CN104261729B - Self-ice-melting micro-surface seal coat slurry mixture and preparation method thereof - Google Patents
Self-ice-melting micro-surface seal coat slurry mixture and preparation method thereof Download PDFInfo
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- CN104261729B CN104261729B CN201410489700.1A CN201410489700A CN104261729B CN 104261729 B CN104261729 B CN 104261729B CN 201410489700 A CN201410489700 A CN 201410489700A CN 104261729 B CN104261729 B CN 104261729B
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/26—Bituminous materials, e.g. tar, pitch
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Abstract
The invention relates to a self-ice-melting micro-surface seal coat slurry mixture and a preparation method thereof. The self-ice-melting micro-surface seal coat slurry mixture is prepared from an aggregate, a filling material, water, SBS modified emulsified asphalt, an inorganic fiber and an ice melting agent. The self-ice-melting micro-surface seal coat slurry mixture comprises the following components in parts by weight: 100 parts of the aggregate, 1-3 parts of the filling material, 9-13 parts of the water, 10-15 parts of the modified emulsified asphalt, 1-3 parts of the inorganic fiber and 2-6 parts of the ice melting agent, wherein the ice melting agent is chlorine ion type magnesium-aluminum based layered double hydroxides; and the chlorine ion type magnesium-aluminum based layered double hydroxides are prepared from magnesium-aluminum based layered double hydroxides, sodium chloride and water in a mass ratio of 3:3:4. The micro-surface seal coat slurry mixture prepared by adopting the method disclosed by the invention can be used for repairing and maintaining asphalt pavements with damages, and also can be used for providing self-ice-melting functions for the asphalt pavements; and moreover, the ice melting performance of the micro-surface seal coat slurry mixture cannot be influenced by melting snow water or rainwater, so that the micro-surface seal coat slurry mixture can maintain long-term effectiveness, and cannot cause harms to the environment.
Description
Technical field
The invention belongs to pavement material field, and in particular to one kind is from ice-melt micro-surfacing sealing slurry mixture and its preparation side
Method.
Background technology
Bituminous paving has the advantages that driving is steady comfortably, noise is low, maintenance is convenient, at home and abroad obtains in highway construction
To extensively application, but in the presence of environmental factorss (ultraviolet light, heat, oxygen, water) and vehicular load, bituminous paving can occur various
Destruction, such as crack, rut, Moisture Damage, local subsidence, loose, decortication etc., 2～3 years at least, are accomplished by carrying out at most 3～5 years
Maintenance.At present asphalt pavement maintenance maintenance is mainly (mist layer sealing, reducing agent sealing, screening seal coat, dilute using surface sealing
Slurry sealing, micro-surfacing sealing etc.), the technology such as crack filling and thin overlay.Micro-surfacing sealing is gathered materials, is filled out using what appropriate level was matched somebody with somebody
Material, fiber, water and modified emulsifying asphalt, mix and stir the slurry mixture for forming flow regime, by a certain percentage for bituminous paving
Top layer cover, can the disease such as effectively solving pavement crack, rut, Moisture Damage, local subsidence, loose, decortication, while micro-surfacing sealing
Road surface has good high temperature resistance rut, anti-water damage, antiskid, an anti-wear performance, and it is simple and convenient to construct, open to traffic is fast,
Low cost, life-span length, energy-conserving and environment-protective, therefore, obtain widely should in micro-surfacing sealing asphalt pavement maintenance maintenance at home and abroad
With.
More than in addition to all kinds of diseases, it is also one of road hazards that bituminous paving easily freezes in the winter time.It is icy on road to cause
Car skidding, brake failure, direction out of control, easily cause vehicle accident, have a strong impact on traffic safety.Eliminate ice and snow to satisfy the need
The impact of face traffic, most common method are to dispense chloride salt deicing or snow melting agent in accumulated snow ice-patch surface.But as chloride salt melts
Not only the water quality of road pavement periphery, soil and vegetation can produce destruction to snowization ice agent institute chloride ion-containing, and can make Colophonium
Reduce with the adhesiveness gathered materials, and serious corrosion failure is produced to the reinforcing bar in bridge cement concrete, cause bituminous paving
Substantially reduce with the durability of bridge.In order to reduce the chloride salt deicing or snow melting agent of spreading to bituminous paving, bridge and environment
Affect, increasing application has been obtained from ice-melt asphalt.It is so-called from ice-melt asphalt be by chloride salt snow melt
Change ice agent and mix hot-mix asphalt mixture, with the bituminous paving of its making, when sleety weather is subject to vehicular load squeezing action,
Chloride salt ice-melt never moves to road deck with the asphalt road layer of depth into branch, so as to realize deicing or snow melting.
China's most area bituminous paving has that winter surface affects traffic circulation because of icing at present, such as
Which can be given in asphalt pavement maintenance maintenance processes from ice-melt function, then can solve this problem well.However, main at present
The chloride salt deicing or snow melting agent water soluble in hot-mix asphalt mixture is used, used in micro-surfacing sealing slurry mixture
Effect is poor, and the saline for dissolving has corrosion failure to act on bituminous paving, bridge, the water quality, soil and vegetation to periphery
Destruction can be produced.
For making micro-surfacing sealing slurry mixture both solve Asphalt Pavement Damage, and with from ice-melt function, present invention system
For chloride ion type magnalium laminar double-metal hydroxide ice melting agent, chloride ion is introduced magnalium laminar bimetallic hydrogen by the ice melting agent
Interlevel oxide, plays a part of to reduce the apparent freezing point of water using interlayer chloride ion, simultaneously because magnalium laminar bimetallic hydrogen-oxygen
The structure of compound there is confinement to act on interlayer chloride ion, limit the diffusion and loss of chloride ion.Using chloride ion type magnalium
Micro-surfacing sealing slurry mixture prepared by layered double hydroxide ice melting agent not only can eliminate Asphalt Pavement Damage, and
With from ice-melt function, its ice-melt performance is not affected by snow water or rainwater is melted, and can keep permanent effective, and to asphalt road
Face, bridge and surrounding enviroment are safe from harm.
The content of the invention
Present invention aim at providing one kind from ice-melt micro-surfacing sealing slurry mixture and preparation method thereof.The micro-surfacing sealing
Slurry mixture not only can effectively solving Asphalt Pavement Damage, but also with from ice-melt function.
For achieving the above object, the technical scheme taken of the present invention is：
One kind is from ice-melt micro-surfacing sealing slurry mixture, it is characterised in that it be by gathering materials, the drip of filler, water, modified emulsifying
Blue or green, inorfil and ice melting agent are prepared from；Each component is calculated by weight as：Gather materials 100 parts, 1～3 part of filler, water 9～13
Part, 10～15 parts of SBS modified emulsifying asphalts, 1～3 part of inorfil, 2～6 parts of ice melting agent, the ice melting agent are chloride ion type magnesium
Aluminum-based layered double-hydroxide, the chloride ion type magnesium-aluminum-based laminar double hydroxide be by magnesium-aluminum-based laminar double hydroxide,
Sodium Chloride and water are 3 according to mass ratio:3:4 ratio is prepared from.
In such scheme, the preparation method of the chloride ion type magnesium-aluminum-based laminar double hydroxide is：By 30 parts of magnesium-aluminum-baseds
Layered double-hydroxide is placed in the Muffle kiln roasting 2 hours that temperature is 500 DEG C, and then which be put into rapidly vacuum desiccator
In, room temperature is cooled to after evacuation；30 parts of Sodium Chloride and 40 parts of water are mixed in there-necked flask, and is heated to 70 DEG C, from dry
Magnesium-aluminum-based laminar double hydroxide after taking out roasting in dry device and cooling down, is quickly adding in there-necked flask, protects in nitrogen
Lower stirring 30min, takes out mixture and is washed with deionized filtration, until the filtrate after washing and filtering is checked with silver nitrate solution
Then filter cake is not dried 24 hours in 110 DEG C of baking oven by chloride ion-containing, takes out drying solid powder in high speed disintegrator
It is broken, then 200 mesh sieve of polished mistake, obtain chloride ion type magnesium-aluminum-based laminar double hydroxide.
In such scheme, described to gather materials for basalt, hard, coarse, wear-resisting, clean, its properties meets《Highway is dripped
Blue or green pavement construction technical specification》Thick, the fine aggregate prescription of (GTJ F 40-2004) Asphalt Mixture.
In such scheme, described filler is P.O42.5 Portland cements.
In such scheme, the modified emulsifying asphalt is cationic SBS modified emulsifying asphalt, and its properties meets
《Standard specification for construction and acceptance of highway asphalt pavement》In (GTJ F 40-2004), Modified Slurry Sealing and micro-surfacing sealing are dripped with modified emulsifying
Blue or green technical requirements.
In such scheme, the inorfil is basalt fibre, its length be 1.0～3.5mm, a diameter of 3.0～8.0
μm。
Above-mentioned a kind of preparation method from ice-melt micro-surfacing sealing slurry mixture, it is characterised in that it comprises the steps：
(1) preparation of chloride ion type magnesium-aluminum-based laminar double hydroxide：1. by each component quality proportioning it is：Magnesium-aluminum-based stratiform
Double-hydroxide:Sodium Chloride:Water=3:3:4, choose magnesium-aluminum-based laminar double hydroxide, Sodium Chloride and water；2. by magnalium basic unit
Shape double-hydroxide is placed in the Muffle kiln roasting 2 hours that temperature is 500 DEG C, and then which is put in vacuum desiccator rapidly,
Room temperature is cooled to after evacuation；Sodium Chloride and water are mixed in there-necked flask, and is heated to 70 DEG C, take out roasting from exsiccator
Magnesium-aluminum-based laminar double hydroxide after burning and cooling down, is quickly adding in there-necked flask, stirs 30min under nitrogen protection,
Take out mixture and be washed with deionized filtration, until the filtrate after washing and filtering checks not chloride ion-containing with silver nitrate solution,
Then filter cake is dried 24 hours in 110 DEG C of baking oven, takes out drying solid and crush in high speed disintegrator, then it is polished
200 mesh sieves are crossed, chloride ion type magnesium-aluminum-based laminar double hydroxide is obtained；
(2) by each component parts by weight it is：Gather materials 100 parts, 1～3 part of filler, 9～13 parts of water, modified emulsifying asphalt 10～
15 parts, 1～3 part of inorfil, 2～6 parts of ice melting agent, selection is gathered materials, filler, water, modified emulsifying asphalt, inorfil and ice-melt
Agent, the ice melting agent are chloride ion type magnesium-aluminum-based laminar double hydroxide；
(3) filler, inorfil and chloride ion type magnesium-aluminum-based laminar double hydroxide are sequentially added in gathering materials, in 60r/
10～20s is stirred under the speed of min；Water is added, 10～20s is stirred under the speed of 60r/min；It is eventually adding modified emulsifying
Colophonium, stirs 20～30s under the speed of 60r/min, obtains from ice-melt micro-surfacing sealing slurry mixture.
In the present invention, the magnesium-aluminum-based laminar double hydroxide is that the method by disclosed in 102174269 A of patent is prepared into
Arrive.The chemical composition of magnesium-aluminum-based laminar double hydroxide is：Mg0.67Al0.33(OH)2(CO3)0.17·0.6H2O.Therefore, the present invention
Described magnesium-aluminum-based laminar double hydroxide is carbonate form magnesium-aluminum-based laminar double hydroxide, by carbonate form magnesium-aluminum-based
Layered double-hydroxide carries out roasting, and its interlayer anion carbonate is removed, then by the double hydrogen of magnesium-aluminum-based stratiform after roasting
Oxide and aqueous sodium chloride liquid-phase mixing, using " the memory structures effect " of magnesium-aluminum-based laminar double hydroxide, by chloride ion
The interlayer of magnesium-aluminum-based laminar double hydroxide is introduced, chloride ion type magnesium-aluminum-based laminar double hydroxide is prepared.
The invention has the beneficial effects as follows：
1st, using the chloride ion type magnesium-aluminum-based laminar double hydroxide for preparing as ice melting agent, chloride ion is drawn by the ice melting agent
Enter magnesium-aluminum-based laminar double hydroxide interlayer, play a part of to reduce the apparent freezing point of water using the chloride ion of interlayer, and this melts
Ice agent is water insoluble, can with gather materials, filler, water, SBS modified emulsifying asphalts, inorfil mix, preparation come from the micro- table of ice-melt
Sealing slurry mixture；
2nd, the micro-surfacing sealing slurry mixture prepared as ice melting agent using chloride ion type magnesium-aluminum-based laminar double hydroxide
Asphalt Pavement Damage not only can be eliminated, and with from ice-melt function；
3rd, as the structure of magnesium-aluminum-based laminar double hydroxide there is confinement to act on interlayer chloride ion, limit chloride ion
Diffusion and loss, therefore the slurry mixture prepared as ice melting agent using chloride ion type magnesium-aluminum-based laminar double hydroxide used
In bituminous paving micro-surfacing sealing, which is not affected by snow water or rainwater is melted from ice-melt performance, can keep permanent effective and right
Bituminous paving, bridge and surrounding enviroment are safe from harm.
Specific embodiment
For a better understanding of the present invention, present disclosure is further elucidated with reference to embodiment, but the present invention
Content is not limited solely to the following examples.Part in following examples is weight portion.
Ice melting agent employed in following examples be chloride ion type magnesium-aluminum-based laminar double hydroxide, the chloride ion type
Magnesium-aluminum-based laminar double hydroxide is prepared via a method which to obtain：30 parts of magnesium-aluminum-based laminar double hydroxides are placed in temperature is
500 DEG C of Muffle kiln roasting 2 hours, is then put into rapidly which in vacuum desiccator, is cooled to room temperature after evacuation；By 30
Part Sodium Chloride and 40 parts of water mix in there-necked flask, and are heated to 70 DEG C, the magnesium after taking out roasting from exsiccator and cooling down
Aluminum-based layered double-hydroxide, is quickly adding in there-necked flask, stirs 30min under nitrogen protection, takes out mixture and spends
Ionized water washing and filtering, until the filtrate after washing and filtering checks not chloride ion-containing with silver nitrate solution, then by filter cake 110
DEG C baking oven in be dried 24 hours, take out drying solid and crush in high speed disintegrator, then 200 mesh sieve of polished mistake is obtained
Chloride ion type magnesium-aluminum-based laminar double hydroxide.
The magnesium-aluminum-based laminar double hydroxide is that the method by disclosed in 102174269 A of patent CN is prepared.Magnalium
The chemical composition of base layered double-hydroxide is：Mg0.67Al0.33(OH)2(CO3)0.17·0.6H2O。
Embodiment 1：
Weigh 100 parts of basalt aggregates (level with as shown in table 1, similarly hereinafter), 2 parts of P.O42.5 Portland cements, 1 part
Basalt fibre (fibre length be 1.0～3.5mm, a diameter of 3.0～8.0 μm) and 4 parts of chloride ion type magnesium-aluminum-based stratiform pair hydrogen
Oxide stirs, and under the speed of 60r/min stirs 15s；Add 11 parts of water to stir, in the speed of 60r/min
Lower stirring 15s；(Hubei Guochuang Hi-tech Material Co., Ltd. gives birth to be eventually adding 12 parts of cationic SBS modified emulsifying asphalts
Produce, solid content 62%, 25 DEG C of needle penetrations of evaporated residue be 51dmm, softening point be 59 DEG C, 5 DEG C of ductilities be 36cm),
25s is stirred under the speed of 60r/min, that is, be obtained from ice-melt micro-surfacing sealing slurry mixture.Using this from ice-melt micro-surfacing sealing
The micro-surfacing sealing of slurry mixture molding not only can solve Asphalt Pavement Damage, and the surface apparent freezing point of the micro-surfacing sealing
For -4.8 DEG C, after being soaked 6 hours, its surface apparent freezing point is still -4.8 DEG C.
The level gathered materials used by 1 micro-surfacing sealing slurry mixture of table is matched somebody with somebody
Embodiment 2：
Weigh 100 parts of basalt aggregates, 1 part of P.O42.5 Portland cement and 2 parts of basalt fibre (fibre lengths
For 1.0～3.5mm, a diameter of 3.0～8.0 μm) and 6 parts of chloride ion type magnesium-aluminum-based laminar double hydroxides stir,
20s is stirred under the speed of 60r/min；Add 13 parts of water to stir, 15s is stirred under the speed of 60r/min；It is eventually adding
14 parts of cationic SBS modified emulsifying asphalts, stir 30s under the speed of 60r/min, that is, be obtained dilute from ice-melt micro-surfacing sealing
Slurry compound.Bituminous paving disease not only can be solved from the micro-surfacing sealing of ice-melt micro-surfacing sealing slurry mixture molding using this
Evil, and the surface apparent freezing point of the micro-surfacing sealing is -6.2 DEG C, and after being soaked 6 hours, its surface apparent freezing point is still -6.2 DEG C.
Embodiment 3：
Weigh 100 parts of basalt aggregates, 3 parts of P.O42.5 Portland cements and 3 parts of basalt fibre (fibre lengths
For 1.0～3.5mm, a diameter of 3.0～8.0 μm) and 2.5 parts of chloride ion type magnesium-aluminum-based laminar double hydroxides stir,
10s is stirred under the speed of 60r/min；Add 9 parts of water to stir, 20s is stirred under the speed of 60r/min；It is eventually adding
10 parts of cationic SBS modified emulsifying asphalts, stir 20s under the speed of 60r/min, that is, be obtained dilute from ice-melt micro-surfacing sealing
Slurry compound.Bituminous paving disease not only can be eliminated from the micro-surfacing sealing of ice-melt micro-surfacing sealing slurry mixture molding using this
Evil, and the surface apparent freezing point of the micro-surfacing sealing is -3.5 DEG C, and after being soaked 6 hours, its surface apparent freezing point is still -3.5 DEG C.
Embodiment 4：
A kind of preparation method from ice-melt micro-surfacing sealing slurry mixture, it comprises the steps：
(1) by each component weight proportion it is：Gather materials 100 parts, 1 part of filler, 9 parts of water, 10 parts of modified emulsifying asphalt, inorganic fibre
Dimension 1 part, 2 parts of chloride ion type magnesium-aluminum-based laminar double hydroxide, selection is gathered materials, filler, water, inorfil and chloride ion type magnalium
Base layered double-hydroxide, it is standby；
Gathering materials used by the present invention, (basalt building stones, with same table 1), its property indices met level《Highway asphalt road
Surface construction technical specification》Thick, the fine aggregate prescription of (GTJ F40-2004) Asphalt Mixture；
Described filler is P.O42.5 Portland cements；
The modified emulsifying asphalt is cationic SBS modified emulsifying asphalt, and its properties meets《Asphalt highway
Construction technique normalizing》The technical requirements of Modified Slurry Sealing and micro-surfacing sealing modified emulsifying asphalt in (GTJ F 40-2004)；
The inorfil is basalt fibre, length be 1.0～3.5mm, a diameter of 3.0～8.0 μm；
(2) filler, inorfil and chloride ion type magnesium-aluminum-based laminar double hydroxide is sequentially added in gathering materials first,
10s is stirred under the speed of 60r/min；Water is added, and 10s is stirred under the speed of 60r/min；It is eventually adding modified emulsifying drip
Green grass or young crops, stirs 20s under the speed of 60r/min, is obtained from ice-melt micro-surfacing sealing slurry mixture.
Embodiment 5：
A kind of preparation method from ice-melt micro-surfacing sealing slurry mixture, it comprises the steps：
(1) by each component weight proportion it is：Gather materials 100 parts, 3 parts of filler, 13 parts of water, 15 parts of SBS modified emulsifying asphalts, nothing
3 parts of machine fiber, 6 parts of chloride ion type magnesium-aluminum-based laminar double hydroxide, selection is gathered materials, filler, water, inorfil and chloride ion type
Magnesium-aluminum-based laminar double hydroxide, it is standby；
Gathering materials used by the present invention, (basalt building stones, with same table 1), its property indices met level《Highway asphalt road
Surface construction technical specification》Thick, the fine aggregate prescription of (GTJ F40-2004) Asphalt Mixture；
Described filler is P.O42.5 Portland cements；
The modified emulsifying asphalt is cationic SBS modified emulsifying asphalt, and its properties meets《Asphalt highway
Construction technique normalizing》The technical requirements of Modified Slurry Sealing and micro-surfacing sealing modified emulsifying asphalt in (GTJ F 40-2004)；
The inorfil is basalt fibre, length be 1.0～3.5mm, a diameter of 3.0～8.0 μm；
(2) first sequentially add filler, inorfil and chloride ion type magnalium laminar double-metal hydroxide in gathering materials to melt
Ice agent, stirs 20s under the speed of 60r/min；Water is added, and 20s is stirred under the speed of 60r/min；It is eventually adding modified
Emulsified asphalt, stirs 30s under the speed of 60r/min, is obtained from ice-melt micro-surfacing sealing slurry mixture.
Claims (6)
1. one kind is from ice-melt micro-surfacing sealing slurry mixture, it is characterised in that it be by gathering materials, the drip of filler, water, modified emulsifying
Blue or green, inorfil and ice melting agent are prepared from；Each component is calculated by weight as：Gather materials 100 parts, 1 ~ 3 part of filler, water 9 ~ 13
Part, 10 ~ 15 parts of modified emulsifying asphalt, 1 ~ 3 part of inorfil, 2 ~ 6 parts of ice melting agent, the ice melting agent are chloride ion type magnalium basic unit
Shape double-hydroxide, the chloride ion type magnesium-aluminum-based laminar double hydroxide are by magnesium-aluminum-based laminar double hydroxide, Sodium Chloride
With water according to mass ratio be 3:3:4 ratio is prepared from；The preparation side of the chloride ion type magnesium-aluminum-based laminar double hydroxide
Method is：30 parts of magnesium-aluminum-based laminar double hydroxides are placed in into the Muffle kiln roasting 2 hours that temperature is 500 DEG C, it is then which is fast
Speed is put in vacuum desiccator, is cooled to room temperature after evacuation；30 parts of Sodium Chloride and 40 parts of water are mixed in there-necked flask, and
70 DEG C are heated to, the magnesium-aluminum-based laminar double hydroxide after taking out roasting from exsiccator and cooling down is quickly adding into three mouthfuls of burnings
In bottle, 30min is stirred under nitrogen protection, take out mixture and be washed with deionized filtration, until the filtrate after washing and filtering
Not chloride ion-containing is checked with silver nitrate solution, then filter cake is dried 24 hours in 110 DEG C of baking oven, taken out drying solid and exist
Crush in high speed disintegrator, then 200 mesh sieve of polished mistake, obtain chloride ion type magnesium-aluminum-based laminar double hydroxide.
2. one kind according to claim 1 is from ice-melt micro-surfacing sealing slurry mixture, it is characterised in that：It is described to gather materials for profound
Wu Yan.
3. one kind according to claim 1 is from ice-melt micro-surfacing sealing slurry mixture, it is characterised in that：Described filler is
42.5 Portland cements of P.O.
4. one kind according to claim 1 is from ice-melt micro-surfacing sealing slurry mixture, it is characterised in that：The modified emulsifying
Colophonium is cationic SBS modified emulsifying asphalt.
5. one kind according to claim 1 is from ice-melt micro-surfacing sealing slurry mixture, it is characterised in that：The inorfil
Basalt fibre, length be 1.0 ~ 3.5mm, a diameter of 3.0 ~ 8.0 μm.
6. a kind of preparation method from ice-melt micro-surfacing sealing slurry mixture described in claim 1, it is characterised in that it includes
Following steps：
（1）The preparation of chloride ion type magnesium-aluminum-based laminar double hydroxide：1. by each component quality proportioning it is：The double hydrogen of magnesium-aluminum-based stratiform
Oxide:Sodium Chloride:Water=3:3:4, choose magnesium-aluminum-based laminar double hydroxide, Sodium Chloride and water；2. it is magnesium-aluminum-based stratiform is double
Hydroxide is placed in the Muffle kiln roasting 2 hours that temperature is 500 DEG C, and then which is put in vacuum desiccator rapidly, takes out true
Room temperature is cooled to after sky；Sodium Chloride and water are mixed in there-necked flask, and is heated to 70 DEG C, roasting is taken out simultaneously from exsiccator
Magnesium-aluminum-based laminar double hydroxide after cooling, is quickly adding in there-necked flask, stirs 30min under nitrogen protection, takes out
Mixture is washed with deionized filtration, until the filtrate after washing and filtering checks not chloride ion-containing with silver nitrate solution, then
Filter cake is dried 24 hours in 110 DEG C of baking oven, drying solid is taken out and is crushed in high speed disintegrator, then polished mistake
200 mesh sieves, obtain chloride ion type magnesium-aluminum-based laminar double hydroxide；
（2）By each component parts by weight it is：Gather materials 100 parts, 1 ~ 3 part of filler, 9 ~ 13 parts of water, 10 ~ 15 parts of modified emulsifying asphalt, nothing
1 ~ 3 part of machine fiber, 2 ~ 6 parts of ice melting agent, selection is gathered materials, filler, water, modified emulsifying asphalt, inorfil and ice melting agent, described to melt
Ice agent is chloride ion type magnesium-aluminum-based laminar double hydroxide；
（3）Filler, inorfil and chloride ion type magnesium-aluminum-based laminar double hydroxide is sequentially added in gathering materials, in 60r/min
Speed under stir 10 ~ 20s；Water is added, 10 ~ 20s is stirred under the speed of 60r/min；It is eventually adding modified emulsifying asphalt,
20 ~ 30s is stirred under the speed of 60r/min, is obtained from ice-melt micro-surfacing sealing slurry mixture.
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| CN109135674B (en) * | 2018-09-11 | 2021-06-08 | 武汉市市政建设集团有限公司 | Hydrophobic multifunctional snow-melting agent and preparation method thereof |
| CN109534734B (en) * | 2018-12-26 | 2021-10-26 | 中公高科养护科技股份有限公司 | Anti-freezing micro-surfacing maintenance material and preparation method thereof |
| CN109836103A (en) * | 2019-04-16 | 2019-06-04 | 长沙理工大学 | Quick-dry type SBR modified emulsifying asphalt sealing mixture and preparation method thereof |
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| CN101723633B (en) * | 2009-11-27 | 2012-05-16 | 长安大学 | Self-induced road surface micro-surfacing material and preparation method |
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| ES2386997B8 (en) * | 2011-02-14 | 2013-08-20 | Corporate Planning Results Sl (Cpr) | ASPHALT MICROAGLOMERATE IN SPECIAL COLD FOR AIRPORT ROADS. |
| CN102174269B (en) * | 2011-03-21 | 2013-07-17 | 武汉理工大学 | Magnesium-aluminum based layered double hydroxide aging resistant SBS (Styrene-Butadiene-Styrene Block Copolymer) modified asphalt and preparation method thereof |
| CN102408873B (en) * | 2011-11-10 | 2014-07-30 | 亓伟 | Powder and paint for inhibiting road from freezing and preparation methods thereof |
| CN102863174A (en) * | 2012-09-08 | 2013-01-09 | 王桂明 | Cement concrete corrosion inhibitor |
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2014
- 2014-09-23 CN CN201410489700.1A patent/CN104261729B/en not_active Expired - Fee Related
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