CN103482904B - A kind of modified epoxy mortar resistant abrasion patching material - Google Patents
A kind of modified epoxy mortar resistant abrasion patching material Download PDFInfo
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- 239000004593 Epoxy Substances 0.000 title claims abstract description 40
- 239000000463 material Substances 0.000 title claims abstract description 39
- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 39
- 238000005299 abrasion Methods 0.000 title claims abstract description 35
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 42
- 239000003822 epoxy resin Substances 0.000 claims abstract description 33
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 33
- 239000000203 mixture Substances 0.000 claims abstract description 26
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000006004 Quartz sand Substances 0.000 claims abstract description 19
- 239000002245 particle Substances 0.000 claims abstract description 15
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 14
- 239000007822 coupling agent Substances 0.000 claims abstract description 12
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 7
- 229920000570 polyether Polymers 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 15
- 229930185605 Bisphenol Natural products 0.000 claims description 10
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 10
- 229920001971 elastomer Polymers 0.000 claims description 7
- 239000005060 rubber Substances 0.000 claims description 6
- 229920000459 Nitrile rubber Polymers 0.000 claims description 5
- 229920001021 polysulfide Polymers 0.000 claims description 5
- 239000005077 polysulfide Substances 0.000 claims description 5
- 150000008117 polysulfides Polymers 0.000 claims description 5
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 5
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical group CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims description 4
- YSUQLAYJZDEMOT-UHFFFAOYSA-N 2-(butoxymethyl)oxirane Chemical compound CCCCOCC1CO1 YSUQLAYJZDEMOT-UHFFFAOYSA-N 0.000 claims description 4
- QNYBOILAKBSWFG-UHFFFAOYSA-N 2-(phenylmethoxymethyl)oxirane Chemical compound C1OC1COCC1=CC=CC=C1 QNYBOILAKBSWFG-UHFFFAOYSA-N 0.000 claims description 4
- LSWYGACWGAICNM-UHFFFAOYSA-N 2-(prop-2-enoxymethyl)oxirane Chemical compound C=CCOCC1CO1 LSWYGACWGAICNM-UHFFFAOYSA-N 0.000 claims description 4
- 230000035939 shock Effects 0.000 abstract description 9
- 230000036632 reaction speed Effects 0.000 abstract description 5
- 239000004567 concrete Substances 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 6
- 239000004576 sand Substances 0.000 description 6
- 238000004080 punching Methods 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
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- 238000005452 bending Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 description 2
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical group NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000011863 silicon-based powder Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229960001124 trientine Drugs 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 239000004902 Softening Agent Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 238000004132 cross linking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000011210 fiber-reinforced concrete Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- -1 thinner Substances 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Compositions Of Macromolecular Compounds (AREA)
- Epoxy Resins (AREA)
Abstract
A kind of modified epoxy mortar resistant abrasion patching material, this patching material comprises component A, B component, and the mass ratio of component A and B component is 4: 1, the composition of component A and weight ratio thereof are: epoxy resin 15 ~ 20, toughner 1.5 ~ 2, reactive thinner 1.5 ~ 3, abrasive aggregates 75 ~ 82, the composition of B component and weight ratio thereof are: solidifying agent 18 ~ 24, coupling agent 1 ~ 1.5, abrasive aggregates 75 ~ 80, abrasive aggregates is quartz sand graduation aggregate or silicon carbide graded aggregate, the particle diameter composition of this aggregate and mass ratio thereof are 10 ~ 20 orders: 20 ~ 40 orders: 40 ~ 70 orders: 100 ~ 200 order=0 ~ 1: 1 ~ 2: 0 ~ 2: 0 ~ 1, solidifying agent is polyether monoamine solidifying agent.The present invention not only increases anti-abrasion strength and resistance to impact shock, and reduces curing reaction speed, avoids the appearance of the early stage tiny crack of epoxy mortar.
Description
Technical field
The present invention relates to a kind of concrete anti-abrasion patching material, be specifically related to a kind of modified epoxy mortar resistant abrasion patching material, be applicable to the resistant abrasion and the resistance to impact shock that improve epoxy mortar.
Background technology
In recent years, along with development of the West Regions and the enforcement of transferring electricity from the west to the east development strategy, China has built a collection of large-scale high-head power station, its earial drainage flow velocity all reaches 40-50m/s, earial drainage head is more than 150m, and it is construction of hydropower plant and operating knotty problem that high-velocity sediment-laden flow galls bad to the concrete punching of hydraulic structure flow-passing surface.High-velocity & sediment-laden flow can cause Surface layer's concrete big area to be degraded to the erosive wear of hydraulic concrete buildings flow-passing surface, cavitation corrosion effect, and serious then initiation catastrophic failure occurs, therefore always attention.To the splitting resistance of resistant abrasion material, resistant abrasion ability and fast easy act etc. all have higher requirement.
To the abrasion of ultrahigh-water head current and destruction and maintenance, the research of Chinese scholars has history decades, involved resistant abrasion description of materials is a lot, as steel plate, glass cermaic plate, cast iron plate lining protect, different modes buries rail pointing silicon powder concrete, fiber reinforced concrete, resin slurry (resin used has epoxy and modified epoxy, furane resin and other macromolecular material), sprayed concrete, silicon powder concrete, flyash abrasion resistance concrete etc. again underground.From the sixties in 20th century, domestic once by epoxy resin, furane resin, acrylate resin, unsaturated polyester resin mortar etc., for hydraulic structure resist containing sand current rush gall bad, wherein better with epoxy mortar effect, more with obtaining, up to now also in use.From the experience of prolonged application, people recognize; high water head current to after the washing away of hydraulic structure, ablation destruction; patching material can not pursue high strength simply; and the toughness of material should be improved; improve the ability of its opposing temperature, humidity change; improve its cohesive force etc. to substrate concrete, become the punching of concrete surface anti-high velocity flow and gall bad protective layer.
Chinese patent: application publication number is CN101423358A, publication date is the preparation method that the patent of invention on May 6th, 2009 discloses a kind of high impact resistant epoxy resin mortar, in this preparation method, the raw material of component A comprises polyurethane modified epoxy resin, quartz sand, thinner, softening agent, and quartz sand is that the coarse sand of 0.5 ~ 3mm and particle diameter mix by a certain percentage at 80 ~ 400 object fine sands by particle diameter, the raw material of B component comprises room temperature amine curing agent, quartz sand, thinner, and room temperature amine curing agent is diethylenetriamine, triethylene tetramine or low molecular polyamides.Although the cured article that this invention obtains has good resistance to compression, shearing resistance and resistance to impact shock, still have following defect:
1, the coarse sand selected in this invention and the grain diameter of fine sand differ greatly, particularly coarse sand, its particle diameter reaches 0.5 ~ 3mm, and obtained epoxy mortar is not easy to apply smooth in construction process, the covered effect of bonding base-material to quartz sand is poor, thus affects the etch resistant properties of epoxy mortar;
2, this invention is using diethylenetriamine, triethylene tetramine or low molecular polyamides as solidifying agent, and the use of such solidifying agent can cause curing reaction wayward because of excessive velocities, thus makes troubles to construction.
Summary of the invention
The object of the invention is to overcome the excessive problem affecting etch resistant properties, curing reaction excessive velocities of the aggregate size existed in prior art, provide a kind of aggregate size moderate and effectively can reduce the modified epoxy mortar resistant abrasion patching material of curing reaction speed.
For realizing above object, the invention provides following technical scheme:
A kind of modified epoxy mortar resistant abrasion patching material, this patching material comprises component A, B component, and the mass ratio of described component A and B component is 4: 1;
The composition of described component A and weight ratio thereof are: epoxy resin 15 ~ 20, toughner 1.5 ~ 2, reactive thinner 1.5 ~ 3, abrasive aggregates 75 ~ 82;
The composition of described B component and weight ratio thereof are: solidifying agent 18 ~ 24, coupling agent 1 ~ 1.5, abrasive aggregates 75 ~ 80;
Described abrasive aggregates is quartz sand graduation aggregate or silicon carbide graded aggregate, and the particle diameter composition of described quartz sand graduation aggregate or silicon carbide graded aggregate and mass ratio thereof are 10 ~ 20 orders: 20 ~ 40 orders: 40 ~ 70 orders: 100 ~ 200 order=0 ~ 1: 1 ~ 2: 0 ~ 2: 0 ~ 1.
Described solidifying agent is polyether monoamine solidifying agent.
Described solidifying agent is polyetheramine solidifying agent T-403 or polyetheramine solidifying agent D-230.
Described epoxy resin is bisphenol A-type E44 epoxy resin or bisphenol A-type E51 epoxy resin.
Described toughner is liquid polysulfide rubber, liquid acrylonitrile butadiene rubber or liquid styrene butadiene rubber.
Described reactive thinner is one or more in benzyl glycidyl ether, butylglycidyl ether, glycidyl allyl ether.
Described coupling agent is APTES.
Compared with prior art, beneficial effect of the present invention is:
1, in a kind of modified epoxy mortar of the present invention resistant abrasion patching material, abrasive aggregates is quartz sand graduation aggregate or silicon carbide graded aggregate, and the particle diameter of quartz sand graduation aggregate or silicon carbide graded aggregate composition and weight ratio thereof are 10 ~ 20 orders: 20 ~ 40 orders: 40 ~ 70 orders: 100 ~ 200 order=0 ~ 1: 1 ~ 2: 0 ~ 2: 0 ~ 1, on the one hand, the present invention adopts Young's modulus high, hardness is large, wear-resisting quartz sand or silicon carbide also carry out good grating, significantly improve anti-abrasion strength and the resistance to impact shock of epoxy mortar, on the other hand, the moderate in grain size of aggregate used, bonding base-material is better to its covered effect, can effectively avoid causing because aggregate size is too large the etch resistant properties of epoxy mortar lower and affect the abrasion resistance of epoxy mortar because aggregate size is too little, simultaneously, present invention employs the aggregate of four kinds of different-grain diameters, can need to regulate the composition of these aggregates and ratio according to intensity, use range is wider.Therefore, the present invention not only increases anti-abrasion strength and resistance to impact shock, and avoids because aggregate size is too large and affect etch resistant properties, and use range is wider.
2, the solidifying agent selected in a kind of modified epoxy mortar of the present invention resistant abrasion patching material is polyether monoamine solidifying agent, after the solidification of such solidifying agent, system reaction heat is lower, curing reaction speed is slower, the presetting period of epoxy resin cure is longer, effectively can reduce exothermic heat of reaction peak and the original volume cure shrinkage of curing system, avoid the appearance of the early stage tiny crack of epoxy mortar.Therefore, the present invention can reduce curing reaction speed, avoid the appearance of the early stage tiny crack of epoxy mortar.
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated.
A kind of modified epoxy mortar resistant abrasion patching material, this patching material comprises component A, B component, and the mass ratio of described component A and B component is 4: 1;
The composition of described component A and weight ratio thereof are: epoxy resin 15 ~ 20, toughner 1.5 ~ 2, reactive thinner 1.5 ~ 3, abrasive aggregates 75 ~ 82;
The composition of described B component and weight ratio thereof are: solidifying agent 18 ~ 24, coupling agent 1 ~ 1.5, abrasive aggregates 75 ~ 80;
Described abrasive aggregates is quartz sand graduation aggregate or silicon carbide graded aggregate, and the particle diameter composition of described quartz sand graduation aggregate or silicon carbide graded aggregate and mass ratio thereof are 10 ~ 20 orders: 20 ~ 40 orders: 40 ~ 70 orders: 100 ~ 200 order=0 ~ 1: 1 ~ 2: 0 ~ 2: 0 ~ 1.
Described solidifying agent is polyether monoamine solidifying agent.
Described solidifying agent is polyetheramine solidifying agent T-403 or polyetheramine solidifying agent D-230.
Described epoxy resin is bisphenol A-type E44 epoxy resin or bisphenol A-type E51 epoxy resin.
Described toughner is liquid polysulfide rubber, liquid acrylonitrile butadiene rubber or liquid styrene butadiene rubber.
Described reactive thinner is one or more in benzyl glycidyl ether, butylglycidyl ether, glycidyl allyl ether.
Described coupling agent is APTES.
Principle of the present invention is described as follows:
The present invention with the polyether monoamine solidifying agent of low viscous modified epoxy, low reaction heat for bonding base-material, take rubber elastomer as toughened system, with the high-wearing feature aggregate of certain grating for filler aggregate, be aided with multiple auxiliary agent, obtain the modified epoxy mortar resistant abrasion patching material with high compressive strength, high bond strength, high-impact-resistance wear-resistant, snappiness and toughness, high impact resistance.
Epoxy resin: present invention employs low viscous snappiness modified epoxy (bisphenol A-type E44 epoxy resin or bisphenol A-type E51 epoxy resin), it can carry out rational reduction when preparing epoxy resin to the hard section in polymer molecular structure and soft section, thus make cured article not only have good adhesive property, chemical mediator-resitant property, also there is high tenacity and high-elongation.
Solidifying agent: the solidifying agent that the present invention selects is polyether monoamine solidifying agent, after the solidification of such solidifying agent, system reaction heat is lower, curing reaction speed is slower, the presetting period of epoxy resin cure is longer, effectively can reduce exothermic heat of reaction peak and the original volume cure shrinkage of curing system, avoid the appearance of the early stage tiny crack of epoxy mortar, and without the need to using curing catalyst.
Toughner: the present invention is by liquid polysulfide rubber, liquid acrylonitrile butadiene rubber or liquid styrene butadiene rubber join epoxy curing agent system as toughner, in the curing process, toughner can form spheroidal particle, disperse phase is formed in cross linking of epoxy resin network external phase, namely " island structure " is formed, when being subject at a high speed containing sand current scour, in impact, under the comprehensive action of friction and cutting force, on the one hand, the particle of toughner originally consumes energy in material cracks process, on the other hand, " island structure " has transferred epoxy molecule network generation orientation, stretch, distortion, Voiding and produce many power consumption processes such as tiny crack, avoid the destruction of material, thus the fracture toughness property of material is increased, improve the resistant abrasion performance of material.
Abrasive aggregates: the present invention selects Young's modulus high, hardness is large, wear-resisting quartz sand or silicon carbide also carry out good grating, significantly improve anti-abrasion strength and the resistance to impact shock of epoxy mortar, wherein, the particle diameter composition of quartz sand graduation aggregate or silicon carbide graded aggregate and weight ratio thereof are 10 ~ 20 orders: 20 ~ 40 orders: 40 ~ 70 orders: 100 ~ 200 order=0 ~ 1: 1 ~ 2: 0 ~ 2: 0 ~ 1, because the particle diameter of quartz sand graduation aggregate or silicon carbide graded aggregate is all between 10 ~ 200 orders, granularity is moderate, therefore etch resistant properties and the abrasion resistance of epoxy mortar can not be affected, simultaneously, the present invention has selected 10 ~ 20 orders, 20 ~ 40 orders, 40 ~ 70 orders, the aggregate of these four kinds of different-grain diameters of 100 ~ 200 orders, can regulate the composition of this aggregate and ratio according to the intensity needs of reality, use range is wider.
Embodiment 1:
A kind of modified epoxy mortar resistant abrasion patching material, this patching material comprises component A, B component, and the weight ratio of component A and B component is 4: 1, described component A composition and weight ratio be: epoxy resin 20, toughner 2, reactive thinner 3, abrasive aggregates 75, the composition of described B component and weight ratio thereof are: solidifying agent 24, coupling agent 1, abrasive aggregates 75, wherein, described solidifying agent is polyetheramine solidifying agent T-403, described abrasive aggregates is quartz sand graduation aggregate, the particle diameter composition of this aggregate and weight ratio thereof are 10 ~ 20 orders: 20 ~ 40 orders: 40 ~ 70 orders: 100 ~ 200 order=1: 2: 2: 1, described epoxy resin is bisphenol A-type E44 epoxy resin or bisphenol A-type E51 epoxy resin, described toughner is liquid polysulfide rubber, liquid acrylonitrile butadiene rubber or liquid styrene butadiene rubber, described reactive thinner is benzyl glycidyl ether, butylglycidyl ether, one or more in glycidyl allyl ether, described coupling agent is APTES,
The preparation method of above-mentioned modified epoxy mortar resistant abrasion patching material comprises the following steps successively:
The preparation of component A: after epoxy resin and toughner, reactive thinner are stirred in required ratio, add abrasive aggregates, stir, obtain component A;
The preparation of B component: after solidifying agent, coupling agent are stirred in required ratio, add abrasive aggregates, stir, obtain B component;
The preparation of modified epoxy mortar resistant abrasion patching material: component A, B component are mixed in required ratio, can obtain modified epoxy mortar resistant abrasion patching material.
Obtained modified epoxy mortar resistant abrasion patching material carries out Mechanics Performance Testing with reference to " epoxy resin mortar technical regulation " DL/T5193-2004, result shows, tensile strength>=10.0MPa, ultimate compression strength>=90.0MPa, bending strength>=30.0MPa, with concrete adhesive tensile resistance intensity>=2.5MPa, punching mill intensity 3.563h/(g/cm
2), resistance to impact shock 32.4MPa.
Embodiment 2:
Step is with embodiment 1, unlike, described component A composition and weight ratio be: epoxy resin 15, toughner 1.5, reactive thinner 1.5, abrasive aggregates 82, the composition of described B component and weight ratio thereof are: solidifying agent 24, coupling agent 1, abrasive aggregates 75, wherein, described abrasive aggregates is quartz sand graduation aggregate, and the particle diameter composition of this aggregate and weight ratio thereof are 10 ~ 20 orders: 20 ~ 40 orders: 40 ~ 70 order=1: 2: 1.
Obtained modified epoxy mortar resistant abrasion patching material carries out Mechanics Performance Testing with reference to " epoxy resin mortar technical regulation " DL/T5193-2004, result shows, tensile strength>=10.0MPa, ultimate compression strength>=90.0MPa, bending strength>=30.0MPa, with concrete adhesive tensile resistance intensity>=2.5MPa, punching mill intensity 3.863h/(g/cm
2), resistance to impact shock 39.8MPa.
Embodiment 3:
Step is with embodiment 1, unlike, described component A composition and weight ratio be: epoxy resin 15, toughner 1.5, reactive thinner 1.5, abrasive aggregates 85, the composition of described B component and weight ratio thereof are: solidifying agent 18, coupling agent 1.5, abrasive aggregates 80.5, wherein, described solidifying agent is polyetheramine solidifying agent D-230, described abrasive aggregates is silicon carbide graded aggregate, and the particle diameter composition of this aggregate and weight ratio thereof are 10 ~ 20 orders: 20 ~ 40 orders: 40 ~ 70 order=1: 1: 2.
Obtained modified epoxy mortar resistant abrasion patching material carries out Mechanics Performance Testing with reference to " epoxy resin mortar technical regulation " DL/T5193-2004, result shows, tensile strength>=10.0MPa, ultimate compression strength>=90.0MPa, bending strength>=30.0MPa, with concrete adhesive tensile resistance intensity>=2.5MPa, punching mill intensity 3.274h/(g/cm
2), resistance to impact shock 36.5MPa.
Claims (4)
1. a modified epoxy mortar resistant abrasion patching material, is characterized in that:
This patching material comprises component A, B component, and the mass ratio of described component A and B component is 4: 1;
The composition of described component A and weight ratio thereof are: epoxy resin 15 ~ 20, toughner 1.5 ~ 2, reactive thinner 1.5 ~ 3, abrasive aggregates 75 ~ 82;
The composition of described B component and weight ratio thereof are: solidifying agent 18 ~ 24, coupling agent 1 ~ 1.5, abrasive aggregates 75 ~ 80;
Described abrasive aggregates is quartz sand graduation aggregate or silicon carbide graded aggregate, and the particle diameter composition of described quartz sand graduation aggregate or silicon carbide graded aggregate and mass ratio thereof are 10 ~ 20 orders: 20 ~ 40 orders: 40 ~ 70 orders: 100 ~ 200 order=0 ~ 1: 1 ~ 2: 0 ~ 2: 0 ~ 1;
Described solidifying agent is polyether monoamine solidifying agent;
Described epoxy resin is bisphenol A-type E44 epoxy resin or bisphenol A-type E51 epoxy resin;
Described toughner is liquid polysulfide rubber, liquid acrylonitrile butadiene rubber or liquid styrene butadiene rubber.
2. a kind of modified epoxy mortar resistant abrasion patching material according to claim 1, is characterized in that: described solidifying agent is polyetheramine solidifying agent T-403 or polyetheramine solidifying agent D-230.
3. a kind of modified epoxy mortar resistant abrasion patching material according to claim 1 and 2, is characterized in that: described reactive thinner is one or more in benzyl glycidyl ether, butylglycidyl ether, glycidyl allyl ether.
4. a kind of modified epoxy mortar resistant abrasion patching material according to claim 1 and 2, is characterized in that: described coupling agent is APTES.
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| CN102659369A (en) * | 2012-05-18 | 2012-09-12 | 山西省交通科学研究院 | Epoxy emulsion modified quick repair mortar for concrete roads and bridges and preparation method for mortar |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102659369A (en) * | 2012-05-18 | 2012-09-12 | 山西省交通科学研究院 | Epoxy emulsion modified quick repair mortar for concrete roads and bridges and preparation method for mortar |
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