CN108559161A - High-modulus additive for asphalt concrete - Google Patents
High-modulus additive for asphalt concrete Download PDFInfo
- Publication number
- CN108559161A CN108559161A CN201810464240.5A CN201810464240A CN108559161A CN 108559161 A CN108559161 A CN 108559161A CN 201810464240 A CN201810464240 A CN 201810464240A CN 108559161 A CN108559161 A CN 108559161A
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- China
- Prior art keywords
- area
- bituminous concrete
- modulus
- additive
- modulus additive
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/20—Recycled plastic
Abstract
The invention relates to a high modulus additive for asphalt concrete, which achieves the effect of improving the modulus of the asphalt concrete by improving the interfacial force between asphalt and stone, so that the bearing capacity, the fatigue resistance, the low-temperature deformation capacity and the like of a pavement are comprehensively improved, and the high and low temperature indexes of the asphalt concrete can be considered. Meanwhile, the recycled polymer garbage material can be used for secondary synthesis processing, the cost is relatively low, white pollution is reduced, and the application of domestic plastic garbage is promoted.
Description
Technical field
The present invention relates to bituminous paving field of material technology, and in particular to a kind of bituminous concrete high-modulus additive.
Background technology
Highway, common road vehicle flowrate increase year by year at present, and overloading is serious, and track, cracking have become pitch
The Major Diseases on road surface, annual maintenance task are heavy.
To extend the maintenance of surface period, the prior art mostly uses anti-rut agent and is spiked into asphalt.But due to anti-
Rut agent be mainly with resist under asphalt high temperature it is shear-deformable as the main purpose, although high-temperature stability is aobvious after use
It writes and increases, but mixture brittleness is larger, low-temperature resistance cracking, anti-fatigue performance obviously weaken, in northern area especially northeast season
Section property frost region using effect is bad.
Invention content
To overcome the defect for losing low temperature anti-cracking performance while anti-rut agent improves high-temperature stability in the prior art,
The present invention is directed to the production of bituminous paving, handling characteristics, and in conjunction with synthesis of polymer material process principle, developing one kind can be simultaneous
Care for high/low temperature index, the high-modulus additive of General Promotion performance of asphalt mixture.The high-modulus additive is by improving pitch
Interfacial force between building stones has the function that raising asphalt concrete modulus, and road surface bearing capacity, anti-fatigue ability, low temperature is made to become
Shape ability etc. is comprehensively improved, rather than only improving bituminous concrete intensity makes bituminous concrete tend to rigid direction hair
Exhibition.
To achieve the above object, the technical scheme is that a kind of bituminous concrete high-modulus additive, described additional
Agent includes following ingredients by percentage to the quality：Low density polyethylene (LDPE) 80-90%, polypropylene 10-20%, fumaric acid 0.5-
1.5%, cumyl peroxide 0.1-0.3%, antioxidant 1010 0.1-0.2%, irgasfos 168 0.1-0.2%.
Further, the additive includes following ingredients by percentage to the quality：Low density polyethylene (LDPE) 82-86% gathers
Propylene 12-16%, fumaric acid 0.8-1.3%, cumyl peroxide 0.15-0.25%, antioxidant 1010 0.1-
0.2%, irgasfos 168 0.1-0.2%.
Further, the additive includes following ingredients by percentage to the quality：Low density polyethylene (LDPE) 83-85% gathers
Propylene 13-15%, fumaric acid 1.0-1.2%, cumyl peroxide 0.18-0.22%, antioxidant 1010 0.14-
0.18%, irgasfos 168 0.14-0.18%.
Wherein, low density polyethylene (LDPE) (LDPE) is also known as high pressure polyethylene, is a kind of plastic material, it is suitble to thermoplastic molding
The various moulding process of processing, are mainly used for making film product, are additionally operable to injection-molded item, medical apparatus, drug and food packet
Package material, blowing hollow molding product etc..These material products are common in life and production, and a large amount of as waste
It abandons.In one embodiment, the low close of recycling may be used in the low density polyethylene (LDPE) ingredient of high-modulus additive of the present invention
Polyethylene products are spent, cost is advantageously reduced, while reducing white pollution, develops the application of domestic plastic garbage.
A kind of thermoplastic resin of prepared by polypropylene is by propylene polymerization is nontoxic, odorless, tasteless milky height knot
Brilliant polymer.Polypropylene has many good characteristics：Relative density is small, only 0.89-0.91；Good mechanical property, it is resistance to
Impact is good；With higher heat resistance, continuous use temperature is up to 110-120 DEG C；Chemical property is good, hardly absorbs water, with
Most chemicals do not react；Electrical insulating property is good etc..In one embodiment, poly- the third of high-modulus additive of the present invention
The polypropylene articles of recycling may be used in alkene ingredient, advantageously reduce cost, while being polluted caused by reducing polypropylene waste gurry.
Fumaric acid be also known as fumaric acid (fumaric acid), corydalis acid or lichenic acid, the carboxylic acid derived by butylene,
Chemical formula is C4H4O4.Resistance to chemical corrosion is good, and heat resistance, is good adhesive.
Cumyl peroxide (dicumyl peroxide), also known as vulcanizing agent DCP, two cumin of peroxidating are a kind of strong
Oxidant.It can be used as the initiator of monomer polymerization, vulcanizing agent, crosslinking agent, curing agent, the flame-retardant additive of high molecular material etc..
It is mainly used as the vulcanizing agent of natural rubber, synthetic rubber, the initiator of polymerisation also acts as polyvinyl resin crosslinking agent
Deng.Ethylene-vinyl acetate copolymer (EVA) foamed material can be made to form the abscess of fine and even, while improving the heat-resisting of product
Property and weatherability.
The molecular formula of antioxidant 1010：C73H108O12, the entitled four [β-(3,5- di-tert-butyl-hydroxy phenyl) of chemistry
Propionic acid] pentaerythritol ester, also known as four propionates, white crystalline powder, chemical property is stablized, and is phenols antioxygen
Agent has polypropylene, polyethylene remarkable antioxygenic property, can effectively extend the service life of product.In product of the present invention
It is middle to be used as primary antioxidant.
The molecular formula of irgasfos 168：C42H63O3P, entitled three [2, the 4- di-tert-butyl-phenyl] phosphite ester of chemistry, also known as
Phosphite ester is a kind of phosphite antioxidant haveing excellent performance, and anti-extractibility is strong, is stablized to hydrolysis, and can be significantly
The photostability for improving product, can be used in combination with a variety of phenolic antioxidants.It is used as auxiliary antioxidant in the present invention, with master
Antioxidant compounds, and has good synergistic effect, can be effectively prevented the thermal degradation of polypropylene, polyethylene in basis is molded, give
The additional long-effective protection of polymer.
The present invention also provides the preparation methods of the bituminous concrete high-modulus additive, and the method includes following steps
Suddenly：
(1) each ingredient is removed into impurity, cleans, is dry, at normal temperatures uniform mix；
(2) twin-screw or three-screw extruder is used to be molded, discharge port temperature：200 DEG C, moulded products size controlling is in 3-
5mm。
Further, the twin-screw or three-screw extruder have nine heating zones, and nine Heating Zone Temperatures are set respectively
It sets：1st area：130℃；2nd area：145℃；3rd area：160℃；4th area：170℃；5th area：180℃；6th area：180℃；7th area：185℃；8
Area：190℃；9th area：190℃.
The present invention also provides the application method of the bituminous concrete high-modulus additive, the method includes to pitch
The high-modulus additive is added in concrete, adding proportion is the 0.35- of the bituminous concrete by percentage to the quality
0.45%.
Further, the adding proportion of the high-modulus additive is the bituminous concrete by percentage to the quality
0.4%.
The present invention is used synthesizes high-modulus additive in the method for polypropylene modification low density polyethylene (LDPE), upper stringent in metering
Each component content is controlled, ensures to retain low density polyethylene (LDPE) within the scope of some strength and the good toughness of asphalt compatibility is strong
The characteristics of, make the asphalt after Mixed With Admixture in two aspects of high temperature performance preferably matching compatibility.
The method of the present invention has the following advantages that：
1, the present invention is different from anti-rut agent principle, and asphalt is improved by the method for improving mixture dynamic modulus
High-temperature stability is restored function due to elasticity and is preferably retained, ensured mixture low-temperature resistance cracking, antifatigue cracking
Performance and slightly raising.
2, relatively low to preparing raw material requirement compared with existing product, it the macromolecule refuse material of recycling can be used to carry out two
Secondary synthesis processing, relative inexpensiveness.For reducing white pollution, promotes the application of domestic plastic garbage, resist foreign rubbish tool
There is positive effect.
Description of the drawings
Fig. 1 is the appearance photo of the high-modulus additive product obtained in one embodiment of the invention.
Specific implementation mode
The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..
Embodiment 1
Bituminous concrete high-modulus additive includes following ingredients by percentage to the quality in the present embodiment：Recycle low-density
Polyethylene 84.5% recycles polypropylene 14%, fumaric acid 1.0%, cumyl peroxide 0.2%, antioxidant 1010
0.15%, irgasfos 168 0.15%.
Preparation method includes：
(1) each ingredient is removed into impurity, cleans, is dry, at normal temperatures uniform mix；
(2) using the double screw extruder molding for having nine heating zones, nine Heating Zone Temperatures are separately positioned on：1st area：
130℃；2nd area：145℃；3rd area：160℃；4th area：170℃；5th area：180℃；6th area：180℃；7th area：185℃；8th area：190℃；9
Area：190 DEG C, discharge port temperature：200 DEG C, moulded products size controlling is in 3mm.
The product of acquisition is shown in Fig. 1.
Embodiment 2
Bituminous concrete high-modulus additive includes following ingredients by percentage to the quality in the present embodiment：Recycle low-density
Polyethylene 83.5%, polypropylene 15%, fumaric acid 1.0%, cumyl peroxide 0.22%, antioxidant 1010
0.14%, irgasfos 168 0.14%.
The preparation method is the same as that of Example 1.
Embodiment 3
Bituminous concrete high-modulus additive includes following ingredients by percentage to the quality in the present embodiment：Low density polyethylene
Alkene 86% recycles polypropylene 12.7%, fumaric acid 0.8%, cumyl peroxide 0.15%, antioxidant 1010
0.18%, irgasfos 168 0.17%.
The preparation method is the same as that of Example 1.
Embodiment 4
Bituminous concrete high-modulus additive includes following ingredients by percentage to the quality in the present embodiment：Low density polyethylene
Alkene 82.8%, polypropylene 15.5%, fumaric acid 1.3%, cumyl peroxide 0.2%, antioxidant 1010 0.1% resist
Oxygen agent 168 0.1%.
The preparation method is the same as that of Example 1.
Embodiment 5
Bituminous concrete high-modulus additive includes following ingredients by percentage to the quality in the present embodiment：Recycle low-density
Polyethylene 88% recycles polypropylene 10.5%, fumaric acid 1.0%, cumyl peroxide 0.3%, antioxidant 1010
0.1%, irgasfos 168 0.1%.
The preparation method is the same as that of Example 1.
Experimental example
Quality of asphalt mixtures percentage 0.4% is pressed into asphalt AC20 types, ATB25 types and AC25 types respectively
High-modulus additive prepared by addition embodiment 1 is detected the bituminous concrete of acquisition, the results are shown in Table after mixing
1-3。
Layer High Modulus Asphalt Mixture AC20 type gradings in face in 1 express highway pavement of table
| Detection project | Unit | Technology requirement | Test value | Test method |
| Wheel tracking test dynamic stability | Secondary/mm | ≥5000 | 6720 | T0719 |
| Low-temperature bending failure strain | με | ≥2300 | 2532 | T0715 |
| Dynamic modulus (15 DEG C, 10Hz) | Mpa | ≥14000 | 15640 | |
| Dynamic modulus (45 DEG C, 0.1Hz) | Mpa | ≥2000 | 2380 |
2 common road road surface cutting optimal High Modulus Asphalt Mixture ATB25 type gradings of table
| Detection project | Unit | Technology requirement | Test value | Test method |
| Wheel tracking test dynamic stability | Secondary/mm | ≥5000 | 8040 | T0719 |
| Low-temperature bending failure strain | με | ≥2300 | 2411 | T0715 |
| Dynamic modulus (15 DEG C, 10Hz) | Mpa | ≥14000 | 16430 | |
| Dynamic modulus (45 DEG C, 0.1Hz) | Mpa | ≥2000 | 2128 |
3 express highway pavement cutting optimal High Modulus Asphalt Mixture AC25 type gradings of table
| Detection project | Unit | Technology requirement | Test value | Test method |
| Wheel tracking test dynamic stability | Secondary/mm | ≥5000 | 7720 | T0719 |
| Low-temperature bending failure strain | με | ≥2300 | 2318 | T0715 |
| Dynamic modulus (15 DEG C, 10Hz) | Mpa | ≥14000 | 15420 | |
| Dynamic modulus (45 DEG C, 0.1Hz) | Mpa | ≥2000 | 2223 |
Can be seen that product of the present invention by the explanation of foregoing invention content part and the data of embodiment part can show
It writes and improves bituminous paving high temperature Rut resistance, low temperature anti-cracking performance, road surface can be made to keep longer endurance quality after use.Pass through
Improving the dynamic modulus of asphalt makes road surface have preferable stress spread effect under normal load even overload effect
And elastic recovery effects, cryogenic effect has been taken into account while ensureing high-temperature stability, to ensure the service function of asphalt roads,
Extend pavement maintenance and provides effective method curing cycle.Index is more stable compared with similar-type products, and cost is less expensive.Together
When for digest it is not recyclable or recycling after the serious plastic garbage of performance degradation have larger environment protection significance.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention belong to the scope of protection of present invention.
Claims (9)
1. a kind of bituminous concrete high-modulus additive, which is characterized in that the additive includes following by percentage to the quality
Ingredient：Low density polyethylene (LDPE) 80-90%, polypropylene 10-20%, fumaric acid 0.5-1.5%, cumyl peroxide 0.1-
0.3%, antioxidant 1010 0.1-0.2%, irgasfos 168 0.1-0.2%.
2. bituminous concrete high-modulus additive according to claim 1, which is characterized in that the additive is with quality hundred
It includes following ingredients to divide than meter：Low density polyethylene (LDPE) 82-86%, polypropylene 12-16%, fumaric acid 0.8-1.3%, peroxide
Change diisopropylbenzene (DIPB) 0.15-0.25%, antioxidant 1010 0.1-0.2%, irgasfos 168 0.1-0.2%.
3. bituminous concrete high-modulus additive according to claim 1, which is characterized in that low density polyethylene (LDPE) 83-
85%, polypropylene 13-15%, fumaric acid 1.0-1.2%, cumyl peroxide 0.18-0.22%, antioxidant 1010
0.14-0.18%, irgasfos 168 0.14-0.18%.
4. bituminous concrete high-modulus additive according to any one of claim 1-3, which is characterized in that described low close
Spend low density polyethylene (LDPE) product of the polyethylene using recycling.
5. bituminous concrete high-modulus additive according to any one of claim 1-3, which is characterized in that described poly- third
Alkene ingredient is using the polypropylene articles recycled.
6. the preparation method of bituminous concrete high-modulus additive according to any one of claims 1-5, feature exist
In the method includes the following steps：
(1) each ingredient is removed into impurity, cleans, is dry, at normal temperatures uniform mix；
(2) twin-screw or three-screw extruder is used to be molded, discharge port temperature：200 DEG C, moulded products size controlling is in 3-5mm.
7. preparation method according to claim 6, which is characterized in that the twin-screw or three-screw extruder have nine
Heating zone, nine Heating Zone Temperatures are separately positioned on：1st area：130℃；2nd area：145℃；3rd area：160℃；4th area：170℃；5th area：
180℃；6th area：180℃；7th area：185℃；8th area：190℃；9th area：190℃.
8. the application method of bituminous concrete high-modulus additive according to any one of claims 1-5, feature exist
In the method includes the following steps：The high-modulus additive is added into bituminous concrete, adding proportion is with quality percentage
Than the 0.35-0.45% for being calculated as the bituminous concrete.
9. application method according to claim 8, which is characterized in that the adding proportion of the high-modulus additive is with quality
Percentages are the 0.4% of the bituminous concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810464240.5A CN108559161B (en) | 2018-05-15 | 2018-05-15 | High-modulus additive for asphalt concrete |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810464240.5A CN108559161B (en) | 2018-05-15 | 2018-05-15 | High-modulus additive for asphalt concrete |
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| CN108559161B CN108559161B (en) | 2021-10-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113135692A (en) * | 2020-07-31 | 2021-07-20 | 车春花 | Preparation method of anti-aging modified asphalt concrete |
| CN114921011A (en) * | 2022-04-16 | 2022-08-19 | 辽宁新远复合材料有限公司 | High-performance asphalt concrete anti-rutting agent and preparation and use method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100764917B1 (en) * | 2006-07-20 | 2007-10-12 | 주식회사 뉴페이브 | An aspalt modifier comprising polyethylene and waste polypropylene and method for preparing the same |
| CN102964525A (en) * | 2012-03-08 | 2013-03-13 | 湖北国创高新材料股份有限公司 | Road asphalt mixture rut resisting additive and preparation method thereof |
| CN103073219A (en) * | 2013-01-09 | 2013-05-01 | 辽宁省交通科学研究院 | High-modulus bituminous concrete additive |
| CN103102707A (en) * | 2013-02-07 | 2013-05-15 | 广东银禧科技股份有限公司 | High modulus asphalt modifier |
| CN104910511A (en) * | 2015-04-22 | 2015-09-16 | 北京中企卓创科技发展有限公司 | High-modulus modifier composition of asphalt mixture |
| CN105061683A (en) * | 2015-09-25 | 2015-11-18 | 辽宁省交通科学研究院 | Admixture capable of enhancing high-temperature properties of asphalt concrete and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100700078B1 (en) * | 2005-04-06 | 2007-03-28 | 허정도 | Compositions and manufacturing methods of bitumen modifiers having complex functionality |
-
2018
- 2018-05-15 CN CN201810464240.5A patent/CN108559161B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100764917B1 (en) * | 2006-07-20 | 2007-10-12 | 주식회사 뉴페이브 | An aspalt modifier comprising polyethylene and waste polypropylene and method for preparing the same |
| CN102964525A (en) * | 2012-03-08 | 2013-03-13 | 湖北国创高新材料股份有限公司 | Road asphalt mixture rut resisting additive and preparation method thereof |
| CN103073219A (en) * | 2013-01-09 | 2013-05-01 | 辽宁省交通科学研究院 | High-modulus bituminous concrete additive |
| CN103102707A (en) * | 2013-02-07 | 2013-05-15 | 广东银禧科技股份有限公司 | High modulus asphalt modifier |
| CN104910511A (en) * | 2015-04-22 | 2015-09-16 | 北京中企卓创科技发展有限公司 | High-modulus modifier composition of asphalt mixture |
| CN105061683A (en) * | 2015-09-25 | 2015-11-18 | 辽宁省交通科学研究院 | Admixture capable of enhancing high-temperature properties of asphalt concrete and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113135692A (en) * | 2020-07-31 | 2021-07-20 | 车春花 | Preparation method of anti-aging modified asphalt concrete |
| CN114921011A (en) * | 2022-04-16 | 2022-08-19 | 辽宁新远复合材料有限公司 | High-performance asphalt concrete anti-rutting agent and preparation and use method thereof |
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| Publication number | Publication date |
|---|---|
| CN108559161B (en) | 2021-10-15 |
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