CN116813356B - Ceramic body reinforcing agent and preparation method thereof - Google Patents
Ceramic body reinforcing agent and preparation method thereof Download PDFInfo
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- 239000000919 ceramic Substances 0.000 title claims abstract description 110
- 239000012744 reinforcing agent Substances 0.000 title claims abstract description 67
- 238000002360 preparation method Methods 0.000 title claims abstract description 44
- 229920005610 lignin Polymers 0.000 claims abstract description 74
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 67
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims abstract description 51
- 239000000440 bentonite Substances 0.000 claims abstract description 42
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 42
- 239000000661 sodium alginate Substances 0.000 claims abstract description 37
- 235000010413 sodium alginate Nutrition 0.000 claims abstract description 37
- 229940005550 sodium alginate Drugs 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims abstract description 23
- 239000011734 sodium Substances 0.000 claims abstract description 23
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 23
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229920000609 methyl cellulose Polymers 0.000 claims abstract description 10
- 239000001923 methylcellulose Substances 0.000 claims abstract description 10
- 235000010981 methylcellulose Nutrition 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims description 47
- 238000000034 method Methods 0.000 claims description 35
- 239000000230 xanthan gum Substances 0.000 claims description 22
- 235000010493 xanthan gum Nutrition 0.000 claims description 22
- 229920001285 xanthan gum Polymers 0.000 claims description 22
- 229940082509 xanthan gum Drugs 0.000 claims description 22
- 229920001661 Chitosan Polymers 0.000 claims description 20
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 20
- 238000001035 drying Methods 0.000 claims description 19
- 238000002156 mixing Methods 0.000 claims description 18
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 13
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 10
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 claims description 8
- 238000000967 suction filtration Methods 0.000 claims description 8
- SLINHMUFWFWBMU-UHFFFAOYSA-N Triisopropanolamine Chemical compound CC(O)CN(CC(C)O)CC(C)O SLINHMUFWFWBMU-UHFFFAOYSA-N 0.000 claims description 7
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 claims description 5
- 229960000583 acetic acid Drugs 0.000 claims description 5
- 239000012362 glacial acetic acid Substances 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 239000003623 enhancer Substances 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 12
- 230000000052 comparative effect Effects 0.000 description 10
- 239000002002 slurry Substances 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 8
- 238000012986 modification Methods 0.000 description 7
- 230000004048 modification Effects 0.000 description 7
- 239000006185 dispersion Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- -1 amino, hydroxyl Chemical group 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- HXKKHQJGJAFBHI-UHFFFAOYSA-N 1-aminopropan-2-ol Chemical compound CC(O)CN HXKKHQJGJAFBHI-UHFFFAOYSA-N 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 230000002742 anti-folding effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007676 flexural strength test Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229940102253 isopropanolamine Drugs 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000013001 point bending Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
The application discloses a ceramic body reinforcing agent and a preparation method thereof, which relate to the field of ceramics and comprise the following raw materials in parts by weight: 2-18 parts of sodium methylcellulose; 60-80 parts of modified lignin; 2-18 parts of sodium humate; 5-15 parts of bentonite; wherein the modified lignin is prepared by modifying the following raw materials: lignin, 3-aminopropyl triethoxysilane, sodium alginate and water. The application has the effect of improving the flexural strength of the ceramic body.
Description
Technical Field
The invention relates to the field of ceramics, in particular to a ceramic body reinforcing agent and a preparation method thereof.
Background
The ceramic body has the advantages that the ceramic body is large in size, the ceramic body is low in breaking strength, low in toughness and large in brittleness, and the ceramic body does not have plastic deformation capability like a metal plate, so that the problems of breaking, edge deficiency, corner drop, cracking, breakage and the like are easy to occur in the daily production and manufacturing processes such as pressing, drying, firing and subsequent transferring and transporting until the installation and use of a terminal, and the improvement of the breaking strength of the ceramic body becomes the key point of the current research.
Disclosure of Invention
In order to improve the flexural strength of a ceramic body, the application provides a ceramic body reinforcing agent and a preparation method thereof.
In a first aspect, the application provides a ceramic body reinforcing agent, which is prepared by the following steps:
The ceramic green body reinforcing agent is prepared from the following raw materials in parts by weight: 2-18 parts of sodium methylcellulose; 60-80 parts of modified lignin; 2-18 parts of sodium humate; 5-15 parts of bentonite; wherein the modified lignin is prepared by modifying the following raw materials: lignin, 3-aminopropyl triethoxysilane, sodium alginate and water.
By adopting the technical scheme, the methyl cellulose sodium can improve the viscosity of the reinforcing agent, is beneficial to improving the fracture resistance of the ceramic body, the sodium humate can improve the drying strength of the body, improves the adhesion performance of the glaze on the body, and the bentonite contacts with water in the process of preparing the ceramic body, and the bentonite particles are dispersed in the water to form suspension, so that the viscosity of the ceramic body is increased, and the fracture resistance of the ceramic body is further improved; according to the application, the lignin is modified, so that the surface of the modified lignin has good surface activity, the dispersion stability of the reinforcing agent is improved, the ceramic blank reinforcing agent prepared by adding the components in the process of preparing the ceramic blank can improve the fracture resistance of the ceramic blank and simultaneously improve the compatibility of the lignin, and further, the dispersion stability of the ceramic blank can be improved to a certain extent by the modified lignin, and the reinforcing agent which is applied to the ceramic blank and can improve the fracture strength of the ceramic blank can be prepared by the components.
Preferably, the preparation method of the modified lignin comprises the following steps: mixing and stirring 30-50 parts by weight of lignin, 5-15 parts by weight of 3-aminopropyl triethoxysilane and 40-60 parts by weight of water, adding 30-50 parts by weight of sodium alginate, fully stirring, standing, and drying to obtain the modified lignin.
By adopting the technical scheme, the lignin is modified by the method, so that 3-aminopropyl triethoxy silane and sodium alginate are uniformly dispersed on the surface of the lignin, the lignin has good surface activity after modification, and the folding resistance of the ceramic blank can be effectively improved when the reinforcing agent acts on the ceramic blank when the reinforcing agent is applied to the components for preparing the ceramic blank reinforcing agent.
Preferably, the sodium alginate is modified sodium alginate, and the preparation method of the modified sodium alginate comprises the following steps: mixing 20-40 parts by weight of sodium alginate, 10-30 parts by weight of xanthan gum and 40-60 parts by weight of ethanol, adding three 15-25 parts by weight of isopropanolamine and 5-15 parts by weight of epichlorohydrin, mixing, washing with ethanol, and performing suction filtration and drying to obtain the modified sodium alginate.
Through the adoption of the technical scheme, the sodium alginate is modified by the xanthan gum, the molecular structure of the xanthan gum contains active groups and can be mixed with triisopropanolamine and epichlorohydrin for reaction, so that a large number of hydroxyl groups are grafted on the xanthan gum, the xanthan gum is attached to the surface of the sodium alginate, the fluidity of the sodium alginate is obviously improved in the lignin modification process, and meanwhile, the xanthan gum has viscosity, so that the viscosity between the modified lignin and other components is increased, the viscosity of ceramic blank slurry is further improved, and the anti-folding performance of a ceramic blank is improved.
Preferably, the weight ratio of the lignin, the 3-aminopropyl triethoxysilane and the sodium alginate is 1: (0.15-0.2): (1.05-1.2).
By adopting the technical scheme, when lignin, 3-aminopropyl triethoxy silane and sodium alginate are mixed together in a specific weight ratio, the prepared ceramic blank reinforcing agent can effectively improve the flexural strength of the ceramic blank, improve the dispersibility of mud to a certain extent in the process of preparing the ceramic blank and promote better molding of the ceramic blank.
Preferably, the bentonite is modified bentonite, and the preparation method of the modified bentonite comprises the following steps: mixing and stirring 10-20 parts by weight of chitosan, 20-40 parts by weight of bentonite and 2-8 parts by weight of glacial acetic acid, adding 1-5 parts by weight of glutaraldehyde and 10-20 parts by weight of sodium hydroxide, continuously stirring, adding 5-15 parts by weight of tetraethoxysilane, stirring, standing, filtering, and drying to obtain the modified bentonite.
According to the technical scheme, as the natural bentonite has poorer adsorption effect, the bentonite is modified by the chitosan, the structural chain of the chitosan is provided with amino, hydroxyl, carboxyl and other groups, after the chitosan is mixed with the bentonite, the chitosan is attached to the surface of the bentonite, and the chitosan and the tetraethoxysilane form a reticular structure, so that the bentonite has good adsorption effect, other components of the reinforcing agent can be better adsorbed, the water absorption capacity of the bentonite is reduced, and the adhesion performance of the glaze on a green body can be further improved by applying the bentonite prepared after modification in the reinforcing agent of the green body.
Preferably, the weight ratio of the chitosan to the bentonite to the tetraethoxysilane is 1: (2.1-2.4): (0.46-0.6).
By adopting the technical scheme, when the three materials are in a specific weight ratio, the three materials are compounded, and chitosan and tetraethoxysilane are attached to bentonite particles, so that the bentonite particles are more tightly connected, the modified bentonite is more tightly connected with other components of the reinforcing agent, and the fracture resistance of a ceramic blank is further improved; in the preparation process of the ceramic body, the water absorption performance of the modified bentonite is greatly reduced.
Preferably, the weight ratio of the modified lignin to the sodium humate to the modified bentonite is 1: (0.05-0.09): (0.17-0.22).
Through adopting above-mentioned technical scheme, when above-mentioned three when specific weight ratio, the three cooperates jointly, and the reinforcing agent of making can improve the flexural strength of ceramic body and reduce the water absorption effect of ceramic body mud simultaneously when effect and ceramic body, can improve the mobility of ceramic body thick liquids to a certain extent simultaneously.
In a second aspect, the preparation method of the ceramic body reinforcing agent provided by the application adopts the following technical scheme:
The preparation method of the ceramic body reinforcing agent comprises the following steps: and (3) mixing and stirring bentonite and sodium humate, adding sodium methylcellulose and modified lignin, and continuously stirring to obtain the blank reinforcing agent.
By adopting the technical scheme, the prepared ceramic body reinforcing agent can enhance the fracture resistance of the ceramic body.
In summary, the application has the following beneficial technical effects:
1. according to the application, the lignin is modified, so that the surface of the modified lignin has good surface activity, the dispersion stability of the reinforcing agent is improved, the ceramic blank reinforcing agent prepared by adding the components in the process of preparing the ceramic blank can improve the fracture resistance of the ceramic blank and simultaneously improve the compatibility of the lignin, and further, the dispersion stability of the ceramic blank can be improved to a certain extent by the modified lignin, and the reinforcing agent which is applied to the ceramic blank and can improve the fracture strength of the ceramic blank can be prepared by the components.
2. According to the application, sodium alginate is modified by xanthan gum, the molecular structure of the xanthan gum contains active groups, and the xanthan gum can be mixed with triisopropanolamine and epichlorohydrin for reaction, so that a large number of hydroxyl groups are grafted on the xanthan gum, the xanthan gum is adhered to the surface of the sodium alginate, the fluidity of the sodium alginate is obviously improved in the lignin modification process, and meanwhile, the xanthan gum has viscosity, so that the viscosity between the modified lignin and other components is increased, the viscosity of ceramic blank slurry is further improved, and the fracture resistance of a ceramic blank is improved.
Detailed Description
The present application will be described in further detail with reference to examples and comparative examples.
Preparation example
Preparation example 1
A preparation method of modified sodium alginate comprises the following steps: placing 20kg of sodium alginate, 10kg of xanthan gum and 40kg of ethanol in a water bath kettle, magnetically stirring for 1h at the temperature of 30 ℃, adding 15kg of triisopropanolamine and 5kg of epichlorohydrin after stirring, stirring for 3h at the temperature of 75 ℃, washing twice with ethanol after stirring, carrying out suction filtration, and drying for 12h at the temperature of 60 ℃ in an oven to obtain the modified sodium alginate.
Preparation example 2
A preparation method of modified sodium alginate comprises the following steps: placing 40kg of sodium alginate, 30kg of xanthan gum and 60kg of ethanol in a water bath kettle, magnetically stirring for 1h at the temperature of 30 ℃, adding 25kg of triisopropanolamine and 15kg of epichlorohydrin after stirring, stirring for 3h at the temperature of 75 ℃, washing twice with ethanol after stirring, carrying out suction filtration, and drying for 12h at the temperature of 60 ℃ in an oven to obtain the modified sodium alginate.
Preparation example 3
A preparation method of modified sodium alginate comprises the following steps: placing 30kg of sodium alginate, 20kg of xanthan gum and 50kg of ethanol in a water bath kettle, magnetically stirring for 1h at the temperature of 30 ℃, adding 20kg of triisopropanolamine and 10kg of epichlorohydrin after stirring, stirring for 3h at the temperature of 75 ℃, washing twice with ethanol after stirring, carrying out suction filtration, and drying for 12h at the temperature of 60 ℃ in an oven to obtain the modified sodium alginate.
Examples
Example 1
A preparation method of a ceramic body reinforcing agent comprises the following steps: 5kg of bentonite and 2kg of sodium humate are mixed and heated in a stirrer to 50 ℃ for stirring for 2 hours, and then 2kg of sodium methylcellulose and 60kg of modified lignin are added for stirring for 30 minutes, so that the blank reinforcing agent is obtained.
The preparation method of the modified lignin comprises the following steps: adding 30kg of lignin, 5kg of 3-aminopropyl triethoxysilane and 40kg of water into a water bath kettle, mixing and stirring for 12h at the temperature of 100 ℃, adding 10kg of sodium alginate, fully stirring for 24h at the temperature of 90 ℃, standing for 2h, and adding into a baking oven at the temperature of 60 ℃ for drying for 5h to obtain the modified lignin.
Example 2
15Kg of bentonite and 18kg of sodium humate are mixed and heated in a stirrer to 50 ℃ and stirred for 2 hours, and then 18kg of sodium methylcellulose and 80kg of modified lignin are added and stirred for 30 minutes to obtain the green body reinforcing agent.
The preparation method of the modified lignin comprises the following steps: adding 30kg of lignin, 5kg of 3-aminopropyl triethoxysilane and 40kg of water into a water bath kettle, mixing and stirring for 12h at the temperature of 100 ℃, adding 10kg of sodium alginate, fully stirring for 24h at the temperature of 90 ℃, standing for 2h, and adding into a baking oven at the temperature of 60 ℃ for drying for 5h to obtain the modified lignin.
Example 3
A preparation method of a ceramic green body reinforcing agent comprises the steps of mixing 10kg of bentonite and 10kg of sodium humate in a stirrer, heating to 50 ℃, stirring for 2 hours, adding 10kg of sodium methylcellulose and 70kg of modified lignin, and continuously stirring for 30 minutes to obtain the green body reinforcing agent.
The preparation method of the modified lignin comprises the following steps: adding 30kg of lignin, 5kg of 3-aminopropyl triethoxysilane and 40kg of water into a water bath kettle, mixing and stirring for 12h at the temperature of 100 ℃, adding 10kg of sodium alginate, fully stirring for 24h at the temperature of 90 ℃, standing for 2h, and adding into a baking oven at the temperature of 60 ℃ for drying for 5h to obtain the modified lignin.
Example 4
A method for preparing a ceramic green body reinforcing agent, which is different from example 3 in that the method for preparing the modified lignin comprises the following steps: 50kg of lignin, 15kg of 3-aminopropyl triethoxysilane and 60kg of water are put into a water bath kettle, mixed and stirred for 12 hours at the temperature of 100 ℃, 50kg of sodium alginate is added, fully stirred for 24 hours at the temperature of 90 ℃, then the mixture is left stand for 2 hours, and then the mixture is put into an oven at the temperature of 60 ℃ for drying for 5 hours, so that the modified lignin is obtained.
Example 5
A method for preparing a ceramic green body reinforcing agent, which is different from example 3 in that the method for preparing the modified lignin comprises the following steps: adding 40kg of lignin, 10kg of 3-aminopropyl triethoxysilane and 50kg of water into a water bath kettle, mixing and stirring for 12h at the temperature of 100 ℃, adding 40kg of sodium alginate, fully stirring for 24h at the temperature of 90 ℃, standing for 2h, and adding into a baking oven at the temperature of 60 ℃ for drying for 5h to obtain the modified lignin.
Example 6
A method for preparing a ceramic body reinforcing agent, which is different from example 5 in that sodium alginate is replaced with sodium alginate prepared in preparation example 1 in equal amount in the preparation method of modified lignin.
Example 7
A method for preparing a ceramic body reinforcing agent, which is different from example 5 in that sodium alginate is replaced with sodium alginate prepared in preparation example 2 in equal amount in the preparation method of modified lignin.
Example 8
A method for preparing a ceramic body reinforcing agent, which is different from example 5 in that sodium alginate is replaced with sodium alginate prepared in preparation example 3 in equal amount in the preparation method of modified lignin.
Example 9
A method for preparing a ceramic green body reinforcing agent is different from example 8 in that in the process of preparing modified lignin, the input amount of lignin is 40kg, the input amount of 3-aminopropyl triethoxysilane is 6kg, and the input amount of modified sodium alginate in preparation example 3 is 42kg.
Example 10
A method for preparing a ceramic green body reinforcing agent is different from example 8 in that in the process of preparing modified lignin, the input amount of lignin is 40kg, the input amount of 3-aminopropyl triethoxysilane is 8kg, and the input amount of modified sodium alginate in preparation example 3 is 48kg.
Example 11
The preparation method of the ceramic body reinforcing agent is different from that of the embodiment 10 in that bentonite is modified bentonite, and the preparation method of the modified bentonite is as follows: putting 10kg of chitosan, 20kg of bentonite and 2kg of glacial acetic acid into a constant temperature water bath, mixing and stirring for 5min at the temperature of 60 ℃, adding 1kg of glutaraldehyde and 10kg of sodium hydroxide, continuously stirring for 30min, adding 5kg of tetraethoxysilane, stirring for 10min, standing for 2h, carrying out suction filtration, and drying in an oven at the temperature of 90 ℃ for 2h to obtain the modified bentonite.
Example 12
The preparation method of the ceramic body reinforcing agent is different from that of the embodiment 10 in that bentonite is modified bentonite, and the preparation method of the modified bentonite is as follows: putting 20kg of chitosan, 40kg of bentonite and 8kg of glacial acetic acid into a constant temperature water bath, mixing and stirring for 5min at the temperature of 60 ℃, adding 5kg of glutaraldehyde and 20kg of sodium hydroxide, continuously stirring for 30min, adding 15kg of tetraethoxysilane, stirring for 10min, standing for 2h, carrying out suction filtration, and drying in an oven at the temperature of 90 ℃ for 2h to obtain the modified bentonite.
Example 13
The preparation method of the ceramic body reinforcing agent is different from that of the embodiment 10 in that bentonite is modified bentonite, and the preparation method of the modified bentonite is as follows: putting 15kg of chitosan, 30kg of bentonite and 5kg of glacial acetic acid into a constant temperature water bath, mixing and stirring for 5min at the temperature of 60 ℃, adding 3kg of glutaraldehyde and 15kg of sodium hydroxide, continuously stirring for 30min, adding 10kg of tetraethoxysilane, stirring for 10min, standing for 2h, carrying out suction filtration, and drying in an oven at the temperature of 90 ℃ for 2h to obtain the modified bentonite.
Example 14
A method for preparing a ceramic green body reinforcing agent, which is different from example 13 in that: in the process of preparing the modified bentonite, the input amount of chitosan is 15kg, the input amount of bentonite is 32kg, and the input amount of tetraethoxysilane is 7kg.
Example 15
A method for preparing a ceramic green body reinforcing agent, which is different from example 13 in that: in the process of preparing the modified bentonite, the input amount of chitosan is 15kg, the input amount of bentonite is 36kg, and the input amount of tetraethoxysilane is 9kg.
Example 16
A method for preparing a ceramic green body reinforcing agent, which is different from example 15 in that: the amount of modified lignin added was 70kg, the amount of sodium humate added was 4kg, and the amount of modified bentonite added was 12kg.
Example 17
A method for preparing a ceramic green body reinforcing agent, which is different from example 15 in that: the amount of modified lignin added was 70kg, the amount of sodium humate added was 6kg, and the amount of modified bentonite added was 15kg.
Comparative example
Comparative example 1
A method for preparing a ceramic green body reinforcing agent, which is different from example 1 in that: lignin was replaced with an equivalent amount of commercially available lignin.
Comparative example 2
A method for preparing a ceramic green body reinforcing agent, which is different from example 1 in that: no sodium methylcellulose was added.
Comparative example 3
A method for preparing a ceramic green body reinforcing agent, which is different from example 1 in that: bentonite is replaced by kaolin in equal amount.
Comparative example 4
A method for preparing a ceramic green body reinforcing agent, which is different from example 1 in that: the modified lignin is replaced by cellulose in equal quantity.
Performance test:
Flexural strength test: the ceramic body reinforcing agents prepared in examples 1 to 17 and comparative examples 1 to 4 were respectively applied to the process of preparing ceramic bodies according to GB/T17657-2013 (static bending strength measured by a three-point bending method) standard, and the ceramic bodies after firing were tested;
Water absorption test: the ceramic green body reinforcing agents prepared according to examples 1 to 17 and comparative examples 1 to 4 were used in the preparation of ceramic green bodies, respectively, and the fired ceramic green bodies were subjected to water absorption test according to the measurement method of GB 6952-2015;
slurry flow performance test: the ceramic green body reinforcing agents prepared in test examples 1 to 17 and comparative examples 1 to 4 according to QB/T1545-1992 method for measuring relative viscosity, relative fluidity and thixotropic property of ceramic slurry were added to raw materials for preparing ceramic green bodies, and fluidity of ceramic slurry was tested during preparation of ceramic green bodies.
According to the data comparison of the examples 1-5 and the comparative examples 1-4, the lignin is modified, so that the surface of the modified lignin has good surface activity, the dispersion stability of the reinforcing agent is improved, the ceramic blank reinforcing agent prepared by adding the components in the process of preparing the ceramic blank can improve the folding resistance of the ceramic blank, and simultaneously improve the compatibility of the lignin, so that the dispersion stability of the ceramic blank can be improved to a certain extent by the modified lignin, and the reinforcing agent which is applied to the ceramic blank and can improve the flexural strength of the ceramic blank can be prepared by the components.
According to the data comparison of the examples 5-8, the sodium alginate is modified by the xanthan gum, the molecular structure of the xanthan gum contains active groups, and the xanthan gum can be mixed and reacted with triisopropanolamine and epichlorohydrin, so that a large number of hydroxyl groups are grafted on the xanthan gum, the xanthan gum is attached to the surface of the sodium alginate, the fluidity of the sodium alginate is obviously improved in the lignin modification process, meanwhile, the xanthan gum has viscosity, the viscosity between the modified lignin and other components is increased, the viscosity of ceramic blank slurry is further improved, and the folding resistance of a ceramic blank is improved.
According to the data comparison of the embodiments 8-10, when lignin, 3-aminopropyl triethoxy silane and sodium alginate are mixed together in a specific weight ratio, the prepared ceramic blank reinforcing agent can effectively improve the flexural strength of a ceramic blank, improve the dispersibility of slurry to a certain extent in the process of preparing the ceramic blank and promote better molding of the ceramic blank.
According to the data comparison of the examples 10-13, the bentonite is modified by the chitosan, the structural chain of the chitosan is provided with amino, hydroxyl, carboxyl and other groups, the chitosan is adhered to the surface of the bentonite after being mixed with the bentonite, and the chitosan and the tetraethoxysilane form a network structure, so that the bentonite has good adsorption effect, other components of the reinforcing agent can be better adsorbed, the water absorption capacity of the bentonite is reduced, and the adhesion performance of the glaze on the green body can be further improved by applying the bentonite prepared after modification in the reinforcing agent of the green body.
According to the data comparison of examples 13-15, when the three are in a specific weight ratio, the three are compounded, and the chitosan and the tetraethoxysilane are attached to the bentonite particles, so that the bentonite particles are more tightly connected, the modified bentonite is more tightly connected with other components of the reinforcing agent, and the fracture resistance of the ceramic blank is further improved; in the preparation process of the ceramic body, the water absorption performance of the modified bentonite is greatly reduced.
According to the data comparison of the embodiments 15-17, when the three are mixed together in a specific weight ratio, the prepared reinforcing agent can improve the flexural strength of the ceramic green body and reduce the water absorption effect of the ceramic green body slurry when acting on the ceramic green body, and can improve the fluidity of the ceramic green body slurry to a certain extent.
The present embodiment is only for explanation of the present application and is not to be construed as limiting the present application, and modifications to the present embodiment, which may not creatively contribute to the present application as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present application.
Claims (7)
1. A ceramic body enhancer characterized by: the material is prepared from the following raw materials in parts by weight: 2-18 parts of sodium methylcellulose; 60-80 parts of modified lignin; 2-18 parts of sodium humate; 5-15 parts of bentonite; wherein the modified lignin is prepared by modifying the following raw materials: lignin, 3-aminopropyl triethoxysilane, sodium alginate and water; the preparation method of the modified lignin comprises the following steps: mixing and stirring 30-50 parts by weight of lignin, 5-15 parts by weight of 3-aminopropyl triethoxysilane and 40-60 parts by weight of water, adding 30-50 parts by weight of sodium alginate, fully stirring, standing, and drying to obtain the modified lignin.
2. A ceramic green body reinforcing agent according to claim 1, wherein: the sodium alginate is modified sodium alginate, and the preparation method of the modified sodium alginate comprises the following steps: mixing 20-40 parts by weight of sodium alginate, 10-30 parts by weight of xanthan gum and 40-60 parts by weight of ethanol, adding 15-25 parts by weight of triisopropanolamine and 5-15 parts by weight of epichlorohydrin, mixing, washing with ethanol, and performing suction filtration and drying to obtain the modified sodium alginate.
3. A ceramic green body reinforcing agent according to claim 1, wherein: the weight ratio of lignin, 3-aminopropyl triethoxysilane and sodium alginate is 1: (0.15-0.2): (1.05-1.2).
4. A ceramic green body reinforcing agent according to claim 1, wherein: the bentonite is modified bentonite, and the preparation method of the modified bentonite comprises the following steps: mixing and stirring 10-20 parts by weight of chitosan, 20-40 parts by weight of bentonite and 2-8 parts by weight of glacial acetic acid, adding 1-5 parts by weight of glutaraldehyde and 10-20 parts by weight of sodium hydroxide, continuously stirring, adding 5-15 parts by weight of tetraethoxysilane, stirring, standing, filtering, and drying to obtain the modified bentonite.
5. A ceramic green body reinforcing agent according to claim 4, wherein: the weight ratio of the chitosan to the bentonite to the tetraethoxysilane is 1: (2.1-2.4): (0.46-0.6).
6. A ceramic green body reinforcing agent according to claim 1, wherein: the weight ratio of the modified lignin to the sodium humate to the modified bentonite is 1: (0.05-0.09): (0.17-0.22).
7. A preparation method of a ceramic body reinforcing agent is characterized in that: a method for preparing the ceramic green body enhancer of any one of claims 1-6, comprising the steps of: and (3) mixing and stirring bentonite and sodium humate, adding sodium methylcellulose and modified lignin, and continuously stirring to obtain the blank reinforcing agent.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103351152A (en) * | 2013-08-05 | 2013-10-16 | 敬治民 | Production method of environment-friendly antiqued black bricks |
| CN103420680A (en) * | 2013-07-30 | 2013-12-04 | 北京工业大学 | Ceramic body reinforcing agent and application thereof |
| CN106582550A (en) * | 2016-11-10 | 2017-04-26 | 广西大学 | Lignin xanthate bentonite composite ball and preparation method thereof |
| CN106747311A (en) * | 2016-12-21 | 2017-05-31 | 任敏 | A kind of ceramic water-permeable brick and its production method |
| CN110483073A (en) * | 2019-09-18 | 2019-11-22 | 清远市简一陶瓷有限公司 | A kind of ceramic green body reinforcing agent, preparation method and application |
| KR102284008B1 (en) * | 2020-01-22 | 2021-08-02 | 웅진엔지니어링 주식회사 | Rapid hardening cement mortar for maintenance and reinforcement of concrete structure, and Repair and reinforcement construction method of concrete structure using the same |
| CN115724669A (en) * | 2022-11-17 | 2023-03-03 | 佛山市山有海科技有限公司 | Ceramic body reinforcing agent and preparation method thereof |
-
2023
- 2023-07-22 CN CN202310903263.2A patent/CN116813356B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103420680A (en) * | 2013-07-30 | 2013-12-04 | 北京工业大学 | Ceramic body reinforcing agent and application thereof |
| CN103351152A (en) * | 2013-08-05 | 2013-10-16 | 敬治民 | Production method of environment-friendly antiqued black bricks |
| CN106582550A (en) * | 2016-11-10 | 2017-04-26 | 广西大学 | Lignin xanthate bentonite composite ball and preparation method thereof |
| CN106747311A (en) * | 2016-12-21 | 2017-05-31 | 任敏 | A kind of ceramic water-permeable brick and its production method |
| CN110483073A (en) * | 2019-09-18 | 2019-11-22 | 清远市简一陶瓷有限公司 | A kind of ceramic green body reinforcing agent, preparation method and application |
| KR102284008B1 (en) * | 2020-01-22 | 2021-08-02 | 웅진엔지니어링 주식회사 | Rapid hardening cement mortar for maintenance and reinforcement of concrete structure, and Repair and reinforcement construction method of concrete structure using the same |
| CN115724669A (en) * | 2022-11-17 | 2023-03-03 | 佛山市山有海科技有限公司 | Ceramic body reinforcing agent and preparation method thereof |
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