CN113248282B - Rock plate with comfortable human body touch feeling and preparation method thereof - Google Patents
Rock plate with comfortable human body touch feeling and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a rock plate with comfortable human body touch feeling, which is prepared from the following raw materials in parts by weight: follow supreme body layer, the glazed layer of including down, the glazed layer forms through spouting rock plate frit sintering at 1280~1310 ℃, glazed layer spraying volume is 250~500g/m2The rock plate glaze is prepared by mixing the following raw materials: mullite, dolomite, clinker, quartz powder, modified sepiolite powder, modified vermiculite powder, alumina, expanded perlite, calcium silicate, calcium oxide, calcium phosphate, borax and boron trioxide. The glaze of the rock plate is smooth, fine and smooth, and the rock plate cannot feel cold when being touched, so that the rock plate has good comfortable touch feeling of a human body; the rock plate glaze is sprayed on the blank layer, and sintering is carried out at the accurate temperature of 1280-1310 ℃, so that the rock plate with smooth and fine surface and comfortable touch feeling of a human body is obtained.
Description
Technical Field
The invention relates to the technical field of rock plates, in particular to a rock plate with comfortable human body touch and a preparation method thereof.
Background
The rock plate is mainly used in the field of household and kitchen plates. Compared with other household products, the rock plate household has the characteristics of large specification, strong plasticity, various colors and the like.
The sense of touch is one of the skin sensations, whose formation relies on the tactile receptors that are distributed over the surface of the human skin. People feel different tactile feelings brought to our by the surrounding environment by touching and contacting an object, and the tactile feelings are directly transmitted to the brain to excite different tactile emotions, so that pleasure and excitement can be brought to the comfortable tactile feelings.
When the hand is in contact with the rock plate product, there is a corresponding tactile sensation, which is generally felt: the rock plate is rough or smooth, has cold contact feeling or temperature, is flat or not flat, fine or not fine, is smooth, flat and fine, can make people feel comfortable when the people touch the rock plate without feeling cold, and can effectively solve the problem of cold rock plate touch by reducing the heat conductivity coefficient. Therefore, how to develop a rock plate having a comfortable tactile sensation to the human body has become an urgent problem to be solved.
Disclosure of Invention
The invention provides a rock plate with human body comfortable touch feeling and a preparation method thereof.
The invention adopts the following technical scheme for solving the technical problems:
a rock plate with a comfortable human body touch feeling is prepared from the following raw materials in parts by weight: follow supreme body layer, the glazed layer of including down, the glazed layer forms through spouting rock plate frit sintering at 1280~1310 ℃, glazed layer spraying volume is 250~500g/m2，
The rock plate glaze is prepared by mixing the following raw materials in parts by weight: 25-35 parts of mullite, 13-18 parts of dolomite, 10-15 parts of frit, 8-13 parts of quartz powder, 6-10 parts of modified sepiolite powder, 5-10 parts of modified vermiculite powder, 4-8 parts of alumina, 2-6 parts of expanded perlite, 2-5 parts of calcium silicate, 2-4 parts of calcium oxide, 1-3 parts of calcium phosphate, 0.5-2 parts of borax and 0.2-0.8 part of diboron trioxide.
As a preferable scheme, the rock plate glaze is prepared by mixing the following raw materials in parts by weight: 28 parts of mullite, 15 parts of dolomite, 12 parts of frit, 10 parts of quartz powder, 8 parts of modified sepiolite powder, 7 parts of modified vermiculite powder, 6 parts of alumina, 5 parts of expanded perlite, 3 parts of calcium silicate, 2.5 parts of calcium oxide, 2 parts of calcium phosphate, 1 part of borax and 0.5 part of diboron trioxide.
As a preferable scheme, the frit is prepared from the following raw materials in parts by weight: 25-35 parts of nepheline powder, 15-20 parts of microcline feldspar, 10-16 parts of lithium porcelain stone, 8-12 parts of quartz powder, 6-10 parts of phosphogypsum, 6-10 parts of barium carbonate, 4-7 parts of calcium phosphate, 2-5 parts of calcium hydrophosphate, 1-4 parts of silicon dioxide, 1-2 parts of graphene, 0.8-2 parts of zinc phosphate and 0.5-1 part of sodium metaaluminate.
As a preferable scheme, the frit is prepared from the following raw materials in parts by weight: 28 parts of nepheline powder, 16.6 parts of microcline feldspar, 15 parts of lithium porcelain stone, 10 parts of quartz powder, 8 parts of phosphogypsum, 8 parts of barium carbonate, 5 parts of calcium phosphate, 4 parts of calcium hydrophosphate, 2 parts of silicon dioxide, 1.8 parts of graphene, 1 part of zinc phosphate and 0.6 part of sodium metaaluminate.
The inventor of the invention discovers in a large amount of research that a rock plate with a smooth surface and comfortable touch feeling of a human body is obtained by spraying rock plate glaze on a blank layer and sintering at the accurate temperature of 1280-1310 ℃.
Under the formula system of the invention, phosphate substances (calcium phosphate, calcium hydrophosphate and zinc phosphate) and barium carbonate in the frit are added to promote the crystallization of the glaze surface by a phase splitting principle, so that the surface is smooth, fine and smooth.
As a preferable scheme, the preparation method of the modified vermiculite powder comprises the following steps:
s01, adding 8-15 parts by weight of vermiculite powder into 30-50 parts by weight of deionized water, adding 0.5-1 part by weight of ammonium dihydrogen phosphate and 0.2-0.6 part by weight of concentrated sulfuric acid, and stirring at 200-500 rpm for 60-150 min to obtain a first mixed solution;
s02, adding 0.05-0.2 part by weight of vinyl tri (beta-methoxyethoxy) silane into the first mixed solution, and performing ultrasonic treatment for 20-40 min at 200-600W to obtain a second mixed solution;
s03, adding 1-2 parts by weight of magnesium oxide into the second mixed solution, stirring at a rotating speed of 100-300 rpm for 3-8 hours, adding 0.3-1 part by weight of stearic acid, heating to 70-80 ℃, preserving heat for 60-100 min, cooling to room temperature, filtering, and drying to obtain the modified vermiculite powder.
According to the invention, the modified vermiculite powder capable of obviously reducing the heat conductivity coefficient is obtained by treating the vermiculite powder with ammonium dihydrogen phosphate and concentrated sulfuric acid, then treating with the coupling agent, and finally treating with magnesium oxide and stearic acid.
As a preferable scheme, the preparation method of the modified sepiolite powder comprises the following steps:
s11, adding 6-12 parts by weight of sepiolite powder into 30-50 parts by weight of deionized water, uniformly mixing, adding 0.1-0.4 part by weight of coupling agent, stirring at a rotating speed of 100-400 rpm for 40-80 min, and standing for 6-12 h to obtain a suspension;
s12, adding 0.2-0.5 part by weight of sodium pyrophosphate and 0.8-2 parts by weight of floating beads into the suspension, heating to 65-80 ℃, stirring at 300-800 rpm for 20-50 min, centrifuging, and drying to obtain the modified sepiolite.
Preferably, the centrifugation speed in S12 is 3000-5000 rpm, and the centrifugation time is 10-20 min.
As a preferable scheme, the coupling agent is prepared from isopropyl dioleate acyloxy (dioctyl phosphate acyloxy) titanate and gamma-aminopropyl triethoxysilane according to the weight ratio of 1: 0.5-2.
According to the invention, the sepiolite powder is treated by the compound coupling agent, and is subjected to composite modification by the sodium pyrophosphate and the floating beads, so that the modified sepiolite powder capable of remarkably reducing the heat conductivity coefficient is obtained, and in the high-temperature sintering process of the rock plate, the modified sepiolite can generate nitrogen, hydrogen, carbon dioxide and other gases, so that the number of air holes can be effectively increased, the pore strength can be improved, and the phenomenon of hole collapse can not occur, thereby effectively reducing the heat conductivity coefficient.
As a preferred scheme, the blank layer is prepared by the following raw materials in parts by weight through ball milling, mixing, sintering, pressing and edge grinding: 20-30 parts of potassium feldspar, 20-30 parts of wollastonite, 10-15 parts of quartz, 6-12 parts of alumina, 6-10 parts of kaolin, 4-9 parts of hydroxyapatite, 3-8 parts of bentonite, 2-5 parts of talcum powder, 0.8-2 parts of sodium carboxymethylcellulose, 0.5-1.5 parts of zinc silicate and 0.2-0.6 part of sodium tripolyphosphate.
The invention also provides a preparation method of the rock plate with comfortable human body touch feeling, which comprises the following steps:
s21, weighing and uniformly mixing the raw materials of the green body layer according to the weight part ratio, sintering at 1100-1400 ℃, and pressing and edging to prepare the green body layer;
s22, uniformly mixing the rock plate glaze according to the weight part ratio, and spraying the rock plate glaze on the surface of the blank layer, wherein the spraying amount of the rock plate glaze is 250-500 g/m2And sintering at 1280-1310 ℃ to form a glaze layer, and edging to obtain the rock board with comfortable human body touch feeling.
The invention has the beneficial effects that: the glaze of the rock plate is smooth, fine and smooth, and the rock plate cannot feel cold when being touched, so that the rock plate has good comfortable touch feeling of a human body; the method comprises the steps of spraying a rock plate glaze material on a green body layer, and sintering at the accurate temperature of 1280-1310 ℃ to obtain the rock plate with a smooth and fine surface and comfortable touch feeling of a human body.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the present invention, the parts are all parts by weight unless otherwise specified.
Example 1
A rock plate with a comfortable human body touch feeling is prepared from the following raw materials in parts by weight: from supreme body layer, the glazed layer of including down, the glazed layer forms through spouting rock plate frit sintering under 1300 ℃, glazed layer spraying amount is 350g/m2，
The rock plate glaze is prepared by mixing the following raw materials in parts by weight: 28 parts of mullite, 15 parts of dolomite, 12 parts of frit, 10 parts of quartz powder, 8 parts of modified sepiolite powder, 7 parts of modified vermiculite powder, 6 parts of alumina, 5 parts of expanded perlite, 3 parts of calcium silicate, 2.5 parts of calcium oxide, 2 parts of calcium phosphate, 1 part of borax and 0.5 part of diboron trioxide.
The frit is prepared from the following raw materials in parts by weight: 28 parts of nepheline powder, 16.6 parts of microcline feldspar, 15 parts of lithium porcelain stone, 10 parts of quartz powder, 8 parts of phosphogypsum, 8 parts of barium carbonate, 5 parts of calcium phosphate, 4 parts of calcium hydrophosphate, 2 parts of silicon dioxide, 1.8 parts of graphene, 1 part of zinc phosphate and 0.6 part of sodium metaaluminate.
The preparation method of the modified vermiculite powder comprises the following steps:
s01, adding 10 parts by weight of vermiculite powder into 38.7 parts by weight of deionized water, adding 0.8 part by weight of ammonium dihydrogen phosphate and 0.5 part by weight of concentrated sulfuric acid, and stirring at the rotating speed of 400rpm for 90min to obtain a first mixed solution;
s02, adding 0.15 part by weight of vinyl tri (beta-methoxyethoxy) silane into the first mixed solution, and carrying out ultrasonic treatment for 30min at 400W to obtain a second mixed solution;
s03, adding 1.8 parts by weight of magnesium oxide into the second mixed solution, stirring at 200rpm for 6 hours, adding 0.5 part by weight of stearic acid, heating to 78 ℃, keeping the temperature for 80min, cooling to room temperature, filtering, and drying to obtain the modified vermiculite powder.
The preparation method of the modified sepiolite powder comprises the following steps:
s11, adding 10 parts by weight of sepiolite powder into 39.7 parts by weight of deionized water, uniformly mixing, adding 0.15 part by weight of isopropyl dioleate acyloxy (dioctyl phosphate acyloxy) titanate and 0.15 part by weight of gamma-aminopropyl triethoxysilane, stirring at the rotating speed of 200rpm for 60min, and standing for 8h to obtain a suspension;
s12, adding 0.4 part by weight of sodium pyrophosphate and 1.2 parts by weight of floating beads into the suspension, heating to 78 ℃, stirring at 600rpm for 40min, centrifuging at 5000rpm for 18min, and drying to obtain the modified sepiolite.
The green body layer is prepared by ball-milling, mixing, sintering, pressing and edging the following raw materials in parts by weight: 26.3 parts of potassium feldspar, 24 parts of wollastonite, 12 parts of quartz, 10 parts of alumina, 9 parts of kaolin, 7 parts of hydroxyapatite, 5 parts of bentonite, 4 parts of talcum powder, 1.2 parts of sodium carboxymethylcellulose, 1 part of zinc silicate and 0.5 part of sodium tripolyphosphate.
The preparation method of the rock plate with comfortable human body touch comprises the following steps:
s21, weighing and uniformly mixing the raw materials of the green body layer according to the weight part ratio, sintering at 1250 ℃, and pressing and edging to prepare the green body layer;
s22, uniformly mixing the rock plate glaze according to the weight part ratio, and spraying the rock plate glaze on the surface of the blank layer, wherein the spraying amount of the rock plate glaze is 350g/m2And sintering at 1300 ℃ to form a glaze layer, and edging to obtain the rock board with comfortable human body touch feeling.
Example 2
A rock plate with a comfortable human body touch feeling is prepared from the following raw materials in parts by weight: from supreme body layer, the glazed layer including down, the glazed layer is through spouting rock plate frit, and sintering forms under 1290 ℃, the glazed layer spraying volume is 380g/m2，
The rock plate glaze is prepared by mixing the following raw materials in parts by weight: 35 parts of mullite, 14 parts of dolomite, 10 parts of frit, 8 parts of quartz powder, 6 parts of modified sepiolite powder, 5 parts of modified vermiculite powder, 4 parts of alumina, 2 parts of expanded perlite, 2 parts of calcium silicate, 2 parts of calcium oxide, 1 part of calcium phosphate, 0.5 part of borax and 0.2 part of boron trioxide.
The frit is prepared from the following raw materials in parts by weight: 30 parts of nepheline powder, 18.5 parts of microcline feldspar, 12 parts of lithium porcelain stone, 9 parts of quartz powder, 7 parts of phosphogypsum, 7 parts of barium carbonate, 6 parts of calcium phosphate, 4 parts of calcium hydrophosphate, 3 parts of silicon dioxide, 1.5 parts of graphene, 1.2 parts of zinc phosphate and 0.8 part of sodium metaaluminate.
The preparation method of the modified vermiculite powder comprises the following steps:
s01, adding 10 parts by weight of vermiculite powder into 39.2 parts by weight of deionized water, adding 0.5 part by weight of ammonium dihydrogen phosphate and 0.3 part by weight of concentrated sulfuric acid, and stirring at the rotating speed of 300rpm for 100min to obtain a first mixed solution;
s02, adding 0.15 part by weight of vinyl tri (beta-methoxyethoxy) silane into the first mixed solution, and carrying out ultrasonic treatment for 25min at 400W to obtain a second mixed solution;
s03, adding 1.6 parts by weight of magnesium oxide into the second mixed solution, stirring at 200rpm for 5 hours, adding 0.6 part by weight of stearic acid, heating to 75 ℃, keeping the temperature for 70min, cooling to room temperature, filtering, and drying to obtain the modified vermiculite powder.
The preparation method of the modified sepiolite powder comprises the following steps:
s11, adding 10 parts by weight of sepiolite powder into 39.8 parts by weight of deionized water, uniformly mixing, adding 0.1 part by weight of isopropyl dioleate acyloxy (dioctyl phosphate acyloxy) titanate and 0.1 part by weight of gamma-aminopropyl triethoxysilane, stirring for 50min at the rotating speed of 20rpm, and standing for 10h to obtain a suspension;
s12, adding 0.3 part by weight of sodium pyrophosphate and 1.5 parts by weight of floating beads into the suspension, heating to 70 ℃, stirring at 500rpm for 40min, centrifuging at 5000rpm for 18min, and drying to obtain the modified sepiolite.
The green body layer is prepared by ball-milling, mixing, sintering, pressing and edging the following raw materials in parts by weight: 26.3 parts of potassium feldspar, 24 parts of wollastonite, 12 parts of quartz, 10 parts of alumina, 9 parts of kaolin, 7 parts of hydroxyapatite, 5 parts of bentonite, 4 parts of talcum powder, 1.2 parts of sodium carboxymethylcellulose, 1 part of zinc silicate and 0.5 part of sodium tripolyphosphate.
The preparation method of the rock plate with comfortable human body touch comprises the following steps:
s21, weighing and uniformly mixing the raw materials of the green body layer according to the weight part ratio, sintering at 1250 ℃, and pressing and edging to prepare the green body layer;
s22, uniformly mixing the rock plate glaze according to the weight part ratio, and spraying the rock plate glaze on the surface of the blank layer, wherein the spraying amount of the rock plate glaze is 350g/m2And sintering at 1300 ℃ to form a glaze layer, and edging to obtain the rock board with comfortable human body touch feeling.
Example 3
Is provided withThe rock plate with comfortable human body touch feeling is prepared from the following raw materials in parts by weight: from supreme body layer, the glazed layer of including down, the glazed layer forms through spouting rock plate frit, sintering under 1310 ℃, the glazed layer spraying volume is 320g/m2，
The rock plate glaze is prepared by mixing the following raw materials in parts by weight: 25 parts of mullite, 18 parts of dolomite, 15 parts of frit, 13 parts of quartz powder, 8 parts of modified sepiolite powder, 7 parts of modified vermiculite powder, 5 parts of alumina, 5 parts of expanded perlite, 3 parts of calcium silicate, 3 parts of calcium oxide, 2 parts of calcium phosphate, 1 part of borax and 0.5 part of boron trioxide.
The frit is prepared from the following raw materials in parts by weight: 32 parts of nepheline powder, 19 parts of microcline feldspar, 12 parts of lithium porcelain stone, 10 parts of quartz powder, 7 parts of phosphogypsum, 6 parts of barium carbonate, 4 parts of calcium phosphate, 2 parts of calcium hydrophosphate, 1 part of silicon dioxide, 1 part of graphene, 0.8 part of zinc phosphate and 0.5 part of sodium metaaluminate.
The preparation method of the modified vermiculite powder comprises the following steps:
s01, adding 10 parts by weight of vermiculite powder into 38.7 parts by weight of deionized water, adding 0.9 part by weight of ammonium dihydrogen phosphate and 0.4 part by weight of concentrated sulfuric acid, and stirring at 500rpm for 60min to obtain a first mixed solution;
s02, adding 0.2 part by weight of vinyl tri (beta-methoxyethoxy) silane into the first mixed solution, and carrying out ultrasonic treatment for 20min at 500W to obtain a second mixed solution;
s03, adding 1.2 parts by weight of magnesium oxide into the second mixed solution, stirring for 8 hours at the rotating speed of 100rpm, adding 0.8 part by weight of stearic acid, heating to 78 ℃, keeping the temperature for 80min, cooling to room temperature, filtering and drying to obtain the modified vermiculite powder.
The preparation method of the modified sepiolite powder comprises the following steps:
s11, adding 10 parts by weight of sepiolite powder into 39.6 parts by weight of deionized water, uniformly mixing, adding 0.2 part by weight of isopropyl dioleate acyloxy (dioctyl phosphate acyloxy) titanate and 0.2 part by weight of gamma-aminopropyl triethoxy silicon, stirring at the rotating speed of 300rpm for 70min, and standing for 10h to obtain a suspension;
s12, adding 0.3 part by weight of sodium pyrophosphate and 1.5 parts by weight of floating beads into the suspension, heating to 70 ℃, stirring at 600rpm for 30min, centrifuging at 5000rpm for 15min, and drying to obtain the modified sepiolite.
The green body layer is prepared by ball-milling, mixing, sintering, pressing and edging the following raw materials in parts by weight: 26.3 parts of potassium feldspar, 24 parts of wollastonite, 12 parts of quartz, 10 parts of alumina, 9 parts of kaolin, 7 parts of hydroxyapatite, 5 parts of bentonite, 4 parts of talcum powder, 1.2 parts of sodium carboxymethylcellulose, 1 part of zinc silicate and 0.5 part of sodium tripolyphosphate.
The preparation method of the rock plate with comfortable human body touch comprises the following steps:
s21, weighing and uniformly mixing the raw materials of the green body layer according to the weight part ratio, sintering at 1250 ℃, and pressing and edging to prepare the green body layer;
s22, uniformly mixing the rock plate glaze according to the weight part ratio, and spraying the rock plate glaze on the surface of the blank layer, wherein the spraying amount of the rock plate glaze is 350g/m2And sintering at 1300 ℃ to form a glaze layer, and edging to obtain the rock board with comfortable human body touch feeling.
Comparative example 1
Comparative example 1 differs from example 1 in that comparative example 1 uses vermiculite powder instead of modified vermiculite powder, all the other things being equal.
Comparative example 2
Comparative example 2 is different from example 1 in that the modified vermiculite powder described in comparative example 2 is prepared by a method different from that of example 1, and the other steps are the same.
The preparation method of the modified vermiculite powder comprises the following steps:
s01, adding 10 parts by weight of vermiculite powder into 38.7 parts by weight of deionized water, adding 0.8 part by weight of ammonium dihydrogen phosphate and 0.5 part by weight of concentrated sulfuric acid, and stirring at the rotating speed of 400rpm for 90min to obtain a first mixed solution;
s03, adding 1.8 parts by weight of titanium dioxide into the first mixed solution, stirring at the rotating speed of 200rpm for 6 hours, adding 0.5 part by weight of stearic acid, heating to 78 ℃, keeping the temperature for 80min, cooling to room temperature, filtering, and drying to obtain the modified vermiculite powder.
Comparative example 3
Comparative example 3 differs from example 1 in that comparative example 3 uses sepiolite powder instead of modified sepiolite powder, the other things being equal.
Comparative example 4
Comparative example 4 differs from example 1 in that comparative example 4 describes a modified sepiolite which was prepared by a process different from that of example 1, all the other things being equal.
The preparation method of the modified sepiolite powder comprises the following steps:
s11, adding 10 parts by weight of sepiolite powder into 39.7 parts by weight of deionized water, uniformly mixing, adding 0.3 part by weight of gamma-glycidyl ether oxypropyl trimethoxysilane, stirring at the rotating speed of 200rpm for 60min, and standing for 8h to obtain a suspension;
s12, adding 0.4 part by weight of sodium pyrophosphate into the suspension, heating to 78 ℃, stirring at 600rpm for 40min, centrifuging at 5000rpm for 18min, and drying to obtain the modified sepiolite.
Comparative example 5
Comparative example 5 differs from example 1 in that comparative example 5 does not contain the frit and is otherwise identical.
To further demonstrate the effect of the present invention, the following test methods were provided:
1. the feel of the rock panels described in examples 1 to 3 and comparative example 5 was evaluated, and the test results are shown in table 1.
TABLE 1
As can be seen from Table 1, the rock plate with human body comfort provided by the invention has good touch, and the glaze surface is smooth, fine, smooth and flat, and has good human body comfort touch.
2. The rock plates described in examples 1 to 3 and comparative examples 1 to 4 were subjected to thermal conductivity measurement,
the thermal conductivity was measured using a portable thermal conductivity meter, model TC3000E, available from sienna, charxi, electronics technologies ltd, and the results are shown in table 2.
TABLE 2
As can be seen from table 2, the rock plate has a very low thermal conductivity and does not feel cold to the touch.
In comparison with examples 1 to 3, it can be seen that a rock slab with low thermal conductivity and no feeling of cold is obtained through the optimized rock slab formula, the optimized frit formula, the preparation parameters of the modified sepiolite powder and the preparation parameters of the modified vermiculite powder.
It can be seen from the comparison of example 1 with comparative examples 1 and 2 that the modified vermiculite powder of the present invention can significantly reduce the thermal conductivity, and in the preparation method of the modified vermiculite powder, if vinyl tris (β -methoxyethoxy) silane and magnesium oxide are not used for treatment, the effect of reducing the thermal conductivity is significantly reduced.
It can be seen from the comparison of example 1 and comparative examples 3 and 4 that the modified sepiolite powder of the present invention can significantly reduce the thermal conductivity, and in the preparation method of the modified sepiolite powder, if the coupling agent treatment and the floating bead treatment of isopropyl dioleate acyloxy (dioctyl phosphoacyloxy) titanate and γ -aminopropyltriethoxysilane compound are not used, the effect of reducing the thermal conductivity is significantly reduced.
In light of the foregoing description of preferred embodiments according to the invention, it is clear that many changes and modifications can be made by the person skilled in the art without departing from the scope of the invention. The technical scope of the present invention is not limited to the contents of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. The rock plate with comfortable human body touch feeling is characterized by being prepared from the following raw materials in parts by weight: follow supreme body layer, the glazed layer of including down, the glazed layer forms through spouting rock plate frit sintering at 1280~1310 ℃, glazed layer spraying volume is 250~500g/m2，
The rock plate glaze is prepared by mixing the following raw materials in parts by weight: 25-35 parts of mullite, 13-18 parts of dolomite, 10-15 parts of frit, 8-13 parts of quartz powder, 6-10 parts of modified sepiolite powder, 5-10 parts of modified vermiculite powder, 4-8 parts of alumina, 2-6 parts of expanded perlite, 2-5 parts of calcium silicate, 2-4 parts of calcium oxide, 1-3 parts of calcium phosphate, 0.5-2 parts of borax and 0.2-0.8 part of diboron trioxide;
the frit is prepared from the following raw materials in parts by weight: 25-35 parts of nepheline powder, 15-20 parts of microcline feldspar, 10-16 parts of lithium porcelain stone, 8-12 parts of quartz powder, 6-10 parts of phosphogypsum, 6-10 parts of barium carbonate, 4-7 parts of calcium phosphate, 2-5 parts of calcium hydrophosphate, 1-4 parts of silicon dioxide, 1-2 parts of graphene, 0.8-2 parts of zinc phosphate and 0.5-1 part of sodium metaaluminate;
the preparation method of the modified vermiculite powder comprises the following steps:
s01, adding 8-15 parts by weight of vermiculite powder into 30-50 parts by weight of deionized water, adding 0.5-1 part by weight of ammonium dihydrogen phosphate and 0.2-0.6 part by weight of concentrated sulfuric acid, and stirring at 200-500 rpm for 60-150 min to obtain a first mixed solution;
s02, adding 0.05-0.2 part by weight of vinyl tri (beta-methoxyethoxy) silane into the first mixed solution, and performing ultrasonic treatment for 20-40 min at 200-600W to obtain a second mixed solution;
s03, adding 1-2 parts by weight of magnesium oxide into the second mixed solution, stirring at a rotating speed of 100-300 rpm for 3-8 hours, adding 0.3-1 part by weight of stearic acid, heating to 70-80 ℃, preserving heat for 60-100 min, cooling to room temperature, filtering, and drying to obtain modified vermiculite powder;
the preparation method of the modified sepiolite powder comprises the following steps:
s11, adding 6-12 parts by weight of sepiolite powder into 30-50 parts by weight of deionized water, uniformly mixing, adding 0.1-0.4 part by weight of coupling agent, stirring at a rotating speed of 100-400 rpm for 40-80 min, and standing for 6-12 h to obtain a suspension;
s12, adding 0.2-0.5 part by weight of sodium pyrophosphate and 0.8-2 parts by weight of floating beads into the suspension, heating to 65-80 ℃, stirring at 300-800 rpm for 20-50 min, centrifuging, and drying to obtain modified sepiolite powder;
the coupling agent is prepared from isopropyl dioleate acyloxy (dioctyl phosphate acyloxy) titanate and gamma-aminopropyl triethoxysilane according to the weight ratio of 1: 0.5-2.
2. The rock plate with a comfortable human touch as claimed in claim 1, characterized in that the rock plate glaze is mixed by the following raw materials in parts by weight: 28 parts of mullite, 15 parts of dolomite, 12 parts of frit, 10 parts of quartz powder, 8 parts of modified sepiolite powder, 7 parts of modified vermiculite powder, 6 parts of alumina, 5 parts of expanded perlite, 3 parts of calcium silicate, 2.5 parts of calcium oxide, 2 parts of calcium phosphate, 1 part of borax and 0.5 part of diboron trioxide.
3. The rock plate with a comfortable human touch as claimed in claim 1, wherein the frit is made from the following raw materials in parts by weight: 28 parts of nepheline powder, 16.6 parts of microcline feldspar, 15 parts of lithium porcelain stone, 10 parts of quartz powder, 8 parts of phosphogypsum, 8 parts of barium carbonate, 5 parts of calcium phosphate, 4 parts of calcium hydrophosphate, 2 parts of silicon dioxide, 1.8 parts of graphene, 1 part of zinc phosphate and 0.6 part of sodium metaaluminate.
4. The rock plate with a comfortable human touch according to claim 1, wherein the centrifugation rate in S12 is 3000-5000 rpm, and the centrifugation time is 10-20 min.
5. The rock plate with a comfortable human body touch feeling according to claim 1, wherein the green body layer is formed by ball milling, mixing, sintering, pressing and edging the following raw materials in parts by weight: 20-30 parts of potassium feldspar, 20-30 parts of wollastonite, 10-15 parts of quartz, 6-12 parts of alumina, 6-10 parts of kaolin, 4-9 parts of hydroxyapatite, 3-8 parts of bentonite, 2-5 parts of talcum powder, 0.8-2 parts of sodium carboxymethylcellulose, 0.5-1.5 parts of zinc silicate and 0.2-0.6 part of sodium tripolyphosphate.
6. A method for preparing a rock plate with a comfortable tactile sensation of a human body, which is used for preparing the rock plate with a comfortable tactile sensation of a human body according to any one of claims 1 to 5, and comprises the following steps:
s21, weighing and uniformly mixing the raw materials of the green body layer according to the weight part ratio, sintering at 1100-1400 ℃, and pressing and edging to prepare the green body layer;
s22, uniformly mixing the rock plate glaze according to the weight part ratio, and spraying the rock plate glaze on the surface of the blank layer, wherein the spraying amount of the rock plate glaze is 250-500 g/m2And sintering at 1280-1310 ℃ to form a glaze layer, and edging to obtain the rock board with comfortable human body touch feeling.
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