CN102757653A - Method for making epoxy asphalt mixture - Google Patents
Method for making epoxy asphalt mixture Download PDFInfo
- Publication number
- CN102757653A CN102757653A CN2012100200973A CN201210020097A CN102757653A CN 102757653 A CN102757653 A CN 102757653A CN 2012100200973 A CN2012100200973 A CN 2012100200973A CN 201210020097 A CN201210020097 A CN 201210020097A CN 102757653 A CN102757653 A CN 102757653A
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- asphalt
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- solidifying agent
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- Epoxy Resins (AREA)
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Abstract
Provided is a method for making epoxy asphalt mixture capable of solving the problems of clotting generated by epoxy resin and early curing time resulting from high reactivity of epoxy resin and the curing agent. When the epoxy asphalt mixture is produced, the host crystal and the curing agent shall be respectively packaged. The packaged host agent and the curing agent are put into a bituminous mixture manufacturing machine. The host crystal is made by 100 parts by weight of epoxy resin, 0.5-10 parts by weight of mixed iron oxide pigment, and 4-10 parts by weight of talcum powder relative to epoxide equivalent400-600 and with the melting point below 70 DEG C. The curing agent is 24-36 parts by weight of aliphatic series primary amine with iodine value ranging from 35 to 60.
Description
Technical field
The present invention relates to the novel manufacturing method of the epoxy asphalt mixture in the asphalt plant.
Background technology
In asphalt plant, when making the epoxy asphalt mixture that is mixed by bisphenol A type epoxy resin and solidifying agent, epoxy resin and solidifying agent reaction cause usable time to shorten, and bring difficulty to laying.
Therefore adopt following method: make in asphalt plant and in pitch, drop into the intermediate blend that epoxy resin forms, on-the-spot in laying to this intermediate blend mixed curing agent.(referring to japanese kokai publication sho 55-145749)
In this method, hands such as metering, stirring are many with the chance that resin directly contacts, and existing problems need compound mfr's skilled operation aspect compound mfr's labour safety and hygiene.
In addition, guarantee 3 hours common usable times if make under the temperature (160 ℃) at general compound, then the expression power of initial stage dynamic stability is slow, and the time behind the asphalt compound till the open to traffic is long, can cause the construction stagnation.
For these problems are improved, there is document to propose the method for manufacture of following asphalt:, to use asphalt manufacturing machine will be ground into flaky bisphenol A-type solid epoxy resin and mixes with solidifying agent in asphalt plant.(referring to TOHKEMY 2003-26929)
But; Aspect qualitative control, also there are some problems, are ground in the flaky bisphenol A-type solid epoxy resin, exist in the high resin of fusing point at general compound and make temperature and mixer mixing fused material not under the time; In addition; In low-melting resin, also exist following substances: said material has that temperature reaches more than 20 ℃ and therefore the character of fusing merge in preserving and carrying each other, produces the caking phenomenon that forms bigger piece.
Under the state that forms bigger piece; If this solid epoxy resin is dropped in the compound manufacturing machine; Then not fusion under the mixing time (1～2 minute) of regulation; Therefore must make mixing time is 2～3 times, perhaps take when dropping into, to use hammer etc. to carry out fine means such as pulverizing again, thereby the productivity of compound significantly reduces.
The prior art document
Patent documentation
Patent documentation 1: japanese kokai publication sho 55-145201 number open communique
Patent documentation 2: japanese kokai publication sho 55-145749 number open communique
Patent documentation 3: TOHKEMY 2003-26929 number open communique
Patent documentation 4: TOHKEMY 2003-64156 number open communique
Patent documentation 5: TOHKEMY 2004-92373 number open communique
Summary of the invention
The problem that invention will solve
The scheme of the present invention through the following stated solves following problems: above-mentioned that kind owing to make temperature (160 ℃) by guaranteeing that the construction that common usable time causes stagnates at general compound; Be ground into the caking phenomenon that produces in the flaky bisphenol A-type solid epoxy resin; Because of reactive high morning set time that causes of bisphenol A type epoxy resin and solidifying agent.
The scheme that is used to deal with problems
At first; A kind of method of manufacture of epoxy asphalt mixture is provided; It is characterized in that, when making with pitch as the asphalt of tackiness agent, host and solidifying agent are packed respectively in asphalt plant; Host of being packed and solidifying agent are dropped in the asphalt manufacturing machine; Said host be with respect to epoxy equivalent (weight) be 400～600, fusing point is flaky bisphenol A-type solid epoxy resin 100 weight parts that are ground into below 70 ℃, blending iron oxide pigment 0.5～10 weight part, talcum powder 4～10 weight parts form, said solidifying agent is that iodine number is 35～60 armeen 24～36 weight parts.
In the such scheme, with respect to bituminous cement 100 weight parts, the total amount of host and solidifying agent is preferably 10～30 weight parts.
In the such scheme, preferably, said packing is to be utilized in the container of 160 ℃ ± 20 ℃ of fusions or to sneak into the ceramic container made that can pulverize when asphalt is made in the machine and carry out.
In addition, with respect to above-mentioned bisphenol A-type solid epoxy resin 100 weight parts, preferably contain above-mentioned iron oxide pigment 0.5～1.0 weight part.
The effect of invention
Epoxy equivalent (weight) is 400～600, fusing point is that bisphenol A-type solid epoxy resin below 70 ℃ is ground into white, the translucent sheet (for example: about length * wide * thick=20mm * 10mm * 5mm) of outward appearance as rock sugar; Be suitable for most using; But owing to have the character that melts when temperature reaches more than 20 ℃; Therefore in preserving and carrying, can produce caking phenomenon, form bigger piece.
In scheme 1 to scheme 3; With respect to being ground into flaky bisphenol A-type solid epoxy resin 100 weight parts; Mixed the host of talcum powder 4～10 weight parts and can not damage the performance of the asphalt of manufacturing, and can prevent caking phenomenon, in addition; Also disintegrate easily, break easily even caking phenomenon takes place, therefore in asphalt manufacturing machine, can easily disperse.
If in being ground into flaky bisphenol A-type solid epoxy resin, mix talcum powder, then (flaky) solid epoxy resin is coated by talcum powder on every side.Talcum powder is a white, and (flaky) solid epoxy resin also is a white, therefore can't judge whether (flaky) solid epoxy resin integral body is coated by talcum powder.
In scheme 1 to the scheme 3,, add iron oxide pigment 0.5～10 weight part with respect to being ground into flaky bisphenol A-type solid epoxy resin 100 weight parts, thus the effect that can utilize Visual Confirmation to coat.
In scheme 1 to the scheme 3; Host and solidifying agent to metering are in advance packed respectively; Be fed into then in the compound manufacturing machine; Therefore there are not hands and the chance that resin directly contacts such as metering, stirring, do not having problems aspect compound mfr's the labour safety and hygiene yet, do not need compound mfr's skilled operation.
In the scheme 2, with respect to bituminous cement 100 weight parts, making the total amount of host and solidifying agent is 10～30 weight parts, thereby has improved toughness, the watertightness of asphalt.
In the scheme 3; The packing of host and solidifying agent is used earthen container, the porcelain container made that maybe can pulverize at the container of 160 ℃ ± 20 ℃ of fusions; Thereby the chance that does not exist hands such as metering, stirring and resin directly to contact; Can easily make epoxy asphalt mixture, also can the performance of epoxy asphalt mixture not impacted.Under the situation for earthen container, porcelain container made, it becomes gathering materials of epoxy asphalt mixture after in compound manufacturing machine, pulverizing.
Embodiment
As the talcum powder that uses among the present invention, homemade in having, Korea S produces, Russia produces etc., as iron oxide pigment, RED IRON OXIDE, black iron oxide etc. is arranged.
Talcum all has production all over the world, but impurity such as iron powder is many in the talcum that in Japan produces, and whiteness is poor, therefore more use homemade in high-quality, Korea S produces, Russia produces talcum.
Embodiment
Will be by being ground into the host (epoxy equivalent (weight) 475 that flaky bisphenol A-type solid epoxy resin constitutes; 68 ℃ of fusing points) solidifying agent that constitutes with the armeen that by iodine number is 35 is with host: the ratio of the weight ratio of solidifying agent=10: 3 is enclosed in the different new LDPE (film grade) container mades (100～115 ℃ of fusing points); The mixing tank that utilization is made machine as compound to pitch (for example straight-run pitch, oxidized bitumen, half oxidized bitumen, modifying asphalt, Trinida lake pitch etc.) and gather materials carry out mixing; At this moment; With respect to input pitch 100 weight parts; Otal investment is the host and the solidifying agent of 7,14,21,28 weight parts; The stability of (60 ℃, health 6 days) when investigation initial stage dynamic stability (60 ℃, health 3 hours) and completely solidified, said stability are according to (society) Japanese road association index that the wheel tracking test method of record is estimated the anti-flowability of asphalt in the test method(s) brief guide (3-7-3) of mating formation.
In the wheel tracking test method; The test body of asphalt is of a size of length x width x thickness=300mm * 300mm * 50mm, running test wheel be shaped as diameter 200mm, width 50mm, thickness 15mm, be rubber solid tyre (JIS hardness 84 ± 4 (20 ℃); 78 ± 2 (60 ℃); The wheel load is 686 ± 10N, and Vehicle Speed is 42 ± 1 times/mm, and the vehicle ' distance is 230 ± 10mm.Dynamic stability with on-test after the vehicle number of pass times of 15 minutes unit deformation amount of 45 minutes and 60 minutes represent.About mixing, unified wet mixing of carrying out 90 seconds under the room temp of mixing tank is 160 ℃.The asphalt of making like this can be laid after 3 hours.
| Bituminous cement amount (weight part) | 100 | 100 | 100 | 100 |
| The total amount of host and solidifying agent (weight part) | 7 | 14 | 21 | 28 |
| The initial stage dynamic stability (inferior/mm) | 2,000 | 6,000 | 10,000 | 11,000 |
| Dynamic stability during completely solidified (inferior/mm) | 5,000 | 9,000 | 29,000 | 60,000 |
With respect to bituminous cement 100 weight parts; The gross weight of host and solidifying agent is that the initial stage stability of the asphalt of 7 weight parts is 2000 times/mm; Dynamic stability during completely solidified is 5000 times/mm, 6000 times/mm of the target of the dynamic stability when being lower than as 3000 times/mm of the target of initial stage dynamic stability, as completely solidified.In addition; With respect to bituminous cement 100 weight parts; The gross weight of host and solidifying agent is that the dynamic stability of the initial stage stability of the asphalt of 14 weight parts when being 6000 times/mm, completely solidified is 9000 times/mm, all above target value, has obtained good anti-flowing property.Can know that by these results the lower value of gross weight of host and solidifying agent that satisfies the target value of each dynamic stability is surpassing between 7～14 weight parts.
In the foregoing description,, then observe the caused glomeration of powder if mix the talcum powder that surpasses 10 weight parts with respect to being ground into flaky bisphenol A-type solid epoxy resin 100 weight parts.In addition, if combined amount between 5 weight parts and 10 weight parts, then can coat being ground into flaky bisphenol A-type solid epoxy resin equably, prevent that the effect of luming from obtaining performance.
At this moment, be 4～10 weight parts through making talcum powder, can be coated with equably and be ground into flaky bisphenol A-type solid epoxy resin, can bring into play preventing the effect of luming.Confirming in addition, is 4～10 weight parts through making talcum powder, also disintegrates easily, breaks easily even caking phenomenon takes place hypothesis, therefore in asphalt manufacturing machine, also can easily disperse.
At this moment, through adding iron oxide pigment 0.5～10 weight part, can be through the effect of Visual Confirmation coating.At this moment, if iron oxide pigment is preferably 0.5～1.0 weight part, then can realize above-mentioned affirmation well.
In addition, the embodiment to the content separately in this talcum powder, the iron oxide pigment below describes.Made talcum powder respectively: 4.3 weight parts, iron oxide pigment: the experimental example 1 of 0.7 weight part; Talcum powder: 6 weight parts, iron oxide pigment: the experimental example 2 of 3 weight parts; Talcum powder: 9 weight parts, iron oxide pigment: the experimental example 3 of 8 weight parts, and carried out the experiment of affirmation effect.Consequently, in all experimental examples, all confirm to realize above-mentioned effect well.
Can know in the foregoing description that with respect to bisphenol A-type solid epoxy resin 100 weight parts, mix under the situation of the solidifying agent that is less than 24 weight parts, unreacted host remains in the compound; And when mixing the solidifying agent more than 36 weight parts, unreacted solidifying agent remains in the compound, and the dynamic stability when initial stage stability and completely solidified all reduces in all cases, and water-fast, weather resistance is significantly reduced.Therefore, with respect to bisphenol A-type solid epoxy resin 100 weight parts, preferably contain solidifying agent 24～36 weight parts.
Can know that in addition in the solidifying agent, the iodine number of armeen is lower than under 35 the situation, reaction accelerates, and can't guarantee usable time, if the reaction above 60 is slow excessively, and the laying time that can't guarantee asphalt.Therefore, the iodine number of armeen need be 35～60 scope.
In the foregoing description; Can know: with respect to input pitch 100 weight parts; The total amount of host and solidifying agent is that 10 weight parts are when above; The initial stage dynamic stability be shown as 3000 times/more than the mm, be 15 weight parts when above in addition, the dynamic stability during completely solidified also can satisfy 10000 times/more than the mm.Can know that by this result laying and making the total amount of host and solidifying agent with respect to pitch 100 weight parts is the asphalt of 15 weight parts, and after 3 hours open to traffic, can not produce rut in the early stage, can guarantee good flatness.
Next the variable quantity to other embodiment describes.Among other embodiment; Will be by being ground into the host (epoxy equivalent (weight) 475 that flaky bisphenol A-type solid epoxy resin constitutes; 68 ℃ of fusing points) solidifying agent that constitutes with the armeen that by iodine number is 35 is with host: the ratio of the weight ratio of solidifying agent=10: 3 is enclosed in the different new LDPE (film grade) container mades (100～115 ℃ of fusing points); The mixing tank that utilization is made machine as compound to pitch (for example straight-run pitch, oxidized bitumen, half oxidized bitumen, modifying asphalt, Trinida lake pitch etc.) and gather materials carry out mixing; At this moment; With respect to input pitch 100 weight parts, otal investment is the host and the solidifying agent of 5,10,15,30 weight parts, the dynamic stability of (60 ℃, health 6 days) when investigating initial stage dynamic stability (60 ℃, health 3 hours) and completely solidified.The measuring method of the dynamic stability when initial stage dynamic stability and completely solidified as stated.About mixing, be the wet mixing that 160 ℃ of unifications were carried out 90 seconds in the room temp of mixing tank.The asphalt of making like this can be laid after 3 hours.The result is listed in the table below.
| Bituminous cement amount (weight part) | ?100 | 100 | ?100 | ?100 |
| The total amount of host and solidifying agent (weight part) | ?5 | 10 | ?15 | ?30 |
| The initial stage dynamic stability (inferior/mm) | ?60 | 3000 | ?8000 | ?12000 |
| Dynamic stability during completely solidified (inferior/mm) | ?120 | 8000 | ?12000 | ?63000 |
Can know: with respect to bituminous cement 100 weight parts, the dynamic stability the when gross weight that makes host and solidifying agent is initial stage stability, the completely solidified of the asphalt of 5 weight parts is all low.
Need to prove that the present invention is not limited to the foregoing description certainly.
Claims (4)
1. the method for manufacture of the epoxy asphalt mixture in the asphalt plant; It is characterized in that; When asphalt plant makes with pitch as the asphalt of tackiness agent, host and solidifying agent are packed respectively, in host of being packed and solidifying agent input asphalt manufacturing machine; Wherein, Said host be with respect to epoxy equivalent (weight) be 400～600, fusing point is flaky bisphenol A-type solid epoxy resin 100 weight parts that are ground into below 70 ℃, blending iron oxide pigment 0.5～10 weight part, talcum powder 4～10 weight parts form, said solidifying agent is that iodine number is 35～60 armeen 24～36 weight parts.
2. the method for manufacture of the epoxy asphalt mixture in the asphalt as claimed in claim 1 plant is characterized in that with respect to bituminous cement 100 weight parts, the total amount of host and solidifying agent is 10～30 weight parts.
3. the method for manufacture of the epoxy asphalt mixture in according to claim 1 or claim 2 the asphalt plant; It is characterized in that said packing is that the container that is utilized in 160 ℃ ± 20 ℃ of fusions, the ceramic that can pulverize when dropping in the asphalt manufacturing machine or the container of porcelain system carry out.
4. like the method for manufacture of each described epoxy asphalt mixture of claim 1～3, it is characterized in that,, contain above-mentioned iron oxide pigment 0.5～1.0 weight part with respect to above-mentioned bisphenol A-type solid epoxy resin 100 weight parts.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011096891A JP5715874B2 (en) | 2011-04-25 | 2011-04-25 | Production method of epoxy asphalt compound in asphalt compound factory |
| JP2011-096891 | 2011-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102757653A true CN102757653A (en) | 2012-10-31 |
Family
ID=47052326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100200973A Pending CN102757653A (en) | 2011-04-25 | 2012-01-21 | Method for making epoxy asphalt mixture |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5715874B2 (en) |
| CN (1) | CN102757653A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103756259A (en) * | 2014-01-03 | 2014-04-30 | 交通运输部公路科学研究所 | Dry-method asphalt mixture modifier and preparation method thereof as well as asphalt mixture |
| CN116013444A (en) * | 2023-03-27 | 2023-04-25 | 武汉理工大学 | Epoxy asphalt mixture construction temperature calculation method, electronic equipment and storage medium |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101487755B1 (en) | 2013-11-15 | 2015-01-30 | 서울과학기술대학교 산학협력단 | Composition of asphalt and paving method thereof |
| CN114292498A (en) * | 2022-02-22 | 2022-04-08 | 陕西理工大学 | Preparation method of lycopodium clavatum powder-epoxy resin waterproof composite material |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002356605A (en) * | 2001-05-30 | 2002-12-13 | Nippon Kayaku Co Ltd | Epoxy resin composition and semiconductor unit |
| JP2003026929A (en) * | 2001-07-13 | 2003-01-29 | Sho Bond Constr Co Ltd | Asphalt mixture composition and production method |
| JP4971565B2 (en) * | 2001-08-24 | 2012-07-11 | 新日鐵化学株式会社 | Asphalt / epoxy resin composition |
| RU2540338C2 (en) * | 2009-09-14 | 2015-02-10 | Мицубиси Гэс Кемикал Компани, Инк. | Composition of fire-resistant polyamide resin |
-
2011
- 2011-04-25 JP JP2011096891A patent/JP5715874B2/en not_active Expired - Fee Related
-
2012
- 2012-01-21 CN CN2012100200973A patent/CN102757653A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103756259A (en) * | 2014-01-03 | 2014-04-30 | 交通运输部公路科学研究所 | Dry-method asphalt mixture modifier and preparation method thereof as well as asphalt mixture |
| CN103756259B (en) * | 2014-01-03 | 2016-05-25 | 交通运输部公路科学研究所 | The agent of a kind of asphalt dry method modification, its preparation method and asphalt |
| CN116013444A (en) * | 2023-03-27 | 2023-04-25 | 武汉理工大学 | Epoxy asphalt mixture construction temperature calculation method, electronic equipment and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5715874B2 (en) | 2015-05-13 |
| JP2012229298A (en) | 2012-11-22 |
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Application publication date: 20121031 |