water, pulping to obtain glue solution, adding aluminum isopropoxide, pulping, reacting for 3-5 days, heating to 80-90 ℃, distilling under reduced pressure for 0.5-1h until no isopropanol remains and the concentration of aluminum-containing sol is 10-15m percent calculated by alumina, and cooling to room temperature;
(2) Preparing a thermosetting phenolic resin: in a stirring reactor, according to the mass ratio of a commercial aqueous solution (37-40 m%) of formaldehyde to formaldehyde, phenol and borax to anhydride, the mass ratio is 1.5-2.0:1:0.01 to 0.02, mixing the aqueous solution of formaldehyde and phenol, pulping, heating to 60 to 75 ℃, stirring for 10 to 20min, dropwise adding saturated aqueous solution of borax, heating to 85 to 90 ℃, maintaining the temperature condition, reacting for 2 to 3h, then carrying out reduced pressure distillation reaction at 85 to 90 ℃ for 1 to 2h until no formaldehyde, residual phenol and water content are 30 to 40m percent, and cooling to room temperature;
(3) Preparing stamp-pad ink: adding the sodium polyacrylate-aluminum sol composite liquid and the thermosetting phenolic resin into a mixing dispersion machine according to the proportion, and treating the mixture uniformly; adding triglycerin, span and guar gum, and treating until the mixture is dissolved and uniform; adding oleum ricini, mixing, and standing for 10-30 hr to obtain stamp-pad ink;
(4) Preparing ink: and adding the printing ink and the ceramic toner into a mixing dispersion machine according to the proportion, and treating the mixture until the mixture is uniform to obtain the printing ink.
In the preparation process of the sodium polyacrylate-aluminum sol composite solution in the step (1), the sodium polyacrylate provides alkalescence and anion suspension stable conditions for hydrolyzing aluminum isopropoxide to form an AlOOH intermediate and further performing dehydration polymerization to generate aluminum sol particles, and is the key for generating the aluminum sol with negative charges. In the prior art in the preparation of aluminium sols, no similar process is known. If the same amount of sodium polyacrylate and commercial alkaline aluminum sol are mixed uniformly and then mixed, the precision performance of the ink is poor, and the specially prepared sodium polyacrylate-aluminum sol composite liquid has a special effect. The sodium polyacrylate with approximate proportion is added with the acidic alumina sol, so that the sodium polyacrylate is difficult to compound into stable glue solution, the feed liquid is layered after being placed for 1 day, and the bottom layer is white aluminum-containing precipitate. The viscosity of the sodium polyacrylate-alumina sol composite liquid prepared in the step 1 is 1000-1200mPa.s.
The viscosity of the thermosetting phenolic resin prepared in the step (2) is 800-1000mPa.s, the average molecular weight is 700-900, polycondensation and curing reaction can be carried out at the temperature of 120-180 ℃, a solid phase phenolic resin high molecular long chain and a three-dimensional network with the molecular weight of more than 10000 are formed, the printing strength is obviously improved, and the effect of maintaining the printing strength and accurately preventing deformation is achieved before the decomposition and oxidation at 500 ℃ in the subsequent temperature rising process. When the borax dosage is too large, the molecular weight and viscosity of the phenolic resin are increased, but the plate-separating and gel-separating performance of the printing ink is poor, and the printing ink cannot be quickly and cleanly absorbed and transferred.
In the printing ink, the sodium polyacrylate and guar gum play roles of a toner dispersing agent and a thickening agent, wherein the guar gum has a large control effect on viscosity; the triglycerol is used for improving the plate-sticking viscose porcelain-sticking performance of the ink, and the castor oil is used for improving the plate-separating and glue-releasing performance of the ink; the function of the span 60 is mainly to adjust the surface tension.
The sodium polyacrylate-aluminum sol composite liquid and the thermosetting phenolic resin are found to have obvious interaction; in the preparation processes of the stamp-pad ink of examples 5-12 and comparative examples 4-7, the viscosity of the mixed stamp-pad ink can be increased to 1500-1600mPa.s, which is higher than that of the two, but the mixed solution of the two is very stable, and is stable and has no detectable change after being stored at room temperature for 3 months in a closed manner, and the stamp-pad ink and the ink can be further prepared.
The invention relates to high-efficiency and accurate 3D soft silica gel transfer printing ink for household porcelain, wherein a printed porcelain surface is a glazed and dried surface of the household porcelain, particularly a glazed and dried surface of a green blank, the thickness of the printing ink is 5-20 mu m, and the one-time firing temperature is 1150-1400 ℃. When the ink is transferred, the ink is printed on a flat steel plate and then transferred to a required glaze surface, and the time from the beginning of contact to the complete leaving of the steel plate and the time from the beginning of contact to the complete leaving of the glaze surface of the 3D soft silica gel are both 2-6s. The glaze applied to the green body comprises transparent glaze, milky opaque glaze and milky translucent glaze, and the roughness of the outer surface of the dried glaze is less than or equal to 8 mu m.
The daily ceramic 3D soft silica gel transfer printing oil and printing ink has the beneficial effects that:
1. the 3D soft silica gel transfer printing oil and printing ink for the household porcelain are very stable at room temperature, and the contained thermosetting phenolic resin can prevent the bacteria and the insects from biting without a preservative. The printing ink is uniformly stirred and placed for 3D (three-dimensional) soft silica gel transfer printing around 3 hours, and the precision of colors, patterns and lines of the decorations after the household porcelain is burned is not changed visually.
2. The printing ink has balanced plate-sticking viscose porcelain-sticking performance and plate-separating and glue-separating performance, can be quickly and cleanly adsorbed, transferred and transferred, and is high in transfer printing speed and high in precision.
3. The printing ink has moderate viscosity, cohesion and self-leveling effect, and the 3D soft silica gel transfer printing effect of the printing ink is basically not influenced by the fluctuation of ambient temperature and humidity.
4. The porcelain after transfer printing can obtain the ornamentation with accurate color, fine lines and clear edges after being fired at 1150-1400 ℃.
5. The ink has good adaptability to the performance of daily porcelain glaze.
The reasons why the daily porcelain 3D soft silica gel transfer printing oil and printing ink have the beneficial effects may include:
1. the sodium polyacrylate-aluminum sol composite liquid and guar gum jointly form an anion stable system, the compatibility is good, and the rest ingredients of triglycerin, span 60, castor oil and thermosetting phenolic resin are well mixed and dispersed in the anion stable system and are very stable. The sodium polyacrylate-aluminum sol composite liquid is the key of the performances of the stamp-pad ink and the printing ink. The thickening agent and the dispersing agent used in the daily porcelain glaze layer are mostly cheap and easily obtained anions, and the anion stabilizing system of the printing oil and the printing ink is combined with the thickening agent and the dispersing agent and is a factor for obtaining high-quality printing by transfer printing; the printing ink in the prior art usually does not pay much attention to the compatibility of main components such as a thickening agent, a dispersing agent and the like and a glaze layer material, so that the 3D transfer speed, the printing quality and the accurate effect of the texture obtained by firing are limited.
2. After printing with the ink, the ink marks can be dried automatically after being placed for 10-30min, and can be specially dried if necessary, so that the prints with the adhesive force and the strength reaching the standard can be formed; in the heating process of ceramic firing, the thermosetting phenolic resin is subjected to polycondensation reaction at 120-180 ℃ to form solid phase phenolic resin high molecular long chains and three-dimensional networks with molecular weight of more than 10000, the solid phase phenolic resin high molecular long chains and the three-dimensional networks are gradually decomposed and oxidized after being heated to 300 ℃, and the printing strength is maintained, the printing precision is ensured and the deformation is not caused until the solid phase phenolic resin is completely decomposed and oxidized at 500 ℃. The aluminum sol still has a bonding effect after printing and drying, but the bonding force is limited; starting to sinter and convert to alumina after 450 c, the contribution to the green strength starts to increase significantly, being the primary binder before the green enamel layer starts to develop strength, e.g. 1000 c. After 500 deg.C, the printing basically only contains toner, aluminium oxide and trace sodium oxide, so that it can obtain satisfactory printing and fired decorative effect on various glazes with different composition formulas. The volatilization and carbonization temperatures of guar gum, triglycerol, span 60 and castor oil are 250-300 ℃, the decomposition and oxidation loss is completely realized at 350 ℃, and then the contribution to the strength is lost; at the stage of 250-300 ℃, the triglycerin, the span 60 and the castor oil are in liquid states, and at the moment, the phenolic resin three-dimensional network can basically inhibit the liquid splashing of the triglycerin, the span 60 and the castor oil and the influence on the printing precision. The decomposition and carbonization temperature of the phenolic resin is 300-450 ℃, and the problem of melting/liquid splashing does not exist. The melting point of the toner is generally higher than that of the glaze, and the printing strength and the printing accuracy are basically maintained by the bonding action of alumina of the alumina sol after 500 ℃ until the glaze is melted; after the glaze is melted, the aluminum oxide with gradually reduced activity and gradually grown micro-particles limits the diffusion degree of the toner particles to the glaze layer to a certain extent, but does not influence the sintering of the printing and the glaze layer, and finally forms the glaze with better quality and accurate printing.
3. The daily porcelain 3D soft silica gel transfer printing oil has the beneficial effects that the daily porcelain 3D soft silica gel transfer printing oil is integrally obtained through the proportioning and preparation method, and the daily porcelain 3D soft silica gel transfer printing oil has a combined effect.
In the invention, the m% is mass percentage; the water includes deionized water, distilled water, and reverse osmosis pure water.
Detailed Description
The invention is further illustrated, but is not to be construed as being limited, by the following examples.
Example 1
The sodium polyacrylate-aluminum sol composite solution A is prepared by the following method: adding sodium polyacrylate into water at normal temperature in a stirring reactor, pulping to obtain a glue solution, adding aluminum isopropoxide, stirring and reacting for 4 days to generate a transparent light milky glue solution, heating to 80-85 ℃, distilling under reduced pressure for 1h until no isopropanol remains and the concentration of aluminum-containing sol is 12m percent calculated by alumina in a sampling test, and cooling to room temperature to obtain the sodium polyacrylate-aluminum sol composite solution A. The weight ratio of the ingredients is as follows, water, sodium polyacrylate and aluminium isopropoxide =120:1.3:30. the sodium polyacrylate is XM-500 of Zhejiang Chunhun media Biotech Co., ltd, and has a polymerization degree of 1200-1300. The purity of the aluminum isopropoxide is more than 99.9 percent.
The obtained sodium polyacrylate-aluminum sol composite solution A is transparent and light milky white, has the pH of 8.1, can be used for detecting the average particle diameter of aluminum sol by irradiating a visible clear light path with a fine beam of light, and is 10nm; the product is stored in a sealed condition for 3 months at room temperature and is stable without detectable change. The transparent light milky white glue solution before distilling the isopropanol has a normal temperature stabilization period of only about 15 days.
Example 2
A sodium polyacrylate-alumina sol complex solution B was prepared essentially as in example 1: adding sodium polyacrylate into normal temperature water in the same stirring reactor, pulping to obtain a glue solution, adding aluminum isopropoxide, stirring for 5 days to generate a transparent light milky glue solution, heating to 80-85 ℃, distilling under reduced pressure for 1h until no isopropanol remains and the concentration of aluminum-containing sol is 15m percent of alumina, and cooling to room temperature to obtain the sodium polyacrylate-aluminum sol composite solution B. The weight ratio of the ingredients is that water, sodium polyacrylate and aluminum isopropoxide =120:2: and (5) 50) preparing the materials.
The obtained sodium polyacrylate-aluminum sol composite liquid B is transparent, light milky white, has the pH value of 8.3, and has the average particle diameter of 8nm when a clear visible light path is irradiated by a thin beam of light; the product is stored in a sealed condition for 3 months at room temperature and is stable without detectable change. The transparent light milky white glue solution before the isopropanol distillation has a normal temperature stabilization period of about 18 days.
Comparative example 1
In the same stirred reactor as in example 1, water, aluminum isopropoxide =120:30, adding aluminum isopropoxide into normal-temperature water, dropwise adding 0.1mol/L sodium hydroxide aqueous solution to pH8.4, stirring and reacting for 5 days, wherein a transparent light milky white glue solution before distilling the isopropanol in the example 1 can not be generated, and immediately settling and layering after stopping stirring, so that aluminum sol can not be prepared; the pH of the reaction solution after 5 days was stirred to 8.3.
Comparative example 2
In the same stirred reactor as in example 1, water, aluminum isopropoxide =120:30, adding aluminum isopropoxide into normal-temperature water, stirring and reacting for 5 days, wherein a transparent light milky white glue solution before the isopropanol is distilled in the example 1 can not be generated, and immediately settling and layering can not be realized when stirring is stopped, so that the aluminum sol can not be prepared; the pH of the feed liquid in the reaction process is stirred to be 7.5-7.8.
Example 3
The thermosetting phenolic resin C was prepared as follows: in a stirred reactor, a commercial aqueous formaldehyde solution with a concentration of 37m% is calculated as formaldehyde, phenol and borax decahydrate are calculated as anhydride, and the mass ratio is 1.6:1:0.015, mixing the aqueous solution of formaldehyde and phenol, pulping, heating to 70 ℃, stirring for 15min, dropwise adding saturated aqueous solution of borax, heating to 85-90 ℃, maintaining the temperature condition for reaction for 3h, then carrying out reduced pressure distillation reaction at 85-90 ℃ for 1.5h until sampling detection shows that no formaldehyde exists, no phenol remains and the water content is about 35m%, and cooling to room temperature to obtain the thermal curing phenolic resin C.
The obtained thermosetting phenolic resin C is transparent light brown red; the product is stored for 3 months in a sealed and lightproof way at room temperature and is stable without visible change.
Example 4
A thermoset phenolic resin D was prepared essentially as in example 3: in a stirred reactor, a commercial aqueous formaldehyde solution with the concentration of 37m percent is calculated as formaldehyde, phenol and borax decahydrate are calculated as anhydride, and the mass ratio is 2.0:1:0.020, preparing a formaldehyde aqueous solution and phenol, pulping, heating to 70 ℃, stirring for 30min, dropwise adding a saturated aqueous solution of borax, heating to 85-90 ℃, maintaining the temperature condition for reaction for 2h, then carrying out reduced pressure distillation reaction for 1h at 85-90 ℃ until sampling detection shows that no formaldehyde, no phenol remains and water content is about 35m%, and cooling to room temperature to obtain the thermosetting phenolic resin D.
The obtained thermosetting phenolic resin D is transparent light brown red; the product is stored for 3 months in a sealed and lightproof way at room temperature and is stable without visible change.
Comparative example 3
The thermosetting phenol resin E was prepared essentially as in example 3, with the difference that the mass ratio of formaldehyde, phenol and anhydrous borax was changed to 1.6:1:0.03.
the obtained thermosetting phenolic resin E is transparent light brown red; the product is stored for 3 months in a sealed and lightproof way at room temperature and is stable without visible change.
Examples 5 to 12 and comparative examples 4 to 11
The stamp-pad ink of examples 5-12 and comparative examples 4-11 was prepared by using the prepared sodium polyacrylate-alumina sol complex solution A/B and the thermosetting phenolic resin C/D/E as the main raw materials, and adding guar gum, triglycerol, span, and castor oil, and the specific formulations are listed in Table 1. The guar gum is available from Rolmer Biotechnology GmbH, qingzhou under the designation HV-90 (5000-5500). Example 12 the defoamer used was ByK-011 Germany; the alumina sol used in comparative example 11 was an alkaline alumina sol product of Dalisno New chemical materials science and technology, inc., having a trade name of A-10, pH7.7, colloidal particle diameter 10nm, concentration 13m% based on alumina.
The preparation method of each stamp-pad ink comprises the following steps: adding sodium polyacrylate-aluminum sol composite liquid and thermosetting phenolic resin in a micro shearing dispersion machine according to a required ratio, and treating for 10min to be uniform; adding triglycerin, span and guar gum, and treating for 3h until the mixture is dissolved and uniform; adding oleum ricini, treating for 30min, mixing, standing, and homogenizing for 15 hr to obtain stamp-pad ink.
In comparative example 11, 1.3g of sodium polyacrylate is added into 98.7g of alumina sol, the mixture is stirred uniformly and placed in a closed manner, the mixture is stirred once every 2 hours, and the mixture is uniform and colloidal after 24 hours and has the pH value of 8.4; the mixed colloid is stable and has no visible change after being stored in a closed shading mode for 30 days at room temperature, but solid matters appear after 40 days.
TABLE 1 specific compounding ratio of stamp-pad ink in examples 5-12 and comparative examples 4-11, unit g
About 10g of each of the stamp-pad inks prepared in examples 5 to 12 was placed in a glass test tube and stored in a closed state at room temperature in a dark place for 3 months with no visible change.
Comparative example 12
Adding 83g of water into a micro shearing dispersion machine, heating to 80 ℃, adding 11g of guar gum, 5g of propylene glycol and 0.5g of hydroxyl-terminated polydimethylsiloxane (viscosity is 400mPa.s, namely 400 cps), and treating until the guar gum, the propylene glycol and the hydroxyl-terminated polydimethylsiloxane are completely dissolved; and then adding 1g of sodium tripolyphosphate, 20 g of tween, 0.05g of polyoxyethylene polyoxypropylene ether and 0.25g of methyl p-hydroxybenzoate, uniformly treating, cooling, and standing for 15h to obtain the stamp-pad ink of the comparative example.
Example 13
50g of each of the inks prepared in examples 5 to 12 and comparative examples 4 to 12 was mixed with 50g of a blue ceramic toner (average diameter 1.5 μm, chemical composition ZnFe) 1.2 Cr 0.8 O 4 ) And processed in a two-roll blender for 60 minutes to make 17 blue inks.
50g of the stamp-pad ink prepared in example 6 was mixed with 50g of a reddish brown ceramic toner (average diameter 1.8 μm, chemical component CoAl) 2 O 4 ) And processed in a two-roll mixer for 60 minutes to make a reddish-brown ink.
50g of the ink prepared in example 9 was taken, and 55g of coated red ceramic toner (average diameter 2.2 μm, chemical composition Cd-Se-S-Zr-Si) was dispensed and treated in a two-roll mixer for 60 minutes to prepare a large red ink.
Printing experiments are carried out on the outer surface of a bowl of porcelain blank coated with transparent glaze and dried by a set of 3D soft silica gel transfer printing equipment, and 20 pieces of 10 kinds of printing ink prepared from printing oil of examples 5-12 and 10 pieces of printing ink prepared from 9 kinds of printing ink prepared from printing oil of comparative examples 4-12 are printed respectively. Printing process: printing ink is printed on a plane steel plate firstly and then is transferred to the outer glaze surface of the inverted bowl blank, the time from the beginning of contact to the complete leaving of the steel plate of the 3D soft silica gel is 3.6s, and the time from the beginning of contact to the complete leaving of the bottom surface of the bowl blank is 3.3s; example 12 ink prepared from stamp-pad ink transfer, 3D soft silicone rubber from initial contact to complete removal from the steel plate for 3.2 seconds, and from initial contact to complete removal from the bottom surface of the bowl blank for 2.9 seconds.
Printing experiments were carried out on the outer surface of the same bowl after being coated with opalescent glaze and dried, and 20 prints of each of 10 inks prepared in accordance with examples 5 to 12 and 10 prints of each of 9 inks prepared in accordance with comparative examples 4 to 12 were printed, respectively. The printing process is also as follows: printing ink is printed on a plane steel plate firstly and then is transferred to the outer glaze surface of the inverted bowl blank, the time from the beginning of contact to the complete leaving of the 3D soft silica gel on the steel plate is 3.6s, and the time from the beginning of contact to the complete leaving of the bottom surface of the bowl blank is 4.1s; example 12 ink preparation ink transfer printing, 3D soft silicone rubber from initial contact to complete removal of the steel plate for 3.2s and from initial contact to complete removal of the bowl base for 3.8s.
Printing experiments were carried out on the outer surface of the same porcelain bowl after being coated with a translucent glaze and dried, 50 prints of 10 inks prepared in accordance with examples 5 to 12 and 10 prints of 9 inks prepared in accordance with comparative examples 4 to 12, respectively. The printing process is also as follows: printing ink is printed on a plane steel plate firstly and then is transferred to the outer glaze surface of the inverted bowl blank, the time from the beginning of contact to the complete leaving of the steel plate of the 3D soft silica gel is 3.6s, and the time from the beginning of contact to the complete leaving of the bottom surface of the bowl blank is 3.8s; example 12 ink prepared from stamp-pad ink transfer, 3D soft silicone rubber from initial contact to complete removal from the steel plate for 3.2 seconds, and from initial contact to complete removal from the bottom surface of the bowl blank for 3.5 seconds.
The transfer printing of the above printing inks adopts the same plane steel plate, and the printing thickness of the printing inks is 8-12 mu m; the design pattern of the transfer printing comprises: the bowl is characterized in that the bowl comprises two flower branch and leaf complex patterns on the outer side surface of the bowl, the name of a five-character company on the bottom plane of the bowl is short, and the five-character company is a trademark, and the flower branch and leaf patterns and the trademark comprise thin lines with the total length of more than 180mm and the width of 0.30 +/-0.02 mm. The roughness of the outer surface of the bowl porcelain blank coated with the transparent glaze, the milky opaque glaze and the milky semitransparent glaze after being dried is less than or equal to 8 mu m. The ink marks on the porcelain piece after transfer printing can be dried by self after being placed for 20min, and then the porcelain piece is continuously sintered in an oxidizing atmosphere kiln at the temperature of 1270 ℃.
The printing ink prepared by the printing ink of the embodiment 5-12 has complete lines, patterns and characters, accurate color, fine lines, clear edges and no loss after printing and firing, and meets the requirements of adhesion, strength and gloss; the surface of the fired texture is smooth and soft, the hand touch does not have a convex sense, the friction resistance is realized, the texture and the glaze layer are in a better fusion state, the width of the flower branch and leaf pattern, the width of the thin line contained in the character and the mark is 0.30 +/-0.04 mm, the width of the thin line is almost the same through visual observation, the quality of the glaze layer and the texture reaches a high-grade or above level, and the fired texture prepared by the printing ink in the example 6 reaches a quality super-grade level.
The inks prepared by the printing oil of the comparative examples 4, 5 and 10 have poor plate-separating and gel-separating performance, the obtained prints and the fired decorations have multiple defects, and the flower branch and leaf patterns, the characters and the thin lines contained in the marks have obvious multiple differences in width and defects.
The ink prepared by the printing oil of the comparative example 6 has poor performance of adhering plate, adhering glue and adhering porcelain, the obtained printing and the fired ornamentation have a plurality of defects, and the flower branch and leaf patterns, the characters and the thin lines contained in the marks have obvious a plurality of differences and defects in width.
Comparative example 7 the ink prepared from the stamp-pad ink was thinner, and the patterns of the flower branches and leaves and the fine lines contained in the characters and marks of the obtained prints and the postbaked ornamentations had obvious differences in width at a plurality of positions.
The printing ink prepared by the printing ink of the comparative example 8 has complete printed lines, patterns and characters, accurate color, fine lines, clear edges and no loss; but the fine lines of the texture after the firing have a plurality of defects.
The printing ink prepared by the printing ink of the comparative example 9 has complete printed lines, patterns and characters, accurate color, fine lines, clear edges and no loss; however, the decoration is not accurate enough after firing, and the thin lines are deformed and widened at a plurality of positions.
Example 14
200kg of stamp-pad ink was prepared by industrial equipment according to the formulation and method of example 6; 80kg of printing oil is taken to be mixed with 80kg of blue ceramic toner ZnFe with the average diameter of 1.5 mu m 1.2 Cr 0.8 O 4 And treating in an industrial double-roller mixer for 10 hours to prepare blue ink; 120kg of stamp-pad ink is mixed with 130kg of the red-wrapped ceramic toner (average diameter is 2.2 mu m, chemical component Cd-Se-S-Z)r-Si) and processed in an industrial two-roll blender for 10h to produce a bright red ink.
The resulting blue ink and the resulting reddish ink were sampled separately, and transferred to 50 pieces of 300 pieces of flat steel plates by the transfer apparatus and method of example 13, to which were applied clear glaze, opal opaque glaze, opal translucent glaze and dried bowl porcelain blanks, respectively, and were fired continuously in the 1270 ℃ oxidizing atmosphere kiln. Results the corresponding experimental results of example 13 were completely repeated.
The obtained blue ink and the red ink are delivered to customers for use. The customer uses the two kinds of ink for 3D soft silica gel transfer printing on the outer surface of a glazed porcelain blank of a complete set of tableware such as bowls and dishes, and the like, wherein 50 pieces of ink are printed in summer at the room temperature of 25-30 ℃ in a workshop, and 20 pieces of ink are printed in winter at the room temperature of 15-20 ℃ in the workshop; the glaze type, the proportion, the roughness, the 3D soft silica gel transfer printing condition and the primary firing condition are basically the same as those in the embodiment 13, and the main difference is that the design of the printed pattern is different.
The effect of the ink used by the customer comprises: the patterns and decorations obtained after printing and burning can also achieve the aims of complete lines, patterns and characters, accurate color, fine lines, clear edges and no loss, and the design aesthetic feeling and the purpose are all achieved; the surface of the fired ornamentation is smooth and soft, no convex feeling is felt by hands, the ornamentation is friction-resistant, the ornamentation and the glaze layer are in a better fusion state, the characters and trademarks are clear, the lines are continuous and natural, and the quality of the glaze layer and the ornamentation all reach the level of the superior grade or above.
Claims (6)
1. The stamp-pad ink for the ceramic silica gel transfer printing ink is characterized by comprising the following components in parts by mass: 80-120 parts of sodium polyacrylate-aluminum sol composite liquid, 10-15 parts of thermosetting phenolic resin, 3-5 parts of guar gum, 5-10 parts of triglycerol, 60-6 parts of span and 1.5-3 parts of castor oil;
the preparation method comprises the following steps:
(1) Preparing sodium polyacrylate-aluminum sol composite solution: in a stirring reactor, adding water, sodium polyacrylate and aluminum isopropoxide according to the mass ratio of 120:1.2-2:30-50 of burdening, adding sodium polyacrylate into normal temperature water, pulping to obtain glue solution, adding aluminum isopropoxide, pulping, reacting for 3-5 days, heating to 80-90 ℃, distilling under reduced pressure for 0.5-1h until no isopropanol remains and the concentration of aluminum-containing sol is 10-15m percent calculated by alumina, and cooling to room temperature;
(2) Preparing a thermosetting phenolic resin: in a stirring reactor, according to the mass proportion of 37-40m% of formaldehyde aqueous solution calculated by formaldehyde, phenol and borax calculated by anhydride, 1.5-2.0:1:0.01 to 0.02, mixing the aqueous solution of formaldehyde and the phenol, pulping, heating to 60 to 75 ℃, stirring for 10 to 20min, dropwise adding the saturated aqueous solution of borax, heating to 85 to 90 ℃, maintaining the temperature condition for reaction for 2 to 3h, then carrying out reduced pressure distillation reaction at 85 to 90 ℃ for 1 to 2h until no formaldehyde, residual phenol and water content are 30 to 40m percent, and cooling to room temperature;
(3) Preparing stamp-pad ink: adding the sodium polyacrylate-aluminum sol composite liquid and the thermosetting phenolic resin in the mixing disperser, and treating to be uniform; adding triglycerol, span and guar gum, and treating until the components are dissolved and uniform; adding oleum ricini, and mixing to obtain stamp-pad ink.
2. The stamp-pad ink of the ceramic silica gel transfer ink of claim 1, comprising the following components: 100 parts of sodium polyacrylate-aluminum sol composite liquid, 12 parts of thermosetting phenolic resin, 4 parts of guar gum, 8 parts of triglycerin, 60 parts of span and 2 parts of castor oil.
3. The stamp-pad ink of the ceramic silica gel transfer ink according to claim 1, wherein 0.05 to 0.2 parts of one of polyoxyethylene polyoxypropylene amine ether, polyoxyethylene polyoxypropylene pentaerythritol ether, and polyether-siloxane copolymer is further added.
4. The printing ink of ceramic silica gel transfer ink as claimed in claim 1, wherein the ink is further formulated with ceramic toner comprising blue-black zirconia pigment, blue ceramic pigment ZnFe 1.2 Cr 0.8 O 4 Reddish brown ceramic pigment CoAl 2 O 4 The coating red ceramic toner, the coating yellow ceramic toner, the coating cobalt black ceramic toner or the coating cobalt blue ceramic toner.
5. The printing oil of the ceramic silica gel transfer printing ink according to claim 4, wherein the printing ink is further prepared to transfer printing, the printing porcelain surface is a dried glazed surface of a green body of a daily porcelain, the printing thickness is 5-20 μm, and the one-time firing temperature is 1150-1400 ℃.
6. The stamp-pad ink of a ceramic-silica gel transfer ink of claim 5, wherein the glaze applied to the green body comprises a transparent glaze, a milky-white opaque glaze, and a milky-white translucent glaze, and the roughness of the outer surface of the glaze after drying is less than or equal to 8 μm.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102838716A (en) * | 2011-06-21 | 2012-12-26 | 中州大学 | Preparation method of boron modified phenolic resin for carbon/carbon composite material |
| CN104194484A (en) * | 2014-07-28 | 2014-12-10 | 蚌埠首创滤清器有限公司 | High-glossiness amino resin printing ink containing spherical silver powder |
| CN107699041A (en) * | 2017-10-23 | 2018-02-16 | 中科院广州化学有限公司南雄材料生产基地 | A kind of household china silica gel stamp-pad ink and household china silica gel ink and preparation method thereof |
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| CN104628021B (en) * | 2015-02-05 | 2016-06-08 | 北京工商大学 | A kind of preparation method of functional Alumina gel monomer |
| CN108854870A (en) * | 2017-05-11 | 2018-11-23 | 北京化工大学 | A kind of preparation method of high purity silicon Aluminum sol |
| CN108993841A (en) * | 2018-09-01 | 2018-12-14 | 张家港市东威新材料技术开发有限公司 | A kind of preparation method of wear-resisting type alumina composite material |
| CN109503785B (en) * | 2018-12-03 | 2021-12-07 | 上海应用技术大学 | Alkali-resistant boron-modified phenolic resin and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102838716A (en) * | 2011-06-21 | 2012-12-26 | 中州大学 | Preparation method of boron modified phenolic resin for carbon/carbon composite material |
| CN104194484A (en) * | 2014-07-28 | 2014-12-10 | 蚌埠首创滤清器有限公司 | High-glossiness amino resin printing ink containing spherical silver powder |
| CN107699041A (en) * | 2017-10-23 | 2018-02-16 | 中科院广州化学有限公司南雄材料生产基地 | A kind of household china silica gel stamp-pad ink and household china silica gel ink and preparation method thereof |
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