CN106587735A - Isophthalic unsaturated polyester resin modified asphalt concrete and preparation method thereof - Google Patents
Isophthalic unsaturated polyester resin modified asphalt concrete and preparation method thereof Download PDFInfo
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- CN106587735A CN106587735A CN201611025096.2A CN201611025096A CN106587735A CN 106587735 A CN106587735 A CN 106587735A CN 201611025096 A CN201611025096 A CN 201611025096A CN 106587735 A CN106587735 A CN 106587735A
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- polyester resin
- unsaturated polyester
- resin modified
- pitch
- modified asphalt
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/26—Bituminous materials, e.g. tar, pitch
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/0076—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials characterised by the grain distribution
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/01—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to unsaturated polyesters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F289/00—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds not provided for in groups C08F251/00 - C08F287/00
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/34—Non-shrinking or non-cracking materials
- C04B2111/343—Crack resistant materials
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses isophthalic unsaturated polyester resin modified asphalt concrete and a preparation method thereof, the isophthalic unsaturated polyester resin modified asphalt concrete is prepared from an aggregate and unsaturated polyester resin modified asphalt as raw materials, the unsaturated polyester resin modified asphalt is prepared from unsaturated polyester resin, maleic anhydride, a curing agent, a coupling agent, a diluent and matrix asphalt as raw materials, and the concrete has the advantages of high strength, high crack resistance, strong anti fatigue properties, low cost and convenient construction.
Description
Technical field
The invention belongs to modified asphalt concrete technical field, is related to a kind of metaphenylene unsaturated polyester resin modified pitch
Concrete and preparation method thereof.
Background technology
With economy and the development of highway transportation, the across footpath of bridge structure is also increasing.Bridge deck pavement is floorings
With the superficial layer of driving directly contact, can protect floorings not by the direct effect of vehicular load, temperature load and water, its paving
The quality and useful life longevity of packing quality directly influences the enforcement quality of vehicle and the service life on road surface.Therefore, bridge floor paving
The features such as dress layer will have good anti-rut behavior, surface antiskid and water and good temperature stability.
Currently, the more widely used deck paving channel type of domestic and international application is mainly cast asphalt concrete, changes
Property pitch SMA and epoxy asphalt concrete.But the high-temperature stability of cast asphalt concrete is poor, modified asphalt SMA it is low
Warm crack resistance and anti-fatigue performance poor-performing, although epoxy asphalt concrete intensity is high, Rut resistance and anti-fatigue performance are superior,
But high cost, construction is excessively complicated.
The content of the invention
It is an object of the invention to overcome the shortcoming of above-mentioned prior art, there is provided a kind of metaphenylene unsaturated polyester resin
Modified asphalt concrete and preparation method thereof, the intensity of the concrete is high, cracking resistance and anti-fatigue performance are stronger, and cost
It is low, easy construction.
To reach above-mentioned purpose, metaphenylene unsaturated polyester resin modified asphalt concrete of the present invention by gathering materials and
Unsaturated polyester resin modified pitch is prepared from for raw material, wherein, unsaturated polyester resin modified pitch is by unsaturated polyester (UP)
Resin, maleic anhydride, curing agent, coupling agent, diluent and matrix pitch are prepared from for raw material.
The mass ratio 100 gathered materials with unsaturated polyester resin modified pitch：6.5.
The mass ratio of unsaturated polyester resin, maleic anhydride, curing agent, coupling agent, diluent and matrix pitch is 100:
7.5:4:2.5:0.6:246。
Gather materials and mixed by coarse aggregate A, coarse aggregate B, fine aggregate A, fine aggregate B and breeze, wherein, coarse aggregate A, rough set
Material B, fine aggregate A, fine aggregate B and powdered ore quality ratio are 23:21:17:34:5.
The particle diameter of coarse aggregate A is more than or equal to 10mm and less than or equal to 15mm；
The particle diameter of coarse aggregate B is less than 10mm and more than or equal to 5mm；
The particle diameter of fine aggregate A is less than 5mm and more than or equal to 3mm；
The particle diameter of fine aggregate B is less than 3mm.
Matrix pitch is A-90# bi tumenf orr oads.
The preparation method of metaphenylene unsaturated polyester resin modified asphalt concrete of the present invention is comprised the following steps：
1) take gather materials, unsaturated polyester resin, maleic anhydride, curing agent, coupling agent, diluent and matrix pitch, it is then right
Matrix pitch is heated, and then maleic anhydride is added in matrix pitch, then carries out high speed shear, obtains mixture；
2) unsaturated polyester resin is preheated, then curing agent is added to into step 1) in the mixture that obtains, stirring
Coupling agent and diluent are dividedly in some parts after uniform, the unsaturated polyester resin after preheating is added after stirring, then be stirred, obtained not
Saturated polyester resin modified pitch；
3) will gather materials and pour in agitated kettle, then by step 2) the unsaturated polyester resin modified pitch that obtains pours agitated kettle into
In, then be stirred, in being subsequently poured into supporting plate, then supporting plate is put into into isothermal holding in baking oven, obtain metaphenylene unsaturated polyester (UP) tree
Fat modified asphalt concrete.
Step 1) in matrix pitch is heated to into 160 DEG C, then maleic anhydride is added in matrix pitch, then again turning
Speed carries out high speed shear for the speed of 200r/min, and the white smoke produced when maleic anhydride mixes with matrix pitch disappears and is
Only, mixture is obtained；
Step 2) in unsaturated polyester resin preheating temperature be 80 DEG C；
Step 2) in add the unsaturated polyester resin after preheating after stirring, then be stirred 5min, obtain unsaturated polyester (UP)
Resin modified asphalt；
Step 3) in by step 2) the unsaturated polyester resin modified pitch that obtains poured in agitated kettle, is stirred for 90s, so
After pour in supporting plate, then supporting plate be put in 140 DEG C of baking oven be incubated 40-50min, obtain metaphenylene unsaturated polyester resin and be modified
Bituminous concrete.
The invention has the advantages that：
Metaphenylene unsaturated polyester resin modified asphalt concrete of the present invention is by gathering materials and unsaturated polyester resin
Modified pitch is prepared from for raw material, wherein, unsaturated polyester resin modified pitch by unsaturated polyester resin, maleic anhydride,
Curing agent, coupling agent, diluent and matrix pitch are prepared from for raw material, wherein, unsaturated polyester resin is thermosetting resin
Material, with excellent mechanical property and mechanical performance, by the way that matrix pitch is mixed with unsaturated polyester resin, after making solidification
Matrix pitch forms space cross-linked network with the mixture of unsaturated polyester resin, so that metaphenylene unsaturated polyester resin changes
Property bituminous concrete there is excellent intensity, cracking resistance and anti-fatigue performance, the rutting resistance of concrete is improved, while respectively
The cost of raw material is relatively low.In addition, in preparation process, by by unsaturated polyester resin, maleic anhydride, curing agent, coupling agent,
Diluent and matrix pitch Hybrid Heating stir to form unsaturated polyester resin modified pitch, then again by unsaturated polyester resin
Modified pitch is mixed with gathering materials, simple to operate so as to obtain metaphenylene unsaturated polyester resin modified asphalt concrete, easily
In realization.
Specific embodiment
The present invention is described in further detail with reference to specific embodiment, the following is explanation of the invention and not
It is to limit.
Metaphenylene unsaturated polyester resin modified asphalt concrete of the present invention is by gathering materials and unsaturated polyester resin
Modified pitch is prepared from for raw material, wherein, unsaturated polyester resin modified pitch by unsaturated polyester resin, maleic anhydride,
Curing agent, coupling agent, diluent and matrix pitch are prepared from for raw material.
The mass ratio 100 gathered materials with unsaturated polyester resin modified pitch：6.5.
The mass ratio of unsaturated polyester resin, maleic anhydride, curing agent, coupling agent, diluent and matrix pitch is 100:
7.5:4:2.5:0.6:246。
Gather materials and mixed by coarse aggregate A, coarse aggregate B, fine aggregate A, fine aggregate B and breeze, wherein, coarse aggregate A, rough set
Material B, fine aggregate A, fine aggregate B and powdered ore quality ratio are 23:21:17:34:5.
The particle diameter of coarse aggregate A is more than or equal to 10mm and less than or equal to 15mm；
The particle diameter of coarse aggregate B is less than 10mm and more than or equal to 5mm；
The particle diameter of fine aggregate A is less than 5mm and more than or equal to 3mm；
The particle diameter of fine aggregate B is less than 3mm.
Matrix pitch is A-90# bi tumenf orr oads.
The preparation method of metaphenylene unsaturated polyester resin modified asphalt concrete of the present invention is comprised the following steps：
1) take gather materials, unsaturated polyester resin, maleic anhydride, curing agent, coupling agent, diluent and matrix pitch, it is then right
Matrix pitch is heated, and then maleic anhydride is added in matrix pitch, then carries out high speed shear, obtains mixture；
2) unsaturated polyester resin is preheated, then curing agent is added to into step 1) in the mixture that obtains, stirring
Coupling agent and diluent are dividedly in some parts after uniform, the unsaturated polyester resin after preheating is added after stirring, then be stirred, obtained not
Saturated polyester resin modified pitch；
3) will gather materials and pour in agitated kettle, then by step 2) the unsaturated polyester resin modified pitch that obtains pours agitated kettle into
In, then be stirred, in being subsequently poured into supporting plate, then supporting plate is put into into isothermal holding in baking oven, obtain metaphenylene unsaturated polyester (UP) tree
Fat modified asphalt concrete.
Step 1) in matrix pitch is heated to into 160 DEG C, then maleic anhydride is added in matrix pitch, then again turning
Speed carries out high speed shear for the speed of 200r/min, and the white smoke produced when maleic anhydride mixes with matrix pitch disappears and is
Only, mixture is obtained；
Step 2) in unsaturated polyester resin preheating temperature be 80 DEG C；
Step 2) in add the unsaturated polyester resin after preheating after stirring, then be stirred 5min, obtain unsaturated polyester (UP)
Resin modified asphalt；
Step 3) in by step 2) the unsaturated polyester resin modified pitch that obtains poured in agitated kettle, is stirred for 90s, so
After pour in supporting plate, then supporting plate be put in 140 DEG C of baking oven be incubated 40-50min, obtain metaphenylene unsaturated polyester resin and be modified
Bituminous concrete.
Marshall Test
According to《Highway engineering pitch and Asphalt Mixture Experiment code》(JTJ 052-2000) is tested, and and matrix
The index of correlation of pitch and SBS modified pitch is contrasted, and test result is shown in Table 1.
Table 1
By the data of table 1, it was therefore concluded that：The stability of the present invention is respectively matrix pitch and SBS modified asphalt mixtures
2.81 and 1.85 times, illustrate the good mechanical performance of the present invention.
Diametral compression test
According to《Highway engineering pitch and Asphalt Mixture Experiment code》(JTJ 052-2000) is tested, and and matrix
The index of correlation of pitch and SBS modified pitch is contrasted, and test result is shown in Table 2.
Table 2
By the data of table 2, it was therefore concluded that：The cleavage strength of the present invention is respectively matrix pitch and SBS modified asphalt mixtures
2.92 and 1.85 times, illustrate the present invention intensity it is larger.
Wheel tracking test
According to《Highway engineering pitch and Asphalt Mixture Experiment code》(JTJ 052-2000) is tested, and and matrix
The index of correlation of pitch and SBS modified pitch is contrasted, and test result is shown in Table 3.
Table 3
As can be seen from Table 3, the 38.1% of dynamic stability epoxy asphalt mixture of the invention, but matrix pitch and
6.75 and 2.27 times of SBS modified pitch, illustrate that compound high-temperature behavior of the present invention is excellent.
Girder bend test
According to《Highway engineering pitch and Asphalt Mixture Experiment code》(JTJ 052-2000) is tested, and and matrix
The index of correlation of pitch and SBS modified pitch is contrasted.Test result is shown in Table 4.
Table 4
As can be seen from Table 4, maximum flexural-tensile strain of the invention is respectively matrix pitch and SBS modified asphalt mixtures
1.79 and 1.41 times, illustrate that the pliability of the present invention is excellent, low-temperature cracking-resistance is strong.
Immersion Marshall and indirect tensile test on frozen-thaw
According to《Highway engineering pitch and Asphalt Mixture Experiment code》(JTJ 052-2000) is tested, and and matrix
The index of correlation of pitch and SBS modified pitch is contrasted.Test result is shown in Table 5.
Table 5
By data in table 5, it was therefore concluded that：The immersion residual stability of the present invention is slightly less than the correlation of several asphalts
Index, but also meet code requirement；Freeze thawing strength ratio is but very big, is 1.14 times of matrix pitch and SBS modified asphalt mixtures
With 1.10 times, illustrate that loss of strength is less after freeze thawing of the present invention, water stability is good.
Fatigue test
Fatigue performance of asphalt mixture is tested using midpoint girder bend test.Test girder size is length
250mm ± 2mm, wide 40mm ± 2mm, high 40mm ± 2mm, test apparatus is MTS-810 type material testing systems.Using sine wave
Shape load carries out fatigue test, and loading frequency is 10Hz, and test temperature is 15 DEG C, and stress ratio employs 0.3～0.6 4 etc.
Level, and contrasted with the index of correlation of matrix pitch and SBS modified pitch.Result of the test is shown in Table 6 and table 7.
Table 6
Table 7
By data in table 6-7, it was therefore concluded that：Under identical stress ratio, the fatigue life of the present invention is more than matrix pitch, with
SBS modified asphalt mixture fatigue lives quite, illustrate that the anti-fatigue performance of the present invention is suitable with SBS modified asphalt mixtures,
Performance is more superior.
By conclusions, the intensity of the present invention, high-temperature stability and low-temperature cracking-resistance are superior to matrix and SBS modified pitch
Compound, but water stability and anti-fatigue performance are suitable with SBS modified asphalt mixtures, the excellent road performance of the present invention.
Claims (8)
1. a kind of metaphenylene unsaturated polyester resin modified asphalt concrete, it is characterised in that by gathering materials and unsaturated polyester (UP) tree
Fat modified pitch is prepared from for raw material, wherein, unsaturated polyester resin modified pitch is by unsaturated polyester resin, maleic acid
Acid anhydride, curing agent, coupling agent, diluent and matrix pitch are prepared from for raw material.
2. metaphenylene unsaturated polyester resin modified asphalt concrete according to claim 1, it is characterised in that gather materials with
The mass ratio 100 of unsaturated polyester resin modified pitch：6.5.
3. metaphenylene unsaturated polyester resin modified asphalt concrete according to claim 1, it is characterised in that unsaturated
The mass ratio of polyester resin, maleic anhydride, curing agent, coupling agent, diluent and matrix pitch is 100:7.5:4:2.5:0.6:
246。
4. metaphenylene unsaturated polyester resin modified asphalt concrete according to claim 1, it is characterised in that gather materials by
Coarse aggregate A, coarse aggregate B, fine aggregate A, fine aggregate B and breeze are mixed, wherein, it is coarse aggregate A, coarse aggregate B, fine aggregate A, thin
Gather materials B and powdered ore quality ratio is 23:21:17:34:5.
5. metaphenylene unsaturated polyester resin modified asphalt concrete according to claim 4, it is characterised in that coarse aggregate
The particle diameter of A is more than or equal to 10mm and less than or equal to 15mm；
The particle diameter of coarse aggregate B is less than 10mm and more than or equal to 5mm；
The particle diameter of fine aggregate A is less than 5mm and more than or equal to 3mm；
The particle diameter of fine aggregate B is less than 3mm.
6. metaphenylene unsaturated polyester resin modified asphalt concrete according to claim 1, it is characterised in that matrix is dripped
Green grass or young crops is A-90# bi tumenf orr oads.
7. the preparation method of the metaphenylene unsaturated polyester resin modified asphalt concrete described in a kind of claim 1, its feature
It is to comprise the following steps：
1) take gather materials, unsaturated polyester resin, maleic anhydride, curing agent, coupling agent, diluent and matrix pitch, then to matrix
Pitch is heated, and then maleic anhydride is added in matrix pitch, then carries out high speed shear, obtains mixture；
2) unsaturated polyester resin is preheated, then curing agent is added to into step 1) in the mixture that obtains, stir
After be dividedly in some parts coupling agent and diluent, the unsaturated polyester resin after preheating is added after stirring, then be stirred, obtain unsaturated
Polyester resin modified pitch；
3) will gather materials and pour in agitated kettle, then by step 2) the unsaturated polyester resin modified pitch that obtains poured in agitated kettle,
It is stirred again, in being subsequently poured into supporting plate, then supporting plate is put into into isothermal holding in baking oven, obtains metaphenylene unsaturated polyester resin and change
Property bituminous concrete.
8. the preparation method of metaphenylene unsaturated polyester resin modified asphalt concrete according to claim 7, its feature
It is,
Step 1) in matrix pitch is heated to into 160 DEG C, then maleic anhydride is added in matrix pitch, then with rotating speed be again
The speed of 200r/min carries out high speed shear, until the white smoke produced when maleic anhydride mixes with matrix pitch disappears being
Only, mixture is obtained；
Step 2) in unsaturated polyester resin preheating temperature be 80 DEG C；
Step 2) in add the unsaturated polyester resin after preheating after stirring, then be stirred 5min, obtain unsaturated polyester resin
Modified pitch；
Step 3) in by step 2) the unsaturated polyester resin modified pitch that obtains poured in agitated kettle, is stirred for 90s, then fall
In entering supporting plate, then supporting plate is put in 140 DEG C of baking oven it is incubated 40-50min, obtains metaphenylene unsaturated polyester resin modified pitch
Concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611025096.2A CN106587735B (en) | 2016-11-17 | 2016-11-17 | A kind of metaphenylene unsaturated polyester resin modified asphalt concrete and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611025096.2A CN106587735B (en) | 2016-11-17 | 2016-11-17 | A kind of metaphenylene unsaturated polyester resin modified asphalt concrete and preparation method thereof |
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| CN106587735A true CN106587735A (en) | 2017-04-26 |
| CN106587735B CN106587735B (en) | 2019-03-26 |
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| CN201611025096.2A Expired - Fee Related CN106587735B (en) | 2016-11-17 | 2016-11-17 | A kind of metaphenylene unsaturated polyester resin modified asphalt concrete and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111217554A (en) * | 2020-01-16 | 2020-06-02 | 长安大学 | Polyurethane-enhanced unsaturated polyester resin modified asphalt concrete and preparation method thereof |
| CN116606090A (en) * | 2023-05-25 | 2023-08-18 | 苏交科集团股份有限公司 | Low-temperature modified asphalt concrete and preparation method thereof |
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| SU945167A1 (en) * | 1980-09-18 | 1982-07-23 | Всесоюзный Научно-Исследовательский И Проектно-Конструкторский Институт Полимерных Строительных Материалов | Process for producing bitumen |
| CN1837290A (en) * | 2006-04-28 | 2006-09-27 | 黄卫 | Thermosetting epoxy asphalt materials for pavement and bridge and process for preparing same |
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2016
- 2016-11-17 CN CN201611025096.2A patent/CN106587735B/en not_active Expired - Fee Related
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| CN1837290A (en) * | 2006-04-28 | 2006-09-27 | 黄卫 | Thermosetting epoxy asphalt materials for pavement and bridge and process for preparing same |
| CN101955673A (en) * | 2010-10-18 | 2011-01-26 | 武汉工程大学 | Thermosetting epoxy asphalt material and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111217554A (en) * | 2020-01-16 | 2020-06-02 | 长安大学 | Polyurethane-enhanced unsaturated polyester resin modified asphalt concrete and preparation method thereof |
| CN116606090A (en) * | 2023-05-25 | 2023-08-18 | 苏交科集团股份有限公司 | Low-temperature modified asphalt concrete and preparation method thereof |
| CN116606090B (en) * | 2023-05-25 | 2023-11-24 | 苏交科集团股份有限公司 | Low-temperature modified asphalt concrete and preparation method thereof |
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| CN106587735B (en) | 2019-03-26 |
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