Fireable ceramic adhesive and its application

Abstract

The present invention relates to adhesives, and more particularly to a sinterable ceramic adhesive and its application. The sinterable ceramic adhesive, made from glazed fruit stone, glass white, and a silicate solvent, effectively bonds crystal and ceramics after firing. The adhesive can also be used in ceramic containers for food. The sinterable ceramic adhesive can be used to sinter the bottom of a crystal into the ceramic glaze, preventing it from falling off even in non-violent collisions.

Description

Technical Field

[0001] The present invention relates to an adhesive, in particular to a sinterable ceramic adhesive and applications thereof. Background Art

[0002] Bonding ceramics to other hard materials has always been a challenge in the ceramics industry. Existing gemstone-ceramic bonding methods typically use glue, but this glue can easily peel and yellow over time. Furthermore, this glue may contain toxic substances and should not be used on ceramic containers containing food.

[0003] At present, how to burn crystal particles onto ceramics and maintain long-term stability is a technical problem that needs to be solved urgently. Summary of the Invention

[0004] Based on this, the present invention provides a sinterable ceramic adhesive and its application, which at least solves one problem in the prior art.

[0005] In a first aspect, the present invention provides a sinterable ceramic adhesive comprising glaze stone, glass white and a silicate solvent, wherein the mass ratio of the glaze stone to the glass white is 1:(2-4), and the mass ratio of the glaze stone to the silicate solvent is 1:(1-100).

[0006] In a second aspect, the present invention provides the use of the sinterable ceramic adhesive in bonding crystal and ceramics.

[0007] In a third aspect, the present invention provides a method for bonding crystal and ceramics, comprising the following steps:

[0008] Cut grooves on the fired ceramic white body;

[0009] placing the sinterable ceramic adhesive in the groove;

[0010] placing a crystal in the tank so that the crystal contacts the sinterable ceramic adhesive;

[0011] The sintered ceramic binder is cured by firing at 800-1200°C.

[0012] Due to the adoption of the above technical solution, the embodiments of the present invention have at least the following beneficial effects:

[0013] (1) The fired ceramic adhesive is made of glazed fruit stone, glass white and silicate solvent. After firing, it has a good bonding effect on crystal and ceramics. It can also be used for ceramic containers for holding food.

[0014] (2) The bottom of the crystal can be fired into the ceramic glaze using a sinterable ceramic adhesive, achieving the effect of not falling off in non-violent collisions. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a photo of the crystal and ceramic bonded using a ceramic adhesive without adding glass white in Comparative Example 3.

[0016] Figure 2 This is a photograph of crystal and ceramic bonded using a sinterable ceramic adhesive with added glass white in Example 4 of the present invention.

[0017] Figure 3 This is a photo of crystal and ceramic bonded with ceramic adhesive containing silk white in Comparative Example 4. DETAILED DESCRIPTION

[0018] The following is a clear and complete description of the concept of the present invention and the technical effects produced, so as to fully explain the purpose, scheme and effects of the present invention.

[0019] In order to achieve the bonding between crystal and ceramics and achieve good bonding effect, the present invention provides a sinterable ceramic adhesive and its application.

[0020] In a first aspect, the present invention provides a sinterable ceramic adhesive comprising glaze stone, glass white and a silicate solvent, wherein the mass ratio of the glaze stone to the glass white is 1:(2-4), and the mass ratio of the glaze stone to the silicate solvent is 1:(0.5-100).

[0021] Glazed fruit stone and glass white are both non-toxic ceramic raw materials, ensuring food-grade safety. Silicate solvent, a mixture of silicates and water, is also a safe and reliable material. The ceramic adhesive formed by the combination of glazed fruit stone, glass white, and silicate solvent, after curing at high temperatures, possesses high strength, capable of firmly bonding crystal and ceramic.

[0022] In some optional embodiments, the mass ratio of the glaze stone to the glass white is 1:3. At this ratio, the cured ceramic adhesive has the maximum tensile strength.

[0023] In some optional embodiments, the mass ratio of the glaze fruit stone to the silicate solvent is 1:2.

[0024] In some optional embodiments, the glaze fruit stone is formed by mixing the following raw materials in parts by weight: 12-17 parts quartz, 8-12 parts feldspar, 12-17 parts calcite, 3-7 parts sericite, 12-17 parts zirconium silicate, 3-7 parts alumina, 28-32 parts kaolin, 1-3 parts magnesium oxide, 0.5-1.5 parts fluorite, 0.5-1.5 parts silicon dioxide, and 3-7 parts large ball clay. Preferably, the glaze fruit stone is formed by mixing the following raw materials in parts by weight: 15 parts quartz, 10 parts feldspar, 15 parts calcite, 5 parts sericite, 15 parts zirconium silicate, 5 parts alumina, 30 parts kaolin, 2 parts magnesium oxide, 1 part fluorite, 1 part silicon dioxide, and 5 parts large ball clay.

[0025] In some optional embodiments, the glass white is formed by mixing the following raw materials in parts by weight: 1-3 parts of lead tetroxide, 90-110 parts of quartz, 8-12 parts of potassium nitrate, and 0.5-1.5 parts of arsenic oxide. Preferably, the glass white is formed by mixing the following raw materials in parts by weight: 2 parts of lead tetroxide, 100 parts of quartz, 10 parts of potassium nitrate, and 1 part of arsenic oxide.

[0026] In some optional embodiments, the silicate solvent is formed by mixing the following raw materials in parts by weight: 8-12 parts sodium silicate, 6-10 parts lithium silicate, 1-3 parts potassium silicate, 8-12 parts aluminum silicate, 0.5-1.5 parts barium silicate, and 90-110 parts water. Preferably, the silicate solvent is formed by mixing the following raw materials in parts by weight: 10 parts sodium silicate, 8 parts lithium silicate, 2 parts potassium silicate, 10 parts aluminum silicate, 1 part barium silicate, and 100 parts water.

[0027] In a second aspect, the present invention provides the use of the sinterable ceramic adhesive in bonding crystal and ceramics.

[0028] In a third aspect, the present invention provides a method for bonding crystal and ceramics, comprising the following steps:

[0029] Cut grooves on the fired ceramic white body;

[0030] placing the sinterable ceramic adhesive in the groove;

[0031] placing a crystal in the tank so that the crystal contacts the sinterable ceramic adhesive;

[0032] The sintered ceramic binder is cured by firing at 800-1200°C.

[0033] Firing the ceramic base and creating the grooves are well known to those skilled in the art and will not be elaborated upon here. The shape of the grooves is determined by the shape of the crystal. When a sinterable ceramic adhesive is placed within the grooves, the inner walls of the grooves can be completely coated with the adhesive. Once the crystal is placed within the grooves, the sinterable ceramic adhesive is present between the crystal and the inner walls of the grooves. After firing at 800-1200°C, the sinterable ceramic adhesive solidifies, firmly bonding the crystal to the inner walls of the grooves.

[0034] In some optional embodiments, the ceramic adhesive is cured by firing at 800-850° C. Preferably, the ceramic adhesive is cured by firing at 850° C.

[0035] Some typical embodiments are described below.

[0036] In the following examples and comparative examples, glaze fruit stone was prepared by mixing 15 kg of powdered quartz, 10 kg of feldspar, 15 kg of calcite, 5 kg of sericite, 15 kg of zirconium silicate, 5 kg of aluminum oxide, 30 kg of kaolin, 2 kg of magnesium oxide, 1 kg of fluorite, 1 kg of silicon dioxide, and 5 kg of large ball clay. After grinding for 48 hours, 1 L of camphor oil was added and stirred until fully dissolved to obtain glaze fruit stone. Glass white was prepared by mixing 2 kg of powdered lead tetroxide, 100 kg of quartz, 10 kg of potassium nitrate, and 1 kg of arsenic oxide to obtain glass white. A silicate solvent was prepared by mixing 10 kg of sodium silicate, 8 kg of lithium silicate, 2 kg of potassium silicate, 10 kg of aluminum silicate, 1 kg of barium silicate, and 100 kg of water to obtain a silicate solvent.

[0037] Example 1:

[0038] Mix 1 kg of glazed fruit stone with 3 kg of glass white and 2 kg of silicate solvent to obtain a sinterable ceramic adhesive.

[0039] Example 2:

[0040] Mix 1 kg of glazed fruit stone with 2 kg of glass white and 2 kg of silicate solvent to obtain a sinterable ceramic adhesive.

[0041] Example 3:

[0042] Mix 1 kg of glazed fruit stone with 4 kg of glass white and 2 kg of silicate solvent to obtain a sinterable ceramic adhesive.

[0043] Comparative Example 1:

[0044] Mix 1 kg of glaze stone with 2 kg of silicate solvent to obtain a ceramic adhesive.

[0045] Comparative Example 2:

[0046] 1 kg of glazed fruit stone was mixed with 3 kg of silk white and 2 kg of silicate solvent to obtain a ceramic adhesive. The silk white was prepared by mixing 2 kg of zinc oxide, 75 kg of quartz, 7 kg of titanium dioxide and 1 kg of arsenic oxide to obtain the silk white.

[0047] Example 4:

[0048] First, use a sandpaper head with a mesh size of 10,000 or above to slowly create a crystal groove on the fired ceramic white body, inject the sinterable ceramic adhesive of Example 1 into the crystal groove, then place the crystal into the crystal groove, and then use a mechanical arm to fix the crystal. After firing to 850°C and slowly cooling, the crystal and ceramic can be bonded together.

[0049] Example 5:

[0050] First, use a sandpaper head with a mesh size of 10,000 or above to slowly make a crystal groove on the fired ceramic white body, inject the sinterable ceramic adhesive of Example 2 into the crystal groove, then place the crystal into the crystal groove, and then use a mechanical arm to fix the crystal. After firing to 850°C and slowly cooling, the crystal and ceramic can be bonded together.

[0051] Example 6:

[0052] First, use a sandpaper head with a mesh size of 10,000 or above to slowly make a crystal groove on the fired ceramic white body, inject the sinterable ceramic adhesive of Example 3 into the crystal groove, then place the crystal into the crystal groove, and then use a mechanical arm to fix the crystal. After firing to 850°C and slowly cooling, the crystal and ceramic can be bonded together.

[0053] Comparative Example 3:

[0054] First, use a sandpaper head with a mesh size of 10,000 or above to slowly make a crystal groove on the fired ceramic white body, inject the ceramic adhesive of Comparative Example 1 into the crystal groove, then place the crystal into the crystal groove, and then use a mechanical arm to fix the crystal. After firing to 850°C and slowly cooling, the crystal and ceramic can be bonded together.

[0055] Comparative Example 4:

[0056] First, use a sandpaper head with a mesh size of 10,000 or above to slowly make a crystal groove on the fired ceramic white body, inject the ceramic adhesive of Comparative Example 2 into the crystal groove, then place the crystal into the crystal groove, and then use a mechanical arm to fix the crystal. After firing to 850°C and slowly cooling, the crystal and ceramic can be bonded together.

[0057] Example 7:

[0058] First, use a sandpaper head with a mesh size of 10,000 or above to slowly make a crystal groove on the fired ceramic white body, inject the sinterable ceramic adhesive of Example 1 into the crystal groove, then place the crystal into the crystal groove, and then use a mechanical arm to fix the crystal. After firing to 800°C and slowly cooling, the crystal and ceramic can be bonded together.

[0059] like Figure 1 As shown, in Comparative Example 3, a ceramic adhesive without glass white was used. After firing at 850°C, the color of the connection between the crystal and the ceramic (the dragon's eyes) turned yellow, which was significantly different from the color of the ceramic white body. The connection was also obviously granular and felt uneven to the touch. Figure 2As shown, Example 4 uses a sinterable ceramic adhesive with glass white added. After firing at 850°C, the color of the crystal and ceramic connection part (dragon's eyes) is close to the color of the ceramic white body, and the connection surface is smooth and close to the glaze, which greatly improves the aesthetics. Figure 3 As shown, when comparative example 4 used the addition of silk white (the main component is similar to glass white, but the proportion is different), after firing at 850°C, the color of the connecting part was too white and had no glossiness.

[0060] The tensile test method is used to test the degree of adhesion between ceramics and crystals. The specific operation is as follows: after connecting the ceramics and crystals with different ceramic adhesives, the ceramics are fixed, one end of the wire is used to cover the crystal, and the other end of the wire is connected with a dynamometer. Then, the maximum value of the tensile force applied by the dynamometer is used to evaluate the bonding strength. In Example 4, the ratio of glaze fruit stone to glass white in the sinterable ceramic adhesive used is 1:3. When the tensile force is 18kg, the crystal falls off. In Example 5, the ratio of glaze fruit stone to glass white in the sinterable ceramic adhesive used is 1:2. When the tensile force is 5kg, the crystal falls off. In Example 6, the ratio of glaze fruit stone to glass white in the sinterable ceramic adhesive used is 1:4. When the tensile force is 11kg, the crystal falls off. It can be seen that when the ratio of glaze fruit stone to glass white in the sinterable ceramic adhesive is 1:3, the bonding strength is maximum.

[0061] In addition, it can be seen from the test results of Example 4 and Example 7 that the tensile force at a firing temperature of 850°C is greater than the tensile force at a firing temperature of 800°C.

[0062] The above description is merely a preferred embodiment of the present invention. The present invention is not limited to the above-described embodiments. Any method that achieves the technical effects of the present invention by the same or equivalent means shall fall within the scope of protection of the present invention. Within the scope of protection of the present invention, various modifications and variations of the technical solutions and / or implementation methods are possible.

Claims

1. A sinterable ceramic adhesive for bonding crystal and ceramics, characterized in that: It includes glaze fruit stone, glass white and silicate solvent, wherein the mass ratio of the glaze fruit stone to the glass white is 1:3, and the mass ratio of the glaze fruit stone to the silicate solvent is 1:(0.5-100); The glaze fruit stone is prepared by mixing the following raw materials in parts by weight: 12-17 parts of quartz, 8-12 parts of feldspar, 12-17 parts of calcite, 3-7 parts of sericite, 12-17 parts of zirconium silicate, 3-7 parts of aluminum oxide, 28-32 parts of kaolin, 1-3 parts of magnesium oxide, 0.5-1.5 parts of fluorite, 0.5-1.5 parts of silicon dioxide, and 3-7 parts of large ball mud; The glass white is prepared by mixing the following raw materials in parts by weight: 1-3 parts of lead tetroxide, 90-110 parts of quartz, 8-12 parts of potassium nitrate, and 0.5-1.5 parts of arsenic oxide; The silicate solvent is prepared by mixing the following raw materials in parts by weight: 8-12 parts of sodium silicate, 6-10 parts of lithium silicate, 1-3 parts of potassium silicate, 8-12 parts of aluminum silicate, 0.5-1.5 parts of barium silicate, and 90-110 parts of water.

2. The sinterable ceramic adhesive according to claim 1, characterized in that The glaze fruit stone is prepared by mixing the following raw materials in parts by weight: 15 parts of quartz, 10 parts of feldspar, 15 parts of calcite, 5 parts of sericite, 15 parts of zirconium silicate, 5 parts of aluminum oxide, 30 parts of kaolin, 2 parts of magnesium oxide, 1 part of fluorite, 1 part of silicon dioxide, and 5 parts of large ball mud.

3. The sinterable ceramic adhesive according to claim 1, wherein The silicate solvent is prepared by mixing the following raw materials in parts by weight: 10 parts of sodium silicate, 8 parts of lithium silicate, 2 parts of potassium silicate, 10 parts of aluminum silicate, 1 part of barium silicate, and 100 parts of water.

4. Use of the sinterable ceramic adhesive according to claim 1 in bonding crystal and ceramics.

5. A method for bonding crystal and ceramics, characterized in that: The following steps are involved: Cut grooves on the fired ceramic white body; placing the sinterable ceramic adhesive according to any one of claims 1 to 3 in the groove; placing a crystal in the tank so that the crystal contacts the sinterable ceramic adhesive; The sintered ceramic binder is cured by firing at 800-1200°C.

6. The method according to claim 5, characterized in that The sintered ceramic binder is cured by firing at 800-850°C.

7. The method according to claim 6, characterized in that Firing at 850° C. cures the sinterable ceramic binder.

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