CN113955985A - Dry-mixed mortar and preparation method thereof - Google Patents
Dry-mixed mortar and preparation method thereof Download PDFInfo
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- CN113955985A CN113955985A CN202111323357.XA CN202111323357A CN113955985A CN 113955985 A CN113955985 A CN 113955985A CN 202111323357 A CN202111323357 A CN 202111323357A CN 113955985 A CN113955985 A CN 113955985A
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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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00637—Uses not provided for elsewhere in C04B2111/00 as glue or binder for uniting building or structural materials
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/10—Mortars, concrete or artificial stone characterised by specific physical values for the viscosity
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses dry-mixed mortar and a preparation method thereof, wherein the dry-mixed mortar comprises the following components in parts by weight: 80-100 parts of cement, 60-80 parts of modified quartz sand, 1-3 parts of redispersible latex powder, 5-10 parts of epoxy resin curing agent, 8-15 parts of fly ash and 0.5-1 part of external additive; a preparation method of dry powder mortar comprises the following steps: mixing quartz sand with different particle sizes, adding a silane coupling agent, carboxymethyl cellulose, sodium lignin sulfonate and deionized water, and drying to obtain modified quartz sand; dissolving epoxy resin in an organic solvent, sequentially adding a curing agent and an accelerant, uniformly mixing, and curing to obtain an epoxy resin curing agent; the components are stirred and mixed evenly to prepare the dry powder mortar. The prepared dry powder mortar has strong bonding property and durable and stable bonding property through the compounding and synergistic effect of the components, is applied to bonding of ceramic tiles, and has the characteristics of long lasting time and difficult falling.
Description
Technical Field
A dry powder mortar and a preparation method thereof belong to the field of building materials, and particularly relate to a dry powder mortar and a preparation method thereof.
Background
The dry powder mortar is also called as mortar dry powder, dry mixed mortar and dry mixed powder, and is a granular or powdery material prepared by physically mixing dry and screened aggregate (such as quartz sand), inorganic cementing material (such as cement) and additive (such as polymer) according to a certain proportion, and the granular or powdery material is transported to a construction site in a bag or in bulk form and can be directly used after being mixed with water.
The dry powder mortar is classified into masonry mortar, plastering mortar, ground mortar, waterproof mortar, bonding mortar, self-leveling mortar and the like according to different purposes. The bonding mortar has extremely high requirement on the bonding property, and particularly the bonding property of the bonding mortar for the external wall ceramic tile is extremely good. Ceramic tiles, as an important wall and floor decoration material, have the advantages of being simple, elegant, smooth, beautiful, attractive and the like, have the characteristics of waterproof, hard surface, long service life, easy cleaning and the like, and are increasingly widely used for decoration of the interior and exterior of buildings. The tile bonding mortar is a bonding agent mainly used for tiles and face bricks, and the bonding strength and durability of the tile bonding mortar directly determine the quality of the tiles in the pasting construction.
The prior common tile bonding mortar has the following defects: the phenomena of hollowing, falling and the like often occur in the bonded ceramic tile, and the problem of poor bonding durability of the bonding mortar not only influences the application of the ceramic tile, but also has the potential safety hazard of falling to hurt people and objects.
Disclosure of Invention
The invention aims to: provides dry powder mortar and a preparation method thereof, which are used for solving the problems of insufficient bonding strength and poor bonding durability of the bonding mortar.
The technical scheme adopted by the invention is as follows:
the dry powder mortar comprises the following components in parts by weight: 80-100 parts of cement, 60-80 parts of modified quartz sand, 1-3 parts of redispersible latex powder, 5-10 parts of epoxy resin curing agent, 8-15 parts of fly ash and 0.5-1 part of external additive; the epoxy resin curing agent comprises epoxy resin, a curing agent and an accelerator, and the external additive comprises polypropylene fiber, lignosulfonate water reducing agent, cellulose ether and sodium tripolyphosphate.
According to the technical scheme, the epoxy resin curing agent is used as the tackifier, the modified quartz sand is used as the aggregate, the bonding strength of the bonding mortar is increased through the compound synergistic effect of the components, the stability and the bonding durability of the mortar are improved, and the action mechanism is as follows: the modified quartz sand is mixed with the redispersible latex powder to prepare emulsion, then the cementing material, the filler, the external additive and the epoxy resin curing agent are sequentially added to prepare the dry powder mortar, and the epoxy resin curing agent, the modified quartz sand, the filler and the like form a net structure, so that the adsorption effect among materials such as aggregate, gel material and the like is increased, and the prepared dry powder mortar has strong bonding property and lasting and stable bonding property.
Further, the weight ratio of the epoxy resin, the curing agent and the accelerator is 50-60: 5-10: 1-5.
Further, the epoxy resin is one or more of bisphenol A type epoxy resin, bisphenol F type epoxy resin and alicyclic epoxy resin.
Further, the curing agent is an amine curing agent and comprises one or more of diethylenetriamine, 4' -diaminodiphenyl sulfone and dicyandiamide.
Further, the accelerant is one or more of aminoethyl piperazine, 2, 4, 6-tri (dimethylaminomethyl) phenol and benzyl dimethylamine.
A preparation method of dry-mixed mortar comprises the following steps:
step 1, preparing modified quartz sand, wherein the preparation method specifically comprises the following steps: ball-milling quartz sand, and sieving to obtain first quartz sand and second quartz sand with different particle sizes; mixing the prepared first quartz sand and the prepared second quartz sand, adding a silane coupling agent for mixing, then adding the mixed solution for stirring, and drying to prepare modified quartz sand;
dissolving epoxy resin in an organic solvent, sequentially adding a curing agent and an accelerator, heating to 50-60 ℃, stirring for 1-2h, and curing at room temperature for 6-12h after molding to obtain an epoxy resin curing agent;
and 3, stirring the redispersible latex powder and the deionized water until the solid is dissolved to prepare emulsion, then placing the modified quartz sand into the emulsion, stirring, drying, and then uniformly mixing with the cement, the fly ash, the external additive and the epoxy resin curing agent prepared in the step 2 to prepare the dry-mixed mortar.
Further, the particle sizes of the first quartz sand and the second quartz sand in the step 1 are 20-60 meshes and 60-150 meshes respectively.
Further, by weight, 20-30 parts of first quartz sand, 40-60 parts of second quartz sand, 10-20 parts of a silane coupling agent and 10-20 parts of a mixed solution.
Further, the mixed solution comprises, by weight, 5-10 parts of carboxymethyl cellulose, 3-5 parts of sodium lignosulfonate and 70-80 parts of deionized water.
Further, the organic solvent includes dichloromethane, ethanol, and dimethylformamide.
The redispersible latex powder, the epoxy resin, the curing agent and the accelerator are all commercially available.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, the raw material formula and the preparation method are improved, the quartz sand with different particle sizes is modified, then is mixed with the redispersible latex powder to prepare the emulsion, and then is sequentially added with the cementing material, the filler, the external additive and the epoxy resin curing agent to prepare the dry powder mortar, so that the prepared dry powder mortar has strong bonding property and lasting and stable bonding property through the compound synergistic effect of the components.
2. The epoxy resin curing agent is used as a tackifier, and in practical application, the epoxy resin curing agent is easy to form a net structure with modified quartz sand, fillers and the like, so that the adsorption effect among materials such as aggregates, gel materials and the like is increased, the cementing strength of the bonding mortar is increased, the ceramic tile is durable in bonding property, and the ceramic tile is not easy to fall off.
3. The invention carries out modification treatment on quartz sand, adopts silane coupling agent to organize the surface of the quartz sand, then utilizes a large amount of hydroxyl and aldehyde groups contained in carboxymethyl cellulose and sodium lignosulfonate molecules to carry out chemical crosslinking reaction and form stable and irreversible chemical covalent bonds, effectively enhances the combination of the quartz sand and other materials, and improves the adsorption force of the quartz sand.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
The dry powder mortar comprises the following components in parts by weight: 80 parts of cement, 60 parts of modified quartz sand, 1 part of redispersible latex powder, 5 parts of epoxy resin curing agent, 8 parts of fly ash and 0.5 part of external additive; the epoxy resin curing agent comprises epoxy resin, a curing agent and an accelerator, and the external additive comprises polypropylene fiber, lignosulfonate water reducing agent, cellulose ether and sodium tripolyphosphate.
The preparation method comprises the following steps:
(1) performing wet ball milling on the quartz sand, and sieving to obtain first quartz sand of 20-30 meshes and second quartz sand of 60-80 meshes;
(2) mixing 20 parts of the first quartz sand and 40 parts of the second quartz sand prepared in the step (1), adding 10 parts of a butadiene-based triethoxysilane coupling agent, stirring and mixing for 10min, then adding a mixed solution consisting of 5 parts of carboxymethyl cellulose, 3 parts of sodium lignosulfonate and 70 parts of deionized water, mixing for 30min, and drying to prepare modified quartz sand;
(3) dissolving bisphenol A epoxy resin in a dichloromethane solvent, sequentially adding diethylenetriamine and aminoethylpiperazine, uniformly mixing, heating to 50-60 ℃, stirring for 1h, and curing at room temperature for 6h after molding to obtain an epoxy resin curing agent, wherein the weight ratio of the bisphenol A epoxy resin to the diethylenetriamine to the aminoethylpiperazine is 50:5: 1;
(4) stirring the redispersible latex powder and deionized water until the solid is dissolved to prepare emulsion, then placing the modified quartz sand into the emulsion, stirring for 30min at the temperature of 40-50 ℃, then drying, sending into a double horizontal shaft forced stirrer, then sequentially adding the cement, the fly ash, the external additive and the epoxy resin curing agent prepared in the step (3), and rapidly stirring for 5min at the rotating speed of 600rpm to uniformly stir and mix all the components to prepare the dry powder mortar.
Example 2
The dry powder mortar comprises the following components in parts by weight: 85 parts of cement, 85 parts of modified quartz sand, 1 part of redispersible latex powder, 6 parts of epoxy resin curing agent, 10 parts of fly ash and 0.5 part of external additive; the epoxy resin curing agent comprises epoxy resin, a curing agent and an accelerator, and the external additive comprises polypropylene fiber, lignosulfonate water reducing agent, cellulose ether and sodium tripolyphosphate.
The preparation method comprises the following steps:
(1) performing wet ball milling on the quartz sand, and sieving to obtain first quartz sand of 30-40 meshes and second quartz sand of 80-90 meshes;
(2) mixing 25 parts of the first quartz sand and 50 parts of the second quartz sand prepared in the step (1), adding 15 parts of gamma-methacryloxypropyltrimethoxysilane, stirring and mixing for 15min, then adding a mixed solution consisting of 8 parts of carboxymethyl cellulose, 4 parts of sodium lignosulfonate and 75 parts of deionized water, mixing for 45min, and drying to prepare modified quartz sand;
(3) dissolving bisphenol A epoxy resin in ethanol, sequentially adding diethylenetriamine and aminoethylpiperazine, uniformly mixing, heating to 50-60 ℃, stirring for 1.5h, and curing at room temperature for 9h after molding to obtain an epoxy resin curing agent, wherein the weight ratio of the bisphenol A epoxy resin to the diethylenetriamine to the aminoethylpiperazine is 60:10: 5;
(4) stirring the redispersible latex powder and deionized water until solids are dissolved to prepare emulsion, then placing the modified quartz sand into the emulsion, stirring for 45min at 40-50 ℃, then drying, sending into a double horizontal shaft forced stirrer, then sequentially adding the cement, the fly ash, the external additive and the epoxy resin curing agent prepared in the step (3), and quickly stirring for 8min at the rotating speed of 700rpm to uniformly stir and mix all the components to prepare the dry powder mortar.
Example 3
The dry powder mortar comprises the following components in parts by weight: 90 parts of cement, 90 parts of modified quartz sand, 2 parts of redispersible latex powder, 8 parts of epoxy resin curing agent, 11 parts of fly ash and 0.8 part of external additive; the epoxy resin curing agent comprises epoxy resin, a curing agent and an accelerator, and the external additive comprises polypropylene fiber, lignosulfonate water reducing agent, cellulose ether and sodium tripolyphosphate.
The preparation method comprises the following steps:
(1) performing wet ball milling on the quartz sand, and sieving to obtain first quartz sand of 40-50 meshes and second quartz sand of 90-100 meshes;
(2) mixing 25 parts of the first quartz sand and 50 parts of the second quartz sand prepared in the step (1), adding 15 parts of gamma-methacryloxypropyltrimethoxysilane, stirring and mixing for 15min, then adding a mixed solution consisting of 8 parts of carboxymethyl cellulose, 4 parts of sodium lignosulfonate and 75 parts of deionized water, mixing for 45min, and drying to prepare modified quartz sand;
(3) dissolving bisphenol F type epoxy resin in a dimethylformamide solvent, sequentially adding 4,4 '-diaminodiphenyl sulfone and 2, 4, 6-tri (dimethylaminomethyl) phenol, uniformly mixing, heating to 50-60 ℃, stirring for 2h, forming, and curing at room temperature for 12h to obtain an epoxy resin curing agent, wherein the weight ratio of the bisphenol F type epoxy resin to the 4, 4' -diaminodiphenyl sulfone to the 2, 4, 6-tri (dimethylaminomethyl) phenol is 55:8: 3;
(4) stirring the redispersible latex powder and deionized water until solids are dissolved to prepare emulsion, then placing the modified quartz sand into the emulsion, stirring for 45min at 40-50 ℃, then drying, sending into a double horizontal shaft forced stirrer, then sequentially adding the cement, the fly ash, the external additive and the epoxy resin curing agent prepared in the step (3), and quickly stirring for 8min at the rotating speed of 700rpm to uniformly stir and mix all the components to prepare the dry powder mortar.
Example 4
The dry powder mortar comprises the following components in parts by weight: 95 parts of cement, 95 parts of modified quartz sand, 3 parts of redispersible latex powder, 8 parts of epoxy resin curing agent, 11 parts of fly ash and 1 part of external additive; the epoxy resin curing agent comprises epoxy resin, a curing agent and an accelerator, and the external additive comprises polypropylene fiber, lignosulfonate water reducing agent, cellulose ether and sodium tripolyphosphate.
The preparation method comprises the following steps:
(1) after wet ball milling is carried out on the quartz sand, sieving is carried out to obtain first quartz sand of 40-50 meshes and second quartz sand of 100-120 meshes;
(2) mixing 25 parts of the first quartz sand and 50 parts of the second quartz sand prepared in the step (1), adding 15 parts of gamma-methacryloxypropyltrimethoxysilane, stirring and mixing for 15min, then adding a mixed solution consisting of 8 parts of carboxymethyl cellulose, 4 parts of sodium lignosulfonate and 75 parts of deionized water, mixing for 45min, and drying to prepare modified quartz sand;
(3) dissolving alicyclic epoxy resin in a dimethylformamide solvent, sequentially adding dicyandiamide and benzyldimethylamine, uniformly mixing, heating to 50-60 ℃, stirring for 1.5h, and curing at room temperature for 9h after molding to obtain an epoxy resin curing agent, wherein the weight ratio of the alicyclic epoxy resin to the dicyandiamide to the benzyldimethylamine is 55:8: 3;
(4) stirring the redispersible latex powder and deionized water until solids are dissolved to prepare emulsion, then placing the modified quartz sand into the emulsion, stirring for 45min at 40-50 ℃, then drying, sending into a double horizontal shaft forced stirrer, then sequentially adding the cement, the fly ash, the external additive and the epoxy resin curing agent prepared in the step (3), and quickly stirring for 8min at the rotating speed of 700rpm to uniformly stir and mix all the components to prepare the dry powder mortar.
Example 5
The dry powder mortar comprises the following components in parts by weight: 100 parts of cement, 80 parts of modified quartz sand, 3 parts of redispersible latex powder, 10 parts of epoxy resin curing agent, 15 parts of fly ash and 1 part of external additive; the epoxy resin curing agent comprises epoxy resin, a curing agent and an accelerator, and the external additive comprises polypropylene fiber, lignosulfonate water reducing agent, cellulose ether and sodium tripolyphosphate.
The preparation method comprises the following steps:
(1) after wet ball milling is carried out on the quartz sand, sieving is carried out to obtain first quartz sand with 50-60 meshes and second quartz sand with 120-150 meshes;
(2) mixing 30 parts of the first quartz sand and 60 parts of the second quartz sand prepared in the step (1), adding 20 parts of vinyl triethoxysilane, stirring and mixing for 20min, then adding a mixed solution consisting of 10 parts of carboxymethyl cellulose, 5 parts of sodium lignosulfonate and 80 parts of deionized water, mixing for 60min, and drying to prepare modified quartz sand;
(3) dissolving alicyclic epoxy resin in a dimethylformamide solvent, sequentially adding dicyandiamide and benzyldimethylamine, uniformly mixing, heating to 50-60 ℃, stirring for 2 hours, forming, and curing at room temperature for 12 hours to obtain an epoxy resin curing agent, wherein the weight ratio of the alicyclic epoxy resin to the dicyandiamide to the benzyldimethylamine is 60:10: 5;
(4) stirring the redispersible latex powder and deionized water until the solid is dissolved to prepare emulsion, then placing the modified quartz sand into the emulsion, stirring for 60min at the temperature of 40-50 ℃, then drying, sending into a double horizontal shaft forced stirrer, then sequentially adding the cement, the fly ash, the external additive and the epoxy resin curing agent prepared in the step (3), and rapidly stirring for 10min at the rotating speed of 800rpm to uniformly stir and mix all the components to prepare the dry powder mortar.
Comparative example 1
The procedure of example 1 was otherwise the same as that of example 1 except that the silica sand of example 1 was not modified and the epoxy resin curing agent was not added.
Comparative example 2
The procedure of example 1 was otherwise the same as that of example 1 except that the silica sand of example 1 was not modified.
Comparative example 3
The same procedure as in example 1 was repeated except that the silica sand obtained in example 1 was modified without adding an epoxy resin curing agent.
Comparative example 4
Dry mortar, conventional in the art, was purchased.
The mortar prepared in the examples 1-5 and the comparative examples 1-4 is applied to bricks, the bricks are painted and leveled, then the ceramic tiles are directly pasted on the bricks, and the bricks are maintained and treated for 5-7 days in the environment with the temperature of 20 +/-3 ℃ and the humidity of 95 percent, and then the test is carried out;
tensile bond strength
Tensile bond strength testing was performed according to GB/T25181-2010 with the test results shown in Table 1;
folding ratio
The folding ratio test is carried out according to GB/T25181-2010, and the test result is shown in Table 1;
table 1: detection result of comprehensive performance index of dry powder mortar
From the test results in table 1 above, it can be seen that the dry mortar prepared in examples 1 to 5 of the present invention increases the tensile bond strength, reduces the fold ratio, significantly improves the bonding property of the bonding mortar, and has a smaller fold ratio, compared to the mortar prepared in comparative examples 1 to 3 and the conventional dry mortar in the field of comparative example 4, which indicates that the mortar has better flexibility, is easy to mold, is convenient for construction, and has better crack resistance.
Claims (10)
1. A dry powder mortar is characterized in that: the dry powder mortar comprises the following components in parts by weight: 80-100 parts of cement, 60-80 parts of modified quartz sand, 1-3 parts of redispersible latex powder, 5-10 parts of epoxy resin curing agent, 8-15 parts of fly ash and 0.5-1 part of external additive; the epoxy resin curing agent comprises epoxy resin, a curing agent and an accelerator, and the external additive comprises polypropylene fiber, lignosulfonate water reducing agent, cellulose ether and sodium tripolyphosphate.
2. The dry-mixed mortar of claim 1, wherein: the weight ratio of the epoxy resin, the curing agent and the accelerator is 50-60: 5-10: 1-5.
3. A dry-mixed mortar as claimed in claim 1 or 2, characterized in that: the epoxy resin is one or more of bisphenol A type epoxy resin, bisphenol F type epoxy resin and alicyclic epoxy resin.
4. A dry-mixed mortar as claimed in claim 1 or 2, characterized in that: the curing agent is an amino curing agent and comprises one or more of diethylenetriamine, 4' -diaminodiphenyl sulfone and dicyandiamide.
5. The dry-mixed mortar of claim 2, wherein: the accelerant is one or more of aminoethyl piperazine, 2, 4, 6-tri (dimethylaminomethyl) phenol and benzyl dimethylamine.
6. The method for preparing dry-mixed mortar according to any one of claims 1 to 5, wherein the steps comprise:
step 1, preparing modified quartz sand, wherein the preparation method specifically comprises the following steps: ball-milling quartz sand, and sieving to obtain first quartz sand and second quartz sand with different particle sizes; mixing the prepared first quartz sand and the prepared second quartz sand, adding a silane coupling agent for mixing, then adding the mixed solution for stirring, and drying to prepare modified quartz sand;
dissolving epoxy resin in an organic solvent, sequentially adding a curing agent and an accelerator, heating to 50-60 ℃, stirring for 1-2h, and curing at room temperature for 6-12h after molding to obtain an epoxy resin curing agent;
and 3, stirring the redispersible latex powder and the deionized water until the solid is dissolved to prepare emulsion, then placing the modified quartz sand into the emulsion, stirring, drying, and then uniformly mixing with the cement, the fly ash, the external additive and the epoxy resin curing agent prepared in the step 2 to prepare the dry-mixed mortar.
7. The method for preparing a dry-mixed mortar according to claim 6, which comprises the following steps: the grain sizes of the first quartz sand and the second quartz sand in the step 1 are 20-60 meshes and 60-150 meshes respectively.
8. The method for preparing a dry-mixed mortar according to claim 6, which comprises the following steps: according to parts by weight, the first quartz sand is 20-30 parts, the second quartz sand is 40-60 parts, the silane coupling agent is 10-20 parts, and the mixed solution is 10-20 parts.
9. The method for preparing a dry mortar according to claim 6 or 8, wherein the method comprises the following steps: the mixed solution comprises, by weight, 5-10 parts of carboxymethyl cellulose, 3-5 parts of sodium lignosulfonate and 70-80 parts of deionized water.
10. The method for preparing a dry-mixed mortar according to claim 6, which comprises the following steps: the step 2 organic solvent comprises dichloromethane, ethanol or dimethylformamide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111323357.XA CN113955985A (en) | 2021-11-08 | 2021-11-08 | Dry-mixed mortar and preparation method thereof |
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| CN202111323357.XA CN113955985A (en) | 2021-11-08 | 2021-11-08 | Dry-mixed mortar and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117431007A (en) * | 2023-12-08 | 2024-01-23 | 泉州市东宝科技集团有限公司 | Stone-like paint and preparation method thereof |
| CN118388199A (en) * | 2024-05-07 | 2024-07-26 | 烟台聚和建材有限公司 | Ceramic tile bonding mortar |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0867542A (en) * | 1994-08-30 | 1996-03-12 | Asahi Chem Ind Co Ltd | Mortar composition |
| CN107671235A (en) * | 2017-09-30 | 2018-02-09 | 江苏闽江矿业有限公司 | A kind of quartz sand method of modifying |
-
2021
- 2021-11-08 CN CN202111323357.XA patent/CN113955985A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0867542A (en) * | 1994-08-30 | 1996-03-12 | Asahi Chem Ind Co Ltd | Mortar composition |
| CN107671235A (en) * | 2017-09-30 | 2018-02-09 | 江苏闽江矿业有限公司 | A kind of quartz sand method of modifying |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117431007A (en) * | 2023-12-08 | 2024-01-23 | 泉州市东宝科技集团有限公司 | Stone-like paint and preparation method thereof |
| CN117431007B (en) * | 2023-12-08 | 2024-03-08 | 泉州市东宝科技集团有限公司 | Stone-like paint and preparation method thereof |
| CN118388199A (en) * | 2024-05-07 | 2024-07-26 | 烟台聚和建材有限公司 | Ceramic tile bonding mortar |
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Application publication date: 20220121 |