WO2023032609A1 - Liant d'asphalte et mélange d'asphalte pour pavage - Google Patents

Liant d'asphalte et mélange d'asphalte pour pavage Download PDF

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Publication number
WO2023032609A1
WO2023032609A1 PCT/JP2022/030321 JP2022030321W WO2023032609A1 WO 2023032609 A1 WO2023032609 A1 WO 2023032609A1 JP 2022030321 W JP2022030321 W JP 2022030321W WO 2023032609 A1 WO2023032609 A1 WO 2023032609A1
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WIPO (PCT)
Prior art keywords
asphalt
mass
plastic
paving
asphalt binder
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PCT/JP2022/030321
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English (en)
Japanese (ja)
Inventor
尚之 小早川
智至 ▲高▼田
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Ｅｎｅｏｓ株式会社
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Application filed by Ｅｎｅｏｓ株式会社 filed Critical Ｅｎｅｏｓ株式会社
Priority to JP2023545397A priority Critical patent/JPWO2023032609A1/ja
Priority to CN202280057792.9A priority patent/CN117836374A/zh
Publication of WO2023032609A1 publication Critical patent/WO2023032609A1/fr

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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
    • C08L101/00—Compositions of unspecified macromolecular compounds
    • 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
    • C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C7/00—Coherent pavings made in situ
    • E01C7/08—Coherent pavings made in situ made of road-metal and binders
    • E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
    • E01C7/26—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders mixed with other materials, e.g. cement, rubber, leather, fibre

Definitions

  • the present disclosure relates to asphalt binders and asphalt mixtures for paving.
  • Asphalt mixtures used for pavement contain at least aggregate such as crushed stone and asphalt binder.
  • Polymer-modified asphalts to which elastomers such as styrene-butadiene-styrene block copolymers (SBS) are added are known as asphalt binders.
  • SBS styrene-butadiene-styrene block copolymers
  • waste plastics have been used as raw materials (aggregates, etc.) for asphalt mixtures for paving as material recycling of industrial waste plastics (waste plastics). (See Patent Documents 1 to 6 below.)
  • aggregates made of plastic such as waste plastic (plastic aggregates) are lighter than conventional aggregates.
  • the surface of the plastic aggregate is smoother than that of the conventional aggregate.
  • the surface of the plastic aggregate is curved like a cylindrical (pellet) or spherical particle, point contact or line contact between the plastic aggregates may occur, but meshing and friction between the plastic aggregates is difficult to occur. That is, even if the asphalt binder fixes the arrangement of the aggregates, physical interference between the aggregates cannot be expected, and the structural strength of the pavement is significantly reduced.
  • pavements formed from conventional asphalt mixtures containing plastic aggregates must exert their structural strength primarily due to the adhesive forces possessed by the asphalt binder and have a sufficiently high dynamic stability (unit: times/mm).
  • the dynamic stability is a value measured by a wheel tracking test (standard number: pavement survey/test method handbook B003).
  • An object of one aspect of the present invention is to provide an asphalt binder that enables pavement with excellent dynamic stability and is difficult to exude from the asphalt mixture for paving, and an asphalt mixture for paving containing the asphalt binder.
  • One aspect of the present invention relates to the following asphalt binder and paving asphalt mixture.
  • thermoplastic resin is at least one polyolefin selected from the group consisting of low-density polyethylene, linear polyethylene and high-density polyethylene.
  • an asphalt binder that enables pavement with excellent dynamic stability and is difficult to exude from the asphalt mixture for paving, and an asphalt mixture for paving containing the asphalt binder are provided.
  • the asphalt binder according to this embodiment contains straight asphalt and thermoplastic resin.
  • the content of the thermoplastic resin in the asphalt binder is 15% by mass or more.
  • the content of the thermoplastic resin in the asphalt binder may be 30% by mass or more.
  • the pavement formed from the asphalt mixture containing the asphalt binder and aggregate can have high dynamic stability. That is, since the content of the thermoplastic resin in the asphalt binder is 15% by mass or more, a sufficiently high dynamic stability is achieved. As the content of thermoplastic resin increases, the dynamic stability of the pavement tends to increase. Pavements formed using asphalt binders according to the present embodiments can have greater dynamic stability than pavements formed using conventional polymer-modified asphalts.
  • exudation of the asphalt binder from the asphalt mixture is suppressed. That is, since the content of the thermoplastic resin in the asphalt binder is 15% by mass or more, the exudation of the asphalt binder from the asphalt mixture is sufficiently suppressed. As the content of the thermoplastic resin increases, the viscosity of the asphalt binder increases, and the exudation of the asphalt binder from the asphalt mixture is easily suppressed. In other words, as the content of thermoplastic resin decreases, the natural properties of straight asphalt become more pronounced, the viscosity of the asphalt binder decreases, and the asphalt binder tends to exude from the asphalt mixture.
  • the asphalt binder may contain only one type of thermoplastic resin as the thermoplastic resin.
  • the asphalt binder may contain multiple types of thermoplastic resins. That is, multiple types of thermoplastic resins may be mixed in the asphalt binder.
  • the thermoplastic resin is used so that the viscosity of the asphalt mixture at the time of mixing is in an appropriate range. are selected, and their mixing ratio may be adjusted.
  • the thermoplastic resin content is the total content of the multiple types of thermoplastic resins.
  • the content of the thermoplastic resin in the asphalt binder is 15% by mass to 70% by mass, 15% by mass to 63% by mass, 15% by mass to 50% by mass, 30% by mass to 70% by mass, It may be 30% by mass or more and 63% by mass or less, or 30% by mass or more and 50% by mass or less.
  • the content of straight asphalt in the asphalt binder is 30% by mass to 85% by mass, 37% by mass to 85% by mass, 50% by mass to 85% by mass, 30% by mass to 70% by mass, 37 It may be 50% by mass or more and 70% by mass or less, or 50% by mass or more and 70% by mass or less.
  • Asphalt binders do not contain aggregates.
  • the asphalt binder may consist only of straight asphalt and thermoplastic resin.
  • the asphalt binder according to this embodiment may not contain the thermoplastic elastomer contained in conventional polymer-modified asphalt.
  • thermoplastic resin contained in the asphalt binder is not limited.
  • the thermoplastic resin may be at least one of polyethylene, polypropylene, polybutene, polybutadiene, polystyrene, polyvinyl chloride, polyvinylidene chloride, and ABS resin (a copolymer of acrylonitrile, butadiene and styrene).
  • the thermoplastic resin may preferably be at least one polyolefin selected from the group consisting of polyethylene, polypropylene, polybutene and polybutadiene.
  • the asphalt mixture for pavement contains the above-described asphalt binder and aggregate. At least some of the aggregate may be plastic.
  • the asphalt binder may be used in paving asphalt mixtures containing aggregates made of plastic (plastic aggregates).
  • Asphalt binders may be used in paving asphalt mixtures containing aggregates made of materials other than plastics (non-plastic aggregates).
  • the aggregates contained in the paving asphalt mixture may be plastic aggregates only.
  • the aggregate contained in the asphalt mixture may be exclusively non-plastic aggregate. Paving asphalt mixtures may contain both plastic and non-plastic aggregates.
  • the pavement can have a high degree of dynamic stability, and exudation of the asphalt binder from the asphalt mixture is suppressed.
  • the inventors speculate that the pavement has greater dynamic stability and inhibits asphalt binder exudation from the asphalt mixture due to the following mechanism.
  • Thermoplastic resin like the plastic aggregate, is an organic substance, so the thermoplastic resin has a chemical affinity for the plastic aggregate.
  • the thermoplastic resin contained in the asphalt binder tends to entangle a plurality of adjacent aggregates as fine fibers melted or dissolved in the straight asphalt. As a result, a plurality of aggregates are fixed to each other via the thermoplastic resin.
  • straight asphalt clings to thermoplastic resin that is entwined with multiple aggregates. As a result, multiple aggregates are firmly fixed to each other through the thermoplastic resin and the straight asphalt, increasing the dynamic stability of the pavement containing plastic aggregates.
  • thermoplastic resin increases the viscosity of the asphalt binder, thereby suppressing exudation of the asphalt binder from the asphalt mixture.
  • conventional asphalt mixtures containing non-plastic aggregates such as crushed stone contain stone dust (filler) to increase the mechanical strength of pavements formed from conventional asphalt mixtures.
  • stone powder which is an inorganic substance, does not have a chemical affinity for plastic aggregates.
  • stone dust since stone dust is particles, stone dust cannot be entangled with a plurality of adjacent aggregates. Therefore, it is difficult to increase the dynamic stability of pavement containing plastic aggregate only with conventional stone powder, and it is difficult to suppress exudation of asphalt binder from the asphalt mixture.
  • At least part of the thermoplastic resin contained in the asphalt binder may be at least one polyolefin selected from the group consisting of low-density polyethylene, linear polyethylene and high-density polyethylene. All thermoplastic resins contained in the asphalt binder may be at least one polyolefin selected from the group consisting of low-density polyethylene, linear polyethylene and high-density polyethylene.
  • the thermoplastic resin is at least one polyolefin selected from the group consisting of low-density polyethylene, linear polyethylene and high-density polyethylene, the dynamic stability of the pavement (especially the dynamic stability of the pavement containing plastic aggregate) is It is easy to increase, and the exudation of the asphalt binder from the asphalt mixture is easy to be suppressed.
  • thermoplastic resin is at least one polyolefin selected from the group consisting of low-density polyethylene, linear polyethylene and high-density polyethylene
  • the low-density polyethylene, linear polyethylene and high-density polyethylene easily melt in straight asphalt. mechanism may occur easily.
  • the dynamic stability of pavement especially the dynamic stability of pavement containing plastic aggregate
  • the thermoplastic resin is low-density polyethylene
  • linear polyethylene and high density polyethylene it is preferable to include at least one of low density polyethylene and linear polyethylene.
  • Low Density Polyethylene (LDPE) is a randomly branched, crystalline polyethylene.
  • the density (specific gravity) of low-density polyethylene may be 0.910 or more and less than 0.930.
  • Linear polyethylene Linear Low Density Polyethylene; L-LDPE
  • L-LDPE Linear Low Density Polyethylene
  • Linear polyethylene may be polyethylene defined by Japanese Industrial Standards (JIS K6899-1:2000). That is, the linear polyethylene may be a linear polyethylene copolymer having a density (specific gravity) of 0.910 or more and 0.925 or less.
  • Linear polyethylene may be rephrased as linear low-density polyethylene.
  • High Density Polyethylene HDPE is a crystalline linear polyethylene. The density (specific gravity) of high-density polyethylene may be 0.942 or more. High density polyethylene may be referred to as rigid polyethylene.
  • thermoplastic resin may be melted or dissolved in the straight asphalt. All thermoplastic resins may be melted or dissolved in the straight asphalt.
  • the dynamic stability of the pavement especially the dynamic stability of the pavement containing plastic aggregate
  • the exudation of the asphalt binder from the asphalt mixture is easily suppressed. If the thermoplastic resin is melted or dissolved in the straight asphalt, the above mechanism may easily occur.
  • Plastic aggregates include, for example, polystyrene, polyolefins (polyethylene, polypropylene, polybutene, polybutadiene, etc.), polyethylene terephthalate, polyamides, polycarbonates, polyurethanes, ABS resins, foamed polyurethanes, unsaturated polyester resins and epoxy resins. At least one kind of plastic made of resin may be used.
  • a paving asphalt mixture may contain aggregates of different compositions.
  • the shape of the plastic aggregate is not limited.
  • the plastic aggregate may be cylindrical pellets or spherical particles.
  • the plastic aggregate may be distorted particles.
  • the dimensions of the plastic aggregate are not particularly limited.
  • the plastic aggregate may have a single particle size (eg, particle size within the range of 3-5 mm).
  • the plastic aggregate may have a particle size distribution suitable for paving like conventional aggregate (eg, dense grain 13 described below). According to this embodiment, the dynamic stability of the pavement can be increased even if the plastic aggregate does not have a particle size distribution suitable for pavement.
  • At least part of the plastic contained in the aggregate may be waste plastic. That is, some or all of the plastic aggregate may be waste plastic. All aggregates contained in paving asphalt mixtures may be waste plastics. As a material recycling of waste plastic, the cost of pavement is reduced by using waste plastic as an aggregate of asphalt mixture for pavement.
  • the proportion of plastic in the aggregate may be 0% by mass to 100% by mass, 50% by mass to 100% by mass, 85% by mass to 100% by mass, or 90% by mass to 100% by mass.
  • the proportion of the plastic aggregate in the asphalt mixture for paving is 0% by mass or more and 100% by mass or less, 50% by mass or more and 100% by mass or less with respect to the total mass of all aggregates contained in the asphalt mixture for paving. , 85% by mass or more and 100% by mass or less, or 90% by mass or more and 100% by mass or less.
  • the paving asphalt mixture according to this embodiment can contain a higher amount of plastic aggregate than conventional paving asphalt mixtures without compromising the dynamic stability of the pavement. As a result, a larger amount of waste plastic than before can be used as the aggregate of the asphalt mixture for pavement.
  • Straight asphalt is a bituminous substance obtained by vacuum distillation of crude oil. That is, the straight asphalt may be the remainder (vacuum residue) of crude oil excluding the light fraction.
  • the quality of straight asphalt is defined by Japanese Industrial Standards (JIS K2207).
  • straight asphalt may be at least one kind of asphalt selected from the group consisting of straight asphalt 40-60, straight asphalt 60-80, straight asphalt 80-100 and straight asphalt 150-200.
  • the aggregate made of substances other than plastic may be, for example, at least one aggregate selected from the group consisting of crushed stone, stone dust, lime, sand, gravel, and steel slag.
  • the proportion of the non-plastic aggregate in the aggregate may be 0% to 100% by mass, 0% to 50% by mass, or 0% to 15% by mass.
  • the proportion of non-plastic aggregate in the asphalt mixture for paving is 0% by mass or more and 100% by mass or less, 0% by mass or more and 50% by mass with respect to the total mass of all aggregates contained in the asphalt mixture for paving or less, or 0% by mass or more and 15% by mass or less.
  • the content of aggregate (plastic aggregate and non-plastic aggregate) in the asphalt mixture for paving is 64.0% by mass or more and 95.0% by mass or less, or 66.7% by mass or more and 87.0% by mass or less. It can be.
  • the content of the asphalt binder in the paving asphalt mixture may be from 5.0% to 36.0% by weight, or from 13.0% to 33.3% by weight.
  • the content of the thermoplastic resin in the asphalt mixture for paving is 0.7% by mass or more and 25.2% by mass or less, 1.9% by mass or more and 16.7% by mass or less, or 0.9% by mass or more and 14.5% by mass. % by mass or less.
  • the content of straight asphalt in the asphalt mixture for paving is 1.5% by mass or more and 30.6% by mass or less, 6.5% by mass or more and 28.3% by mass or less, or 4.8% by mass or more and 28.3% by mass. % or less.
  • the pavement tends to have high dynamic stability, and the exudation of the asphalt binder from the asphalt mixture tends to be suppressed.
  • At least one of the asphalt binder and the paving asphalt mixture comprises a styrene-butadiene-styrene block copolymer (SBS), a styrene-isoprene-styrene block copolymer (SIS), and a styrene-ethylene-butylene-styrene block copolymer. It may further contain at least one thermoplastic elastomer selected from the group consisting of polymers (SEBS).
  • SEBS thermoplastic elastomer selected from the group consisting of polymers
  • the content of the thermoplastic resin in the asphalt binder according to the present embodiment means the content of the thermoplastic resin excluding the thermoplastic elastomer.
  • the asphalt binder may be produced by mixing the above components such as straight asphalt and thermoplastic resin while heating at 160-240°C. By mixing at the above temperature, the thermoplastic resin is easily melted in the straight asphalt, and combustion of light oil remaining in the asphalt binder can be suppressed.
  • a paving asphalt mixture may be produced by mixing the above components, such as the asphalt binder and aggregate, with heating at 160-200°C.
  • the paving asphalt mixture heats the above components, such as the asphalt binder and plastic aggregate, at a temperature that is below the melting point of the plastic aggregate (for example, 130 to 160 ° C).
  • a temperature that is below the melting point of the plastic aggregate for example, 130 to 160 ° C.
  • Plastic aggregate (PS) mentioned below means an aggregate consisting of polystyrene.
  • Plastic aggregates (PS) are cylindrical pellets produced by material recycling of industrial waste (waste plastic).
  • Dense-grained 13 (crushed stone), described below, refers to coarse and fine aggregates for the dense-grained asphalt mixture 13 .
  • Dense grains 13 are non-plastic aggregates.
  • Modified asphalt described below means polymer modified asphalt type II as defined by pavement design and construction guidelines. Pavement Design and Construction Guidelines are issued by the Japan Road Association.
  • the asphalt binders used in Examples 1-8 were prepared by mixing straight asphalt and low density polyethylene (LDPE), including linear polyethylene (L-LDPE).
  • LDPE low density polyethylene
  • L-LDPE linear polyethylene
  • the content of straight asphalt in the asphalt binder was 85% by mass.
  • the content of low density polyethylene (LDPE including L-LDPE) in the asphalt binder was 15% by weight.
  • the content of low density polyethylene in the asphalt binder is expressed as LDPE/(Asp+LDPE) in Table 1 below.
  • the asphalt binder used in Example 9 was prepared by mixing straight asphalt and low density polyethylene (LDPE).
  • the content of straight asphalt in the asphalt binder was 70% by mass.
  • the content of low density polyethylene in the asphalt binder was 30% by weight.
  • the low density polyethylene (LDPE) used in Example 9 did not contain linear polyethylene (L-LDPE).
  • the asphalt binder used in Example 10 was prepared by mixing straight asphalt and low density polyethylene (LDPE).
  • the content of straight asphalt in the asphalt binder was 37.3% by mass.
  • the content of low density polyethylene in the asphalt binder was 62.7% by weight.
  • the low density polyethylene (LDPE) used in Example 10 also did not contain linear polyethylene (L-LDPE).
  • the asphalt binder used in Comparative Example 6 was prepared by mixing straight asphalt and low density polyethylene (LDPE) containing linear polyethylene (L-LDPE).
  • LDPE low density polyethylene
  • L-LDPE linear polyethylene
  • the content of straight asphalt in the asphalt binder was 95% by mass.
  • the content of low-density polyethylene (LDPE including L-LDPE) in the asphalt binder was 5% by mass.
  • the asphalt binder used in Comparative Example 7 was prepared by mixing straight asphalt and low density polyethylene (LDPE) containing linear polyethylene (L-LDPE).
  • LDPE low density polyethylene
  • L-LDPE linear polyethylene
  • the content of straight asphalt in the asphalt binder was 90% by mass.
  • the content of low density polyethylene (LDPE including L-LDPE) in the asphalt binder was 10% by weight.
  • the paving asphalt mixtures of Examples 6 and 7, respectively, were prepared by mixing the asphalt binder and dense granules 13.
  • the paving asphalt mixture of Example 8 was prepared by mixing asphalt binder, dense granules 13 and stone flour.
  • a paving asphalt mixture of Comparative Example 1 was prepared by mixing straight asphalt, dense grain 13 and stone dust.
  • ⁇ Cantabro test (standard number: pavement survey and test method manual B010)> Cylindrical specimens were formed from paving asphalt mixtures. The mass Mi of the sample was measured. After measuring the mass Mi, the sample was placed in a Los Angeles tester (rotatable drum). The Los Angeles testing machine containing the sample was rotated 300 times in a room temperature environment. The rotation speed of the Los Angeles tester was adjusted to 30-33 rpm. After 300 rotations of the Los Angeles tester, the mass Mf of the sample removed from the Los Angeles tester was measured.
  • the strength of the asphalt binder to bind the aggregates together is greater, the detachment of the aggregates from the sample due to the rotation of the Los Angeles tester is suppressed, and the mass of the sample is less likely to decrease. That is, the greater the strength of the asphalt binder to bind the aggregates together, the smaller the Cantabro loss rate.
  • the smaller the Cantabro loss rate the more difficult it is for aggregates to detach from pavement due to vehicle traffic. Therefore, it is preferable that the Cantabro loss factor is small.
  • Pavements flat samples were formed from paving asphalt mixtures.
  • a load (0.63 MPa) was applied to the surface of the sample by pressing a solid rubber tire against the flat surface of the sample. While applying a load to the surface of the sample, the tire was reciprocated in the longitudinal direction at a speed of 42 times ⁇ 1 time/min. The tire cycle was repeated for 60 minutes while maintaining the temperature of the sample at 60°C.
  • the depth Di (unit: mm) of the rut formed on the surface of the sample was measured at time Ti, 45 minutes after the start of reciprocation of the tire.
  • the depth Df of the rut formed on the surface of the sample was measured at time Tf, 60 minutes after the start of reciprocation of the tire.
  • the dynamic stability S was calculated by Equation 2 below.
  • N in Equation 2 is the number of reciprocations (unit: times) of the tire from time Ti to time Tf.
  • S N/(Df ⁇ Di) (2)
  • the dynamic stability (unit: times/mm) of Examples 1 to 10 and Comparative Examples 1 to 5 are shown in Table 1 below.
  • "NG" shown in Table 1 below means that deep ruts were formed on the surface of the sample in just a few minutes. In other words, the paving asphalt mixtures of Comparative Examples 2-5, respectively, were significantly inferior to the paving asphalt mixtures of Examples 1-10, respectively, in dynamic stability.
  • the asphalt binder according to the invention is used as a component of paving asphalt mixtures.

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

Abstract

L'invention concerne un liant d'asphalte qui permet un pavage avec une excellente stabilité dynamique et réduit le risque d'exsudation depuis un mélange d'asphalte pour le pavage. Le liant d'asphalte comprend de l'asphalte pur et une résine thermoplastique. La teneur en résine thermoplastique dans le liant d'asphalte est de 15 % en masse ou plus.
PCT/JP2022/030321 2021-08-30 2022-08-08 Liant d'asphalte et mélange d'asphalte pour pavage WO2023032609A1 (fr)

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JP2023545397A JPWO2023032609A1 (fr) 2021-08-30 2022-08-08
CN202280057792.9A CN117836374A (zh) 2021-08-30 2022-08-08 沥青粘结剂和铺装用沥青混合物

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JP2021140115 2021-08-30
JP2021-140115 2021-08-30

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06192578A (ja) * 1992-12-25 1994-07-12 Atsuhiro Honda アスファルト舗装混合物の製造方法
JP2002322604A (ja) * 2001-04-25 2002-11-08 San & Shii Consultant Kk 舗装用バインダの製造方法、舗装方法及びバインダ材
JP2004218283A (ja) * 2003-01-15 2004-08-05 Koichiro Kimura 舗装用バインダ、舗装用透水性レジンモルタル、および排水性舗装の機能維持および強化方法
JP2006143954A (ja) * 2004-11-24 2006-06-08 Hiroshima Industrial Promotion Organization 改質アスファルト、改質アスファルトの製造方法及びアスファルト混合物
JP2011148928A (ja) * 2010-01-22 2011-08-04 Fukuda Road Construction アスファルト混合物
CN103709770A (zh) * 2013-12-26 2014-04-09 中华人民共和国泰州出入境检验检疫局 一种聚乙烯/橡胶粉共混改性沥青及其制备方法
CN103804927A (zh) * 2012-11-07 2014-05-21 中国石油化工股份有限公司 一种沥青混合料改性剂及其制备方法
CN103923473A (zh) * 2013-01-15 2014-07-16 上海市政工程设计研究总院（集团）有限公司 一种环保型沥青混合料温拌改性剂及其制备方法

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06192578A (ja) * 1992-12-25 1994-07-12 Atsuhiro Honda アスファルト舗装混合物の製造方法
JP2002322604A (ja) * 2001-04-25 2002-11-08 San & Shii Consultant Kk 舗装用バインダの製造方法、舗装方法及びバインダ材
JP2004218283A (ja) * 2003-01-15 2004-08-05 Koichiro Kimura 舗装用バインダ、舗装用透水性レジンモルタル、および排水性舗装の機能維持および強化方法
JP2006143954A (ja) * 2004-11-24 2006-06-08 Hiroshima Industrial Promotion Organization 改質アスファルト、改質アスファルトの製造方法及びアスファルト混合物
JP2011148928A (ja) * 2010-01-22 2011-08-04 Fukuda Road Construction アスファルト混合物
CN103804927A (zh) * 2012-11-07 2014-05-21 中国石油化工股份有限公司 一种沥青混合料改性剂及其制备方法
CN103923473A (zh) * 2013-01-15 2014-07-16 上海市政工程设计研究总院（集团）有限公司 一种环保型沥青混合料温拌改性剂及其制备方法
CN103709770A (zh) * 2013-12-26 2014-04-09 中华人民共和国泰州出入境检验检疫局 一种聚乙烯/橡胶粉共混改性沥青及其制备方法

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TW202325798A (zh) 2023-07-01
JPWO2023032609A1 (fr) 2023-03-09

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