CN106833523B - Anti frozen liquid for bituminous paving and preparation method thereof - Google Patents
Anti frozen liquid for bituminous paving and preparation method thereof Download PDFInfo
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- CN106833523B CN106833523B CN201611228046.4A CN201611228046A CN106833523B CN 106833523 B CN106833523 B CN 106833523B CN 201611228046 A CN201611228046 A CN 201611228046A CN 106833523 B CN106833523 B CN 106833523B
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09K3/18—Materials not provided for elsewhere for application to surfaces to minimize adherence of ice, mist or water thereto; Thawing or antifreeze materials for application to surfaces
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Abstract
The invention discloses a kind of anti frozen liquids for bituminous paving, are made of the raw material of following parts by weight：10~20 parts of potassium formate, 5~10 parts of sodium chloride, 5~10 parts of ethylene glycol, 1~3 part of dipotassium hydrogen phosphate, 1~2 part of croscarmellose sodium, 0.1~0.5 part of sodium lignin sulfonate, 0.1~0.5 part of EDETATE SODIUM, 0.02~0.05 part of acrylate copolymer, 0.1~0.5 part of potassium hydroxide, 0.1~0.2 part of dimethyl silicone polymer, 60~80 parts of water.The present invention is less than 30 DEG C for the freezing point of the anti frozen liquid of bituminous paving; it can be good at carrying out anti-frost protection to bituminous paving; and be largely the organic material that can be degraded by microorganisms in material used, the content of inorganic salts is low, smaller to the harm brought of bituminous paving and environment.
Description
Technical field
The present invention relates to the antifreeze clearing ice technology fields of pavement of road, and in particular to a kind of anti frozen liquid for bituminous paving and
Its preparation method.
Background technology
Communications and transportation is the artery of national economy, plays immeasurable effect to the entire national economic development, however the winter
The serious conevying efficiency for affecting road of Ji Jiangxue icings and traffic safety, result even in close traffic sometimes.
The method that tradition removes bituminous paving accumulated snow is mainly rooted out or dispensed snow melt salt etc. using artificial, machinery and passively removed
Ice technology, not only labor intensity is big, using effect hysteresis, but also snow melt salt also causes road structure, vegetation and ecological environment
It is serious to destroy.The deicing technology of active is usually to add antifreeze deicing material in pitch puddles material, but due to this material
Expect it is permanent be present in road surface, when temperature is higher, easily quick volatilization failure, so as to cause the antifreezing function of bituminous paving
Weaken, action time shortens.
The content of the invention
The present invention provides a kind of for anti frozen liquid of bituminous paving and preparation method thereof, solves existing passive deicing
The problem of freeze proof material of bituminous paving is to road and serious ecological environment destruction in snow technology and the deicing skill of active
In art, the problem of the easy high temperature failure of freeze proof material of bituminous paving, the lasting period is short.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：
A kind of anti frozen liquid for bituminous paving is designed, is made of the raw material of following parts by weight：10~20 parts of potassium formate, chlorine
Change 5~10 parts of sodium, 5~10 parts of ethylene glycol, 1~3 part of dipotassium hydrogen phosphate, 1~2 part of croscarmellose sodium, sulfomethylated lignin
Sour 0.1~0.5 part of sodium, 0.1~0.5 part of EDETATE SODIUM, 0.02~0.05 part of acrylate copolymer, potassium hydroxide 0.1~0.5
Part, 0.1~0.2 part of dimethyl silicone polymer, 60~80 parts of water.
In the above-mentioned technical solutions, salt sodium chloride is as inorganic deicing salt, possesses to asphalt roads certain freeze proof anti-icing
Protective capability, but it has certain corrosiveness to large-scale public infrastructure, is also easy to cause the destruction of ecological environment,
Here the dosage of sodium chloride is less；Meanwhile be with the addition of the dipotassium hydrogen phosphate as corrosion inhibiter and slow down this destruction to reduce,
And road is flowed to rainwater or snow melt containing the nutrient phosphorus and potassium needed for plant growth in dipotassium hydrogen phosphate in anti frozen liquid
Both sides make, and can also provide nutrient for the green plants in roadside.
Potassium formate is a kind of organic deicing salt, and to asphalt roads substantially without corrosion-damaged, but its freezing point is higher, is not easy
The relatively low area of temperature uses；And add ethylene glycol as antifreezing agent, on the one hand can sodium chloride and sodium formate synergistic effect, rise
To better cryoprotective effects, on the other hand it is as a kind of liquid for organically possessing certain viscosity, with sodium chloride and sodium formate
It mixes, sustained release can be played the role of.Viscosity can be increased by adding a small amount of acrylate copolymer, make each active ingredient
Slowly release further increases the slow release of anti frozen liquid；Potassium hydroxide is added in formula to neutralize acrylate copolymer
Acidity, and EDETATE SODIUM is with the addition of to reduce viscosity, its viscosity is made to be maintained in a suitable scope.
Croscarmellose sodium has certain water-retaining property and slow release, and active ingredient in product can be made slowly to release
It puts, permanent generation effect；Sodium lignin sulfonate is a kind of anion surfactant, can make the inorganic matter in formula and have
Machine object uniformly mixes；Dimethyl silicone polymer is a kind of antifoaming agent, can reduce product surface tension, makes it
Used time is easier to penetrate into pitch, permanent generation effect.
Preferably, it is made of the raw material of following parts by weight：10 parts of potassium formate, 5 parts of sodium chloride, 10 parts of ethylene glycol, phosphoric acid hydrogen
1 part of dipotassium, 2 parts of croscarmellose sodium, 0.5 part of sodium lignin sulfonate, 0.1 part of EDETATE SODIUM, acrylate copolymer
0.02 part, 0.2 part of potassium hydroxide, 0.2 part of dimethyl silicone polymer, 60 parts of water.
Preferably, it is made of the raw material of following parts by weight：20 parts of potassium formate, 8 parts of sodium chloride, 5 parts of ethylene glycol, phosphoric acid hydrogen two
2 parts of potassium, 1 part of croscarmellose sodium, 0.3 part of sodium lignin sulfonate, 0.3 part of EDETATE SODIUM, acrylate copolymer 0.05
Part, 0.5 part of potassium hydroxide, 0.15 part of dimethyl silicone polymer, 80 parts of water.
Preferably, it is made of the raw material of following parts by weight：15 parts of potassium formate, 10 parts of sodium chloride, 8 parts of ethylene glycol, phosphoric acid hydrogen
3 parts of dipotassium, 2 parts of croscarmellose sodium, 0.1 part of sodium lignin sulfonate, 0.5 part of EDETATE SODIUM, acrylate copolymer
0.03 part, 0.3 part of potassium hydroxide, 0.1 part of dimethyl silicone polymer, 70 parts of water.
The invention further relates to the preparation methods of the above-mentioned anti frozen liquid for bituminous paving, comprise the following steps：
（1）Each raw material is weighed by following parts by weight：10~20 parts of potassium formate, 5~10 parts of sodium chloride, 5~10 parts of ethylene glycol,
1~3 part of dipotassium hydrogen phosphate, 1~2 part of croscarmellose sodium, 0.1~0.5 part of sodium lignin sulfonate, EDETATE SODIUM 0.1
~0.5 part, 0.02~0.05 part of acrylate copolymer, 0.1~0.5 part of potassium hydroxide, 0.1~0.2 part of dimethyl silicone polymer,
60~80 parts of water；
（2）The acrylate copolymer is immersed in step（1）In in the water that weighs, 1~2h is stood, then with 1000r/
The speed of min stirs 30~60min, obtains glue；
（3）Under the mixing speed of 500r/min, to step（2）The ethylene glycol, stirring 10 are added in the glue of gained
The potassium hydroxide is added after~30min, EDETATE SODIUM is added after potassium hydroxide is completely dissolved, treats that EDETATE SODIUM is complete
10~30min is stirred for after dissolving, obtains alcohol, water mixed liquid；
（4）Under the mixing speed of 100r/min, to step（3）The potassium formate is added in the alcohol of gained, water mixed liquid
And sodium chloride, 10~30min is stirred for after potassium formate, sodium chloride are completely dissolved, obtains alcohol, salt mixed liquor；
（5）To step（4）Dipotassium hydrogen phosphate, croscarmellose sodium, wooden is added in the alcohol of gained, salt mixed liquor
Plain sodium sulfonate and dimethyl silicone polymer, then 30~60min is stirred with the speed of 100r/min and is used for asphalt road to get to described
The anti frozen liquid in face.
The beneficial effects of the present invention are：
1. the present invention is used for the anti frozen liquid of bituminous paving, it is combined using inorganic freezing point depressant and organic freezing point depressant
Next freeze proof anti-icing, freeze proof anti-icing effect is better than simple organic antifreeze, and for inorganic antifreeze, to pitch road
The damage on road is small, also small to the harm of environment.
2. the present invention is less than -30 DEG C for the freezing point of the anti frozen liquid of bituminous paving, can be good at carrying out bituminous paving
Anti-frost protection, and be largely the organic material that can be degraded by microorganisms in material used, the content of inorganic salts is low, to drip
The harm brought of blue or green road and environment is smaller.
3. the present invention only needs to spray when temperature reduces, road surface easily freezes for the anti frozen liquid of bituminous paving,
The risk of high temperature failure is avoided, solves and adds antifreeze deicing material easily in high temperature in pitch puddles material in the prior art
Under the conditions of the problem of failing, can and due to being with the addition of ethylene glycol, acrylate copolymer and croscarmellose sodium
The active ingredient in product is made slowly to discharge, effectiveness is lasting.
Specific embodiment
Illustrate the specific embodiment of the present invention with reference to embodiment, but following embodiment is used only to be described in detail
The present invention does not limit the scope of the invention in any way.Involved instrument and equipment is as without especially in the examples below
Illustrate, be routine instrument device；The involved raw material of industry is commercially available regular industrial raw material unless otherwise instructed.
Embodiment 1：A kind of anti frozen liquid for bituminous paving is made of the raw material of following parts by weight：10 parts of potassium formate, chlorine
Change 5 parts of sodium, 10 parts of ethylene glycol, 1 part of dipotassium hydrogen phosphate, 2 parts of croscarmellose sodium, 0.5 part of sodium lignin sulfonate, EDTA
0.1 part of disodium, 0.02 part of acrylate copolymer, 0.2 part of potassium hydroxide, 0.2 part of dimethyl silicone polymer, 60 parts of water.
Its preparation method comprises the following steps：
（1）Each raw material is weighed by following parts by weight：10 parts of potassium formate, 5 parts of sodium chloride, 10 parts of ethylene glycol, dipotassium hydrogen phosphate 1
Part, 2 parts of croscarmellose sodium, 0.5 part of sodium lignin sulfonate, 0.1 part of EDETATE SODIUM, 0.02 part of acrylate copolymer,
0.2 part of potassium hydroxide, 0.2 part of dimethyl silicone polymer, 60 parts of water.
（2）The acrylate copolymer is immersed in step（1）In in the water that weighs, 1h is stood, then with 1000r/min
Speed stirring 30min, obtain glue.
（3）Under the mixing speed of 500r/min, to step（2）The ethylene glycol is added in the glue of gained, is stirred
The potassium hydroxide is added after 10min, EDETATE SODIUM is added after potassium hydroxide is completely dissolved, treats that EDETATE SODIUM is completely molten
30min is stirred for after solution, obtains alcohol, water mixed liquid.
（4）Under the mixing speed of 100r/min, to step（3）The potassium formate is added in the alcohol of gained, water mixed liquid
And sodium chloride, 30min is stirred for after potassium formate, sodium chloride are completely dissolved, obtains alcohol, salt mixed liquor.
（5）To step（4）Dipotassium hydrogen phosphate, croscarmellose sodium, wooden is added in the alcohol of gained, salt mixed liquor
Plain sodium sulfonate and dimethyl silicone polymer, then with the speed of 100r/min stirring 30min to get to described for bituminous paving
Anti frozen liquid.
Embodiment 2：A kind of anti frozen liquid for bituminous paving is prepared from the following raw materials in parts by weight：20 parts of potassium formate,
8 parts of sodium chloride, 5 parts of ethylene glycol, 2 parts of dipotassium hydrogen phosphate, 1 part of croscarmellose sodium, 0.3 part of sodium lignin sulfonate,
0.3 part of EDETATE SODIUM, 0.05 part of acrylate copolymer, 0.5 part of potassium hydroxide, 0.15 part of dimethyl silicone polymer, 80 parts of water.
Its preparation method comprises the following steps：
（1）Each raw material is weighed by following parts by weight：20 parts of potassium formate, 8 parts of sodium chloride, 5 parts of ethylene glycol, dipotassium hydrogen phosphate 2
Part, 1 part of croscarmellose sodium, 0.3 part of sodium lignin sulfonate, 0.3 part of EDETATE SODIUM, 0.05 part of acrylate copolymer,
0.5 part of potassium hydroxide, 0.15 part of dimethyl silicone polymer, 80 parts of water.
（2）The acrylate copolymer is immersed in step（1）In in the water that weighs, 2h is stood, then with 1000r/min
Speed stirring 60min, obtain glue.
（3）Under the mixing speed of 500r/min, to step（2）The ethylene glycol is added in the glue of gained, is stirred
The potassium hydroxide is added after 30min, EDETATE SODIUM is added after potassium hydroxide is completely dissolved, treats that EDETATE SODIUM is completely molten
20min is stirred for after solution, obtains alcohol, water mixed liquid.
（4）Under the mixing speed of 100r/min, to step（3）The potassium formate is added in the alcohol of gained, water mixed liquid
And sodium chloride, 20min is stirred for after potassium formate, sodium chloride are completely dissolved, obtains alcohol, salt mixed liquor.
（5）To step（4）Dipotassium hydrogen phosphate, croscarmellose sodium, wooden is added in the alcohol of gained, salt mixed liquor
Plain sodium sulfonate and dimethyl silicone polymer, then with the speed of 100r/min stirring 40min to get to described for bituminous paving
Anti frozen liquid.
Embodiment 3：A kind of anti frozen liquid for bituminous paving is made of the raw material of following parts by weight：15 parts of potassium formate, chlorine
Change 10 parts of sodium, 8 parts of ethylene glycol, 3 parts of dipotassium hydrogen phosphate, 2 parts of croscarmellose sodium, 0.1 part of sodium lignin sulfonate, EDTA
0.5 part of disodium, 0.03 part of acrylate copolymer, 0.3 part of potassium hydroxide, 0.1 part of dimethyl silicone polymer, 70 parts of water.
Its preparation method comprises the following steps：
（1）Each raw material is weighed by following parts by weight：15 parts of potassium formate, 10 parts of sodium chloride, 8 parts of ethylene glycol, dipotassium hydrogen phosphate 3
Part, 2 parts of croscarmellose sodium, 0.1 part of sodium lignin sulfonate, 0.5 part of EDETATE SODIUM, 0.03 part of acrylate copolymer,
0.3 part of potassium hydroxide, 0.1 part of dimethyl silicone polymer, 70 parts of water.
（2）The acrylate copolymer is immersed in step（1）In in the water that weighs, 1.5h is stood, then with 1000r/
The speed stirring 50min of min, obtains glue
（3）Under the mixing speed of 500r/min, to step（2）The ethylene glycol is added in the glue of gained, is stirred
The potassium hydroxide is added after 20min, EDETATE SODIUM is added after potassium hydroxide is completely dissolved, treats that EDETATE SODIUM is completely molten
10min is stirred for after solution, obtains alcohol, water mixed liquid.
（4）Under the mixing speed of 100r/min, to step（3）The potassium formate is added in the alcohol of gained, water mixed liquid
And sodium chloride, 10min is stirred for after potassium formate, sodium chloride are completely dissolved, obtains alcohol, salt mixed liquor；
（5）To step（4）Dipotassium hydrogen phosphate, croscarmellose sodium, wooden is added in the alcohol of gained, salt mixed liquor
Plain sodium sulfonate and dimethyl silicone polymer, then with the speed of 100r/min stirring 60min to get to described for bituminous paving
Anti frozen liquid.
The anti frozen liquid for bituminous paving that embodiment 1-3 is prepared has bituminous paving preferable cryoprotective effects, inspection
The various performance parameters for the anti frozen liquid for bituminous paving that embodiment 1-3 is prepared are surveyed, as a result as shown in table 1 below, sprinkling is anti-
The anti-freezing property test result of asphalt before and after jelly liquid is as shown in table 2 below.
As it can be seen from table 1 the freezing point for the anti frozen liquid for bituminous paving that the present embodiment 1-3 is prepared is less than -30 DEG C,
It is antifreeze suitable for the bituminous paving in most area winter；Viscosity is in 450mpa.s or so, when being sprayed on bituminous paving,
On the one hand road surface friction force will not be caused to become smaller and cause traffic accident because of viscosity is excessive, on the other hand slow down anti frozen liquid
Mobility, can slowly penetrate bituminous paving per se with hole in, formed protective layer；PH value maintains neutrality,
Bituminous paving and ambient enviroment will not be damaged；Surface tension is smaller, in 30mN/m or so, anti frozen liquid can be promoted to permeate
Into bituminous paving surface layer.
From table 2 it can be seen that the low-temperature bending failure strain of asphalt is anti-much larger than not spraying after sprinkling anti frozen liquid
Freeze the low-temperature bending failure strain of liquid asphalt, and meet《Standard specification for construction and acceptance of highway asphalt pavement》JTGF40-2004
Requirement, the anti-freezing property of asphalt is greatly increased after spraying anti frozen liquid.
In actual use, after 10~100 times being diluted with water according to actual needs, then using sprinkling wagon to asphalt road
Face is sprayed, and to prevent bituminous paving from freezing, specific operation principle is as follows：
When temperature is less than 0 DEG C, anti frozen liquid of the present invention is sprayed toward bituminous paving, due to being added in anti frozen liquid of the present invention
A small amount of acrylate copolymer, therefore with certain viscosity, poor fluidity, large number of orifices in itself that have along with pitch
Gap, therefore it will not collect on asphalt roads, cross flow, but as hole slowly penetrates into a depthkeeping on bituminous paving surface layer
In degree, a protective layer is formed, when snowing, ice and snow on road surfaces is in contact with protective layer, the inorganic and organic ice in protective layer
Point depressant is contacted with ice and snow, it is melted into rapidly to snow-broth, and penetrates into the freezing point depressant in bituminous paving deep layer
The variation for concentration difference at any time gradually moves up, and is discharged into snow-broth, as freezing point reduces the increase of machine concentration in snow-broth, water
Liquid phase steam drops, and the solid-state vapour pressure of ice is constant, in order to reach the state of mixture of ice and water solid-liquid vapour pressure balance, more
Just start to melt come more ice, so as to prevent and delay winter bituminous paving freeze the phenomenon that.When snowfall is excessive, sprinkling
Anti frozen liquid when being not enough to all melt ice and snow on road surfaces, directly can carry out deicing toward spraying anti frozen liquid on ice and snow.
The present invention is in the anti frozen liquid of bituminous paving, addition inorganic salts sodium chloride to have asphalt roads as deicing salt
Standby certain freeze proof anti-icing protective capability, and raw material is easy to get, is cheap, but its corrosion to large-scale public infrastructure
It is very serious with the destruction of ecological environment, so the dosage of sodium chloride is less in the present invention.Meanwhile added with corrosion inhibiter phosphoric acid hydrogen two
Potassium slows down this destruction to reduce, and dipotassium hydrogen phosphate contains nutrient phosphorus and the potassium needed for plant growth, anti-
Freeze liquid washed away by rainwater or snow melt, inlet channel on both sides of the road when, ecological environment will not be damaged, and can become roadside afforest
The fertilizer of plant.Potassium formate is a kind of organic deicing salt, to asphalt roads substantially without corrosion-damaged, but due to its freezing point compared with
Height is not easy to use in the relatively low area of temperature, significantly limits its application range and region；And present invention addition ethylene glycol conduct
On the one hand antifreezing agent can act synergistically with sodium chloride and sodium formate, play better cryoprotective effects, on the other hand it is as one
Kind organically possesses the liquid of certain viscosity, is mixed in system with sodium chloride and sodium formate, plays the role of sustained release.
In order to strengthen this slow release, the present invention also added a small amount of acrylate copolymer to increase viscosity, delay each active ingredient
On The Drug Release.But the aqueous solution of acrylate copolymer is acidity, therefore in order to which the product pH value finally prepared is made to remain neutral,
Potassium hydroxide is with the addition of in formula to neutralize acrylate copolymer, but the aqueous solution of acrylate copolymer and potassium hydroxide react
The viscosity of system can increase suddenly afterwards, and product viscosity is excessive, can then reduce the friction of asphalt roads when being sprayed at bituminous paving
Power is easy to cause accident, so being with the addition of EDETATE SODIUM in the present invention to reduce viscosity, its viscosity is made to be maintained at a conjunction
In suitable scope.Croscarmellose sodium has certain water-retaining property and slow release, can delay active ingredient in product
On The Drug Release, permanent generation effect；Sodium lignin sulfonate is a kind of anion surfactant, can make the inorganic matter in formula
It is uniformly mixed with organic matter；Dimethyl silicone polymer is a kind of antifoaming agent, can reduce product surface tension, make it
It is easier to penetrate into pitch when in use, permanent generation effect.
The anti frozen liquid for bituminous paving of the present invention combines inorganic freezing point depressant and organic freezing point depressant
Antifreeze deicing not only has good freeze proof deicing effect, but also has both overcome inorganic freezing point depressant road pavement corrosion, to ring
The shortcomings that border is polluted, and overcome the shortcomings that organic freezing point bonding agent is expensive.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then can make these embodiments other change and modification.So appended claims be intended to be construed to include it is excellent
It selects embodiment and falls into all change and modification of the scope of the invention.Obviously, those skilled in the art can be to the present invention
Carry out various modification and variations without departing from the spirit and scope of the present invention.If in this way, these modifications and changes of the present invention
Belong within the scope of the claims in the present invention and its equivalent technologies and be also intended to comprising including these modification and variations.
Claims (5)
1. a kind of anti frozen liquid for bituminous paving, which is characterized in that be made of the raw material of following parts by weight：Potassium formate 10~20
It is part, 5~10 parts of sodium chloride, 5~10 parts of ethylene glycol, 1~3 part of dipotassium hydrogen phosphate, 1~2 part of croscarmellose sodium, wooden
Plain 0.1~0.5 part of sodium sulfonate, 0.1~0.5 part of EDETATE SODIUM, 0.02~0.05 part of acrylate copolymer, potassium hydroxide 0.1~
0.5 part, 0.1~0.2 part of dimethyl silicone polymer, 60~80 parts of water.
2. the anti frozen liquid according to claim 1 for bituminous paving, which is characterized in that by the raw material system of following parts by weight
Into：10 parts of potassium formate, 5 parts of sodium chloride, 10 parts of ethylene glycol, 1 part of dipotassium hydrogen phosphate, 2 parts of croscarmellose sodium, lignin
0.5 part of sodium sulfonate, 0.1 part of EDETATE SODIUM, 0.02 part of acrylate copolymer, 0.2 part of potassium hydroxide, dimethyl silicone polymer 0.2
Part, 60 parts of water.
3. the anti frozen liquid according to claim 1 for bituminous paving, which is characterized in that by the raw material system of following parts by weight
Into：20 parts of potassium formate, 8 parts of sodium chloride, 5 parts of ethylene glycol, 2 parts of dipotassium hydrogen phosphate, 1 part of croscarmellose sodium, lignin
0.3 part of sodium sulfonate, 0.3 part of EDETATE SODIUM, 0.05 part of acrylate copolymer, 0.5 part of potassium hydroxide, dimethyl silicone polymer 0.15
Part, 80 parts of water.
4. the anti frozen liquid according to claim 1 for bituminous paving, which is characterized in that by the raw material system of following parts by weight
Into：15 parts of potassium formate, 10 parts of sodium chloride, 8 parts of ethylene glycol, 3 parts of dipotassium hydrogen phosphate, 2 parts of croscarmellose sodium, lignin
0.1 part of sodium sulfonate, 0.5 part of EDETATE SODIUM, 0.03 part of acrylate copolymer, 0.3 part of potassium hydroxide, dimethyl silicone polymer 0.1
Part, 70 parts of water.
5. a kind of preparation method of the anti frozen liquid described in claim 1 for bituminous paving, which is characterized in that including following step
Suddenly：
（1）Each raw material is weighed by following parts by weight：10~20 parts of potassium formate, 5~10 parts of sodium chloride, 5~10 parts of ethylene glycol, phosphoric acid
1~3 part of hydrogen dipotassium, 1~2 part of croscarmellose sodium, 0.1~0.5 part of sodium lignin sulfonate, EDETATE SODIUM 0.1~0.5
Part, 0.02~0.05 part of acrylate copolymer, 0.1~0.5 part of potassium hydroxide, 0.1~0.2 part of dimethyl silicone polymer, water 60
~80 parts；
（2）The acrylate copolymer is immersed in step（1）In in the water that weighs, 1~2h is stood, then with 1000r/min
Speed stir 30~60min, obtain glue；
（3）Under the mixing speed of 500r/min, to step（2）Add in the ethylene glycol in the glue of gained, stirring 10~
The potassium hydroxide is added after 30min, EDETATE SODIUM is added after potassium hydroxide is completely dissolved, treats that EDETATE SODIUM is completely molten
10~30min is stirred for after solution, obtains alcohol, water mixed liquid；
（4）Under the mixing speed of 100r/min, to step（3）The potassium formate and chlorine are added in the alcohol of gained, water mixed liquid
Change sodium, be stirred for 10~30min after potassium formate, sodium chloride are completely dissolved, obtain alcohol, salt mixed liquor；
（5）To step（4）Dipotassium hydrogen phosphate, croscarmellose sodium, sulfomethylated lignin are added in the alcohol of gained, salt mixed liquor
Sour sodium and dimethyl silicone polymer, then with the speed of 100r/min stir 30~60min to get to described for bituminous paving
Anti frozen liquid.
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| CN111995984A (en) * | 2019-10-23 | 2020-11-27 | 任丘市诚亿化工有限公司 | High-concentration antifreezing liquid coal dust suppressant |
| CN112160212B (en) * | 2020-09-07 | 2022-05-13 | 东南大学 | Anti-freezing asphalt pavement structure and method for preparing pavement material by using same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102031089B (en) * | 2010-11-23 | 2013-06-26 | 长春金宝特生物化工有限公司 | Non-chlorine environmentally-friendly snow melting agent |
| CN103582686A (en) * | 2011-06-08 | 2014-02-12 | 阿克佐诺贝尔化学国际公司 | Deicing composition |
| CN103666393A (en) * | 2013-11-20 | 2014-03-26 | 青岛晨讯通商贸有限公司 | Novel motor vehicle antifreeze fluid |
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2016
- 2016-12-27 CN CN201611228046.4A patent/CN106833523B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102031089B (en) * | 2010-11-23 | 2013-06-26 | 长春金宝特生物化工有限公司 | Non-chlorine environmentally-friendly snow melting agent |
| CN103582686A (en) * | 2011-06-08 | 2014-02-12 | 阿克佐诺贝尔化学国际公司 | Deicing composition |
| CN103666393A (en) * | 2013-11-20 | 2014-03-26 | 青岛晨讯通商贸有限公司 | Novel motor vehicle antifreeze fluid |
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