CN104403334A - Anti-rut agent and asphalt mixture - Google Patents
Anti-rut agent and asphalt mixture Download PDFInfo
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- CN104403334A CN104403334A CN201410656307.7A CN201410656307A CN104403334A CN 104403334 A CN104403334 A CN 104403334A CN 201410656307 A CN201410656307 A CN 201410656307A CN 104403334 A CN104403334 A CN 104403334A
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- rut agent
- asphalt
- filler
- polyethylene
- rut
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Abstract
The invention relates to an anti-rut agent which comprises polyethylene and/or polypropylene with a melting point of 80-60 DEG C, single fatty acid sorbitan ester and a filler, wherein the filler accounts for 10-15 percent of the total mass of the anti-rut agent. The anti-rut agent has the benefits that by the use of the polyethylene or a surfactant and through coating the filler, the filler becomes an active point of a polymer network; and polyolefin is catalyzed and prompted to from a network cross-linked structure with asphalt, so that rutting generated when the asphalt is influenced by a vehicle is reduced; during high-temperature preparation, through the coated filler, the viscosity of the asphalt is reduced.
Description
Technical field
The present invention relates to anti-rut agent, also relate to the asphalt containing this anti-rut agent, be specifically related to IPC classification number C08L95/00.
Background technology
In the laying on motorway or parking lot, goods yard, walkway etc., owing to laying than being easier to, and short from the time of laying operation to communications and transportation starts, so mostly carried out the asphalt paving of use asphalt mixture.This asphalt paving by utilize pitch combine gather materials formed asphalt mixture carry out road surface pavement, there is good hardness and weather resistance.
But the bottom pitch of bituminous pavement is without modification, and Rut resistance is not high.
Summary of the invention
In order to solve the problems of the technologies described above, first aspect, the invention provides a kind of anti-rut agent, is polyethylene and/or the polypropylene of 80-160 degree Celsius by fusing point, mono fatty acid sorbitan ester and filler composition, described filler choosing accounts for the 10-15% of anti-rut agent total mass.
Anti-rut agent according to first aspect, described polyethylene and/or polypropylene account for the 75-85% of anti-rut agent total mass.
Anti-rut agent according to first aspect, described polyethylene and polyacrylic mass ratio are 2-3:1.
Anti-rut agent according to first aspect, described fatty acid loss water sorbit ester accounts for the 0.5-10% of anti-rut agent total mass.
Anti-rut agent according to first aspect, described filler is selected from one or more in calcium carbonate, silicon-dioxide, titanium dioxide.
Anti-rut agent according to first aspect, described filler is titanium dioxide.
Second aspect, the invention provides the preparation method of anti-rut agent, comprises the following steps:
The anti-rut agent of first aspect is provided;
By polyethylene and/or polypropylene, mono fatty acid sorbitan ester and filler are warming up to 140-160 degree Celsius, abundant blending dispersion, make polyethylene and/or polypropylene, the coated filler of mono fatty acid sorbitan ester, obtain anti-rut agent.
The third aspect, the invention provides asphalt, comprises the anti-rut agent of first aspect.
Asphalt according to the third aspect, described anti-rut agent accounts for the 0.1%-1% of asphalt total mass.
The fusing point of the anti-rut agent prepared is between 120-150 degree Celsius.Between preferred 130-140 degree Celsius.By using polyolefine and tensio-active agent, coated filler, makes filler become the active site of polymer network, catalysed promoted polyolefine and pitch form network cross-linked structure, there is rut in the impact that minimizing pitch is subject to vehicle, when prepared by high temperature, coated filler reduces the viscosity of pitch.
Embodiment
Anti-rut agent is polyethylene and/or the polypropylene of 80-160 degree Celsius by fusing point, and mono fatty acid sorbitan ester and filler composition, described filler accounts for the 10-15% of anti-rut agent total mass.
By using polyolefine and tensio-active agent, coated filler, makes filler become the active site of polymer network, catalysed promoted polyolefine and pitch form network cross-linked structure, there is rut in the impact that minimizing pitch is subject to vehicle, when prepared by high temperature, coated filler reduces the viscosity of pitch.
As a kind of preferred embodiment, the olefin unit of other interpolymer compositions that polypropylene of the present invention can contain, can select the monomeric unit with suitable alkene double bond from such as ethene, butylene, amylene, hexene, octene, decene, cyclobutene, tetrahydrobenzene and their derivative.Wherein, the monoolefine monomers such as optimal ethylene, butylene, amylene, hexene, octene, more preferably ethene or butylene.
As a kind of preferred embodiment, polyethylene of the present invention can enumerate high density polyethylene(HDPE) system resin, medium-density polyethylene system resin, Low Density Polyethylene system resin, straight-chain Low Density Polyethylene system resin etc.
In addition, also the resin fusion of mutually different for multiple density straight-chain Low Density Polyethylene system can be used.
Further, also in straight-chain Low Density Polyethylene system resin, fusion more than one the resin be selected from the group be made up of high density polyethylene(HDPE) system resin, medium-density polyethylene system resin and Low Density Polyethylene system resin can be used.
As straight-chain Low Density Polyethylene system used in the present invention resin, such as more preferably fusing point is more than 115 DEG C, less than 130 DEG C, density is more than 0.915g/cm3, below 0.940g/cm3, and melting index is more than 0.1g/10 minute, the resin of below 5g/10 minute.Melting index is according to ASTM D1238, the value recorded under temperature 190 DEG C, load 2.16kg.
Straight-chain Low Density Polyethylene system used in the present invention resin can containing except ethene can with the comonomer of ethylene copolymer.As can with the comonomer of ethylene copolymer, can use carbon number be more than 4, less than 18 alpha-olefin, such as can enumerate 1-butylene, 1-amylene, 1-hexene, 3,3-dimethyl-1-butylene, 4-methyl-1-pentene, 4,4-dimethyl-1-amylenes, 1-octene etc.These comonomers can only be used, or two or more may be used.
As Low Density Polyethylene system used in the present invention resin, such as more preferably fusing point is more than 100 DEG C, less than 120 DEG C, density is more than 0.910g/cm3, below 0.930g/cm3, and melting index is more than 0.1g/10 minute, the resin of below 100g/10 minute.According to ASTM D1238, the value recorded under temperature 190 DEG C, load 2.16kg.
Low Density Polyethylene system used in the present invention resin can containing except ethene can with the comonomer of ethylene copolymer.As can with the comonomer of ethylene copolymer, can use carbon number be more than 4, less than 18 alpha-olefin, such as can enumerate 1-butylene, 1-amylene, 1-hexene, 3,3-dimethyl-1-butylene, 4-methyl-1-pentene, 4,4-dimethyl-1-amylenes, 1-octene etc.These comonomers can only be used, or two or more may be used.
Anti-rut agent according to first aspect, described polyethylene and/or polypropylene account for the 75-85% of anti-rut agent total mass.Particularly, account for anti-rut agent total mass 75%, 76%, 77%, 78%, 79%, 80%, 81%, 82%, 83%, 84%, 85% can be selected.Higher than 85%, then filler very little, abundant active node cannot be formed, abundant elastomeric network cannot be formed, and being less than 75%, then the absorption between filler is strengthened, and the point of contact of pitch and filler increases simultaneously, the formation of influence elastane network, bituminous pavement is more vulnerable to the impact of gasoline etc. and ftractures.
Anti-rut agent according to first aspect, described polyethylene and polyacrylic mass ratio are 2-3:1.Particularly, as 2:1,2.2:1,2.4:1,2.8:1,2.6:1,3:1.Researchist of the present invention is found by a large amount of experiments, and polypropylene and polyethylene are worked in coordination, and can obtain better modified effect.Its possible reason is that poly fusing point is lower, and polypropylene fusing point is higher, and molecular chain has certain rigidity, and the molecule segment of rigidity is advantageously in improving filler in effect of the present invention.
Anti-rut agent according to first aspect, described mono fatty acid sorbitan ester accounts for the 0.5-10% of anti-rut agent total mass.Particularly, 0.5% of anti-rut agent total mass, 0.6%, 0.8%, 1%, 1.2%, 1.5%, 1.8%, 2%, 2.2%, 2.5%, 2.8%, 3% is accounted for.Fatty acid loss water sorbit ester can adsorb or complexing at filling surface, simultaneously long-chain-segment lipid acid can with polyethylene polypropylene have well be wound around compatible, the covered effect of polyethylene polypropylene can be improved, under the high temperature of asphalt modification and use, can also keep well coated, suppress pitch on the impact of filler, keep the Stability Analysis of Structures of properties-correcting agent.The present inventor, through a large amount of experiments, selects fatty acid loss water sorbit ester to be conducive to realizing object of the present invention.
As a kind of preferred embodiment, of the present invention can preferred unsaturated mono fatty acid sorbitan ester, as oleic acid Sorbitan acid alcohol ester, linolic acid Sorbitan acid alcohol ester.Unsaturated double-bond occurs crosslinked in the preparation process of high temperature with polypropylene-polyethylene, maintain the Stability Analysis of Structures of properties-correcting agent further.
Anti-rut agent according to first aspect, described filler is selected from one or more in calcium carbonate, silicon-dioxide, titanium dioxide.As active node, researchist of the present invention finds that titanium dioxide has better effect as active node.Anti-rut agent according to first aspect, described filler is titanium dioxide.
Second aspect, the invention provides the preparation method of anti-rut agent, comprises the following steps:
The anti-rut agent of first aspect is provided;
By polyethylene and/or polypropylene, mono fatty acid sorbitan ester and filler are warming up to 140-160 degree Celsius, abundant blending dispersion, make polyethylene and/or polypropylene, the coated filler of mono fatty acid sorbitan ester, obtain anti-rut agent.
Particularly; the method of forcing machine granulation can be adopted to prepare anti-rut agent; prepare anti-rut agent of the present invention; its concrete steps are: each composition is even 140-160 DEG C of down cut ground and mixed by weight proportion; by twin screw extruder extruding pelletization; by dicing machine pelletizing, obtain anti-rut agent.
The third aspect, the invention provides asphalt, comprises the anti-rut agent of first aspect.
Asphalt according to the third aspect, described anti-rut agent accounts for the 0.1%-1% of asphalt total mass.
The preparation method of asphalt, comprises the following steps:
Pitch is provided, gather materials and and claim 1-6 in anti-rut agent described in any one claim;
Asphalt is warming up to 150-200 degree Celsius, obtains asphalt.
Evaluation method:
Penetration degree, 25 degrees Celsius, 100g, 5s, unit 0.1mm, test method: T0604-2011.
60 degrees Celsius of kinetic viscosities, unit PaS, test method: T0620-2000.
135 degrees Celsius of kinematic viscosity, unit 10
4paS, test method: T0625-2011.
Embodiment 1
Anti-rut agent, by weight percentage, its raw material consists of: 50 parts, polyethylene waste, polypropylene waste gurry 35 parts, nano-calcium carbonate 12 parts, mono stearic acid dehydration sorbitol ester 3 parts.The concrete preparation method of anti-rut agent is: said components is even 170 DEG C of down cut ground and mixed by weight proportion, by twin screw extruder extruding pelletization, by dicing machine pelletizing, obtains anti-rut agent.With above-mentioned obtained anti-rut agent, pitch and gather materials for raw material, obtained asphalt: the limestone that will gather materials is heated to 190 degrees Celsius, add aforementioned obtained anti-rut agent, stir 5-6 second, spray into that bitumen A C-20(consumption is asphalt 7%), stir 10-20 second, obtain asphalt.Anti-rut agent consumption is 0.4% of asphalt.
Embodiment 2
Anti-rut agent, by weight percentage, its raw material consists of: 60 parts, polyethylene waste, polypropylene waste gurry 20 parts, nano titanium oxide 15 parts, mono stearic acid dehydration sorbitol ester 5 parts.The concrete preparation method of anti-rut agent is: said components is even 170 DEG C of down cut ground and mixed by weight proportion, by twin screw extruder extruding pelletization, by dicing machine pelletizing, obtains anti-rut agent.With above-mentioned obtained anti-rut agent, pitch and gather materials for raw material, obtained asphalt: the limestone that will gather materials is heated to 190 degrees Celsius, add aforementioned obtained anti-rut agent, stir 5-6 second, spray into that bitumen A C-20(consumption is asphalt 7%), stir 10-20 second, obtain asphalt.Anti-rut agent consumption is 0.2% of asphalt.
Embodiment 3
Anti-rut agent, by weight percentage, its raw material consists of: 60 parts, polyethylene waste, polypropylene waste gurry 25 parts, aerosil 10 parts, mono stearic acid dehydration sorbitol ester 5 parts.The concrete preparation method of anti-rut agent is: said components is even 170 DEG C of down cut ground and mixed by weight proportion, by twin screw extruder extruding pelletization, by dicing machine pelletizing, obtains anti-rut agent.With above-mentioned obtained anti-rut agent, pitch and gather materials for raw material, obtained asphalt: the limestone that will gather materials is heated to 190 degrees Celsius, add aforementioned obtained anti-rut agent, stir 5-6 second, spray into that bitumen A C-20(consumption is asphalt 7%), stir 10-20 second, obtain asphalt.Anti-rut agent consumption is 0.8% of asphalt.
Embodiment 4
Anti-rut agent, by weight percentage, its raw material consists of: polyethylene 60 parts, polipropene 25 part, nano-calcium carbonate 10 parts, single fatty acid sorbitan ester 5 parts.The concrete preparation method of anti-rut agent is: said components is even 170 DEG C of down cut ground and mixed by weight proportion, by twin screw extruder extruding pelletization, by dicing machine pelletizing, obtains anti-rut agent.With above-mentioned obtained anti-rut agent, pitch and gather materials for raw material, obtained asphalt: the limestone that will gather materials is heated to 190 degrees Celsius, add aforementioned obtained anti-rut agent, stir 5-6 second, spray into that bitumen A C-20(consumption is asphalt 7%), stir 10-20 second, obtain asphalt.Anti-rut agent consumption is 0.4% of asphalt.
Embodiment 5
Anti-rut agent, by weight percentage, its raw material consists of: 60 parts, polyethylene waste, polypropylene waste gurry 25 parts, nano-calcium carbonate 12 parts, single sub-fatty acid sorbitan ester 3 parts.The concrete preparation method of anti-rut agent is: said components is even 170 DEG C of down cut ground and mixed by weight proportion, by twin screw extruder extruding pelletization, by dicing machine pelletizing, obtains anti-rut agent.With above-mentioned obtained anti-rut agent, pitch and gather materials for raw material, obtained asphalt: the limestone that will gather materials is heated to 190 degrees Celsius, add aforementioned obtained anti-rut agent, stir 5-6 second, spray into that bitumen A C-20(consumption is asphalt 7%), stir 10-20 second, obtain asphalt.Anti-rut agent consumption is 0.4% of asphalt.
Comparative example 1
Anti-rut agent, by weight percentage, its raw material consists of: 70 parts, polyethylene waste, nano-calcium carbonate 30 parts, mono stearic acid dehydration sorbitol ester 2 parts.The concrete preparation method of anti-rut agent is: said components is even 170 DEG C of down cut ground and mixed by weight proportion, by twin screw extruder extruding pelletization, by dicing machine pelletizing, obtains anti-rut agent.With above-mentioned obtained anti-rut agent, pitch and gather materials for raw material, obtained asphalt: the limestone that will gather materials is heated to 190 degrees Celsius, add aforementioned obtained anti-rut agent, stir 5-6 second, spray into that bitumen A C-20(consumption is asphalt 7%), stir 10-20 second, obtain asphalt.
Comparative example 2
With pitch and gather materials for raw material, obtained asphalt: the limestone that will gather materials is heated to 190 degrees Celsius, adds aforementioned obtained anti-rut agent, stir 5-6 second, spray into that bitumen A C-20(consumption is asphalt 7%), stir 10-20 second, obtain asphalt.
Embodiment 1-5, the performance of comparative example is as follows.
。
Claims (10)
1. anti-rut agent, by polyethylene and/or polypropylene, mono fatty acid sorbitan ester and filler composition, described polyethylene, polypropylene fusing point are 80-160 degree Celsius, and the quality of described filler is the 10-15% of anti-rut agent total mass.
2. anti-rut agent according to claim 1, described polyethylene and/or polyacrylic quality are the 75-85% of anti-rut agent total mass.
3. anti-rut agent according to claim 1, described polyethylene and polyacrylic mass ratio are 2-3:1.
4. anti-rut agent according to claim 1, the quality of described fatty acid loss water sorbit ester is the 0.5-10% of anti-rut agent total mass.
5. anti-rut agent according to claim 1, described filler is selected from one or more in calcium carbonate, silicon-dioxide, titanium dioxide.
6. anti-rut agent according to claim 1, described filler is titanium dioxide.
7. the preparation method of anti-rut agent, comprises the following steps:
Anti-rut agent described in any one claim in claim 1-6 is provided;
By polyethylene and/or polypropylene, mono fatty acid sorbitan ester and filler are warming up to 140-160 degree Celsius, abundant blending dispersion, make polyethylene and/or polypropylene, the coated filler of mono fatty acid sorbitan ester, obtain anti-rut agent.
8. asphalt, comprises the anti-rut agent described in any one claim in claim 1-6.
9. asphalt according to claim 8, described anti-rut agent accounts for the 0.1%-1% of asphalt total mass.
10. the preparation method of asphalt, comprises the following steps:
Pitch is provided, gather materials and and claim 1-6 in anti-rut agent described in any one claim;
Be warming up to 150-200 degree Celsius, obtain asphalt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410656307.7A CN104403334A (en) | 2014-11-18 | 2014-11-18 | Anti-rut agent and asphalt mixture |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410656307.7A CN104403334A (en) | 2014-11-18 | 2014-11-18 | Anti-rut agent and asphalt mixture |
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| CN104403334A true CN104403334A (en) | 2015-03-11 |
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| CN201410656307.7A Pending CN104403334A (en) | 2014-11-18 | 2014-11-18 | Anti-rut agent and asphalt mixture |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105111759A (en) * | 2015-09-24 | 2015-12-02 | 英达热再生有限公司 | Anti-track asphalt and method for preparing same |
| CN105174788A (en) * | 2015-09-25 | 2015-12-23 | 辽宁省交通科学研究院 | Bituminous concrete anti-rut agent and preparation method thereof |
| CN106280505A (en) * | 2016-08-05 | 2017-01-04 | 武汉理工大学 | A kind of polyolefin-based asphalt mixture additive and preparation method thereof |
| CN106587743A (en) * | 2016-12-17 | 2017-04-26 | 牟燕蓉 | Anti-rutting additive used in asphalt pavement material and preparation method thereof |
| CN109266024A (en) * | 2017-07-18 | 2019-01-25 | 大连韵海贸易有限公司 | A kind of bituminous pavement high-modulus rut agent |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030014139A1 (en) * | 2001-06-07 | 2003-01-16 | Masashi Yokomori | NC data management apparatus and method |
| CN1939977A (en) * | 2006-09-20 | 2007-04-04 | 铁道科学研究院金属及化学研究所 | Special emusified asphalt for railway or light underground plated non-fragment rail and its production |
| CN103740119A (en) * | 2014-01-03 | 2014-04-23 | 爱思开沥青（上海）有限公司 | Pre-prepared warm mix modified asphalt and preparation method thereof |
-
2014
- 2014-11-18 CN CN201410656307.7A patent/CN104403334A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030014139A1 (en) * | 2001-06-07 | 2003-01-16 | Masashi Yokomori | NC data management apparatus and method |
| CN1939977A (en) * | 2006-09-20 | 2007-04-04 | 铁道科学研究院金属及化学研究所 | Special emusified asphalt for railway or light underground plated non-fragment rail and its production |
| CN103740119A (en) * | 2014-01-03 | 2014-04-23 | 爱思开沥青（上海）有限公司 | Pre-prepared warm mix modified asphalt and preparation method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105111759A (en) * | 2015-09-24 | 2015-12-02 | 英达热再生有限公司 | Anti-track asphalt and method for preparing same |
| CN105174788A (en) * | 2015-09-25 | 2015-12-23 | 辽宁省交通科学研究院 | Bituminous concrete anti-rut agent and preparation method thereof |
| CN105174788B (en) * | 2015-09-25 | 2017-03-29 | 辽宁省交通科学研究院 | A kind of bituminous concrete anti-rut agent and preparation method thereof |
| CN106280505A (en) * | 2016-08-05 | 2017-01-04 | 武汉理工大学 | A kind of polyolefin-based asphalt mixture additive and preparation method thereof |
| CN106587743A (en) * | 2016-12-17 | 2017-04-26 | 牟燕蓉 | Anti-rutting additive used in asphalt pavement material and preparation method thereof |
| CN109266024A (en) * | 2017-07-18 | 2019-01-25 | 大连韵海贸易有限公司 | A kind of bituminous pavement high-modulus rut agent |
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Application publication date: 20150311 |
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