KR20170084877A - Plant mix type asphalt modifier and pre mix type asphalt binder and asphalt mixture - Google Patents

Plant mix type asphalt modifier and pre mix type asphalt binder and asphalt mixture Download PDF

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Publication number
KR20170084877A
KR20170084877A KR1020160004268A KR20160004268A KR20170084877A KR 20170084877 A KR20170084877 A KR 20170084877A KR 1020160004268 A KR1020160004268 A KR 1020160004268A KR 20160004268 A KR20160004268 A KR 20160004268A KR 20170084877 A KR20170084877 A KR 20170084877A
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South Korea
Prior art keywords
weight
asphalt
molecular weight
sbs
binder
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KR1020160004268A
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Korean (ko)
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KR101778150B1 (en
Inventor
김병채
Original Assignee
주식회사 포이닉스
김병채
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Priority to KR1020160004268A priority Critical patent/KR101778150B1/en
Publication of KR20170084877A publication Critical patent/KR20170084877A/en
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Publication of KR101778150B1 publication Critical patent/KR101778150B1/en

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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
    • C04B26/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • 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
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/04—Portland cements
    • 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
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/10—Lime cements or magnesium oxide cements
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Civil Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Road Paving Structures (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The present invention relates to a plant mix type modifier for asphalt pavement, a premix type modified asphalt binder, and a multiple layer low noise drainage composition using the same, and to improve viscosity and crack resistance of asphalt.
To achieve this, the plant mix type modifier of the present invention comprises 25 to 35% by weight of a high molecular weight SBS having a molecular weight of 250,000 to 350,000, 10 to 30% by weight of a low molecular weight SBS having a molecular weight of 30,000 to 120,000, And the antioxidant is 0.1 to 3% by weight based on 100% by weight of the asphalt, 3 to 15% by weight of the asphalt, 2 to 12% by weight of gylonite, 1 to 4% by weight of grahamite, 5 to 20% .
Also, the premix type modified asphalt binder contains 5 to 20% by weight of a high molecular weight SBS having a molecular weight of 250,000 to 350,000, 40 to 55% by weight of a low molecular weight SBS having a molecular weight of 30,000 to 120,000, 5 to 15% A mixture of 3 to 15% by weight of asphalt, 2 to 12% by weight of gilsonite, 10 to 20% by weight of a petroleum resin and 0.1 to 3% by weight of an antioxidant is mixed with an asphalt binder, and 80 to 95% by weight of an asphalt binder And 3 to 20% by weight of the mixture is mixed.

Description

TECHNICAL FIELD [0001] The present invention relates to an asphalt pavement plant mix type modifier and a premix type modified asphalt binder, and a double layered low noise aspiration asphalt composition using the same. BACKGROUND ART [0002]

The present invention relates to an asphalt modifier and a modified asphalt binder, and more particularly to a modifier and an asphalt binder composition which are added to improve physical properties of asphalt.

Generally, ascon is a mixture of asphalt, coarse aggregate, fine aggregate, and filler (limestone powder, slaked lime, cement, etc.) and is widely used as a packaging material for road pavement and parking lot.

Such an ascon is a mixture of asphalt and aggregate and is called a hot mix asphalt because it is produced by heating them.

The asphalt pavement or the asphalt (asphalt concrete) produced by this process also have a severe behavior change due to the temperature change since the state of the asphalt changes with temperature. Due to these characteristics, asphalt pavement used for road pavement is plastically deformed due to ductility in the high temperature environment in summer and brittle cracking occurs in the low temperature environment in winter.

In addition, factors affecting fatigue cracking of asphalt pavement include many factors such as combination of pavement cross - sectional structure, physical properties of asphalt binder, aggregate physical properties and porosity, pavement structure and traffic. Among these elements, a general method for improving the resistance to fatigue cracking of asphalt pavement is to improve the physical properties of the asphalt binder.

One of the most commonly used methods of improving the physical properties of asphalt binders is to add modifiers to the asphalt binder. One of the main purposes of asphalt modifiers is to increase the resistance to permanent deformation at high temperatures without harming the properties of the asphalt at low temperatures.

As a conventional example of such an asphalt modifier, Patent Registration No. 835670 discloses a technique related to "asphalt modifier and thus a mixture of asphalt binder and asphalt. &Quot;

However, in the above-mentioned prior art, there is a problem that the viscosity of the modifier is relatively low, resistance to impact is weak, and crack resistance is weak.

It is an object of the present invention to provide a modifier having excellent viscosity and high elasticity to provide excellent modulus of resistance against impact and a mixture thereof.

To achieve the above object, the present invention provides a modifier for asphalt pavement plant mix type modifier comprising 25 to 35% by weight of a high molecular weight SBS having a molecular weight of 250,000 to 350,000, 10 to 30% by weight of a low molecular weight SBS having a molecular weight of 30,000 to 120,000, 3 to 10% by weight of the asphalt, 3 to 15% by weight of the asphalt, 2 to 12% by weight of the gillsonite, 1 to 4% by weight of the grahamite, 5 to 20% by weight of the petroleum resin and 0.1 to 3% .

The premix type modified asphalt binder of the present invention may further contain 1 to 15% by weight of high molecular weight SBS having a molecular weight of 250,000 to 350,000, 40 to 55% by weight of low molecular weight SBS having a molecular weight of 30,000 to 120,000, 5 to 15% A mixture of 3 to 15 wt% of asphalt, 2 to 12 wt% of ginsenosite, 10 to 20 wt% of a petroleum resin and 0.1 to 3 wt% of an antioxidant is mixed with an asphalt binder, and asphalt binders 80 to 95 And 5 to 20% by weight of the mixture is mixed in the weight%.

In the present invention, the modifier is mixed with asphalt to improve the viscosity of the asphalt, and exhibits an excellent crack resistance due to the strengthening of the elastic force when the impact is generated.

In particular, the premix-type modified asphalt binder to which such a modifier is added is mixed at the time of producing the ascon mixture, thereby achieving the effect of reducing the asphalt noise and increasing the drainage efficiency.

Hereinafter, a specific embodiment of the present invention will be described.

First, the composition of the plant mix type modifier for the double-layer low-noise drainable asphalt pavement in the present invention is 25 to 35% by weight of high molecular weight SBS (styrene-butadiene-styrene) having a molecular weight of 250,000 to 350,000, 10 to 30% by weight of SBS, 3 to 10% by weight of Portland cement, 3 to 15% by weight of bronze asphalt, 2 to 12% by weight of ginsenoside, 1 to 4% by weight of grahamite, 5 to 20% And 0.1 to 3% by weight of an inhibitor.

As an example, 30 wt% of high molecular weight SBS, 24 wt% of low molecular weight SBS, 10 wt% of Portland cement, 10 wt% of bronze asphalt, 10 wt% of gylonite, 3 wt% of grahamite, %, And the antioxidant is 3% by weight.

Further, in the case of the premix type, a mixture of 1 to 15 wt% of a high molecular weight SBS having a molecular weight of 250,000 to 350,000, 40 to 55 wt% of a low molecular weight SBS having a molecular weight of 30,000 to 120,000, 5 to 15 wt% of a sulfide, Wherein a mixture of 3 to 15 wt% of ginsenoside, 2 to 12 wt% of ginsenoside, 10 to 20 wt% of petroleum resin and 0.1 to 3 wt% of antioxidant is mixed with asphalt binder, 3 to 20% by weight of the mixture is preferably mixed.

The premix type asphalt binder of the present invention to which such a plant mix type modifier is added is mixed with asphalt to form a double layer low noise drainable asphalt composition comprising an upper layer and a lower layer.

That is, as a first embodiment of the multiple-layer low-noise drainable asphalt composition of the present invention, the lower layer is composed of 80 to 95% by weight of a coarse aggregate having a particle diameter of 10 to 20 mm, 1 to 15% by weight of a fine aggregate having a particle diameter of 6 mm or less, By weight, 3 to 8% by weight of asphalt, and 0.15 to 1.6% by weight of the plant mix type modifier.

The upper layer contains 80 to 95% by weight of coarse aggregate having a particle diameter of 5 to 10 mm, 1 to 15% by weight of fine aggregate having a particle diameter of 6 mm or less, 2 to 10% by weight of calcined or slaked lime, 3 to 8% by weight of asphalt, To 1.6% by weight.

Since the high molecular weight and the low molecular weight SBS are mixed in an appropriate ratio to the asphalt modifier, the high-temperature and low-temperature performance of the multi-layer low-noise drainable asphalt composition of the present invention having such composition is improved when mixed with asphalt.

Particularly, the viscosity of the asphalt mixed with the Portland cement mixed with the modifier is improved, and the asphalt of the bronze has a small heat resistance, humidity-sensitive elongation, thus securing long-term commonality.

In addition, Gilsonite has a high resistance to impact by imparting high elasticity function of asphalt and has an advantage of excellent crack resistance due to elastic force.

In addition, grahamite has the advantage of being able to disperse quickly as a dissolution catalyst.

In the second embodiment of the present invention, the lower layer comprises 80 to 95% by weight of a coarse aggregate having a particle size of 10 to 20 mm, 1 to 15% by weight of fine aggregate having a particle size of 6 mm or less, 2 to 10% by weight of a limestone or slaked lime, Wherein the upper layer comprises 80 to 95% by weight of a coarse aggregate having a particle diameter of 5 to 10 mm, 1 to 15% by weight of a fine aggregate having a particle diameter of 6 mm or less, 2 to 10% by weight of a limestone or slaked lime % Of the pre-mix type modified asphalt binder, and 3.5 to 8 wt% of the premix type modified asphalt binder.

Although specific embodiments of the present invention have been described and illustrated above, it is to be understood that the modifier and asphalt binder composition of the present invention can be variously modified by those skilled in the art.

It should be understood, however, that such modified embodiments should not be understood individually from the spirit and scope of the invention, and such modified embodiments are intended to be included within the scope of the appended claims.

Claims (4)

25 to 35 wt% of a high molecular weight SBS having a molecular weight of 250,000 to 350,000, 10 to 30 wt% of a low molecular weight SBS having a molecular weight of 30,000 to 120,000, 3 to 10 wt% of Portland cement, 3 to 15 wt% of a bronze asphalt, Wherein the mixture composition comprises 2 to 12 wt% of nitrate, 1 to 4 wt% of grahamite, 5 to 20 wt% of petroleum resin, and 0.1 to 3 wt% of antioxidant. 1 to 15 wt% of a high molecular weight SBS having a molecular weight of 250,000 to 350,000, 40 to 55 wt% of a low molecular weight SBS having a molecular weight of 30,000 to 120,000, 5 to 15 wt% of a sulfide, 3 to 15 wt% of a bronze asphalt, 2 to 12% by weight of petroleum resin, 10 to 20% by weight of petroleum resin and 0.1 to 3% by weight of antioxidant are mixed with asphalt binder, and 3 to 20% by weight of the mixture is mixed with 80 to 95% by weight of asphalt binder A pre-mix type modified asphalt binder The lower layer comprises 80 to 95% by weight of a coarse aggregate having a particle diameter of 10 to 20 mm, 1 to 15% by weight of a fine aggregate having a particle diameter of 6 mm or less, 2 to 10% by weight of calcined or slaked lime, 3 to 8% by weight of an asphalt, 0.15 to 1.6% by weight;
The upper layer comprises 80 to 95% by weight of coarse aggregate having a particle diameter of 5 to 10 mm, 1 to 15% by weight of fine aggregate of 6 mm or less in particle diameter, 2 to 10% by weight of calcined or slaked lime, 3 to 8% by weight of asphalt, 0.15 ~ 1.6 wt.%, Based on the total weight of the asphalt pavement mix type modifier. The lower layer comprises 80 to 95% by weight of a coarse aggregate having a particle diameter of 10 to 20 mm, 1 to 15% by weight of a fine aggregate of 6 mm or less in particle diameter, 2 to 10% by weight of a limestone or slaked lime, 3.5 to 8% by weight of a premix type modified asphalt binder of claim 2, ≪ / RTI >
The upper layer comprises 80 to 95% by weight of coarse aggregate having a particle diameter of 5 to 10 mm, 1 to 15% by weight of fine aggregate of 6 mm or less in particle size, 2 to 10% by weight of calcined or slaked lime, 3.5 to 8% by weight of the premix type modified asphalt binder of claim 2, Wherein the composition of the asphalt-modified asphalt binder is selected from the group consisting of silica,
KR1020160004268A 2016-01-13 2016-01-13 Plant mix type asphalt modifier and pre mix type asphalt binder and asphalt mixture KR101778150B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101953816B1 (en) * 2018-08-13 2019-03-06 도경건설 주식회사 Low Noise And Porous Modified Asphalt Binder Composition Having Improved Anti-Icing And Durability
KR101961272B1 (en) * 2018-11-13 2019-03-22 주식회사 지케이기술연구소 Double layer Asphalt Concrete Composition Which Comprising SIS, SBS and Aggregate-powder of Improved Grain Size Having Low Noise and Permeable and Constructing Methods Using Thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102000647B1 (en) * 2018-12-26 2019-07-16 주식회사 포이닉스 Multi layer asphalt construction method
KR20210080848A (en) 2019-12-23 2021-07-01 주식회사 포이닉스 Formulation of Recycled Asphalt Binder using Recycled LDPE and SBS and Fabrication Assemblies Using It
KR102150830B1 (en) 2020-07-02 2020-09-01 (주)퓨리이노베이션 PG 82-34 Grade high performance drainable asphalt composition and its manufacturing method through Friedel-Crafts chemical reaction
KR102246443B1 (en) 2020-11-16 2021-04-30 광덕아스콘 주식회사 Layering system for absorbing noise by stacking selected aggregate
KR102242826B1 (en) 2020-12-03 2021-04-22 주식회사 포이닉스 Wet type high performance modified asphalt binder and asphalt composition using same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100835670B1 (en) * 2007-11-16 2008-06-09 주식회사 포이닉스 Asphalt modifier and asphalt binder and asphalt mixture
KR101046746B1 (en) * 2010-06-11 2011-07-06 주식회사 포이닉스 Modified asphalt composition and low noise type paved lmc material composition

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101953816B1 (en) * 2018-08-13 2019-03-06 도경건설 주식회사 Low Noise And Porous Modified Asphalt Binder Composition Having Improved Anti-Icing And Durability
KR101961272B1 (en) * 2018-11-13 2019-03-22 주식회사 지케이기술연구소 Double layer Asphalt Concrete Composition Which Comprising SIS, SBS and Aggregate-powder of Improved Grain Size Having Low Noise and Permeable and Constructing Methods Using Thereof

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