CN106221509A - A kind of cement concrete basal plane protective treatment aqueous epoxy coating and preparation method - Google Patents
A kind of cement concrete basal plane protective treatment aqueous epoxy coating and preparation method Download PDFInfo
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- CN106221509A CN106221509A CN201610651267.6A CN201610651267A CN106221509A CN 106221509 A CN106221509 A CN 106221509A CN 201610651267 A CN201610651267 A CN 201610651267A CN 106221509 A CN106221509 A CN 106221509A
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- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
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- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/14—Polycondensates modified by chemical after-treatment
- C08G59/1433—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds
- C08G59/1483—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds containing sulfur
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- C09D5/16—Antifouling paints; Underwater paints
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Abstract
The invention belongs to aqueous epoxy coating technical field, disclose a kind of cement concrete basal plane protective treatment aqueous epoxy coating and preparation method and application.The coating of the present invention is applied to cement concrete basal plane protective treatment, gained landing stiffness, wearability, resistance to soiling and fine heat-resisting performance.The coating of the present invention includes the component of following mass parts meter: epoxy resin 100 parts, 2 amino ethyl sulfonic acid modified water epoxy resins 10～100 parts, firming agent 2～80 parts, defoamer 0.1～3 parts, reactive diluent 0～20 parts, levelling agent 0.5～2 parts, dispersant 0.05～10 parts, pigment 2～16 parts, filler 20～150 parts, accelerator 0～5 parts；The preparation method of described 2 amino ethyl sulfonic acid modified water epoxy resins: epoxy resin, 2 taurines, water and surfactant are mixed, reacts 3～10 hours at 25～60 DEG C, obtains 2 amino ethyl sulfonic acid modified water epoxy resins.
Description
Technical field
The invention belongs to aqueous epoxy coating technical field, particularly to a kind of cement concrete basal plane protective treatment water
Property epoxy coating and preparation method and application.
Background technology
The quick growth built along with national basis, the engineering field such as hydraulic engineering, road traffic, municipal administration is to coagulation civil engineering
Durability and the security requirement of building thing improve day by day, and the environment protection control measure to Process of Engineering Construction simultaneously is more and more paid attention to.
Concrete is a kind of porous material, and its pore size distribution range is at nanometer to millimeter magnitude, the CO in air2By this
Some holes gap enters the alkaline matter generation carburizing reagent in inside concrete, with concrete.Carbonization is many to the harm of concrete
Aspect, as reduced intensity and the elastic modelling quantity of concrete, produce contraction fissure etc., maximum harm is to destroy reinforcing bar passivation
Film, affects the durability of concrete.Moisture also can be adsorbed onto surface by the capillarity of concrete, and penetrates into mixed further
The inside of solidifying soil, meanwhile, is dissolved in harmful substance therein, also can be transported to concrete such as chloride ion, sulfate ion etc.
In hole, bring serious corrosion dangerous to reinforced concrete structure, have a strong impact on the aesthetic property of building, durability and safety
Property.Therefore, select suitable cement concrete disease management and decoration, protective material, surface of concrete buildings can be recovered
Aesthetic property, simultaneously forms effective overcoat at concrete surface or fault location, make concrete from or slow down extraneous erosion and make
With, improve the durability of concrete structure, for promoting China's engineering construction quality and operation and maintenance level, there is important meaning
Justice.
Epoxy coating has the adhesive backers of excellent mechanical property, antiseptic property and cohesiveness and chemical stability, extensively
Being applied to anticorrosive paint, industry ground slab coating etc., but leading products major part is solvent-borne type at present, contained organic solvent is inflammable
Explosive, volatile, abnormal smells from the patient is big, cause air pollution when using, and has toxicity more or less, and this is cause environmental pollution old
Disaster problem.Over nearly 10 years, environment pressure from public opinion of preserving our planet grows with each passing day, and some developed countries have formulated fire codes and molten
Agent regulation, these factors promote countries in the world research worker to take quite some effort the exploitation carrying out corresponding product, but at present
The aqueous epoxy coating occurred on the market, compared with solvent based product, its performance still exists bigger gap, and therefore exploitation is new
Type high-performance water-based epoxy coating also progressively replaces solvent based product with it, has important practical significance and before wide application
Scape, is an urgent demand of our national economic development.
Summary of the invention
In order to overcome shortcoming and the deficiency of above-mentioned prior art, the primary and foremost purpose of the present invention is to provide one containing having certainly
The aqueous epoxy coating of the 2-aminoethyl sulfonic acid modified epoxy of solidification and emulsifiability.
Containing the 2-aminoethyl sulfonic acid modified epoxy with self-curing and emulsifiability in the aqueous epoxy coating of the present invention
Resin, it has the premium properties such as long pot life, wear-resisting, heat-resisting and resistant, can be applicable to cement concrete basal plane protective treatment
In.
Another object of the present invention is to provide a kind of above-mentioned water-base epoxy containing 2-aminoethyl sulfonic acid modified epoxy to be coated with
The preparation method of material.
Still a further object of the present invention is to provide a kind of above-mentioned water-base epoxy containing 2-aminoethyl sulfonic acid modified epoxy to be coated with
The application of material.
The purpose of the present invention is realized by following proposal:
A kind of aqueous epoxy coating containing 2-aminoethyl sulfonic acid modified epoxy, including the component of following mass parts meter:
Described 2-aminoethyl sulfonic acid modified aqueous epoxy resin, is prepared by the method comprised the following steps: by ring
Epoxy resins, 2-aminoethyl sulfonic acid, water and surfactant mixing, react 3～10 hours at 25～60 DEG C, obtain 2-amino second sulphur
Acid modified aqueous epoxy resin.
The most each component is in parts by mass: epoxy resin: 100 parts；2-aminoethyl sulfonic acid: 3～50 parts；Water: 50～200
Part；Surfactant: 0.5～3 part.
Preferably, each component is in parts by mass: epoxy resin: 100 parts；2-aminoethyl sulfonic acid: 10～30 parts；Water: 100
～200 parts；Surfactant: 1～2 part.
Described epoxy resin is preferably at least one in bisphenol A type epoxy resin and bisphenol f type epoxy resin.
Described surfactant is selected from octyl phenol polyoxyethylene-type surfactant, Nonyl pheno type surface
Activating agent, allyl polyethenoxy ether type surfactant, propylene glycol block polyether type surfactant and quaternary surface
At least one in activating agent, preferably at least two kinds.
Described octyl phenol polyoxyethylene-type surfactant includes Surfactant OP-10 etc.；Described polyoxyethylene nonyl phenyl second
Ene-type surfactant includes surfactant NP-5 etc.；Described allyl polyethenoxy ether type surfactant includes living in surface
Property agent F8a etc.；Described propylene glycol block polyether type surfactant includes surfactant L-44 etc.；Described quaternary surface
Activating agent includes tetrabutyl ammonium bromide etc..
Described 2-aminoethyl sulfonic acid modified aqueous epoxy resin, structure such as formula (1) represents:
Wherein R is H or CH3；N is 1～10.
The chemical equation that the preparation of above-mentioned 2-aminoethyl sulfonic acid modified aqueous epoxy resin relates to is as follows:
In the aqueous epoxy coating containing 2-aminoethyl sulfonic acid modified epoxy of the present invention:
Described epoxy resin is preferably at least one in bisphenol A type epoxy resin and bisphenol f type epoxy resin.
Described firming agent is preferably in aliphatic polyamine, polyamide, aliphatic cyclic amine, polyetheramine and relevant modified amine thereof
At least one.
Described defoamer is preferably polysiloxane-based defoamer, more preferably the defoamer of Germany Bi Ke (BYK)
BYK066。
Described reactive diluent is preferably (+)-2,3-Epoxy-1-propanol ether compound, including epoxy propane butyl ether, C12～C14
At least one in fatty alcohol glycidyl ether, expoxy propane phenyl ether and expoxy propane benzylic ether, more preferably at least two kinds.
Described levelling agent is preferably fluorine carbon levelling agent, more preferably EFKA3777.
Described dispersant is preferably at least one in BYK-P104, BYK-P105 and BYK163 of BYK company of Germany.
Described pigment can be organic or mineral-type pigment as required, including titanium dioxide, white carbon black, phthalocyanine, chrome yellow,
At least one in everbright fast yellow, iron oxide red and iron oxide black etc..
Described filler is preferably at least one in Kaolin, quartz sand, Pulvis Talci and calcium carbonate, more preferably at least
Two kinds.
Described accelerator includes at least one in tertiary amine, quaternary amine, organic base and Louis (Lewis) acid, preferably
For at least one in 2-methylimidazole and 2,4,6-tri-(dimethylamino methyl) phenol.
The present invention also provides for the preparation side of a kind of above-mentioned aqueous epoxy coating containing 2-aminoethyl sulfonic acid modified epoxy
Method, comprises the following steps: by described component mix homogeneously, i.e. obtain the water-base epoxy containing 2-aminoethyl sulfonic acid modified epoxy
Coating.
The aqueous epoxy coating containing 2-aminoethyl sulfonic acid modified epoxy of the present invention may be directly applied to coagulating cement
In the protective treatment of soil matrix face, landing stiffness, wearability, resistance to soiling and the fine heat-resisting performance obtained.The water-base epoxy of the present invention
Coating, owing to containing 2-aminoethyl sulfonic acid modified epoxy, it is compared with traditional solvent epoxy coatings, is keeping epoxy
Under coating key property premise, there is more preferable environmental-protecting performance.
The present invention utilizes the chemical reaction of 2-aminoethyl sulfonic acid and epoxy resin, and polar group is introduced epoxy resin, in
With become salt so that it is not only there is self-curing function but can other epoxy resin of emulsifying, by admixture 2-aminoethyl sulfonic acid modified epoxy
Resin, prepares the aqueous epoxy coating of long pot life, stable storing further.
The present invention, relative to prior art, has such advantages as and beneficial effect:
The present invention prepares 2-aminoethyl sulfonic acid modified epoxy, the letter of preparation method technique by chemic modified method
Single, raw material is easy to get, and it is convenient to implement, and beneficially reduces cost in actual production, practical, utilizes it to prepare water-base epoxy
Coating, the aqueous epoxy emulsion obtained has the spies such as particle is excellent compared with thin, stable performance, cured product hardness and shock resistance
Point, and the coating of modification has a longer working life, and well hardness, wearability, resistant and heat resistance, can be direct
It is applied in cement concrete basal plane protective treatment, landing stiffness, wearability, resistance to soiling and the fine heat-resisting performance obtained..
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
The reagent used in the following example all can obtain from commercial channel.
Embodiment 1
(1) 100g E-03 epoxy resin, 3g 2-aminoethyl sulfonic acid, 40g deionized water and 1g surfactant F8a are mixed
Close and put in three-necked bottle, react 5 hours at temperature is 25 DEG C, react complete and i.e. can get the water-base epoxy that solid content is 70%
Resin.
(2) by modified aqueous epoxy resin 10g, the E-03 epoxy resin 100g, defoamer BYK066 of synthesis in step (1)
0.1g, epoxy propane butyl ether 10g, levelling agent EFKA3777 0.8g, dispersant B YK-P104 0.05g, titanium dioxide 16g are high
Ridge soil 20g, is placed in mix homogeneously in massing machine；Add ketimine cured dose of 2g of DA-134, mix with massing machine
Uniformly, cement concrete basal plane protective treatment aqueous epoxy coating is obtained.After cured at room temperature 14 days, use standard GB/
T6739-1996 (determination of pencil hardness method) measures hardness, and the pencil hardness of floor coatings is 2H；With standard GB/T 1768-
2006 measure wearability, and the wearability of floor coatings is 0.015；Sample is close to above the fine sand that thickness is 20mm, film
Towards upper, then diameter (60 ± 4) mm, weight is that the copper spherical counterweight of (1000 ± 20) g is at height (100 ± 1) cm
Freely fall, test specimen selects each apart no less than 50mm, and three positions being not less than 50mm away from test specimen edge are tried
Testing, the surface of test piece that detects by an unaided eye coating has flawless, peeling, and recording resistance to impact by this method is II grade, film flawless
Without coming off.
Embodiment 2
(1) by 100g E-51 epoxy resin, 14g 2-aminoethyl sulfonic acid, 100g deionized water and 2g surfactant L-
44 mixing put in three-necked bottle, react 6 hours, react complete and i.e. can get the aqueous that solid content is 50% at temperature is 30 DEG C
Epoxy resin.
(2) by modified aqueous epoxy resin 30g, the E-51 epoxy resin 100g, defoamer BYK066 of synthesis in step (1)
0.8g, C12-C14 fatty alcohol glycidyl ether 5g, levelling agent EFKA3777 1.6g, dispersant B YK163 8g, white carbon black 10g are sliding
Stone powder 150g, is placed in mix homogeneously in massing machine；Add diethylenetriamine 12g, use massing machine mix homogeneously, i.e.
Obtain cement concrete basal plane protective treatment aqueous epoxy coating.After cured at room temperature 14 days, test obtains the lead of floor coatings
Hardness is 3H；Wearability is 0.023, and resistance to impact is II grade, 1000g steel ball, high 100cm film flawless, (surveys without peeling off
Method for testing is all with described in embodiment 1).
Embodiment 3
(1) by 100g E-54 epoxy resin, 34g 2-aminoethyl sulfonic acid, 150g deionized water and 2g surfactant four
Butylammonium bromide mixing puts in three-necked bottle, reacts 6 hours at temperature is 35 DEG C, and reacting the complete solid content that i.e. can get is
The aqueous epoxy resins of 45%.
(2) by modified aqueous epoxy resin 30g, the E-54 epoxy resin 100g of synthesis in step (1), polysiloxane-based disappear
Infusion BYK066 1.2g, butanol 10g, levelling agent EFKA3777 0.5g, dispersant B YK163 10g, chrome yellow 2g, quartz sand
40g, 2-methylimidazole 1g, be placed in mix homogeneously in massing machine；Add N-AEP firming agent 32g, mix with massing machine
Close uniformly, obtain cement concrete basal plane protective treatment aqueous epoxy coating.After cured at room temperature 14 days, test obtains terrace
The pencil hardness of coating is 3H；Wearability is 0.021, and resistance to impact is II grade, 1000g steel ball, high 100cm film flawless,
Without peeling off (method of testing is all with described in embodiment 1).
Embodiment 4
(1) by 100g E-44 epoxy resin, 28g 2-aminoethyl sulfonic acid, 200g deionized water, 1g surfactant NP-5
Put in three-necked bottle with the mixing of 2g Surfactant OP-10, react 4 hours at temperature is 50 DEG C, react complete the most available
Solid content is the aqueous epoxy resins of 40%.
(2) by modified aqueous epoxy resin 40g, the E-44 epoxy resin 100g, defoamer BYK066 of synthesis in step (1)
1.5g, levelling agent EFKA3777 1.2g, dispersant B YK163 6g, chrome yellow 4g, quartz sand 130g, it is placed in massing machine mixed
Close uniformly；Add polyamide 6 50 80g, use massing machine mix homogeneously, obtain cement concrete basal plane protective treatment and use
Aqueous epoxy coating.After cured at room temperature 14 days, it is 2H that test obtains the pencil hardness of floor coatings；Wearability is 0.019, resistance to
Impact is II grade, 1000g steel ball, high 100cm film flawless, without peeling off (method of testing is all with described in embodiment 1).
Embodiment 5
(1) by 100g E-42 epoxy resin, 27g 2-aminoethyl sulfonic acid, 150g deionized water, 2g Surfactant OP-
10 and 2g surfactant NP-5 mixing put in three-necked bottles, react 3 hours at temperature is 100 DEG C, react complete
It is the aqueous epoxy resins of 45% to solid content.
(2) by modified aqueous epoxy resin 100g, the E-42 epoxy resin 100g of synthesis, defoamer in step (1)
BYK066 2g, expoxy propane phenyl ether 20g, levelling agent EFKA3777 2g, dispersant B YK-P105 4g, iron oxide red 13g,
Pulvis Talci 100g, 2,4,6-tri-(dimethylamino methyl) phenol 5g, be placed in mix homogeneously in massing machine；Add 2-methyl
Pentanediamine (MPMD) 50g, uses massing machine mix homogeneously, obtains cement concrete basal plane protective treatment water-base epoxy and is coated with
Material.After cured at room temperature 14 days, it is 3H that test obtains the pencil hardness of floor coatings；Wearability is 0.015, and resistance to impact is II
Level, 1000g steel ball, high 100cm film flawless, without peeling off (method of testing is all with described in embodiment 1).
Embodiment 6
(1) by 100g GY 285 epoxy resin, 40g 2-aminoethyl sulfonic acid, 200g deionized water and 2g surfactant
L-44 mixing puts in three-necked bottle, reacts 5 hours, react complete and i.e. can get the water that solid content is 40% at temperature is 60 DEG C
Property epoxy resin.
(2) by modified aqueous epoxy resin 30g, GY 285 epoxy resin 100g of synthesis in step (1), defoamer
BYK066 3g, toluene 30g, levelling agent EFKA3777 2g, dispersant B YK-P105 2g, iron oxide black 8g, calcium carbonate 60g, put
Mix homogeneously in massing machine；Add Aradur115-3 polyamide curing agent 56g, use massing machine mix homogeneously,
Obtain cement concrete basal plane protective treatment aqueous epoxy coating.After cured at room temperature 14 days, test obtains floor coatings
Pencil hardness is 3H；Wearability is 0.025, and resistance to impact is II grade, 1000g steel ball, high 100cm film flawless, without peeling off
(method of testing is all with described in embodiment 1).
Above-described embodiment is the present invention preferably embodiment, but embodiments of the present invention are not by above-described embodiment
Limit, the change made under other any spirit without departing from the present invention and principle, modify, substitute, combine, simplify,
All should be the substitute mode of equivalence, within being included in protection scope of the present invention.
Claims (10)
1. the aqueous epoxy coating containing 2-aminoethyl sulfonic acid modified epoxy, it is characterised in that include following mass parts meter
Component:
Described 2-aminoethyl sulfonic acid modified aqueous epoxy resin, is prepared by the method comprised the following steps: by asphalt mixtures modified by epoxy resin
Fat, 2-aminoethyl sulfonic acid, water and surfactant mixing, react 3～10 hours at 25～60 DEG C, obtain 2-aminoethyl sulfonic acid and change
Property aqueous epoxy resins.
Aqueous epoxy coating containing 2-aminoethyl sulfonic acid modified epoxy the most according to claim 1, it is characterised in that:
In the preparation method of described 2-aminoethyl sulfonic acid modified aqueous epoxy resin, each component is in parts by mass: epoxy resin: 100
Part；2-aminoethyl sulfonic acid: 3～50 parts；Water: 50～200 parts；Surfactant: 0.5～3 part.
Aqueous epoxy coating containing 2-aminoethyl sulfonic acid modified epoxy the most according to claim 1, it is characterised in that:
In the preparation method of described 2-aminoethyl sulfonic acid modified aqueous epoxy resin, each component is in parts by mass: epoxy resin: 100
Part；2-aminoethyl sulfonic acid: 10～30 parts；Water: 100～200 parts；Surfactant: 1～2 part.
Aqueous epoxy coating containing 2-aminoethyl sulfonic acid modified epoxy the most according to claim 1, it is characterised in that:
Described epoxy resin is at least one in bisphenol A type epoxy resin and bisphenol f type epoxy resin；
Described surfactant is selected from octyl phenol polyoxyethylene-type surfactant, Nonyl pheno type surface activity
Agent, allyl polyethenoxy ether type surfactant, propylene glycol block polyether type surfactant and quaternary surface activity
At least one in agent.
Aqueous epoxy coating containing 2-aminoethyl sulfonic acid modified epoxy the most according to claim 4, it is characterised in that:
Described octyl phenol polyoxyethylene-type surfactant includes Surfactant OP-10；Described Nonyl pheno type table
Face activating agent includes surfactant NP-5；Described allyl polyethenoxy ether type surfactant includes surfactant
F8a；Described propylene glycol block polyether type surfactant includes surfactant L-44；Described quaternary surface activity
Agent includes tetrabutyl ammonium bromide.
Aqueous epoxy coating containing 2-aminoethyl sulfonic acid modified epoxy the most according to claim 1, it is characterised in that:
The structure such as formula (1) of described 2-aminoethyl sulfonic acid modified aqueous epoxy resin represents:
Wherein R is H or CH3；N is 1～10.
Aqueous epoxy coating containing 2-aminoethyl sulfonic acid modified epoxy the most according to claim 1, it is characterised in that:
Described firming agent is at least one in aliphatic polyamine, polyamide, aliphatic cyclic amine, polyetheramine and relevant modified amine thereof；
Described defoamer is polysiloxane-based defoamer；
Described reactive diluent is (+)-2,3-Epoxy-1-propanol ether compound；
Described levelling agent is fluorine carbon levelling agent；
Described pigment is organic or mineral-type pigment；
Described accelerator includes at least one in tertiary amine, quaternary amine, organic base and lewis acid.
Aqueous epoxy coating containing 2-aminoethyl sulfonic acid modified epoxy the most according to claim 1, it is characterised in that:
Described defoamer is the defoamer BYK066 of Germany Bi Ke；
Described reactive diluent includes epoxy propane butyl ether, C12～C14 fatty alcohol glycidyl ether, expoxy propane phenyl
At least one in ether and expoxy propane benzylic ether；
Described levelling agent is EFKA3777；
Described dispersant is at least one in BYK-P104, BYK-P105 and BYK163 of BYK company of Germany；
Described pigment includes at least in titanium dioxide, white carbon black, phthalocyanine, chrome yellow, everbright fast yellow, iron oxide red and iron oxide black
Kind；
Described filler is at least one in Kaolin, quartz sand, Pulvis Talci and calcium carbonate；
Described accelerator is at least one in 2-methylimidazole and 2,4,6-tri-(dimethylamino methyl) phenol.
9. the aqueous epoxy coating containing 2-aminoethyl sulfonic acid modified epoxy described in an any one of claim 1～8
Preparation method, it is characterised in that comprise the following steps: by described component mix homogeneously, i.e. obtains containing 2-aminoethyl sulfonic acid modification ring
The aqueous epoxy coating of epoxy resins.
10. the aqueous epoxy coating containing 2-aminoethyl sulfonic acid modified epoxy described in any one of claim 1～8 is at cement
Application in concrete surface protective treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610651267.6A CN106221509A (en) | 2016-08-10 | 2016-08-10 | A kind of cement concrete basal plane protective treatment aqueous epoxy coating and preparation method |
Applications Claiming Priority (1)
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| CN106916514A (en) * | 2017-04-19 | 2017-07-04 | 重庆市智翔铺道技术工程有限公司 | A kind of aqueous wear-resistant coating and preparation method thereof |
| CN108275901A (en) * | 2018-02-02 | 2018-07-13 | 北京弋宸时代科技有限公司 | A kind of surface strengthening material of cement concrete road surface and preparation method thereof |
| CN108332846A (en) * | 2018-01-03 | 2018-07-27 | 东南大学 | Flush type sonac in a kind of cement concrete constructions |
| CN108675692A (en) * | 2018-05-03 | 2018-10-19 | 广州挚业化工有限公司 | A kind of fast solidification water epoxy concrete repair paint and preparation method thereof |
| WO2020133353A1 (en) * | 2018-12-29 | 2020-07-02 | 万华化学集团股份有限公司 | Preparation method for emulsifier, emulsifier, aqueous epoxy resin dispersion and formulation method |
| CN113881308A (en) * | 2021-09-22 | 2022-01-04 | 无锡绿环交通科技有限公司 | Single-component second-order reaction water-based epoxy closed emulsion for bridge deck concrete |
| CN117567697A (en) * | 2024-01-16 | 2024-02-20 | 广州市克来斯特建材科技有限公司 | Preparation method of multifunctional concrete curing agent |
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| CN106916514A (en) * | 2017-04-19 | 2017-07-04 | 重庆市智翔铺道技术工程有限公司 | A kind of aqueous wear-resistant coating and preparation method thereof |
| CN108332846A (en) * | 2018-01-03 | 2018-07-27 | 东南大学 | Flush type sonac in a kind of cement concrete constructions |
| CN108275901A (en) * | 2018-02-02 | 2018-07-13 | 北京弋宸时代科技有限公司 | A kind of surface strengthening material of cement concrete road surface and preparation method thereof |
| CN108675692A (en) * | 2018-05-03 | 2018-10-19 | 广州挚业化工有限公司 | A kind of fast solidification water epoxy concrete repair paint and preparation method thereof |
| WO2020133353A1 (en) * | 2018-12-29 | 2020-07-02 | 万华化学集团股份有限公司 | Preparation method for emulsifier, emulsifier, aqueous epoxy resin dispersion and formulation method |
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| CN113881308A (en) * | 2021-09-22 | 2022-01-04 | 无锡绿环交通科技有限公司 | Single-component second-order reaction water-based epoxy closed emulsion for bridge deck concrete |
| CN117567697A (en) * | 2024-01-16 | 2024-02-20 | 广州市克来斯特建材科技有限公司 | Preparation method of multifunctional concrete curing agent |
| CN117567697B (en) * | 2024-01-16 | 2024-03-15 | 广州市克来斯特建材科技有限公司 | Preparation method of multifunctional concrete curing agent |
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Application publication date: 20161214 |