CN109233600A - A kind of long-acting hydrophobic type suppression ice coating and preparation method thereof - Google Patents

A kind of long-acting hydrophobic type suppression ice coating and preparation method thereof Download PDF

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Publication number
CN109233600A
CN109233600A CN201811056679.0A CN201811056679A CN109233600A CN 109233600 A CN109233600 A CN 109233600A CN 201811056679 A CN201811056679 A CN 201811056679A CN 109233600 A CN109233600 A CN 109233600A
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agent
acting
acting hydrophobic
coating
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CN109233600B (en
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孙聪
丁庆军
方四发
沈凡
李进辉
周锐
郭鹏
卢吉
刘冰
尹炼
张宏斌
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Wuhan University of Technology WUT
Wuhan Municipal Construction Group Co Ltd
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Wuhan University of Technology WUT
Wuhan Municipal Construction Group Co Ltd
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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
    • 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
    • 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Road Paving Structures (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention discloses a kind of long-acting hydrophobic types to press down ice coating, it includes A material, B material and paraffin powder, and wherein A material includes polyurethane, long-acting hydrophobic suppression ice agent and polyurethane curing agent；B material includes aqueous epoxy resins and aqueous epoxy resin curing agent.The long-acting hydrophobic type of gained of the invention presses down ice coating, can effectively inhibit forming for road surface ice sheet in frost rain and snow weather, can also play the effect for melting, destroying, keeping ice sheet thinning to ice sheet under exceedingly odious weather；And the still sustained release deicing salt under road surface running vehicle load, play long-acting stable effect；This long-acting stable type suppression ice coating can directly be adhered to bituminous pavement, and roller coating effectively reduces road surface freezing disaster in bituminous pavement, for ice and snow weather traffic safety important in inhibiting.

Description

A kind of long-acting hydrophobic type suppression ice coating and preparation method thereof
Technical field
The invention belongs to field of road, and in particular to a kind of long-acting hydrophobic type suppression ice coating and preparation method thereof.
Background technique
Winter further exceedingly odious ice and snow weather, the traffic safety of road pavement cause strong influence, major motor vehicle Accident is frequently experienced in the section to freeze by ice and snow weather.It is current for how removing road surface ice sheet to inhibit icy on road in other words One pressing issues in road field.The deicing mode on previous road surface is often using directly spreading salt deicing salt and snow removal with machine Mode, not only need a large amount of manpower and material resources, while the direct spreading of salt deicing salt can also damage surrounding enviroment. Existing seif-citing rate elasticity pavement technique is that rubber grain is incorporated into bituminous concrete at this stage, utilizes the strain quilt of material Dynamic suppression ice, but Pavement Performance will receive influences, road surface conduction technology, hot pipe technique are to make road surface conduction or in ground lower berth respectively If heat conducting pipe carries out actively pressing down ice, certain suppression ice effect can reach.Using Wuhan as the winter weather of the middle part of representative Belong to not counting extremely cold, snowfall is general, but wet weather, therefore snow deposit easily melts after snowfall, thickness ice sheet in formation, ice and snow day The number of days of gas is also few, can play certain snow melt using heat pipe or conductive technology in the area of this weather and press down ice effect, But spraying technology is comparatively convenient with regard to construction is simple, and cost is relatively low, can also play good suppression ice effect.
Current suppression ice coating is generally existing poor with road surface adhesion strength, and deicing salt discharges of short duration problem；Adhesion strength Difference, under the rolling of vehicular load traveling, coating structure will be destroyed；And deicing salt rate of release is fast, in subsequent low temperature In ice and snow weather then without or a small amount of deicing salt play the effect of snow melt suppression ice；It cannot achieve the effect that discharge steadily in the long term, it is durable Performance is poor.Winter climate situation in face of middle part or other regional consecutive low temperature weather cannot ensure winter lasting suppression ice Effect.
Summary of the invention
It is a primary object of the present invention in view of the deficienciess of the prior art, providing a kind of long-acting hydrophobic type suppression ice coating Coating, it is good with road surface adhesion strength, and has the characteristics that the permanently effective preparation method letter for inhibiting icy on road, and being related to Single, raw material is easy to get, and is suitble to promote and apply.
To achieve the above object, the technical solution adopted by the present invention are as follows:
A kind of long-acting hydrophobic type suppression ice coating, material therefor are a kind of long-acting hydrophobic type suppression ice coating, it includes A material, B material With paraffin powder, wherein A material includes polyurethane, long-acting hydrophobic suppression ice agent and polyurethane curing agent；B material include aqueous epoxy resins and Aqueous epoxy resin curing agent.
In above scheme, the mass ratio of the A material, B material and paraffin powder is (4-6): (1-3): (0.5-1)；Urethane in A material Mass ratio with long-acting hydrophobic suppression ice agent is (7-8): the mass ratio of (1-2), polyurethane and polyurethane curing agent is 1:(0.5- 1)；The mass ratio of aqueous epoxy resins and aqueous epoxy resin curing agent is 1:(0.5-1 in B material).
In above scheme, the preparation method of the long-acting hydrophobic suppression ice agent includes the following steps:
1) preparation of composite snow-melting agent saturated solution；It prepares and prepares calcium chloride saturation under the conditions of 60-80 DEG C of temperature respectively Then three is mixed to obtain composite snow-melting agent saturated solution by solution, magnesium chloride saturated solution, sodium chloride saturated solution；
2) zeolite powder-composite diatomite deicing salt preparation；Zeolite powder and silicon are added into composite snow-melting agent saturated solution Diatomaceous earth carries out heating water bath stirring, and water-reducing agent is then added, and gained mixture is carried out high speed shear processing, stands (12- For 24 hours), gained mixed liquor is filtered, is dried in vacuo, obtain zeolite powder-composite diatomite deicing salt；
3) it disperses gained zeolite powder-composite diatomite deicing salt in organic solvent, carries out ultrasonic vibration (2-3h) shape At suspension, coupling agent is added, continues ultrasonic vibration (3-5h), then filtered, be dried in vacuo (4-6h), ball milling (4- 12h), long-acting hydrophobic suppression ice agent is obtained.
In above scheme, the mass ratio of the zeolite powder, diatomite and water-reducing agent is (0.5-1): (1-2): (0.1- 0.3)；The mass ratio of the gross mass of zeolite powder and diatomite and composite snow-melting agent saturated solution is (0.5-1): (7-9).
In above scheme, the coupling agent is silane coupling agent, and the coupling agent is silane coupling agent, coupling agent and zeolite Powder-composite diatomite deicing salt mass ratio is (0.1-0.3): (7-9).
Preferably, the coupling agent presses (3-5) by Y- aminopropyltriethoxywerene werene and dimethyl silicone polymer: The mass ratio of (0.5-1) mixes.
In above scheme, heating water bath whipping temp described in step 2) is 60-70 DEG C, time 5-10min.
In above scheme, high speed shear speed described in step 2) is 2000 turns/min, time 30-40min.
In above scheme, vacuum drying pressure described in step 2) is 100-200Kpa, and temperature is 100-200 DEG C, the time For 1-2h.
In above scheme, the zeolite powder partial size is 0.5-1mm；The partial size of diatomite is 2.5-5.5mm, wherein SiO2Contain Measure >=88.9% (mass ratio).
In above scheme, solid content >=50% of the polyurethane；Aqueous epoxy resins epoxide equivalent is 185-190, Gu Content >=60% is non-ion aqueous epoxy resin.
In above scheme, solid content >=50% of the polyurethane curing agent is non-ionic curing agent；Water-base epoxy tree Rouge curing agent solid content >=60%, VOC content >=70% are non-ionic curing agent.
In above scheme, the paraffin powder is holocrystalline type paraffin, and oil content is 0.5-1.5% (mass ratio), granularity 1- 2mm。
A kind of preparation method of above-mentioned long-acting hydrophobic type suppression ice coating includes the following steps: polyurethane and long-acting hydrophobic Suppression ice agent is mixed and stirred for uniformly, polyurethane curing agent being added, continues to stir evenly in proportion, obtains A material；By water-base epoxy tree Rouge and aqueous epoxy resin curing agent are mixed and stirred for uniformly, obtaining B material in proportion；A material, B material and paraffin powder are mixed in proportion And it stirs evenly and presses down ice coating to get long-acting hydrophobic type.
Above-mentioned long-acting hydrophobic type suppression ice coating is applied to bituminous pavement and prepares long-acting hydrophobic type suppression ice coating, is specifically included Following steps: by long-acting hydrophobic type suppression ice paint rolling applying after bituminous pavement, coating thickness 0.5-1mm, 3-6h surface drying to get Long-acting hydrophobic type presses down ice coating.
Compared with prior art, the beneficial effects of the present invention are:
1) present invention mixes water, calcium chloride, magnesium chloride, sodium chloride four, tentatively prepares composite snow-melting component, and gained is mixed The fusing point (freezing point) for closing material is low, can play good suppression ice effect；
2) present invention, which combines, has the zeolite and diatomite of porous structure, wherein diatomite have it is smaller than zeolite pores and Finer and close cellular structure can form different channels to absorb deicing salt, and the release of deicing salt carries out in different channels, And different rate of release is shown, it can reach the effect of sustained release snow melting material.
3) after composite snow-melting agent is carried out silicic acid anhydride by the present invention, coating surface becomes more again on the basis of hydrophobic Coarse, angle of wetting increases, and improves the suppression ice effect of coating surface；In addition, being added on the basis of deicing salt is in spot distribution Paraffin is covered on superficial layer, and connecting dotted is in network structure, keeps surface water-repellent layer more stable, and suppression ice effect further strengthens.
4) polyurethane material has both good flexible and hydrophobic property, and good aqueous epoxy resins are compounded in one with caking property The adhesive layer as coating is played, the adhesive force on coating and road surface can be effectively promoted, avoids falling off for suppression ice coating, and imitate in hydrophobic Fruit can inhibit the icing of water.
5) the long-acting hydrophobic type of present invention gained presses down ice coating, can effectively inhibit road surface ice sheet in frost rain and snow weather Form, the effect that can also be played thawing to ice sheet under exceedingly odious weather, destroy, keep ice sheet thinning；And in road surface running vehicle Still sustained release deicing salt under load plays long-acting stable effect；This long-acting stable type suppression ice coating can be with asphalt road Face directly adheres to, and is sprayed at bituminous pavement, effectively reduces road surface freezing disaster, has important meaning for ice and snow weather traffic safety Justice.
Specific embodiment
For a better understanding of the present invention, below with reference to the embodiment content that the present invention is furture elucidated, but it is of the invention Content is not limited solely to the following examples.
Embodiment 1
Coating
A kind of long-acting hydrophobic type suppression ice coating, preparation method include the following steps:
1) preparation of composite snow-melting agent saturated solution
Calcium chloride saturated solution is prepared with distilled water, controlled at 60 DEG C of heated solutions, and is stirred with glass bar to chlorine Change calcium to be completely dissolved；
Magnesium chloride saturated solution is prepared with distilled water, controlled at 60 DEG C of heated solutions, and is stirred with glass bar to chlorine Change calcium to be completely dissolved；
Sodium chloride saturated solution is prepared with distilled water, controlled at 60 DEG C of heated solutions, and is stirred with glass bar to chlorine Change calcium to be completely dissolved；
Gained calcium chloride saturated solution, magnesium chloride saturated solution, sodium chloride saturated solution are mixed with the mass ratio of 1:1:0.5 It closes, composite snow-melting agent saturated solution is made；
2) zeolite powder-composite diatomite deicing salt preparation
Zeolite powder and diatomite are added into deicing salt saturated solution, control water bath heating temperature is 60 DEG C, stirs 5min After water-reducing agent is added, wherein deicing salt saturated solution, zeolite powder, diatomite and water-reducing agent mass ratio be 7:0.1:0.4: 0.05.Gained mixture is put into high-speed shearing machine with the speed of 2000 turns/min and shears 30min, stands 12h；Then to institute Mixed liquor be filtered, collect solid residue, under conditions of 100Kpa, 100 DEG C to filtered solid residue into Row vacuum drying 1h, obtains zeolite powder-composite diatomite deicing salt；
3) preparation of long-acting hydrophobic type deicing salt
It is added dehydrated alcohol in beaker, zeolite powder-composite diatomite deicing salt is added, with being formed after ultrasonic oscillation 2h Suspension；Coupling agent is added dropwise again, coupling agent and zeolite powder-composite diatomite deicing salt mass ratio are 0.1:7, are shaken with ultrasonic wave 3h is swung, then carries out decompression suction filtration, specific steps are as follows: filter paper is put into Buchner funnel, soaks filter paper, the crack fire hose with distilled water Head, decompression pumping is tightly attached to filter paper on funnel porcelain plate under the negative pressure of 30Kpa, and first clear liquid is poured into funnel, makes precipitating most The solution that transfer is obtained in beaker is possibly stayed in, big tap is opened, precipitating is retransferred when solution is flow to end fastly；Work as filter flask When interior liquid level reaches mouth of pipe position fastly, the rubber tube on filter flask is pulled out, pours out solution from filter flask is suitable for reading；It is gently taken off with glass rod Filter paper side is played, filter paper and precipitating are taken out；Gained is precipitated into vacuum drying 4h, ball milling 4-12h in ball mill is subsequently placed in, length is made Imitate hydrophobic suppression ice agent；
4) preparation of long-acting hydrophobic type suppression ice coating
Polyurethane is mixed with long-acting hydrophobic suppression ice agent with the mass ratio of 7:1, after stirring 5min, polyurethane curing agent is added (mass ratio with polyurethane is 1:0.5), continues to stir 5min, obtains A material；Aqueous epoxy resins and aqueous epoxy resins are consolidated Agent is mixed by the mass ratio of 1:0.5, stirs 5min., obtains B material；A material, B material, paraffin powder are mixed with the mass ratio of 4:1:0.5 Stirring 8h is closed, long-acting hydrophobic type suppression ice coating is obtained.
Coating
By long-acting hydrophobic type suppression ice paint rolling applying obtained by this implementation in bituminous pavement, coating layer thickness 0.5mm, 5h surface drying Press down ice coating afterwards to get long-acting hydrophobic type.
Sodium chloride used in step 1) is to analyze pure, sodium chloride content >=99.5；The magnesium chloride used is pure, the magnesium chloride of analysis Content is more than or equal to 99%；The calcium chloride used is pure, calcium chloride content >=99.5% of analysis.
Zeolite powder used in step 2) is to analyze pure, granularity 0.5-1mm；The partial size of diatomite used is 2.5-5.5mm, SiO2Content >=88.9；Water-reducing agent used is polycarboxylic acid water reducing agent.
Coupling agent used in step 3) is silane coupling agent, is Y- aminopropyltriethoxywerene werene and dimethyl silicone polymer Compound, mass ratio 3:0.5.
Polyurethane used in step 4) is to analyze pure, solid content >=50%；Aqueous epoxy resins epoxide equivalent used is 185- 190, solid content >=60% is non-ion aqueous epoxy resin；Polyurethane curing agent solid content >=50% used is nonionic Type curing agent, aqueous epoxy resin curing agent solid content >=60% used, VOC content >=70% are non-ionic curing agent.
Paraffin powder holocrystalline type paraffin used, oil content 0.5-1.5%, granularity 1-2mm.
Embodiment 2
Coating
A kind of long-acting hydrophobic type suppression ice coating, preparation method include the following steps:
1) preparation of composite snow-melting agent saturated solution
Calcium chloride saturated solution is prepared with distilled water, controlled at 70 DEG C of heated solutions, and is stirred with glass bar to chlorine Change calcium to be completely dissolved；
Magnesium chloride saturated solution is prepared with distilled water, controlled at 70 DEG C of heated solutions, and is stirred with glass bar to chlorine Change calcium to be completely dissolved；
Sodium chloride saturated solution is prepared with distilled water, controlled at 70 DEG C of heated solutions, and is stirred with glass bar to chlorine Change calcium to be completely dissolved；
Gained calcium chloride saturated solution, magnesium chloride saturated solution, sodium chloride saturated solution are mixed with the mass ratio of 1:1:0.6 It closes, composite snow-melting agent saturated solution is made；
2) zeolite powder-composite diatomite deicing salt preparation
Zeolite powder and diatomite are added into deicing salt saturated solution, control water bath heating temperature is 65 DEG C, stirs 8min After water-reducing agent is added, wherein the mass ratio of deicing salt saturated solution, zeolite powder, diatomite and water-reducing agent be 8:0.2:0.6:0.2； Gained mixture is put into high-speed shearing machine with the speed of 2000 turns/min and shears 35min, stands 18h；Then mixed to gained It closes liquid to be filtered, collects solid residue, filtered solid residue is carried out under conditions of 150Kpa, 150 DEG C true The dry 1.5h of sky, obtains zeolite powder-composite diatomite deicing salt；
3) preparation of long-acting hydrophobic type deicing salt
Dehydrated alcohol is added in beaker, zeolite powder-composite diatomite deicing salt is added, with shape after ultrasonic oscillation 2-3h At suspension；Coupling agent is added dropwise again, coupling agent and zeolite powder-composite diatomite deicing salt mass ratio are 0.2:8；Use ultrasonic wave 4h is shaken, then carries out decompression suction filtration；Gained is precipitated into vacuum drying 5h, is subsequently placed in ball milling 10h in ball mill, is made long-acting and dredges Water presses down ice agent；
4) preparation of long-acting hydrophobic type suppression ice coating
Polyurethane is mixed with long-acting hydrophobic suppression ice agent with the mass ratio of 7:1, after stirring 8min, polyurethane curing agent is added (mass ratio with polyurethane is 1:0.8), continues to stir 8min, obtains A material；Aqueous epoxy resins and aqueous epoxy resins are consolidated Agent is mixed by the mass ratio of 1:0.8, stirs 8min., obtains B material；A material, B material, paraffin powder are mixed with the mass ratio of 5:2:0.7 Stirring 9h is closed, long-acting hydrophobic type suppression ice coating is obtained.
Coating
By long-acting hydrophobic type suppression ice paint rolling applying obtained by this implementation in bituminous pavement, coating layer thickness 0.8mm, 5h surface drying Press down ice coating afterwards to get long-acting hydrophobic type.
Sodium chloride used in step 1) is to analyze pure, sodium chloride content >=99.5；The magnesium chloride used is pure, the magnesium chloride of analysis Content is more than or equal to 99%；The calcium chloride used is pure, calcium chloride content >=99.5% of analysis.
Zeolite powder used in step 2) is to analyze pure, granularity 0.5-1mm；The partial size of diatomite used is 2.5-5.5mm, SiO2Content >=88.9；Water-reducing agent used is polycarboxylic acid water reducing agent.
Coupling agent used in step 3) is silane coupling agent, is Y- aminopropyltriethoxywerene werene and dimethyl silicone polymer Compound, mass ratio 4:0.8.
Polyurethane used in step 4) is to analyze pure, solid content >=50%；Aqueous epoxy resins epoxide equivalent used is 185- 190, solid content >=60% is non-ion aqueous epoxy resin；Polyurethane curing agent solid content >=50% used is nonionic Type curing agent, aqueous epoxy resin curing agent solid content >=60% used, VOC content >=70% are non-ionic curing agent.
Paraffin powder holocrystalline type paraffin used, oil content 0.5-1.5%, granularity 1-2mm.
Embodiment 3
Coating
A kind of long-acting hydrophobic type suppression ice coating, preparation method include the following steps:
1) preparation of composite snow-melting agent saturated solution
Calcium chloride saturated solution is prepared with distilled water, controlled at 80 DEG C of heated solutions, and is stirred with glass bar to chlorine Change calcium to be completely dissolved；
Magnesium chloride saturated solution is prepared with distilled water, controlled at 80 DEG C of heated solutions, and is stirred with glass bar to chlorine Change calcium to be completely dissolved；
Sodium chloride saturated solution is prepared with distilled water, controlled at 80 DEG C of heated solutions, and is stirred with glass bar to chlorine Change calcium to be completely dissolved；
Gained calcium chloride saturated solution, magnesium chloride saturated solution, sodium chloride saturated solution are mixed with the mass ratio of 1:1:0.7 It closes, composite snow-melting agent saturated solution is made；
2) zeolite powder-composite diatomite deicing salt preparation
Zeolite powder and diatomite (mass ratio 1:2) are added into deicing salt saturated solution, control water bath heating temperature is 70 DEG C, water-reducing agent is added after stirring 10min, wherein the mass ratio of deicing salt saturated solution, zeolite powder, diatomite and water-reducing agent is 9:0.3:0.7:0.1；Gained mixture is put into high-speed shearing machine with the speed of 2000 turns/min and shears 40min, is stood 24h；Then gained mixed liquor is filtered, collects solid residue, to filtered under conditions of 200Kpa, 200 DEG C Solid residue carries out vacuum drying 2h, obtains zeolite powder-composite diatomite deicing salt；
3) preparation of long-acting hydrophobic type deicing salt
It is added dehydrated alcohol in beaker, zeolite powder-composite diatomite deicing salt is added, with being formed after ultrasonic oscillation 3h Suspension；Coupling agent is added dropwise again, coupling agent and zeolite powder-composite diatomite deicing salt mass ratio are 0.3:9.It is shaken with ultrasonic wave 5h is swung, then carries out decompression suction filtration；Gained is precipitated into vacuum drying 6h, ball milling 12h in ball mill is subsequently placed in, is made long-acting hydrophobic Press down ice agent；
4) preparation of long-acting hydrophobic type suppression ice coating
Polyurethane is mixed with long-acting hydrophobic suppression ice agent with the mass ratio of 8:2, after stirring 10min, urethane cures are added Agent (mass ratio with polyurethane is 1:1), continues to stir 10min, obtains A material；By aqueous epoxy resins and aqueous epoxy resins Curing agent is mixed by the mass ratio of 1:1, stirs 10min, obtains B material；A material, B material, paraffin powder are mixed with the mass ratio of 6:3:1 12h is stirred, long-acting hydrophobic type suppression ice coating is obtained.
Coating
By long-acting hydrophobic type suppression ice paint rolling applying obtained by this implementation after bituminous pavement, coating layer thickness 1mm, 5h surface drying, Press down ice coating up to long-acting hydrophobic type.
Sodium chloride used in step 1) is to analyze pure, sodium chloride content >=99.5；The magnesium chloride used is pure, the magnesium chloride of analysis Content is more than or equal to 99%；The calcium chloride used is pure, calcium chloride content >=99.5% of analysis.
Zeolite powder used in step 2) is to analyze pure, granularity 0.5-1mm；The partial size of diatomite used is 2.5-5.5mm, SiO2Content >=88.9；Water-reducing agent used is polycarboxylic acid water reducing agent.
Coupling agent used in step 3) is silane coupling agent, is Y- aminopropyltriethoxywerene werene and dimethyl silicone polymer Compound, mass ratio 5:1.
Polyurethane used in step 4) is to analyze pure, solid content >=50%；Aqueous epoxy resins epoxide equivalent used is 185- 190, solid content >=60% is non-ion aqueous epoxy resin；Polyurethane curing agent solid content >=50% used is nonionic Type curing agent, aqueous epoxy resin curing agent solid content >=60% used, VOC content >=70% are non-ionic curing agent.
Paraffin powder holocrystalline type paraffin used, oil content 0.5-1.5%, granularity 1-2mm.
The 1 long-acting suppression ice coating of gained of embodiment is subjected to adhesion strength test, coating carries out measurement and determination of humidifying angle, test result It is shown in Table 1.Wherein, comparative example is polyurethane coating, and using the direct roller coating of polyurethane coating in bituminous pavement, coating layer thickness is The coating of formation after 0.5mm, 5h surface drying.
The adhesion strength and measurement and determination of humidifying angle result of coating obtained by 1 embodiment 1 of table and comparative example
Adhesion strength Angle of wetting
Embodiment 1 0.71Mpa 120.5
Comparative example 0.56Mpa 93
It will be placed on coating obtained by embodiment 1 and comparative example using 6h as the period in the water of equal volume, carry out freeze thawing Circulation (i.e. 6h is placed in -10 DEG C of environment, and 6h is placed in 25 DEG C of environment, is recycled repeatedly), tests 12h, 7d, 30d respectively The concentration of sodium chloride in water.
Sodium chloride content after the different freezen protectives of table 2
12h 7d 30d
Embodiment 1 155mg/ml 220mg/ml 326mg/ml
Comparative example 282mg/ml 303mg/ml 321mg/ml
The above results show: present invention gained coating obtains the common coating that hydrophobic effect is better than in comparative example, and and pitch The adhesive property on road surface is preferable.Deicing salt concentration persistently increases in embodiment 1, and comparative example reaches close to peak value in 12h Concentration illustrates that product of the present invention can slowly release for a long time, can play long-acting suppression ice effect, and comparative example discharges base in a short time This completely, can not play long-acting stable suppression ice effect.
Obviously, above-described embodiment is only intended to clearly illustrate made example, and is not the limitation to embodiment.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or It changes.There is no necessity and possibility to exhaust all the enbodiments.And the obvious variation or change therefore amplified It moves within still in the protection scope of the invention.

Claims (10)

1. a kind of long-acting hydrophobic type presses down ice coating, which is characterized in that it is expected using A, B material and paraffin powder are primary raw material preparation and At wherein A material includes polyurethane, long-acting hydrophobic suppression ice agent and polyurethane curing agent；B material includes aqueous epoxy resins and aqueous ring Oxygen resin curing agent.
2. long-acting hydrophobic type according to claim 1 presses down ice coating, which is characterized in that the A material, B material and paraffin powder Mass ratio is (4-6): (1-3): (0.5-1)；Urethane and the mass ratio of long-acting hydrophobic suppression ice agent are (7-8): (1-2) in A material, are gathered The mass ratio of urethane and polyurethane curing agent is 1:(0.5-1)；Aqueous epoxy resins and aqueous epoxy resin curing agent in B material Mass ratio is 1:(0.5-1).
3. long-acting hydrophobic type according to claim 1 presses down ice coating, which is characterized in that the system of the long-acting hydrophobic suppression ice agent Preparation Method includes the following steps:
1) preparation of composite snow-melting agent saturated solution；Prepare respectively under the conditions of 60-80 DEG C of temperature prepare calcium chloride saturated solution, Then three is mixed to obtain composite snow-melting agent saturated solution by magnesium chloride saturated solution, sodium chloride saturated solution；
2) zeolite powder-composite diatomite deicing salt preparation；Zeolite powder and diatomite are added into composite snow-melting agent saturated solution, Heating water bath stirring is carried out, water-reducing agent is then added, and gained mixture is subjected to high speed shear processing, is stood, gained is mixed It closes liquid to be filtered, be dried in vacuo, obtains zeolite powder-composite diatomite deicing salt；
3) it disperses gained zeolite powder-composite diatomite deicing salt in organic solvent, carries out ultrasonic vibration and form suspension, add Enter coupling agent, continues ultrasonic vibration, then through suction filtration, vacuum drying, ball milling, obtain long-acting hydrophobic suppression ice agent.
4. long-acting hydrophobic type according to claim 3 presses down ice coating, which is characterized in that the zeolite powder, diatomite and subtract The mass ratio of aqua is (0.5-1): (1-2): (0.1-0.3)；The gross mass of zeolite powder and diatomite and composite snow-melting agent are saturated The mass ratio of solution is (0.5-1): (7-9).
5. long-acting hydrophobic type according to claim 3 presses down ice coating, which is characterized in that the coupling agent is silane coupled Agent, coupling agent and zeolite powder-composite diatomite deicing salt mass ratio are (0.1-0.3): (7-9).
6. long-acting hydrophobic type according to claim 3 presses down ice coating, which is characterized in that the zeolite powder partial size is 0.5- 1mm；The partial size of diatomite is 2.5-5.5mm, wherein SiO2Content >=88.9%.
7. long-acting hydrophobic type according to claim 3 presses down ice coating, which is characterized in that the solid content of the polyurethane >= 50%；Aqueous epoxy resins epoxide equivalent is 185-190, and solid content >=60% is non-ion aqueous epoxy resin.
8. long-acting hydrophobic type according to claim 1 presses down ice coating, which is characterized in that the paraffin powder is holocrystalline type stone Wax, oil content 0.5-1.5%, granularity 1-2mm.
9. the preparation method of any one of the claim 1 ~ 8 long-acting hydrophobic type suppression ice coating, which is characterized in that including walking as follows It is rapid: polyurethane and long-acting hydrophobic suppression ice agent being mixed and stirred for uniformly, polyurethane curing agent to be added in proportion, it is equal to continue stirring It is even, obtain A material；Aqueous epoxy resins and aqueous epoxy resin curing agent are mixed and stirred in proportion uniformly, to obtain B material；By A Material, B material and paraffin powder are mixed and stirred for uniformly pressing down ice coating to get long-acting hydrophobic type in proportion.
10. a kind of long-acting hydrophobic type suppression ice coating is in the application of bituminous pavement.
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