CN103058585A - Method for preparing polyurethane rubber granule mixture for pavement self-stress icebreaking - Google Patents
Method for preparing polyurethane rubber granule mixture for pavement self-stress icebreaking Download PDFInfo
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Abstract
The invention discloses a method for preparing polyurethane rubber granule mixture for pavement self-stress icebreaking, and relates to rubber mixture. The method comprises the steps of firstly, mixing various grain sizes of gravels and rubber particles for 60s at room temperature, obtaining gravel and rubber particle mixture, adding bi-component polyurethane glue which is modulated by a component A and a component B mixed for 120s at room temperature, mixing for 120s at room temperature, obtaining mixture of the gravel and rubber particles and the polyurethane glue; adding mineral powder to mix for 60s at room temperature, and preparing the polyurethane rubber granule mixture for pavement self-stress icebreaking. The mixed pavement material generates large compressive deformation in use, resulting in that the tensile stress and the shear stress inside an ice layer are obviously increased, so that the ice layer cracks. The ice layer is damaged under reciprocal action of vehicle tires, so as to overcome the problem that accumulated snow and frozen ice on the pavement cannot be effectively solved in the pavement paving material of inhibiting congelation in the prior art and the defects of poor pavement performance, low durability and non-environmental performance.
Description
Technical field
Technical scheme of the present invention relates to a kind of mixture of rubber, specifically is used for the preparation method of the urethanes particle mixture that opens ice from stress on the road surface.
Background technology
The technical measures that the present road snow of solution both at home and abroad freezes mainly can be divided into according to the difference of the mechanism of action: chemical deicing method and physics deicing method.
Chemistry deicing method is to reduce the ice and snow melting point by spreading Chemical deicers on the road surface, makes ice dissolution, reaches the purpose of removing ice and snow.Chemistry deicing method short run effect is better, it is now widely used deicing method, its significant defective is, can cause some highway airport durability of asphalt pavements to descend, occur that multi-form deteriorated destruction such as pitch are softening, asphalt membrane peels off, bellding, gather materials loose etc., cause the forfeiture of bituminous pavement stability, the pitch that is softened is general to the road table, reduces the cling property on road surface; The peeling off to make of asphalt membrane reduced cohesion between the aggregate particle, cause the loose road surface of pellet the hole groove to occur; Softening pitch causes serious pollution to environment.Simultaneously salt solvent can corrode motive vehicle meeting and it got rusty cause the lost of life and very easily cause the soda acid of agricultural land soil on every side.
Physics deicing method, different according to the concrete measure that adopts, can be divided into the paving material selection that artificial process, mechanical process, thermal ice-melting method and inhibition are freezed.
1. artificial process cleaning ice and snow is thorough, but efficient is low, expense is high, poor stability, unsuitable long working.Power shovel ice and snow method efficient is high, be fit to length apart from operation, but it is not thorough to remove effect.
2. mechanical blowing snow mode is applicable to without the thinner accumulated snow cleaning that rolls, for accumulated snow or the ice sheet weak effect of compacting.
3. the thermal ice-melting method is to utilize hot water, underground heat homenergic that ice and snow on road surfaces is melted.Spraying hot water deicing technology is by spraying hot water to the road table, impelling road surface ice snow melt; Its obvious defective is: energy consumption is large, expense is high and complex process.
4. the paving material selection that suppresses to freeze has following two classes:
A. utilize and in existing paving material, add elastic granule or inlay the definite shape block rubber; adjust the deformation characteristic on road surface; increase the local deformaton ability; under the effect of traffic loading; road surface ice floor is produced from stress; when stress reached capacity intensity, the ice and snow layer cracking suppressed the purpose that ice sheet forms thereby reach.Its defective is: can destroy the original state in road surface in the process of inlaying the class technical elements mosaic rubber block of mating formation, there is not certain contiguity with former road surface, plane of weakness can appear around the block rubber, under the effect of environmental load and wheel load, block rubber and mineral aggregate on every side thereof can come off from road surface very soon, this not only affects its deicing effect, uses normally function and work-ing life but also can affect the road surface.
B. the paving material that freezes of the novel inhibition of research and development application, these materials have the characteristics of deicing, antiskid, noise reduction.CN102432230A discloses the preparation method of a kind of deicing, antiskid, noise-reduction asphalt road surface material, the method is to add inorganic, the organic composite storage salt material of particle diameter between 0.5mm～2mm on the ripe porous asphalt mixture pavement technique in the field of business basis basically, its deficiency mainly comprises three aspects: 1. the porous asphalt mixture pavement technique is because the concrete dynamic modulus characteristics, poor durability, easy plug-hole rarely have application at home; 2. comprising inorganic reduction freezing point host in the particulate state storage salt material is calcium chloride, belong to a kind of of Industrial Salt, a large amount of uses can cause the salinization of road Soil Surrounding, vegetation mortality, organic auxiliary freeze point depression agent is ethylene glycol, propylene glycol, glycerol, urea, and a large amount of uses can cause road periphery body eutrophication and cause water body rancid; 3. these storage salt materials can corrode asphalt pavement material and cause durability of asphalt pavement to descend.CN102408872A discloses a kind of composition and technology of preparing of holding salt formula deicing material special for asphalt pavement, the method utilization atomizing agglomeration technique is prepared inorganic organic composite storage salt deicing material, by this storage salt material of admixture in asphalt, just can reach softening ice sheet, promote the effect that ice sheet melts, mainly there is following some deficiency in this technology by analysis: the deicer salts Calcium Chloride Powder Anhydrous and the ethylene glycol that use in a large number non-environmental protection class, according to these two kinds of deicer salts of relevant report in a large number use can cause soil compaction, salinization, the environmental hazards such as water eutrophication, many developed countries ban use of; This technology also belongs to the method for traditional chemical deicing, and vehicle is had extremely strong corrodibility, and road, bridge are also had certain aggressiveness, causes many vehicle damage or Infrastructure endurance issues to occur.
Summary of the invention
Technical problem to be solved by this invention is: the preparation method who is provided for the preparation method of the urethanes particle mixture that opens ice from stress on the road surface; to adopt weather resistance better; the urethane that cohesive force is stronger replaces pitch as agglutinate; adding the waste and old rubber particle and the thickness that grind gathers materials; make a kind of preparation method of the urethanes particle mixture that opens ice from stress for the road surface; the larger compression set of this mixture material generation causes tensile stress and shearing stress in the ice sheet obviously to increase during application; local tensile stress and shearing stress are greater than ultimate tensile strength and the ultimate shearing strenngth of ice; and cause ice sheet to rupture; under the repeated action of vehicle tyre; ice sheet is destroyed gradually; and along with the motion of vehicle; former road surface is exposed out; the anti-slide performance on road surface is recovered gradually; in addition; has high-temperature stability after this compound moulding; low-temperature cracking-resistance; the high resistance water damage; antistripping and weather resistance, thus overcome exist in the paving material that the inhibition of prior art freezes can not effectively to solve problem and pavement performance that road snow freezes poor; weather resistance is hanged down the shortcoming with not environmental protection.
The present invention solves this technical problem the technical scheme that adopts: be used for the preparation method of the urethanes particle mixture that opens ice from stress on the road surface, step is as follows:
The first step, preparation two component polyurethane glue
I. the preparation of first component
The raw material of preparation first component is shown in the table 1,
The composition of raw materials of table 1. preparation first component
| Starting material | Pure MDI | Liquefied mdi | Polyether Glycols or polyether-tribasic alcohol |
| Massfraction | 95 | 5 | 60～100 |
MDI in the above-mentioned table is the abbreviation of diphenylmethanediisocyanate, and is lower same,
With polyether Glycols or polyether-tribasic alcohol 100～110 ℃ and vacuum tightness be under the condition of 0.08MPa dehydration 1 hour to constant weight, after being cooled to 40 ℃～50 ℃, then the pure MDI and the liquefied mdi that measure that add fusing, 75 ℃～80 ℃ reactions 2～3 hours, the NCO content of analyzing performed polymer reaches 12% and namely meets the demands, get thus the first component
II. the preparation of second component
The raw material of preparation second component is shown in the table 2,
The composition of raw materials of table 2. preparation second component
Composite polyethers in the above-mentioned table is in mass ratio, the trihydroxy-polyethers: polyether diols=1.5: 1 is regulated and is made,
Composite polyethers and chainextender are mixed by prescription, be heated to 110 ℃, be under the condition of 0.08MPa degassed 1 hour in vacuum tightness, be cooled to the chainextender, softening agent, filler, pigment, UV light absorber, water-retaining agent, oxidation inhibitor, catalyzer, fire retardant and the anti-aging agent that add formula ratio after 80 ℃, stir, then grind 2 times at colloidal mill, be controlled at below the 35 μ m to fineness, and it is under the condition of 0.08MPa degassed 0.5 hour in vacuum tightness again, make thus the second component, seal up for safekeeping stand-by;
Second step, the design level proportioning of the consumption of used component materials example in the compound
Table 3 has been listed the design level proportioning example of the consumption of used component materials in the compound,
Used material in the configuration of table 3. compound
| The feed composition title | The mass percent ratio |
| 1～4mm waste and old rubber particle | 16% |
| 16 order waste and old rubber particles | 9% |
| 11～15mm rubble | 25% |
| 5～10mm |
24% |
| ＜5mm |
20% |
| Breeze | 6% |
| Two component polyurethane glue | Glue stone is than 10%～15% |
Glue stone in the table 3 is than the used ratio of removing the total mass of other all materials outside the two component polyurethane glue in the configuration that refers to two component polyurethane glue quality and compound;
The 3rd step, the preparation method of the urethanes particle mixture that opens ice from stress for the preparation of the road surface
Mass percent by listed material in the table 3 takes by weighing various materials, and prepares in the steps below,
(1) in the listed ratio of table 3 take by weighing aequum 11～15mm rubble, 5～10mm rubble and＜the 5mm rubble, place first 105 ± 5 ℃ baking oven to dry to constant weight, then at room temperature 6 hours, at last above-mentioned rubble material is all put into and mixed and stirred pot and at room temperature stirred for 60 seconds, the breeze that takes by weighing aequum in the listed ratio of table 3 simultaneously place separately 105 ± 5 ℃ baking oven dry to constant weight in order to below (4) step use
(2) take by weighing 1～4mm waste and old rubber particle and the 16 order waste and old rubber particles of aequum in the listed ratio of table 3, place first 60 ℃ baking oven to dry to constant weight, at room temperature place cooling, add at last the mixing and stirring in the pot of above-mentioned (1), at room temperature the material in (1) stirred for 60 seconds
The first and second two kinds of components in the two component polyurethane glue that (3) will be made by the first step, first component in mass ratio: the ratio modulation glue of second component=5: 1, should add first the second component during modulation, add again the first component, then stir and namely obtain the two component polyurethane glue that modulates 120 seconds, this the two component polyurethane glue that modulates that takes by weighing aequum in the listed ratio of table 3 adds mixing and stirring in the pot of above-mentioned (2), at room temperature 120 seconds of mix
(4) breeze for subsequent use in above-mentioned (1) step is added mixing and stirring to stir in the pot and mixing and stirring of above-mentioned (3), the time was 60 seconds, finally made the urethanes particle mixture that opens ice from stress for the road surface.
The preparation method's of the above-mentioned urethanes particle mixture that opens ice from stress for the road surface preparation method; described waste and old rubber particle is comprised of three parts; a part is the scrap tire rubber particle; the mass ratio that accounts for the waste and old rubber particle total amount is 60%～70%; a part is waste tape; the scrap rubber pipe; the rubber grain of scrap rubber footwear and other waste rubber product; the mass ratio that accounts for the waste and old rubber particle total amount is 10%～20%; a part is the leftover bits that produce in the rubber item production process and the rubber grain of scrap products, and the mass ratio that accounts for the waste and old rubber particle total amount is 5%～10%.
The preparation method's of the above-mentioned urethanes particle mixture that opens ice from stress for the road surface preparation method, described chainextender is MOCA, namely 3,3'-two chloro-4,4'-diaminodiphenyl-methane or two adjacent chlorodiphenyl amine methane; Described softening agent is phthalic ester; Described filler is potter's clay; Described pigment is red iron oxide; Described UV light absorber is white carbon black; Described water-retaining agent is the BF-5 dewatering agent, i.e. simple function group active isocyanate compound; Described oxidation inhibitor is 1010, i.e. four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester; Described catalyzer is that mass ratio is 4: 1 isooctoate of rare earth metal and the mixture of Phenylmercuric Acetate; Described fire retardant is stannous octoate; Described anti-aging agent is 2,6 di tert butyl 4 methyl phenol.
The preparation method's of the above-mentioned urethanes particle mixture that opens ice from stress for the road surface preparation method, used raw material is all by being purchased or other known approach obtain, and related technique all is that those skilled in the art know and can grasp.
The invention has the beneficial effects as follows: compared with prior art, the substantive distinguishing features that the present invention gives prominence to is:
(1) stress concentration effect
For the road surface that forms ice sheet; road surface or this compound that the preparation method who adopts the present invention to be used for the urethanes particle mixture that opens ice from stress on the road surface lays embed bituminous pavement with bulk form; compare with the plain asphalt road surface; under the tire loading action; has larger deformability by stabilized polyurethane waste and old rubber particle compound; urethanes particle mixture ground surface material produces larger compression set and causes tensile stress and shearing stress in the ice sheet obviously to increase; local tensile stress and shearing stress are greater than ultimate tensile strength and the ultimate shearing strenngth of ice; and cause ice sheet to rupture; under the repeated action of vehicle tyre; ice sheet is destroyed gradually; and along with the motion of vehicle; former road surface is exposed out, and the anti-slide performance on road surface is recovered gradually.
(2) brittle rupture of friction thawing and ice
The ice sheet on road surface bears the repeat function of vehicular load, and the ice and snow under the tire effect can slowly be tending towards melting disappearance.Melt and mainly caused to only have the pressure thawing just might occur by heat of friction when the ice temperature is higher near the average contact pressure of zero degree and interface.Road surface or this compound that the preparation method who adopts the present invention to be used for the urethanes particle mixture that opens ice from stress on the road surface lays embed bituminous pavement with bulk form; than the plain asphalt road surface; under the effect of travelling load; the rubber grain of road table has produced stress concentration and heat of friction; delayed the time of coagulation of road surface ice sheet; even if the road surface ice sheet forms, because the effect of stress and friction, surperficial ice sheet also can produce brittle rupture and melt.The brittle rupture effect of friction thawing effect and ice can be summarized as thus an aspect from the mechanism of action that opens ice on stress road surface.
(3) the present invention's substantive distinguishing features of being used for the selected material of preparation method of the urethanes particle mixture that opens ice from stress on the road surface is: 1. the present invention adopts the mentality of designing of particle interference theory to make rubber grain become the material of bearing load, thereby increases the compliance of urethanes particle mixture.Reach the effect of the deicing of opening ice according to the larger elastic modulus difference of concrete and ice sheet; through analysis-by-synthesis, the present invention adopts optimum gradation AC-13 close-graded to carry out the thickness allotment of gathering materials to be used for the preparation method of the urethanes particle mixture that opens ice from stress on the road surface.Rubber grain plays Main Function in above-mentioned compound, have the function of filler of certain skeleton function and part, and its major function is the elastic performance that increases this compound, thereby utilizes the elastic modulus difference of itself and ice sheet to reach purpose from the stress deicing.2. the present invention is used for the preparation method's of the urethanes particle mixture that opens ice from stress on the road surface two component polyurethane glue: be a kind of macromolecular elastomer, normal temperature is liquid state, has very strong cohesive force, elasticity and plasticity.It also is the preparation method's of the urethanes particle mixture that opens ice from stress for the road surface important component part; its liquid proterties has good workability when making the mix compound; in compound, play bonding thickness Concrete aggregate, thereby make this compound have fine elastic performance and intensity.3. to be used for the preparation method's of the urethanes particle mixture that opens ice from stress on the road surface the content range of each component be just to obtain through again and again experiment in the present invention.In addition according to following consideration, the content of two component polyurethane glue can affect the preparation method's of the urethanes particle mixture that opens ice from stress for the road surface various performances, can make too much the workability of compound become large, but can affect the set time of compound, even cause disintegrating of binding material; Can make very little binding material and mineral aggregate bonding insufficient, thereby make the strength decreased of compound, secondly can cause workability to reduce, be unfavorable for site operation.Therefore on the consumption of two component polyurethane glue; manyly or few all can cause in various degree disadvantageous effect to compound; adopt different glue stone ratios so will gather materials according to the thickness of different gradation, adopt the glue stone of the best of the inventive method than the preparation method's of the urethanes particle mixture that can guarantee to open ice from stress for the road surface premium properties.
Corrode endurance issues for environment, installations and facilities that the traditional chemical de-icing method causes; the present invention abandons the chemical deicing means that open ice; and the method for employing physical mechanics deicing; adopt the urethane that weather resistance is better, cohesive force is stronger to replace pitch as agglutinate; add waste and old rubber particle and the thickness grind and gather materials, make a kind of preparation method of the urethanes particle mixture that opens ice from stress for the road surface.Compared with prior art, marked improvement of the present invention is specifically:
(1) performance marked improvement
Each component adhesive property of the urethanes particle mixture that being used for of adopting that the inventive method makes opens ice from stress on the road surface is good, and thickness is gathered materials strong with the polyurethane glue adhesivity, can form stable binder.Have high-temperature stability, low-temperature cracking-resistance, high resistance water damage, antistripping and weather resistance after this compound moulding.The below lists performance test and the result who makes the urethanes particle mixture that opens ice from stress for the road surface with the inventive method.
1. incipient stability degree experiment
With adopt that the inventive method makes be used for the road surface from urethanes particle mixture that stress opens ice under 25 ± 1 ℃ of room temperatures; according to JTJ052-2000(JTJ052-2000 " highway engineering pitch and asphalt close material experiment rules ") middle T0702 bituminous mixture test piece forming method shaping test piece; then at room temperature health demoulding after 48 hours; again test specimen is placed 60 ℃ of water temperature insulations 30 minutes, measure Marshall stability.
2. residual stability experiment
With adopt that the inventive method makes be used for the road surface from urethanes particle mixture that stress opens ice under 25 ± 1 ℃ of room temperatures, according to JTJ052-2000(JTJ052-2000 " highway engineering pitch and asphalt close material experiment rules ") middle T0702 bituminous mixture test piece forming method, two groups of test specimens of moulding, the at room temperature health demoulding in 48 hours, after the demoulding one group of test specimen is placed 60 ℃ of water temperature insulations 30 minutes, measure Marshall stability R1; Then another group test specimen measures Marshall stability R2, then residual stability S=R2/R1*100% as for insulation in 60 ℃ of water temperatures 48 hours.
3. stable molding degree experiment
With adopt that the inventive method makes be used for the road surface from urethanes particle mixture that stress opens ice under 25 ± 1 ℃ of room temperatures; according to one group of test specimen of T0702 bituminous mixture test piece forming method moulding among the JTJ052-2000 " highway engineering pitch and asphalt close material experiment rules "; the at room temperature health demoulding in 48 hours; and then health 48 hours under the room temperature; then place again test specimen to be placed 60 ℃ of water temperature insulations 30 minutes, measure Marshall stability.
4. split test
With adopt that the inventive method makes be used for the road surface from urethanes particle mixture that stress opens ice under 25 ± 1 ℃ of room temperatures; according to one group of test specimen of T0702 bituminous mixture test piece forming method moulding among the JTJ052-2000 " highway engineering pitch and asphalt close material experiment rules ", measure first every physical indexs such as density, voidage of test specimen according to the T070 method.Then first health 1.5 hours in 15 ± 0.5 ℃ of Water Tanks with Temp.-controlled is taken out one by one test specimen and is carried out the split test record data.
5. Ken Tabao abrasion test:
With adopt that the inventive method makes be used for the road surface from urethanes particle mixture that stress opens ice under 25 ± 1 ℃ of room temperatures; according to one group of test specimen of T0702 bituminous mixture test piece forming method moulding among the JTJ052-2000 " highway engineering pitch and asphalt close material experiment rules "; at first health 20 hours in 20 ± 0.5 ℃ of constant temperature; from Water Tank with Temp.-controlled, take out one by one again test specimen; take by weighing test specimen quality m0, accurately to 0.1g.Put into immediately Los Angeles trier, do not add steel ball, cover tightly lid.Start Los Angeles trier, rotate 300 with the speed of 30r/min and turn.Then open trier, take out test specimen and fragment, take by weighing the residual quality m1 of test specimen.Calculate at last the loss of dispersing of compound.For the immersion experiment of dispersing, first health 48 hours in 60 ± 0.5 ℃ of Water Tanks with Temp.-controlled was placed 24 hours after then taking out at room temperature, experimental procedure and above-mentioned standard disperse test identical.
6. rut experiment
With adopt that the inventive method makes be used for the road surface from urethanes particle mixture that stress opens ice under 25 ± 1 ℃ of room temperatures; according to T0703 bituminous mixture test piece forming method moulding rut plate among the JTJ052-2000 " highway engineering pitch and asphalt close material experiment rules "; test temperature is 60 ℃; wheel load is 0.7MPa; carry out the rut experiment, test complete calculating dynamic stability.
7. uniaxial compression experiment
With adopt that the inventive method makes be used for the road surface from urethanes particle mixture that stress opens ice under 25 ± 1 ℃ of room temperatures; according to one group of test specimen of T0702 bituminous mixture test piece forming method moulding among the JTJ052-2000 " highway engineering pitch and asphalt close material experiment rules "; at first health 2.5 hours in 20 ± 0.5 ℃ of constant temperature; from Water Tank with Temp.-controlled, take out one by one again test specimen, then carry out the uniaxial compression experiment.Experiment finishes calculation testing piece ultimate compression strength and compression rebound modulu.
8. the lab simulation experiment of opening ice
Make the elastic concrete test specimen of the urethanes particle mixture that glue stone opens ice from stress on the road surface than the inventive method that is 12% being used for of making and do not contain the common AC-13 bitumen mixture specimen of two component polyurethane glue according to rolling legal system among highway engineering pitch and the Asphalt Mixture Experiment rules JTJ052-2000, it is plate-like that the specification of two kinds of test specimens is 300mm * 300mm * 50mm.In order to prevent flowing out after above-mentioned test specimen surface from spreading water, guarantee that ice layer thickness is consistent, adopt children's plasticine bottoming and industrial plasticine to do the limit after the demoulding, the ice film thickness is 2mm.Experimental technique is the load difference that the crack appears in the above-mentioned two kinds of test specimens of Comprehensive Assessment, then the comprehensive evaluation effect that opens ice.
By the experiment of above-mentioned standard, the performance index of the elastic concrete test specimen of the urethanes particle mixture that being used for of obtaining that the inventive method makes opens ice from stress on the road surface see Table 4.
Table 4. the inventive method makes the property indices of the elastic concrete test specimen of compound
(2) economic benefit is outstanding
Along with China's rapid development of economy, car owning amount has obtained swift and violent increase in recent years.The generation of junked tire is also increasing year by year, according to incompletely statistics, calendar year 2001 China's junked tire generation reach 4,000 ten thousand to 5,000 ten thousand.And the annual damaged tire that produces expects 2013 with double-digit speed increment, and the turnout of China's damaged tire will reach more than 200,000,000.The starting material waste and old rubber particle that the present invention adopts is the recycling to refuse, effectively solves it to the pollution of environment, has effectively reduced cost; The present invention once mats formation, can use for many years, the maintenance of surface frequency reduces greatly, existing general road probably needs 3-5 to need repairing once, according to durability of asphalt mixture of the present invention is tested, the maintenance frequency can extend to 5-8 once after the laying of roadway, has saved expense aspect maintenance, has indirectly brought economic benefit; The present invention not only can construct at normal temperatures, even also can finish construction at low temperatures, and general urban road laying need to be finished in summer, had effectively saved the energy, and easy construction has reduced cost, economic benefits; Most important one side is exactly its main application function that opens ice.According to statistics, account for more than 35% of traffic in winter accident total amount because of the icing traffic accident that causes of road snow mantle.Use after the present invention fully solving road freezed in winter problem, reduce the harm of road pavement, thus the reduction casualty ratio of accidents, and national people's lives and properties are protected, and have brought huge economic results in society.
(3) deicing successful
Adopt the elastic modulus difference of road and ice sheet, prove that utilization of the present invention reaches quick and efficient deicing effect from the mode of stress deicing, has improved and improved the traffic status of road in the ice and snow situation greatly.
(4) pavement performance promotes
According to analysis of experimental data, the low temperature tensile splitting strength on the road surface that the preparation method who adopts the present invention to be used for the urethanes particle mixture that opens ice from stress on the road surface lays reaches 0.5MPa, fully reflects the stability under its cold condition; Its rut experiment dynamic stability reach 20000 times/more than the mm, be higher than the existing desired standard value of general asphalt pavement construction standard far away, embodied the present invention and be used for the stability of road surface under the hot conditions on the road surface of preparation method's laying of the urethanes particle mixture that stress opens ice; Its Ken Tabao abrasion test rate of loss of dispersing is lower than 3%, and as seen its abrasion resisting performance is remarkable; The data of immersion Marshall experiment and immersion abrasion test can find out that the present invention is used for the road surface that the preparation method of the urethanes particle mixture that opens ice from stress on the road surface lays and has very high water resistant to destroy, and have stronger water stability.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the thickness aggregate grading graphic representation that the present invention is used for the preparation method of the urethanes particle mixture that opens ice from stress on the road surface.
Fig. 2 is the operational flowchart that the present invention is used for the preparation method of the urethanes particle mixture that opens ice from stress on the road surface.
Fig. 3 is the cylindrical schematic diagram of the urethanes particle mixture moulding of opening ice from stress on the road surface with the inventive method being used for of making among the embodiment 4.
Fig. 4 is used for the road surface from the face blob of viscose distribution schematic diagram of the urethanes particle mixture institute road surface pavement that stress opens ice with what the inventive method made among the embodiment 4.
Fig. 5 is used for the road surface from the making structure iron of the urethanes particle mixture institute road surface pavement that stress opens ice for what employing the inventive method made.
Embodiment
Embodiment illustrated in fig. 1 showing, it is the AC-13 thick grading of bitumen construction code requirement that the present invention adopts the mineral aggregate gradation scope, and Fig. 1 shows that this thickness aggregate grading curve satisfies code requirement.
Embodiment illustrated in fig. 2 showing; the preparation flow that the present invention is used for the preparation method of the urethanes particle mixture that opens ice from stress on the road surface mainly is: first with each Stone and rubber grain 60 seconds of mix at room temperature; obtain rubble rubber grain mixture; the two component polyurethane glue that adding is modulated into by first component and second component mix under room temperature 120 seconds; 120 seconds of mix under room temperature; obtain rubble rubber grain polyurethane adhesive water mixture; add again breeze 60 seconds of mix under room temperature, make the urethanes particle mixture that opens ice from stress for the road surface.
Embodiment illustrated in fig. 5 showing; the laying of roadway structural sheet that the urethanes particle mixture that is used for opening ice from stress on the road surface that adopts the inventive method to make adopts when carrying out the All-terrain making is respectively: be soil matrix below the subbase; subbase 20cm; semi-rigid type base 20cm; pitch the Sub 8cm, upper layer are the waste and old rubber grain compound of the urethane 4cm that the inventive method makes.
Embodiment 1
The first step, preparation two component polyurethane glue
I. the preparation of first component
The raw material of preparation first component is as shown in the table,
| Starting material | Pure MDI | Liquefied mdi | Polyether Glycols |
| Quality is divided | 95 | 5 | 60 |
MDI in the above-mentioned table is the abbreviation of diphenylmethanediisocyanate, and is lower same,
With polyether Glycols 100 ℃ and vacuum tightness be under the condition of 0.08MPa dehydration 1 hour to constant weight, be cooled to 40 ℃ after, then add the pure MDI and the liquefied mdi that measure of fusing, 75 ℃ of reactions 2 hours, the NCO content of analyzing performed polymer reaches 12% and namely meets the demands, and gets thus the first component
II. the preparation of second component
The raw material of preparation second component is as shown in the table,
Composite polyethers in the above-mentioned table is in mass ratio, the trihydroxy-polyethers: polyether diols=1.5: 1 is regulated and is made,
Composite polyethers and chainextender are mixed by prescription, be heated to 110 ℃, be under the condition of 0.08MPa degassed 1 hour in vacuum tightness, be cooled to the chainextender MOCA that adds formula ratio after 80 ℃, plasticizer phthalic acid ester, filler potter's clay, the pigment red iron oxide, the UV light absorber white carbon black, water-retaining agent BF-5 dewatering agent, antioxidant 1010, catalyzer is that mass ratio is 4: 1 isooctoate of rare earth metal and the mixture of Phenylmercuric Acetate, fire retardant stannous octoate and anti-aging agent 2, the 6-di-tert-butyl-4-methy phenol, stir, then grind 2 times at colloidal mill, be controlled at below the 35 μ m to fineness, and it is under the condition of 0.08MPa degassed 0.5 hour in vacuum tightness again, make thus the second component, seal up for safekeeping stand-by;
Second step, the design level proportioning of the consumption of used component materials example is as shown in the table in the compound,
| The feed composition title | The mass percent ratio |
| The 1mm waste and old rubber particle | 16% |
| 16 order waste and old rubber particles | 9% |
| The 11mm rubble | 25% |
| The |
24% |
| The |
20% |
| Breeze | 6% |
| Two component polyurethane glue | Glue stone is than 10% |
Glue stone in the above-mentioned table is than the used ratio of removing the total mass of other all materials outside the two component polyurethane glue in the configuration that refers to two component polyurethane glue quality and compound;
The 3rd step, the preparation method of the urethanes particle mixture that opens ice from stress for the preparation of the road surface
Mass percent by listed material in the above-mentioned table takes by weighing various materials, and prepares in the steps below,
(1) takes by weighing 11mm rubble, 5mm rubble and the 1mm rubble of aequum in the listed ratio of above-mentioned table, place first 105 ± 5 ℃ baking oven to dry to constant weight, then at room temperature 6 hours, at last above-mentioned rubble material is all put into and mixed and stirred pot and at room temperature stirred for 60 seconds, the breeze that takes by weighing aequum in the listed ratio of table 3 simultaneously place separately 105 ± 5 ℃ baking oven dry to constant weight in order to below (4) step use
(2) take by weighing 1mm waste and old rubber particle and the 16 order waste and old rubber particles of aequum in the listed ratio of table 3, place first 60 ℃ baking oven to dry to constant weight, at room temperature place cooling, add at last the mixing and stirring in the pot of above-mentioned (1), at room temperature the material in (1) stirred for 60 seconds
The first and second two kinds of components in the two component polyurethane glue that (3) will be made by the first step, first component in mass ratio: the ratio modulation glue of second component=5: 1, should add first the second component during modulation, add again the first component, then stir and namely obtain the two component polyurethane glue that modulates 120 seconds, this the two component polyurethane glue that modulates that takes by weighing aequum in the listed ratio of table 3 adds mixing and stirring in the pot of above-mentioned (2), at room temperature 120 seconds of mix
(4) breeze for subsequent use in above-mentioned (1) step is added mixing and stirring to stir in the pot and mixing and stirring of above-mentioned (3), the time was 60 seconds, finally made the preparation method of the urethanes particle mixture that opens ice from stress for the road surface.
The preparation method's of the above-mentioned urethanes particle mixture that opens ice from stress for the road surface preparation method; described waste and old rubber particle is comprised of three parts; a part is the scrap tire rubber particle; the mass ratio that accounts for the waste and old rubber particle total amount is 65%; a part is waste tape; the scrap rubber pipe; the rubber grain of scrap rubber footwear and other waste rubber product; the mass ratio that accounts for the waste and old rubber particle total amount is 10%～20%; a part is the leftover bits that produce in the rubber item production process and the rubber grain of scrap products, and the mass ratio that accounts for the waste and old rubber particle total amount is 5%～10%.
Embodiment 2
The first step, preparation two component polyurethane glue
I. the preparation of first component
The raw material of preparation first component is as shown in the table,
| Starting material | Pure MDI | Liquefied mdi | Polyether-tribasic alcohol |
| Quality is divided | 95 | 5 | 80 |
MDI in the above-mentioned table is the abbreviation of diphenylmethanediisocyanate, and is lower same,
With polyether-tribasic alcohol 105 ℃ and vacuum tightness be under the condition of 0.08MPa dehydration 1 hour to constant weight, be cooled to 45 ℃ after, then add the pure MDI and the liquefied mdi that measure of fusing, 78 ℃ of reactions 2.5 hours, the NCO content of analyzing performed polymer reaches 12% and namely meets the demands, and gets thus the first component
II. the preparation of second component
The raw material of preparation second component is as shown in the table,
Composite polyethers in the above-mentioned table is in mass ratio, the trihydroxy-polyethers: polyether diols=1.5: 1 is regulated and is made,
Composite polyethers and chainextender are mixed by prescription, be heated to 110 ℃, be under the condition of 0.08MPa degassed 1 hour in vacuum tightness, be cooled to the chainextender MOCA that adds formula ratio after 80 ℃, plasticizer phthalic acid ester, filler potter's clay, the pigment red iron oxide, the UV light absorber white carbon black, water-retaining agent BF-5 dewatering agent, antioxidant 1010, catalyzer is that mass ratio is 4: 1 isooctoate of rare earth metal and the mixture of Phenylmercuric Acetate, fire retardant stannous octoate and anti-aging agent 2,6-di-t-butyl 4-methylphenol, stir, then grind 2 times at colloidal mill, be controlled at below the 35 μ m to fineness, and it is under the condition of 0.08MPa degassed 0.5 hour in vacuum tightness again, make thus the second component, seal up for safekeeping stand-by;
Second step, the design level proportioning of the consumption of used component materials example is as shown in the table in the compound,
| The feed composition title | The mass percent ratio |
| The 2mm waste and old rubber particle | 16% |
| 16 order waste and old rubber particles | 9% |
| The 13mm rubble | 25% |
| The |
24% |
| The |
20% |
| Breeze | 6% |
| Two component polyurethane glue | Glue stone is than 12% |
Glue stone in the above-mentioned table is than the used ratio of removing the total mass of other all materials outside the two component polyurethane glue in the configuration that refers to two component polyurethane glue quality and compound;
The 3rd step, the preparation method of the urethanes particle mixture that opens ice from stress for the preparation of the road surface
Mass percent by listed material in the above-mentioned table takes by weighing various materials, and prepares in the steps below,
(1) takes by weighing 13mm rubble, 7mm rubble and the 2mm rubble of aequum in the listed ratio of above-mentioned table, place first 105 ± 5 ℃ baking oven to dry to constant weight, then at room temperature 6 hours, at last above-mentioned rubble material is all put into and mixed and stirred pot and at room temperature stirred for 60 seconds, the breeze that takes by weighing aequum in the listed ratio of table 3 simultaneously place separately 105 ± 5 ℃ baking oven dry to constant weight in order to below (4) step use
(2) take by weighing 2mm waste and old rubber particle and the 16 order waste and old rubber particles of aequum in the listed ratio of table 3, place first 60 ℃ baking oven to dry to constant weight, at room temperature place cooling, add at last the mixing and stirring in the pot of above-mentioned (1), at room temperature the material in (1) stirred for 60 seconds
The first and second two kinds of components in the two component polyurethane glue that (3) will be made by the first step, first component in mass ratio: the ratio modulation glue of second component=5: 1, should add first the second component during modulation, add again the first component, then stir and namely obtain the two component polyurethane glue that modulates 120 seconds, this the two component polyurethane glue that modulates that takes by weighing aequum in the listed ratio of table 3 adds mixing and stirring in the pot of above-mentioned (2), at room temperature 120 seconds of mix
(4) breeze for subsequent use in above-mentioned (1) step is added mixing and stirring to stir in the pot and mixing and stirring of above-mentioned (3), the time was 60 seconds, finally made the preparation method of the urethanes particle mixture that opens ice from stress for the road surface.
The preparation method's of the above-mentioned urethanes particle mixture that opens ice from stress for the road surface preparation method; described waste and old rubber particle is comprised of three parts; a part is the scrap tire rubber particle; the mass ratio that accounts for the waste and old rubber particle total amount is 65%; a part is waste tape; the scrap rubber pipe; the rubber grain of scrap rubber footwear and other waste rubber product; the mass ratio that accounts for the waste and old rubber particle total amount is 10%～20%; a part is the leftover bits that produce in the rubber item production process and the rubber grain of scrap products, and the mass ratio that accounts for the waste and old rubber particle total amount is 5%～10%.
Embodiment 3
The first step, preparation two component polyurethane glue
I. the preparation of first component
The raw material of preparation first component is as shown in the table,
| Starting material | Pure MDI | Liquefied mdi | Polyether Glycols |
| Quality is divided | 95 | 5 | 100 |
MDI in the above-mentioned table is the abbreviation of diphenylmethanediisocyanate, and is lower same,
With polyether Glycols 110 ℃ and vacuum tightness be under the condition of 0.08MPa dehydration 1 hour to constant weight, be cooled to 50 ℃ after, then add the pure MDI and the liquefied mdi that measure of fusing, 80 ℃ of reactions 3 hours, the NCO content of analyzing performed polymer reaches 12% and namely meets the demands, and gets thus the first component
II. the preparation of second component
The raw material of preparation second component is as shown in the table,
Composite polyethers in the above-mentioned table is in mass ratio, the trihydroxy-polyethers: polyether diols=1.5: 1 is regulated and is made,
Composite polyethers and chainextender are mixed by prescription, be heated to 110 ℃, be under the condition of 0.08MPa degassed 1 hour in vacuum tightness, be cooled to the chainextender MOCA that adds formula ratio after 80 ℃, plasticizer phthalic acid ester, filler potter's clay, the pigment red iron oxide, the UV light absorber white carbon black, water-retaining agent BF-5 dewatering agent, antioxidant 1010, catalyzer is that mass ratio is 4: 1 isooctoate of rare earth metal and the mixture of Phenylmercuric Acetate, fire retardant stannous octoate and anti-aging agent 2, the 6-di-tert-butyl-4-methy phenol, stir, then grind 2 times at colloidal mill, be controlled at below the 35 μ m to fineness, and it is under the condition of 0.08MPa degassed 0.5 hour in vacuum tightness again, make thus the second component, seal up for safekeeping stand-by;
Second step, the design level proportioning of the consumption of used component materials example is as shown in the table in the compound,
| The feed composition title | The mass percent ratio |
| The 4mm waste and old rubber particle | 16% |
| 16 order waste and old rubber particles | 9% |
| The 15mm rubble | 25% |
| The |
24% |
| The |
20% |
| Breeze | 6% |
| Two component polyurethane glue | Glue stone is than 15% |
Glue stone in the above-mentioned table is than the used ratio of removing the total mass of other all materials outside the two component polyurethane glue in the configuration that refers to two component polyurethane glue quality and compound;
The 3rd step, the preparation method of the urethanes particle mixture that opens ice from stress for the preparation of the road surface
Mass percent by listed material in the above-mentioned table takes by weighing various materials, and prepares in the steps below,
(1) takes by weighing 15mm rubble, 10mm rubble and the 4mm rubble of aequum in the listed ratio of table 3, place first 105 ± 5 ℃ baking oven to dry to constant weight, then at room temperature 6 hours, at last above-mentioned rubble material is all put into and mixed and stirred pot and at room temperature stirred for 60 seconds, the breeze that takes by weighing aequum in the listed ratio of table 3 simultaneously place separately 105 ± 5 ℃ baking oven dry to constant weight in order to below (4) step use
(2) take by weighing 4mm waste and old rubber particle and the 16 order waste and old rubber particles of aequum in the listed ratio of table 3, place first 45 ℃ baking oven to dry to constant weight, at room temperature place cooling, add at last the mixing and stirring in the pot of above-mentioned (1), at room temperature the material in (1) stirred for 60 seconds
The first and second two kinds of components in the two component polyurethane glue that (3) will be made by the first step, first component in mass ratio: the ratio modulation glue of second component=5: 1, should add first the second component during modulation, add again the first component, then stir and namely obtain the two component polyurethane glue that modulates 120 seconds, this the two component polyurethane glue that modulates that takes by weighing aequum in the listed ratio of table 3 adds mixing and stirring in the pot of above-mentioned (2), at room temperature 120 seconds of mix
(4) breeze for subsequent use in above-mentioned (1) step is added mixing and stirring to stir in the pot and mixing and stirring of above-mentioned (3), the time was 60 seconds, finally made the preparation method of the urethanes particle mixture that opens ice from stress for the road surface.
The preparation method's of the above-mentioned urethanes particle mixture that opens ice from stress for the road surface preparation method; described waste and old rubber particle is comprised of three parts; a part is the scrap tire rubber particle; the mass ratio that accounts for the waste and old rubber particle total amount is 65%; a part is waste tape; the scrap rubber pipe; the rubber grain of scrap rubber footwear and other waste rubber product; the mass ratio that accounts for the waste and old rubber particle total amount is 10%～20%; a part is the leftover bits that produce in the rubber item production process and the rubber grain of scrap products, and the mass ratio that accounts for the waste and old rubber particle total amount is 5%～10%.
Embodiment 4
The road surface of mating formation is inlayed in the preparation method's test block that adopt to be used for the urethanes particle mixture that opens ice from stress on the road surface, and implementation method is as follows:
The first step, construction lofting
At first remove and treat causeway road foreign material, cleaning ponding makes path formation dry.The road pavement scheme is seen accompanying drawing 4, and plot plan is 18cm for each right cylinder block rubber outer ledge lateral separation, and longitudinal interval is 24cm.Then carry out the road construction setting-out according to the scheme size of mating formation.Certain attention road evenness is guaranteed the construction point accurately during construction lofting, is convenient to next step construction.
Second step: machine is got into the cave
According to the construction point that the first step is determined, the removal waste material of accurately getting into the cave.Will carry out careful and accurately drill through cylindrical cavity in strict accordance with the scheme degree of depth during construction, select the different hole degree of depth according to surface layer thickness, the degree of depth of hole be 4cm～5cm, and the hole radius is 5cm.Should clear up rapidly waste material in the construction hole after getting into the cave, foreign in the hole of guaranteeing to construct without ponding, guarantees the drying in construction hole, and is clean and tidy.
In the 3rd step, produce the preparation method of the urethanes particle mixture that opens ice from stress for the road surface
The preparation method of the urethanes particle mixture that opens ice from stress for the preparation of the road surface by embodiment 1, embodiment 2 or embodiment 3; must note observing the phenomenons such as the segregation that mixes in the transportation, conglomeration in the transportation of compound; suitably adjust the mixing ratio of above-mentioned compound according to concrete phenomenon, guarantee quality and the construction workability of compound.
In the 4th step, the preparation method that will be used for the urethanes particle mixture that opens ice from stress on the road surface pours into also compacting and the levelling of construction hole
The construction hole wall that suitably second step is drilled through before construction is smeared one deck two component polyurethane glue; thereby be conducive to compound and original path and closely connect into an integral body; reduce the possibility that moisture infiltrates; the preparation method of the urethanes particle mixture that being used for of will being transported to then that the 3rd step of working-yard produces opens ice from stress on the road surface pours into the construction hole; the above-mentioned compound that pours into should be slightly more than the amount of actual needs, adopts machinery to vibrate or compaction moulding that the mode of hydrostatic profile is carried out compound is that 5cm and disc radius are the right cylinder of 5cm for as shown in Figure 3 height.
The 5th step, the preparation method's of the unnecessary urethanes particle mixture that opens ice from stress for the road surface in surface recovery
The surface unnecessary for the road surface from the preparation method's of the urethanes particle mixture that stress opens ice recovery be with compacting after outside the construction hole unnecessary compound in time clean out, prevent that compound is bonded in the road surface, original path planeness aspect is caused damage.
The 6th step, the exploitation traffic
Inlaying mats formation finish after, be higher than at temperature on average under 15 ℃ the condition, just but through 24 hours maintenance open to traffic, if but the lower proper extension curing time of temperature or the temperature that suitably improves compound form sufficient intensity to guarantee polyurethane adhesive.
Embodiment 5
The preparation method who adopt to be used for the urethanes particle mixture that opens ice from stress on the road surface directly carries out surfacing; draft the laying of roadway structure as shown in Figure 5; the pavement structure that adopts is respectively: subbase is following to be soil matrix; subbase 20cm; semi-rigid type base 20cm; pitch the Sub 8cm, upper layer are the waste and old rubber grain compound of urethane 4cm.Implementation method is as follows:
The first step is produced the preparation method of the urethanes particle mixture that opens ice from stress for the road surface
The preparation method of the urethanes particle mixture that opens ice from stress for the preparation of the road surface by embodiment 1, embodiment 2 or embodiment 3; must note observing the phenomenons such as the segregation that mixes in the transportation, conglomeration in the transportation of compound; suitably adjust the mixing ratio of above-mentioned compound according to concrete phenomenon, guarantee quality and the construction workability of compound.
Second step, the paving of compound
The preparation method of the urethanes particle mixture that the first step being used for of preparing opened ice from stress on the road surface is transported to the working-yard, paves, and this operation is noted as follows:
(1) pave continuously for guaranteeing, must have transport trolley more than 5 to wait before the paver and just can carry out paving operation;
(2) because the viscosity of above-mentioned compound is larger, therefore should control the travelling speed of paver when paving, should control the speed of paving, and the speed adjustment should be steady, suddenly acceleration and deceleration avoid forming mass defect;
(3) coefficient of loose laying is measured by section of every 20m, and each section is surveyed and established 5 points, respectively fixed point measure pave front, pave after, the absolute altitude after the compacting;
(4) before the compacting, the workmen does not try not to enter and tramples the compound after paving.
The 3rd step, the compacting of compound
Because two component polyurethane glue itself has certain cohesiveness; and roll finish after the road surface have to a certain degree resilience; therefore should adopt static pressure type or oscillatory type Steel Roller; and should smear a little separant at steel wheel, with the sticking wheel of preparation method of the urethanes particle mixture that reduce to be used for opening ice from stress on the road surface.Its compaction technology and plain asphalt compound are basic identical, and certain adjustment need to be arranged.
Raw material used among above-mentioned all embodiment is all by being purchased or other known approach acquisitions, and related technique all is that those skilled in the art know also and can grasp.
Claims (3)
1. be used for the preparation method of the urethanes particle mixture that opens ice from stress on the road surface, it is characterized in that step is as follows:
The first step, preparation two component polyurethane glue
I. the preparation of first component
The raw material of preparation first component is shown in the table 1,
The composition of raw materials of table 1. preparation first component
MDI in the above-mentioned table is the abbreviation of diphenylmethanediisocyanate, and is lower same,
With polyether Glycols or polyether-tribasic alcohol 100～110 ℃ and vacuum tightness be under the condition of 0.08MPa dehydration 1 hour to constant weight, after being cooled to 40 ℃～50 ℃, then the pure MDI and the liquefied mdi that measure that add fusing, 75 ℃～80 ℃ reactions 2～3 hours, the NCO content of analyzing performed polymer reaches 12% and namely meets the demands, get thus the first component
II. the preparation of second component
The raw material of preparation second component is shown in the table 2,
The composition of raw materials of table 2. preparation second component
Composite polyethers in the above-mentioned table is in mass ratio, the trihydroxy-polyethers: polyether diols=1.5: 1 is regulated and is made, composite polyethers and chainextender are mixed by prescription, be heated to 110 ℃, be under the condition of 0.08MPa degassed 1 hour in vacuum tightness, be cooled to the chainextender that adds formula ratio after 80 ℃, softening agent, filler, pigment, UV light absorber, water-retaining agent, oxidation inhibitor, catalyzer, fire retardant and anti-aging agent, stir, then grind 2 times at colloidal mill, be controlled at below the 35 μ m to fineness, and be under the condition of 0.08MPa degassed 0.5 hour in vacuum tightness again, make thus the second component, seal up for safekeeping stand-by;
Second step, the design level proportioning of the consumption of used component materials example in the compound
Table 3 has been listed the design level proportioning example of the consumption of used component materials in the compound,
Used material in the configuration of table 3. compound
Glue stone in the table 3 is than the used ratio of removing the total mass of other all materials outside the two component polyurethane glue in the configuration that refers to two component polyurethane glue quality and compound;
The 3rd step, the preparation method of the urethanes particle mixture that opens ice from stress for the preparation of the road surface
Mass percent by listed material in the table 3 takes by weighing various materials, and prepares in the steps below,
(1) in the listed ratio of table 3 take by weighing aequum 11～15mm rubble, 5～10mm rubble and＜the 5mm rubble, place first 105 ± 5 ℃ baking oven to dry to constant weight, then at room temperature 6 hours, at last above-mentioned rubble material is all put into and mixed and stirred pot and at room temperature stirred for 60 seconds, the breeze that takes by weighing aequum in the listed ratio of table 3 simultaneously place separately 105 ± 5 ℃ baking oven dry to constant weight in order to below (4) step use
(2) take by weighing 1～4mm waste and old rubber particle and the 16 order waste and old rubber particles of aequum in the listed ratio of table 3, place first 60 ℃ baking oven to dry to constant weight, at room temperature place cooling, add at last the mixing and stirring in the pot of above-mentioned (1), at room temperature the material in (1) stirred for 60 seconds
The first and second two kinds of components in the two component polyurethane glue that (3) will be made by the first step, first component in mass ratio: the ratio modulation glue of second component=5: 1, should add first the second component during modulation, add again the first component, then stir and namely obtain the two component polyurethane glue that modulates 120 seconds, this the two component polyurethane glue that modulates that takes by weighing aequum in the listed ratio of table 3 adds mixing and stirring in the pot of above-mentioned (2), at room temperature 120 seconds of mix
(4) breeze for subsequent use in above-mentioned (1) step is added mixing and stirring to stir in the pot and mixing and stirring of above-mentioned (3), the time was 60 seconds, finally made the urethanes particle mixture that opens ice from stress for the road surface.
2. the preparation method's of the said urethanes particle mixture that opens ice from stress for the road surface preparation method according to claim 1; it is characterized in that: described waste and old rubber particle is comprised of three parts; a part is the scrap tire rubber particle; the mass ratio that accounts for the waste and old rubber particle total amount is 60%～70%; a part is waste tape; the scrap rubber pipe; the rubber grain of scrap rubber footwear and other waste rubber product; the mass ratio that accounts for the waste and old rubber particle total amount is 10%～20%; a part is the leftover bits that produce in the rubber item production process and the rubber grain of scrap products, and the mass ratio that accounts for the waste and old rubber particle total amount is 5%～10%.
3. the preparation method's of the said urethanes particle mixture that opens ice from stress for the road surface preparation method according to claim 1; it is characterized in that: described chainextender is MOCA; namely 3,3'-dichloro-4,4,4 '-diaminodiphenyl-methane or two adjacent chlorodiphenyl amine methane.Described softening agent is phthalic ester; Described filler is potter's clay; Described pigment is red iron oxide; Described UV light absorber is white carbon black; Described water-retaining agent is the BF-5 dewatering agent, i.e. simple function group active isocyanate compound; Described oxidation inhibitor is 1010, i.e. four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester; Described catalyzer is that mass ratio is 4: 1 isooctoate of rare earth metal and the mixture of Phenylmercuric Acetate; Described fire retardant is stannous octoate; Described anti-aging agent is 2,6 di tert butyl 4 methyl phenol.
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| CN105585271A (en) * | 2014-10-22 | 2016-05-18 | 中国石油化工股份有限公司 | Additive for improving water stability of asphalt mixture and application method thereof |
| CN105801002A (en) * | 2016-03-31 | 2016-07-27 | 北京大陆益通环保科技有限公司 | Polyurethane rubber concrete material and processing method thereof |
| CN109056447A (en) * | 2018-09-13 | 2018-12-21 | 中交第公路勘察设计研究院有限公司 | From ice-breaking paving layer material and its construction method |
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| CN105585271A (en) * | 2014-10-22 | 2016-05-18 | 中国石油化工股份有限公司 | Additive for improving water stability of asphalt mixture and application method thereof |
| CN105585271B (en) * | 2014-10-22 | 2017-07-28 | 中国石油化工股份有限公司 | A kind of additive and its application process for improving stability of asphalt mixture |
| CN105801002A (en) * | 2016-03-31 | 2016-07-27 | 北京大陆益通环保科技有限公司 | Polyurethane rubber concrete material and processing method thereof |
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| CN109056447A (en) * | 2018-09-13 | 2018-12-21 | 中交第公路勘察设计研究院有限公司 | From ice-breaking paving layer material and its construction method |
| CN109056447B (en) * | 2018-09-13 | 2021-05-25 | 中交第一公路勘察设计研究院有限公司 | Self-icebreaking pavement paving layer material and construction method thereof |
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| CN114773833A (en) * | 2022-03-31 | 2022-07-22 | 长安大学 | Polyurethane urea-rubber composite grouting material for ice suppression/ice breaking of grooved pavement and preparation method thereof |
| CN116577160A (en) * | 2023-02-20 | 2023-08-11 | 山东省交通科学研究院 | Indoor forming method of single-component polyurethane mixture |
| CN116577160B (en) * | 2023-02-20 | 2024-03-19 | 山东省交通科学研究院 | Indoor forming method of single-component polyurethane mixture |
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