CN114262199A - Waterborne epoxy modified floor mortar - Google Patents
Waterborne epoxy modified floor mortar Download PDFInfo
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- CN114262199A CN114262199A CN202210031558.0A CN202210031558A CN114262199A CN 114262199 A CN114262199 A CN 114262199A CN 202210031558 A CN202210031558 A CN 202210031558A CN 114262199 A CN114262199 A CN 114262199A
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- 239000004593 Epoxy Substances 0.000 title claims abstract description 66
- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 57
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 20
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 19
- 239000006004 Quartz sand Substances 0.000 claims abstract description 14
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 14
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 14
- 239000002270 dispersing agent Substances 0.000 claims abstract description 14
- 239000000839 emulsion Substances 0.000 claims abstract description 14
- 239000011256 inorganic filler Substances 0.000 claims abstract description 11
- 229910003475 inorganic filler Inorganic materials 0.000 claims abstract description 11
- 239000004014 plasticizer Substances 0.000 claims abstract description 11
- 239000000080 wetting agent Substances 0.000 claims abstract description 11
- -1 antifoamer Substances 0.000 claims abstract description 7
- 239000004568 cement Substances 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 17
- 239000002518 antifoaming agent Substances 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 10
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 9
- 239000001023 inorganic pigment Substances 0.000 claims description 7
- 229920001732 Lignosulfonate Polymers 0.000 claims description 6
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 6
- 239000011398 Portland cement Substances 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910000323 aluminium silicate Inorganic materials 0.000 claims description 6
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 6
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 6
- RGHNJXZEOKUKBD-SQOUGZDYSA-M D-gluconate Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O RGHNJXZEOKUKBD-SQOUGZDYSA-M 0.000 claims description 3
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 3
- 241000276489 Merlangius merlangus Species 0.000 claims description 3
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 239000003945 anionic surfactant Substances 0.000 claims description 3
- 239000004567 concrete Substances 0.000 claims description 3
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 3
- 229940050410 gluconate Drugs 0.000 claims description 3
- 229910052602 gypsum Inorganic materials 0.000 claims description 3
- 239000010440 gypsum Substances 0.000 claims description 3
- 238000006703 hydration reaction Methods 0.000 claims description 3
- DCNHVBSAFCNMBK-UHFFFAOYSA-N naphthalene-1-sulfonic acid;hydrate Chemical compound O.C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 DCNHVBSAFCNMBK-UHFFFAOYSA-N 0.000 claims description 3
- 125000005498 phthalate group Chemical group 0.000 claims description 3
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 3
- 229920001921 poly-methyl-phenyl-siloxane Polymers 0.000 claims description 3
- 238000006116 polymerization reaction Methods 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 239000011863 silicon-based powder Substances 0.000 claims description 3
- 239000011975 tartaric acid Substances 0.000 claims description 3
- 235000002906 tartaric acid Nutrition 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 abstract description 11
- 239000004566 building material Substances 0.000 abstract description 2
- 239000012467 final product Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 abstract 1
- 239000002994 raw material Substances 0.000 description 25
- 238000003756 stirring Methods 0.000 description 12
- 238000002360 preparation method Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 230000002265 prevention Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 235000014113 dietary fatty acids Nutrition 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 239000000194 fatty acid Substances 0.000 description 3
- 229930195729 fatty acid Natural products 0.000 description 3
- 150000004665 fatty acids Chemical class 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 238000003763 carbonization Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- QNVRIHYSUZMSGM-UHFFFAOYSA-N hexan-2-ol Chemical compound CCCCC(C)O QNVRIHYSUZMSGM-UHFFFAOYSA-N 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- BSWXAWQTMPECAK-UHFFFAOYSA-N 6,6-diethyloctyl dihydrogen phosphate Chemical compound CCC(CC)(CC)CCCCCOP(O)(O)=O BSWXAWQTMPECAK-UHFFFAOYSA-N 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 150000008051 alkyl sulfates Chemical class 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920001522 polyglycol ester Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Landscapes
- Floor Finish (AREA)
Abstract
A kind of aqueous epoxy modified terrace mortar, relate to the technical field of the building material, including A component, B component and C component, wherein, A component is aqueous epoxy emulsion, water reducing agent, antifoamer, plasticizer, antioxidant, flatting agent, wetting agent, dispersing agent and water are mixed to get final product; the component B contains a water-based epoxy curing agent; the component C contains inorganic cementing material, quartz sand, inorganic filler and retarder. The waterborne epoxy modified floor mortar disclosed by the invention is excellent in fluidity, compressive strength, breaking strength, tensile property, mechanical heavy load resistance, impact resistance, wear resistance, environmental friendliness and fireproof performance, and can be used for various products such as repair mortar, floors and grouting materials.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to waterborne epoxy modified floor mortar.
Background
A floor is a surface layer of a building floor that directly bears various physical and chemical actions. The terrace is widely used in industrial, commercial and civil buildings, and the terrace is mainly divided into an inorganic terrace and an organic terrace mainly composed of organic polymers at present. With the continuous development of the technology, the terrace is required to have the requirements of wear resistance, impact resistance, heavy load resistance, green environmental protection, fire prevention and the like.
Although the inorganic terrace mainly made of cement, carborundum and curing agent is environment-friendly, fireproof, grade A and heavy-load resistant, the material is porous and fragile, so that the inorganic terrace is poor in chemical corrosion resistance, stain resistance and impact resistance and poor in decorative property. The organic terrace which takes the epoxy resin, the acrylic acid and the polyurethane as main raw materials has high impact resistance and stain resistance and heavy load resistance, but has short slabs in the aspects of environmental protection and fire prevention.
Therefore, aiming at the defects of the prior art, it is necessary to provide a water-based epoxy modified floor mortar with good comprehensive performance so as to overcome the defects of the prior art.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the water-based epoxy modified floor mortar to solve the problems that the existing floor mortar is large in brittleness, large in shrinkage, poor in durability, non-fireproof and difficult to apply to the floor industry.
The object of the invention is achieved by the following technical measures.
Provides water-based epoxy modified floor mortar, which comprises a component A, a component B and a component C, wherein,
the component A is formed by mixing water-based epoxy emulsion, a water reducing agent, a defoaming agent, a plasticizer, an antioxidant, a flatting agent, a wetting agent, a dispersing agent and water;
the component B contains a water-based epoxy curing agent;
the component C contains an inorganic cementing material, quartz sand, an inorganic filler and a retarder;
the content ratio of the component A, the component B and the component C is 10-40: 5-30: 80-120 parts.
Preferably, the component A and the component B of the waterborne epoxy modified floor mortar are subjected to polymerization reaction to generate a polymer condensate; the component C and water in the component A, B are subjected to hydration reaction to generate hydrated silicate and aluminosilicate inorganic solidified bodies, and the high-molecular concretes are filled in the hydrated silicate and aluminosilicate space grids to finally form inorganic and organic hybrid solidified bodies.
Preferably, the waterborne epoxy modified floor mortar comprises the component A and the component B in parts by weight:
2-7 parts of water-based epoxy emulsion;
0.1-0.7 part of a water reducing agent;
0.1-0.7 part of defoaming agent;
0.05-0.5 part of plasticizer;
0.05-0.5 part of antioxidant;
0.05-0.5 part of a leveling agent;
0.05-0.5 part of wetting agent;
0.05-0.5 part of a dispersing agent;
2-10 parts of water.
Preferably, the aqueous epoxy emulsion is bisphenol A ionic aqueous epoxy emulsion;
the water reducing agent is one or a mixture of a polycarboxylic acid high-efficiency water reducing agent, a lignosulfonate water reducing agent and a naphthalenesulfonate water reducing agent;
the defoaming agent is an organic silicon defoaming agent;
the plasticizer is phthalate;
the antioxidant is a water-soluble antioxidant;
the leveling agent is polydimethylsiloxane or polymethylphenylsiloxane;
the wetting agent is an anionic surfactant;
the dispersant is an organic dispersant.
Preferably, the waterborne epoxy modified floor mortar comprises the following components in parts by weight:
2-5 parts of a water-based epoxy self-emulsifying curing agent;
3-9 parts of water.
Preferably, the waterborne epoxy modified floor mortar comprises the component C in parts by weight:
5-8 parts of ordinary silica cement;
5-8 parts of early strength cement;
8-20 parts of quartz sand;
0.5-5 parts of inorganic filler;
0.01-0.1 part of retarder.
Preferably, the ordinary portland cement is 42.5, 42.5R, 52.5R ordinary gray or white ordinary portland cement;
the early strength cement is one or two of 42.5R, 52.5R ordinary gray or white sulphoaluminate cement and high alumina cement;
the quartz sand is machine-made sand or natural river sand, and the mesh number of the quartz sand is 40-70 or 70-120 or the mixture of the two;
the inorganic filler is one or a mixture of more of alpha-type semi-hydrated gypsum, coarse whiting and micro silicon powder;
the retarder is one or a mixture of more of gluconate, citric acid, tartaric acid and lignosulfonate.
Preferably, the component C of the waterborne epoxy modified floor mortar also comprises an inorganic pigment, and the content of the inorganic pigment is 0-0.5 part.
The water-based epoxy modified floor mortar comprises a component A, a component B and a component C, wherein,
the component A is formed by mixing water-based epoxy emulsion, a water reducing agent, a defoaming agent, a plasticizer, an antioxidant, a flatting agent, a wetting agent, a dispersing agent and water; the component B contains a water-based epoxy curing agent; the component C contains inorganic cementing material, quartz sand, inorganic filler and retarder. The invention utilizes the good mechanical property, caking property, flexibility and hydrophilicity of the waterborne epoxy resin to modify the cement material, so that the cement material has more excellent fracture resistance, caking property and carbonization resistance. The problem of brittle shrinkage of inorganic materials is solved, workability, cohesiveness, water-retaining property and the like are greatly improved, and the problems of low strength and fire resistance of the water-based epoxy mortar are solved. The two are cooperated to form a spatial reticular interpenetrating structure, the advantages are complementary, the overall performance is obviously improved, and the waterborne epoxy modified floor mortar has excellent performances of mechanical heavy load resistance, impact resistance, wear resistance, environmental protection, fire prevention and the like. The water-based epoxy modified floor mortar can be used for repairing mortar, floors, grouting materials and other products.
The performance indexes of the waterborne epoxy modified floor mortar disclosed by the invention are as follows:
Detailed Description
The invention is further illustrated by the following examples.
Example 1.
An aqueous epoxy modified floor mortar comprises a component A, a component B and a component C, wherein,
the component A is formed by mixing water-based epoxy emulsion, a water reducing agent, a defoaming agent, a plasticizer, an antioxidant, a flatting agent, a wetting agent, a dispersing agent and water;
the component B contains a water-based epoxy curing agent;
the component C contains inorganic cementing material, quartz sand, inorganic filler, retarder and inorganic pigment.
The content ratio of the component A, the component B and the component C is 10-40: 5-30: 80-120 parts.
Specifically, the component A comprises the following components in parts by weight:
2-7 parts of water-based epoxy emulsion;
0.1-0.7 part of a water reducing agent;
0.1-0.7 part of defoaming agent;
0.05-0.5 part of plasticizer;
0.05-0.5 part of antioxidant;
0.05-0.5 part of a leveling agent;
0.05-0.5 part of wetting agent;
0.05-0.5 part of a dispersing agent;
2-10 parts of water.
Wherein the water-based epoxy emulsion is bisphenol A ionic water-based epoxy emulsion;
the water reducing agent is one or a mixture of a polycarboxylic acid high-efficiency water reducing agent, a lignosulfonate water reducing agent and a naphthalenesulfonate water reducing agent;
the defoaming agent is an organic silicon defoaming agent;
the plasticizer is phthalate;
the antioxidant is water-soluble antioxidant;
the flatting agent is polydimethylsiloxane or polymethylphenylsiloxane and the like;
the wetting agent is anionic surfactant, such as alkyl sulfate, sulfonate, fatty acid or fatty acid ester sulfate, polyether siloxane copolymer, etc.;
the dispersant is organic dispersant, such as triethyl hexyl phosphoric acid, sodium dodecyl sulfate, methyl amyl alcohol, cellulose derivative, polyacrylamide, Guel gum, fatty acid polyglycol ester, etc.
The waterborne epoxy modified floor mortar comprises the following components in parts by weight:
2-5 parts of a water-based epoxy self-emulsifying curing agent;
3-9 parts of water.
The waterborne epoxy modified floor mortar comprises the following components in parts by weight:
5-8 parts of ordinary silica cement;
5-8 parts of early strength cement;
8-20 parts of quartz sand;
0.5-5 parts of inorganic filler;
0.01-0.1 part of retarder.
The component C of the waterborne epoxy modified floor mortar can also comprise inorganic pigment according to the requirement, and the content of the inorganic pigment is 0-0.5 part.
Wherein the ordinary portland cement is ordinary gray or white ordinary portland cement of 42.5R, 52.5R and 52.5R;
the early strength cement is one or two of 42.5R, 52.5R and 52.5R ordinary gray or white sulphoaluminate cement and high-alumina cement;
the quartz sand is machine-made sand or natural river sand, and the mesh number of the quartz sand is 40-70, 70-120 or the mixture of the two;
the inorganic filler is one or a mixture of more of alpha-type semi-hydrated gypsum, coarse whiting and micro silicon powder;
the retarder is one or more of gluconate, citric acid, tartaric acid and lignosulfonate.
The waterborne epoxy modified floor mortar comprises a component A, a component B and a component C, wherein the component A and the component B are subjected to polymerization reaction to generate a macromolecular condensate; the component C and water in the component A, B are subjected to hydration reaction to generate hydrated silicate and aluminosilicate inorganic solidified bodies, and the high-molecular concretes are filled in the hydrated silicate and aluminosilicate space grids to finally form inorganic and organic hybrid high-performance solidified bodies.
The invention utilizes the good mechanical property, caking property, flexibility and hydrophilicity of the waterborne epoxy resin to modify the cement material, so that the cement material has more excellent fracture resistance, caking property and carbonization resistance. The problem of brittle shrinkage of inorganic materials is solved, workability, cohesiveness, water-retaining property and the like are greatly improved, and the problems of low strength and fire resistance of the water-based epoxy mortar are solved. The two are cooperated to form a spatial reticular interpenetrating structure, the advantages are complementary, the overall performance is obviously improved, and the waterborne epoxy modified floor mortar has excellent performances of mechanical heavy load resistance, impact resistance, wear resistance, environmental protection, fire prevention and the like. The water-based epoxy modified floor mortar can be used for repairing mortar, floors, grouting materials and other products.
The performance of the waterborne epoxy modified floor mortar sample is detected, and the performance index results are shown in table 1:
TABLE 1
Example 2.
The preparation method is characterized by comprising the following raw materials in parts by weight:
according to the proportion relation of table 2, the raw materials are put into a batching tank and stirred at 500r/min, and the component A is prepared after even mixing. According to the proportion relation of the table 3, the raw materials are put into a batching tank and stirred and mixed evenly at 500r/min to obtain the component B. According to the proportion relation of the table 4, all the raw materials are put into a batching tank and stirred and mixed evenly at the speed of 80r/min to prepare the component C.
It should be noted that the stirring speed of the component a, the component B, and the component C during the preparation can be stirred at a low stirring speed according to actual needs, and the specific stirring speed can be flexibly selected according to actual needs, and is not limited to the specific data of this embodiment.
TABLE 2
TABLE 3
TABLE 4
During construction, 10 parts of the component A and 8 parts of the component B are taken and stirred for 30s at 200r/min to be uniformly mixed, then 82 parts of the component C is slowly added while stirring, and the mixture is stirred for 2min at 200r/min to be uniformly mixed to obtain the waterborne epoxy modified high-performance floor mortar. The properties of the mortar obtained in example 2 were determined as given in table 5 below:
TABLE 5
In conclusion, the epoxy modified floor mortar of the embodiment is excellent in fluidity, compressive strength, breaking strength, tensile property, mechanical heavy load resistance, impact resistance, wear resistance, environmental protection and fireproof performance, and can be used for repairing various products such as mortar, floors and grouting materials.
Example 3.
The preparation method is characterized by comprising the following raw materials in parts by weight:
according to the proportion relation of Table 6, the raw materials are put into a batching tank and stirred at 500r/min, and the component A is prepared after even mixing. According to the proportion relation of the table 7, the raw materials are put into a batching tank and stirred and mixed evenly at 500r/min to obtain the component B. According to the proportion relation of the table 8, all the raw materials are put into a batching tank and stirred and mixed evenly at the speed of 80r/min to prepare the component C.
TABLE 6
TABLE 7
TABLE 8
During construction, 10 parts of the component A and 8 parts of the component B are taken and stirred for 30s at a speed of 200r/min to be uniformly mixed, then 82 parts of the component C is slowly added while stirring, and the mixture is stirred for 2min at a speed of 250r/min to be uniformly mixed to obtain the waterborne epoxy modified high-performance floor mortar. The properties of the mortar obtained in example 3 were determined as shown in Table 9:
TABLE 9
In conclusion, the epoxy modified floor mortar of the embodiment is excellent in fluidity, compressive strength, breaking strength, tensile property, mechanical heavy load resistance, impact resistance, wear resistance, environmental protection and fireproof performance, and can be used for repairing various products such as mortar, floors and grouting materials.
Example 4.
The preparation method is characterized by comprising the following raw materials in parts by weight:
according to the proportion relation of the table 10, the raw materials are put into a batching tank and stirred at the speed of 600r/min, and the component A is prepared after even mixing. According to the proportion relation of the table 11, the raw materials are put into a batching tank and stirred and mixed evenly at 500r/min to obtain the component B. According to the proportion relation of the table 12, the raw materials are put into a batching tank and stirred and mixed evenly at 85r/min to prepare the component C.
Watch 10
TABLE 11
TABLE 12
During construction, 10 parts of the component A and 8 parts of the component B are taken and stirred for 30s at a speed of 220r/min to be uniformly mixed, then 82 parts of the component C is slowly added while stirring, and the mixture is stirred for 2min at a speed of 200r/min to be uniformly mixed to obtain the waterborne epoxy modified high-performance floor mortar. The properties of the mortar obtained in example 4 were determined as shown in Table 13:
in conclusion, the epoxy modified floor mortar of the embodiment is excellent in fluidity, compressive strength, breaking strength, tensile property, mechanical heavy load resistance, impact resistance, wear resistance, environmental protection and fireproof performance, and can be used for repairing various products such as mortar, floors and grouting materials.
Example 5.
The preparation method is characterized by comprising the following raw materials in parts by weight:
according to the proportioning relation of Table 14, the raw materials are put into a batching tank and stirred at 480r/min, and the component A is prepared after even mixing. According to the proportioning relation of Table 15, the raw materials are put into a batching tank and stirred and mixed evenly at 480r/min to obtain the component B. According to the proportion relationship in the table 16, the raw materials are put into a batching tank and stirred and mixed evenly at the speed of 80r/min to prepare the component C.
TABLE 14
Watch 15
TABLE 16
During construction, 12 parts of the component A and 5 parts of the component B are taken and stirred at a speed of 200r/min for 30s to be uniformly mixed, then 80 parts of the component C is slowly added while stirring, and the mixture is stirred for 2min to be uniformly mixed to obtain the waterborne epoxy modified high-performance floor mortar. The properties of the mortar obtained in example 5, determined by inspection, are shown in Table 17:
in conclusion, the epoxy modified floor mortar of the embodiment is excellent in fluidity, compressive strength, breaking strength, tensile property, mechanical heavy load resistance, impact resistance, wear resistance, environmental protection and fireproof performance, and can be used for repairing various products such as mortar, floors and grouting materials.
Example 6.
The preparation method is characterized by comprising the following raw materials in parts by weight:
according to the proportioning relation of Table 18, the raw materials are put into a batching tank and stirred at 450r/min, and the component A is prepared after even mixing. According to the proportion relationship in the table 19, the raw materials are put into a batching tank and stirred and mixed evenly at 500r/min to obtain the component B. According to the proportion relation of the table 20, the raw materials are put into a batching tank and stirred and mixed evenly at 100r/min to prepare the component C.
Watch 18
Watch 19
Watch 20
During construction, 40 parts of the component A and 30 parts of the component B are uniformly mixed at a speed of 250r/min for 40s, then 120 parts of the component C is slowly added while stirring, and the mixture is uniformly mixed after stirring for 3min to obtain the waterborne epoxy modified high-performance floor mortar. The properties of the mortar obtained in example 6, as measured, are shown in Table 21:
in conclusion, the epoxy modified floor mortar of the embodiment is excellent in fluidity, compressive strength, breaking strength, tensile property, mechanical heavy load resistance, impact resistance, wear resistance, environmental protection and fireproof performance, and can be used for repairing various products such as mortar, floors and grouting materials.
Example 7.
The preparation method is characterized by comprising the following raw materials in parts by weight:
according to the proportioning relation of Table 22, the raw materials are put into a batching tank and stirred at 550r/min, and the component A is prepared after uniform mixing. According to the proportion relationship in the table 23, the raw materials are put into a batching tank and stirred and mixed evenly at 400r/min to obtain the component B. According to the proportioning relation of Table 24, the raw materials are put into a batching tank and stirred and mixed evenly at 90r/min to obtain the component C.
TABLE 22
TABLE 23
Watch 24
During construction, 20 parts of the component A and 25 parts of the component B are uniformly mixed by stirring at a speed of 200r/min for 35s, then 100 parts of the component C is slowly added while stirring, and the mixture is uniformly mixed by stirring for 5min to obtain the waterborne epoxy modified high-performance floor mortar. The properties of the mortar obtained in example 7, determined by inspection, are shown in Table 25:
in conclusion, the epoxy modified floor mortar of the embodiment is excellent in fluidity, compressive strength, breaking strength, tensile property, mechanical heavy load resistance, impact resistance, wear resistance, environmental protection and fireproof performance, and can be used for repairing various products such as mortar, floors and grouting materials.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (8)
1. The water-based epoxy modified floor mortar is characterized by comprising a component A, a component B and a component C, wherein,
the component A is formed by mixing water-based epoxy emulsion, a water reducing agent, a defoaming agent, a plasticizer, an antioxidant, a flatting agent, a wetting agent, a dispersing agent and water;
the component B contains a water-based epoxy curing agent;
the component C contains an inorganic cementing material, quartz sand, an inorganic filler and a retarder;
the content ratio of the component A to the component B to the component C is 10-40: 5-30: 80-120 parts.
2. The aqueous epoxy modified floor mortar of claim 1, wherein the component A and the component B undergo a polymerization reaction to form a polymer condensate; the component C and water in the component A, B are subjected to hydration reaction to generate hydrated silicate and aluminosilicate inorganic solidified bodies, and the high-molecular concretes are filled in the hydrated silicate and aluminosilicate space grids to finally form inorganic and organic hybrid solidified bodies.
3. The aqueous epoxy modified floor mortar of claim 2, wherein the component A comprises, in parts by weight:
2-7 parts of water-based epoxy emulsion;
0.1-0.7 part of a water reducing agent;
0.1-0.7 part of defoaming agent;
0.05-0.5 part of plasticizer;
0.05-0.5 part of antioxidant;
0.05-0.5 part of a leveling agent;
0.05-0.5 part of wetting agent;
0.05-0.5 part of a dispersing agent;
2-10 parts of water.
4. The aqueous epoxy-modified floor mortar of claim 3,
the waterborne epoxy emulsion is bisphenol A ionic waterborne epoxy emulsion;
the water reducing agent is one or a mixture of a polycarboxylic acid high-efficiency water reducing agent, a lignosulfonate water reducing agent and a naphthalenesulfonate water reducing agent;
the defoaming agent is an organic silicon defoaming agent;
the plasticizer is phthalate;
the antioxidant is a water-soluble antioxidant;
the leveling agent is polydimethylsiloxane or polymethylphenylsiloxane;
the wetting agent is an anionic surfactant;
the dispersant is an organic dispersant.
5. The aqueous epoxy modified floor mortar of any one of claims 1 to 4, wherein the component B comprises, in parts by weight:
2-5 parts of a water-based epoxy self-emulsifying curing agent;
3-9 parts of water.
6. The aqueous epoxy modified floor mortar of any one of claims 1 to 4, wherein the component C comprises, in parts by weight:
5-8 parts of ordinary silica cement;
5-8 parts of early strength cement;
8-20 parts of quartz sand;
0.5-5 parts of inorganic filler;
0.01-0.1 part of retarder.
7. The aqueous epoxy-modified floor mortar of claim 6,
the ordinary gray or white ordinary portland cement is 42.5R, 52.5R or 52.5R ordinary portland cement;
the early strength cement is one or two of 42.5R, 52.5R ordinary gray or white sulphoaluminate cement and high alumina cement;
the quartz sand is machine-made sand or natural river sand, and the mesh number of the quartz sand is 40-70 or 70-120 or the mixture of the two;
the inorganic filler is one or a mixture of more of alpha-type semi-hydrated gypsum, coarse whiting and micro silicon powder;
the retarder is one or a mixture of more of gluconate, citric acid, tartaric acid and lignosulfonate.
8. The aqueous epoxy-modified floor mortar of claim 6,
the component C also comprises inorganic pigment, and the content of the inorganic pigment is 0-0.5 part.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210031558.0A CN114262199A (en) | 2022-01-12 | 2022-01-12 | Waterborne epoxy modified floor mortar |
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| Application Number | Priority Date | Filing Date | Title |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114891429A (en) * | 2022-05-27 | 2022-08-12 | 广东达尔新型材料有限公司 | Single-component waterborne epoxy modified coating composition, preparation method thereof and floor coating |
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Application publication date: 20220401 |