CN117024059A - Silica-containing stone-like permeable terrace mortar and preparation process thereof - Google Patents
Silica-containing stone-like permeable terrace mortar and preparation process thereof Download PDFInfo
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- CN117024059A CN117024059A CN202311285056.1A CN202311285056A CN117024059A CN 117024059 A CN117024059 A CN 117024059A CN 202311285056 A CN202311285056 A CN 202311285056A CN 117024059 A CN117024059 A CN 117024059A
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- China
- Prior art keywords
- silica fume
- bagasse
- mortar
- mixing
- silica
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 94
- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 51
- 238000002360 preparation method Methods 0.000 title claims abstract description 31
- 239000000377 silicon dioxide Substances 0.000 title claims abstract description 30
- 241000609240 Ambelania acida Species 0.000 claims abstract description 82
- 239000010905 bagasse Substances 0.000 claims abstract description 82
- 239000000835 fiber Substances 0.000 claims abstract description 81
- 229910021487 silica fume Inorganic materials 0.000 claims abstract description 56
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 54
- 239000004964 aerogel Substances 0.000 claims abstract description 45
- 239000002440 industrial waste Substances 0.000 claims abstract description 35
- 239000002608 ionic liquid Substances 0.000 claims abstract description 30
- 239000002699 waste material Substances 0.000 claims abstract description 29
- 239000002131 composite material Substances 0.000 claims abstract description 27
- 239000011521 glass Substances 0.000 claims abstract description 27
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910052742 iron Inorganic materials 0.000 claims abstract description 27
- 239000002028 Biomass Substances 0.000 claims abstract description 26
- 239000004568 cement Substances 0.000 claims abstract description 23
- JQWHASGSAFIOCM-UHFFFAOYSA-M sodium periodate Chemical compound [Na+].[O-]I(=O)(=O)=O JQWHASGSAFIOCM-UHFFFAOYSA-M 0.000 claims abstract description 18
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 11
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims abstract description 9
- FALRKNHUBBKYCC-UHFFFAOYSA-N 2-(chloromethyl)pyridine-3-carbonitrile Chemical compound ClCC1=NC=CC=C1C#N FALRKNHUBBKYCC-UHFFFAOYSA-N 0.000 claims abstract description 9
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229940014800 succinic anhydride Drugs 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 68
- 238000002156 mixing Methods 0.000 claims description 43
- 239000008367 deionised water Substances 0.000 claims description 30
- 229910021641 deionized water Inorganic materials 0.000 claims description 30
- 239000002893 slag Substances 0.000 claims description 30
- 239000000843 powder Substances 0.000 claims description 27
- 238000003756 stirring Methods 0.000 claims description 27
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 21
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 18
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 229920001971 elastomer Polymers 0.000 claims description 17
- 239000005060 rubber Substances 0.000 claims description 17
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 15
- 238000004108 freeze drying Methods 0.000 claims description 15
- 239000005871 repellent Substances 0.000 claims description 15
- 230000002940 repellent Effects 0.000 claims description 15
- 238000005406 washing Methods 0.000 claims description 15
- 239000006004 Quartz sand Substances 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 11
- 239000000049 pigment Substances 0.000 claims description 11
- 239000012153 distilled water Substances 0.000 claims description 10
- 239000011259 mixed solution Substances 0.000 claims description 7
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 claims description 6
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 6
- 239000004202 carbamide Substances 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- 229920001296 polysiloxane Polymers 0.000 claims description 6
- 238000012216 screening Methods 0.000 claims description 6
- BEOOHQFXGBMRKU-UHFFFAOYSA-N sodium cyanoborohydride Chemical compound [Na+].[B-]C#N BEOOHQFXGBMRKU-UHFFFAOYSA-N 0.000 claims description 6
- 229920000800 acrylic rubber Polymers 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 235000019441 ethanol Nutrition 0.000 claims description 5
- 229920000058 polyacrylate Polymers 0.000 claims description 5
- -1 polysiloxane Polymers 0.000 claims description 5
- 238000002791 soaking Methods 0.000 claims description 5
- 239000000839 emulsion Substances 0.000 claims description 4
- 238000002390 rotary evaporation Methods 0.000 claims description 4
- XYRAEZLPSATLHH-UHFFFAOYSA-N trisodium methoxy(trioxido)silane Chemical compound [Na+].[Na+].[Na+].CO[Si]([O-])([O-])[O-] XYRAEZLPSATLHH-UHFFFAOYSA-N 0.000 claims description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 2
- 238000009408 flooring Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000002002 slurry Substances 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 abstract description 4
- 239000002262 Schiff base Substances 0.000 abstract description 3
- 150000004753 Schiff bases Chemical class 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract description 3
- 150000007942 carboxylates Chemical class 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
- 230000001172 regenerating effect Effects 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 17
- 230000035699 permeability Effects 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- 238000010276 construction Methods 0.000 description 6
- 239000006185 dispersion Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 150000002500 ions Chemical class 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 3
- 239000000292 calcium oxide Substances 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 3
- 239000004567 concrete Substances 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 3
- 239000000395 magnesium oxide Substances 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 3
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 3
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- CHWRSCGUEQEHOH-UHFFFAOYSA-N potassium oxide Chemical compound [O-2].[K+].[K+] CHWRSCGUEQEHOH-UHFFFAOYSA-N 0.000 description 3
- 229910001950 potassium oxide Inorganic materials 0.000 description 3
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 3
- 229910001948 sodium oxide Inorganic materials 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000004480 active ingredient Substances 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000001879 gelation Methods 0.000 description 2
- 238000006703 hydration reaction Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- DSSYKIVIOFKYAU-XCBNKYQSSA-N (R)-camphor Chemical compound C1C[C@@]2(C)C(=O)C[C@@H]1C2(C)C DSSYKIVIOFKYAU-XCBNKYQSSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 244000241257 Cucumis melo Species 0.000 description 1
- 235000009847 Cucumis melo var cantalupensis Nutrition 0.000 description 1
- 239000009402 Dabao Substances 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241001374849 Liparis atlanticus Species 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 244000082946 Tarchonanthus camphoratus Species 0.000 description 1
- 235000005701 Tarchonanthus camphoratus Nutrition 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- YWEUIGNSBFLMFL-UHFFFAOYSA-N diphosphonate Chemical compound O=P(=O)OP(=O)=O YWEUIGNSBFLMFL-UHFFFAOYSA-N 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000013538 functional additive Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- DLYUQMMRRRQYAE-UHFFFAOYSA-N phosphorus pentoxide Inorganic materials O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 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
- 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
- C04B28/02—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 containing hydraulic cements other than calcium sulfates
-
- 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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/08—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding porous substances
-
- 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
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/00284—Materials permeable to liquids
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/2038—Resistance against physical degradation
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/2038—Resistance against physical degradation
- C04B2111/2046—Shock-absorbing 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/34—Non-shrinking or non-cracking materials
- C04B2111/343—Crack resistant 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/80—Optical properties, e.g. transparency or reflexibility
- C04B2111/82—Coloured 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
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention relates to the field of mortar, in particular to stone-like permeable terrace mortar containing silicon dioxide and a preparation process thereof, wherein industrial waste residues are introduced into raw materials to serve as aggregate, and the particle size and mass ratio of iron tailing residues, waste glass and biomass power plant ash are controlled; introducing silica fume and industrial waste residue to be compounded as a composite excitant; treating silica fume with 3-aminopropyl triethoxy silane and succinic anhydride to carboxylate the silica fume, and grafting polyamino ionic liquid synthesized by diethylenetriamine and imidazole to obtain modified silica fume; by adding bagasse fibers, the cement and industrial waste residues are optimized from macroscopic scale to nano scale complex structures while changing waste into valuables, and excellent deformation resistance and reinforcement capability are provided for the mortar; dissolving and regenerating an alkali-soluble system to prepare bagasse fiber aerogel, oxidizing the bagasse fiber aerogel by sodium periodate, and grafting the bagasse fiber aerogel with polyamino ionic liquid by Schiff base reaction to obtain the composite bagasse fiber aerogel.
Description
Technical Field
The invention relates to the field of mortar, in particular to stone-like permeable terrace mortar containing silicon dioxide and a preparation process thereof.
Background
The existing terrace mortar has the problems of single color, poor surface texture and the like, and is usually stacked by adopting aggregates with large particle sizes for improving the water permeability of formed concrete, so that the surface particles of a finished product are excessively strong, and the performances of corrosion resistance, impact resistance and the like of the terrace are easily reduced.
The conventional floor mortar in the existing market mostly takes cement and filling aggregate as raw materials, and different functional additives are added to form premixed dry-mixed mortar, and the main component of the premixed dry-mixed mortar is cement, so that capillary holes are easy to appear when the premixed dry-mixed mortar is combined with concrete, the compactness is poor, and the problems of damage, cracking, falling-off and the like of a hardening layer on the surface of the concrete are caused, so that the later maintenance cost is increased; meanwhile, in places such as industrial plants, workshops, warehouses and parking lots which need ground reinforcement, the wear resistance, compression resistance and breaking strength of the permeable terrace mortar are required to be higher.
Disclosure of Invention
The invention aims to provide silica-containing stone-like permeable terrace mortar and a preparation process thereof, so as to solve the problems in the prior art.
In order to solve the technical problems, the invention provides the following technical scheme:
the stone-like permeable terrace mortar containing silicon dioxide comprises the following raw materials in parts by weight: 55-75 parts of cement, 25-45 parts of industrial waste residues, 12-18 parts of quartz sand, 4-9 parts of modified silica fume, 6-12 parts of composite bagasse fiber aerogel, 1-3 parts of pigment, 1-1.2 parts of water repellent and 1.8-2.2 parts of rubber powder.
Further, the preparation of the industrial waste residue comprises the following steps: firstly coarsely crushing iron slag tailings, waste glass and biomass power plant ash, then secondarily crushing the coarsely crushed iron slag tailings and waste glass, grinding the coarsely crushed biomass power plant ash, screening to obtain 0.12-0.2mm iron slag tailings, 80-120 mu m waste glass and 60-100 mu m biomass power plant ash, and mixing the iron slag tailings, the waste glass and the biomass power plant ash according to a mass ratio of 3:4:1, mixing to obtain industrial waste residues.
Further, the water repellent is one of sodium methyl silicate, polysiloxane and organosilicon emulsion.
Further, the rubber powder is one of acrylic rubber powder, styrene-butadiene rubber powder and polyvinyl alcohol rubber powder.
Further, the preparation of the composite bagasse fiber aerogel comprises the following steps:
(1) Mixing sodium hydroxide, urea and deionized water, pre-cooling to-12 ℃, adding crushed bagasse fibers and epichlorohydrin, preserving heat for 22-24 hours at 35-40 ℃, soaking in the deionized water, and freeze-drying to obtain pretreated bagasse fibers;
(2) Mixing sodium periodate and deionized water, adding pretreated bagasse fibers, stirring at 18-25 ℃ in a dark place for 70-72 hours, adding ethylene glycol, washing, and freeze-drying to obtain oxidized bagasse fiber aerogel;
(3) Mixing polyamino ionic liquid and deionized water, adding oxidized bagasse fiber aerogel, preserving heat at 18-25 ℃ for 5-6 hours, adding sodium cyanoborohydride, continuously stirring for 1-2 hours, washing with deionized water, and freeze-drying to obtain the composite bagasse fiber aerogel.
Further, the size of the crushed bagasse fibers is 100-200 μm.
Further, the mass ratio of the polyamino ionic liquid to the oxidized bagasse fiber aerogel is 1:2.
further, the preparation of the modified silica fume comprises the following steps:
1) Mixing 3-aminopropyl triethoxysilane, succinic anhydride and N, N-dimethylformamide, stirring for 2-3h, adding ultrasonic mixed solution of silica fume, N-dimethylformamide and distilled water, continuously stirring for 3-5h, washing with absolute ethyl alcohol and distilled water for 3-5 times in sequence, and drying to obtain carboxylated silica fume;
2) Mixing carboxylated silica fume and polyamino ionic liquid, ultrasonically stirring for 1-2h, and drying to obtain modified silica fume.
Further, the preparation of the polyamino ionic liquid comprises the following steps:
mixing diethylenetriamine and imidazole, adding the mixed solution of ethanol and deionized water, stirring at 20-25 ℃ for 22-24h, and performing rotary evaporation to obtain the polyamino ionic liquid.
Further, the preparation process of the silica-containing stone-like permeable terrace mortar comprises the following steps: mixing cement, industrial waste residue, quartz sand, modified silica fume, composite bagasse fiber aerogel, pigment, water repellent and rubber powder to obtain the stone-like permeable terrace mortar containing silicon dioxide.
The invention has the beneficial effects that:
the invention provides the stone-like permeable terrace mortar containing the silicon dioxide and the preparation process thereof, and the components are adjusted to provide beautiful ornamental value, and simultaneously, the stone-like permeable terrace mortar can effectively counteract vibration and cracks generated by cement, has excellent constructability, and enables the formed terrace to have excellent permeability, impermeability, wear resistance and impact resistance.
According to the invention, industrial waste slag is introduced into the raw materials as aggregate, and the iron tailing slag, the waste glass and the biomass power plant ash belong to the industrial waste slag.
According to the invention, the silica fume and the industrial waste residue are introduced to be compounded to serve as a composite excitant, and the crystal seed effect, the volcanic ash effect, the micro-material filling effect and the active ingredients in the industrial waste residue are utilized to synergistically strengthen hydration reaction, so that the complex compactness of a network structure is enhanced, and the mechanical property of the permeable terrace is improved; however, the silica fume is a superfine siliceous powder material, which is directly doped into cement to solve the problems of easy agglomeration, uneven dispersion and the like, the silica fume is modified, the silica fume is carboxylated by using 3-aminopropyl triethoxy silane and succinic anhydride, and then the polyamino ionic liquid synthesized by diethylenetriamine and imidazole is grafted, so that the dispersion uniformity of the silica fume in cement and industrial waste residues is effectively improved, and meanwhile, the characteristics of difficult volatilization, high thermal stability and the like of the polyamino ionic liquid are utilized, so that the silica fume is firmly combined in a permeable terrace, the uniformity and wear resistance of terrace mortar are effectively improved, and the problems of silica fume falling off and the like caused by long-term rain wash are prevented.
According to the invention, bagasse fibers are added as raw materials, so that waste is changed into valuable, and meanwhile, the complex structure of cement and industrial waste residues from macroscopic scale to nanoscopic scale is optimized, and excellent deformation resistance and reinforcement capability of mortar are provided; however, the bagasse fiber is directly added, so that the problems of easy sedimentation and the like in construction exist, and in the invention, in order to improve the dispersibility of the bagasse fiber, an alkali-soluble system is adopted for dissolution and regeneration to prepare the bagasse fiber aerogel, sodium periodate is adopted for oxidization, and then the bagasse fiber aerogel is grafted with polyamino ionic liquid through Schiff base reaction to obtain the composite bagasse fiber aerogel; the bagasse fiber is subjected to air gelation, the three-dimensional nano porous structure of the bagasse fiber effectively improves the water permeability, cracking resistance and impact resistance of the terrace mortar, the subsequent grafting of the polyamino ion liquid can effectively improve the dispersion uniformity of the bagasse fiber in the terrace mortar, the introduction of the polyamino ion liquid can cooperate with the mortar to have good rheological property in pouring and vibrating, the construction is facilitated, and the construction has good deformation resistance.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely in connection with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, if directional indications such as up, down, left, right, front, and rear are involved in the embodiment of the present invention, the directional indication is merely used to explain a relative positional relationship between a specific posture such as each component, a movement condition, and the like, and if the specific posture is changed, the directional indication is changed accordingly. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The following description of the embodiments of the present invention will be presented in further detail with reference to the examples, which should be understood as being merely illustrative of the present invention and not limiting.
Example 1: a preparation process of silica-containing stone-like permeable terrace mortar comprises the following steps: mixing cement, industrial waste residue, quartz sand, modified silica fume, composite bagasse fiber aerogel, pigment, water repellent and rubber powder to obtain stone-like permeable terrace mortar containing silicon dioxide;
the mortar comprises the following raw materials in parts by weight: 55 parts of cement, 25 parts of industrial waste residue, 12 parts of quartz sand, 4 parts of modified silica fume, 6 parts of composite bagasse fiber aerogel, 1 part of pigment, 1 part of water repellent and 1.8 parts of rubber powder;
the preparation of the industrial waste residue comprises the following steps: firstly coarsely crushing iron slag tailings, waste glass and biomass power plant ash, then secondarily crushing the coarsely crushed iron slag tailings and waste glass, grinding the coarsely crushed biomass power plant ash, screening to obtain 0.12mm iron slag tailings, 80 mu m waste glass and 60 mu m biomass power plant ash, and mixing the iron slag tailings, the waste glass and the biomass power plant ash according to a mass ratio of 3:4:1, mixing materials to obtain industrial waste residues;
the water repellent is sodium methyl silicate; the rubber powder is acrylic rubber powder;
the preparation method of the composite bagasse fiber aerogel comprises the following steps:
(1) Mixing 8g of sodium hydroxide, 14g of urea and 100mL of deionized water, pre-cooling to-12 ℃, adding 3g of crushed bagasse fibers and 10mL of epichlorohydrin, preserving the temperature for 24 hours at 35 ℃, soaking in the deionized water, and freeze-drying to obtain pretreated bagasse fibers;
(2) Mixing 3g of sodium periodate and 100mL of deionized water, adding 2g of pretreated bagasse fibers, stirring at 18 ℃ in the dark for 72 hours, adding 100mL of ethylene glycol, washing, and freeze-drying to obtain oxidized bagasse fiber aerogel;
(3) Mixing 2g of polyamino ionic liquid and 60mL of deionized water, adding 2g of oxidized bagasse fiber aerogel, preserving heat at 18 ℃ for 6 hours, adding 1g of sodium cyanoborohydride, continuously stirring for 1 hour, washing with deionized water, and freeze-drying to obtain composite bagasse fiber aerogel;
the size of the crushed bagasse fibers is 100 mu m;
the preparation of the modified silica fume comprises the following steps:
1) Mixing 1mmol of 3-aminopropyl triethoxysilane, 1mmol of succinic anhydride, 20mLN and N-dimethylformamide, stirring for 2h, adding an ultrasonic mixed solution of 2g of silica fume, 20mLN, N-dimethylformamide and 30mL of distilled water, continuously stirring for 3h, washing with absolute ethyl alcohol and distilled water for 3 times in sequence, and drying to obtain carboxylated silica fume;
2) Mixing 1.2g of carboxylated silica fume and 1.5g of polyamino ionic liquid, ultrasonically stirring for 1h, and drying to obtain modified silica fume;
the preparation of the polyamino ionic liquid comprises the following steps:
1mmol of diethylenetriamine and 1mmol of imidazole are mixed, 40mL of ethanol and 10mL of deionized water are added, and the mixture is stirred for 24 hours at 20 ℃ and is subjected to rotary evaporation, so as to obtain the polyamino ionic liquid.
Example 2: a preparation process of silica-containing stone-like permeable terrace mortar comprises the following steps: mixing cement, industrial waste residue, quartz sand, modified silica fume, composite bagasse fiber aerogel, pigment, water repellent and rubber powder to obtain stone-like permeable terrace mortar containing silicon dioxide;
the mortar comprises the following raw materials in parts by weight: 65 parts of cement, 32 parts of industrial waste residue, 15 parts of quartz sand, 7 parts of modified silica fume, 8 parts of composite bagasse fiber aerogel, 2 parts of pigment, 1.1 parts of water repellent and 2 parts of rubber powder;
the preparation of the industrial waste residue comprises the following steps: firstly coarsely crushing iron slag tailings, waste glass and biomass power plant ash, then secondarily crushing the coarsely crushed iron slag tailings and waste glass, grinding the coarsely crushed biomass power plant ash, screening to obtain 0.15mm iron slag tailings, 90 mu m waste glass and 95 mu m biomass power plant ash, and mixing the iron slag tailings, the waste glass and the biomass power plant ash according to a mass ratio of 3:4:1, mixing materials to obtain industrial waste residues;
the water repellent is polysiloxane; the rubber powder is acrylic rubber powder;
the preparation method of the composite bagasse fiber aerogel comprises the following steps:
(1) Mixing 8g of sodium hydroxide, 14g of urea and 100mL of deionized water, pre-cooling to-12 ℃, adding 3g of crushed bagasse fibers and 10mL of epichlorohydrin, preserving heat for 23h at 38 ℃, soaking in the deionized water, and freeze-drying to obtain pretreated bagasse fibers;
(2) Mixing 3g of sodium periodate and 100mL of deionized water, adding 2g of pretreated bagasse fibers, stirring for 71h at 20 ℃ in a dark place, adding 100mL of ethylene glycol, washing, and freeze-drying to obtain oxidized bagasse fiber aerogel;
(3) Mixing 2g of polyamino ionic liquid and 60mL of deionized water, adding 2g of oxidized bagasse fiber aerogel, preserving heat at 20 ℃ for 5.5 hours, adding 1g of sodium cyanoborohydride, continuously stirring for 1.5 hours, washing with deionized water, and freeze-drying to obtain composite bagasse fiber aerogel;
the size of the crushed bagasse fiber is 150 mu m;
the preparation of the modified silica fume comprises the following steps:
1) Mixing 1mmol of 3-aminopropyl triethoxysilane, 1mmol of succinic anhydride and 20mLN, N-dimethylformamide, stirring for 2.5h, adding an ultrasonic mixed solution of 2g of silica fume, 20mLN, N-dimethylformamide and 30mL of distilled water, continuously stirring for 4h, washing with absolute ethyl alcohol and distilled water for 4 times in sequence, and drying to obtain carboxylated silica fume;
2) Mixing 1.2g of carboxylated silica fume and 1.5g of polyamino ionic liquid, ultrasonically stirring for 1.5h, and drying to obtain modified silica fume;
the preparation of the polyamino ionic liquid comprises the following steps:
1mmol of diethylenetriamine and 1mmol of imidazole are mixed, 40mL of ethanol and 10mL of deionized water are added, and the mixture is stirred for 23h at the temperature of 23 ℃ and is subjected to rotary evaporation, so as to obtain the polyamino ionic liquid.
Example 3: a preparation process of silica-containing stone-like permeable terrace mortar comprises the following steps: mixing cement, industrial waste residue, quartz sand, modified silica fume, composite bagasse fiber aerogel, pigment, water repellent and rubber powder to obtain stone-like permeable terrace mortar containing silicon dioxide;
the mortar comprises the following raw materials in parts by weight: 75 parts of cement, 45 parts of industrial waste residue, 18 parts of quartz sand, 9 parts of modified silica fume, 12 parts of composite bagasse fiber aerogel, 3 parts of pigment, 1.2 parts of water repellent and 2.2 parts of rubber powder;
the preparation of the industrial waste residue comprises the following steps: firstly coarsely crushing iron slag tailings, waste glass and biomass power plant ash, then secondarily crushing the coarsely crushed iron slag tailings and waste glass, grinding the coarsely crushed biomass power plant ash, screening to obtain 0.2mm iron slag tailings, 120 mu m waste glass and 100 mu m biomass power plant ash, and mixing the iron slag tailings, the waste glass and the biomass power plant ash according to a mass ratio of 3:4:1, mixing materials to obtain industrial waste residues;
the water repellent is organic silicon emulsion; the rubber powder is acrylic rubber powder;
the preparation method of the composite bagasse fiber aerogel comprises the following steps:
(1) Mixing 8g of sodium hydroxide, 14g of urea and 100mL of deionized water, pre-cooling to-12 ℃, adding 3g of crushed bagasse fibers and 10mL of epichlorohydrin, preserving heat for 22 hours at 40 ℃, soaking in the deionized water, and freeze-drying to obtain pretreated bagasse fibers;
(2) Mixing 3g of sodium periodate and 100mL of deionized water, adding 2g of pretreated bagasse fibers, stirring at 25 ℃ in a dark place for 70 hours, adding 100mL of ethylene glycol, washing, and freeze-drying to obtain oxidized bagasse fiber aerogel;
(3) Mixing 2g of polyamino ionic liquid and 60mL of deionized water, adding 2g of oxidized bagasse fiber aerogel, preserving heat at 25 ℃ for 5 hours, adding 1g of sodium cyanoborohydride, continuously stirring for 2 hours, washing with deionized water, and freeze-drying to obtain composite bagasse fiber aerogel;
the size of the crushed bagasse fibers is 200 mu m;
the preparation of the modified silica fume comprises the following steps:
1) Mixing 1mmol of 3-aminopropyl triethoxysilane, 1mmol of succinic anhydride and 20mLN, N-dimethylformamide, stirring for 3h, adding an ultrasonic mixed solution of 2g of silica fume, 20mLN, N-dimethylformamide and 30mL of distilled water, continuously stirring for 5h, washing with absolute ethyl alcohol and distilled water for 5 times in sequence, and drying to obtain carboxylated silica fume;
2) Mixing 1.2g of carboxylated silica fume and 1.5g of polyamino ionic liquid, ultrasonically stirring for 2 hours, and drying to obtain modified silica fume;
the preparation of the polyamino ionic liquid comprises the following steps:
1mmol of diethylenetriamine and 1mmol of imidazole are mixed, 40mL of ethanol and 10mL of deionized water are added, and the mixture is stirred for 22h at 25 ℃ and distilled to obtain polyamino ionic liquid.
Comparative example 1: taking example 3 as a control group, iron slag tailings, waste glass and biomass power plant ash are mixed according to a mass ratio of 4:4:1, mixing materials, and other working procedures are normal.
Comparative example 2: with example 3 as a control group, the iron slag tailings were used to replace the industrial slag, and the other procedures were normal.
Comparative example 3: with example 3 as a control group, the composite bagasse fiber aerogel was replaced with oxidized bagasse fiber aerogel, and the other procedures were normal.
Comparative example 4: with example 3 as a control group, the composite bagasse fiber aerogel was replaced with bagasse fibers, and the other procedures were normal.
Comparative example 5: with example 3 as a control group, the modified silica fume was replaced with silica fume, and the other procedures were normal.
The raw material sources are as follows:
iron tailing slag: certain iron tailings in Dabao mountain mining areas in Shaoguan city of Guangdong province comprise the following components in percentage by mass: 62.1% of silicon dioxide, 2.6% of calcium oxide, 8.4% of aluminum oxide, 13.2% of ferric oxide, 2.2% of magnesium oxide, 2.3% of potassium oxide, 2.2% of sodium oxide, 1.2% of sulfur trioxide and the balance of impurities; waste glass: the glass factory in Guangzhou city comprises the following waste glass in percentage by mass: 69.12% of silicon dioxide, 13.61% of calcium oxide, 1.14% of aluminum oxide, 0.4% of ferric oxide, 5.21% of magnesium oxide, 0.21% of potassium oxide, 11.11% of sodium oxide, 0.27% of sulfur trioxide, 0.07% of titanium dioxide and the balance of impurities; ash from biomass power plants: the biomass power plant in Guangzhou city comprises the following ash components in percentage by mass: 49.24% of silicon dioxide, 15.31% of calcium oxide, 9.31% of aluminum oxide, 7.64% of ferric oxide, 1.88% of magnesium oxide, 6.24% of potassium oxide, 1.32% of sodium oxide, 1.13% of phosphorus pentoxide, 1.88% of sulfur trioxide, 2.45% of chlorine and the balance of impurities; bagasse fiber (cantaloupe sugar refinery): cutting, drying and screening bagasse into pieces with the length of 5mm; silica fume YLD-GH: yonglida New Material technologies Co., ltd; quartz sand 14808-60-7: pan (Shanghai) International trade Limited; cement 42.5R: sea snail cement; pigment E832638: shanghai Miclin Biochemical technologies Co., ltd; sodium methyl silicate 16589-43-8: hubei huge science and technology limited company; acrylic powder 2200: camphorwood head Hongyu plasticization business in Dongguan city; silicone emulsion AF-7820: guangzhou chemical industry Co., ltd; polysiloxane (polydimethylsiloxane) H431357, urea U111897, epichlorohydrin E108182, sodium periodate S104090, ethylene glycol E103319, sodium cyanoborohydride S105661, 3-aminopropyl triethoxysilane a107148, succinic anhydride S104823, N-dimethylformamide D111999, diethylenetriamine D100058, imidazole I108707: ala Ding Shiji; sodium hydroxide, absolute ethanol, analytically pure: national drug group reagent.
Performance test: performance tests were performed on the mortars prepared in examples 1 to 3 and comparative examples 1 to 5:
when performance tests are carried out, the mass ratio of mortar to purified water in the examples and the comparative examples is 1:0.3;
compressive strength: the test was carried out with reference to GB/T17671-1999, the pressurizing rate was 2400N/s, and the load of the test specimen when crushed was recorded; pressure resistance: performing a permeation resistance test by referring to JGJ/T70-2009; abrasion resistance: putting a die with the dimensions of 200mm multiplied by 100mm multiplied by 60mm, carrying out standard curing for one week, and carrying out test by referring to GB/T12988-2009, wherein the average pit grinding length is measured for 15 times, and the unit is mm; water permeability coefficient: the water permeability coefficient is tested by referring to GB/T25993 water permeability pavement bricks and water permeability pavement boards; the results are shown in Table 1 below;
TABLE 1
| Compressive strength (MPa) | Impervious pressure (MPa) | Average pit length (mm) | Permeability coefficient (1×10) -2 cm/s） | |
| Example 1 | 42 | 2.3 | 10 | 4.5 |
| Example 2 | 44 | 2.4 | 10 | 4.6 |
| Example 3 | 46 | 2.6 | 9 | 4.8 |
| Comparative example 1 | 34 | 1.8 | 11 | 3.8 |
| Comparative example 2 | 30 | 1.2 | 13 | 2.4 |
| Comparative example 3 | 36 | 1.9 | 14 | 3.5 |
| Comparative example 4 | 25 | 1.1 | 18 | 2.1 |
| Comparative example 5 | 37 | 1.7 | 17 | 2.3 |
The invention provides the stone-like permeable terrace mortar containing the silicon dioxide and the preparation process thereof, and the components are adjusted to provide beautiful ornamental value, and simultaneously, the stone-like permeable terrace mortar can effectively counteract vibration and cracks generated by cement, has excellent constructability, and enables the formed terrace to have excellent permeability, impermeability, wear resistance and impact resistance.
By comparing the embodiment 3 with the comparative example 1 and the comparative example 2, the invention introduces industrial waste slag as aggregate in raw materials, and the iron tailing slag, the waste glass and the biomass power plant ash belong to the industrial waste slag.
Comparing example 3 with comparative example 3 and comparative example 4, the invention realizes changing waste into valuable by adding bagasse fiber, optimizes the complex structure of cement and industrial waste residues from macroscopic scale to nanoscopic scale, and endows mortar with excellent deformation resistance and reinforcement capability; however, the bagasse fiber is directly added, so that the problems of easy sedimentation and the like in construction exist, and in the invention, in order to improve the dispersibility of the bagasse fiber, an alkali-soluble system is adopted for dissolution and regeneration to prepare the bagasse fiber aerogel, sodium periodate is adopted for oxidization, and then the bagasse fiber aerogel is grafted with polyamino ionic liquid through Schiff base reaction to obtain the composite bagasse fiber aerogel; the bagasse fiber is subjected to air gelation, the three-dimensional nano porous structure of the bagasse fiber effectively improves the water permeability, cracking resistance and impact resistance of the terrace mortar, the subsequent grafting of the polyamino ion liquid can effectively improve the dispersion uniformity of the bagasse fiber in the terrace mortar, the introduction of the polyamino ion liquid can cooperate with the mortar to have good rheological property during pouring and vibrating, the construction is convenient, and the bagasse fiber has good shape retention capacity after the construction.
Comparing example 3 with comparative example 5, in the invention, the silica fume and the industrial waste residue are compounded to be used as a compound excitant, and the seed crystal effect, the volcanic ash effect, the micro-material filling effect and the active ingredients in the industrial waste residue are utilized to synergistically strengthen hydration reaction, so that the complex compactness of a network structure is enhanced, and the mechanical property of the permeable terrace is improved; however, the silica fume is a superfine siliceous powder material, which is directly doped into cement to solve the problems of easy agglomeration, uneven dispersion and the like, the silica fume is modified, the silica fume is carboxylated by using 3-aminopropyl triethoxy silane and succinic anhydride, and then the polyamino ionic liquid synthesized by diethylenetriamine and imidazole is grafted, so that the dispersion uniformity of the silica fume in cement and industrial waste residues is effectively improved, and meanwhile, the characteristics of difficult volatilization, high thermal stability and the like of the polyamino ionic liquid are utilized, so that the silica fume is firmly combined in a permeable terrace, the uniformity and wear resistance of terrace mortar are effectively improved, and the problems of silica fume falling off and the like caused by long-term rain wash are prevented.
The foregoing description is only exemplary embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the present invention or direct/indirect application in other related technical fields are included in the scope of the present invention.
Claims (10)
1. The stone-like permeable terrace mortar containing silicon dioxide is characterized by comprising the following raw materials in parts by weight: 55-75 parts of cement, 25-45 parts of industrial waste residues, 12-18 parts of quartz sand, 4-9 parts of modified silica fume, 6-12 parts of composite bagasse fiber aerogel, 1-3 parts of pigment, 1-1.2 parts of water repellent and 1.8-2.2 parts of rubber powder.
2. The silica-containing stone-like water permeable floor mortar of claim 1, wherein the preparation of the industrial waste residue comprises the following steps: firstly coarsely crushing iron slag tailings, waste glass and biomass power plant ash, then secondarily crushing the coarsely crushed iron slag tailings and waste glass, grinding the coarsely crushed biomass power plant ash, screening to obtain 0.12-0.2mm iron slag tailings, 80-120 mu m waste glass and 60-100 mu m biomass power plant ash, and mixing the iron slag tailings, the waste glass and the biomass power plant ash according to a mass ratio of 3:4:1, mixing to obtain industrial waste residues.
3. The silica-containing stone-like water permeable floor mortar of claim 1, wherein the water repellent is one of sodium methyl silicate, polysiloxane, and silicone emulsion.
4. The silica-containing stone-like water permeable floor mortar of claim 1, wherein the rubber powder is one of acrylic rubber powder, styrene-butadiene rubber powder and polyvinyl alcohol rubber powder.
5. The silica-containing stone-like water permeable terrace mortar of claim 1, wherein the preparation of the composite bagasse fiber aerogel comprises the steps of:
(1) Mixing sodium hydroxide, urea and deionized water, pre-cooling to-12 ℃, adding crushed bagasse fibers and epichlorohydrin, preserving heat for 22-24 hours at 35-40 ℃, soaking in the deionized water, and freeze-drying to obtain pretreated bagasse fibers;
(2) Mixing sodium periodate and deionized water, adding pretreated bagasse fibers, stirring at 18-25 ℃ in a dark place for 70-72 hours, adding ethylene glycol, washing, and freeze-drying to obtain oxidized bagasse fiber aerogel;
(3) Mixing polyamino ionic liquid and deionized water, adding oxidized bagasse fiber aerogel, preserving heat at 18-25 ℃ for 5-6 hours, adding sodium cyanoborohydride, continuously stirring for 1-2 hours, washing with deionized water, and freeze-drying to obtain the composite bagasse fiber aerogel.
6. A silica-containing stone-like water-permeable floor slurry according to claim 5, wherein the size of the crushed bagasse fibers is 100-200 μm.
7. The silica-containing stone-like permeable terrace mortar of claim 5, wherein the mass ratio of the polyamino ionic liquid to the oxidized bagasse fiber aerogel is 1:2.
8. the silica-containing stone-like water permeable floor mortar of claim 1, wherein the preparation of the modified silica fume comprises the steps of:
1) Mixing 3-aminopropyl triethoxysilane, succinic anhydride and N, N-dimethylformamide, stirring for 2-3h, adding ultrasonic mixed solution of silica fume, N-dimethylformamide and distilled water, continuously stirring for 3-5h, washing with absolute ethyl alcohol and distilled water for 3-5 times in sequence, and drying to obtain carboxylated silica fume;
2) Mixing carboxylated silica fume and polyamino ionic liquid, ultrasonically stirring for 1-2h, and drying to obtain modified silica fume.
9. A silica-containing stone-like water-permeable floor mortar according to claim 5 or 8, wherein the preparation of the polyamino ionic liquid comprises the steps of:
mixing diethylenetriamine and imidazole, adding the mixed solution of ethanol and deionized water, stirring at 20-25 ℃ for 22-24h, and performing rotary evaporation to obtain the polyamino ionic liquid.
10. The process for preparing a silica-containing stone-like permeable flooring according to any one of claims 1 to 8, comprising the steps of: mixing cement, industrial waste residue, quartz sand, modified silica fume, composite bagasse fiber aerogel, pigment, water repellent and rubber powder to obtain the stone-like permeable terrace mortar containing silicon dioxide.
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