CN107502167B - A kind of Low Temperature Wet solidification priming paint, anti-corrosion composite construction and its preparation and construction method - Google Patents
A kind of Low Temperature Wet solidification priming paint, anti-corrosion composite construction and its preparation and construction method Download PDFInfo
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- CN107502167B CN107502167B CN201710758330.0A CN201710758330A CN107502167B CN 107502167 B CN107502167 B CN 107502167B CN 201710758330 A CN201710758330 A CN 201710758330A CN 107502167 B CN107502167 B CN 107502167B
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/302—Water
- C08G18/307—Atmospheric humidity
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/60—Polyamides or polyester-amides
- C08G18/603—Polyamides
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/73—Polyisocyanates or polyisothiocyanates acyclic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
- C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/002—Priming paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
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Abstract
The present invention provides a kind of Low Temperature Wet solidification priming paint, anti-corrosion composite construction and its preparation and construction methods.The described method includes: the polyaspartic ester resin of mixing 20-40 parts by weight, the hexamethylene diisocyanate of 2-10 parts by weight and the organic solvent of 20-40 parts by weight, it is reacted at 20-40 DEG C, end secondary amine performed polymer is obtained after reaction, resulting end secondary amine performed polymer and the methyl diphenylene diisocyanate of 10-20 parts by weight are mixed, it is reacted at 5-35 DEG C, Low Temperature Wet solidification priming paint is obtained after reaction, Low Temperature Wet is coated on formation level solidifies priming paint, when formation level is moisture substrate, Low Temperature Wet solidifies priming paint and reacts with the moisture on moist formation level, it generates and is conducive to the stickum that Low Temperature Wet solidifies priming paint and moisture substrate bonding.The preparation process that Low Temperature Wet provided in an embodiment of the present invention solidifies priming paint is easily controllable, and Low Temperature Wet, which solidifies priming paint, has the excellent properties such as the strong, low-temperature curable of cohesive force.
Description
Technical field
The present invention relates to field of compound material, solidify priming paint, a kind of anti-corrosion composite construction more particularly to a kind of Low Temperature Wet,
And a kind of Low Temperature Wet that is used to prepare and constructs solidifies the method for priming paint.
Background technique
In construction waterproofing engineering, polyurethane and polyureas are common water-repellent paints.Polyurethane is by containing isocyanate terminated
Compound and after chemical reaction containing polyol, the high molecular material with ammonia ester bond of formation；Polyureas is by containing end
Polyisocyanate compound is reacted with end polyhydric amine compounds, the high molecular material with urea bond of formation.
Although two kinds of materials of existing polyurethane and polyureas all have waterproof performance, it is usually used in water-repellent paint use,
There are still deficiencies for two kinds of waterproof materials of polyurethane and polyureas: the aggregate velocity of polyurethane waterproof material compared with slow, film strength is lower,
Anti-pressure ability is weaker and adhesive force is poor, and the waterproof layer of formation cannot be stably formed on formation level surface, leads to waterproof
Layer structural instability, waterproof effect are poor；The aggregate velocity of polyurea water-proof material is too fast, reaction process is not easy to control and adheres to
Power is poor, it usually needs is used cooperatively with basecoat material such as epoxy resin, since the viscosity of basecoat material is larger, is coating
Need to carry out basecoat material the pre-heat treatment before basecoat material to enhance the mobility of basecoat material, however basecoat material is pre-
Heat operation increases construction procedure, improves construction cost, and when construction polyurea water-proof material and basecoat material, needs stringent
The speed of application of two kinds of materials is controlled, if the speed of application control of two kinds of materials is not stringent, gained mixing can be seriously affected
The performances such as the waterproof of object, therefore polyurea water-proof material is to the more demanding of construction equipment and constructing operation.
Summary of the invention
To solve the above-mentioned problems, the invention discloses a kind of method that Low Temperature Wet that is used to prepare and constructs solidifies priming paint,
Include:
Mix the polyaspartic ester resin of 20-40 parts by weight, the hexa-methylene diisocyanate of 2-10 parts by weight
The organic solvent of ester and 20-40 parts by weight, reacts at 20-40 DEG C, obtains end secondary amine performed polymer after reaction；
The resulting end secondary amine performed polymer and the methyl diphenylene diisocyanate of 10-20 parts by weight are mixed,
It is reacted at 5-35 DEG C, obtains the Low Temperature Wet solidification priming paint after reaction；
The Low Temperature Wet solidification priming paint is coated on formation level, it is described low when the formation level is moisture substrate
The warm and humid priming paint that solidifies reacts with the moisture on the moist formation level, generation be conducive to the Low Temperature Wet solidification priming paint with
The stickum of the moisture substrate bonding.
Preferably, the Low Temperature Wet solidifies curing time of the priming paint at 0-5 DEG C as 35-40min；
The Low Temperature Wet solidifies the curable temperature of priming paint down to -10 DEG C.
Preferably, the cohesive force that the Low Temperature Wet solidifies between priming paint and the moisture substrate reaches 1.8Mpa or more.
Preferably, the raw material for preparing the end secondary amine performed polymer further includes the additive of 2-5 parts by weight；
The additive includes at least one of trbasic zinc phosphate and barium sulfate.
Preferably, the organic solvent includes ethyl acetate, cyclohexanone, butyl acetate, acetone, tetrahydrofuran and anhydrous two
At least one of toluene.
Preferably, the raw material for preparing the end secondary amine performed polymer further includes the dispersing agent of 0.5-1 parts by weight, 0.5-5
The defoaming agent of parts by weight, the levelling agent of 0.5-1 parts by weight, the light stabilizer of 0.5-2 parts by weight and 0.5-3 parts by weight
At least one of plasticizer.
The present invention also provides a kind of Low Temperature Wets to solidify priming paint, and the raw material that the Low Temperature Wet solidifies priming paint includes 20-40 weight
Measure the polyaspartic ester resin of number, the hexamethylene diisocyanate of 2-10 parts by weight, 10-20 parts by weight two
The organic solvent of methylenebis phenyl isocyanate and 20-40 parts by weight；
The polyaspartic ester resin of the 20-40 parts by weight, the hexa-methylene two of the 2-10 parts by weight are different
The mixture of cyanate and the ethyl acetate of 20-40 parts by weight composition, reacts at 20-40 DEG C, after reaction
To end secondary amine performed polymer；
The mixing that the end secondary amine performed polymer and the methyl diphenylene diisocyanate of the 10-20 parts by weight form
Object, reacts at 5-35 DEG C, obtains the Low Temperature Wet solidification priming paint after reaction；
The Low Temperature Wet solidification priming paint is coated on formation level, it is described low when the formation level is moisture substrate
The warm and humid priming paint that solidifies reacts with the moisture on the moist formation level, generation be conducive to the Low Temperature Wet solidification priming paint with
The stickum of the moisture substrate bonding.
Preferably, the Low Temperature Wet solidifies curing time of the priming paint at 0-5 DEG C as 35-40min；
The Low Temperature Wet solidifies the curable temperature of priming paint down to -10 DEG C.
Preferably, the cohesive force that the Low Temperature Wet solidifies between priming paint and the moisture substrate reaches 1.8Mpa or more.
Preferably, the raw material for preparing the end secondary amine performed polymer further includes the additive of 2-5 parts by weight；
The additive includes at least one of trbasic zinc phosphate and barium sulfate.
Preferably, the organic solvent includes ethyl acetate, cyclohexanone, butyl acetate, acetone, tetrahydrofuran and anhydrous two
At least one of toluene.
Preferably, the raw material for preparing the end secondary amine performed polymer further includes the dispersing agent of 0.5-1 parts by weight, 0.5-5
The defoaming agent of parts by weight, the levelling agent of 0.5-1 parts by weight, the light stabilizer of 0.5-2 parts by weight and 0.5-3 parts by weight
At least one of plasticizer.
The present invention also provides a kind of anti-corrosion composite constructions, solidify priming paint shape including top coat layer and by above-mentioned Low Temperature Wet
At prime coat；
The prime coat is formed on formation level, and the top coat layer is formed on the prime coat.
Preferably, the material for forming the top coat layer includes rubber coating.
Preferably, the rubber coating includes negative ion emulsification pitch, rubber latex and the additive of vulcanized rubber modification.
Preferably, the material for forming the top coat layer includes antisepsis finishing paint.
Preferably, the raw material of the antisepsis finishing paint includes component A and B component；
The component A is the polyalcohol and 40-60 of the aliphatic isocyanates of 20-60 parts by weight, 4-10 parts by weight
The mixture of the organic solvent composition of parts by weight, is stirred to react after 3-4h obtained at 70-90 DEG C；
The B component be the poly-aspartic-acid resin of 20-80 parts by weight, 0-8 parts by weight amido chain extender,
The mixture of the defoaming agent composition of the filler of 20-60 parts by weight, the dispersing agent of 0.5-1 parts by weight and 0.5-5 parts by weight,
It is obtained after being stirred at 5-35 DEG C；
The mixture of the component A and the B component is stirred to react at 5-35 DEG C, and the antisepsis finishing paint, the A is made
The weight fraction ratio of component and the B component is 3:1-5:1.
Compared with prior art, the present invention includes the following advantages:
The embodiment of the present invention first reacts polyaspartic ester resin and hexamethylene diisocyanate, generates end secondary amine
Base performed polymer, then end secondary amine performed polymer is mixed with methyl diphenylene diisocyanate, hold the amino in secondary amine performed polymer
It reacts with the isocyanate groups in methyl diphenylene diisocyanate, generating end position has isocyanates (NCO) group
Low Temperature Wet solidify priming paint, hold secondary amine performed polymer in amino and methyl diphenylene diisocyanate in isocyanate groups
Reaction speed it is moderate, synthesis process is easily controllable, and the Low Temperature Wet of generation solidification priming paint has strong, low-temperature curable of cohesive force etc.
Excellent properties.
When formation level is dry basal plane, the cohesive force that Low Temperature Wet solidifies between priming paint and formation level be can reach
More than 1.5Mpa；When formation level is moisture substrate, end position has the Low Temperature Wet solidification priming paint of isocyanate groups and moist
Moisture on formation level reacts, and ultimately generates and is conducive to the goo that Low Temperature Wet solidifies priming paint and moisture substrate bonding
Matter ensure that the stability of waterproof construction, low temperature so that increasing Low Temperature Wet solidifies binding force between priming paint and moisture substrate
Cohesive force between moisturecuring priming paint and moisture substrate can reach 1.8Mpa or more.Low temperature moisturecuring provided in an embodiment of the present invention
The curable temperature of priming paint, therefore can construction usage, temperature applicable range be wider at low ambient temperatures down to -10 DEG C.
Low Temperature Wet solidification priming paint provided in an embodiment of the present invention can also include additive, and additive may include trbasic zinc phosphate
At least one of with barium sulfate, after above-mentioned additive is added, the free metal ion in additive can be with other in priming paint
Macromolecular is had an effect, and then is improved Low Temperature Wet and solidified the performances such as the cohesive force of priming paint.
Low Temperature Wet solidification priming paint provided in an embodiment of the present invention can be applied directly to formation level surface, constructing operation letter
Single, low to construction equipment requirement, construction cost is low.
The embodiment of the invention also provides a kind of anti-corrosion composite construction, including top coat layer and provided by the embodiment of the present invention
Low Temperature Wet solidify the prime coat of priming paint formation, prime coat is formed on formation level, and top coat layer is formed on prime coat, due to
Low Temperature Wet provided in an embodiment of the present invention solidifies priming paint with excellent cohesive force, therefore can be secured by the prime coat that it is formed
Ground is formed on formation level, to obtain the anti-corrosion composite construction of stable structure.
Detailed description of the invention
Fig. 1 is the process for the method that a kind of Low Temperature Wet that is used to prepare and constructs provided in an embodiment of the present invention solidifies priming paint
Figure.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
The embodiment of the invention provides a kind of methods that Low Temperature Wet that is used to prepare and constructs solidifies priming paint.Fig. 1 is the present invention
A kind of Low Temperature Wet that is used to prepare and constructs that embodiment provides solidifies the flow chart of the method for priming paint, preparation method shown in FIG. 1
Include:
Step 101, the hexa-methylene for mixing the polyaspartic ester resins of 20-40 parts by weight, 2-10 parts by weight
The organic solvent of diisocyanate and 20-40 parts by weight, reacts at 20-40 DEG C, and it is pre- to obtain end secondary amine after reaction
Aggressiveness.
The embodiment of the present invention first reacts polyaspartic ester resin and hexamethylene diisocyanate (HDI), specifically
Ground, the isocyanate groups-NCO in-NH- active group and hexamethylene diisocyanate in polyaspartic ester resin
Reaction generates end secondary amine performed polymer, holds and has-NH- active group in secondary amine performed polymer.
Organic solvent may include a variety of, such as ethyl acetate, butyl acetate, acetone, cyclohexanone, tetrahydrofuran, can be with
According to actually being selected.
Step 102 mixes the methyl diphenylene diisocyanate of resulting end secondary amine performed polymer and 10-20 parts by weight
It closes, is reacted at 5-35 DEG C, obtain Low Temperature Wet solidification priming paint after reaction and constructing when the Low Temperature Wet of constructing solidifies priming paint
Low Temperature Wet solidification priming paint is coated on basal plane.
The embodiment of the present invention is after preparing end secondary amine performed polymer, by end secondary amine performed polymer and two isocyanide of diphenyl methane
The isocyanic acid in the active group-NH- and methyl diphenylene diisocyanate in secondary amine performed polymer is held in acid esters (MDI) reaction
Ester group-NCO reaction ultimately generates the macromolecular Low Temperature Wet solidification priming paint with end position isocyanate groups.
The study found that if directly being changed using methyl diphenylene diisocyanate to polyaspartic ester resin
Property, then reaction speed is too fast, and reaction process is not easy to control, and the polymer generated is larger without elasticity, brittleness, and generation gathers
The service performance for closing object is poor.In order to overcome the problems referred above, after studying, the embodiment of the present invention first uses hexa-methylene diisocyanate
Ester carries out graft modification to polyaspartic ester resin, increases its steric hindrance, generates the end that end position has-NH- functional group
Secondary amine performed polymer later again reacts end secondary amine performed polymer with methyl diphenylene diisocyanate, since end secondary amine is pre-
The steric hindrance of aggressiveness is larger, therefore slows down the reaction speed of end secondary amine performed polymer and methyl diphenylene diisocyanate,
So that the reaction has moderate reaction speed, synthesis process is easily controllable, and the Low Temperature Wet solidification priming paint generated is with viscous
The advantages that tying strong power, low-temperature curable, extensive temperature applicable range.
Construct the Low Temperature Wet solidification priming paint when, directly coated on formation level the Low Temperature Wet solidification priming paint, construction
Easy to operate, low to construction equipment requirement, construction cost is low, and Low Temperature Wet solidification priming paint provided in an embodiment of the present invention overcomes existing
There are many deficiencies of primer material such as polyurethane and polyureas.Coating means may include a variety of, such as spraying, brushing, roller coating, can
According to actual selection.
When formation level is moisture substrate, after Low Temperature Wet solidification priming paint is coated on moisture substrate, low temperature moisturecuring
Priming paint reacts with the moisture on moist formation level, generates and is conducive to Low Temperature Wet and solidify gluing for priming paint and moisture substrate bonding
Property substance, further increase the cohesive force that Low Temperature Wet solidifies priming paint and moist formation level, improve the stability of structure.On
Stating reaction process can be explained by following mechanism: Low Temperature Wet solidifies the position isocyanate reactive group of the end in priming paint and water
It reacts, generates and have-NH2The compound of group, further ,-the NH of the compound2In group and Low Temperature Wet solidification priming paint
Isocyanate groups react, generate stickum.
Preferably, Low Temperature Wet solidifies curing time of the priming paint at 0-5 DEG C as 35-40min.Curing time is shorter, is convenient for
Subsequent construction shortens the construction period.
Preferably, Low Temperature Wet solidifies the curable temperature of priming paint down to -10 DEG C.Low Temperature Wet solidifies priming paint can be with low temperature environment
Lower solidification, therefore can construction usage, temperature applicable range are extensive at low ambient temperatures.
Preferably, the cohesive force that Low Temperature Wet solidifies between priming paint and moisture substrate can reach 1.8Mpa or more.Low Temperature Wet is solid
Changing priming paint has preferable cohesive force, can be with formation level strong bond.
Preferably, the raw material for preparing end secondary amine performed polymer can also include the additive of 2-5 parts by weight；Additive can
To include at least one of trbasic zinc phosphate and barium sulfate.The zinc ion and barium ions to dissociate in additive can be with low temperature moisturecuring
Macromolecular in priming paint interacts, to increase the cohesive force that Low Temperature Wet solidifies priming paint.It can also be that other are applicable
Additive.
Preferably, organic solvent may include ethyl acetate, cyclohexanone, butyl acetate, acetone, tetrahydrofuran and anhydrous two
At least one of toluene.It can also be other applicable organic solvents.
Preferably, the raw material for preparing end secondary amine performed polymer can also include dispersing agent, the 0.5-5 of 0.5-1 parts by weight
The defoaming agent of parts by weight, the levelling agent of 0.5-1 parts by weight, the light stabilizer of 0.5-2 parts by weight and 0.5-3 parts by weight
At least one of plasticizer.
Dispersing agent, defoaming agent, levelling agent, light stabilizer and plasticizer type may include a variety of, it is preferable that dispersing agent
It may include zinc stearate, at least one of copper stearate and poly- naphthalene sulfonate salt；Defoaming agent may include that organic silicon disappears
Infusion；Light stabilizer may include hindered amine light stabilizer；Plasticizer may include dioctyl phthalate and benzoic acid two
At least one of glycol ester；Levelling agent may include organic silicon modified by polyether.
The embodiment of the invention also provides a kind of Low Temperature Wets to solidify priming paint, and the raw material that Low Temperature Wet solidifies priming paint includes 20-40
The polyaspartic ester resin of parts by weight, the hexamethylene diisocyanate of 2-10 parts by weight, 10-20 parts by weight
The ethyl acetate of methyl diphenylene diisocyanate and 20-40 parts by weight；
The polyaspartic ester resin of 20-40 parts by weight, the hexamethylene diisocyanate of 2-10 parts by weight and
The mixture of the ethyl acetate composition of 20-40 parts by weight, reacts at 20-40 DEG C, and it is pre- to obtain end secondary amine after reaction
Aggressiveness；
The mixture for holding secondary amine performed polymer and the methyl diphenylene diisocyanate of 10-20 parts by weight to form, in 5-
It is reacted at 35 DEG C, obtains Low Temperature Wet solidification priming paint after reaction；
Low Temperature Wet is coated on formation level and solidifies priming paint, and when formation level is moisture substrate, Low Temperature Wet solidifies priming paint
It reacts with the moisture on moist formation level, generates and be conducive to the goo that Low Temperature Wet solidifies priming paint and moisture substrate bonding
Matter.
Low Temperature Wet solidification priming paint provided in an embodiment of the present invention is with aggregate velocity is moderate, synthesis process is easily controllable, viscous
The features such as tying strong power, low-temperature curable, construction is simple, extensive temperature applicable range.
Preferably, Low Temperature Wet solidifies curing time of the priming paint at 0-5 DEG C as 35-40min；
Low Temperature Wet solidifies the curable temperature of priming paint down to -10 DEG C.
Preferably, the cohesive force that Low Temperature Wet solidifies between priming paint and moisture substrate can reach 1.8Mpa or more.
Preferably, the raw material for preparing end secondary amine performed polymer can also include the additive of 2-5 parts by weight, additive packet
Include at least one of trbasic zinc phosphate and barium sulfate.It can also be other applicable additives.
Preferably, organic solvent may include ethyl acetate, cyclohexanone, butyl acetate, acetone, tetrahydrofuran and anhydrous two
At least one of toluene.It can also be other applicable organic solvents.
Preferably, the raw material for preparing end secondary amine performed polymer can also include dispersing agent, the 0.5-5 of 0.5-1 parts by weight
The defoaming agent of parts by weight, the levelling agent of 0.5-1 parts by weight, the light stabilizer of 0.5-2 parts by weight and 0.5-3 parts by weight
At least one of plasticizer.
Dispersing agent, defoaming agent, levelling agent, light stabilizer and plasticizer type may include a variety of, it is preferable that dispersing agent
It may include zinc stearate, at least one of copper stearate and poly- naphthalene sulfonate salt；Defoaming agent may include that organic silicon disappears
Infusion；Light stabilizer may include hindered amine light stabilizer；Plasticizer may include dioctyl phthalate and benzoic acid two
At least one of glycol ester；Levelling agent may include organic silicon modified by polyether.
The embodiment of the invention also provides a kind of anti-corrosion composite construction, including top coat layer and provided in an embodiment of the present invention
Low Temperature Wet solidifies the prime coat of priming paint formation；
Prime coat is formed on formation level, and top coat layer is formed on prime coat.
Preferably, the material for forming top coat layer may include rubber coating.
It is further preferred that rubber coating may include the negative ion emulsification of the vulcanized rubber modification of 20-90 parts by weight
The additive of pitch, the rubber latex of 10-70 parts by weight and 0.1-10 parts by weight, the pH value of the rubber coating are 7-
13.5。
In the rubber coating, it is preferable that the negative ion emulsification pitch of vulcanized rubber modification can be according to 70-97 parts by weight
Pitch and 3-30 parts by weight vulcanized rubber ratio mixing after emulsify.
In the rubber coating, it is preferable that the vulcanized rubber can be selected from the thermoplasticity of vulcanized styrene race
Rubber, vulcanized polyurethane race thermoplastic elastomer, the vulcanized thermoplastic polyolefin-like elasticity containing bibasic ethylene propylene rubber
In body, the synthetic rubber of vulcanized butadiene race, vulcanized polyisoprene rubber and vulcanized ethylene propylene diene rubber
It is one or more.
In the rubber coating, it is preferable that the thermoplastic elastomer of the styrene race may include styrene-fourth two
Alkene-styrene block copolymer, styrene-isoprene-styrene block copolymer rubber or styrene-ethylene-butadiene-benzene
Ethylene block copolymer rubber；The synthetic rubber of the butadiene race includes butadiene-styrene rubber or nitrile rubber.
In the rubber coating, it is preferable that can be in the negative ion emulsification pitch of the vulcanized rubbers of 20-90 parts by weight modification
Include uncured rubber modified negative ion emulsification pitch.
In the rubber coating, it is preferable that the rubber latex may include chloroprene rubber, butadiene-styrene rubber, fourth
Nitrile rubber, ethylene propylene diene rubber, polyisoprene rubber, cis-1,4-polybutadiene rubber, the chloroprene rubber of carboxylation, carboxylic
One of the butadiene-styrene rubber of change and the nitrile rubber of carboxylation are a variety of.
In the rubber coating, it is preferable that the additive may include defoaming agent, surfactant, antiaging agent,
One of stabilizer, sun-screening agent and dispersing agent are a variety of.
In the rubber coating, it is preferable that may include in the additive 0.1-3 parts by weight surfactant,
The dispersing agent of 0.1-2 parts by weight, the stabilizer of 0.1-1 parts by weight, 0.1-2 parts by weight sun-screening agent, 0.1-1 parts by weight defoaming
The antiaging agent of agent and 0.1-1 parts by weight.
In the rubber coating, it is preferable that the surfactant is selected from rosin soap, fatty acid soaps, alkyl diphenyl ether
One of disulfonate, nonyl phenol ethoxylate and sulfated methyl oleate sodium glutamate are a variety of；The dispersing agent
Including condensed state naphthalene sulfonate salt；The stabilizer includes sodium alkyl sulfate；The sun-screening agent includes hydrophily 2- (2- oxybenzene
Base)-one of benzotriazole UV absorbers and hindered amine light stabilizer or a variety of.
Rubber coating provided in an embodiment of the present invention, while not changing original manufacturing process and construction instrument, tool
Strong for stronger stability, higher physical intensity, chemical resistance, heat-resisting cold resistance, sunlight resistance and endurance
Advantage, corrosion-resistanting waterproofing performance are excellent.The embodiment of the present invention modifies negative ion emulsification pitch using vulcanized rubber, there is enhancing vulcanization structure
The effect made can give full play to waterproofness so that the initial stage of manufactured waterproof coating after construction starts physical intensity height
Can, and strength reply external impact can be formed.The chemicals such as alkali resistant are strong simultaneously, not only the concrete table high in alkalinity
Face can also need the multiplicity of chemical-resistant resistance with using on the way at other.
Preferably, the material for forming the top coat layer may include antisepsis finishing paint.
It is further preferred that the raw material of the antisepsis finishing paint includes component A and B component；
The component A is the polyalcohol and 40-60 of the aliphatic isocyanates of 20-60 parts by weight, 4-10 parts by weight
The mixture of the organic solvent composition of parts by weight, is stirred to react after 3-4h obtained at 70-90 DEG C；
The B component be the poly-aspartic-acid resin of 20-80 parts by weight, 0-8 parts by weight amido chain extender,
The mixture of the defoaming agent composition of the filler of 20-30 parts by weight, the dispersing agent of 0.5-1 parts by weight and 0.5-5 parts by weight,
It is obtained after being stirred at 5-35 DEG C；
When construction, the ratio for being 3:1-5:1 according to the weight fraction ratio of component A and B component mixes component A and B component,
It is stirred to react at 5-35 DEG C, antisepsis finishing paint is made, the antisepsis finishing paint is coated on formation level.
Curing time of the antisepsis finishing paint at 5-35 DEG C is 35-45min；
The cohesive force of the antisepsis finishing paint can reach 1.2MPa or more；
The salt-fog resistant time of the antisepsis finishing paint can reach 2000h or more；
The ageing-resistant time of the antisepsis finishing paint can reach 1000h or more.
In the antisepsis finishing paint, it is preferable that aliphatic isocyanates may include hexamethylene diisocyanate and different Buddhist
At least one of your ketone diisocyanate.Other are suitable for the invention aliphatic isocyanates.
In the antisepsis finishing paint, it is preferable that polyalcohol may include at least one in the pure and mild polyether polyol of polyether polyols
Kind.It is further preferred that polyether polyol may include three polyglycerols；Polyether polyol may include adipate polyester two
Alcohol.
In the antisepsis finishing paint, it is preferable that organic solvent may include ethyl acetate, cyclohexanone, butyl acetate, acetone,
At least one of tetrahydrofuran and anhydrous dimethyl benzene.
In the antisepsis finishing paint, it is preferable that filler may include at least one of trbasic zinc phosphate and barium sulfate.Filler middle reaches
From zinc ion or barium ions can interact with the macromolecular in antisepsis finishing paint, to increase the viscous of antisepsis finishing paint
Property；It can also interact with the macromolecular in priming paint, to increase the active force between finishing coat and priming paint, increase composite junction
The stability of structure.
In the antisepsis finishing paint, it is preferable that the raw material for preparing B component can also include in molecular sieve powder and titanium dioxide
It is at least one.Molecular sieve powder has porous structure, and the moisture in product can be absorbed, and guarantees that isocyanates is in dry environment
In, it ensure that the performance of isocyanates is stablized.Molecular sieve powder may include it is a variety of, such as zeolite molecular sieve powder.Titanium dioxide
The color effects that can increase finishing coat are added.It can also be other applicable reagents, to enhance finishing coat performance.
In the antisepsis finishing paint, it is preferable that polyalcohol may include at least one in the pure and mild polyether polyol of polyether polyols
Kind.It is further preferred that polyether polyol may include three polyglycerols；Polyether polyol may include adipate polyester two
Alcohol.
In the antisepsis finishing paint, it is preferable that organic solvent may include ethyl acetate, cyclohexanone, butyl acetate, acetone,
At least one of tetrahydrofuran and anhydrous dimethyl benzene.
In the antisepsis finishing paint, it is preferable that amido chain extender may include ethylene glycol, diglycol and 1,6- oneself two
At least one of alcohol；
Dispersing agent may include zinc stearate, at least one of copper stearate and poly- naphthalene sulfonate salt；
The defoaming agent may include organic silicon defoaming agent.
In the antisepsis finishing paint, it is preferable that the B component of antisepsis finishing paint can also include the light of 0.5-2 parts by weight
At least one of stabilizer, the plasticizer of 0.5-3 parts by weight and levelling agent of 0.5-1 parts by weight.
It is further preferred that light stabilizer may include hindered amine light stabilizer；Plasticizer may include phthalic acid
At least one of dioctyl ester and benzoic acid binaryglycol ester；Levelling agent may include organic silicon modified by polyether.
The aggregate velocity of antisepsis finishing paint provided in an embodiment of the present invention is moderate, the antisepsis finishing paint of generation have cohesive force it is strong,
Excellent properties, the cohesive forces such as salt-fog resistant time length can reach 1.2MPa or more, and antisepsis finishing paint can be securely attached to basal plane
Surface, the salt-fog resistant time of the antisepsis finishing paint reach 2000h or more, and the ageing-resistant time reaches 1000h or more, prevent with excellent
Rotten humidity resistance.It can be applied directly to formation level surface, constructing operation is simple, requires low, construction cost to construction equipment
It is low.
In order to enable those skilled in the art to better understand the present invention, illustrate this hair below by way of multiple specific embodiments
The Low Temperature Wet that is used to prepare and constructs described in bright embodiment solidifies the method for priming paint.
Embodiment 1
Mix the polyaspartic ester resin of 40 parts by weight, the hexamethylene diisocyanate and 40 of 10 parts by weight
The ethyl acetate of parts by weight, reacts at 30-40 DEG C, obtains end secondary amine performed polymer after reaction；
Resulting end secondary amine performed polymer and the methyl diphenylene diisocyanate of 20 parts by weight are mixed, in 25-35
It is reacted at DEG C, obtains Low Temperature Wet solidification priming paint after reaction；
Low Temperature Wet solidification priming paint is sprayed on formation level.
Embodiment 2
Mix the polyaspartic ester resin of 20 parts by weight, the hexamethylene diisocyanate of 2 parts by weight, 10 weights
The ethyl acetate of number and the butyl acetate of 10 parts by weight are measured, is reacted at 20-30 DEG C, obtains end secondary amine after reaction
Performed polymer；
The resulting end secondary amine performed polymer and the methyl diphenylene diisocyanate of 10 parts by weight are mixed, in 5-
It is reacted at 20 DEG C, obtains Low Temperature Wet solidification priming paint after reaction；
Low Temperature Wet solidification priming paint is sprayed on formation level.
Embodiment 3
Mix the polyaspartic ester resin of 30 parts by weight, the hexamethylene diisocyanate and 30 of 5 parts by weight
The tetrahydrofuran of parts by weight, reacts at 25-35 DEG C, obtains end secondary amine performed polymer after reaction；
Resulting end secondary amine performed polymer and the methyl diphenylene diisocyanate of 15 parts by weight are mixed, in 20-30
It is reacted at DEG C, obtains Low Temperature Wet solidification priming paint after reaction；
Low Temperature Wet solidification priming paint is brushed on formation level.
Embodiment 4
Mix the polyaspartic ester resin of 40 parts by weight, the hexamethylene diisocyanate of 10 parts by weight, 40
The trbasic zinc phosphate of the ethyl acetate of parts by weight and 5 parts by weight, reacts at 30-40 DEG C, obtains end secondary amine after reaction
Performed polymer；
Resulting end secondary amine performed polymer and the methyl diphenylene diisocyanate of 20 parts by weight are mixed, in 25-35
It is reacted at DEG C, obtains Low Temperature Wet solidification priming paint after reaction；
Low Temperature Wet solidification priming paint is sprayed on formation level.
Embodiment 5
Mix the polyaspartic ester resin of 35 parts by weight, the hexamethylene diisocyanate of 8 parts by weight, 20 weights
Measure the acetone of number, the cyclohexanone of 15 parts by weight, the trbasic zinc phosphate of 2 parts by weight, the trbasic zinc phosphate of 3 parts by weight, 1 parts by weight
Zinc stearate, the organic silicon defoaming agent of 5 parts by weight, the hindered amine light stabilizer of 2 parts by weight, 3 parts by weight neighbour
The organic silicon modified by polyether of dioctyl phthalate and 1 parts by weight, reacts at 20-40 DEG C, obtains holding after reaction secondary
Amido performed polymer；
Resulting end secondary amine performed polymer and the methyl diphenylene diisocyanate of 15 parts by weight are mixed, at 5-35 DEG C
Lower reaction obtains Low Temperature Wet solidification priming paint after reaction；
The roller coating Low Temperature Wet solidifies priming paint on formation level.
Embodiment 6
Mix the polyaspartic ester resin of 25 parts by weight, the hexamethylene diisocyanate of 5 parts by weight, 25 weights
Measure the anhydrous dimethyl benzene of number, the barium sulfate of 2 parts by weight, the poly- naphthalene sulfonate salts of 0.5 parts by weight, 0.5 parts by weight
Organic silicon modified by polyether, the organic silicon defoaming agent of 0.5 parts by weight, the hindered amine light stabilizer of 0.5 parts by weight and 0.5 weight
The benzoic acid binaryglycol ester for measuring number, reacts at 20-40 DEG C, obtains end secondary amine performed polymer after reaction；
Resulting end secondary amine performed polymer and the methyl diphenylene diisocyanate of 12 parts by weight are mixed, at 5-35 DEG C
Lower reaction obtains Low Temperature Wet solidification priming paint after reaction；
Low Temperature Wet solidification priming paint is sprayed on formation level.
The present invention has carried out sticky test to the solidification priming paint of Low Temperature Wet made from each embodiment, and test result shows respectively
Low Temperature Wet made from embodiment solidifies priming paint, when formation level is moisture substrate, Low Temperature Wet solidify priming paint and moisture substrate it
Between cohesive force can reach 1.8Mpa or more.Experimental data shows the Low Temperature Wet solidification priming paint of various embodiments of the present invention preparation
It, can be with formation level strong bond with preferable viscosity.
Specifically, solidify priming paint for Low Temperature Wet made from embodiment 1,1 when formation level is moisture substrate, Low Temperature Wet
The cohesive force solidified between priming paint and moisture substrate can reach 1.5Mpa or so；For Low Temperature Wet cured base made from embodiment 4
Paint, 3 when formation level is moisture substrate, and the cohesive force that Low Temperature Wet solidifies between priming paint and formation level can reach the left side 1.8Mpa
It is right.
Embodiment 1 compared with Example 4, except embodiment 4 added with 5 parts by weight trbasic zinc phosphate in addition to, other reaction conditions
It is same as Example 1, by the above-mentioned experimental data about viscosity it is found that adding trbasic zinc phosphate or and phosphorus in the feed
The similar additive of sour zinc can increase considerably the viscosity that Low Temperature Wet solidifies priming paint, improve primer performance.
The method of priming paint, a kind of Low Temperature Wet are solidified to a kind of Low Temperature Wet that is used to prepare and constructs provided by the present invention above
Solidification priming paint and a kind of anti-corrosion composite construction are described in detail, and specific case used herein is to the principle of the present invention
And embodiment is expounded, the above embodiments are only used to help understand, and method and its core of the invention is thought
Think；At the same time, for those skilled in the art, according to the thought of the present invention, in specific embodiments and applications
There will be changes, in conclusion the contents of this specification are not to be construed as limiting the invention.
Claims (17)
1. a kind of method that Low Temperature Wet that is used to prepare and constructs solidifies priming paint, which is characterized in that the described method includes:
Mix the polyaspartic ester resins of 20-40 parts by weight, 2-10 parts by weight hexamethylene diisocyanate and
The organic solvent of 20-40 parts by weight, reacts at 20-40 DEG C, obtains end secondary amine performed polymer after reaction；
The resulting end secondary amine performed polymer and the methyl diphenylene diisocyanate of 10-20 parts by weight are mixed, in 5-
It is reacted at 35 DEG C, obtains the Low Temperature Wet solidification priming paint after reaction；
The Low Temperature Wet solidification priming paint, when the formation level is moisture substrate, the Low Temperature Wet are coated on formation level
Solidify priming paint to react with the moisture on the moisture substrate, generation is conducive to the Low Temperature Wet solidification priming paint and the humidity
The stickum of basal plane bonding.
2. the method as described in claim 1, which is characterized in that the Low Temperature Wet solidifies curing time of the priming paint at 0-5 DEG C
For 35-40min；
The Low Temperature Wet solidifies the curable temperature of priming paint down to -10 DEG C.
3. the method as described in claim 1, which is characterized in that between the Low Temperature Wet solidification priming paint and the moisture substrate
Cohesive force reaches 1.8Mpa or more.
4. the method as described in claim 1, which is characterized in that the raw material for preparing the end secondary amine performed polymer further includes 2-5
The additive of parts by weight；
The additive includes at least one of trbasic zinc phosphate and barium sulfate.
5. the method as described in claim 1, which is characterized in that the organic solvent includes ethyl acetate, cyclohexanone, acetic acid fourth
At least one of ester, acetone, tetrahydrofuran and anhydrous dimethyl benzene.
6. the method as described in claim 1, which is characterized in that the raw material for preparing the end secondary amine performed polymer further includes 0.5-
The dispersing agent of 1 parts by weight, the defoaming agent of 0.5-5 parts by weight, the levelling agents of 0.5-1 parts by weight, 0.5-2 parts by weight
At least one of light stabilizer and the plasticizer of 0.5-3 parts by weight.
7. a kind of Low Temperature Wet solidifies priming paint, which is characterized in that the raw material that the Low Temperature Wet solidifies priming paint includes 20-40 parts by weight
Polyaspartic ester resin, the hexamethylene diisocyanates of 2-10 parts by weight, 10-20 parts by weight diphenylmethyl
The organic solvent of alkane diisocyanate and 20-40 parts by weight；
The hexa-methylene diisocyanate of the polyaspartic ester resin of the 20-40 parts by weight, the 2-10 parts by weight
The mixture of ester and the ethyl acetate of 20-40 parts by weight composition, reacts at 20-40 DEG C, is held after reaction
Secondary amine performed polymer；
The mixture that the end secondary amine performed polymer and the methyl diphenylene diisocyanate of the 10-20 parts by weight form,
It is reacted at 5-35 DEG C, obtains the Low Temperature Wet solidification priming paint after reaction；
The Low Temperature Wet solidification priming paint, when the formation level is moisture substrate, the Low Temperature Wet are coated on formation level
Solidify priming paint to react with the moisture on the moisture substrate, generation is conducive to the Low Temperature Wet solidification priming paint and the humidity
The stickum of basal plane bonding.
8. Low Temperature Wet as claimed in claim 7 solidifies priming paint, which is characterized in that the Low Temperature Wet solidification priming paint is at 0-5 DEG C
Curing time be 35-40min；
The Low Temperature Wet solidifies the curable temperature of priming paint down to -10 DEG C.
9. Low Temperature Wet as claimed in claim 7 solidifies priming paint, which is characterized in that the Low Temperature Wet solidification priming paint and the humidity
Cohesive force between basal plane reaches 1.8Mpa or more.
10. Low Temperature Wet as claimed in claim 7 solidifies priming paint, which is characterized in that prepare the original of the end secondary amine performed polymer
Material further includes the additive of 2-5 parts by weight；
The additive includes at least one of trbasic zinc phosphate and barium sulfate.
11. Low Temperature Wet as claimed in claim 7 solidifies priming paint, which is characterized in that the organic solvent includes ethyl acetate, ring
At least one of hexanone, butyl acetate, acetone, tetrahydrofuran and anhydrous dimethyl benzene.
12. Low Temperature Wet as claimed in claim 7 solidifies priming paint, which is characterized in that prepare the original of the end secondary amine performed polymer
Material further include the dispersing agent of 0.5-1 parts by weight, the defoaming agent of 0.5-5 parts by weight, 0.5-1 parts by weight levelling agent,
At least one of light stabilizer and the plasticizer of 0.5-3 parts by weight of 0.5-2 parts by weight.
13. a kind of anti-corrosion composite construction, which is characterized in that described in any item low including top coat layer and by claim 7-12
The warm and humid prime coat for solidifying priming paint formation；
The prime coat is formed on formation level, and the top coat layer is formed on the prime coat.
14. structure as claimed in claim 13, which is characterized in that the material for forming the top coat layer includes rubber coating.
15. structure as claimed in claim 14, which is characterized in that the rubber coating includes the anion of vulcanized rubber modification
Emulsified asphalt, rubber latex and additive.
16. structure as claimed in claim 14, which is characterized in that the material for forming the top coat layer includes antisepsis finishing paint.
17. structure as claimed in claim 16, which is characterized in that the raw material of the antisepsis finishing paint includes component A and B component；
The component A is the aliphatic isocyanates of 20-60 parts by weight, the polyalcohol of 4-10 parts by weight and 40-60 weight
The mixture of the organic solvent composition of number, is stirred to react after 3-4h obtained at 70-90 DEG C；
The B component is amido chain extender, the 20-60 of the poly-aspartic-acid resin of 20-80 parts by weight, 0-8 parts by weight
The mixture of the defoaming agent composition of the filler of parts by weight, the dispersing agent of 0.5-1 parts by weight and 0.5-5 parts by weight, in 5-
It is obtained after being stirred at 35 DEG C；
The mixture of the component A and the B component is stirred to react at 5-35 DEG C, and the antisepsis finishing paint, the component A is made
Weight fraction ratio with the B component is 3:1-5:1.
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