CN105777045A - Permeable interface coating treatment construction method in humid environment - Google Patents
Permeable interface coating treatment construction method in humid environment Download PDFInfo
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- CN105777045A CN105777045A CN201610082276.8A CN201610082276A CN105777045A CN 105777045 A CN105777045 A CN 105777045A CN 201610082276 A CN201610082276 A CN 201610082276A CN 105777045 A CN105777045 A CN 105777045A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
Abstract
The invention discloses a permeable interface coating treatment construction method in a humid environment.The method comprises the following steps that the concrete surface is polished to enable concrete to be dry; permeable pretreatment is performed with a permeable lithium-based concrete dense curing agent, an interface agent is applied, that is, a permeable double-component waterborne bonding agent is applied, and then flexible coating protection is performed on an interface agent layer, wherein the permeable double-component waterborne bonding agent is mainly prepared from a component A and a component B of the same mass, and the component A is mainly prepared from emulsion, an acid-base regulating agent, a dispersing agent, a wetting agent, an antifreezing agent, a defoaming agent, a preservative, a mouldproof or algae-proof agent, a thickening agent, a flatting agent and water; the main processes comprise dispersing, defoaming, thickening associating and flatting.The permeable lithium-based concrete dense curing agent reacts with a large quantity of semi-hydrated cement, free lime and calcium in the concrete to form permanent gel, and then a dust-free and compact entirety is obtained.The double-component waterborne bonding agent can permeate into the concrete through the two-way bonding effect and is closely combined with an outer coating.
Description
Technical field
The present invention relates to chemical building material technical field and concrete surface processing technology field, particularly osmosis type interface processing coating construction method under a kind of wet environment, including: a kind of osmosis type lithio concrete compaction firming agent and preparation method thereof, a kind of double-component aqueous bonding agent of osmosis type and preparation method thereof.And processed construction method (polishing+dry+infiltration pretreatment+interfacial agents application+flexible protective coating) by the interface agent coating construction technology improving cementability between external coating and concrete surface that both materials are composite tie layer and compound interface coating.
Background technology
Concrete, referred to as " concrete ": refer to the general designation of the engineered composite material being cemented to entirety by Binder Materials by gathering materials.Concrete one word generally said refers to makes Binder Materials with cement, and sand, masonry gather materials.Coordinate by a certain percentage with water (can containing additive and admixture), the agitated and cement concrete that obtains.
Concrete is gathered materials by the graininess of different-grain diameter and cement-hydrate forms.When carrying out concrete construction, the chemical reaction of the composition of cement and water generation series of complex, generate hard hydrate.The essential mineral composition of portland cement is: tricalcium silicate, dicalcium silicate, tricalcium aluminate, tetra calcium aluminoferrite (C3S、C2S、C3A、C4AF), tricalcium silicate major decision the intensity of portland cement, and hydrate decides the fundamental strength of Behavior of Hardened Cement Paste with the bonding ability of bonding of surface of aggregate.Cement therein gathers materials fill cemented together, forms the significantly high structure of comprcssive strength, has the advantage such as economy, durable, fire-resistant, high pressure resistance energy.But due in microstructure in the process of hardening of cement containing the pore that is mutually communicated in a large number, the water in mixture concrete hardening and dry time evaporate precipitation gradually, thus forming substantial amounts of pore in the position originally occupied.The water added is more many, and capillary tube is more many, and porosity is more big, and concrete performance reduces more severe.
Chemical substance in environment such as villaumite, carbon dioxide, sulfur dioxide and nitrogen oxide etc. enter inside concrete with moisture by pore; usually can cause alkali; cause that volume of concrete expands; go back the reinforcing bar in corrosion structure simultaneously; xoncrete structure is made to be subject to deterioration, destroy; cause decrease in strength, badly influence the safety of xoncrete structure, shorten concrete service life.
The impermeability of xoncrete structure is not enough, and serviceability and life-span are more susceptible to the corrosion of harmful substance, and the easy dusting in surface, decrease in strength, easily abrasion, unsightly, serviceability is dramatic drop-off in time.Comprehensive concrete deterioration mechanism, extraneous water penetration corrodes and accounts for main cause, and water is also the carrier that corrosive medium (such as villaumite, sulfate etc.) migrates in concrete, is the Transfer Medium destroying material, is again destroy the essential condition occurred.
Therefore, to carrying out the measure of being effectively protected inside and outside concrete to improve the density of xoncrete structure, reduce water permeability, concrete durability and service life can be significantly improved.
Osmosis type lithio concrete compaction firming agent is different from general concrete curing sealing agent: the hardness of the closely knit firming agent of lithio is much larger than general concrete dense curing agent.On the other hand in glossiness, the gloss of general closely knit firming agent is drizzly, the cries of a crow, then can limpid reveal the exact details in the surface that the closely knit firming agent of lithio is worked it out.The density of the closely knit firming agent of lithio is good, and resistance to greasy dirt performance is higher than general closely knit firming agent.
The interfacial agents used in current concrete repair engineering mostly is double-component oiliness epoxy material.In conventional engineering, result of use is good.But because this kind of interfacial agents belongs to oily material, the concrete surface applied must keep dry without open fire, if inside concrete water content is relatively big, simply surface is air-dry, then have to pass through the baking concrete surface long period of heating and could brush this kind of interfacial agents.If inside concrete constant humid, even across air-dry and baking, moisture is also be difficult to eliminate, and will certainly affect the adhesive strength of face coat, difficult quality guarantee in such situation.Above-mentioned situation, processes even with double-component aqueous moist-type interfacial agents, still can run into many technologic problems.Therefore, when processing moist concrete defect, it is necessary to design the double-component aqueous bonding interface agent of quick, convenient, succinct new osmosis type.
Summary of the invention
It is an object of the invention to provide osmosis type interface processing coating construction method under a kind of wet environment, in this method, two-way bonding effect should penetrate into inside concrete well, to be also tightly combined with external coating simultaneously.
Osmosis type interface processing coating construction method under a kind of wet environment: including: (polishing+dry+infiltration pretreatment+interfacial agents application+flexible protective coating).
It is under the relative humidity execution conditions more than 75% at concrete surface layer environment, strength grade is can strengthen self compaction rate concrete after the concrete surface of C30 is processed by osmosis type lithio concrete compaction firming agent, improve the density on concrete top layer, the cementability between external coating and concrete is added further through novel interfacial material (a kind of double-component aqueous bonding agent of osmosis type), both effects combine, it is possible to solve concrete and external coating under wet environment well and be difficult to compact problem.Under a kind of wet environment, osmosis type interface processing coating construction method construction method flow process is:
1) delimit concrete surface scope to be processed, indicate process border with the number of writing pen.
2) polishing: use angle grinding machine polishing concrete surface, remove surface carbonation layer.Boudary portion is polished into receipts limit flute profile, average grinding depth 2mm.Use the concrete surface after high pressure air pressure gun or hydraulic giant cleaning polishing, until clean surface is without dirt.
3) dry: if concrete surface is moist, the mode of surface blowing or heating, drying need to be adopted to make concrete surface keep dry, within keeping 4 hours, Surface layer's concrete moisture content is maintained at 3～4%.
4) infiltration pretreatment: first the concrete surface after polishing uses osmosis type lithio concrete compaction firming agent that concrete is processed, brush with hairbrush or spray gun, in 2 hours, point 3 brushings (interval time is not particularly limited), brush total consumption 0.5kg/m for 3 times2.After brushing osmosis type lithio concrete compaction firming agent, concrete surface darkens, osmosis type lithio concrete compaction firming agent penetrates into inside concrete (degree of depth is 5mm～8mm), apparent upper concrete thickness is unchanged, concrete surface is micro-wet condition, the internal chemical change continuing complexity.Osmosis type lithio its operation principle of concrete compaction firming agent is substantial amounts of half hydrated cement with concrete, free lime, calcium generation chemical reaction (the sustained response time is about 60-90 days) forms a kind of permanent gels, and this gel can crystallize into hard wear resistant tissue at the inside concrete processed.Thus obtaining dustless, a fine and close entirety.It is 0% that itself and concrete react the chemical product content of volatile organic compound generated, pH value 8.7.
Material previously treated (osmosis type lithio concrete compaction firming agent) can penetrate into inside concrete, concrete surface layer is made to have higher hardness, and form crystallization water barrier with concrete material, both improve the compaction rate of Surface layer's concrete on the one hand, improve its comprcssive strength, internal moisture can also be stoped on the other hand to permeate to top layer, so that concrete surface layer has comparatively dry apparent condition, provide good construction environment for follow-up brushing interfacial agents.
5) interfacial agents application: use hairbrush at the concrete surface double-component aqueous bonding agent of brushing osmosis type processed through osmosis type lithio concrete compaction firming agent, brushed for 1 time in 1 hour, consumption 0.3kg/m2。
The brushing time started is in after brushing osmosis type lithio concrete compaction firming agent 6 hours.The double-component aqueous bonding agent of osmosis type has high permeability, it is possible to penetrate into inside concrete 1mm～8mm degree of depth, and the double-component aqueous bonding agent of osmosis type can have higher adhesive strength with concrete and face coat (flexible protective coating) simultaneously.The double-component aqueous bonding agent of osmosis type applies 4 hours can reach initial cure, and after initial cure, adhesive strength is 1.0MPa, and 5 day time reached to be fully cured, and being fully cured rear adhesive strength is 2.5MPa.
Novel interfacial agent not only has good adhesive effect at dry concrete surface, and can temper, it is possible to carry out application on the concrete surface that humidity has a small amount of open fire.Novel interfacial agent is good at moisture but without open fire concrete surface adhesive effect, and when the moisture content of Surface layer's concrete is close to 75%, its adhesive strength still can be maintained close to 1.5MPa.
6) flexible protective coating (external coating): after above treatment process, adopts the method brushing flexible protective coating of blade coating or spraying, makes the average thickness of protective coating reach 2-2.5mm, and concrete is processed borderline region and receives limit groove and tamp and fill up by flexible paint.
Flexible protective coating can be the known flexible materials such as carbamide paint.
Self compaction rate concrete is strengthened by above-mentioned osmosis type material previously treated, improve concrete globality, the cementability between external coating and concrete is added again further through novel interfacial material, both effects combine, it is possible to solve concrete and external coating under wet environment well and be difficult to compact problem.
A kind of osmosis type lithio concrete compaction firming agent used in said method and preparation method thereof.
A kind of osmosis type lithio concrete compaction firming agent is mainly by: Ludox 24～58 parts, a hydronium(ion) lithium oxide 1～3 part, the first wetting dispersing agent 0.005～0.55 part, the second wetting dispersing agent 0.005～0.55 part, the 3rd defoamer 0.01～1.1 part, the first impervious agent 0.005～0.55 part, the second impervious agent 0.005～0.55 part, stabilizer 0.002～10 part, accelerator 0.01～1 part and what water 25-76 part was made.
Described part is mass parts.
A kind of its manufacture method of osmosis type lithio concrete compaction firming agent:
The first, it is dissolved in water by a hydronium(ion) lithium oxide 1～3 part 25-76 part, puts in reactor and stir 15 minutes.
The second, then Ludox 24～58 parts is divided into two parts according to quality, add in two steps in the mixture that the first step obtains, first 15 minutes used times add first part of Ludox, then stirring 10 minutes, 20 minutes used times added second part of Ludox again, it is stirred for continuing 3 hours, obtains Lithium metasilicate colloidal sol.
3rd, the first wetting dispersing agent 0.005～0.55 part, the second wetting dispersing agent 0.005～0.55 part, the 3rd defoamer 0.01～1.1 part, the first impervious agent 0.005～0.55 part, the second impervious agent 0.005～0.55 part, stabilizer 0.002～10 part and accelerator 0.01～1 part it are sequentially added into more under stirring.Next component can be added after uniformly when a component disperses or dissolves, after all components is uniformly dispersed, continue stirring 60～90 minutes, obtain osmosis type lithio concrete compaction firming agent,
First, second, and third reaction kind temperature all controls at 40 ° of C ± 3 ° C.
Ludox and a hydronium(ion) lithium oxide generate Lithium metasilicate colloidal sol.
Described first wetting dispersing agent and the second wetting dispersing agent are the one in high fluoroalkyl sulfonic acid salt or polyether silicone or fluorocarbon surfactant or its mixture.
Described 3rd defoamer is one or its mixture of silicone based resin system or mineral oil system or polar organic compounds.
Described stabilizer is the one in triethanolamine, glycerol, Pehanorm, low-molecular-weight polyethylene glycol or its mixture.
Described first impervious agent and the second impervious agent are the one in polysiloxane emulsion or sodium methyl silicate or its mixture.
Described accelerator is sodium metaaluminate or potassium metaaluminate.
Described Lithium metasilicate colloidal sol can also adopt Ludox or silicic acid to react with Lithium hydrate and prepare.
Double-component aqueous bonding agent of a kind of osmosis type used in said method and preparation method thereof is:
A kind of double-component aqueous bonding agent of osmosis type, mainly by component A and what B component was made according to mass ratio 1:1.
Described component A is mainly by emulsion 25～45 parts, acid-base modifier 0.1～0.2 part, dispersant 0.3～0.55 part, wetting agent 0.1～0.2 part, antifreeze 3～10 parts, the first defoamer 0.1～0.7 part, the second defoamer 0.1～0.7 part, preservative 0.1～0.2 part, and 2～6 parts of water and 3～9 parts of the water of second time use that mildew-resistant/algaecide 0.1～0.2 part, thickening agent 0.3～0.6 part, levelling agent 0.6～1.2 part, first time use are made.
Number described in the technical program is mass fraction.
Described B component is a kind of firming agent, is also a kind of emulsion form material.
Wherein said component A undertakies being in harmonious proportion by various raw materials, undertaken disperseing by high speed dispersor, froth breaking, thickening are formed and, the operation such as levelling is made.
Component A, B component, the quality proportioning of the two is 1:1, respectively packing and storing.Use middle that two components of A, B are formulated with the mediation of 1:1 ratio at the construction field (site), be used while allocating.Use only need to by A, B component at the construction field (site) in addition mixing and stirring can apply after standing 5～10 minutes.
A kind of manufacture method of the double-component aqueous bonding agent of osmosis type:
Make component A:
Be mainly dispersion, froth breaking, thickening form and, levelling.
Concretely comprise the following steps and first will dose 2～6 parts of the water (water that first time uses) of cleaning in high speed dispersor reactor, start high speed dispersor, rotating speed is adjusted to 400 revs/min, free-runing operation 2 minutes.It is then slowly added into emulsion 25～45 parts and starts dispersion, stirring (dosing the process used time 5 minutes, keep rotating speed 400 revs/min).
Dose acid-base modifier 0.1～0.2 part subsequently, then by dispersant 0.3～0.55 part, wetting agent 0.1～0.2 part, antifreeze 3～10 parts, the first defoamer 0.1～0.7 part, preservative 0.1～0.2 part, mildew-resistant/algaecide 0.1～0.2 part slowly puts into high speed dispersor reactor successively and disperses, whole dose the process used time 10 minutes, rotating speed 400 revs/min.(in this process, the interpolation time for every kind of raw material is not particularly limited).
By the time above raw material is all dosed complete, and by 400 revs/min, rotating speed is increased to 1200 revs/min, operates 30 minutes, then rotating speed is adjusted to 600 revs/min, now observe mixed liquor upper surface, it does not have significantly after bubble, then dose the second defoamer 0.1～0.7 part operating 10 minutes.
Continue in scattered process at material, by deployed to thickening agent and levelling agent standby.
3～9 parts of the water that second time uses is equal according to quality, is divided into two parts.
Thickening agent 0.3～0.6 part first part of water of addition is in harmonious proportion, dilution.Obtain deployed thickening agent.
Levelling agent 0.6～1.2 part second part of water of addition is in harmonious proportion, dilution.Obtain deployed levelling agent.
To dose that the second defoamer operates high speed dispersor rotational speed regulation after 10 minutes be 400 revs/min aforesaid, was slowly added to deployed thickening agent with 10 minutes, more slowly added deployed levelling agent with 10 minutes.
By observing liquid surface, when obvious gloss occurs in mixed liquor upper surface, the mode of interim observation can be adopted to determine whether to shut down.The mode of interim observation is the ordinary skill in the art.
After observed result meets requirement, dispersion impeller is proposed liquid level, clear up card salvage stores, after standing 3 hours, component A is gone out still and package spare.
The component A that produced is sealed and preserves, A, B component is packed pairing respectively with the ratio of mass ratio 1:1, standby.
In using only need to by A, B component at the construction field (site) in addition mixing and stirring can apply.
Commercially available existing osmosis type lithio concrete compaction firming agent can also be used.
Percent described in literary composition is mass percent.
The technical program includes two kinds of methods: one protects coating process in advance for concrete, and another kind is repairing concrete crack processing method.
Have an advantage in that:
1, the double-component aqueous bonding agent of osmosis type at relative humidity more than in the construction environment of 75%, the concrete surface that strength grade is C30 requires over the cementability that osmosis type boundary material adds between external coating and concrete, this two-way bonding effect should penetrate into inside concrete well, also to be tightly combined with external coating simultaneously, its construction method can not be loaded down with trivial details simultaneously, should be simple and practical, it is simple to operation.Its hardening time of the double-component aqueous bonding agent of osmosis type is short compared with oiliness firming agent, within 4 hours, can reach initial cure, and after initial cure, adhesive strength is 1.0MPa, and 5 day time reached to be fully cured, and being fully cured rear adhesive strength is 2.5MPa.Novel interfacial agent not only has good adhesive effect at dry concrete surface, and can temper, it is possible to carry out application on the concrete surface that humidity has a small amount of open fire.Novel interfacial agent is good at moisture but without open fire concrete surface adhesive effect, and when the moisture content of Surface layer's concrete is close to 75%, its adhesive strength still can be maintained close to 1.5MPa.
, osmosis type lithio its manufacture method of concrete compaction firming agent be mainly dispersion, dissolve, reaction temperature controls to control at 40 ° of C ± 3 ° C in reaction temperature.Its outward appearance is the water white transparency chemistry aqueous formulation of a kind of activity, is made up of inorganic matter, chemically reactive substance and complex, easy to use, nontoxic, do not fire, and the adsorptivity of concrete surface can be made to reduce, dust-proof and hard wear resistant.Its operation principle is substantial amounts of half hydrated cement with concrete, free lime, calcium generation chemical reaction (the sustained response time is about 60-90 days), forms a kind of permanent gels, and this gel can crystallize into hard wear resistant tissue at the inside concrete processed.Thus obtaining dustless, a fine and close entirety.
Osmosis type lithio concrete compaction firming agent is easy to use, nontoxic for this, do not fire, and the adsorptivity of concrete surface can be made to reduce, dust-proof and hard wear resistant.Containing active silicic acid radical ion in this osmosis type lithio concrete compaction firming agent, when it is sprayed or spreads upon concrete surface, effective ingredient penetrates into rapidly inside concrete, become the free calcium ions of calcium silicates to react generation calcium silicate hydrate (C-S-H) with unreacted in concrete, and in the space such as this newly-generated C-S-H metacolloid pore being mostly filled in former xoncrete structure, add the compactness of structure, concrete surface layer is made to form heavily fortified point sealing entity as rock, it is greatly enhanced intensity and the wearability on xoncrete structure top layer, thus it is persistently dust-proof to obtain concrete surface, anti-skidding, wear-resisting, hard, resistance to compression, impervious, weathering resistance, chemical resistance, the effects such as light and environmental protection, substantially prolongs service life.Can help to alleviate the alkali silicon matter of Concrete SR untoward reaction.Lithio molecular dimension is less, advantageously forms more low viscous solution, and therefore permeability is better.Lithio molecule also has wider array of distribution of particles in by concrete absorption process, can propagate evenly within the scope of length of penetration, rather than is gathered in surface or in infiltration bosom.Osmosis type lithium based concrete sealing solidifying agent can largely reduce or avoid the hair shape crackle of concrete and abrasion-resistant ground, comprcssive strength and the wearability of concrete and abrasion-resistant ground can be improved to a greater extent, the common fault that the accumulation of salt in the surface soil turns white can be avoided the occurrence of, in construction, decrease clear water rinse the cumbersome process of basal plane.
3, construction method (polishing+dry+infiltration pretreatment+interfacial agents application+flexible protective coating) is processed with described bi-material for a kind of compound interface coating relied on.Improve the safety of xoncrete structure, extend concrete service life.
Accompanying drawing explanation
Fig. 1 is the structural representation of the pre-protective coating of concrete.
Fig. 2 is the structural representation that repairing concrete crack processes.
Fig. 3 is the list of ingredients of a kind of osmosis type lithio concrete compaction firming agent and preparation method thereof.
Detailed description of the invention
Embodiment 1
One protects coating process in advance for concrete.
Concrete protects coating process in advance: in order to effectively protect xoncrete structure; reduce the external environment destruction to concrete surface, slow down concrete carbonization infringement, promote Surface Quality of Concrete; it is generally adopted the processing mode that composite coating protects in advance, its method flow following (see schematic diagram 1):
1) delimit a boundary line.
2) polishing: use grinding machine polishing concrete 4 surface, angle, remove surface carbonation layer.Boudary portion is polished into receipts limit flute profile, average grinding depth 2mm.Use concrete 4 surface after the cleaning polishing of high pressure air pressure gun, until clean surface is without dirt.
3) dry: if concrete 4 surface moisture, the mode dried in surface need to being adopted to make concrete 4 surface keep dry, within keeping 4 hours, Surface layer's concrete moisture content is maintained at 3～4%.
4) infiltration pretreatment: first concrete 4 surface after polishing uses osmosis type lithio concrete compaction firming agent that concrete 4 is processed, and brushes with hairbrush, in 2 hours, point 3 brushings, brush total consumption 0.5kg/m for 3 times2。
Form infiltration pretreatment layer 1.
5) interfacial agents application: use hairbrush at the concrete 4 double-component aqueous bonding agent of external coating osmosis type processed through osmosis type lithio concrete compaction firming agent, brushed for 1 time in 1 hour, consumption 0.3kg/m2。
The brushing time started is in after brushing osmosis type lithio concrete compaction firming agent 6 hours.
Form interfacial agents coating layer 2.
6) flexible protective coating (external coating): after above treatment process, adopts the method brushing flexible protective coating 3 of blade coating, makes the average thickness of flexible protective coating 3 reach 2mm, and concrete 4 is processed borderline region and receives limit groove and tamp and fill up by flexible paint.Form flexible protective coating 3.
Flexible protective coating 3 can be polyurea materials layer.
A kind of osmosis type lithio concrete compaction firming agent and preparation method thereof, the raw material model of use is specifically shown in Fig. 3.
A kind of osmosis type lithio concrete compaction firming agent is mainly by: Ludox 40kg, a hydronium(ion) lithium oxide 2kg, the first wetting dispersing agent 0.2kg, the second wetting dispersing agent 0.2kg, the 3rd defoamer 0.5kg, the first impervious agent 0.2kg, the second impervious agent 0.2kg, stabilizer 5kg, accelerator 0.5kg and what water 50kg was made..
A kind of its manufacture method of osmosis type lithio concrete compaction firming agent:
The first, it is dissolved in water by a hydronium(ion) lithium oxide 2kg 50kg, puts in reactor and stir 15 minutes.
The second, then according to quality, Ludox 40kg being divided into two parts, add in the mixture that the first step obtains in two steps, first 15 minutes used times add first part of Ludox, then stirring 10 minutes, 20 minutes used times added second part of Ludox again, were stirred for continuing 3 hours, obtained Lithium metasilicate colloidal sol.
3rd, the first wetting dispersing agent 0.2kg, the second wetting dispersing agent 0.2kg, the 3rd defoamer 0.5kg, the first impervious agent 0.2kg, the second impervious agent 0.2kg, stabilizer 5kg and accelerator 0.5kg it are sequentially added into more under stirring.Next component can be added after uniformly when a component disperses or dissolves, after all components is uniformly dispersed, continue stirring 70 minutes, obtain osmosis type lithio concrete compaction firming agent,
First, second, and third reaction kind temperature all controls at 40 ° of C ± 3 ° C.
A kind of double-component aqueous bonding agent of osmosis type:
Mainly by component A and what B component was made according to mass ratio 1:1.
Described component A is mainly by emulsion 35.6kg, acid-base modifier 0.15kg, dispersant 0.4kg, wetting agent 0.15kg, antifreeze 3.5kg, the first defoamer 0.3kg, the second defoamer 0.2kg, preservative 0.15kg, and water 2.6kg and the water 2.6kg of second time use that mildew-resistant/algaecide 0.15kg, thickening agent 0.4kg, levelling agent 0.8kg, first time use are made.
Described B component is a kind of firming agent, is also a kind of emulsion form material.
It consists of component A, B component, and the quality proportioning of the two is 1:1, respectively packing and storing.Use middle that two components of A, B are formulated with the mediation of 1:1 ratio at the construction field (site), be used while allocating.Use only need to by A, B component at the construction field (site) in addition mixing and stirring can apply after standing 5～10 minutes.
A kind of manufacture method of the double-component aqueous bonding agent of osmosis type:
First will dose water (water that first time uses) clean for 3kg in high speed dispersor reactor, and start high speed dispersor, rotating speed is adjusted to 400 revs/min, free-runing operation 2 minutes.It is subsequently adding emulsion 35.6kg and starts dispersion, stirring (dosing the process used time 5 minutes, keep rotating speed 400 revs/min).
Dose acid-base modifier 0.15kg subsequently, then by dispersant 0.4kg, wetting agent 0.15kg, antifreeze 3.5kg, the first defoamer 0.3kg, preservative 0.15kg, mildew-resistant/algaecide 0.15kg puts into high speed dispersor reactor successively to be disperseed, whole dose the process used time 10 minutes, rotating speed 400 revs/min.
By the time above raw material is all dosed complete, by 400 revs/min, rotating speed is increased to 1200 revs/min, and after operating 30 minutes, rotating speed is adjusted to 600 revs/min, now observes mixed liquor upper surface, after there is no obvious bubble, then dose the second defoamer 0.2kg operating 10 minutes.
Continue in scattered process at material, by deployed to thickening agent and levelling agent standby.Weigh the water of 5.2kg that second time uses in advance, be equally divided into two parts, weigh the thickening agent of 0.4kg join in the water of 2.6kg be in harmonious proportion, dilution.Obtain deployed thickening agent.
The water weighing the levelling agent 2.6kg of 0.8kg is in harmonious proportion, dilutes.Obtain deployed levelling agent.
To dose that the second defoamer 0.2kg operates high speed dispersor rotational speed regulation after 10 minutes be 400 revs/min aforesaid, deployed thickening agent is added with 10 minutes, within 10 minutes, add deployed levelling agent equally more afterwards, when dosing deployed thickening agent and levelling agent, increase along with amount of filling, mixed liquor can become thickness, and machine rotational speed slowly can decline because the viscosity of mixed liquor increases, and at this moment needs to regulate frequency modulation button and revolution is maintained at 400 revs/min.
By observing liquid surface, when obvious gloss occurs in mixed liquor upper surface, the mode of interim observation can be adopted to determine whether to shut down.
Concrete grammar is for be adjusted to 0 rev/min (regulating time is 10s) by rotating speed from 400 revs/min, keep stop state 2 minutes, observe liquid surface state, namely can be considered meet the requirements if liquid surface rapid levelling in 20 seconds is a horizontal plane, when repeating 400～0 revs/min of these adjustment processes 3 times, all observe that identical result can stop high speed dispersor every time.Dispersion impeller is proposed liquid level, clears up card salvage stores, after standing 3 hours, component A is gone out still and package spare.
The component A that produced is sealed and preserves, A, B component is packed pairing respectively with the ratio of mass ratio 1:1, standby.
In using only need to by A, B component at the construction field (site) in addition mixing and stirring can apply.
In the present embodiment 1-3, the raw material of component A and B component is as follows:
Emulsion in described component A is a kind of Bluish white aqueous polyurethane emulsion, and its specifications and models are A2651 emulsion, and supplier is Qingdao Hua Ling chemical products company limited.
Emulsion in described B component is a kind of white polyurethane cross-linking agent emulsion, and its specifications and models are XP2655, and supplier is (Shanghai) Bayer Trade Co., Ltd. of Germany.
Acid-base modifier in described component A is a kind of multifunctional assistant, and its specifications and models are AMP-95.This multifunctional assistant contains the moisture content of 5%, is that current minority has one of low-molecular-weight and overbasic industry amine, and its supplier pacifies Grass GmbH for Angus().
Dispersant in described component A is Hydrophilic dispersant, and its specifications and models are GA40, and its supplier is vapour Bagong department.Wetting agent in described component A is the one in polyether silicone surfactants, and its specifications and models are 436.Supplier is Henkel(Henkel KGaA company).Antifreeze in described component A is propylene glycol, and its specifications and models are P.G, and supplier is Local(Rhodia Inc).
Defoamer in described component A has two kinds, is one or its mixture of silicone based resin system or mineral oil system.Wherein the first defoamer is B199 defoamer, and supplier is Bi Ke company of BYK(Germany), the second defoamer is 154 defoamer, and supplier is Henkel(Henkel KGaA company).
Preservative, mildew-resistant/algaecide in described component A are isothiazolinone biocide medicine, and wherein preservative is light yellow transparent liquid, and specifications and models are KathonLXE, and supplier is Rhom and Hass of the Rohn&Hass(U.S.).
Mildew-resistant/algaecide in described component A is a kind of dry film mildew-resistant/algaecide, is the dispersion of a kind of high stability, and without organic solvent and VOC, for a kind of transparency liquid, specifications and models are DF19, and supplier is Shu Mei company of S&M(Germany).
Thickening agent in described component A is the Polyacrylate thickeners of the non-Newtonian of high thixotroping, high thickening, and specifications and models are AT-90, and supplier is Beijing Qi Fei development in science and technology company limited.
Levelling agent in described component A is hydrophilic thixotropic agent, has both had levelling effect, has thickening power simultaneously, and its specifications and models are SL681, and supplier is National Starch company limited.
If being that in an embodiment, osmosis type lithio concrete compaction firming agent and the double-component aqueous bonding agent of osmosis type, in painting process, have one of which amount not enough, it is possible to make enough carrying out according to corresponding mass fraction formula and supplement.
Embodiment 2
Repairing concrete crack processing method: in order to reduce the crack 6 of surface crack 6(width 0.1-0.5mm) impact on xoncrete structure, slow down carbonization infringement inside and outside concrete, improve Surface Quality of Concrete, reduce the concrete through freeze-thaw test, the defect such as seepage that cause because surface crack 6 absorbs water, it is generally adopted the processing mode that distress in concrete 6 is repaired, its method flow following (see schematic diagram 2):
1) delimit a boundary line.
2) polishing: use grinding machine polishing concrete 4 surface, angle, remove surface carbonation layer.Boudary portion is polished into receipts limit flute profile, average grinding depth 2mm.Use concrete 4 surface after hydraulic giant cleaning polishing, until clean surface is without dirt.
3) dry: if concrete 4 surface moisture, the mode of surface heating, drying need to being adopted to make concrete 4 surface keep dry, within keeping 4 hours, Surface layer's concrete 4 moisture content is maintained at 3～4%.
4) infiltration pretreatment: first concrete 4 surface after polishing uses osmosis type lithio concrete compaction firming agent that concrete 4 is processed, and brushes with spray gun, in 2 hours, point 3 brushings, brush total consumption 0.5kg/m for 3 times2。
Form infiltration pretreatment layer 1.
5) interfacial agents application: use hairbrush at the concrete 4 double-component aqueous bonding agent of external coating osmosis type processed through osmosis type lithio concrete compaction firming agent, brushed for 1 time in 1 hour, consumption 0.3kg/m2。
The brushing time started is in after brushing osmosis type lithio concrete compaction firming agent 6 hours.
Form interfacial agents coating layer 2.
6) interfacial agents coating layer 2 upper surface above crack 6 pastes 10mm width its material of isolation cloth 5(is chinlon establishment fiber, thickness 0.2mm).
7) flexible protective coating (external coating): after above treatment process, adopts the method brushing flexible protective coating 3 of spraying, and edge average coating thickness 2mm, crack 6 opening part average thickness is 3～4mm.
Concrete 4 is processed borderline region and receives limit groove and tamp and fill up by flexible paint.Form flexible protective coating 3.
Flexible coating can be polyurea materials coating.
A kind of osmosis type lithio concrete compaction firming agent is mainly by: Ludox 24kg, a hydronium(ion) lithium oxide 1kg, the first wetting dispersing agent 0.005kg, the second wetting dispersing agent 0.005kg, the 3rd defoamer 0.01kg, the first impervious agent 0.005kg, the second impervious agent 0.005kg, stabilizer 0.002kg, accelerator 0.01kg and what water 25kg was made..
A kind of its manufacture method of osmosis type lithio concrete compaction firming agent:
The first, it is dissolved in water by a hydronium(ion) lithium oxide 1kg 25kg, puts in reactor and stir 15 minutes.
The second, then according to quality, Ludox 24kg being divided into two parts, add in the mixture that the first step obtains in two steps, first 15 minutes used times add first part of Ludox, then stirring 10 minutes, 20 minutes used times added second part of Ludox again, were stirred for continuing 3 hours, obtained Lithium metasilicate colloidal sol.
3rd, the first wetting dispersing agent 0.005kg, the second wetting dispersing agent 0.005kg, the 3rd defoamer 0.01kg, the first impervious agent 0.005kg, the second impervious agent 0.005kg, stabilizer 0.002kg and accelerator 0.01kg it are sequentially added into more under stirring.Next component can be added after uniformly when a component disperses or dissolves, after all components is uniformly dispersed, continue stirring 60 minutes, obtain osmosis type lithio concrete compaction firming agent.
First, second, and third reaction kind temperature all controls at 40 ° of C ± 3 ° C.
A kind of double-component aqueous bonding agent of osmosis type, mainly by component A and what B component was made according to mass ratio 1:1.
Described component A is mainly by emulsion 25kg, acid-base modifier 0.1kg, dispersant 0.3kg, wetting agent 0.1kg, antifreeze 3kg, the first defoamer 0.1kg, the second defoamer 0.1kg, preservative 0.1kg, and water 2kg and the water 3kg of second time use that mildew-resistant/algaecide 0.1kg, thickening agent 0.3kg, levelling agent 0.6kg, first time use are made.
Described B component is a kind of firming agent, is also a kind of emulsion form material.
It consists of component A, B component, and the quality proportioning of the two is 1:1.
A kind of manufacture method of the double-component aqueous bonding agent of osmosis type:
First will dose water (water that first time uses) clean for 2kg in high speed dispersor reactor, and start high speed dispersor, rotating speed is adjusted to 400 revs/min, free-runing operation 2 minutes.It is subsequently adding emulsion 25kg and starts dispersion, stirring (dosing the process used time 5 minutes, keep rotating speed 400 revs/min).
Dose acid-base modifier 0.1kg subsequently, then by dispersant 0.3kg, wetting agent 0.1kg, antifreeze 3kg, the first defoamer 0.1kg, preservative 0.1kg, mildew-resistant/algaecide 0.1kg puts into high speed dispersor reactor successively to be disperseed, whole dose the process used time 10 minutes, rotating speed 400 revs/min.
By the time above raw material is all dosed complete, by 400 revs/min, rotating speed is increased to 1200 revs/min, and after operating 30 minutes, rotating speed is adjusted to 600 revs/min, now observes mixed liquor upper surface, after there is no obvious bubble, then dose the second defoamer 0.1kg operating 10 minutes.
Continue in scattered process at material, by deployed to thickening agent and levelling agent standby.Weigh the water of 3kg that second time uses in advance, be equally divided into two parts, weigh the thickening agent of 0.3kg join in the water of 1.5kg be in harmonious proportion, dilution.Obtain deployed thickening agent.
The water weighing the levelling agent 1.5kg of 0.6kg is in harmonious proportion, dilutes.Obtain deployed levelling agent.
To dose that the second defoamer 0.1kg operates high speed dispersor rotational speed regulation after 10 minutes be 400 revs/min aforesaid, deployed thickening agent is added with 10 minutes, deployed levelling agent is added afterwards more equally with 10 minutes, when dosing deployed thickening agent and levelling agent, increase along with amount of filling, mixed liquor can become thickness, and machine rotational speed slowly can decline because the viscosity of mixed liquor increases, and at this moment needs to regulate frequency modulation button and revolution is maintained at 400 revs/min.
By observing liquid surface, when obvious gloss occurs in mixed liquor upper surface, the mode of interim observation can be adopted to determine whether to shut down.
Concrete grammar is for be adjusted to 0 rev/min (regulating time is 10s) by rotating speed from 400 revs/min, keep stop state 2 minutes, observe liquid surface state, namely can be considered meet the requirements if liquid surface rapid levelling in 20 seconds is a horizontal plane, when repeating 400～0 revs/min of these adjustment processes 3 times, all observe that identical result can stop high speed dispersor every time.Dispersion impeller is proposed liquid level, clears up card salvage stores, after standing 3 hours, component A is gone out still and package spare.
The component A that produced is sealed and preserves, A, B component is packed pairing respectively with the ratio of mass ratio 1:1, standby.
Embodiment 3
Embodiment 3 is substantially the same manner as Example 1, and it is different in that: the double-component aqueous bonding agent of a kind of osmosis type and the lithio osmosis type lithio concrete compaction firming agent that use be:
A kind of osmosis type lithio concrete compaction firming agent is mainly by: Ludox 58kg, a hydronium(ion) lithium oxide 3kg, the first wetting dispersing agent 0.55kg, the second wetting dispersing agent 0.55kg, the 3rd defoamer 1.1kg, the first impervious agent 0.55kg, the second impervious agent 0.55kg, stabilizer 10kg, accelerator 1kg and what water 76kg was made..
A kind of its manufacture method of osmosis type lithio concrete compaction firming agent:
The first, it is dissolved in water by a hydronium(ion) lithium oxide 3kg 76kg, puts in reactor and stir 15 minutes.
The second, then according to quality, Ludox 58kg being divided into two parts, add in the mixture that the first step obtains in two steps, first 15 minutes used times add first part of Ludox, then stirring 10 minutes, 20 minutes used times added second part of Ludox again, were stirred for continuing 3 hours, obtained Lithium metasilicate colloidal sol.
3rd, the first wetting dispersing agent 0.55kg, the second wetting dispersing agent 0.55kg, the 3rd defoamer 1.1kg, the first impervious agent 0.55kg, the second impervious agent 0.55kg, stabilizer 10kg and accelerator 1kg it are sequentially added into more under stirring.Next component can be added after uniformly when a component disperses or dissolves, after all components is uniformly dispersed, continue stirring 90 minutes, obtain osmosis type lithio concrete compaction firming agent,
First, second, and third reaction kind temperature all controls at 40 ° of C ± 3 ° C.
A kind of double-component aqueous bonding agent of osmosis type, mainly by component A and what B component was made according to mass ratio 1:1.
Described component A is mainly by emulsion 45kg, acid-base modifier 0.2kg, dispersant 0.55kg, wetting agent 0.2kg, antifreeze 10kg, the first defoamer 0.7kg, the second defoamer 0.7kg, preservative 0.2kg, and water 6kg and the water 9kg of second time use that mildew-resistant/algaecide 0.2kg, thickening agent 0.6kg, levelling agent 1.2kg, first time use are made.
Described B component is a kind of firming agent, is also a kind of emulsion form material.
It consists of component A, B component, and the quality proportioning of the two is 1:1, respectively packing and storing.Use middle that two components of A, B are formulated with the mediation of 1:1 ratio at the construction field (site).A kind of manufacture method of the double-component aqueous bonding agent of osmosis type:
First will dose water (water that first time uses) clean for 6kg in high speed dispersor reactor, and start high speed dispersor, rotating speed is adjusted to 400 revs/min, free-runing operation 2 minutes.It is then slowly added into emulsion 45kg and starts dispersion, stirring (dosing the process used time 5 minutes, keep rotating speed 400 revs/min).
Dose acid-base modifier 0.2kg subsequently, then by dispersant 0.55kg, wetting agent 0.2kg, antifreeze 10kg, the first defoamer 0.7kg, preservative 0.2kg, mildew-resistant/algaecide 0.2kg slowly puts into high speed dispersor reactor successively to be disperseed, whole dose the process used time 10 minutes, rotating speed 400 revs/min.
By the time above raw material is all dosed complete, by 400 revs/min, rotating speed is increased to 1200 revs/min, and after operating 30 minutes, rotating speed is adjusted to 600 revs/min, now observes mixed liquor upper surface, after there is no obvious bubble, then dose the second defoamer 0.7kg operating 10 minutes.
Continue in scattered process at material, by deployed to thickening agent and levelling agent standby.Weigh the water of 9kg that second time uses in advance, be equally divided into two parts, weigh the thickening agent of 0.6kg join in the water of 4.5kg be in harmonious proportion, dilution.Obtain deployed thickening agent.
The water weighing the levelling agent 4.5kg of 1.2kg is in harmonious proportion, dilutes.Obtain deployed levelling agent.
To dose that the second defoamer 0.1kg operates high speed dispersor rotational speed regulation after 10 minutes be 400 revs/min aforesaid, it is slowly added to deployed thickening agent with 10 minutes, deployed levelling agent it is slowly added to equally more afterwards with 10 minutes, when dosing deployed thickening agent and levelling agent, increase along with amount of filling, mixed liquor can become thickness, and machine rotational speed slowly can decline because the viscosity of mixed liquor increases, and at this moment needs to regulate frequency modulation button and revolution is maintained at 400 revs/min.
By observing liquid surface, when obvious gloss occurs in mixed liquor upper surface, the mode of interim observation can be adopted to determine whether to shut down.
Concrete grammar is for be adjusted to 0 rev/min (regulating time is 10s) by rotating speed from 400 revs/min, keep stop state 2 minutes, observe liquid surface state, namely can be considered meet the requirements if liquid surface rapid levelling in 20 seconds is a horizontal plane, when repeating 400～0 revs/min of these adjustment processes 3 times, all observe that identical result can stop high speed dispersor every time.Dispersion impeller is proposed liquid level, clears up card salvage stores, after standing 3 hours, component A is gone out still and package spare.
The component A that produced is sealed and preserves, A, B component is packed pairing respectively with the ratio of mass ratio 1:1, standby.
The average thickness of flexible protective coating 3 reaches 2.5mm.
Embodiment 4
Embodiment 4 is substantially the same manner as Example 2, and it is different in that:
Osmosis type lithio concrete compaction firming agent used is Na Lute board osmosis type lithio concrete compaction firming agent.
Claims (5)
1. osmosis type interface processing coating construction method under a wet environment: it is characterized in that comprising the following steps:
1) delimit a boundary line；
2) polishing: use grinding machine polishing concrete (4) surface, angle, remove surface carbonation layer；Boudary portion is polished into receipts limit flute profile, average grinding depth 2mm；Concrete (4) surface after cleaning polishing, until clean surface is without dirt；
3) dry: if concrete (4) surface moisture, making concrete (4) surface keep dry, within keeping 4 hours, Surface layer's concrete (4) moisture content is maintained at 3～4%；
4) infiltration pretreatment: first concrete (4) surface after polishing uses osmosis type lithio concrete compaction firming agent that concrete (4) is processed, in 2 hours, point 3 brushings, brush total consumption 0.5kg/m for 3 times2；
Form infiltration pretreatment layer (1)；
5) interfacial agents application: at the double-component aqueous bonding agent of concrete (4) external coating osmosis type processed through osmosis type lithio concrete compaction firming agent, brushed for 1 time in 1 hour, consumption 0.3kg/m2；
The brushing time started is in after brushing osmosis type lithio concrete compaction firming agent 6 hours；
Form interfacial agents coating layer (2)；
6) flexible protective coating: after above treatment process, brushing flexible protective coating (3), concrete (4) process borderline region receipts limit groove is tamped and fills up by flexible paint；
Form flexible protective coating (3)；
Double-component aqueous bonding agent of a kind of osmosis type used in said method and preparation method thereof is:
A kind of double-component aqueous bonding agent of osmosis type, mainly by component A and what B component was made according to mass ratio 1:1；
Described component A is mainly by emulsion 25～45 parts, acid-base modifier 0.1～0.2 part, dispersant 0.3～0.55 part, wetting agent 0.1～0.2 part, antifreeze 3～10 parts, the first defoamer 0.1～0.7 part, the second defoamer 0.1～0.7 part, preservative 0.1～0.2 part, and 2～6 parts of water and 3～9 parts of the water of second time use that mildew-resistant/algaecide 0.1～0.2 part, thickening agent 0.3～0.6 part, levelling agent 0.6～1.2 part, first time use are made；
Number described in the technical program is mass fraction；
Described B component is a kind of firming agent, is also a kind of emulsion form material；
Wherein said component A undertakies being in harmonious proportion by various raw materials, undertaken disperseing by high speed dispersor, froth breaking, thickening are formed and, the operation such as levelling is made；
Component A, B component, the quality proportioning of the two is 1:1, respectively packing and storing；Use middle that two components of A, B are formulated with the mediation of 1:1 ratio at the construction field (site), be used while allocating；Use only need to by A, B component at the construction field (site) in addition mixing and stirring can apply after standing 5～10 minutes；
A kind of manufacture method of the double-component aqueous bonding agent of osmosis type:
Make component A:
Be mainly dispersion, froth breaking, thickening form and, levelling；
Concretely comprise the following steps and first will dose 2～6 parts of the water of cleaning in high speed dispersor reactor, the water that namely first time uses), start high speed dispersor, rotating speed is adjusted to 400 revs/min, free-runing operation 2 minutes；It is then slowly added into emulsion 25～45 parts and starts dispersion, stirring, dose the process used time 5 minutes, keep rotating speed 400 revs/min；
Dose acid-base modifier 0.1～0.2 part subsequently, then by dispersant 0.3～0.55 part, wetting agent 0.1～0.2 part, antifreeze 3～10 parts, the first defoamer 0.1～0.7 part, preservative 0.1～0.2 part, mildew-resistant/algaecide 0.1～0.2 part slowly puts into high speed dispersor reactor successively and disperses, whole dose the process used time 10 minutes, rotating speed 400 revs/min；
By the time above raw material is all dosed complete, and by 400 revs/min, rotating speed is increased to 1200 revs/min, operates 30 minutes, then rotating speed is adjusted to 600 revs/min, now observe mixed liquor upper surface, it does not have significantly after bubble, then dose the second defoamer 0.1～0.7 part operating 10 minutes；
Continue in scattered process at material, by deployed to thickening agent and levelling agent standby；
3～9 parts of the water that second time uses is equal according to quality, is divided into two parts；
Thickening agent 0.3～0.6 part first part of water of addition is in harmonious proportion, dilution；Obtain deployed thickening agent；
Levelling agent 0.6～1.2 part second part of water of addition is in harmonious proportion, dilution；Obtain deployed levelling agent；
To dose that the second defoamer operates high speed dispersor rotational speed regulation after 10 minutes be 400 revs/min aforesaid, was slowly added to deployed thickening agent with 10 minutes, more slowly added deployed levelling agent with 10 minutes；
By observing liquid surface, when obvious gloss occurs in mixed liquor upper surface, the mode of interim observation can be adopted to determine whether to shut down；The mode of interim observation is the ordinary skill in the art；
After observed result meets requirement, dispersion impeller is proposed liquid level, clear up card salvage stores, after standing 3 hours, component A is gone out still and package spare；
The component A that produced is sealed and preserves, A, B component is packed pairing respectively with the ratio of mass ratio 1:1, standby；
In using only need to by A, B component at the construction field (site) in addition mixing and stirring can apply.
2. osmosis type interface processing coating construction method construction method under a kind of wet environment according to claim 1, it is characterized in that comprising the following steps: when there being crack (6) on concrete (4), interfacial agents coating layer (2) upper surface in crack (6) top pastes isolation cloth (5).
3. osmosis type interface processing coating construction method construction method under a kind of wet environment according to claim 1, it is characterised in that comprise the following steps:
The raw material making the double-component aqueous bonding agent of a kind of osmosis type is:
Described emulsion model is A2651；
Firming agent model in described B component is XP2655；
Described acid-base modifier model is AMP-95；
Described dispersant model is GA40；
Described wetting agent model is 436；
Described antifreeze is propylene glycol, and model is P.G；The first described defoamer is B199 defoamer, and the second defoamer is 154 defoamer；
Described preservative model is KathonLXE；
Described mildew-resistant/algaecide model is DF19；
Described thickening agent model is AT-90；
Described levelling agent model is SL681.
4. osmosis type interface processing coating construction method construction method under a kind of wet environment according to claim 1, it is characterised in that comprise the following steps:
Described isolation cloth (5) width is 10mm.
5. osmosis type interface processing coating construction method construction method under a kind of wet environment according to claim 1, it is characterised in that comprise the following steps: brushing flexible protective coating (3), make the average thickness of flexible protective coating (3) reach 2-2.5mm.
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Address after: No. 1, fourteen weft Road, peace zone, Shenyang, Liaoning, Liaoning Patentee after: Liaoning water conservancy and Hydropower Research Institute Co., Ltd. Address before: No. 1, fourteen weft Road, peace zone, Shenyang, Liaoning, Liaoning Patentee before: Liaoning Water-Conservancy Hydroelectricity Science Academy |
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