CN103897595A - Spraying quickly-hardening rubber asphalt waterproof paint - Google Patents
Spraying quickly-hardening rubber asphalt waterproof paint Download PDFInfo
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- CN103897595A CN103897595A CN201410140286.3A CN201410140286A CN103897595A CN 103897595 A CN103897595 A CN 103897595A CN 201410140286 A CN201410140286 A CN 201410140286A CN 103897595 A CN103897595 A CN 103897595A
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Abstract
The invention discloses spraying quickly-hardening rubber asphalt waterproof paint. The spraying quickly-hardening rubber asphalt waterproof paint comprises modified montmorillonoid-rubber asphalt suspension liquid and a solidification agent. The montmorillonoid-rubber asphalt suspension liquid comprises the following components in parts by weight: 55 to 67 parts of montmorillonoid-rubber asphalt emulsified particles, 0.1 to 1.3 parts of stabilizing agent, 0 to 2.2 parts of pH adjusting agent, 0.1 to 1.3 parts of interface modification agent, 1.0 to 3.8 parts of cation emulsifier and 30 to 40 parts of polyethylene glycol-ethanol-aqueous solution in the volume ratio of 1:1:1; the solidification agent comprises the following substances in parts by weight: 10 to 20 parts of calcium chloride, 0.05 to 0.4 part of sodium chloride, 0.05 to 0.5 part of composite aluminum-iron polymer and 80 to 90 parts of water. When in use, the modified montmorillonoid-rubber asphalt suspension liquid is proportioned with the solidification agent according to the mass ratio of (3.5-15): 1 to be sprayed on the surface of a building. The waterproof paint also can be sprayed at the temperature of less than 5 DEG C.
Description
Technical field
The present invention relates to a kind of waterproof paint, particularly a kind of spraying rapid hardening waterproof paint of applicable severe cold area application.
Background technology
Spraying rapid hardening rubber asphalt waterproof coating main component is made up of two or more high-performance modified emulsified rubber asphalts and the short solidifying catalyzer of chemistry, has the two-component system of rapid initial set consolidation behavior.Be a kind of mechanically spraying operating technique that adopts, can make the small molecule micelle in material form sucker effect with concrete cement basic unit rapidly, stop up basal plane pore firm film forming, there is the glued membrane system product of excellent waterproof, anticorrosion, barrier propterty.
Spraying rapid hardening rubber asphalt waterproof coating is except having the advantage of conventional waterproof coating, also there is following characteristic: 1) spraying rapid hardening rubber asphalt product is the domestic waterproof paint that adopts cold-working industry spraying application novel process, construct simple, quick and easy, the duration is short, effect improves, and unit rush-harvesting and rush-planting (3 people's group) 8h continuous spray (thickness 2mm) area is at 1000m
2; 2) this product is composited by ipn technology and nanotechnology and asphalt modification by multiple compounded rubber, utilizes short solidifying Catalysis Principles to make the rapid initial set of product, and film forming speed is fast, and initial set set time is only 3～5s; 3) can accomplish one-pass film-forming in coating film thickness 1～4mm, save time, laborsaving, efficient, and keep the homogeneity that glued membrane is good; 4) this product is to on-the-spot strong adaptability, and basic level requirement is wide in range, and execution conditions are not harsh, is applicable to various special-shaped basal planes, only need substrate surface clean, without open fire; Construction Qian Jinxudui basic unit carries out simple smooth processing, does not generally need separately to do screed-coat; 5) after formed product, there is higher elasticity and puncture resistance, tension set 1200%～1800%, and there is excellent self-healing function; 6) have good heat-resistant stability and cold resistance, applied environment temperature is-35～80 ℃; 7) between glued membrane and multiple basic unit (except resene, nickeliferous, containing chronium metal, containing lipid) and waterproof paint, there is good cohesiveness, anti-aging and erosion resistance is strong; 8) this product fire protection flame retarding, from fire, from putting out, combustionproperty meets safe construction requirement; 9) product is water base, and VOC content is low, nontoxic, tasteless, non-stimulated, production, construction process Non-carbonized, the flames of anger, pollution-free, environmental protection, convenient transportation.Due to above-mentioned plurality of advantages, spraying rapid hardening rubber asphalt series waterproofing paint is widely used, and can be used for that building and underground project waterproof, Industrial buildings and hardware are antiseptic and rustproof, concrete and brick structures protects, percolating water improvement and reparation, large pool, gas tank, disposal site, sewage work's waterproof protective etc.
However, in prior art, the application of spraying rapid hardening rubber asphalt series waterproofing paint still will be subject to the restriction of its working conditions: 1) spraying rapid hardening rubber asphalt product is bicomponent system, need to adopt custom-designed spraying transmit machine device operating system construction, dry under field conditions (factors) after film forming rapidly; 2) the standard consumption of this product is: when waterproof coating thickness is 1mm, material usage is 1.5～2.0kg/m
2; 3) product initial set film forming in 5s after spraying, seasoning molding time can be affected by the condition such as envrionment temperature and humidity.When standard thickness 1mm, 23 ℃, relative humidity 50% time, glued membrane is complete drying moulding in 24h; 4) when ambient air temperature is during lower than 5 ℃, rubber asphalt can condense, poor fluidity, therefore spraying rapid hardening rubber asphalt series waterproofing paint of the prior art can not be when lower than 5 ℃ spraying operation, and can not endure cold before there is no moulding.
In above-mentioned condition, especially, during for the spraying of spraying rapid hardening rubber asphalt waterproof coating, envrionment temperature is not less than the requirement of 5 ℃, the area of growing for northern China severe cold time remaining, and this requirement is by the application of restriction spraying rapid hardening rubber asphalt waterproof coating.
Based on the above, a kind of exploitation of the spraying rapid hardening rubber asphalt waterproof coating for severe cold area design is by necessary property.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of spraying rapid hardening rubber asphalt waterproof coating, and this waterproof paint also can spraying operation when lower than 5 ℃.
In order to solve the problems of the technologies described above, the present invention proposes following technical proposal:
Described spraying rapid hardening rubber asphalt waterproof coating comprises modified montmorillonoid-rubber asphalt suspension and peptizer:
Described modified montmorillonoid-rubber asphalt suspension, in mass fraction, formed by following material: polyoxyethylene glycol-ethanol-water solution 30-40 part that modified montmorillonoid-rubber asphalt emulsified particle 55-67 part, stablizer 0.1-1.3 part, pH adjusting agent 0-2.2 part, interface modifier 0.1-1.3 part, anionic emulsifier 1.0-3.8 part, volume ratio are 1:1:1;
Described modified montmorillonoid-rubber asphalt suspension adopts following method to be prepared from: (1) prepares modified montmorillonoid-rubber asphalt emulsified particle, for subsequent use; (2) anionic emulsifier, stablizer and interface modifier are added to the water stirring and dissolving, the temperature of water is 40 ℃-70 ℃, regulates the pH value of dissolving gained emulsion to 2-12 by pH adjusting agent; (3) modified montmorillonoid-rubber asphalt emulsified particle step (1) being obtained mixes with the solution that step (2) makes, and joins in ultraemulsifier and carries out emulsification, ultrasonic frequency 25-30KHz, emulsification times 5-10min;
Described peptizer, in mass fraction, is made up of following material: calcium chloride 10-20 part, sodium-chlor 0.05-0.4 part, compound ferro-aluminum polymkeric substance 0.05-0.5 part, water 80-90 part;
When use, described modified montmorillonoid-rubber asphalt suspension and described peptizer are sprayed into building surface with the quality proportioning of 3.5-15:1.
Described modified montmorillonoid-rubber asphalt emulsified particle is to make by reversed emulsion polymerization, and its formula is as follows: according to the mass fraction, and modified montmorillonoid 10-30 part, rubber asphalt 65-85 part; Anionic emulsifier 1.0-4.0 part; Pigment 1.0-10 part.
The preparation method of modified montmorillonoid-rubber asphalt emulsified particle, makes by reversed emulsion polymerization, and step is as follows: 1) rubber asphalt heating melting maintenance are stirred; 2) modified montmorillonoid and anionic emulsifier and pigment are added successively, be placed in high-shear emulsifying dispersion machine, shearing rate 150rpm, shear time 20 minutes, obtains modified montmorillonoid-rubber asphalt emulsified particle.
Anionic emulsifier in spraying rapid hardening rubber asphalt waterproof coating and modified montmorillonoid-rubber asphalt emulsified particle formula is one or more in metal carboxylate, sulfuric ester salt, Sulfonates or phosphates surfactant material.The wherein preferred sodium stearate of metal carboxylate, sulfuric ester salt preferably sodium dodecyl sulfate, Sulfonates preferred alkyl sodium sulfonate, the preferred Potassium dodecyl phosphate of phosphates.
Pigment described in modified montmorillonoid-rubber asphalt emulsified particle formula is selected from one or more in green of red iron oxide, light chrome yellow, cobalt blue, cobalt titanium.Red iron oxide wherein takes on a red color Powdered; Light chrome yellow is the Powdered of yellow, and its main component is the lead chrome pigment of lead chromate and lead sulfate Solid solution, and wherein lead chromate is about 65%-71%, and lead sulfate is about 23%-30%; Cobalt blue is the nontoxic mineral dye of a kind of blue high-performance environment-friendly, is blue powder shape, and main component is Leyden blue; The nontoxic mineral dye of the green a kind of environmental protection of cobalt titanium, is green flour powder.
In modified montmorillonoid-rubber asphalt emulsified particle, rubber asphalt is external phase, it is the theme composition in structure, modified montmorillonoid is by two-layer Si-O tetrahedron and the octahedra layered silicate crystal forming of one deck Al-O, by letex polymerization, the micro-reticulated structure of rubber asphalt is present between described modified montmorillonoid lamella, this compact layer structure is made to emulsion, the polynite of breakdown of emulsion post-modification and building surface adhesivity.Described modified montmorillonoid is to make its inner hydrophilic base become the consistency of hydrophobic group improvement and described rubber modified asphalt by modification, and the severe cold area climatope condition of the selection of bituminous material of the present invention and use adapts.
Described in modified montmorillonoid-rubber asphalt suspension formulation, stablizer is one or more in soluble chloride salt, vitriol, nitrate, phosphoric acid salt and silicate.Described stablizer can, by adjusting ion-conductance potential difference, increase the repulsive force between particle, the stability of enhancing modified polynite-rubber asphalt emulsified particle.
PH value conditioning agent described in modified montmorillonoid-rubber asphalt suspension formulation can be acid or alkali, and described acid is selected from one or more in hydrochloric acid, sulfuric acid, Glacial acetic acid, citric acid, lipid acid and Whitfield's ointment; Described alkali is selected from one or more in sodium hydroxide, potassium hydroxide, sodium carbonate and sodium bicarbonate.It can improve emulsifying effectiveness and ionic strength by the potential of hydrogen that regulates modified montmorillonoid-rubber asphalt emulsified particle solution, improves stability.
Interface modifier described in modified montmorillonoid-rubber asphalt suspension formulation can be the mixture of Soxylat A 25-7, alkylamine and polyocarboxy acid type polymeric surface active agent.Wherein, according to the difference of working conditions, in mass fraction, in interface modifier, the ratio of three kinds of components is, Soxylat A 25-7 accounts for 0-1 part, and alkylamine accounts for 0-0.5 part, and polyocarboxy acid type polymeric surface active agent accounts for 1.0-2.5 part.The wherein preferred dodecyl primary amine of alkylamine or domiphen.Its role is to improve the interface bonding state of organic constituent and inorganic component, reduce the temperature sensitivity of rubber asphalt, improve the consistency between rubber asphalt and modified montmorillonoid, thereby improve the frost resistance that makes modified montmorillonoid-rubber asphalt emulsified particle.
Modified montmorillonoid-rubber asphalt suspension ultraemulsifier of preparing of the present invention is preferably zufolo formula ultraemulsifier.
Rubber asphalt of the present invention is selected from one or more in SBS modifying asphalt, styrene butadiene rubber modified asphalt.
Technique effect of the present invention can be by following evidence.
The comparison of spraying rapid hardening rubber asphalt waterproof coating outward appearance under low temperature environment prepared by test example 1 different process
The preparation of 1.1 test samples
Sample-1: prepare by embodiment 3;
Sample-2: the polyoxyethylene glycol-ethanol-water solution in modified montmorillonoid-rubber asphalt suspension formulation changes into the water of equal in quality, remaining same embodiment 3.
Sample-3: the ultraemulsifier in modified montmorillonoid-rubber asphalt suspension preparation technology changes high-shear emulsifying dispersion machine into, and shearing rate can exceed 150rpm, shear time 20 minutes; Remaining with embodiment 3.
Sample-4: the polyoxyethylene glycol-ethanol-water solution in modified montmorillonoid-rubber asphalt suspension formulation changes the water of equal in quality into; Ultraemulsifier in modified montmorillonoid-rubber asphalt suspension preparation technology changes high-shear emulsifying dispersion machine into, shearing rate 150rpm, shear time 20 minutes; Remaining with embodiment 3.
1.2 test method
Respectively modified montmorillonoid-rubber asphalt suspension part of sample thief-1, sample-2, sample-3, sample-4, the environment that is placed in temperature (8 ± 2) ℃ leaves standstill 24h.Take out the outward appearance of inspecting each sample.Parallel test three times.
1.3 test-results
Test-results is in table 1, and result is presented under the condition of-8 ± 2 ℃, and except sample-1 of the present invention, condensing all appears in all the other samples.The above results shows, selects polyoxyethylene glycol-alcohol-water ternary solvent and in conjunction with ultrasonic emulsification technology, can make modified montmorillonoid-rubber asphalt suspension under low temperature environment, not occur condensing.
The comparison of spraying rapid hardening rubber asphalt waterproof coating outward appearance under low temperature environment prepared by table 1 different process
Spraying rapid hardening rubber asphalt waterproof coating prepared by test example 2 different process is done solid work the comparison of time under low temperature environment
The preparation of 2.1 test samples
With test example 1 1.1.
2.2 test method
2.2.1 test tool
Timing register;
Aluminium sheet: specification 120 × 50 × (1-3) mm.
2.2.2 testing sequence
In temperature (23 ± 2) ℃, under the test conditions of relative humidity (50 ± 10) %, get surface with the clean aluminium sheet of solvent cleaned, by proportioning, sample is sprayed on aluminium sheet, spray area is 100mm × 50mm, consumption is 2.5kg/m
2after having sprayed, start writing time immediately, aluminium sheet is tilted after 45 degree placement 5min, be placed in temperature (5 ± 2) ℃, in the environment of relative humidity (30 ± 10) %, leave standstill after for some time, be not less than 10min scope internal cutting film apart from test specimen edge with blade, if all point phenomenon without adhering in bottom and film, for doing solid work, writing time, on-test to the time finishing is the time of doing solid work.
Parallel test twice, using the mean value of two times result as net result.Result is greater than no longer record of 72h person.
2.2 test-results
Test-results is in table 2, and result is presented under the condition of-5 ± 2 ℃, and except sample-1 of the present invention, all the other samples time of doing solid work is all greater than 24h.The above results shows, selects polyoxyethylene glycol-alcohol-water ternary solvent and in conjunction with ultrasonic emulsification technology, can make spraying rapid hardening rubber asphalt waterproof coating of the present invention realize under low temperature environment dry.
Spraying rapid hardening rubber asphalt waterproof coating prepared by table 2 different process is done solid work the time under low temperature environment
| Sample | Do solid work the time (h) |
| Sample-1 | 12.6 |
| Sample-2 | >72h |
| Sample-3 | 56.3 |
| Sample-4 | >72h |
Test example 3 the present invention spray rapid hardening rubber asphalt waterproof coating low temperature spraying effect test
3.1 trial-product preparations
Prepare by embodiment 3.
3.2 low temperature spray the time test of doing solid work under operating environments
3.2.1 testing method
3.2.1.1 test tool
Timing register;
Aluminium sheet: specification 120 × 50 × (1-3) mm.
3.2.1.2 testing sequence
In temperature (5 ± 2) ℃, under the test conditions of relative humidity (30 ± 10) %, get surface with the clean aluminium sheet of solvent cleaned, by proportioning, sample is sprayed on aluminium sheet, spray area is 100mm × 50mm, consumption is 2.5kg/m
2after having sprayed, start writing time immediately, then 45 degree that aluminium sheet tilted are placed, leave standstill after for some time, be not less than 10min scope internal cutting film apart from test specimen edge with blade, if all point phenomenon without adhering in bottom and film, for doing solid work, writing time, on-test to the time finishing is the time of doing solid work.
Parallel test 3 times, using the mean value of 3 results as net result.
3.2.1.3 test-results
Test-results is in table 3, and result shows, under low temp operation environment, the present invention sprays rapid hardening rubber asphalt waterproof coating can be at 24h inner drying.
Doing solid work the time under table 3 low temperature spraying operating environment
3.3 the present invention spray the test of rapid hardening rubber asphalt waterproof coating watertightness
3.3.1 test tool
Water proof apparatus;
Wire netting, aperture is 0.2mm.
3.3.2 testing sequence
Get the film that 3.2.1.2 makes, cut three approximately (150 × 150) mm test specimen in temperature (23 ± 2) ℃, under the condition of relative humidity (50 ± 10) %, place 2h, test carry out in (23 ± 5) ℃, by device water-filling until overfill, the thoroughly air in remover.
Test specimen is placed on permeable disk, on test specimen, add again the wire netting of a same size, between wire netting and film, add a filter paper and prevent bonding, cover 7 hole circle dishes, slowly clamp, with the non-upstream face of cloth or compressed air drying test specimen, be slowly added to 0.3MPa, keep pressure (30 ± 2) min, observe the permeable situation of test specimen.
3.3.3 test-results
Test-results is in table 4, and result shows, the present invention sprays rapid hardening rubber asphalt waterproof coating after low temperature spraying operation, and under 0.3MPa pressure condition, 30min is without infiltration.
The waterproof test of table 4
| Test number | 0.3MPa\30min |
| 1 | Without permeable |
| 2 | Without permeable |
| 3 | Without permeable |
3.4 conclusion
Above-mentioned test-results shows, the present invention sprays rapid hardening rubber asphalt waterproof coating can realize spraying operation under cold condition, and time of drying is short, and waterproof action is good.
Below in connection with embodiment, the present invention is further illustrated, but the scope of protection of present invention is not limited to following embodiment.
Embodiment
Embodiment 1
1, the preparation of modified montmorillonoid-rubber asphalt emulsified particle
Make by reversed emulsion polymerization, its formula is as follows: according to the mass fraction, and 10 parts of modified montmorillonoids, 65 parts of SBS modifying asphalts; 1.0 parts of anionic emulsifiers (sodium stearate); 1.0 parts of pigment (cobalt blue).
Step is as follows: 1) rubber asphalt heating melting maintenance are stirred; 2) modified montmorillonoid and anionic emulsifier and pigment are added successively, be placed in high-shear emulsifying dispersion machine, shearing rate 150rpm, shear time 20 minutes, obtains modified montmorillonoid-rubber asphalt emulsified particle.
2, the preparation of modified montmorillonoid-rubber asphalt suspension
Fill a prescription as follows: according to the mass fraction, 30 parts of polyoxyethylene glycol-ethanol-water solutions that 55 parts of modified montmorillonoid-rubber asphalt emulsified particles, 0.1 part of stablizer (SODIUMNITRATE), 0.1 part of interface modifier (polyocarboxy acid type polymeric surface active agent), 1.0 parts of anionic emulsifier (sodium stearate), volume ratio are 1:1:1.
Step is as follows: (1), by anionic emulsifier, stablizer and the interface modifier stirring and dissolving that is added to the water, the temperature of water is 40 ℃, regulates the pH value to 2 of dissolving gained emulsions by 2.2 parts of pH adjusting agents (hydrochloric acid); (2) by mixing with the solution that step (1) makes by modified montmorillonoid-rubber asphalt emulsified particle that above method makes, join in zufolo formula ultraemulsifier and carry out emulsification, ultrasonic frequency 25KHz, emulsification times 5min, to obtain final product.
3, the preparation of peptizer
Fill a prescription as follows: in mass fraction, formed by following material: 10 parts, calcium chloride, 0.05 part, sodium-chlor, 0.05 part, compound ferro-aluminum polymkeric substance, 80 parts, water;
Preparation method: by calcium chloride, sodium-chlor, compound ferro-aluminum mixed with polymers, be dissolved in water, stir and get final product.
4, using method
When use, described modified montmorillonoid-rubber asphalt suspension and described peptizer are sprayed into respectively building surface with the quality proportioning of 3.5:1.
5, the present embodiment spraying rapid hardening rubber asphalt waterproof coating low temperature spraying effect test
Method, with reference to test example 3, the results are shown in Table 5, and result shows that the present embodiment sprays rapid hardening rubber asphalt waterproof coating and can realize spraying operation under cold condition, and time of drying is short, and waterproof action is good.
Table 5 the present embodiment spraying rapid hardening rubber asphalt waterproof coating low temperature spraying effect
| Low temperature is done solid work the time (min) | Watertightness |
| 765 | 0.3MPa pressure, 30min is without infiltration |
Embodiment 2
1, the preparation of modified montmorillonoid-rubber asphalt emulsified particle
Make by reversed emulsion polymerization, its formula is as follows: according to the mass fraction, and 30 parts of modified montmorillonoids, 85 parts of styrene butadiene rubber modified asphalts; 4.0 parts of anionic emulsifier (alkyl sodium sulfonate); 10 parts of pigment (light chrome yellow).
Step is as follows: 1) rubber asphalt heating melting maintenance are stirred; 2) modified montmorillonoid and anionic emulsifier and pigment are added successively, be placed in high-shear emulsifying dispersion machine, shearing rate 150rpm, shear time 20 minutes, obtains modified montmorillonoid-rubber asphalt emulsified particle.
2, the preparation of modified montmorillonoid-rubber asphalt suspension
Fill a prescription as follows: according to the mass fraction, 67 parts of modified montmorillonoid-rubber asphalt emulsified particles, 1.3 parts of stablizers (sodium sulfate), interface modifier (mixture, according to the mass fraction, wherein Soxylat A 25-7 accounts for 1 part, dodecyl primary amine accounts for 0.5 part, and polyocarboxy acid type polymeric surface active agent accounts for 2.5 parts) 40 parts of 1.3 parts, 3.8 parts of anionic emulsifier (alkyl sodium sulfonate), volume ratio polyoxyethylene glycol-ethanol-water solutions that is 1:1:1.
Step is as follows: (1), by anionic emulsifier, stablizer and the interface modifier stirring and dissolving that is added to the water, the temperature of water is 70 ℃, regulates the pH value to 12 of dissolving gained emulsions by 1.0 parts of pH adjusting agents (sodium hydroxide); (2) by mixing with the solution that step (1) makes by modified montmorillonoid-rubber asphalt emulsified particle that above method makes, join in zufolo formula ultraemulsifier and carry out emulsification, ultrasonic frequency 30KHz, emulsification times 10min, to obtain final product.
3, the preparation of peptizer
Fill a prescription as follows: in mass fraction, formed by following material: 20 parts, calcium chloride, 0.4 part, sodium-chlor, 0.5 part, compound ferro-aluminum polymkeric substance, 90 parts, water;
Preparation method: by calcium chloride, sodium-chlor, compound ferro-aluminum mixed with polymers, be dissolved in water, stir and get final product.
4, using method
When use, described modified montmorillonoid-rubber asphalt suspension and described peptizer are sprayed into respectively building surface with the quality proportioning of 15:1.
5, the present embodiment spraying rapid hardening rubber asphalt waterproof coating low temperature spraying effect test
Method, with reference to test example 3, the results are shown in Table 5, and result shows that the present embodiment sprays rapid hardening rubber asphalt waterproof coating and can realize spraying operation under cold condition, and time of drying is short, and waterproof action is good.
Table 6 the present embodiment spraying rapid hardening rubber asphalt waterproof coating low temperature spraying effect
| Low temperature is done solid work the time (min) | Watertightness |
| 776 | 0.3MPa pressure, 30min is without infiltration |
Embodiment 3
1, the preparation of modified montmorillonoid-rubber asphalt emulsified particle
Make by reversed emulsion polymerization, its formula is as follows: according to the mass fraction, and 20 parts of modified montmorillonoids, 70 parts of rubber asphalts (SBS modifying asphalt); 3.0 parts of anionic emulsifier (sodium lauryl sulphate); 5 parts of pigment (red iron oxide).
Step is as follows: 1) rubber asphalt heating melting maintenance are stirred; 2) modified montmorillonoid and anionic emulsifier and pigment are added successively, be placed in high-shear emulsifying dispersion machine, shearing rate 150rpm, shear time 20 minutes, obtains modified montmorillonoid-rubber asphalt emulsified particle.
2, the preparation of modified montmorillonoid-rubber asphalt suspension
Fill a prescription as follows: according to the mass fraction, 60 parts of modified montmorillonoid-rubber asphalt emulsified particles, 0.6 part of stablizer (sodium-chlor), interface modifier (mixture, according to the mass fraction, wherein Soxylat A 25-7 accounts for 0.5 part, domiphen accounts for 0.3 part, and polyocarboxy acid type polymeric surface active agent accounts for 2.0 parts) 35 parts of 0.6 part, 2.5 parts of anionic emulsifier (sodium lauryl sulphate), volume ratio polyoxyethylene glycol-ethanol-water solutions that is 1:1:1.
Step is as follows: (1), by anionic emulsifier, stablizer and the interface modifier stirring and dissolving that is added to the water, the temperature of water is 40 ℃-70 ℃, and the pH value of gained emulsion is 5; (2) by mixing with the solution that step (1) makes by modified montmorillonoid-rubber asphalt emulsified particle that above method makes, join in zufolo formula ultraemulsifier and carry out emulsification, ultrasonic frequency 28KHz, emulsification times 8min, to obtain final product.
3, the preparation of peptizer
Fill a prescription as follows: in mass fraction, formed by following material: 15 parts, calcium chloride, 0.2 part, sodium-chlor, 0.3 part, compound ferro-aluminum polymkeric substance, 85 parts, water;
Preparation method: by calcium chloride, sodium-chlor, compound ferro-aluminum mixed with polymers, be dissolved in water, stir and get final product.
4, using method
When use, described modified montmorillonoid-rubber asphalt suspension and described peptizer are sprayed into respectively building surface with the quality proportioning of 10:1.
5, the present embodiment spraying rapid hardening rubber asphalt waterproof coating low temperature spraying effect test
Method, with reference to test example 3, the results are shown in Table 5, and result shows that the present embodiment sprays rapid hardening rubber asphalt waterproof coating and can realize spraying operation under cold condition, and time of drying is short, and waterproof action is good.
Table 7 the present embodiment spraying rapid hardening rubber asphalt waterproof coating low temperature spraying effect
| Low temperature is done solid work the time (min) | Watertightness |
| 736 | 0.3MPa pressure, 30min is without infiltration |
Embodiment 4
1, the preparation of modified montmorillonoid-rubber asphalt emulsified particle
Make by reversed emulsion polymerization, its formula is as follows: according to the mass fraction, and 20 parts of modified montmorillonoids, 70 parts of rubber asphalts (mixture, SBS modifying asphalt accounts for 1 part according to the mass fraction, styrene butadiene rubber modified asphalt accounts for 1 part); 3.0 parts of anionic emulsifier (Potassium dodecyl phosphate); 5 parts of pigment (cobalt titanium is green).
Step is as follows: 1) rubber asphalt heating melting maintenance are stirred; 2) modified montmorillonoid and anionic emulsifier and pigment are added successively, be placed in high-shear emulsifying dispersion machine, shearing rate 150rpm, shear time 20 minutes, obtains modified montmorillonoid-rubber asphalt emulsified particle.
2, the preparation of modified montmorillonoid-rubber asphalt suspension
Fill a prescription as follows: according to the mass fraction, 60 parts of modified montmorillonoid-rubber asphalt emulsified particles, 0.5 part of stablizer (sodium hydrogen phosphate), interface modifier (mixture, according to the mass fraction, wherein domiphen accounts for 0.3 part, and polyocarboxy acid type polymeric surface active agent accounts for 2.0 parts) 30 parts of 0.6 part, 2.2 parts of anionic emulsifier (Potassium dodecyl phosphate), volume ratio polyoxyethylene glycol-ethanol-water solutions that is 1:1:1.
Step is as follows: (1), by anionic emulsifier, stablizer and the interface modifier stirring and dissolving that is added to the water, the temperature of water is 40 ℃-70 ℃, regulates the pH value to 10 of dissolving gained emulsions by 1.8 parts of pH adjusting agents (sodium bicarbonate); (2) by mixing with the solution that step (1) makes by modified montmorillonoid-rubber asphalt emulsified particle that above method makes, join in zufolo formula ultraemulsifier and carry out emulsification, ultrasonic frequency 25KHz, emulsification times 8min, to obtain final product.
3, the preparation of peptizer
Fill a prescription as follows: in mass fraction, formed by following material: 15 parts, calcium chloride, 0.2 part, sodium-chlor, 0.3 part, compound ferro-aluminum polymkeric substance, 85 parts, water;
Preparation method: by calcium chloride, sodium-chlor, compound ferro-aluminum mixed with polymers, be dissolved in water, stir and get final product.
4, using method
When use, described modified montmorillonoid-rubber asphalt suspension and described peptizer are sprayed into respectively building surface with the quality proportioning of 10:1.
5, the present embodiment spraying rapid hardening rubber asphalt waterproof coating low temperature spraying effect test
Method, with reference to test example 3, the results are shown in Table 5, and result shows that the present embodiment sprays rapid hardening rubber asphalt waterproof coating and can realize spraying operation under cold condition, and time of drying is short, and waterproof action is good.
Table 8 the present embodiment spraying rapid hardening rubber asphalt waterproof coating low temperature spraying effect
| Low temperature is done solid work the time (min) | Watertightness |
| 767 | 0.3MPa pressure, 30min is without infiltration |
Embodiment 5
1, the preparation of modified montmorillonoid-rubber asphalt emulsified particle
Make by reversed emulsion polymerization, its formula is as follows: according to the mass fraction, and 20 parts of modified montmorillonoids, 72 parts of rubber asphalts (SBS modifying asphalt); 3.2 parts of anionic emulsifier (sodium lauryl sulphate-alkyl sodium sulfonate mixture of mass ratio 1:1); 5 parts of pigment (mass ratio 3:1 cobalt titanium green-cobalt blue mixture).
Step is as follows: 1) rubber asphalt heating melting maintenance are stirred; 2) modified montmorillonoid and anionic emulsifier and pigment are added successively, be placed in high-shear emulsifying dispersion machine, shearing rate 150rpm, shear time 20 minutes, obtains modified montmorillonoid-rubber asphalt emulsified particle.
2, the preparation of modified montmorillonoid-rubber asphalt suspension
Fill a prescription as follows: according to the mass fraction, 62 parts of modified montmorillonoid-rubber asphalt emulsified particles, 0.4 part of stablizer (sodium-chlor-sodium silicate mixture of mass ratio 1:1), interface modifier (mixture, according to the mass fraction, wherein Soxylat A 25-7 accounts for 0.5 part, domiphen accounts for 0.3 part, and polyocarboxy acid type polymeric surface active agent accounts for 2.0 parts) 35 parts of 0.6 part, 2.5 parts of anionic emulsifier (sodium lauryl sulphate-alkyl sodium sulfonate mixture of mass ratio 1:1), volume ratio polyoxyethylene glycol-ethanol-water solutions that is 1:1:1.
Step is as follows: (1), by anionic emulsifier, stablizer and the interface modifier stirring and dissolving that is added to the water, the temperature of water is 40 ℃-70 ℃, regulates the pH value to 4 of dissolving gained emulsions by 1.5 parts of pH adjusting agents (citric acid); (2) by mixing with the solution that step (1) makes by modified montmorillonoid-rubber asphalt emulsified particle that above method makes, join in zufolo formula ultraemulsifier and carry out emulsification, ultrasonic frequency 28KHz, emulsification times 8min, to obtain final product.
3, the preparation of peptizer
Fill a prescription as follows: in mass fraction, formed by following material: 15 parts, calcium chloride, 0.2 part, sodium-chlor, 0.3 part, compound ferro-aluminum polymkeric substance, 85 parts, water;
Preparation method: by calcium chloride, sodium-chlor, compound ferro-aluminum mixed with polymers, be dissolved in water, stir and get final product.
4, using method
When use, described modified montmorillonoid-rubber asphalt suspension and described peptizer are sprayed into respectively building surface with the quality proportioning of 5:1.
5, the present embodiment spraying rapid hardening rubber asphalt waterproof coating low temperature spraying effect test
Method, with reference to test example 3, the results are shown in Table 5, and result shows that the present embodiment sprays rapid hardening rubber asphalt waterproof coating and can realize spraying operation under cold condition, and time of drying is short, and waterproof action is good.
Table 9 the present embodiment spraying rapid hardening rubber asphalt waterproof coating low temperature spraying effect
| Low temperature is done solid work the time (min) | Watertightness |
| 772 | 0.3MPa pressure, 30min is without infiltration |
Claims (9)
1. a spraying rapid hardening rubber asphalt waterproof coating, is characterized in that, described spraying rapid hardening rubber asphalt waterproof coating comprises modified montmorillonoid-rubber asphalt suspension and peptizer:
Described modified montmorillonoid-rubber asphalt suspension, in mass fraction, formed by following material: polyoxyethylene glycol-ethanol-water solution 30-40 part that modified montmorillonoid-rubber asphalt emulsified particle 55-67 part, stablizer 0.1-1.3 part, pH adjusting agent 0-2.2 part, interface modifier 0.1-1.3 part, anionic emulsifier 1.0-3.8 part, volume ratio are 1:1:1;
Described modified montmorillonoid-rubber asphalt suspension adopts following method to be prepared from: (1) prepares modified montmorillonoid-rubber asphalt emulsified particle, for subsequent use; (2) anionic emulsifier, stablizer and interface modifier are added to the water stirring and dissolving, the temperature of water is 40 ℃-70 ℃, regulates the pH value of dissolving gained emulsion to 2-12 by pH adjusting agent; (3) modified montmorillonoid-rubber asphalt emulsified particle step (1) being obtained mixes with the solution that step (2) makes, and joins in ultraemulsifier and carries out emulsification, ultrasonic frequency 25-30KHz, emulsification times 5-10min;
Described peptizer, in mass fraction, is made up of following material: calcium chloride 10-20 part, sodium-chlor 0.05-0.4 part, compound ferro-aluminum polymkeric substance 0.05-0.5 part, water 80-90 part;
When use, described modified montmorillonoid-rubber asphalt suspension and described peptizer are sprayed into building surface with the quality proportioning of 3.5-15:1.
2. a kind of spraying rapid hardening rubber asphalt waterproof coating according to claim 1, it is characterized in that, described modified montmorillonoid-rubber asphalt emulsified particle is to make by reversed emulsion polymerization, and its formula is as follows: according to the mass fraction, modified montmorillonoid 10-30 part, rubber asphalt 65-85 part; Anionic emulsifier 1.0-4.0 part; Pigment 1.0-10 part.
3. a kind of spraying rapid hardening rubber asphalt waterproof coating according to claim 2, is characterized in that, described pigment is selected from one or more in green of red iron oxide, light chrome yellow, cobalt blue, cobalt titanium.
4. a kind of spraying rapid hardening rubber asphalt waterproof coating according to claim 1, is characterized in that, described stablizer is one or more in soluble chloride salt, vitriol, nitrate, phosphoric acid salt and silicate.
5. a kind of spraying rapid hardening rubber asphalt waterproof coating according to claim 1, is characterized in that, described pH value conditioning agent can be acid or alkali, and described acid is selected from one or more in hydrochloric acid, sulfuric acid, Glacial acetic acid, citric acid, lipid acid and Whitfield's ointment; Described alkali is selected from one or more in sodium hydroxide, potassium hydroxide, sodium carbonate and sodium bicarbonate.
6. a kind of spraying rapid hardening rubber asphalt waterproof coating according to claim 1, it is characterized in that, described interface modifier is the mixture of Soxylat A 25-7, alkylamine and polyocarboxy acid type polymeric surface active agent, in mass fraction, the ratio of three kinds of components is, Soxylat A 25-7 0-1 part, alkylamine 0-0.5 part, polyocarboxy acid type polymeric surface active agent 1.0-2.5 part.
7. a kind of spraying rapid hardening rubber asphalt waterproof coating according to claim 1, is characterized in that, described ultraemulsifier is zufolo formula ultraemulsifier.
8. according to the one spraying rapid hardening rubber asphalt waterproof coating described in claim 1-7 any one, it is characterized in that, described anionic emulsifier is one or more in metal carboxylate, sulfuric ester salt, Sulfonates or phosphates surfactant material.
9. according to the one spraying rapid hardening rubber asphalt waterproof coating described in claim 1-7 any one, it is characterized in that, described rubber asphalt is selected from one or more in SBS modifying asphalt, styrene butadiene rubber modified asphalt.
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| CN105949480A (en) * | 2016-05-23 | 2016-09-21 | 中海沥青股份有限公司 | Emulsified asphalt special for spraying rubber asphalt paint and preparation method of emulsified asphalt |
| CN108285743A (en) * | 2017-12-29 | 2018-07-17 | 北京东方雨虹防水技术股份有限公司 | A kind of bridge water and milk asphalt waterproofing paint and preparation method thereof |
| CN110256965A (en) * | 2019-07-08 | 2019-09-20 | 宏恒达防水材料有限公司 | A kind of spraying rapid hardening rubber asphalt waterproof coating and preparation method thereof |
| CN112375413A (en) * | 2020-10-30 | 2021-02-19 | 苏州久泰防水工程有限公司 | Rubber asphalt waterproof coating |
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| CN104140761A (en) * | 2014-08-06 | 2014-11-12 | 苏州卓越工程塑料有限公司 | Sprayed rapid hardening rubber asphalt water-proof material used in severe cold areas |
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| CN104264715B (en) * | 2014-09-03 | 2017-01-11 | 大禹伟业(北京)国际科技有限公司 | Composite waterproof layer for environmental engineering and preparing and constructing method thereof |
| CN104806273A (en) * | 2015-05-11 | 2015-07-29 | 贵州省材料产业技术研究院 | Seamlessly-overlapped and rapidly-condensed waterproof material with water discharging function and application method |
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| CN105949480B (en) * | 2016-05-23 | 2018-04-03 | 中海沥青股份有限公司 | One kind spraying rubber-asphalt coating special-purpose emulsifying pitch and preparation method thereof |
| CN108285743A (en) * | 2017-12-29 | 2018-07-17 | 北京东方雨虹防水技术股份有限公司 | A kind of bridge water and milk asphalt waterproofing paint and preparation method thereof |
| CN110256965A (en) * | 2019-07-08 | 2019-09-20 | 宏恒达防水材料有限公司 | A kind of spraying rapid hardening rubber asphalt waterproof coating and preparation method thereof |
| CN110256965B (en) * | 2019-07-08 | 2021-06-25 | 宏恒达防水材料有限公司 | Spraying quick-setting rubber asphalt waterproof coating and preparation method thereof |
| CN112375413A (en) * | 2020-10-30 | 2021-02-19 | 苏州久泰防水工程有限公司 | Rubber asphalt waterproof coating |
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