CN104177029A - High-toughness inorganic material/polymer composite concrete and preparation method thereof - Google Patents
High-toughness inorganic material/polymer composite concrete and preparation method thereof Download PDFInfo
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Abstract
The invention discloses high-toughness inorganic material/polymer composite concrete and a preparation method thereof. The preparation method of the high-toughness inorganic material/polymer composite concrete comprises the following steps: modifying carbon nanometer tubes through a chemical reaction to obtain modified carbon nanometer tubes of which the surface is chemically grafted with high-substituted hydroxyproxyl cellulose, adding the modified carbon nanometer tubes in polyacrylate emulsion and stirring and mixing with water, a polyacrylate toughening emulsion, concrete, gravel, a fine aggregate, slag powder, fly ash and a water reducer as raw materials, thus obtaining the high-toughness inorganic material/polymer composite concrete. Through detection, the high-toughness concrete provided by the invention can show the significant strain hardening or deformation hardening characteristics under the action of a direct tensile load or a bending load, the bending strength can reach 19-29MPa, the tensile strength can reach 8-16MPa and the compressive strength can reach 78-95MPa. The high-toughness inorganic material/polymer composite concrete can be applied to fields such as bridge floor of large-span cross-sea/cross-river bridges, high-speed rail overhead viaducts and arch walls of various tunnels such as subway.
Description
Technical field
The invention belongs to building material field, be specifically related to compound high tenacity concrete of a kind of inorganic materials/polymkeric substance and preparation method thereof.
Background technology
The shortcoming that conventional concrete bending strength is lower, fragility is high causes it in use easily to produce crack even rupturing, thereby has a strong impact on general safety and the work-ing life of building.Special in the bridge floor such as Longspan Bridge and high ferro viaduct, and building structure and the position such as all types of tunnels arch wall, because its ambient stress is complicated harsh, must adopt the high as far as possible high tenacity concrete material of bending strength.For improving concrete toughness, reinforcing bar is early adopted and a large amount of use so far.Afterwards, the better each fiber material of mechanical property and toughening effect, as the priorities such as carbon fiber, glass fibre, good fortune tap fiber, steel wire/steel screen fabric, polyvinyl alcohol fiber, trevira, durafiber are used, and develop corresponding concrete product.
Since 1991 are found, the accurate one dimension hollow tubular structure that carbon nanotube is peculiar makes it demonstrate excellent properties in mechanics, electricity, magnetics etc. aspect numerous, therefore develops the important front edge that becomes 21 century material sciemtifec and technical sphere rapidly.In carbon nanotube, carbon atom is with sp
2be hybridized to master, hexagonal grid structure Existential Space topological framework, can form certain sp simultaneously
3hybrid bond.This sp of carbon nanotube
2and sp
3the chemical bond of mixed hybridization makes it have excellent mechanical property, as the tensile strength of carbon nanotube can reach 50～200GPa, is 100 times of same volume steel, and density but only has 1/6 of steel; The Young's modulus of carbon nanotube can reach 1TPa, suitable with diamond, is about 5 times of steel.Hardness and the diamond of carbon nanotube are suitable, but have good snappiness.Researchist was once placed in carbon nanotube under the hydraulic pressure of 1011 MPa, and huge pressure is crushed carbon nanotube, but removed after pressure, and carbon nanotube immediate recovery original state, shows fabulous toughness.Carbon nanotube is the material with high specific strength that can prepare at present, thereby is claimed " super fiber ".Simultaneously, strengthen toughened fiber for conventional industry, one of key factor that determines intensity is length-to-diameter ratio, and the length-to-diameter ratio of material engineering Shi Xiwang is at least 20:1, and the length-to-diameter ratio of carbon nanotube is generally more than 1000:1, is therefore the toughness reinforcing strongthener of a kind of ideal concrete.
For preparing high tenacity concrete, the present invention has adopted a kind of " inorganic materials/polymer interpenetration network coordination plasticizing system " first.Be somebody's turn to do in " coordination plasticizing system ", inorganic materials adopts " super fiber " carbon nanotube of mechanical property excellence.Because the specific surface area of carbon nanotube is large, specific surface energy is high, form block aggregate and lose the excellent properties that it has thereby easily tangle to reunite, seriously restrict carbon nanotube application aspect toughness reinforcing at concrete.The present invention carries out modification by series of chemical to carbon nanotube, prepare the modified carbon nano-tube of surface chemistry grafting Hydroxypropylcelliloxe, the introducing of Hydroxypropylcelliloxe can significantly strengthen the repulsive interaction between carbon nano-tube material, and it is water-soluble that carbon nanotube is had.
Meanwhile, should in " coordination plasticizing system ", also adopt two kinds of different polyacrylate dispersions: in a kind of emulsion components,, containing monomers such as methyl methacrylate, hydroxyethyl methylacrylates, its intensity of solidifying rear material is higher; In another kind of emulsion components, containing monomers such as ethyl propenoate, butyl acrylates, its snappiness of solidifying rear material is better.These two kinds of polyacrylate dispersions, in the process of concrete crosslinking curing, can form microcosmic inierpeneirating network structure, thereby make concrete material show good toughness, intensity, fatigue resistance and isotropy, bring great improvement to concrete performance.
Summary of the invention
The object of the present invention is to provide compound high tenacity concrete of a kind of inorganic materials/polymkeric substance and preparation method thereof, by chemical reaction, carbon nanotube is carried out to modification, make the modified carbon nano-tube of surface chemistry grafting Hydroxypropylcelliloxe, joined in polyacrylate dispersion; And utilize the polyacrylate dispersion of two kinds of different monomers compositions can form microcosmic inierpeneirating network structure in the process of concrete crosslinking curing, build one " inorganic materials/polymer interpenetration network coordination plasticizing system ", thereby prepare all good concrete materials of a kind of toughness, intensity, fatigue resistance.
For achieving the above object, the present invention adopts following technical scheme:
The compound high tenacity concrete of a kind of inorganic materials/polymkeric substance, by water, form containing the toughness reinforcing emulsion of polyacrylate dispersion, polyacrylic ester, cement, rubble, fine aggregate, slag powders, flyash and the water reducer of modified carbon nano-tube; The proportioning of each component is as follows:
Water 130-160 kg/m
3;
Containing the polyacrylate dispersion 10-15 kg/m of modified carbon nano-tube
3;
The toughness reinforcing emulsion 20-30 kg/m of polyacrylic ester
3;
Cement 385-410 kg/m
3;
Rubble 950-1050 kg/m
3;
Fine aggregate 550-750 kg/m
3;
Slag powders 20-30 kg/m
3;
Flyash 40-65 kg/m
3;
Water reducer 3.5-6 kg/m
3;
Described containing in the polyacrylate dispersion of modified carbon nano-tube, the mass percent of modified carbon nano-tube is 1-3.5%.
The preparation method of described modified carbon nano-tube comprises the steps:
1) carbon nanotube 1830 g are joined in the nitration mixture of the 9 L vitriol oils and 6 L concentrated nitric acids composition, ultrasonic 24 h post-heating 48 h that reflux, after centrifugation, carbon nanotube is washed, vacuum-drying 24 h at 60-65 DEG C, obtain carbon nanotube 1800 gs of surface containing carboxyl functional group;
2) carbon nanotube 1800 g containing carboxyl functional group by above-mentioned surface, join in 15 L thionyl chloride, at 25-30 DEG C, stir after 3 h, be warmed up to 80 DEG C of return stirring 24 h, then remove thionyl chloride under reduced pressure, at room temperature vacuum-drying of carbon nanotube 24 h after anhydrous propanone is cleaned, obtain carbon nanotube 1765 gs of surface containing acid chloride groups;
3) carbon nanotube 1765 g containing acid chloride groups by above-mentioned surface, join in the 8.5 L N-Methyl pyrrolidone that contain 490 g quadrols and 100 ml triethylamines, at 25-30 DEG C, stir 5 h, at 80 DEG C, stir again after 24 h, remove N-Methyl pyrrolidone and triethylamine under reduced pressure, after washing with water, at room temperature vacuum-drying 36 h, obtain surface with amino carbon nanotube 1730 g;
4) by above-mentioned surface with amino carbon nano tube derivative 1730 g, at 0-3 DEG C, join in the 6.5 L tetrahydrofuran (THF)s that contain 280 g trimeric cyanamides, and at 0-3 DEG C, continue to stir after 48 h, remove tetrahydrofuran (THF) under reduced pressure, after anhydrous propanone is cleaned, vacuum-drying 16 h at 5-10 DEG C, obtain carbon nanotube 1710 gs of surface with chloride triazine ring;
5) by carbon nanotube 1710 g of the chloride triazine ring in above-mentioned surface, at the anhydrous N of 5.5 L, in N '-dimethyl formamide after stirring and dissolving, at 30-35 DEG C, in 12 h, be slowly added drop-wise in the anhydrous propanone solution that 1.6 L are dissolved with 650 g Hydroxypropylcelliloxes, after dropwising after 48-50 DEG C of isothermal reaction 36 h, be warming up to again 90-92 DEG C and isothermal reaction 48 h, after removing solvent under reduced pressure, wash with water, vacuum-drying 48 h at 40-45 DEG C, obtain water-soluble modified carbon nanotube 1950 g of surface chemistry grafting Hydroxypropylcelliloxe;
In this modified carbon nano-tube, the mass percent of hydroxypropylcellulose is 16%.
The described polyacrylate dispersion containing modified carbon nano-tube, its preparation method comprises the steps (in step, umber used is all in weight part):
1) by OP-10 and Sodium dodecylbenzene sulfonate in mass ratio 1:2 be hybridly prepared into compound emulsifying agent;
2) at 20-25 DEG C, methyl methacrylate 20-30 part, Hydroxyethyl acrylate 15-25 part, hydroxyethyl methylacrylate 10-20 part, vinylformic acid methoxyl group ethyl ester 10-20 part, vinylformic acid 5-10 part are mixed as monomer, join in 130-160 part water together with 0.2-0.5 part lauryl mercaptan again, be hybridly prepared into monomer solution;
3) taking Potassium Persulphate as initiator, the Potassium Persulphate of monomer weight 0.8% is joined in 20 parts of water, stirring at room temperature, to dissolving completely, obtains initiator solution;
4) at 20-25 DEG C, the compound emulsifying agent of 3-8 part modified carbon nano-tube and monomer weight 3% is joined in 2/3 monomer solution, after stirring 5 h, add half initiator solution, in 1h, be warming up to while stirring 70 DEG C, and at 70-72 DEG C, continue to stir 1-2 h; Then at 80-82 DEG C, slowly drip while stirring remaining monomer solution and initiator solution, drip process used time 2-3 h; Wait to dropwise, at 80-82 DEG C, continue to stir 2-3 h, be then warming up to 90-92 DEG C and stir after 2-3 h, then be cooled to 25-30 DEG C, with ammoniacal liquor by the pH regulator to 8 of emulsion; Continue to stir after 1 h at 25-30 DEG C, obtain the described polyacrylate dispersion containing modified carbon nano-tube;
The aqueous solution that described ammoniacal liquor is is 25-28% containing ammonia massfraction.
The preparation method of the toughness reinforcing emulsion of described polyacrylic ester comprises the following steps (in step, umber used is all in weight part):
1) at 20-25 DEG C, with vinylformic acid 2-5 part, ethyl propenoate 5-10 part, butyl acrylate 15-30 part, senecioate-hydroxypropyl acrylate 10-20 part, N-(1,1-dimethyl-3-oxo butyl) acrylamide 15-20 part, vinylbenzene 10-20 part is as monomer, join in 120-150 part water, be stirred to completely and dissolve, obtain monomer solution;
2) taking benzoyl peroxide as initiator, the benzoyl peroxide of monomer weight 1% is joined in 20 parts of water, the initiator solution of homogeneous is dissolved, formed to stirring at room temperature completely to it;
3) at 20-25 DEG C, the emulsifying agent of monomer weight 2% is joined in 1/3 monomer solution, after stirring 1-2 h, add 70% initiator solution, in 1h, be warming up to while stirring 80 DEG C; Then at 80-82 DEG C, slowly drip while stirring 20% initiator solution and remaining monomer solution, drip process used time 3-4 h; After dropwising, at 80-82 DEG C, continue to stir 2-3 h; Add again remaining initiator solution, be warming up to 88-90 DEG C and continue to stir after 1-2 h, be cooled to 25-28 DEG C, with ammoniacal liquor by the pH regulator to 8 of emulsion; Finally add 15-20 part adipic dihydrazide, at 25-28 DEG C, stir 2 h, obtain the toughness reinforcing emulsion of polyacrylic ester;
It is the tensio-active agent of L61 or P103 that described emulsifying agent adopts BASF AG's trade mark;
The aqueous solution that described ammoniacal liquor is is 25-28% containing ammonia massfraction.
Described cement is 42.5 grades of ordinary Portland cements;
It is 1600-1800 kg/m that described rubble adopts bulk density
3, crush values 6-9%, water-intake rate 0.4-0.6% basaltic broken stone; This basaltic broken stone is made up of three kinds of graded particies of 5-10 mm, 10-20 mm and 20-25 mm, and its percentage composition is respectively 40%, 50%, 10%;
Described fine aggregate is natural river sand, and its bulk density is 1500-1700kg/m
3, fineness modulus is 2.5-3.0, silt content is less than 1.8%;
Described slag powders is S105 slag powders, and its specific surface area is greater than 350 cm
2/ g, density is not less than 2.8 g/cm
3;
Described flyash is I level flyash, and its specific surface area is greater than 400 cm
2/ g, density is 2.6-2.8 g/cm
3;
Described water reducer is polycarboxylic acids high efficiency plasticising water reducer, and water-reducing rate is 20-30%.
The concrete preparation method of the compound high tenacity of described inorganic materials/polymkeric substance, specifically comprises the following steps:
1) water reducer is added to the water, after stirring 40 min, must stirs material A;
2) fine aggregate and rubble are packed in concrete mixer and stirred after 15 min, in 5 min, slowly pour the polyacrylate dispersion containing modified carbon nano-tube into stirrer, be finished down rear continuation and stir 10 min, must stir and expect B;
3) cement, slag powders and flyash are poured into and stirred in material B, after stirring 15 min, toughness reinforcing polyacrylic ester emulsion is poured in 10 min, and continue to stir 5 min, must stir material C;
4) stirring material A is poured into and stirred in material C in 3-6 min, be finished down rear continuation and stir 10-15 min, obtain high tenacity concrete-agitating material D;
5) the stirring material D of step 4) is poured out, pours into a mould, is vibrated after moulding under the condition of 20 ± 2 DEG C of relative humidity 90 ± 5%, temperature, maintenance 28 days.
compared with the prior art, technical scheme of the present invention has following novelty and beneficial effect:
The present invention has adopted a kind of " inorganic materials/polymer interpenetration network coordination plasticizing system " first.Be somebody's turn to do in " composite toughening system ", inorganic materials adopts " super fiber " carbon nanotube of mechanical property excellence---the material with high specific strength that can prepare at present, its length-to-diameter ratio, more than 1000:1, is generally the toughness reinforcing strongthener of a kind of ideal concrete.
Be somebody's turn to do in " composite toughening system ", polymkeric substance adopts two kinds of different polyacrylate dispersions: in a kind of emulsion components, containing monomers such as methyl methacrylate, hydroxyethyl methylacrylates, its intensity of solidifying rear material is higher; In another kind of emulsion components, containing monomers such as ethyl propenoate, butyl acrylates, its snappiness of solidifying rear material is better.In the process of two kinds of polyacrylate dispersions crosslinking curing in concrete, can form microcosmic inierpeneirating network structure, thereby make concrete material show good toughness, intensity, fatigue resistance and isotropy, bring great improvement to concrete performance.
In addition, because the specific surface area of carbon nanotube is large and specific surface energy is high, thereby the block aggregate of formation of reuniting of easily tangling is lost the excellent properties that it has.The present invention carries out modification by series of chemical to carbon nanotube, prepare the modified carbon nano-tube of surface chemistry grafting Hydroxypropylcelliloxe, significantly to strengthen the repulsive interaction between carbon nano-tube material, simultaneously, the hydroxypropylcellulose of carbon nano tube surface is with more hydroxyl activity group, there is very strong wetting ability, can with concrete formation process in hydrated product, as connected with reactive force between hydrogen bond equimolecular between calcium hydroxide, gel of calcium silicate, ettringite etc., carbon nanotube is had water-soluble.Utilize the water-soluble of modified carbon nano-tube, the present invention prepares the polyacrylate dispersion containing modified carbon nano-tube, it is conducive in the crosslinking curing process of polyacrylate dispersion on the one hand, carbon nanotube can fully disperse in concrete, bring into play better the effect of bi-material coordination plasticizing, make concrete general performance go out good toughness, intensity, fatigue resistance and isotropy; On the other hand, can make modified carbon nano-tube stable dispersion in polyacrylate dispersion, make concrete preparation technology easier.
Above-mentioned measure can effectively improve concrete bending strength, tensile strength and deformability, highly beneficial to the overall mechanical property of raising concrete product.Test result shows, compound high tenacity concrete provided by the present invention directly can show significant strain hardening or strain hardening feature under tensile load or bending load effect, its bending strength can reach 19-29 MPa, and tensile strength can reach 8-16 MPa, and ultimate compression strength can reach 78-95MPa.
Patent of invention ZL 200810048960.X adopts rubber powder as toughening material, prepares a kind of high tenacity concrete, and its bending strength (28d) is 5.05-6.86 MPa.Patent of invention ZL 200910187472.1 adopts polyvinyl alcohol fiber, polyethylene fiber peacekeeping aromatic polyamide fibre as toughening material, prepares a kind of high-tenacity fiber concrete, and its bending strength (28d) is 10-20MPa.Patent of invention ZL 201010266982.0 adopt diameter be 13 μ m, length be the short basalt fibre of cutting of 10 mm as toughening material, prepare a kind of high tenacity concrete, its bending strength (28d) is 4.3-6.5MPa.Application for a patent for invention 201210003519.6 adopts polypropylene fibre or glass fibre as toughening material, prepares a kind of high tenacity concrete, and its optimum bending strength (28d) is 10MPa.Application for a patent for invention 201210566338.4 adopts polyacrylonitrile fibre and steel fiber as toughening material, prepares a kind of high tenacity concrete, and its optimum bending strength (28d) is 8.6MPa.Compare with it, the concrete bending strength of compound high tenacity prepared by the present invention is significantly better than other toughness reinforcing concrete products, can be applied to high ferro viaduct, large span over strait and across the bridge floor of Jiang great Qiao, and the fields such as all types of tunnels arch wall such as subway, it is high in technological content, tool novelty, and there is good application prospect.
Embodiment
The present invention adopts first water, has prepared a kind of high tenacity concrete containing the toughness reinforcing emulsion of polyacrylate dispersion, polyacrylic ester, cement, rubble, fine aggregate, slag powders, flyash and the water reducer of modified carbon nano-tube.In order to make content of the present invention more be convenient to understand, below in conjunction with embodiment, technical solutions according to the invention are described further, but the present invention is not limited only to this.
Carbon nanotube used adopts commercially available multi-walled carbon nano-tubes, its major dimension index: purity >98%; Length 10-30 um; Caliber 50-80 nm; Specific surface area >40 (m
2/ g); Tap density 0.18 g/cm
3;
Hydroxypropylcelliloxe used is commercially available, its major dimension index: hydroxypropyl content 60-66%; Weight-average molecular weight is 80000; Weight loss on drying≤5%; Residue on ignition≤0.5%; PH (1% aqueous solution, 25) is 5.0-8.5; Granularity: 100 order percent of pass >=98.5%, 80 order percent of pass 100%; Proportion 1.26-1.31.
The aqueous solution that ammoniacal liquor used is is 26% containing ammonia massfraction;
Cement used is 42.5 grades of ordinary Portland cements.
It is 1600 kg/m that rubble used adopts bulk density
3, crush values 6%, water-intake rate 0.4% basaltic broken stone; This basaltic broken stone is made up of three kinds of graded particies of 5 mm, 10 mm and 20 mm, and its percentage composition is respectively 40%, 50%, 10%.
Fine aggregate used is natural river sand, and its bulk density is 1500kg/m
3, fineness modulus is 2.5, silt content is 1.8%.
Slag powders used is S105 slag powders, and its specific surface area is 400 cm
2/ g, density is 2.85 g/cm
3.
Flyash used is I level flyash, and its specific surface area is 400 cm
2/ g, density is 2.8 g/cm
3.
Water reducer used is the polycarboxylic acids high efficiency plasticising water reducer of the trade mark Melflux 1641F of BASF AG, and water-reducing rate is 20%, and its outward appearance is pale yellow powder, and bulk density is 30 g/100cm
3, pH is 6.5 (20 ° of C, 20% solution).
The preparation method of modified carbon nano-tube comprises the steps:
1) carbon nanotube 1830 g are joined in the nitration mixture of the 9 L vitriol oils and 6 L concentrated nitric acids composition, ultrasonic 24 h post-heating 48 h that reflux, after centrifugation, carbon nanotube is washed, vacuum-drying 24 h at 65 DEG C, obtain carbon nanotube 1800 gs of surface containing carboxyl functional group;
2) carbon nanotube 1800 g containing carboxyl functional group by above-mentioned surface, join in 15 L thionyl chloride, at 30 DEG C, stir after 3 h, be warmed up to 80 DEG C of return stirring 24 h, then remove thionyl chloride under reduced pressure, at room temperature vacuum-drying of carbon nanotube 24 h after anhydrous propanone is cleaned, obtain carbon nanotube 1765 gs of surface containing acid chloride groups;
3) carbon nanotube 1765 g containing acid chloride groups by above-mentioned surface, join in the 8.5 L N-Methyl pyrrolidone that contain 490 g quadrols and 100 ml triethylamines, at 30 DEG C, stir 5 h, at 80 DEG C, stir again after 24 h, remove N-Methyl pyrrolidone and triethylamine under reduced pressure, after washing with water, at room temperature vacuum-drying 36 h, obtain surface with amino carbon nanotube 1730 g;
4) by above-mentioned surface with amino carbon nano tube derivative 1730 g, at 3 DEG C, join in the 6.5 L tetrahydrofuran (THF)s that contain 280 g trimeric cyanamides, and at 3 DEG C, continue to stir after 48 h, remove tetrahydrofuran (THF) under reduced pressure, after anhydrous propanone is cleaned, vacuum-drying 16 h at 10 DEG C, obtain carbon nanotube 1710 gs of surface with chloride triazine ring;
5) above-mentioned surface is had to carbon nanotube 1710 g of chloride triazine ring, at the anhydrous N of 5.5 L, in N '-dimethyl formamide after stirring and dissolving, at 35 DEG C, in 12 h, be slowly added drop-wise in the anhydrous propanone solution that 1.6 L are dissolved with 650 g Hydroxypropylcelliloxes, after dropwising after 50 DEG C of isothermal reaction 36 h, be warming up to again 90 DEG C and isothermal reaction 48 h, after removing solvent under reduced pressure, wash with water, vacuum-drying 48 h at 40 DEG C, obtain water-soluble modified carbon nanotube 1950 g of surface chemistry grafting Hydroxypropylcelliloxe; In this modified carbon nano-tube, the mass percent of hydroxypropylcellulose is 16%.
embodiment 1
1. containing the polyacrylate dispersion of modified carbon nano-tube, its preparation method comprises the steps:
1) by OP-10 and Sodium dodecylbenzene sulfonate in mass ratio 1:2 be hybridly prepared into compound emulsifying agent;
2) at 20 DEG C, methyl methacrylate 2.5 kg, Hydroxyethyl acrylate 2 kg, hydroxyethyl methylacrylate 1.5 kg, vinylformic acid methoxyl group ethyl ester 1.5 kg, vinylformic acid 0.8 kg are mixed as monomer, join in 14 kg water together with 0.03 kg lauryl mercaptan again, be hybridly prepared into monomer solution;
3) taking Potassium Persulphate as initiator, 66.4 g Potassium Persulphates are joined in 2 kg water, stirring at room temperature, to dissolving completely, obtains initiator solution;
4) at 20 DEG C, 0.5 kg modified carbon nano-tube and 249 g compound emulsifying agents are joined in 2/3 monomer solution, stir the initiator solution that adds half after 5 h, in 1h, be warming up to while stirring 70 DEG C, and at 70 DEG C, continue to stir 1.5 h; Then at 80 DEG C, slowly drip while stirring remaining monomer solution and initiator solution, drip process used times 2.5 h; Wait to dropwise, at 80 DEG C, continue to stir 2.5 h; Then be warming up to 90 DEG C and stir after 2.5 h, then be cooled to 25 DEG C, with ammoniacal liquor by the pH regulator to 8 of emulsion; Continue to stir after 1 h at 25 DEG C, obtain the described polyacrylate dispersion containing modified carbon nano-tube;
In described polyacrylate dispersion, the mass percent of modified carbon nano-tube is 1%.
2. the preparation method of the toughness reinforcing emulsion of polyacrylic ester comprises the following steps:
1) at 20 DEG C, with vinylformic acid 0.4 kg, ethyl propenoate 0.7 kg, butyl acrylate 2.6 kg, senecioate-hydroxypropyl acrylate 1.5 kg, N-(1,1-dimethyl-3-oxo butyl) acrylamide 1.7 kg, vinylbenzene 1.5 kg are as monomer, join in 14kg water, be stirred to completely and dissolve, obtain monomer solution;
2) taking benzoyl peroxide as initiator, 84 g benzoyl peroxides are joined in 2 kg water, the initiator solution of homogeneous is dissolved, formed to stirring at room temperature completely to it;
3) at 20 DEG C, 168 g tensio-active agent L61 are joined in 1/3 monomer solution, stir the initiator solution that adds 70% after 1 h, in 1h, be warming up to while stirring 80 DEG C; Then at 80 DEG C, slowly drip while stirring 20% initiator solution and remaining monomer solution, drip process used times 3.5 h; After dropwising, at 80 DEG C, continue to stir 2.5 h; Add again remaining initiator solution, be warming up to 88 DEG C and continue to stir after 1.5 h, be cooled to 25 DEG C, with ammoniacal liquor by the pH regulator to 8 of emulsion; Finally add 1.6 kg adipic dihydrazides, at 25 DEG C, stir 2 h, obtain the toughness reinforcing emulsion of polyacrylic ester.
3. the concrete preparation method of the compound high tenacity of inorganic materials/polymkeric substance, specifically comprises the following steps:
1) water reducer is added to the water, after stirring 40 min, must stirs material A;
2) fine aggregate and rubble are packed in concrete mixer and stirred after 15 min, in 5 min, slowly pour the polyacrylate dispersion containing modified carbon nano-tube into stirrer, be finished down rear continuation and stir 10 min, must stir and expect B;
3) cement, slag powders and flyash are poured into and stirred in material B, after stirring 15 min, toughness reinforcing polyacrylic ester emulsion is poured in 10 min, and continue to stir 5 min, must stir material C;
4) under whipped state, stirring material A is poured into and stirred in material C in 4 min, be finished down rear continuation and stir 13 min, obtain high tenacity concrete-agitating material D;
5) the stirring material D of step 4) is poured out, pours into a mould, is vibrated after moulding under the condition of 18 DEG C of relative humidity 85%, temperature, maintenance 28 days.
Wherein the proportioning of each component is as follows:
Water 145 kg/m
3;
Containing polyacrylate dispersion 13 kg/m of modified carbon nano-tube
3;
Toughness reinforcing emulsion 25 kg/m of polyacrylic ester
3;
Cement 400 kg/m
3;
Rubble 980 kg/m
3;
Fine aggregate 650 kg/m
3;
Slag powders 25 kg/m
3;
Flyash 55 kg/m
3;
Water reducer 4.8 kg/m
3.
The prepared concrete basic mechanical performance of the present embodiment is tested, and testing method and result are as follows:
(1) bending strength
Sample dimensions: 400mm × 100mm × 15mm
Testing method: four-point bending, three branches load, and test span is 300mm
Bending strength: 24 MPa
(2) ultimate compression strength
Sample dimensions: 40mm × 40mm × 160mm
Testing method: prism uniaxial compression
Ultimate compression strength: 85 MPa
(3) tensile strength
Sample dimensions: 350mm × 50mm × 15mm
Testing method: uniaxial extension
Tensile strength: 12 MPa
Test result shows, the high tenacity concrete that the present embodiment provides, and its bending strength can reach 24 MPa, tensile strength can reach 12 MPa, ultimate compression strength can reach 85 MPa, can be applied to the large span bridge floor across Jiang great Qiao and high ferro viaduct over strait, and the fields such as all types of tunnels arch wall such as subway.
embodiment 2
1. containing the polyacrylate dispersion of modified carbon nano-tube, its preparation method comprises the steps:
1) by OP-10 and Sodium dodecylbenzene sulfonate in mass ratio 1:2 be hybridly prepared into compound emulsifying agent;
2) at 22 DEG C, methyl methacrylate 2 kg, Hydroxyethyl acrylate 1.5 kg, hydroxyethyl methylacrylate 1 kg, vinylformic acid methoxyl group ethyl ester 1 kg, vinylformic acid 0.5 kg are mixed as monomer, join in 13 kg water together with 0.02 kg lauryl mercaptan again, be hybridly prepared into monomer solution;
3) taking Potassium Persulphate as initiator, 48 g Potassium Persulphates are joined in 2 kg water, stirring at room temperature, to dissolving completely, obtains initiator solution;
4) at 22 DEG C, 0.3 kg modified carbon nano-tube and 180 g compound emulsifying agents are joined in 2/3 monomer solution, stir the initiator solution that adds half after 5 h, in 1h, be warming up to while stirring 72 DEG C, and at 72 DEG C, continue to stir 1 h; Then at 82 DEG C, slowly drip while stirring remaining monomer solution and initiator solution, drip process used times 2 h; Wait to dropwise, at 82 DEG C, continue to stir 2 h; Then be warming up to 92 DEG C and stir after 2 h, then be cooled to 30 DEG C, with ammoniacal liquor by the pH regulator to 8 of emulsion; Continue to stir after 1 h at 30 DEG C, obtain the described polyacrylate dispersion containing modified carbon nano-tube;
In described polyacrylate dispersion, the mass percent of modified carbon nano-tube is 2.1%.
2. the preparation method of the toughness reinforcing emulsion of polyacrylic ester comprises the following steps:
1) at 22 DEG C, with vinylformic acid 0.2 kg, ethyl propenoate 0.5 kg, butyl acrylate 1.5 kg, senecioate-hydroxypropyl acrylate 1 kg, N-(1,1-dimethyl-3-oxo butyl) acrylamide 1.5 kg, vinylbenzene 1 kg be as monomer, join in 12 kg water, be stirred to completely and dissolve, obtain monomer solution;
2) taking benzoyl peroxide as initiator, 57 g benzoyl peroxides are joined in 2 kg water, the initiator solution of homogeneous is dissolved, formed to stirring at room temperature completely to it;
3) at 22 DEG C, 104 g tensio-active agent P103 are joined in 1/3 monomer solution, after stirring 1.5 h, add 70% initiator solution, in 1h, be warming up to while stirring 80 DEG C; Then at 80 DEG C, slowly drip while stirring 20% initiator solution and remaining monomer solution, drip process used times 3 h; After dropwising, at 80 DEG C, continue to stir 2 h; Add again remaining initiator solution, be warming up to 90 DEG C and continue to stir after 1 h, be cooled to 28 DEG C, with ammoniacal liquor by the pH regulator to 8 of emulsion; Finally add 1.5 kg adipic dihydrazides, at 28 DEG C, stir 2 h, obtain the toughness reinforcing emulsion of polyacrylic ester.
3. the concrete preparation method of the compound high tenacity of inorganic materials/polymkeric substance, specifically comprises the following steps:
1) water reducer is added to the water, after stirring 40 min, must stirs material A;
2) fine aggregate and rubble are packed in concrete mixer and stirred after 15 min, in 5 min, slowly pour the polyacrylate dispersion containing modified carbon nano-tube into stirrer, be finished down rear continuation and stir 10 min, must stir and expect B;
3) cement, slag powders and flyash are poured into and stirred in material B, after stirring 15 min, toughness reinforcing polyacrylic ester emulsion is poured in 10 min, and continue to stir 5 min, must stir material C;
4) under whipped state, stirring material A is poured into and stirred in material C in 3min, be finished down rear continuation and stir 10 min, obtain high tenacity concrete-agitating material D;
5) the stirring material D of step 4) is poured out, pours into a mould, is vibrated after moulding under the condition of 20 DEG C of relative humidity 90%, temperature, maintenance 28 days.
Wherein the proportioning of each component is as follows:
Water 130 kg/m
3;
Containing polyacrylate dispersion 10 kg/m of modified carbon nano-tube
3;
Toughness reinforcing emulsion 20 kg/m of polyacrylic ester
3;
Cement 385 kg/m
3;
Rubble 950 kg/m
3;
Fine aggregate 550 kg/m
3;
Slag powders 20 kg/m
3;
Flyash 40 kg/m
3;
Water reducer 3.5 kg/m
3.
Test by the method that embodiment 1 is identical, result shows, the compound high tenacity concrete that the present embodiment provides, its bending strength is 19 MPa, tensile strength is 8 MPa, ultimate compression strength is 78 MPa, can be applied to the large span bridge floor across Jiang great Qiao and high ferro viaduct over strait, and the fields such as all types of tunnels arch wall such as subway.
embodiment 3
1. containing the polyacrylate dispersion of modified carbon nano-tube, its preparation method comprises the steps:
1) by OP-10 and Sodium dodecylbenzene sulfonate in mass ratio 1:2 be hybridly prepared into compound emulsifying agent;
2) at 25 DEG C, methyl methacrylate 3 kg, Hydroxyethyl acrylate 2.5 kg, hydroxyethyl methylacrylate 2 kg, vinylformic acid methoxyl group ethyl ester 2 kg, vinylformic acid 1 kg are mixed as monomer, join in 16 kg water together with 0.05 kg lauryl mercaptan again, be hybridly prepared into monomer solution;
3) taking Potassium Persulphate as initiator, 84 g Potassium Persulphates are joined in 2 kg water, stirring at room temperature, to dissolving completely, obtains initiator solution;
4) at 25 DEG C, 0.8 kg modified carbon nano-tube and 315 g compound emulsifying agents are joined in 2/3 monomer solution, stir the initiator solution that adds half after 5 h, in 1h, be warming up to while stirring 70 DEG C, and at 70 DEG C, continue to stir 1 h; Then at 80 DEG C, slowly drip while stirring remaining monomer solution and initiator solution, drip process used times 3 h; Wait to dropwise, at 80 DEG C, continue to stir 3 h; Then be warming up to 90 DEG C and stir after 3 h, then be cooled to 28 DEG C, with ammoniacal liquor by the pH regulator to 8 of emulsion; Continue to stir after 1 h at 28 DEG C, obtain the described polyacrylate dispersion containing modified carbon nano-tube;
In described polyacrylate dispersion, the mass percent of modified carbon nano-tube is 3.5%.
2. the preparation method of the toughness reinforcing emulsion of polyacrylic ester comprises the following steps:
1) at 22 DEG C, with vinylformic acid 0.5 kg, ethyl propenoate 1 kg, butyl acrylate 3 kg, senecioate-hydroxypropyl acrylate 2 kg, N-(1,1-dimethyl-3-oxo butyl) acrylamide 2 kg, vinylbenzene 2 kg are as monomer, join in 15 kg water, be stirred to completely and dissolve, obtain monomer solution;
2) taking benzoyl peroxide as initiator, 105 g benzoyl peroxides are joined in 2 kg water, the initiator solution of homogeneous is dissolved, formed to stirring at room temperature completely to it;
3) at 22 DEG C, 210 g tensio-active agent L61 are joined in 1/3 monomer solution, after stirring 2 h, add 70% initiator solution, in 1h, be warming up to while stirring 80 DEG C; Then at 81 DEG C, slowly drip while stirring 20% initiator solution and remaining monomer solution, drip process used times 4 h; After dropwising, at 81 DEG C, continue to stir 3 h; Add again remaining initiator solution, be warming up to 88 DEG C and continue to stir after 2 h, be cooled to 26 DEG C, with ammoniacal liquor by the pH regulator to 8 of emulsion; Finally add 2 kg (15-20) adipic dihydrazide, at 26 DEG C, stir 2 h, obtain the toughness reinforcing emulsion of polyacrylic ester.
3. the concrete preparation method of the compound high tenacity of inorganic materials/polymkeric substance, specifically comprises the following steps:
1) water reducer is added to the water, after stirring 40 min, must stirs material A;
2) fine aggregate and rubble are packed in concrete mixer and stirred after 15 min, in 5 min, slowly pour the polyacrylate dispersion containing modified carbon nano-tube into stirrer, be finished down rear continuation and stir 10 min, must stir and expect B;
3) cement, slag powders and flyash are poured into and stirred in material B, after stirring 15 min, toughness reinforcing polyacrylic ester emulsion is poured in 10 min, and continue to stir 5 min, must stir material C;
4) under whipped state, stirring material A is poured into and stirred in material C in 6 min, be finished down rear continuation and stir 15min, obtain high tenacity concrete-agitating material D;
5) the stirring material D of step 4) is poured out, pours into a mould, is vibrated after moulding under the condition of 22 DEG C of relative humidity 95%, temperature, maintenance 28 days.
Wherein the proportioning of each component is as follows:
Water 160 kg/m
3;
Containing polyacrylate dispersion 15 kg/m of modified carbon nano-tube
3;
Toughness reinforcing emulsion 30 kg/m of polyacrylic ester
3;
Cement 410 kg/m
3;
Rubble 1050 kg/m
3;
Fine aggregate 750 kg/m
3;
Slag powders 30 kg/m
3;
Flyash 65 kg/m
3;
Water reducer 6 kg/m
3.
Test by the method that embodiment 1 is identical, result shows, the compound high tenacity concrete that the present embodiment provides, its bending strength is 29 MPa, tensile strength is 16 MPa, ultimate compression strength is 95 MPa, can be applicable to high ferro viaduct, large span over strait and across the bridge floor of Jiang great Qiao, and the fields such as all types of tunnels arch wall such as subway.
embodiment 4
1. containing the polyacrylate dispersion of modified carbon nano-tube, its preparation method comprises the steps:
1) by OP-10 and Sodium dodecylbenzene sulfonate in mass ratio 1:2 be hybridly prepared into compound emulsifying agent;
2) at 23 DEG C, methyl methacrylate 2.3 kg, Hydroxyethyl acrylate 1.8 kg, hydroxyethyl methylacrylate 1.3 kg, vinylformic acid methoxyl group ethyl ester 1.3 kg, vinylformic acid 0.6 kg are mixed as monomer, join in 15 kg water together with 0.03 kg lauryl mercaptan again, be hybridly prepared into monomer solution;
3) taking Potassium Persulphate as initiator, 58.4 g Potassium Persulphates are joined in 2 kg water, stirring at room temperature, to dissolving completely, obtains initiator solution;
4) at 23 DEG C, 0.4 kg modified carbon nano-tube and 219 g compound emulsifying agents are joined in 2/3 monomer solution, stir the initiator solution that adds half after 5 h, in 1h, be warming up to while stirring 70 DEG C, and at 70 DEG C, continue to stir 2 h; Then at 82 DEG C, slowly drip while stirring remaining monomer solution and initiator solution, drip process used times 2 h; Wait to dropwise, at 82 DEG C, continue to stir 3 h; Then be warming up to 92 DEG C and stir after 2 h, then be cooled to 30 DEG C, with ammoniacal liquor by the pH regulator to 8 of emulsion; Continue to stir after 1 h at 30 DEG C, obtain the described polyacrylate dispersion containing modified carbon nano-tube;
In described polyacrylate dispersion, the mass percent of modified carbon nano-tube is 2.7%.
2. the preparation method of the toughness reinforcing emulsion of polyacrylic ester comprises the following steps:
1) at 23 DEG C, with vinylformic acid 0.3 kg, ethyl propenoate 0.6 kg, butyl acrylate 1.9 kg, senecioate-hydroxypropyl acrylate 1.3 kg, N-(1,1-dimethyl-3-oxo butyl) acrylamide 1.6 kg, vinylbenzene 1.3 kg are as monomer, join in 13kg water, be stirred to completely and dissolve, obtain monomer solution;
2) taking benzoyl peroxide as initiator, 70 g benzoyl peroxides are joined in 2 kg water, the initiator solution of homogeneous is dissolved, formed to stirring at room temperature completely to it;
3) at 23 DEG C, 140 g tensio-active agent P103 are joined in 1/3 monomer solution, after stirring 1 h, add 70% initiator solution, in 1h, be warming up to while stirring 80 DEG C; Then at 80 DEG C, slowly drip while stirring 20% initiator solution and remaining monomer solution, drip process used times 3 h; After dropwising, at 80 DEG C, continue to stir 2 h; Add again remaining initiator solution, be warming up to 88 DEG C and continue to stir after 1 h, be cooled to 25 DEG C, with ammoniacal liquor by the pH regulator to 8 of emulsion; Finally add 1.8 kg adipic dihydrazides, at 25 DEG C, stir 2 h, obtain the toughness reinforcing emulsion of polyacrylic ester.
3. the concrete preparation method of the compound high tenacity of inorganic materials/polymkeric substance, specifically comprises the following steps:
1) water reducer is added to the water, after stirring 40 min, must stirs material A;
2) fine aggregate and rubble are packed in concrete mixer and stirred after 15 min, in 5 min, slowly pour the polyacrylate dispersion containing modified carbon nano-tube into stirrer, be finished down rear continuation and stir 10 min, must stir and expect B;
3) cement, slag powders and flyash are poured into and stirred in material B, after stirring 15 min, toughness reinforcing polyacrylic ester emulsion is poured in 10 min, and continue to stir 5 min, must stir material C;
4) under whipped state, stirring material A is poured into and stirred in material C in 3 min, be finished down rear continuation and stir 11 min, obtain high tenacity concrete-agitating material D;
5) the stirring material D of step 4) is poured out, pours into a mould, is vibrated after moulding under the condition of 21 DEG C of relative humidity 92%, temperature, maintenance 28 days.
Wherein the proportioning of each component is as follows:
Water 140 kg/m
3;
Containing polyacrylate dispersion 11 kg/m of modified carbon nano-tube
3;
Toughness reinforcing emulsion 22 kg/m of polyacrylic ester
3;
Cement 395 kg/m
3;
Rubble 970 kg/m
3;
Fine aggregate 600 kg/m
3;
Slag powders 23 kg/m
3;
Flyash 50 kg/m
3;
Water reducer 4 kg/m
3.
Test by the method that embodiment 1 is identical, result shows, the compound high tenacity concrete that the present embodiment provides, its bending strength is 22MPa, tensile strength is 10 MPa, ultimate compression strength is 81 MPa, can be applied to the large span bridge floor across Jiang great Qiao and high ferro viaduct over strait, and the fields such as all types of tunnels arch wall such as subway.
embodiment 5
1. containing the polyacrylate dispersion of modified carbon nano-tube, its preparation method comprises the steps:
1) by OP-10 and Sodium dodecylbenzene sulfonate in mass ratio 1:2 be hybridly prepared into compound emulsifying agent;
2) at 20 DEG C, methyl methacrylate 2.8 kg, Hydroxyethyl acrylate 2.3 kg, hydroxyethyl methylacrylate 1.8 kg, vinylformic acid methoxyl group ethyl ester 1.8 kg, vinylformic acid 0.9 kg are mixed as monomer, join in 16 kg water together with 0.04 kg lauryl mercaptan again, be hybridly prepared into monomer solution;
3) taking Potassium Persulphate as initiator, 76.8 g Potassium Persulphates are joined in 2 kg water, stirring at room temperature, to dissolving completely, obtains initiator solution;
4) at 20 DEG C, 0.8 kg modified carbon nano-tube and 288 g compound emulsifying agents are joined in 2/3 monomer solution, stir the initiator solution that adds half after 5 h, in 1h, be warming up to while stirring 70 DEG C, and at 70 DEG C, continue to stir 1 h; Then at 80 DEG C, slowly drip while stirring remaining monomer solution and initiator solution, drip process used times 2 h; Wait to dropwise, at 80 DEG C, continue to stir 3 h; Then be warming up to 90 DEG C and stir after 3 h, then be cooled to 26 DEG C, with ammoniacal liquor by the pH regulator to 8 of emulsion; Continue to stir after 1 h at 26 DEG C, obtain the described polyacrylate dispersion containing modified carbon nano-tube;
In described polyacrylate dispersion, the mass percent of modified carbon nano-tube is 1.8%.
2. the preparation method of the toughness reinforcing emulsion of polyacrylic ester comprises the following steps:
1) at 20 DEG C, with vinylformic acid 0.5 kg, ethyl propenoate 0.9 kg, butyl acrylate 2.8 kg, senecioate-hydroxypropyl acrylate 1.8 kg, N-(1,1-dimethyl-3-oxo butyl) acrylamide 1.9 kg, vinylbenzene 1.8 kg are as monomer, join in 15kg water, be stirred to completely and dissolve, obtain monomer solution;
2) taking benzoyl peroxide as initiator, 97 g benzoyl peroxides are joined in 2 kg water, the initiator solution of homogeneous is dissolved, formed to stirring at room temperature completely to it;
3) at 20 DEG C, 168 g tensio-active agent L61 are joined in 1/3 monomer solution, after stirring 1 h, add 70% initiator solution, in 1h, be warming up to while stirring 80 DEG C; Then at 80 DEG C, slowly drip while stirring 20% initiator solution and remaining monomer solution, drip process used times 4 h; After dropwising, at 80 DEG C, continue to stir 3 h; Add again remaining initiator solution, be warming up to 89 DEG C and continue to stir after 2 h, be cooled to 27 DEG C, with ammoniacal liquor by the pH regulator to 8 of emulsion; Finally add 1.9 kg adipic dihydrazides, at 27 DEG C, stir 2 h, obtain the toughness reinforcing emulsion of polyacrylic ester.
3. the concrete preparation method of the compound high tenacity of inorganic materials/polymkeric substance, specifically comprises the following steps:
1) water reducer is added to the water, after stirring 40 min, must stirs material A;
2) fine aggregate and rubble are packed in concrete mixer and stirred after 15 min, in 5 min, slowly pour the polyacrylate dispersion containing modified carbon nano-tube into stirrer, be finished down rear continuation and stir 10 min, must stir and expect B;
3) cement, slag powders and flyash are poured into and stirred in material B, after stirring 15 min, toughness reinforcing polyacrylic ester emulsion is poured in 10 min, and continue to stir 5 min, must stir material C;
4) under whipped state, stirring material A is poured into and stirred in material C in 5 min, be finished down rear continuation and stir 14 min, obtain high tenacity concrete-agitating material D;
5) the stirring material D of step 4) is poured out, pours into a mould, is vibrated after moulding under the condition of 22 DEG C of relative humidity 89%, temperature, maintenance 28 days.
Wherein the proportioning of each component is as follows:
Water 150 kg/m
3;
Containing polyacrylate dispersion 14 kg/m of modified carbon nano-tube
3;
Toughness reinforcing emulsion 28 kg/m of polyacrylic ester
3;
Cement 405 kg/m
3;
Rubble 1000 kg/m
3;
Fine aggregate 700 kg/m
3;
Slag powders 28 kg/m
3;
Flyash 60 kg/m
3;
Water reducer 5.5 kg/m
3.
Test by the method that embodiment 1 is identical, result shows, the compound high tenacity concrete that the present embodiment provides, its bending strength is 26 MPa, tensile strength is 15 MPa, ultimate compression strength is 89 MPa, can be applicable to high ferro viaduct, large span over strait and across the bridge floor of Jiang great Qiao, and the fields such as all types of tunnels arch wall such as subway.
The foregoing is only preferred embodiment of the present invention, all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (7)
1. the compound high tenacity concrete of inorganic materials/polymkeric substance, is characterized in that: described compound high tenacity concrete is by water, form containing the toughness reinforcing emulsion of polyacrylate dispersion, polyacrylic ester, cement, rubble, fine aggregate, slag powders, flyash and the water reducer of modified carbon nano-tube; The proportioning of each component is as follows:
Water 130-160 kg/m
3;
Containing the polyacrylate dispersion 10-15 kg/m of modified carbon nano-tube
3;
The toughness reinforcing emulsion 20-30 kg/m of polyacrylic ester
3;
Cement 385-410 kg/m
3;
Rubble 950-1050 kg/m
3;
Fine aggregate 550-750 kg/m
3;
Slag powders 20-30 kg/m
3;
Flyash 40-65 kg/m
3;
Water reducer 3.5-6 kg/m
3;
Described containing in the polyacrylate dispersion of modified carbon nano-tube, the mass percent of modified carbon nano-tube is 1-3.5%.
2. the compound high tenacity concrete of inorganic materials/polymkeric substance according to claim 1, it is characterized in that: described modified carbon nano-tube be by carbon nanotube after nitration mixture oxide treatment, react with thionyl chloride, make the carboxyl of carbon nano tube surface be converted into acid chloride groups, again respectively with quadrol and trimeric cyanamide generation nucleophilic substitution reaction, obtain the carbon nanotube of surperficial chloride triazine ring; Then by itself and Hydroxypropylcelliloxe generation substitution reaction, obtain the water-soluble modified carbon nanotube of surface chemistry grafting Hydroxypropylcelliloxe;
In described modified carbon nano-tube, the mass percent of hydroxypropylcellulose is 16%;
Described nitration mixture is that 3:2 is formulated by volume by the vitriol oil and concentrated nitric acid.
3. the compound high tenacity concrete of inorganic materials/polymkeric substance according to claim 1, it is characterized in that: the described polyacrylate dispersion containing modified carbon nano-tube is that modified carbon nano-tube and compound emulsifying agent are joined in 2/3 monomer solution, after stirring 5 h, add half initiator solution, in 1h, be warming up to while stirring 70 DEG C, and at 70-72 DEG C, continue to stir 1-2 h; Then at 80-82 DEG C, slowly drip while stirring remaining monomer solution and initiator solution, drip process used time 2-3 h; Wait to dropwise, at 80-82 DEG C, continue to stir 2-3 h, be then warming up to 90-92 DEG C and stir after 2-3 h, then be cooled to 25-30 DEG C, with ammoniacal liquor by the pH regulator to 8 of emulsion; Continue to stir after 1 h at 25-30 DEG C, obtain the described polyacrylate dispersion containing modified carbon nano-tube;
Described compound emulsifying agent be by OP-10 and Sodium dodecylbenzene sulfonate in mass ratio 1:2 mix;
Described monomer solution is that monomer and lauryl mercaptan are added to the water and are hybridly prepared into;
Described monomer is methyl methacrylate, Hydroxyethyl acrylate, hydroxyethyl methylacrylate, vinylformic acid methoxyl group ethyl ester and acrylic acid mixture;
Described initiator is Potassium Persulphate;
The aqueous solution that described ammoniacal liquor is is 25-28% containing ammonia massfraction.
4. the compound high tenacity concrete of inorganic materials/polymkeric substance according to claim 1, it is characterized in that: the toughness reinforcing emulsion of described polyacrylic ester is that emulsifying agent is joined in 1/3 monomer solution, after stirring 1-2 h, add 70% initiator solution, in 1h, be warming up to while stirring 80 DEG C; Then at 80-82 DEG C, slowly drip while stirring 20% initiator solution and remaining monomer solution, drip process used time 3-4 h; After dropwising, at 80-82 DEG C, continue to stir 2-3 h; Add again remaining initiator solution, be warming up to 88-90 DEG C and continue to stir after 1-2 h, be cooled to 25-28 DEG C, with ammoniacal liquor by the pH regulator to 8 of emulsion; Finally add adipic dihydrazide, at 25-28 DEG C, stir 2 h, obtain the toughness reinforcing emulsion of polyacrylic ester;
It is the tensio-active agent of L61 or P103 that described emulsifying agent adopts BASF AG's trade mark;
Described initiator is benzoyl peroxide;
Described monomer is vinylformic acid, ethyl propenoate, butyl acrylate, senecioate-hydroxypropyl acrylate, N-(1,1-dimethyl-3-oxo butyl) acrylamide and cinnamic mixture;
The aqueous solution that described ammoniacal liquor is is 25-28% containing ammonia massfraction.
5. the compound high tenacity concrete of inorganic materials/polymkeric substance according to claim 1, is characterized in that: described cement is 42.5 grades of ordinary Portland cements;
It is 1600-1800 kg/m that described rubble adopts bulk density
3, crush values 6-9%, water-intake rate 0.4-0.6% basaltic broken stone; This basaltic broken stone is made up of three kinds of graded particies of 5-10 mm, 10-20 mm and 20-25 mm, and its percentage composition is respectively 40%, 50%, 10%;
Described fine aggregate is natural river sand, and its bulk density is 1500-1700kg/m
3, fineness modulus is 2.5-3.0, silt content is less than 1.8%;
Described slag powders is S105 slag powders, and its specific surface area is greater than 350 cm
2/ g, density is not less than 2.8 g/cm
3;
Described flyash is I level flyash, and its specific surface area is greater than 400 cm
2/ g, density is 2.6-2.8 g/cm
3;
Described water reducer is polycarboxylic acids high efficiency plasticising water reducer, and water-reducing rate is 20-30%.
6. the concrete preparation method of the compound high tenacity of inorganic materials/polymkeric substance as claimed in claim 1, is characterized in that: specifically comprise the following steps:
1) water reducer is added to the water, after stirring 40 min, must stirs material A;
2) fine aggregate and rubble are packed in concrete mixer and stirred after 15 min, in 5 min, slowly pour the polyacrylate dispersion containing modified carbon nano-tube into stirrer, continue to stir 10 min and must stir material B;
3) cement, slag powders and flyash are poured into and stirred in material B, after stirring 15 min, toughness reinforcing polyacrylic ester emulsion is poured in 10 min, and continue to stir 5 min, must stir material C;
4) stirring material A is poured into and stirred in material C in 3-6 min, be finished down rear continuation and stir 10-15 min, obtain high tenacity concrete-agitating material D;
5) the stirring material D of step 4) is poured out, pours into a mould, is vibrated the laggard rower of moulding support.
7. the concrete preparation method of the compound high tenacity of modified bamboo fiber/polymer thing according to claim 6, is characterized in that: the foster condition of described mark is: under the condition that relative humidity 90 ± 5%, temperature are 20 ± 2 DEG C, and maintenance 28 days.
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