CN112811850A - High-adaptability wet-mixed mortar additive and manufacturing process thereof - Google Patents
High-adaptability wet-mixed mortar additive and manufacturing process thereof Download PDFInfo
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- CN112811850A CN112811850A CN202110055399.3A CN202110055399A CN112811850A CN 112811850 A CN112811850 A CN 112811850A CN 202110055399 A CN202110055399 A CN 202110055399A CN 112811850 A CN112811850 A CN 112811850A
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- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 68
- 239000000654 additive Substances 0.000 title claims abstract description 44
- 230000000996 additive effect Effects 0.000 title claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 73
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 30
- 238000005336 cracking Methods 0.000 claims abstract description 24
- 239000006260 foam Substances 0.000 claims abstract description 22
- 239000003381 stabilizer Substances 0.000 claims abstract description 22
- 239000002562 thickening agent Substances 0.000 claims abstract description 22
- 239000002994 raw material Substances 0.000 claims abstract description 17
- 238000003756 stirring Methods 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 19
- 238000002156 mixing Methods 0.000 claims description 17
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims description 15
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims description 15
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims description 15
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical group OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 claims description 15
- 229920002310 Welan gum Polymers 0.000 claims description 10
- 239000011259 mixed solution Substances 0.000 claims description 10
- 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 description 6
- 239000000661 sodium alginate Substances 0.000 claims description 6
- 235000010413 sodium alginate Nutrition 0.000 claims description 6
- 229940005550 sodium alginate Drugs 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims description 6
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 claims description 5
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- -1 fatty acyl diethanolamine Chemical compound 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 235000019333 sodium laurylsulphate Nutrition 0.000 claims description 5
- ITCAUAYQCALGGV-XTICBAGASA-M sodium;(1r,4ar,4br,10ar)-1,4a-dimethyl-7-propan-2-yl-2,3,4,4b,5,6,10,10a-octahydrophenanthrene-1-carboxylate Chemical compound [Na+].C([C@@H]12)CC(C(C)C)=CC1=CC[C@@H]1[C@]2(C)CCC[C@@]1(C)C([O-])=O ITCAUAYQCALGGV-XTICBAGASA-M 0.000 claims description 5
- 150000008130 triterpenoid saponins Chemical class 0.000 claims description 5
- AEQDJSLRWYMAQI-UHFFFAOYSA-N 2,3,9,10-tetramethoxy-6,8,13,13a-tetrahydro-5H-isoquinolino[2,1-b]isoquinoline Chemical compound C1CN2CC(C(=C(OC)C=C3)OC)=C3CC2C2=C1C=C(OC)C(OC)=C2 AEQDJSLRWYMAQI-UHFFFAOYSA-N 0.000 claims description 4
- 229920002401 polyacrylamide Polymers 0.000 claims description 4
- 239000000176 sodium gluconate Substances 0.000 claims description 4
- 235000012207 sodium gluconate Nutrition 0.000 claims description 4
- 229940005574 sodium gluconate Drugs 0.000 claims description 4
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 claims description 3
- 229930006000 Sucrose Natural products 0.000 claims description 3
- 125000001931 aliphatic group Chemical group 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 239000001509 sodium citrate Substances 0.000 claims description 3
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 claims description 3
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims description 3
- 235000019982 sodium hexametaphosphate Nutrition 0.000 claims description 3
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 3
- OWEGMIWEEQEYGQ-UHFFFAOYSA-N 100676-05-9 Natural products OC1C(O)C(O)C(CO)OC1OCC1C(O)C(O)C(O)C(OC2C(OC(O)C(O)C2O)CO)O1 OWEGMIWEEQEYGQ-UHFFFAOYSA-N 0.000 claims description 2
- GUBGYTABKSRVRQ-PICCSMPSSA-N Maltose Natural products O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@@H]1O[C@@H]1[C@@H](CO)OC(O)[C@H](O)[C@H]1O GUBGYTABKSRVRQ-PICCSMPSSA-N 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- 239000004816 latex Substances 0.000 claims description 2
- 229920000126 latex Polymers 0.000 claims description 2
- 125000003071 maltose group Chemical group 0.000 claims description 2
- 235000011083 sodium citrates Nutrition 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 238000002360 preparation method Methods 0.000 abstract description 7
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 3
- 238000005086 pumping Methods 0.000 abstract description 3
- 239000004566 building material Substances 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 6
- 229940043237 diethanolamine Drugs 0.000 description 4
- 230000008719 thickening Effects 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- PFNFFQXMRSDOHW-UHFFFAOYSA-N spermine Chemical compound NCCCNCCCCNCCCN PFNFFQXMRSDOHW-UHFFFAOYSA-N 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 229920001479 Hydroxyethyl methyl cellulose Polymers 0.000 description 1
- 239000005913 Maltodextrin Substances 0.000 description 1
- 229920002774 Maltodextrin Polymers 0.000 description 1
- 239000012615 aggregate Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- QVDTXNVYSHVCGW-ONEGZZNKSA-N isopentenol Chemical group CC(C)\C=C\O QVDTXNVYSHVCGW-ONEGZZNKSA-N 0.000 description 1
- 229940035034 maltodextrin Drugs 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 229940051841 polyoxyethylene ether Drugs 0.000 description 1
- 229920000056 polyoxyethylene ether Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229940063675 spermine Drugs 0.000 description 1
Classifications
-
- 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention relates to the technical field of building materials, in particular to a high-adaptability wet-mixed mortar additive and a manufacturing process thereof, wherein the additive comprises the following raw materials in parts by weight: 12-15 parts of thickening agent, 5-8 parts of air entraining agent, 10-15 parts of water reducing agent, 10-12 parts of water-retaining agent, 10-15 parts of retarder, 8-12 parts of anti-cracking agent, 4-6 parts of foam stabilizer and 70-100 parts of water. The invention has reasonable proportion, simple and convenient preparation process, high water retention rate and large volume weight, the prepared additive is used in the mortar to effectively improve the hardening strength of the wet-mixed mortar, the adopted water retention agent can ensure that the wet-mixed mortar still has good water retention property at high temperature, the addition amount can be increased, the wet-mixed mortar is added into the wet-mixed mortar to facilitate pumping, the liquid mortar consistency regulator is easier to control the precision in production and is easier to make corresponding adjustment according to environmental factors.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to a high-adaptability wet-mixed mortar additive and a manufacturing process thereof.
Background
The building mortar includes masonry mortar and plastering mortar, and the ready-mixed mortar can be divided into wet-mixed mortar and dry-mixed mortar according to the production mode of the mortar. The wet-mixed mortar is a mixture which is prepared by weighing and mixing cement, mineral admixture, fine aggregate, additive, water and various components determined according to construction performance in a mixing station according to different mortar labels in a certain proportion, then is transported to a using place by using a mixing transport vehicle, is stored in a special container pool and is used within a specified time. The wet-mixed mortar is transported from a production point to a field for use, and has higher requirements on the working performance, namely the mortar needs to have good enough workability and normal construction and operation before initial setting after being mixed with water, and the hardened mortar needs to meet the requirements of an engineering structure on mechanical performance, durability and the like. The good water retention and workability of the wet-mixed mortar are generally ensured by additives with the performances of water retention, retardation and the like.
Disclosure of Invention
The invention aims to provide a high-adaptability wet-mixed mortar additive and a manufacturing process thereof, and aims to solve the problem of troublesome manufacturing of the existing wet-mixed mortar additive in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a high-adaptability wet-mixed mortar additive comprises the following raw materials in parts by weight: 12-15 parts of thickening agent, 5-8 parts of air entraining agent, 10-15 parts of water reducing agent, 10-12 parts of water-retaining agent, 10-15 parts of retarder, 8-12 parts of anti-cracking agent, 4-6 parts of foam stabilizer and 70-100 parts of water.
The feed comprises the following raw materials in parts by weight: 13 parts of thickening agent, 7 parts of air entraining agent, 15 parts of water reducing agent, 12 parts of water-retaining agent, 11 parts of retarder, 9 parts of anti-cracking agent, 5 parts of foam stabilizer and 75 parts of water.
Preferably, the feed comprises the following raw materials in parts by weight: 12 parts of thickening agent, 8 parts of air entraining agent, 15 parts of water reducing agent, 10 parts of water retaining agent, 13 parts of retarder, 10 parts of anti-cracking agent, 4 parts of foam stabilizer and 80 parts of water.
Preferably, the feed comprises the following raw materials in parts by weight: 15 parts of thickening agent, 5 parts of air entraining agent, 13 parts of water reducing agent, 12 parts of water retaining agent, 15 parts of retarder, 13 parts of anti-cracking agent, 6 parts of foam stabilizer and 90 parts of water.
Preferably, the thickening agent is maltodextrin, sodium alginate or polyacrylamide, and the air entraining agent is a mixture of sodium abietate, triterpenoid saponin and sodium lauryl sulfate.
Preferably, the water reducing agent is a polycarboxylic acid high-performance water reducing agent, an aliphatic water reducing agent or a naphthalene high-efficiency water reducing agent, the water retaining agent is a composition of hydroxypropyl methyl cellulose and welan gum, and the dosage of the hydroxypropyl methyl cellulose is 5-15% of that of the welan gum.
Preferably, the retarder is any two or more of sodium citrate, sodium hexametaphosphate, sodium gluconate and white sugar.
Preferably, the anti-cracking agent is one or a mixture of more of hydroxypropyl methyl cellulose, sodium alginate and redispersible emulsion powder.
Preferably, the foam stabilizer is fatty acyl diethanol amine.
On the other hand, the invention also provides a preparation process of the high-adaptability wet-mixed mortar additive, which comprises the following steps:
s1: weighing the raw materials according to the weight ratio;
s2: heating 70-80% water to 30 deg.C under stirring, adding water reducing agent, adding water retaining agent, stirring at constant temperature of 30 deg.C for 10-15min, and mixing;
s3: controlling the temperature of the mixed solution in the step S2 to 40-50 ℃, and then sequentially adding the thickening agent, the air entraining agent, the retarder, the anti-cracking agent and the foam stabilizer, stirring for 20-30min, and uniformly mixing;
s4: and (5) controlling the temperature of the mixed solution in the step S3 to be 60-70 ℃, adding the rest 20-30% of water, stirring for 10-15min, and cooling to room temperature to obtain the wet-mixed mortar additive with high adaptability.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention has reasonable proportion, simple preparation process, high water retention rate, large volume weight, high consistency at the beginning and high consistency after 12 hours, the open time can be prolonged to about 24 hours, the prepared additive is used in the mortar to effectively improve the hardening strength of the wet-mixed mortar, and simultaneously can provide good construction performance, the adopted water retention agent can ensure that the wet-mixed mortar still has good water retention at high temperature, simultaneously, the viscosity of the additive prepared by the low-viscosity water retention agent is low, the addition amount can be increased, the additive is added into the wet-mixed mortar to facilitate pumping, the liquid mortar consistency regulator is easier to control the precision in production, and is easier to make corresponding adjustment according to environmental factors.
2. The highly-adaptive wet-mixed mortar additive and the manufacturing process thereof can be prepared at any time according to the performance index of cement and the workability index required by construction units, are more suitable for transformation upgrading of a concrete mixing plant, and integrate the functions of thickening, water reducing, water retention, plasticization, crack resistance and the like, particularly have the function of adjusting the opening time of the wet-mixed mortar, and adjust the weight ratio of the water retention thickening component and the opening time adjusting component and the mixing amount of the water retention plasticizer of the wet-mixed mortar.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides the following technical scheme:
example 1
A high-adaptability wet-mixed mortar additive comprises the following raw materials in parts by weight: 13 parts of thickening agent, 7 parts of air entraining agent, 15 parts of water reducing agent, 12 parts of water-retaining agent, 11 parts of retarder, 9 parts of anti-cracking agent, 5 parts of foam stabilizer and 75 parts of water.
In the embodiment, the thickening agent is maltose spermine, the air entraining agent is a mixture of sodium abietate, triterpenoid saponin and sodium lauryl sulfate, the water reducing agent is isopentenol polyoxyethylene ether, the water retention agent is a composition of hydroxypropyl methyl cellulose and welan gum, the dosage of the hydroxypropyl methyl cellulose is 10% of the dosage of the welan gum, the retarder is a composition of sodium citrate and sodium hexametaphosphate, the anti-cracking agent is hydroxypropyl methyl cellulose, and the foam stabilizer is fatty acyl diethanolamine.
On the other hand, the invention also provides a preparation process of the high-adaptability wet-mixed mortar additive, which comprises the following steps:
s1: weighing the raw materials according to the weight ratio;
s2: heating 75% water to 30 deg.C under stirring, adding water reducing agent, adding water retaining agent, stirring at constant temperature of 30 deg.C for 12min, and mixing;
s3: controlling the temperature of the mixed solution in the step S2 to 45 ℃, and then sequentially adding the thickening agent, the air entraining agent, the retarder, the anti-cracking agent and the foam stabilizer, stirring for 30min, and uniformly mixing;
s4: and (5) controlling the temperature of the mixed solution in the step S3 to 65 ℃, adding the remaining 25% of water, stirring for 15min, and cooling to room temperature to obtain the wet-mixed mortar additive with high adaptability.
Example 2
A high-adaptability wet-mixed mortar additive comprises the following raw materials in parts by weight: 12 parts of thickening agent, 8 parts of air entraining agent, 15 parts of water reducing agent, 10 parts of water retaining agent, 13 parts of retarder, 10 parts of anti-cracking agent, 4 parts of foam stabilizer and 80 parts of water.
In this embodiment, the thickener is polyacrylamide, the air-entraining agent is a mixture of sodium abietate, triterpenoid saponin and sodium lauryl sulfate, the water-reducing agent is an aliphatic water-reducing agent, the water-retaining agent is a composition of hydroxypropyl methylcellulose and welan gum, the dosage of hydroxypropyl methylcellulose is 10% of the dosage of welan gum, the retarder is a composition of sodium gluconate and white sugar, and the anti-cracking agent is a mixture of hydroxypropyl methylcellulose and sodium alginate, wherein the weight ratio of 1: 1 proportion, and the foam stabilizer is fatty acyl diethanol amine.
On the other hand, the invention also provides a preparation process of the high-adaptability wet-mixed mortar additive, which comprises the following steps:
s1: weighing the raw materials according to the weight ratio;
s2: heating 70% water to 30 deg.C under stirring, adding water reducing agent, adding water retaining agent, stirring at constant temperature of 30 deg.C for 10-15min, and mixing;
s3: controlling the temperature of the mixed solution in the step S2 to 45 ℃, and then sequentially adding the thickening agent, the air entraining agent, the retarder, the anti-cracking agent and the foam stabilizer, stirring for 25min, and uniformly mixing;
s4: and (5) controlling the temperature of the mixed solution in the step S3 to be 70 ℃, adding the rest 30% of water, stirring for 15min, and cooling to room temperature to obtain the wet-mixed mortar additive with high adaptability.
Example 3
A high-adaptability wet-mixed mortar additive comprises the following raw materials in parts by weight: 15 parts of thickening agent, 5 parts of air entraining agent, 13 parts of water reducing agent, 12 parts of water retaining agent, 15 parts of retarder, 13 parts of anti-cracking agent, 6 parts of foam stabilizer and 90 parts of water.
In this embodiment, the thickener is polyacrylamide, the air-entraining agent is a mixture of sodium abietate, triterpenoid saponin and sodium lauryl sulfate, the water-reducing agent is a naphthalene-based high-efficiency water-reducing agent, the water-retaining agent is a composition of hydroxypropyl methylcellulose and welan gum, the dosage of the hydroxypropyl methylcellulose is 15% of the dosage of welan gum, the retarder is sodium gluconate, the anti-cracking agent is hydroxypropyl methylcellulose, sodium alginate, and redispersible latex powder, and the weight ratio of the anti-cracking agent to the anti-cracking agent is 1: 1: 1 proportion, and the foam stabilizer is fatty acyl diethanol amine.
On the other hand, the invention also provides a preparation process of the high-adaptability wet-mixed mortar additive, which comprises the following steps:
s1: weighing the raw materials according to the weight ratio;
s2: heating 80% water to 30 deg.C under stirring, adding water reducing agent, adding water retaining agent, stirring at constant temperature of 30 deg.C for 15min, and mixing;
s3: controlling the temperature of the mixed solution in the step S2 to 50 ℃, and then sequentially adding the thickening agent, the air entraining agent, the retarder, the anti-cracking agent and the foam stabilizer, stirring for 30min, and uniformly mixing;
s4: and (5) controlling the temperature of the mixed solution in the step S3 to be 70 ℃, adding the rest 20% of water, stirring for 10min, and cooling to room temperature to obtain the wet-mixed mortar additive with high adaptability.
The highly adaptable wet-mixed mortar additive prepared by the three embodiments of the invention and the traditional additive are respectively added into the same mortar and stirred, and then the water retention rate at 25-25 ℃, the consistency at the beginning, the consistency after 12 hours and the volume weight are compared, as shown in the following table:
as can be seen from the above table, the high-adaptability wet-mixed mortar additive has the advantages of reasonable proportioning, simple preparation process, high water retention rate and large volume, the consistency at the beginning is high, the consistency after 12 hours is also high, the opening time can be prolonged to about 24 hours, the prepared additive is used in mortar to effectively improve the hardening strength of the wet-mixed mortar, and simultaneously can provide good construction performance, the adopted water-retaining agent utilizes the characteristic that the methyl hydroxyethyl cellulose ether under the viscosity has higher gel temperature, the wet-mixed mortar still has good water retention at high temperature, meanwhile, the additive prepared from the low-viscosity water-retaining agent has low viscosity, the addition amount can be increased, the additive is added into the wet-mixed mortar to facilitate pumping, the liquid mortar consistency regulator is easier to control the precision in production, is easier to make corresponding adjustment according to environmental factors, and according to the performance indexes of cement, the workability index required by a construction unit is prepared at any time, the wet-mixed mortar admixture is more suitable for transformation upgrading of a concrete mixing plant, integrates the functions of thickening, water reducing, water retaining, plasticizing, crack resistance and the like, particularly has the function of adjusting the opening time of the wet-mixed mortar, and adjusts the weight ratio of the water-retaining thickening component and the opening time adjusting component and the mixing amount of the water-retaining plasticizer of the wet-mixed mortar.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A high-adaptability wet-mixed mortar additive is characterized in that: the feed comprises the following raw materials in parts by weight: 12-15 parts of thickening agent, 5-8 parts of air entraining agent, 10-15 parts of water reducing agent, 10-12 parts of water-retaining agent, 10-15 parts of retarder, 8-12 parts of anti-cracking agent, 4-6 parts of foam stabilizer and 70-100 parts of water.
2. The highly adaptable wet mix mortar additive according to claim 1, characterized in that: the feed comprises the following raw materials in parts by weight: 13 parts of thickening agent, 7 parts of air entraining agent, 15 parts of water reducing agent, 12 parts of water-retaining agent, 11 parts of retarder, 9 parts of anti-cracking agent, 5 parts of foam stabilizer and 75 parts of water.
3. The highly adaptable wet mix mortar additive according to claim 1, characterized in that: the feed comprises the following raw materials in parts by weight: 12 parts of thickening agent, 8 parts of air entraining agent, 15 parts of water reducing agent, 10 parts of water retaining agent, 13 parts of retarder, 10 parts of anti-cracking agent, 4 parts of foam stabilizer and 80 parts of water.
4. The highly adaptable wet mix mortar additive according to claim 1, characterized in that: the feed comprises the following raw materials in parts by weight: 15 parts of thickening agent, 5 parts of air entraining agent, 13 parts of water reducing agent, 12 parts of water retaining agent, 15 parts of retarder, 13 parts of anti-cracking agent, 6 parts of foam stabilizer and 90 parts of water.
5. The highly adaptable wet-mixed mortar additive according to any one of claims 1 to 4, wherein: the thickening agent is maltose, sodium alginate or polyacrylamide, and the air entraining agent is a mixture of sodium abietate, triterpenoid saponin and sodium lauryl sulfate.
6. The highly adaptable wet-mixed mortar additive according to any one of claims 1 to 4, wherein: the water reducing agent is a polycarboxylic acid high-performance water reducing agent, an aliphatic water reducing agent or a naphthalene high-efficiency water reducing agent, the water retaining agent is a composition of hydroxypropyl methyl cellulose and welan gum, and the dosage of the hydroxypropyl methyl cellulose is 5-15% of that of the welan gum.
7. The highly adaptable wet-mixed mortar additive according to any one of claims 1 to 4, wherein: the retarder is any two or more of sodium citrate, sodium hexametaphosphate, sodium gluconate and white sugar.
8. The highly adaptable wet-mixed mortar additive according to any one of claims 1 to 4, wherein: the anti-cracking agent is one or a mixture of more of hydroxypropyl methyl cellulose, sodium alginate and redispersible latex powder.
9. The highly adaptable wet-mixed mortar additive according to any one of claims 1 to 4, wherein: the foam stabilizer is fatty acyl diethanolamine.
10. A process for preparing a highly adaptable wet-mixed mortar additive, comprising the highly adaptable wet-mixed mortar additive of any one of claims 1 to 9, characterized in that: the method specifically comprises the following steps:
s1: weighing the raw materials according to the weight ratio;
s2: heating 70-80% water to 30 deg.C under stirring, adding water reducing agent, adding water retaining agent, stirring at constant temperature of 30 deg.C for 10-15min, and mixing;
s3: controlling the temperature of the mixed solution in the step S2 to 40-50 ℃, and then sequentially adding the thickening agent, the air entraining agent, the retarder, the anti-cracking agent and the foam stabilizer, stirring for 20-30min, and uniformly mixing;
s4: and (5) controlling the temperature of the mixed solution in the step S3 to be 60-70 ℃, adding the rest 20-30% of water, stirring for 10-15min, and cooling to room temperature to obtain the wet-mixed mortar additive with high adaptability.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113233816A (en) * | 2021-06-30 | 2021-08-10 | 日照弗尔曼新材料科技有限公司 | Reinforced wet-mixed mortar additive |
| CN114835430A (en) * | 2022-05-20 | 2022-08-02 | 潍坊砼筑建筑科技有限公司 | Plasticity-maintaining agent for mortar and preparation method thereof |
| CN115385599A (en) * | 2022-09-21 | 2022-11-25 | 山东鲁桥建材有限公司 | Wet-mixed mortar plasticity stabilizer and preparation method thereof |
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| CN117682793A (en) * | 2023-12-06 | 2024-03-12 | 淮北旭日新材料股份有限公司 | Wet-mixed mortar additive, preparation method and application |
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Application publication date: 20210518 |