Summary of the invention
The purpose of this invention is to provide a kind of ready-mixed mortar thickening plasticity-maintaining agent, it has the characteristics of the performance of improving mortar.
To achieve these goals; Technical scheme of the present invention is: ready-mixed mortar thickening plasticity-maintaining agent; It is characterized in that it forms by comprising modification sodium bentonite, hydroxypropyl methyl cellulose ether, phosphorus slag powder and polycarboxylate water-reducer raw materials mix, the mass fraction of each raw material is: modification sodium bentonite 20-35 part, hydroxypropyl methyl cellulose ether 0.40-0.60 part, phosphorus slag powder 100-200 part, polycarboxylate water-reducer 3.0-5.0 part.
Described ready-mixed mortar thickening plasticity-maintaining agent; Raw material also comprises Sunmorl N 60S, and the mass fraction of each raw material is: modification sodium bentonite 20-35 part, hydroxypropyl methyl cellulose ether 0.40-0.60 part, Sunmorl N 60S 0.20-0.60 part, phosphorus slag powder 100-200 part, polycarboxylate water-reducer 3.0-5.0 part.
Described ready-mixed mortar thickening plasticity-maintaining agent; Raw material is formed by modification sodium bentonite, hydroxypropyl methyl cellulose ether, phosphorus slag powder and polycarboxylate water-reducer raw materials mix, and the mass fraction of each raw material is: modification sodium bentonite 30-35 part, hydroxypropyl methyl cellulose ether 0.40-0.60 part, phosphorus slag powder 100-150 part, polycarboxylate water-reducer 3.0-4.0 part.Be applicable to preparation dry-mixed masonry mortar (being to be applicable to do the thickening plasticity-maintaining agent that mixes masonry mortar).
Described ready-mixed mortar thickening plasticity-maintaining agent; Raw material is formed by modification sodium bentonite, hydroxypropyl methyl cellulose ether, phosphorus slag powder and polycarboxylate water-reducer raw materials mix, and the mass fraction of each raw material is: modification sodium bentonite 25-30 part, hydroxypropyl methyl cellulose ether 0.50-0.60 part, phosphorus slag powder 150-200 part, polycarboxylate water-reducer 3.5-4.5 part.Be applicable to preparation dry powder motar (being the thickening plasticity-maintaining agent that is applicable to dry-mixed plastering mortar).
Described ready-mixed mortar thickening plasticity-maintaining agent; Raw material is formed by modification sodium bentonite, hydroxypropyl methyl cellulose ether, phosphorus slag powder and polycarboxylate water-reducer raw materials mix, and the mass fraction of each raw material is: modification sodium bentonite 20-30 part, hydroxypropyl methyl cellulose ether 0.40-0.50 part, phosphorus slag powder 100-150 part, polycarboxylate water-reducer 3.0-3.5 part.Be applicable to preparation dry powder ground mortar (being to be applicable to do the thickening plasticity-maintaining agent that mixes the ground mortar).
Described ready-mixed mortar thickening plasticity-maintaining agent; Raw material is formed by modification sodium bentonite, hydroxypropyl methyl cellulose ether, Sunmorl N 60S, phosphorus slag powder and polycarboxylate water-reducer raw materials mix, and the mass fraction of each raw material is: modification sodium bentonite 25-35 part, hydroxypropyl methyl cellulose ether 0.40-0.60 part, Sunmorl N 60S 0.20-0.40 part, phosphorus slag powder 100-150 part, polycarboxylate water-reducer 3.5-4.5 part.Be applicable to preparation wet-mixing masonry mortar (being the thickening plasticity-maintaining agent that is applicable to the wet-mixing masonry mortar).
Described ready-mixed mortar thickening plasticity-maintaining agent; Raw material is formed by modification sodium bentonite, hydroxypropyl methyl cellulose ether, Sunmorl N 60S, phosphorus slag powder and polycarboxylate water-reducer raw materials mix, and the mass fraction of each raw material is: modification sodium bentonite 20-30 part, hydroxypropyl methyl cellulose ether 0.50-0.60 part, Sunmorl N 60S 0.35-0.60 part, phosphorus slag powder 100-200 part, polycarboxylate water-reducer 4.0-5.0 part.Be applicable to preparation wet-mixing motar (being the thickening plasticity-maintaining agent that is applicable to the wet-mixing motar).
Described ready-mixed mortar thickening plasticity-maintaining agent; Raw material is formed by modification sodium bentonite, hydroxypropyl methyl cellulose ether, Sunmorl N 60S, phosphorus slag powder and polycarboxylate water-reducer raw materials mix, and the mass fraction of each raw material is: modification sodium bentonite 20-35 part, hydroxypropyl methyl cellulose ether 0.40-0.50 part, Sunmorl N 60S 0.30-0.50 part, phosphorus slag powder 100-150 part, polycarboxylate water-reducer 3.0-3.5 part.Be applicable to preparation wet-mixing ground mortar (being the thickening plasticity-maintaining agent that is applicable to wet-mixing ground mortar).
Specific surface area>the 400m of described phosphorus slag powder
2/ kg, P
2O
5Content be 4.0~5.0%.
Described polycarboxylate water-reducer is Powdered, water ratio<2%, water-reducing rate>20%.
The whiteness of described modification sodium bentonite>85%, granularity>400 orders, pH value are 9~11.
Described hydroxypropyl methyl cellulose ether is a white powder, and viscosity is 75000mPas.
Described Sunmorl N 60S is the pale yellow powder shape, effective content>98%, and reduzate<0.9%, water ratio<0.3% can make mortar have long operable time as retardant.
Described modification sodium bentonite and hydroxypropyl methyl cellulose ether play the water-keeping thickening effect.
Described phosphorus slag powder is a carrier, also can play the mortar effect of time of coagulation of regulating.
The preparation method of ready-mixed mortar thickening plasticity-maintaining agent of the present invention is following:
Quality proportioning by above-mentioned takes by weighing each starting material, adds in the mixer, mixes, and can obtain product of the present invention.
The invention has the beneficial effects as follows:
1) having utilized industrial residue---phosphorus slag meets the policy that country fully utilizes industrial residue;
2) can improve the performance of mortar: after using the present invention; Can improve water retentivity of mortar, cohesiveness, pliability significantly; Make mortar have operating handle preferably; Serviceability guaranteeing mortar satisfies under the prerequisite of construction requirement, can also improve ultimate compression strength, the cohesive strength of mortar significantly, and reduces the shrinking percentage of mortar;
3) the present invention is easy to use, need not to be dissolved in water, and directly adds in the mortar mixture and can use;
4) be applicable to masonry mortar, motar and ground mortar.
Embodiment
In order to understand the present invention better, further illustrate content of the present invention below in conjunction with embodiment, but content of the present invention not only is confined to following embodiment.
Embodiment 1~6:
The raw material of embodiment 1~6 and fill a prescription as shown in table 1.
Table 1, the formula table of ready-mixed mortar thickening plasticity-maintaining agent (mass fraction)
The specific surface area of described phosphorus slag powder is 410m
2/ kg, P
2O
5Content be 4.68%.
Described polycarboxylate water-reducer is Powdered, and water ratio is 1.58%, and water-reducing rate is 23%.
The whiteness of described modification sodium bentonite is 90%, and granularity is 460 orders, and the pH value is 10.
Described hydroxypropyl methyl cellulose ether is a white powder, and viscosity is 75000mPas.
Described Sunmorl N 60S is the pale yellow powder shape, and effective content is 98.5%, and reduzate is 0.6%, and water ratio is 0.2%.
The preparation method of above-mentioned ready-mixed mortar thickening plasticity-maintaining agent is following: the quality proportioning by above-mentioned takes by weighing each starting material, adds in the mixer, mixes, and can obtain product of the present invention.
Use the dry-mixed mortar of embodiment of the invention 1-3 prescription and the wet mixing mortar performance of embodiment 4-6 prescription (to design mortar mix ratio) as follows according to M15:
(a) use doing of embodiment 1 to mix the masonry mortar performance:
(cement: flyash: ready-mixed mortar thickening plasticity-maintaining agent: sand: water=220: 110: 60: 1380: 250)
Delamination degree 12mm;
Initial consistency 93mm;
1h denseness 70mm;
Operable time 1.5h;
Time of coagulation 8.5h;
28d ultimate compression strength 22.4MPa;
28d shrinking percentage 0.0554%.
Explained: the present invention can improve water retentivity of mortar (delamination degree is 12mm), cohesiveness (delamination degree is 12mm), pliability significantly; Make mortar have operating handle preferably; Serviceability guaranteeing mortar satisfies under the prerequisite of construction requirement; Can also improve the ultimate compression strength (28d ultimate compression strength 22.4MPa) of mortar significantly, and reduce the shrinking percentage (28d shrinking percentage 0.0554%) of mortar.
(b) the dry-mixed plastering mortar performance of use embodiment 2:
(cement: flyash: ready-mixed mortar thickening plasticity-maintaining agent: sand: water=270: 40: 80: 1360: 260)
Delamination degree 10mm;
Initial consistency 100mm;
1h denseness 78mm;
Operable time 2.0h;
Time of coagulation 10.0h;
14d cohesive strength 0.35MPa;
28d ultimate compression strength 20.5MPa;
28d shrinking percentage 0.0562%.
Explained: the present invention can improve water retentivity of mortar (delamination degree is 10mm), cohesiveness (delamination degree is 10mm), pliability significantly; Make mortar have operating handle preferably; Serviceability guaranteeing mortar satisfies under the prerequisite of construction requirement; Can also improve ultimate compression strength (28d ultimate compression strength 20.5MPa), the cohesive strength (14d cohesive strength 0.35MPa) of mortar significantly, and reduce the shrinking percentage (28d shrinking percentage 0.0562%) of mortar.
(c) use doing of embodiment 3 to mix the ground mortar performance:
(cement: flyash: ready-mixed mortar thickening plasticity-maintaining agent: sand: water=260: 65: 50: 1420: 235)
Delamination degree 15mm;
Initial consistency 82mm;
1h denseness 57mm;
Operable time 1.5h;
Time of coagulation 7.5h;
28d ultimate compression strength 23.9MPa;
28d shrinking percentage 0.0676%.
Explained: the present invention can improve water retentivity of mortar (delamination degree is 15mm), cohesiveness (delamination degree is 15mm), pliability significantly; Make mortar have operating handle preferably; Serviceability guaranteeing mortar satisfies under the prerequisite of construction requirement; Can also improve the ultimate compression strength (28d ultimate compression strength 23.9MPa) of mortar significantly, and reduce the shrinking percentage (28d shrinking percentage 0.0676%) of mortar.
(d) the wet-mixing masonry mortar performance of use embodiment 4:
(cement: flyash: ready-mixed mortar thickening plasticity-maintaining agent: sand: water=230: 80: 90: 1370: 260)
Delamination degree 11mm;
Initial consistency 95mm;
6h denseness 78mm;
Operable time 8.0h;
Time of coagulation 16.5h;
28d ultimate compression strength 21.5MPa;
28d shrinking percentage 0.0625%.
Explained: the present invention can improve water retentivity of mortar (delamination degree is 11mm), cohesiveness (delamination degree is 11mm), pliability significantly; Make mortar have operating handle preferably; Serviceability guaranteeing mortar satisfies under the prerequisite of construction requirement; Can also improve the ultimate compression strength (28d ultimate compression strength 21.5MPa) of mortar significantly, and reduce the shrinking percentage (28d shrinking percentage 0.0625%) of mortar.
(e) the wet-mixing motar performance of use embodiment 5:
(cement: flyash: ready-mixed mortar thickening plasticity-maintaining agent: sand: water=280: 55: 75: 1350: 270)
Delamination degree 9mm;
Initial consistency 103mm;
6h denseness 92mm;
Operable time 9.0h;
Time of coagulation 18.5h;
14d cohesive strength 0.32MPa;
28d ultimate compression strength 22.1MPa;
28d shrinking percentage 0.0732%.
Explained: the present invention can improve water retentivity of mortar (delamination degree is 9mm), cohesiveness (delamination degree is 9mm), pliability significantly; Make mortar have operating handle preferably; Serviceability guaranteeing mortar satisfies under the prerequisite of construction requirement; Can also improve ultimate compression strength (28d ultimate compression strength 22.1MPa), the cohesive strength (14d cohesive strength 0.32MPa) of mortar significantly, and reduce the shrinking percentage (28d shrinking percentage 0.0732%) of mortar.
(f) the wet-mixing ground mortar performance of use embodiment 6:
(cement: flyash: ready-mixed mortar thickening plasticity-maintaining agent: sand: water=270: 70: 50: 1410: 245)
Delamination degree 13mm;
Initial consistency 86mm;
6h denseness 76mm;
Operable time 8.5h;
Time of coagulation 16.0h;
28d ultimate compression strength 24.6MPa;
28d shrinking percentage 0.0685%.
Explained: the present invention can improve water retentivity of mortar (delamination degree is 13mm), cohesiveness (delamination degree is 13mm), pliability significantly; Make mortar have operating handle preferably; Serviceability guaranteeing mortar satisfies under the prerequisite of construction requirement; Can also improve the ultimate compression strength (28d ultimate compression strength 24.6MPa) of mortar significantly, and reduce the shrinking percentage (28d shrinking percentage 0.0685%) of mortar.
Embodiment 7:
Described ready-mixed mortar thickening plasticity-maintaining agent; Be made up of modification sodium bentonite, hydroxypropyl methyl cellulose ether, phosphorus slag powder and polycarboxylate water-reducer, the mass fraction of each raw material is: 30 parts of modification sodium bentonites, 0.40 part of hydroxypropyl methyl cellulose ether, 100 parts of phosphorus slag powder, 3.0 parts of polycarboxylate water-reducers.Be applicable to the dried masonry mortar that mixes of preparation.
The preparation method of above-mentioned ready-mixed mortar thickening plasticity-maintaining agent is following: the quality proportioning by above-mentioned takes by weighing each starting material, adds in the mixer, mixes, and can obtain product of the present invention.
Embodiment 8:
Described ready-mixed mortar thickening plasticity-maintaining agent; Be made up of modification sodium bentonite, hydroxypropyl methyl cellulose ether, phosphorus slag powder and polycarboxylate water-reducer, the mass fraction of each raw material is: 35 parts of modification sodium bentonites, 0.60 part of hydroxypropyl methyl cellulose ether, 150 parts of phosphorus slag powder, 4.0 parts of polycarboxylate water-reducers.Be applicable to the dried masonry mortar that mixes of preparation.
The preparation method of above-mentioned ready-mixed mortar thickening plasticity-maintaining agent is following: the quality proportioning by above-mentioned takes by weighing each starting material, adds in the mixer, mixes, and can obtain product of the present invention.
Embodiment 9:
Described ready-mixed mortar thickening plasticity-maintaining agent; Be made up of modification sodium bentonite, hydroxypropyl methyl cellulose ether, phosphorus slag powder and polycarboxylate water-reducer, the mass fraction of each raw material is: 25 parts of modification sodium bentonites, 0.50 part of hydroxypropyl methyl cellulose ether, 150 parts of phosphorus slag powder, 3.5 parts of polycarboxylate water-reducers.Be applicable to the preparation dry-mixed plastering mortar.
The preparation method of above-mentioned ready-mixed mortar thickening plasticity-maintaining agent is following: the quality proportioning by above-mentioned takes by weighing each starting material, adds in the mixer, mixes, and can obtain product of the present invention.
Embodiment 10:
Described ready-mixed mortar thickening plasticity-maintaining agent; Be made up of modification sodium bentonite, hydroxypropyl methyl cellulose ether, phosphorus slag powder and polycarboxylate water-reducer, the mass fraction of each raw material is: 30 parts of modification sodium bentonites, 0.60 part of hydroxypropyl methyl cellulose ether, 200 parts of phosphorus slag powder, 4.5 parts of polycarboxylate water-reducers.Be applicable to the preparation dry-mixed plastering mortar.
The preparation method of above-mentioned ready-mixed mortar thickening plasticity-maintaining agent is following: the quality proportioning by above-mentioned takes by weighing each starting material, adds in the mixer, mixes, and can obtain product of the present invention.
Embodiment 11:
Described ready-mixed mortar thickening plasticity-maintaining agent; Be made up of modification sodium bentonite, hydroxypropyl methyl cellulose ether, phosphorus slag powder and polycarboxylate water-reducer, the mass fraction of each raw material is: 20 parts of modification sodium bentonites, 0.40 part of hydroxypropyl methyl cellulose ether, 100 parts of phosphorus slag powder, 3.0 parts of polycarboxylate water-reducers.Be applicable to preparation dry powder ground mortar.
The preparation method of above-mentioned ready-mixed mortar thickening plasticity-maintaining agent is following: the quality proportioning by above-mentioned takes by weighing each starting material, adds in the mixer, mixes, and can obtain product of the present invention.
Embodiment 12:
Described ready-mixed mortar thickening plasticity-maintaining agent; Be made up of modification sodium bentonite, hydroxypropyl methyl cellulose ether, phosphorus slag powder and polycarboxylate water-reducer, the mass fraction of each raw material is: 30 parts of modification sodium bentonites, 0.50 part of hydroxypropyl methyl cellulose ether, 150 parts of phosphorus slag powder, 3.5 parts of polycarboxylate water-reducers.Be applicable to preparation dry powder ground mortar.
The preparation method of above-mentioned ready-mixed mortar thickening plasticity-maintaining agent is following: the quality proportioning by above-mentioned takes by weighing each starting material, adds in the mixer, mixes, and can obtain product of the present invention.
Embodiment 13:
Described ready-mixed mortar thickening plasticity-maintaining agent; Be made up of modification sodium bentonite, hydroxypropyl methyl cellulose ether, Sunmorl N 60S, phosphorus slag powder and polycarboxylate water-reducer, the mass fraction of each raw material is: 25 parts of modification sodium bentonites, 0.40 part of hydroxypropyl methyl cellulose ether, 0.20 part of Sunmorl N 60S, 100 parts of phosphorus slag powder, 3.5 parts of polycarboxylate water-reducers.Be applicable to preparation wet-mixing masonry mortar.
The preparation method of above-mentioned ready-mixed mortar thickening plasticity-maintaining agent is following: the quality proportioning by above-mentioned takes by weighing each starting material, adds in the mixer, mixes, and can obtain product of the present invention.
Embodiment 14:
Described ready-mixed mortar thickening plasticity-maintaining agent; Be made up of modification sodium bentonite, hydroxypropyl methyl cellulose ether, Sunmorl N 60S, phosphorus slag powder and polycarboxylate water-reducer, the mass fraction of each raw material is: 35 parts of modification sodium bentonites, 0.60 part of hydroxypropyl methyl cellulose ether, 0.40 part of Sunmorl N 60S, 150 parts of phosphorus slag powder, 4.5 parts of polycarboxylate water-reducers.Be applicable to preparation wet-mixing masonry mortar.
The preparation method of above-mentioned ready-mixed mortar thickening plasticity-maintaining agent is following: the quality proportioning by above-mentioned takes by weighing each starting material, adds in the mixer, mixes, and can obtain product of the present invention.
Embodiment 15:
Described ready-mixed mortar thickening plasticity-maintaining agent; Be made up of modification sodium bentonite, hydroxypropyl methyl cellulose ether, Sunmorl N 60S, phosphorus slag powder and polycarboxylate water-reducer, the mass fraction of each raw material is: 20 parts of modification sodium bentonites, 0.50 part of hydroxypropyl methyl cellulose ether, 0.35 part of Sunmorl N 60S, 100 parts of phosphorus slag powder, 4.0 parts of polycarboxylate water-reducers.Be applicable to preparation wet-mixing motar.
The preparation method of above-mentioned ready-mixed mortar thickening plasticity-maintaining agent is following: the quality proportioning by above-mentioned takes by weighing each starting material, adds in the mixer, mixes, and can obtain product of the present invention.
Embodiment 16:
Described ready-mixed mortar thickening plasticity-maintaining agent; Be made up of modification sodium bentonite, hydroxypropyl methyl cellulose ether, Sunmorl N 60S, phosphorus slag powder and polycarboxylate water-reducer, the mass fraction of each raw material is: 30 parts of modification sodium bentonites, 0.60 part of hydroxypropyl methyl cellulose ether, 0.60 part of Sunmorl N 60S, 200 parts of phosphorus slag powder, 5.0 parts of polycarboxylate water-reducers.Be applicable to preparation wet-mixing motar.
The preparation method of above-mentioned ready-mixed mortar thickening plasticity-maintaining agent is following: the quality proportioning by above-mentioned takes by weighing each starting material, adds in the mixer, mixes, and can obtain product of the present invention.
Embodiment 17:
Described ready-mixed mortar thickening plasticity-maintaining agent; Be made up of modification sodium bentonite, hydroxypropyl methyl cellulose ether, Sunmorl N 60S, phosphorus slag powder and polycarboxylate water-reducer, the mass fraction of each raw material is: 20 parts of modification sodium bentonites, 0.40 part of hydroxypropyl methyl cellulose ether, 0.30 part of Sunmorl N 60S, 100 parts of phosphorus slag powder, 3.0 parts of polycarboxylate water-reducers.Be applicable to preparation wet-mixing ground mortar.
The preparation method of above-mentioned ready-mixed mortar thickening plasticity-maintaining agent is following: the quality proportioning by above-mentioned takes by weighing each starting material, adds in the mixer, mixes, and can obtain product of the present invention.
Embodiment 18:
Described ready-mixed mortar thickening plasticity-maintaining agent; Be made up of modification sodium bentonite, hydroxypropyl methyl cellulose ether, Sunmorl N 60S, phosphorus slag powder and polycarboxylate water-reducer, the mass fraction of each raw material is: 35 parts of modification sodium bentonites, 0.50 part of hydroxypropyl methyl cellulose ether, 0.50 part of Sunmorl N 60S, 150 parts of phosphorus slag powder, 3.5 parts of polycarboxylate water-reducers.Be applicable to preparation wet-mixing ground mortar.
The preparation method of above-mentioned ready-mixed mortar thickening plasticity-maintaining agent is following: the quality proportioning by above-mentioned takes by weighing each starting material, adds in the mixer, mixes, and can obtain product of the present invention.
The bound of each raw material of the present invention, interval value can both realize the present invention's (parameter that contains each raw material), do not enumerate embodiment one by one at this.Described protection scope of the present invention is not limited to the above embodiments, and other technical scheme identical with essence of the present invention all belongs to the scope of the present invention's protection.