CN109897538A - A kind of anti-icing interleaving agent in road - Google Patents
A kind of anti-icing interleaving agent in road Download PDFInfo
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- CN109897538A CN109897538A CN201910204197.3A CN201910204197A CN109897538A CN 109897538 A CN109897538 A CN 109897538A CN 201910204197 A CN201910204197 A CN 201910204197A CN 109897538 A CN109897538 A CN 109897538A
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- icing
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- silicone oil
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Abstract
The invention discloses a kind of anti-icing interleaving agents in road, are formed by being modified ether amines alkyl-silicone oil lotion and hydrophilic polyurethane；In use, 50 parts of modified ether amines alkyl-silicone oil lotions are stirred evenly with 5~20 parts of hydrophilic polyurethanes, obtained composite foam lotion is quickly sprayed on one layer of anti-icing release agent coating of formation on road surface；Ether amines alkyl-silicone oil lotion is wherein modified to be made of 1~3 part of single stearic acid glycerine lipoprotein, 1.5~3 parts of ethylenediamine diacetic acid, 0.5~2 part of alkyl glycosides APG2000,0.05~0.5 part of aluminium-magnesium silicate, 30~60 parts of ether amines alkyl-silicone oils, 50 parts of water.The anti-icing interleaving agent of the present invention can be stabilized on pavement structure, the coefficient of friction of pavement structure is not influenced, so that sleet, subcooled water or ice are not easy to be adhered on road surface, or the driving pressure nature ice-breaking in wheel, it is easy to remove, labour is greatlyd save, traffic accident is reduced, improves winter vehicle driving quality.
Description
Technical field
The invention belongs to field of material technology, and in particular to a kind of anti-icing interleaving agent that can be applied to pavement structure.
Background technique
Communications and transportation is the prerequisite and infrastructure of national economic development, is the existence basis of modern humans society,
An important factor for being territorial development, city and economic layout formation, while being also the important tool of resource distribution and macro adjustments and controls.
However, due to the difference of China's the South and the North weather, the northern easy accumulated snow Cheng Bing in road surface, in the more wet south in China, the road in winter
Road maintenance work also faces seriously threatening for ice disaster.Sleet is a kind of common disaster of time at the beginning of southern early winter or last month of spring in winter
Property weather, since winter air is wet, sleet is more, when encountering temperature and being lower than 0 DEG C of object, will freeze at once, these
Climatic factor greatly reduces vehicle tyre, and (data show attachment coefficient, the attachment coefficient of dry bituminous pavement on road surface
About 0.6, and the attachment coefficient of snowy road surface is about 0.2, the attachment coefficient of ice-patch surface be about 0.15), while across river across
Since moisture is too heavy on extra large bridge, it is easier to freeze on road surface, this brings serious threat to the coast is clear and traffic safety, into
And leading to traffic in winter Frequent Accidents, highway is stopped transport, and national economy loses the serious consequences such as huge.
Early stage solves the problems, such as that frost mainly uses snow melt salt, artificial deicing, road-surface heating or uses micro nano structure structure
Hydrophobic material surface is built, but a large amount of a large amount of corrosion for being led to chloride ion road pavement structural material using snow melt salt, artificial deicing are made
Sharp instrument very destructible pavement structure, while road-surface heating makes road surface local temperature excessively high, so that pitch is easily old
Change, these can all give the destruction of coming year pavement structure, and heavy resurfacing brings further hidden danger, while hydrophobic material is to icing
Ice face still has the adhesion strength of 100~500kPa, this causes ice-patch surface to be difficult ice-breaking, traffic trip under the rolling of vehicle
Still very big obstacle is brought.Recently, P.Irajizad et al. is developed using the concept of stress localization with material interface
Elasticity can position the problem of carrying out shear interface to realize the adherency of stress rupture ice, but they are one using the material of elastomer
Kind is lubricious, is not only difficult in conjunction with road surface or other surfaces, and apply to road surface and will lead to wheel frictional behaviour sharply
Decline.Liu Guojun et al. constructs a kind of Janus using super-hydrophobic dimethyl silicone polymer and quaternary ammoniated methyl-prop enester
Cotton fiber applications, though the material has preferable hydrophobicity, are not accounted for and are glued to substrate in the separation of oil hydrosol
Attached property problem.
In conclusion develop it is a kind of can be stabilized on pavement structure, do not influence the coefficient of friction of pavement structure, and make
Obtaining sleet, subcooled water or ice and being not easy to be adhered to the road on road surface with Anti-ice-and-snow coating material is that traffic transport industry is urgently to be resolved
Problem has great social effect and economic benefit.
Summary of the invention
It can be stabilized on pavement structure the purpose of the present invention is to provide a kind of, not influence the frictional property of pavement structure
Can, so that sleet, subcooled water or ice are not easy to be adhered on road surface, it is easy to remove, or the natural ice-breaking under the driving pressure of wheel
The anti-icing interleaving agent in road surface.
For above-mentioned purpose, the anti-icing interleaving agent in road surface of the present invention is by being modified ether amines alkyl-silicone oil lotion and parent
Aqueous polyurethane composition, the modification ether amines alkyl-silicone oil lotion is by 1~3 mass parts single stearic acid glycerine lipoprotein, 1.5~3
Mass parts ethylenediamine diacetic acid, 0.5~2 mass parts alkyl glycosides APG2000,0.05~0.5 mass parts aluminium-magnesium silicate, 30~60
Mass parts ether amines alkyl-silicone oil, 50 mass parts water composition；Wherein, the ether amines alkyl-silicone oil is to gather 100 mass parts
Ether amines, the mixing of 10~45 mass parts vinyl-terminated silicone fluids, the faint yellow dope that 6~12h is obtained is stirred to react at 70~90 DEG C.
Preferably, above-mentioned modification ether amines alkyl-silicone oil lotion by 2~2.5 mass parts single stearic acid glycerine lipoproteins, 2~
2.5 mass parts ethylenediamine diacetic acid, 1~1.5 mass parts alkyl glycosides APG2000,0.2~0.3 mass parts aluminium-magnesium silicate, 45~
55 mass parts ether amines alkyl-silicone oils, 50 mass parts water composition.
Above-mentioned modified ether amines alkyl-silicone oil lotion the preparation method comprises the following steps: being formed according to mass parts, by glycerol monostearate
Rouge, ethylenediamine diacetic acid, alkyl glycosides APG2000, aluminium-magnesium silicate are soluble in water, make it completely dissolved, are then slowly added into ether
Amination alkyl-silicone oil is emulsified at 20~50 DEG C, obtains white " milky " liquid, as modified ether amines alkyl-silicone oil lotion.
Preferably, the ether amines alkyl-silicone oil is by 100 mass parts polyetheramines, 35~40 mass parts end-vinyls
Silicone oil mixing, the faint yellow dope that 6~12h is obtained is stirred to react at 80 DEG C.
Above-mentioned polyetheramine is polyetheramine D400, polyetheramine D2000, any one in polyetheramine T5000 or two or more,
Preferred, polyethers amine D2000.
The number-average molecular weight of above-mentioned vinyl-terminated silicone fluid is 2000~15000Da, and the number of preferably vinyl-terminated silicone fluid is equal
Molecular weight is 5000~6000Da.
Above-mentioned hydrophilic polyurethane preferred hydrophilic polyurethane DM-1.
50 mass parts when in use, are modified ether amines alkyl-silicone oil lotion and 5~20 with anti-icing interleaving agent by above-mentioned road
Mass parts hydrophilic polyurethane stirs evenly, and obtained composite foam lotion is quickly sprayed on road surface, in road surface shape after 2~3h
At one layer of anti-icing release agent coating.
Preferably, above-mentioned road with anti-icing interleaving agent when in use, by the modified ether amines alkyl-silicone oil cream of 50 mass parts
Liquid is stirred evenly with 10~15 mass parts hydrophilic polyurethanes, and obtained composite foam lotion is quickly sprayed on road surface, sprinkling
Amount is 0.2~1.0kg/m2, one layer of anti-icing release agent coating is formed on road surface after 2~3h.
Beneficial effects of the present invention are as follows:
1, the present invention synthesizes ether amines alkyl-silicone oil first, and the method used is solvent-free addition reaction.The chemistry of selection
Reagent is polyetheramine and vinyl-terminated silicone fluid, two or three end primary amino groups are contained at the both ends of polyetheramine strand, in heating
Condition is easy to that addition reaction occurs with the vinyl at vinyl silicone oil strand both ends, so that unsaturated vinyl silicone oil is anti-
Ether amines alkyl-silicone oil should be become, due to the molar equivalent of the content Excess ethylene base silicone oil significantly of polyetheramine, polyetheramine
With the complete addition of two terminal double bonds of vinyl silicone oil, the performance for being similar to Bola surfactant, i.e. intermediate segment point are formed
For son since the effect of siloxanes forms high surface tension, the polyetheramine at both ends forms hydrophilic local surface tension.
The ether amines alkyl-silicone oil is emulsified using emulsifier later, obtains the modified silanized ether amines lotion of environment friendly,
The lotion occurs click chemistry with hydrophilic polyurethane and reacts, and 2h crosslinks to form the anti-icing interleaving agent of three-dimensional thermosetting property later.
2, aluminium-magnesium silicate used in the anti-icing interleaving agent of the present invention is similar to the building stones chemical component of pavement structure, gathers simultaneously
Urethane strongly adherent adheres to the coating and road surface tightly to be integrally formed, the abrasion of tire are prevented, in the outer layer of pavement structure
Silane molecule chain is expose, which has excellent hydrophobic ability, glues when water, subcooled water or cold rain are deposited on to have sprayed
After above attached property silicon coating, silane molecule chain will sharply repel hydrone and stop above, or will form one layer of barrier
So that water or ice are not easy to ultimately form one layer of anti-icing barrier coat in glued on top so that ice is easy to remove and greatly save labor
Power, avoid traffic accident generation, improves winter vehicle driving quality.
Detailed description of the invention
Fig. 1 is that anti-icing barrier coat is to the adhesiveness of ice on marshal piece, wherein (a) is the examination of asphalt Marshall
Part；It (b) is the marshal piece of the sprinkling anti-icing interleaving agent of embodiment 2；It (c) is the Marshall of the sprinkling anti-icing interleaving agent of embodiment 6
Test specimen.
Fig. 2 is the secondary icing figure of anti-icing barrier coat on marshal piece, wherein (a) is the examination of asphalt Marshall
Part；It (b) is the marshal piece of the sprinkling anti-icing interleaving agent of embodiment 6.
Specific embodiment
The present invention is described in more detail with reference to the accompanying drawings and examples, but protection scope of the present invention not only limits
In these embodiments.
Embodiment 1
The vinyl-terminated silicone fluid that 50.0g polyetheramine D2000,5.0g number-average molecular weight is 6000 is mixed, is stirred at 80 DEG C
Reaction 10h is mixed, faint yellow dope, i.e. ether amines alkyl-silicone oil are obtained.By 2.5g single stearic acid glycerine lipoprotein, 2.0g ethylenediamine two
Acetic acid, 1.5g alkyl glycosides APG2000,0.1g aluminium-magnesium silicate are dissolved in 50.0g water, are made it completely dissolved, and then at room temperature (25
DEG C) it is slowly added to 50.0g ether amines alkyl-silicone oil while stirring, white " milky " liquid is obtained, as modified ether amines alkyl-silicone oil
Lotion.
2min is mixed in the modified ether amines alkyl-silicone oil lotion of 50.0g and 5.0g hydrophilic polyurethane DM-1, is obtained
Composite foam lotion, i.e., anti-icing interleaving agent.
Embodiment 2
Modified ether amines alkyl-silicone oil lotion is prepared according to the method for embodiment 1.By the modified ether amines alkyl-silicone oil of 50.0g
2min is mixed in lotion and 10.0g hydrophilic polyurethane DM-1, obtains composite foam lotion, i.e., anti-icing interleaving agent.
Embodiment 3
Modified ether amines alkyl-silicone oil lotion is prepared according to the method for embodiment 1.By the modified ether amines alkyl-silicone oil of 50.0g
2min is mixed in lotion and 20.0g hydrophilic polyurethane DM-1, obtains composite foam lotion, i.e., anti-icing interleaving agent.
Embodiment 4
The vinyl-terminated silicone fluid that 50.0g polyetheramine D2000,10.0g number-average molecular weight is 6000 is mixed, is stirred at 80 DEG C
Reaction 10h is mixed, faint yellow dope, i.e. ether amines alkyl-silicone oil are obtained.Then modified ether amines are prepared according to the method for embodiment 1
Change alkyl-silicone oil lotion.The modified ether amines alkyl-silicone oil lotion of 50.0g and 10.0g hydrophilic polyurethane DM-1 are mixed
2min obtains composite foam lotion, i.e., anti-icing interleaving agent.
Embodiment 5
The vinyl-terminated silicone fluid that 50.0g polyetheramine D2000,20.0g number-average molecular weight is 6000 is mixed, is stirred at 80 DEG C
Reaction 10h is mixed, faint yellow dope, i.e. ether amines alkyl-silicone oil are obtained.Then modified ether amines are prepared according to the method for embodiment 1
Change alkyl-silicone oil lotion.The modified ether amines alkyl-silicone oil lotion of 50.0g and 10.0g hydrophilic polyurethane DM-1 are mixed
2min obtains composite foam lotion, i.e., anti-icing interleaving agent.
Embodiment 6
The vinyl-terminated silicone fluid that 50.0g polyetheramine D2000,20.0g number-average molecular weight is 15000 is mixed, at 80 DEG C
It is stirred to react 10h, obtains faint yellow dope, i.e. ether amines alkyl-silicone oil.Then modified ether is prepared according to the method for embodiment 1
Amination alkyl-silicone oil lotion.The modified ether amines alkyl-silicone oil lotion of 50.0g and 15.0g hydrophilic polyurethane DM-1 are mixed
2min obtains composite foam lotion, i.e., anti-icing interleaving agent.
Embodiment 7
The vinyl-terminated silicone fluid that 50.0g polyetheramine D2000,10.0g number-average molecular weight is 6000 is mixed, is stirred at 80 DEG C
Reaction 10h is mixed, faint yellow dope, i.e. ether amines alkyl-silicone oil are obtained.Then modified ether amines are prepared according to the method for embodiment 1
Change alkyl-silicone oil lotion.The modified ether amines alkyl-silicone oil lotion of 50.0g and 20.0g hydrophilic polyurethane DM-1 are mixed
2min obtains composite foam lotion, i.e., anti-icing interleaving agent.
Embodiment 8
The vinyl-terminated silicone fluid that 50.0g polyetheramine D2000,10.0g number-average molecular weight is 6000 is mixed, is stirred at 80 DEG C
Reaction 10h is mixed, faint yellow dope, i.e. ether amines alkyl-silicone oil are obtained.Then modified ether amines are prepared according to the method for embodiment 1
Change alkyl-silicone oil lotion.The modified ether amines alkyl-silicone oil lotion of 50.0g and 5.0g hydrophilic polyurethane DM-1 are mixed
2min obtains composite foam lotion, i.e., anti-icing interleaving agent.
In order to verify beneficial effects of the present invention, inventor carries out the performance of the anti-icing interleaving agent of Examples 1 to 8 respectively
Test, the specific test method is as follows:
1, abrasion resistance of the anti-icing interleaving agent on marshal piece
By anti-icing interleaving agent brushing on Marshall slice test specimen, the brushing amount of coating is 0.5kg/m2；Drying to be coated
Afterwards, the pitch melted using heat will be sliced test specimen leveling, be bonded on malthoid；Later according to " highway engineering --- pitch and pitch
Mixture Experimental Procedures JTJ052-2000 " in " the wet wheel abrasion test of T0752-1993 emulsified asphalt slurry seal mixture "
Test method, using wet wheel abrasion instrument wear away coating 5min, then test specimen is dried, computed losses area is tried with Marshall
(diameter is the circle of 10cm, 25 π cm to the original area of part2) it is used as reference, the anti-icing interleaving agent of Examples 1 to 8 is calculated separately wet
Coating under wheel abrasion is with respect to the loss percentage of reference, and the results are shown in Table 1.
2, coefficient of friction of the anti-icing barrier coat to tire
Test operation step will be implemented referring to " highway subgrade pavement on-the-spot test regulation JTJ059-95 " (T0964-95)
The anti-icing interleaving agent of example 1~8, which is sprayed at respectively on road surface, to be tested, and is chosen at the wheel path of two, road surface, each section is parallel
It tests at three, is averaged the coefficient of friction for the section.Meanwhile the surface friction coefficient of asphalt making is measured, as
Reference object.Its test data is as shown in table 1.
3, the anti-icing interleaving agent of Examples 1 to 8 is divided respectively coated on smooth iron plate, tests it after being completely dried
Water contact angle, each sample test 3 times, and calculate average value.The results are shown in Table 1 for it.
The performance parameter that 1 tunnel of table is used with anti-icing release agent coating
The principal element for influencing coating performance is the ability of anti-ice-snow adherency, anti-wheel wear loss amount and resists to vehicle
Sliding/friction coefficient.According to the data result of table 1 it is found that the content of silicone oil will affect anti-ice-snow adherency in ether amines alkyl-silicone oil
Ability and vehicle antiskid coefficient of friction, silicone oil is higher, and anti-ice adhesive capacity is stronger, but can reduce vehicle antiskid coefficient of friction,
But appropriate hydrophilic polyurethane DM-1 can be improved the antiskid coefficient of friction of vehicle, that is, improved by solidification ether amines alkyl-silicone oil
The driving safety of vehicle.In addition, under conditions of guaranteeing road vehicles safety traveling, compared to asphalt levelling blanket
62.5 ° of average contact angle, the contact angle that the anti-icing interleaving agent of Examples 1 to 8 forms coating is all larger than 100 °, it was demonstrated that the coating category
In the surface of very hydrophobic, further demonstrate that the coating has excellent anti-ice-snow adhesive capacity.
4, anti-icing barrier coat is tested on marshal piece to the adhesiveness of ice
Respectively by the anti-icing interleaving agent brushing of embodiment 2 and 6 on Marshall slice test specimen, the brushing amount of coating is
0.5kg/m2；It is immersed in water vat after drying to be coated, and freezes 12h in -20 DEG C of constant temperature humidity cabinet.It is tried simultaneously with Marshall
The originating petroleum asphalt of uncoated coating is as control test specimen on part.As shown in Figure 1a, in Marshall control sample after 12h
To freeze a thick-layer ice sheet on test specimen, and carries out fixed high impact using the mechanical force of 1kg, not only ice sheet is unbroken for discovery, and
Ice sheet adheres to very tight with marshal piece；And the shape after the anti-icing interleaving agent of brushing embodiment 2 and embodiment 6 on marshal piece
At coating carry out fixed high impact (see Fig. 1 b and Fig. 1 c) using the mechanical force of 1kg, discovery ice sheet easily smashes very much, and from test specimen
It separates, shows that the coating can prevent ice sheet from adhering on test specimen, can be used as anti-icing barrier coat.
5, on marshal piece anti-icing barrier coat secondary icing tests
It will be on the marshal piece of freeze the asphalt marshal piece after removing and the anti-icing interleaving agent of brushing embodiment 6
The ice cube (basal diameter 8cm, high 5cm) for placing same size respectively, is placed in -20 DEG C of constant temperature humidity cabinet after 2h, takes out
Its secondary icing phenomenon is observed, as a result, it has been found that the ice cube on asphalt marshal piece is firmly adhered on marshal piece,
And the ice cube on the marshal piece of the anti-icing interleaving agent of brushing embodiment 6 is very easy to fall off, this shows applying coating marshal piece
Secondary icing of the ice cube on test specimen can be prevented, while ice pellets adherency not occurring, further proves that the coating is efficiently beneficial
Anti-icing barrier coat.
Claims (10)
1. a kind of anti-icing interleaving agent in road, it is characterised in that: the road is with anti-icing interleaving agent by being modified ether amines alkyl-silicone oil cream
Liquid and hydrophilic polyurethane composition；In use, the modified ether amines alkyl-silicone oil lotion of 50 mass parts and 5~20 mass parts is hydrophilic
Property polyurethane stir evenly, obtained composite foam lotion is quickly sprayed on road surface, after 2~3h road surface formed one layer it is anti-icing
Release agent coating；
Above-mentioned modification ether amines alkyl-silicone oil lotion is by 1~3 mass parts single stearic acid glycerine lipoprotein, 1.5~3 mass parts ethylenediamines
Oxalic acid, 0.5~2 mass parts alkyl glycosides APG2000,0.05~0.5 mass parts aluminium-magnesium silicate, 30~60 mass parts ether amines
Alkyl-silicone oil, 50 mass parts water composition；Wherein, the ether amines alkyl-silicone oil is by 100 mass parts polyetheramines, 10~45 matter
The mixing of part vinyl-terminated silicone fluid is measured, the faint yellow dope that 6~12h is obtained is stirred to react at 70~90 DEG C.
2. the anti-icing interleaving agent in road according to claim 1, it is characterised in that: the modification ether amines alkyl-silicone oil cream
Liquid is by 2~2.5 mass parts single stearic acid glycerine lipoproteins, 2~2.5 mass parts ethylenediamine diacetic acid, 1~1.5 mass parts alkyl glycosides
APG2000,0.2~0.3 mass parts aluminium-magnesium silicate, 45~55 mass parts ether amines alkyl-silicone oils, 50 mass parts water composition.
3. the anti-icing interleaving agent in road according to claim 1 or 2, it is characterised in that the modification ether amines alkyl-silicone oil
Lotion the preparation method comprises the following steps: being formed according to mass parts, by single stearic acid glycerine lipoprotein, ethylenediamine diacetic acid, alkyl glycosides
APG2000, aluminium-magnesium silicate are soluble in water, make it completely dissolved, and are then slowly added into ether amines alkyl-silicone oil, at 20~50 DEG C
It is emulsified, obtains white " milky " liquid, as modified ether amines alkyl-silicone oil lotion.
4. the anti-icing interleaving agent in road according to claim 1, it is characterised in that: the ether amines alkyl-silicone oil be by
100 mass parts polyetheramines, 35~40 mass parts vinyl-terminated silicone fluids mixing, be stirred to react at 80 DEG C 6~12h obtain it is faint yellow
Dope.
5. the anti-icing interleaving agent in road according to claim 1, it is characterised in that: the polyetheramine be polyetheramine D400,
Any one in polyetheramine D2000, polyetheramine T5000 is two or more.
6. the anti-icing interleaving agent in road according to claim 5, it is characterised in that: the polyetheramine is polyetheramine D2000.
7. the anti-icing interleaving agent in road according to claim 1, it is characterised in that: the number of the vinyl-terminated silicone fluid is divided equally
Son amount is 2000~15000Da.
8. the anti-icing interleaving agent in road according to claim 7, it is characterised in that: the number of the vinyl-terminated silicone fluid is divided equally
Son amount is 5000~6000Da.
9. the anti-icing interleaving agent in road according to claim 1, it is characterised in that: the hydrophilic polyurethane is hydrophily
Polyurethane DM-1.
10. the anti-icing interleaving agent in road according to claim 1, it is characterised in that: in use, by the modified ether amines of 50 mass parts
Change alkyl-silicone oil lotion to stir evenly with 10~15 mass parts hydrophilic polyurethanes, obtained composite foam lotion is quickly sprayed on
On road surface, fountain height is 0.2~1.0kg/m2, one layer of anti-icing release agent coating is formed on road surface after 2~3h.
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| CN201910204197.3A CN109897538B (en) | 2019-03-18 | 2019-03-18 | Anti-icing isolating agent for roads |
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