CN101830684A - Super early strength polymer rapid-patching motar material - Google Patents

Super early strength polymer rapid-patching motar material Download PDF

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Publication number
CN101830684A
CN101830684A CN 201010183541 CN201010183541A CN101830684A CN 101830684 A CN101830684 A CN 101830684A CN 201010183541 CN201010183541 CN 201010183541 CN 201010183541 A CN201010183541 A CN 201010183541A CN 101830684 A CN101830684 A CN 101830684A
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rapid
early strength
super early
patching
strength polymer
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CN 201010183541
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Chinese (zh)
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CN101830684B (en
Inventor
缪昌文
刘加平
周华新
刘建忠
洪锦祥
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江苏博特新材料有限公司
江苏省建筑科学研究院有限公司
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions 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
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474Uses not provided for elsewhere in C04B2111/00
    • C04B2111/0075Uses not provided for elsewhere in C04B2111/00 for road construction

Abstract

The invention relates to a super early strength polymer rapid-patching motar material prepared from the following components in percentage by weight: 36-50 rapid hardening cement, 42-54 quartz sand, 2-10 polymer tackifier, 0.1-0.5 thickener, 0.1-0.8 early strength agent, 0.15-0.9 set-controlling admixture, 0.1-0.6 water reducing agent, 0.02-0.1 antifoaming agent and 0.01-0.08 chemical staple. The super early strength rapid-patching motar has excellent construction performance and is characterized by rapid hardening and slow setting, the initial setting time is more than or equal to 30 minutes, the final setting time is smaller than or equal to 2 hours, the compression strength in 3 hours can reach more than 25 MPa, the later strength is stably increased, the pulling cohesive strength between the motar and a concrete interface can reach more than 2.5MPa, and the super early strength rapid-patching motar also has the advantages of good waterproofness and impermeability, strong crack resistance, convenient use, and the like, and can be used for the rapid patching of bridge and road surfaces, especially for the rapid patching of beam surfaces and beam bodies of passenger special lines.

Description

Super early strength polymer rapid-patching motar material
Technical field
The present invention relates to a kind of super early strength polymer rapid-patching motar material and preparation method thereof, specifically, relate to a kind of quick repairing that is applicable to high-speed railway Passenger dedicated railway Bridge beam body (face) and road concrete body structure surface defective, only need add the water stirring during use at the construction field (site) and get final product.
Background technology
The economic construction of current China is with unprecedented high-speed fast development, and infrastructure construction advances with massive situation, therefore to having proposed high requirement, especially high-speed railway and special line for passenger trains the work-ing life of improving infrastructure project.The high-speed railway desin speed is 350km/h, and high speed traveling requires the concrete high ride of circuit, and creep behind the line style control of bridge structure construction central sill portion, the worker arch and foundation settlement control are proposed very high requirement, and the Construction control difficulty is big.The beam surface evenness is the prerequisite that guarantees that train smooth travels, and going up the interior error of next meter scope in face of the beam about the back can not surpass 2 millimeters, and error can not be above 8 millimeters in 4 meters scopes.In the process of construction of special line for passenger trains, relate to prefabricated, the transportation and the hoisting process of big measuring tank beam, all can there be in various degree the discrepancy in elevation and damage at these process central sill faces.At the traditional architecture thing, along with the increase of concrete structure Years Of Service, sick damages such as crack, surperficial concrete scaling and reinforcing bar are exposed constantly appear in structures in addition, and wearing and tearing appear in road, bridge pavement.
Patching material mainly contains three major types at present: Portland cement class mortar, epoxy resin mortar, high molecular polymer sand-cement slurry.Slow, low, the easy contraction of cohesive strength of Portland cement class mortar early strength development, repair efficiency is not good; The preparation of epoxy resin mortar working-yard is loaded down with trivial details, and cost height, contraction differ greatly with the concrete coefficient of linear expansion greatly, are prone to aging obscission after the repairing; Present domestic high molecular polymer sand-cement slurry price is higher relatively, adopts the compound use of Portland cement and polymkeric substance mostly, and its early strength development is slower, and folding strength is low, and the later strength retraction is prone to phenomenons such as contraction, cracking and cohesive strength are low after the repairing.
According to science and technology base [2009] No. 117 files " the provisional technical qualification of passenger dedicated railway line bridge concrete bridge floor spray polyurea waterproof layer " that high-speed rail technology requires and science and technology department of the Ministry of Railways issues, high-speed railway beam face water-proof material and beam surface concrete are just drawing the cohesive strength must be greater than 2.5MPa, so the cohesive strength of beam face patching material also must reach 2.5MPa and just adheres to specification.And yet there are no mending mortar material and concrete interface cohesive strength data of literatures greater than 2.5MPa.
Summary of the invention
The present invention provides a kind of super early strength polymer rapid-patching motar material and preparation method thereof in order to overcome existing mending mortar hour intensity, cohesive strength and the low problem of folding strength.
Super early strength polymer rapid-patching motar material of the present invention is formulated by following compositions in weight percentage:
Rapid hardening cement 36%~50%
Quartz sand 42%~54%
Polymeric viscosifiers 2.0%~10%
Thickening material 0.1%~0.5%
Hardening accelerator 0.1%~0.8%
Adjustable solidification agent 0.15%~0.9%
Water reducer 0.3%~0.6%
Defoamer 0.06%~0.26%
Staple fibre 0.01%~0.08%
Above-mentioned rapid hardening cement is a quick hardening sulphoaluminate cement; Quartz sand is 20 orders~100 purposes mechanism quartz sand; Polymeric viscosifiers is a kind of in redispersible vinyl acetate between to for plastic/ethylene copolymer rubber powder, carboxylic acid group's block copolymerization rubber powder, the acrylic rubber powder; Thickening material is hydroxyethylmethyl-cellulose ether or hydroxypropyl methyl cellulose ether; Hardening accelerator is Tai-Ace S 150 and Calcium Fluoride (Fluorspan) or Tai-Ace S 150 and the calcium formiate mixture by 1: 1 weight ratio preparation; Adjustable solidification agent is citric acid, boric acid or borax; Water reducer is powdery naphthalenesulfonate high efficiency water reducing agent or polycarboxylate high-efficiency water reducing agent; Defoamer is silicone antifoam agent or polyethers defoamer; Staple fibre is the long polypropylene fibre state of 3-9mm, and preferred length is 3mm, 6mm or 9mm.
Above-mentioned each component is mixed in proportion promptly makes the present invention after stirring.When the present invention uses at the scene, add water and stir and can use, the mass ratio of water and super early strength polymer rapid-patching motar dry powder is 0.125~0.145.
The present invention has following characteristics:
1, adopts rapid hardening cement, improve hour intensity of slurry and the development of later strength.
2, adhesive property is good: polymer dry powder can improve binding property, folding strength and waterproof impervious characteristic.It is strong to mix behind the polymer dry powder mending mortar and new-to-old concrete interface cohesive force, and 7d draws cohesive strength can reach more than the 2.0MPa, and 28d is just drawing cohesive strength can reach 2.5MPa.
3, bearing capacity height: 24h ultimate compression strength can reach 50MPa, and folding strength is greater than 10MPa, and later strength is less than contracting and steady growth.
4, adopt clean, the good white quartz sand of particle diameter, improve the serviceability and the outward appearance of slurry.
5, adopt water reducer to improve the flowability of slurry, improve its serviceability.
6, the retardant of Cai Yonging is when the rapid hardening cement aquation, can with the cement formation integument of having an effect, cement is wrapped in the shell the inside, thus the aquation time of coagulation of control rapid hardening cement.
7, adopt hardening accelerator to permeate the integument that forms by retardant and cement of parcel cement granules, and destroy shell and make cement granules, shortly act on firmly thereby play in moment aquation and sclerosis in minutes.Two hours intensity of slurry intensity reaches more than the 25MPa.
8, adopt defoamer to remove the bubble that slurry produces in whipping process, improve the mechanical property and the anti-permeability performance of hardened paste.
9, staple fibre is the long polypropylene fibre of 3-9mm.This fiber has good dispersiveness, do not influence the workability of mortar, in mortar, form a kind of even unrest to the network system that distributes, structural stress is disperseed, produce the secondary stiffening effect, thereby effectively improve the resistance to cleavage of mortar, under the condition that does not reduce ultimate compression strength, improved folding strength greatly.
The invention has the advantages that: simple to operate, easy to use, the scene adds the water stirring and gets final product, and has ultrafast rapid hardening firmly and not, early strength height, cohesive strength height, carries fast and good endurance, nontoxic, free from corrosion characteristics can realize the quick repairing of concrete surface; Slurry has good resistance to cleavage; Slurry just began snap cure at one hour, just can reach the needed mechanical property of construction, and shortened the construction period greatly, and slurry long-age intensity not have retraction in two hours; Has the excellent waterproof anti-permeability performance, good endurance.Construction that the present invention is fit to (to comprise low subzero temperature and hot conditions) under the various envrionment conditionss, be specially adapted to the quick repairing of high-speed railway Passenger dedicated railway Bridge beam body (face) and road concrete body structure surface defective, can also be used for the quick repairing of engineerings such as underwater engineering, tunnel.
Embodiment
Further describe the present invention with embodiment below, but described embodiment only is used to illustrate the present invention rather than restriction the present invention.
Embodiment 1
Quick hardening sulphoaluminate cement: 46.3% (mass percent); Quartz sand: 47%; Vinyl acetate between to for plastic/ethylene copolymer rubber powder: 5%; Hydroxyethylmethyl-cellulose ether: 0.2%; Borax: 0.4%; Tai-Ace S 150 mixes with Calcium Fluoride (Fluorspan) at 1: 1: 0.2%; Naphthalenesulfonate high efficiency water reducing agent (pulvis); 0.55%; Silicone antifoam agent; 0.06%; 6mm polypropylene fibre: 0.02%.
During on-the-spot the use, mending mortar dry powder and water are stirred into slurry in 1: 0.13 ratio get final product.With reference to " polymer cement waterproof mortar " JC/T 984-2005, recording gained mending mortar 7d, just to draw cohesive strength be 2.5MPa, and it is 3.0MPa that 28d is just drawing cohesive strength, and 3h ultimate compression strength is 28MPa, 1d ultimate compression strength is 51MPa, and the 1d folding strength is 12.3MPa.
Embodiment 2
Quick hardening sulphoaluminate cement: 40.0% (mass percent); Quartz sand: 50.3%; Carboxylic acid group's block copolymerization rubber powder: 8%; Hydroxyethylmethyl-cellulose ether: 0.3%; Borax: 0.4%; Tai-Ace S 150 mixes with Calcium Fluoride (Fluorspan) at 1: 1: 0.3%; High-efficiency water-reducing agent of poly-carboxylic acid (pulvis); 0.24%; The polyethers defoamer; 0.04%; 3mm polypropylene fibre: 0.02%.
Recording gained mending mortar 7d, just to draw cohesive strength be 2.2MPa, and it is 2.6MPa that 28d is just drawing cohesive strength, and 3h ultimate compression strength is 25MPa, and 1d ultimate compression strength is 49MPa, and the 1d folding strength is 11.6MPa.
Embodiment 3
Quick hardening sulphoaluminate cement: 50.0% (mass percent); Quartz sand: 44.4%; Acrylic polymer polymerization rubber powder: 3%; Hydroxypropyl methyl cellulose ether: 0.3%; Citric acid: 0.9%; Tai-Ace S 150 and calcium formiate mix at 1: 1: 0.8%; High-efficiency water-reducing agent of poly-carboxylic acid (pulvis); 0.40%; The polyethers defoamer; 0.07%; 9mm polypropylene fibre: 0.08%.
Recording gained mending mortar 7d, just to draw cohesive strength be 2.4MPa, and it is 2.75MPa that 28d is just drawing cohesive strength, and 3h ultimate compression strength is 29MPa, and 1d ultimate compression strength is 54MPa, and the 1d folding strength is 12.8MPa.
Embodiment 4
Quick hardening sulphoaluminate cement: 36% (mass percent); Quartz sand: 52.55%; Acrylic polymer polymerization rubber powder: 10%; Hydroxypropyl methyl cellulose ether: 0.3%; Boric acid: 0.6%; Tai-Ace S 150 and calcium formiate mix at 1: 1: 0.4%; High-efficiency water-reducing agent of poly-carboxylic acid (pulvis); 0.12%; The polyethers defoamer; 0.02%; 3mm polypropylene fibre: 0.01%.
Recording gained mending mortar 7d, just to draw cohesive strength be 2.75MPa, and it is 3.2MPa that 28d is just drawing cohesive strength, and 3h ultimate compression strength is 28MPa, and 1d ultimate compression strength is 54MPa, and the 1d folding strength is 13.1MPa.
Embodiment 5
Quick hardening sulphoaluminate cement: 50% (mass percent); Quartz sand: 42%; Vinyl acetate between to for plastic/ethylene copolymer rubber powder rubber powder: 6.2%; Hydroxyethylmethyl-cellulose ether: 0.3%; Borax: 0.15%; Tai-Ace S 150 mixes with Calcium Fluoride (Fluorspan) at 1: 1: 0.6%; Naphthalenesulfonate high efficiency water reducing agent (pulvis); 0.6%; Silicone based defoamer; 0.10%; 3mm polypropylene fibre: 0.05%.
Recording gained mending mortar 7d, just to draw cohesive strength be 2.4MPa, and it is 2.85MPa that 28d is just drawing cohesive strength, and 3h ultimate compression strength is 29.5MPa, and 1d ultimate compression strength is 51MPa, and the 1d folding strength is 10.8MPa.
Embodiment 6
Quick hardening sulphoaluminate cement: 50% (mass percent); Quartz sand: 46.55%; Acrylic polymer polymerization rubber powder: 2%; Hydroxypropyl methyl cellulose ether: 0.3%; Boric acid: 0.35%; Tai-Ace S 150 and calcium formiate mix at 1: 1: 0.4%; High-efficiency water-reducing agent of poly-carboxylic acid (pulvis); 0.25%; The polyethers defoamer; 0.10%; 9mm polypropylene fibre: 0.05%.
Recording gained mending mortar 7d, just to draw cohesive strength be 2.15MPa, and it is 2.52MPa that 28d is just drawing cohesive strength, and 3h ultimate compression strength is 27MPa, and 1d ultimate compression strength is 50MPa, and the 1d folding strength is 10.7MPa.
Each component can be made the present invention in the ratio uniform mixing of the various embodiments described above, the super early strength polymer rapid-patching motar material that the various embodiments described above are made is as shown in table 1 below by the repairing slurry performance of 0.13 ratio of water to material (mass ratio) preparation,

Claims (10)

1. super early strength polymer rapid-patching motar material is characterized in that by following compositions in weight percentage formulated:
Rapid hardening cement 36%~50%
Quartz sand 42%~54%
Polymeric viscosifiers 2.0%~10%
Thickening material 0.1%~0.5%
Hardening accelerator 0.1%~0.8%
Adjustable solidification agent 0.15%~0.9%
Water reducer 0.1%~0.6%
Defoamer 0.02%~0.10%
Staple fibre 0.01%~0.08%.
2. according to the described super early strength polymer rapid-patching motar material of claim 1, it is characterized in that rapid hardening cement is a quick hardening sulphoaluminate cement.
3. according to the described super early strength polymer rapid-patching motar material of claim 1, it is characterized in that quartz sand is 20 orders~100 purposes mechanism quartz sand.
4. according to the described super early strength polymer rapid-patching motar material of claim 1, it is characterized in that polymeric viscosifiers is a kind of in redispersible vinyl acetate between to for plastic/ethylene copolymer rubber powder, carboxylic acid group's block copolymerization rubber powder, the acrylic rubber powder.
5. according to the described super early strength polymer rapid-patching motar material of claim 1, it is characterized in that thickening material is a kind of of hydroxyethylmethyl-cellulose ether, hydroxypropyl methyl cellulose ether.
6. according to the described super early strength polymer rapid-patching motar material of claim 1, it is characterized in that hardening accelerator is Tai-Ace S 150 and Calcium Fluoride (Fluorspan) or Tai-Ace S 150 and the calcium formiate mixture by 1: 1 weight ratio preparation.
7. according to the described super early strength polymer rapid-patching motar material of claim 1, it is characterized in that adjustable solidification agent is a kind of in citric acid, boric acid, the borax.
8. according to the described super early strength polymer rapid-patching motar material of claim 1, it is characterized in that water reducer is a kind of in powdery naphthalenesulfonate high efficiency water reducing agent or the polycarboxylate high-efficiency water reducing agent.
9. according to the described super early strength polymer rapid-patching motar material of claim 1, it is characterized in that defoamer is silicone antifoam agent or polyethers defoamer.
10. according to the described super early strength polymer rapid-patching motar material of claim 1, it is characterized in that staple fibre is the long polypropylene fibre of 3-9mm.
CN 201010183541 2010-05-26 2010-05-26 Super early strength polymer rapid-patching motar material CN101830684B (en)

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Cited By (23)

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Publication number Priority date Publication date Assignee Title
CN101973754A (en) * 2010-10-26 2011-02-16 山东大学 Quickly solidifying injecting paste material for shallow sealing
CN102898107A (en) * 2012-10-26 2013-01-30 苏州市姑苏新型建材有限公司 Concrete healant
CN103102121A (en) * 2012-12-17 2013-05-15 重庆市百世得建材有限公司 Tackifier and preparation method thereof
CN103253901A (en) * 2013-06-06 2013-08-21 上海昱喜新材料科技有限公司 Concrete bridge-deck rapid paving mortar and preparation method thereof
CN103771809A (en) * 2014-01-01 2014-05-07 大连理工大学 Material for repairing microdefects on surface of concrete
CN103833288A (en) * 2014-03-14 2014-06-04 福州皇家地坪有限公司 Polymer mortar for rapid repair
CN103951359A (en) * 2014-05-05 2014-07-30 兰溪市三力建筑材料有限公司 High performance road rehabilitation king material
CN104030641A (en) * 2014-06-30 2014-09-10 中国民航机场建设集团公司 Airfield pavement damage self-diagnosing concrete and preparation method thereof
CN104860615A (en) * 2015-03-27 2015-08-26 万华节能科技集团股份有限公司 Mortar for concrete base surface repair, and preparation method thereof
CN105236829A (en) * 2015-09-03 2016-01-13 宋金博 Bridge floor quick repairing agent and preparation method of same
CN105272074A (en) * 2015-06-30 2016-01-27 深圳港创建材股份有限公司 Preparation method of energy-saving environment-friendly highly anti-seepage water-proof mortar
CN105523745A (en) * 2016-01-08 2016-04-27 甘肃省交通规划勘察设计院有限责任公司 Bridge expansion joint fast reparation material
CN105645856A (en) * 2016-03-22 2016-06-08 苏州百联建筑工程有限公司 Quick and high-strength special repair mortar for airport road
CN105837137A (en) * 2016-04-08 2016-08-10 武汉理工大学 Composite reinforcing type mortar for rapid repairing
CN106565178A (en) * 2016-11-14 2017-04-19 绍兴职业技术学院 Polymer mortar for rail transit and preparation method
CN106630873A (en) * 2016-12-21 2017-05-10 卡本复合材料(天津)有限公司 Wet process spraying polymer mortar
CN106630871A (en) * 2016-12-08 2017-05-10 江苏苏博特新材料股份有限公司 Bed mortar for filling gap between prefabricated members and preparation method thereof
CN106866085A (en) * 2016-12-29 2017-06-20 中铁第四勘察设计院集团有限公司 Special grouting material and its grouting method are reinforced in a kind of high-speed railway subgrade repairing
CN106986595A (en) * 2017-04-28 2017-07-28 上海应用技术大学 A kind of extraordinary mortar for being used to make transparent cement product
CN107540321A (en) * 2017-09-20 2018-01-05 西安建筑科技大学 A kind of material for quickly repairing and preparation method
CN109626890A (en) * 2019-01-24 2019-04-16 深圳市红威达建材有限公司 High polymer rapid structural repairing material, preparation and construction method
CN109851304A (en) * 2019-03-06 2019-06-07 唐山北极熊建材有限公司 Repairing material for concrete pavement and its preparation method and application
CN110451898A (en) * 2019-08-16 2019-11-15 北京市高强混凝土有限责任公司 A kind of early strong repairing mortar of polymer

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CN101973754A (en) * 2010-10-26 2011-02-16 山东大学 Quickly solidifying injecting paste material for shallow sealing
CN102898107B (en) * 2012-10-26 2014-12-03 苏州市姑苏新型建材有限公司 Concrete healant
CN102898107A (en) * 2012-10-26 2013-01-30 苏州市姑苏新型建材有限公司 Concrete healant
CN103102121A (en) * 2012-12-17 2013-05-15 重庆市百世得建材有限公司 Tackifier and preparation method thereof
CN103253901A (en) * 2013-06-06 2013-08-21 上海昱喜新材料科技有限公司 Concrete bridge-deck rapid paving mortar and preparation method thereof
CN103253901B (en) * 2013-06-06 2016-01-13 上海昱喜新材料科技有限公司 A kind of concrete bridge deck fast spreading mortar and preparation method thereof
CN103771809B (en) * 2014-01-01 2015-12-30 大连理工大学 A kind of concrete surface layer microdefect patching material
CN103771809A (en) * 2014-01-01 2014-05-07 大连理工大学 Material for repairing microdefects on surface of concrete
CN103833288A (en) * 2014-03-14 2014-06-04 福州皇家地坪有限公司 Polymer mortar for rapid repair
CN103951359A (en) * 2014-05-05 2014-07-30 兰溪市三力建筑材料有限公司 High performance road rehabilitation king material
CN104030641A (en) * 2014-06-30 2014-09-10 中国民航机场建设集团公司 Airfield pavement damage self-diagnosing concrete and preparation method thereof
CN104860615A (en) * 2015-03-27 2015-08-26 万华节能科技集团股份有限公司 Mortar for concrete base surface repair, and preparation method thereof
CN105272074A (en) * 2015-06-30 2016-01-27 深圳港创建材股份有限公司 Preparation method of energy-saving environment-friendly highly anti-seepage water-proof mortar
CN105236829A (en) * 2015-09-03 2016-01-13 宋金博 Bridge floor quick repairing agent and preparation method of same
CN105523745A (en) * 2016-01-08 2016-04-27 甘肃省交通规划勘察设计院有限责任公司 Bridge expansion joint fast reparation material
CN105645856A (en) * 2016-03-22 2016-06-08 苏州百联建筑工程有限公司 Quick and high-strength special repair mortar for airport road
CN105837137A (en) * 2016-04-08 2016-08-10 武汉理工大学 Composite reinforcing type mortar for rapid repairing
CN105837137B (en) * 2016-04-08 2018-01-12 武汉理工大学 A kind of composite enhanced rapid-patching motar
CN106565178A (en) * 2016-11-14 2017-04-19 绍兴职业技术学院 Polymer mortar for rail transit and preparation method
CN106630871A (en) * 2016-12-08 2017-05-10 江苏苏博特新材料股份有限公司 Bed mortar for filling gap between prefabricated members and preparation method thereof
CN106630871B (en) * 2016-12-08 2019-11-05 江苏苏博特新材料股份有限公司 A kind of seat slurry and preparation method thereof for filling prefabricated member gap
CN106630873A (en) * 2016-12-21 2017-05-10 卡本复合材料(天津)有限公司 Wet process spraying polymer mortar
CN106866085A (en) * 2016-12-29 2017-06-20 中铁第四勘察设计院集团有限公司 Special grouting material and its grouting method are reinforced in a kind of high-speed railway subgrade repairing
CN106986595A (en) * 2017-04-28 2017-07-28 上海应用技术大学 A kind of extraordinary mortar for being used to make transparent cement product
CN107540321A (en) * 2017-09-20 2018-01-05 西安建筑科技大学 A kind of material for quickly repairing and preparation method
CN109626890A (en) * 2019-01-24 2019-04-16 深圳市红威达建材有限公司 High polymer rapid structural repairing material, preparation and construction method
CN109851304A (en) * 2019-03-06 2019-06-07 唐山北极熊建材有限公司 Repairing material for concrete pavement and its preparation method and application
CN110451898A (en) * 2019-08-16 2019-11-15 北京市高强混凝土有限责任公司 A kind of early strong repairing mortar of polymer

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