CN110255931B - Rapid-setting high-strength adhesive material for prefabricated assembly type building cement base - Google Patents
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- CN110255931B CN110255931B CN201910633741.6A CN201910633741A CN110255931B CN 110255931 B CN110255931 B CN 110255931B CN 201910633741 A CN201910633741 A CN 201910633741A CN 110255931 B CN110255931 B CN 110255931B
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/24—Cements from oil shales, residues or waste other than slag
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
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Abstract
The invention discloses a rapid-setting high-strength bonding material for a prefabricated assembly type building cement base, which is prepared from the following materials: dolostone, red shale, carbon-chromium slag, phosphogypsum, high-silicon vanadium tailings, polyvinyl alcohol, calcium acrylate, carboxymethyl cellulose, polyisoprene, sugar filter mud, triethanolamine, hexenyl bis stearamide, butyl stearate, polytetramethylene glycol adipate and sodium fluoride; fluorine ions in the sodium fluoride can react with calcium hydroxide generated by hydration of the material to generate calcium fluoride, and because a large amount of calcium ions are consumed, a double electric layer structure is difficult to form on the surface of tricalcium silicate, so that the induction period of the tricalcium silicate disappears, and cement can be quickly condensed; the carboxymethyl cellulose can modify the carbon-chromium slag, and the modified porous modified layer on the surface of the carbon-chromium slag can weaken the side wall effect and the micro-area bleeding effect, improve the structure and the density of an interface transition area, simultaneously enhance the mechanical meshing effect between the surface and a contact surface, and improve the interface bonding strength.
Description
Technical Field
The invention particularly relates to a quick-setting high-strength bonding material for a prefabricated assembly type building cement base.
Background
With the acceleration of the building industrialization progress in China, the assembly type structure industrialization construction technology becomes a hot spot of the current research. Therefore, the development of key technical research aiming at standardized design and modular construction of the accessory type structural system lays a foundation for promoting the development of building industrialization, and is an important task and a working direction for technicians in the construction field in a period in the future. The whole level of building industrialization in China is still in a starting stage, and when a technical system of an assembly type building is explored and the assembly type building is put into practice and used, the problem in the modernization development process of the building industry is particularly important to be clear. At present, various technical systems appear in the assembly type building, but the standardization degree of the components is relatively low, and a universal and standardized mechanism is not formed yet. At present, research focuses mainly on the connection and fixation of member nodes, especially on the aspect of used adhesive materials, but most of the existing adhesive materials for prefabricated building cement bases are too slow in setting speed and poor in adhesive performance, and cannot meet the requirements of the building industry.
Disclosure of Invention
In view of the above, the present invention aims to provide a prefabricated building cement-based cementitious material with high setting speed and strong adhesion.
In order to solve the problems, the technical scheme of the invention is as follows:
a quick-setting high-strength binding material for a prefabricated assembly type building cement base is prepared from the following materials in parts by weight: 360 parts of dolomite 300-materials, 250 parts of red shale 150-materials, 160 parts of carbon-chromium slag 100-materials, 60-80 parts of phosphogypsum, 50-70 parts of high-silicon vanadium tailings, 45-65 parts of polyvinyl alcohol, 40-60 parts of calcium acrylate, 40-50 parts of carboxymethyl cellulose, 30-50 parts of polyisoprene, 30-46 parts of sugar filter mud, 30-40 parts of triethanolamine, 20-40 parts of hexenyl bis stearamide, 20-36 parts of butyl stearate, 16-24 parts of polytetramethylene glycol adipate and 10-16 parts of sodium fluoride.
Further, the rapid-setting high-strength binding material for the prefabricated assembly type building cement base is prepared from the following materials in parts by weight: 360 parts of dolomite, 150 parts of red shale, 100 parts of carbon chromium slag, 60 parts of phosphogypsum, 50 parts of high-silicon vanadium tailings, 45 parts of polyvinyl alcohol, 40 parts of calcium acrylate, 40 parts of carboxymethyl cellulose, 30 parts of polyisoprene, 30 parts of sugar filter mud, 30 parts of triethanolamine, 20 parts of hexenyl bis-stearamide, 20 parts of butyl stearate, 16 parts of polybutylene glycol adipate and 10 parts of sodium fluoride.
Further, the rapid-setting high-strength binding material for the prefabricated assembly type building cement base is prepared from the following materials in parts by weight: 300 parts of dolomite, 250 parts of red shale, 160 parts of carbon chromium slag, 80 parts of phosphogypsum, 70 parts of high-silicon vanadium tailings, 65 parts of polyvinyl alcohol, 60 parts of calcium acrylate, 50 parts of carboxymethyl cellulose, 50 parts of polyisoprene, 46 parts of sugar filter mud, 40 parts of triethanolamine, 40 parts of hexenyl bis-stearamide, 36 parts of butyl stearate, 24 parts of polybutylene glycol adipate and 16 parts of sodium fluoride.
Further, the rapid-setting high-strength binding material for the prefabricated assembly type building cement base is prepared from the following materials in parts by weight: 330 parts of dolomite, 200 parts of red shale, 130 parts of carbon chromium slag, 70 parts of phosphogypsum, 60 parts of high-silicon vanadium tailings, 55 parts of polyvinyl alcohol, 50 parts of calcium acrylate, 45 parts of carboxymethyl cellulose, 40 parts of polyisoprene, 38 parts of sugar filter mud, 35 parts of triethanolamine, 30 parts of hexenyl bis-stearamide, 28 parts of butyl stearate, 20 parts of polybutylene glycol adipate and 13 parts of sodium fluoride.
The invention has the beneficial effects that: fluoride ions in the sodium fluoride can react with calcium hydroxide generated by hydration of the material to generate calcium fluoride with lower solubility, a large amount of crystals are separated out, and a large amount of calcium ions are consumed, so that a double electric layer structure is difficult to form on the surface of tricalcium silicate, the induction period of tricalcium silicate disappears, the delayed coagulation effect of gypsum in cement is eliminated, the cement can be rapidly coagulated, and the early strength of the material is improved; the carboxymethyl cellulose can modify the carbon-chromium slag, and the modified porous modified layer on the surface of the carbon-chromium slag can weaken the boundary wall effect and the micro-area bleeding effect, improve the structure and the density of an interface transition area, simultaneously enhance the mechanical meshing effect between the surface and a contact surface, and improve the interface bonding strength.
Detailed description of the invention
Example 1
A quick-setting high-strength binding material for a prefabricated assembly type building cement base is prepared from the following materials in parts by weight: 360 parts of dolomite, 150 parts of red shale, 100 parts of carbon chromium slag, 60 parts of phosphogypsum, 50 parts of high-silicon vanadium tailings, 45 parts of polyvinyl alcohol, 40 parts of calcium acrylate, 40 parts of carboxymethyl cellulose, 30 parts of polyisoprene, 30 parts of sugar filter mud, 30 parts of triethanolamine, 20 parts of hexenyl bis-stearamide, 20 parts of butyl stearate, 16 parts of polytetramethylene glycol adipate and 10 parts of sodium fluoride.
A preparation method of a rapid-setting high-strength binding material for a prefabricated assembly type building cement base comprises the following steps:
1) crushing 360 parts of dolomite, 150 parts of red shale, 60 parts of phosphogypsum and 50 parts of high-silicon vanadium tailings by using a crusher, wherein the powder size is 300 meshes, stirring and mixing by using a stirrer at the stirring speed of 100rpm for 24min, presintering after stirring, and preparing a presintering material for later use, wherein the presintering temperature is 170 ℃ and the time is 50 min;
2) putting the pre-sintered material prepared in the step 1) into a homogenizing silo, using a four-component stirring method, wherein the pressure of stirring air is 3.1kg/cm2, the pressure of inflating air is 2.6kg/cm2, and the time is 6 hours, then calcining, wherein the initial calcining temperature is 260 ℃, the time is 40min, then increasing the temperature to 500 ℃, the time is 3 hours, then increasing the temperature to 750 ℃, the time is 3 hours, then increasing the temperature to 1400 ℃, the time is 5 hours, and finally rapidly cooling to room temperature to prepare clinker for later use;
3) taking 100 parts of carbon-chromium slag and 40 parts of carboxymethyl cellulose, putting the carbon-chromium slag and the carboxymethyl cellulose into a high-speed stirrer for stirring at 1300rpm for 60min, then baking at the initial baking temperature of 80 ℃ for 26min, then raising the temperature to 160 ℃ for 3h to obtain a baking modified material;
4) putting the clinker prepared in the step 2) and the baking modified material prepared in the step 3) into a stirrer, stirring and mixing at the stirring speed of 200rpm for 36min, then crushing by using a ball mill, controlling the rotating speed rate of the ball mill to be 85%, repeatedly performing ball milling for 35min, adjusting the rotating speed rate of the ball mill to 65%, repeatedly performing ball milling for 50min, and preparing a ball grinding material for later use;
5) taking 45 parts of polyvinyl alcohol, 40 parts of calcium acrylate, 30 parts of polyisoprene, 30 parts of sugar filter mud and 30 parts of triethanolamine, putting the materials into a stirrer, stirring and mixing at the stirring speed of 70rpm for 3 hours, and then carrying out hot pressing treatment at the temperature of 90 ℃, under the pressure of 1.9MPa for 30 minutes to prepare a hot-pressed mixture for later use;
6) taking 20 parts of hexenyl bis stearamide, 20 parts of butyl stearate, 16 parts of polybutylene glycol adipate and 10 parts of sodium fluoride, putting the materials into a stirrer, stirring and mixing at the stirring speed of 50rpm for 18min, and then carrying out cold pressing treatment at the temperature of 9 ℃, the pressure of 1.0MPa for 3h to prepare a cold pressing mixture for later use;
7) and (3) putting the ball grinding material prepared in the step 4), the hot-pressing mixture prepared in the step 5) and the cold-pressing mixture prepared in the step 6) into a stirrer, stirring and mixing at the stirring speed of 80rpm for 16min, and grinding by using a circulation grinding process after stirring is finished to obtain the ball grinding material.
Example 2
A quick-setting high-strength binding material for a prefabricated assembly type building cement base is prepared from the following materials in parts by weight: 300 parts of dolomite, 250 parts of red shale, 160 parts of carbon chromium slag, 80 parts of phosphogypsum, 70 parts of high-silicon vanadium tailings, 65 parts of polyvinyl alcohol, 60 parts of calcium acrylate, 50 parts of carboxymethyl cellulose, 50 parts of polyisoprene, 46 parts of sugar filter mud, 40 parts of triethanolamine, 40 parts of hexenyl bis-stearamide, 36 parts of butyl stearate, 24 parts of polytetramethylene glycol adipate and 16 parts of sodium fluoride.
A preparation method of a rapid-setting high-strength binding material for a prefabricated assembly type building cement base comprises the following steps:
1) taking 300 parts of dolomite, 250 parts of red shale, 80 parts of phosphogypsum and 70 parts of high-silicon vanadium tailings, crushing by using a crusher to obtain 200-mesh powder, stirring and mixing by using a stirrer at a stirring speed of 80rpm for 16min, presintering after stirring, and preparing a presintering material for later use, wherein the presintering temperature is 150 ℃ and the time is 30 min;
2) putting the pre-sintered material prepared in the step 1) into a homogenizing silo, using a four-component stirring method, wherein the pressure of stirring air is 2.7kg/cm2, the pressure of inflating air is 2.2kg/cm2, and the time is 4 hours, then calcining, wherein the initial calcining temperature is 200 ℃, the time is 20 minutes, then increasing the temperature to 460 ℃, the time is 1 hour, then increasing the temperature to 650 ℃, the time is 1 hour, then increasing the temperature to 1300 ℃, the time is 3 hours, and finally rapidly cooling to room temperature to prepare clinker for later use;
3) 160 parts of carbon-chromium slag and 50 parts of carboxymethyl cellulose are taken and put into a high-speed stirrer to be stirred, the stirring speed is 1100rpm, the time is 50min, then baking is carried out, the initial baking temperature is 60 ℃, the time is 16min, the temperature is raised to 130 ℃, the baking time is 1h, and the baking modified material is prepared;
4) putting the clinker prepared in the step 2) and the baking modified material prepared in the step 3) into a stirrer, stirring and mixing at a stirring speed of 100rpm for 20min, then crushing by using a ball mill, controlling the rotating speed rate of the ball mill to be 75%, repeatedly carrying out ball milling for 15min, adjusting the rotating speed rate of the ball mill to be 55%, repeatedly carrying out ball milling for 30min, and preparing a ball grinding material for later use;
5) taking 65 parts of polyvinyl alcohol, 60 parts of calcium acrylate, 50 parts of polyisoprene, 46 parts of sugar filter mud and 40 parts of triethanolamine, putting the materials into a stirrer, stirring and mixing at the stirring speed of 50rpm for 1h, and then carrying out hot pressing treatment at the temperature of 80 ℃, under the pressure of 1.5MPa for 20min to obtain a hot-pressed mixture for later use;
6) taking 40 parts of hexenyl bis stearamide, 36 parts of butyl stearate, 24 parts of polybutylene glycol adipate and 16 parts of sodium fluoride, putting the materials into a stirrer, stirring and mixing at the stirring speed of 30rpm for 10min, and then carrying out cold pressing treatment at the temperature of 5 ℃, the pressure of 0.6MPa for 1h to prepare a cold-pressed mixture for later use;
7) and (3) putting the ball grinding material prepared in the step 4), the hot-pressing mixture prepared in the step 5) and the cold-pressing mixture prepared in the step 6) into a stirrer, stirring and mixing at the stirring speed of 60rpm for 10min, and grinding by using a circulation grinding process after stirring is finished to obtain the ball grinding material.
Example 3
A quick-setting high-strength binding material for a prefabricated assembly type building cement base is prepared from the following materials in parts by weight: 330 parts of dolomite, 200 parts of red shale, 130 parts of carbon chromium slag, 70 parts of phosphogypsum, 60 parts of high-silicon vanadium tailings, 55 parts of polyvinyl alcohol, 50 parts of calcium acrylate, 45 parts of carboxymethyl cellulose, 40 parts of polyisoprene, 38 parts of sugar filter mud, 35 parts of triethanolamine, 30 parts of hexenyl bis-stearamide, 28 parts of butyl stearate, 20 parts of polytetramethylene glycol adipate and 13 parts of sodium fluoride.
A preparation method of a rapid-setting high-strength binding material for a prefabricated assembly type building cement base comprises the following steps:
1) crushing 330 parts of dolomite, 200 parts of red shale, 70 parts of phosphogypsum and 60 parts of high-silicon vanadium tailings by using a crusher, wherein the powder size is 250 meshes, stirring and mixing by using a stirrer at the stirring speed of 90rpm for 20min, presintering after stirring, and preparing a presintering material for later use, wherein the presintering temperature is 160 ℃ and the time is 40 min;
2) putting the pre-sintered material prepared in the step 1) into a homogenizing silo, using a four-component stirring method, wherein the pressure of stirring air is 2.9kg/cm2, the pressure of inflating air is 2.4kg/cm2, the time is 5 hours, then calcining, the initial calcining temperature is 230 ℃, the time is 30 minutes, then the temperature is increased to 480 ℃, the time is 2 hours, then the temperature is increased to 700 ℃, the time is 2 hours, then the temperature is increased to 1350 ℃, the time is 4 hours, and finally rapidly cooling to room temperature to prepare clinker for later use;
3) taking 130 parts of carbon-chromium slag and 45 parts of carboxymethyl cellulose, putting the carbon-chromium slag and the carboxymethyl cellulose into a high-speed stirrer for stirring at the stirring speed of 1200rpm for 55min, then baking at the initial baking temperature of 70 ℃ for 21min, raising the temperature to 145 ℃ for 2h, and thus obtaining a baking modified material;
4) putting the clinker prepared in the step 2) and the baking modified material prepared in the step 3) into a stirrer, stirring and mixing at a stirring speed of 150rpm for 28min, then crushing by using a ball mill, controlling the rotation rate of the ball mill to be 80%, repeatedly performing ball milling for 25min, adjusting the rotation rate of the ball mill to be 60%, repeatedly performing ball milling for 40min, and preparing a ball grinding material for later use;
5) taking 55 parts of polyvinyl alcohol, 50 parts of calcium acrylate, 40 parts of polyisoprene, 38 parts of sugar filter mud and 35 parts of triethanolamine, putting the materials into a stirrer, stirring and mixing at the stirring speed of 60rpm for 2 hours, and then carrying out hot pressing treatment at the temperature of 85 ℃, the pressure of 1.7MPa for 25min to prepare a hot-pressed mixture for later use;
6) taking 30 parts of hexenyl bis stearamide, 28 parts of butyl stearate, 20 parts of polybutylene glycol adipate and 13 parts of sodium fluoride, putting the materials into a stirrer, stirring and mixing at the stirring speed of 40rpm for 14min, and then carrying out cold pressing treatment at the temperature of 7 ℃, the pressure of 0.8MPa for 2h to prepare a cold pressing mixture for later use;
7) and (3) putting the ball grinding material prepared in the step 4), the hot-pressing mixture prepared in the step 5) and the cold-pressing mixture prepared in the step 6) into a stirrer, stirring and mixing at the stirring speed of 70rpm for 13min, and grinding by using a circulation grinding process after stirring is finished to obtain the ball grinding material.
Experimental example:
subject: ordinary portland cement and the fast-setting high-strength cementitious material prepared in the third example of the invention.
And selecting the ordinary portland cement as a control group, and selecting the quick-setting high-strength adhesive material prepared in the third embodiment of the invention as an experimental group.
The experimental requirements are as follows: the performance of the ordinary Portland cement and the quick-setting high-strength cohesive material prepared in the third embodiment of the invention are tested.
Table 1 shows the results of information collection in the performance test of the subjects
TABLE 1
By combining the table 1, compared with the ordinary portland cement and the rapid-setting high-strength adhesive material for the prefabricated assembly type building cement base prepared in the third embodiment of the invention, it can be seen that the rapid-setting high-strength adhesive material for the prefabricated assembly type building cement base has not only rapid setting performance and good adhesive performance, but also good mechanical property and good corrosion resistance.
The invention has the beneficial effects that: fluoride ions in the sodium fluoride can react with calcium hydroxide generated by hydration of the material to generate calcium fluoride with lower solubility, a large amount of crystals are separated out, and a large amount of calcium ions are consumed, so that a double electric layer structure is difficult to form on the surface of tricalcium silicate, the induction period of tricalcium silicate disappears, the delayed coagulation effect of gypsum in cement is eliminated, the cement can be rapidly coagulated, and the early strength of the material is improved; the carboxymethyl cellulose can modify the carbon-chromium slag, and the modified porous modified layer on the surface of the carbon-chromium slag can weaken the boundary wall effect and the micro-area bleeding effect, improve the structure and the density of an interface transition area, simultaneously enhance the mechanical meshing effect between the surface and a contact surface, and improve the interface bonding strength.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention.
Claims (1)
1. The utility model provides a prefabricated assembled building cement is quick setting high strength cohesiveness material for base which characterized in that: the material is prepared from the following materials in parts by weight: 360 parts of dolomite, 150 parts of red shale, 100 parts of carbon chromium slag, 60 parts of phosphogypsum, 50 parts of high-silicon vanadium tailings, 45 parts of polyvinyl alcohol, 40 parts of calcium acrylate, 40 parts of carboxymethyl cellulose, 30 parts of polyisoprene, 30 parts of sugar filter mud, 30 parts of triethanolamine, 20 parts of hexenyl bis-stearamide, 20 parts of butyl stearate, 16 parts of polytetramethylene glycol adipate and 10 parts of sodium fluoride; the preparation method of the rapid-setting high-strength binding material for the prefabricated assembly type building cement base comprises the following steps:
1) crushing 360 parts of dolomite, 150 parts of red shale, 60 parts of phosphogypsum and 50 parts of high-silicon vanadium tailings by using a crusher, wherein the powder size is 300 meshes, stirring and mixing by using a stirrer at the stirring speed of 100rpm for 24min, presintering after stirring, and preparing a presintering material for later use, wherein the presintering temperature is 170 ℃ and the time is 50 min;
2) placing the pre-sintered material prepared in the step 1) into a homogenizing silo, and using a four-component stirring method, wherein the pressure of stirring air is 3.1kg/cm2The pressure of the air to be inflated was 2.6kg/cm2The calcination is carried out for 6 hours, the calcination initial temperature is 260 ℃ and the calcination time is 40min, then the temperature is raised to 500 ℃ and the calcination time is 3 hours, then the temperature is raised to 750 ℃ and the calcination time is 3 hours, then the temperature is raised to 1400 ℃ and the calcination time is 5 hours, and finally the clinker is rapidly cooled to the room temperature to prepare the clinker for later use;
3) taking 100 parts of carbon-chromium slag and 40 parts of carboxymethyl cellulose, putting the carbon-chromium slag and the carboxymethyl cellulose into a high-speed stirrer for stirring at the stirring speed of 1300rpm for 60min, then baking at the initial baking temperature of 80 ℃ for 26min, raising the temperature to 160 ℃, and baking for 3h to obtain a baked modified material;
4) putting the clinker prepared in the step 2) and the baking modified material prepared in the step 3) into a stirrer, stirring and mixing at the stirring speed of 200rpm for 36min, then crushing by using a ball mill, controlling the rotation rate of the ball mill to be 85%, repeatedly performing ball milling for 35min, adjusting the rotation rate of the ball mill to 65%, repeatedly performing ball milling for 50min, and preparing a ball grinding material for later use;
5) taking 45 parts of polyvinyl alcohol, 40 parts of calcium acrylate, 30 parts of polyisoprene, 30 parts of sugar filter mud and 30 parts of triethanolamine, putting the mixture into a stirrer, stirring and mixing at the stirring speed of 70rpm for 3 hours, and then carrying out hot pressing treatment at the temperature of 90 ℃, under the pressure of 1.9MPa for 30 minutes to prepare a hot-pressed mixture for later use;
6) taking 20 parts of hexenyl bis stearamide, 20 parts of butyl stearate, 16 parts of polybutylene adipate and 10 parts of sodium fluoride, putting the materials into a stirrer, stirring and mixing at the stirring speed of 50rpm for 18min, and then carrying out cold pressing treatment at the temperature of 9 ℃, the pressure of 1.0MPa for 3h to prepare a cold pressing mixture for later use;
7) and (3) putting the ball grinding material prepared in the step 4), the hot-pressing mixture prepared in the step 5) and the cold-pressing mixture prepared in the step 6) into a stirrer, stirring and mixing at the stirring speed of 80rpm for 16min, and grinding by using a circulation grinding process after stirring is finished to obtain the ball grinding material.
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| WO1992000935A1 (en) * | 1990-07-12 | 1992-01-23 | The Victoria University Of Manchester | A method of preparing dental ceramics for bonding |
| CN101121583A (en) * | 2007-07-13 | 2008-02-13 | 肥城润东建材有限公司 | Dry powder ceramic tile binding agent |
| CN105198273A (en) * | 2015-11-02 | 2015-12-30 | 宋介珍 | Concrete compound type chloride-free early strength agent and preparation method thereof |
| CN107162538A (en) * | 2017-07-13 | 2017-09-15 | 长荣新材料技术有限公司 | A kind of binding material of utilization polymer modification sulphoaluminate cement base |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO1992000935A1 (en) * | 1990-07-12 | 1992-01-23 | The Victoria University Of Manchester | A method of preparing dental ceramics for bonding |
| CN101121583A (en) * | 2007-07-13 | 2008-02-13 | 肥城润东建材有限公司 | Dry powder ceramic tile binding agent |
| CN105198273A (en) * | 2015-11-02 | 2015-12-30 | 宋介珍 | Concrete compound type chloride-free early strength agent and preparation method thereof |
| CN107162538A (en) * | 2017-07-13 | 2017-09-15 | 长荣新材料技术有限公司 | A kind of binding material of utilization polymer modification sulphoaluminate cement base |
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