WO2004076554A1 - 舗装用樹脂組成物、舗装用アスファルト組成物及び舗装用アスファルト組成物の製造方法 - Google Patents
舗装用樹脂組成物、舗装用アスファルト組成物及び舗装用アスファルト組成物の製造方法 Download PDFInfo
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- WO2004076554A1 WO2004076554A1 PCT/JP2004/002154 JP2004002154W WO2004076554A1 WO 2004076554 A1 WO2004076554 A1 WO 2004076554A1 JP 2004002154 W JP2004002154 W JP 2004002154W WO 2004076554 A1 WO2004076554 A1 WO 2004076554A1
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- Prior art keywords
- resin composition
- pavement
- weight
- paving
- resin
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Classifications
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- 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
- E01C7/30—Coherent pavings made in situ made of road-metal and binders of road-metal and other binders, e.g. synthetic material, i.e. resin
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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
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
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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
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
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- 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
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/02—Ethene
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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
Definitions
- the present invention relates to a pavement resin composition, a pavement asphalt composition, and a method for producing a pavement asphalt composition.
- the present invention relates to a pavement resin composition, a pavement asphalt composition, and a method for producing a pavement asphalt composition, and more particularly, to a pavement asphalt composition which has excellent storage stability and is easily melted when mixed with aggregate.
- Resin composition for pavement which is solid at room temperature
- asphalt composition for pavement and excellent asphalt composition for use in pavement, which is excellent in pigment coloring property and fading resistance, and which can improve workability and work environment using the composition.
- the present invention relates to a method for manufacturing a product. Background art
- pavement surfaces such as sidewalks, plazas, and bridges have been colored in various colors for aesthetic purposes, or for traffic safety measures such as pedestrian crossings and tunnels. So-called colored pavements are made in various cases, such as when coloring for the purpose of enhancing the function of roads, such as bus stops.
- colored pavement there are two types of colored pavement: colored aggregates and pigmented binders.
- the former includes natural products such as silica sand and limestone, and artificial products called light-colored aggregate. These are all white and often expensive.
- Japanese Patent Application Laid-Open No. Sho 51-49532 discloses a natural solid-state thermoplastic resin such as a rosin polyester, an epoxy resin and an extender pigment. Awaishi-dai or flake-like molded bodies composed of chromium and colored pigments are reported. However, instead of mixing and pavement with the aggregate, the resin composition is first heated and melted and paved, and then the aggregate is sprayed. There is a problem in
- Japanese Patent No. 25166445 reports a granular or small asphalt mixture comprising a commercially available asphalt as a thermoplastic resin and an inorganic color pigment powder.
- the thermoplastic resin used here is a resin composition that is sold for so-called color pavement, and is itself semi-solid at room temperature. However, they are merely crushed to a certain size and have a problem that they adhere to each other at room temperature, especially in summer.
- Japanese Patent No. 2562204 discloses water such as alkaline earth metal and zinc sulfate, silicate carbonate, hydroxide, oxide and the like.
- water such as alkaline earth metal and zinc sulfate, silicate carbonate, hydroxide, oxide and the like.
- granulated asphalt obtained by mixing a suspension with a commercially available asphalt and further granulating and drying.
- the feature of this technology is that the above-mentioned fine powder acts as a so-called suspension stabilizer so that the asphalt as an oil component is suspended in water. Since it is as large as 100 parts and these fine powders have a large amount of water, foaming poses a problem when mixed with aggregate to produce a mixture, which is dangerous and takes a long time. And other workability problems.
- Japanese Patent Publication No. 58-104435 discloses a thermoplastic resin such as a petroleum resin, a petroleum plasticizer having an average molecular weight of 200 or more, and a vinyl acetate ethylene copolymer. Reported for mixtures with 1-5 parts by weight.
- a thermoplastic resin such as a petroleum resin, a petroleum plasticizer having an average molecular weight of 200 or more, and a vinyl acetate ethylene copolymer. Reported for mixtures with 1-5 parts by weight.
- the softening point of each resin composition is 45 ° C or less, and it is semi-solid at room temperature. Heating and melting is required, and there is a problem with workability that it is difficult to handle.
- Japanese Patent Application Laid-Open No. 62-189203 discloses that a thermoplastic resin such as a petroleum resin (component A) and a petroleum-based process oil (component B) have a rubber-based thermoplasticity. It is reported that a mixture obtained by mixing 3 to 20 parts by weight of a high molecular weight polymer (component C) and 0.3 to 15 parts by weight of a urethane polymer of a gen-based liquid rubber (component D) is used. However, the softening points of these resin compositions are as low as about 30 to 50 ° C., and are semi-solid at room temperature, which is difficult to handle. Also, Japanese Patent Application Laid-Open No.
- 4-359063 discloses that styrene 'butadiene' styrene resin is used for 100 parts by weight of a base material composed of an aromatic process oil and a dicyclopentadiene petroleum resin.
- a report has been made on a colored pavement binder composition characterized by mixing 2 to 6 parts by weight, and 2 to 6 parts by weight of ethyl acrylate, ethylene ethyl acrylate, or ethylene vinyl acetate. ing.
- the shape of the obtained binder composition and the oil-based liquid material accounts for 50% or more of the total composition, and the obtained resin composition is also a semi-solid substance.
- it is necessary to put in a mixer a material that has been heated and melted in advance using a lorry, etc., and there remains a problem with workability.
- Japanese Patent No. 28688447 discloses a petroleum resin, an aromatic heavy mineral oil, a thermoplastic elastomer and an acid having an average molecular weight in the range of 300 to 100000.
- a binder composition for pavement that requires a liquid maleated organic compound having a value in the range of 100 to 200.
- ethylene monoacetate copolymer etc. can be contained as a thermoplastic elastomer, but the amount used is small, and oil-based liquid substances account for 50% or more of the total composition.
- the obtained resin composition is also a semi-solid substance having a softening point of 50 ° C. or less, and has a problem that it is difficult to handle similarly to the above.
- the shape of the binder composition for empty packaging there is no mention of the shape of the binder composition for empty packaging.
- Japanese Patent Publication No. 49-15469 states that, if necessary, a mixture obtained by heating and mixing 20 to 40% of petroleum resin with polyethylene waste products and polyethylene is used. It has been reported that plasticizers and pigments are mixed. However, according to this method, the meltability and the wettability with the aggregate are not sufficient, and the strength of the mixture with the aggregate is insufficient. As a result, there is a problem in the durability of the pavement surface.
- the present invention provides a road surface that melts in a short time, has excellent wettability and adhesion to aggregates, and has excellent durability without problems such as deformation of the road surface in summer and cracks in winter. It is an object of the present invention to provide a small lump mounting resin composition capable of giving the following.
- the present invention also provides a small-lumped pavement comprising a pigment and a specific thermoplastic resin composition, which can be mixed with an aggregate in a short time without causing problems such as generation of dust even on site.
- An object is to provide a resin composition.
- Another object of the present invention is to provide an asphalt composition for pavement, which has no problem of color fading (fading) over time and is easy to spread on a pavement work surface. Disclosure of the invention
- the inventors of the present invention have conducted intensive studies to solve the above-mentioned problems, and as a result, the desired object has been achieved by making a thermoplastic resin composition containing a specific amount of a specific ethylene-vinyl acetate copolymer into a small mass. They found what they could do and arrived at the present invention.
- the content of vinyl acetate 2 0-4 5 melting temperature weight 0/0 4 0 to 1 0 0 ° is C ethylene monoacetate Bulle copolymer A pavement resin composition characterized in that a thermoplastic resin composition containing 30 to 70% by weight is formed into small lumps.
- the invention according to claim 2 of the present invention is directed to an ethylene resin, wherein the thermoplastic resin composition has a content of butyl acetate of 20 to 45% by weight and a melting temperature of 40 to 100 ° C. 30-70% by weight of the monobutyl acetate copolymer, 30-70% by weight of other thermoplastic resin and viscosity modifier in total, and the viscosity modifier at most
- the invention according to claim 3 of the present invention is the pavement resin composition according to claim 2, wherein the other thermoplastic resin is a petroleum-based resin.
- the viscosity modifier is at least one selected from the group consisting of process oil, liquid rubber, epoxy resin, rosin, and low-density polyethylene. Things.
- the invention according to claim 5 of the present invention is characterized in that the melt flow rate of the ethylene-vinyl acetate copolymer is 50 to 300 g / Omin. 5.
- the invention according to claim 6 of the present invention further comprises: the pigment contains 5 to 50 parts by weight based on 100 parts by weight of the thermoplastic resin composition.
- the invention according to claim 7 of the present invention is characterized in that the size of the small lumps is 2 to 30 mm as an average value of the maximum diameter, and
- the invention according to claim 8 of the present invention comprises the pavement resin composition according to any one of claims 1 to 7, 3 to 10% by weight, and aggregate 97 to 90% by weight.
- An asphalt composition for paving characterized in that:
- the invention according to claim 9 of the present invention is the asphalt for paving according to claim 8, wherein the resin composition for paving and the aggregate are mixed at 150 to 200 ° C. A composition.
- the invention according to claim 10 of the present invention is a method for measuring a pavement resin composition.
- the invention according to claim 11 of the present invention is the method for producing an asphalt composition for mounting according to claim 10, wherein the aggregate is heated to 160 to 220 ° C. in advance. .
- the ethylene-vinyl acetate copolymer of the present invention has a content of butyl acetate of 20 to 45% by weight, preferably 28 to 45% by weight.
- thermoplastic resin composition When the content of vinyl acetate is less than 20% by weight, the flexibility of the obtained thermoplastic resin composition becomes insufficient, and when the composition is paved with a pulverized resin composition for pavement. This can cause cracks on the road surface, and this phenomenon is particularly noticeable in winter.
- the melting temperature of the ethylene monoacetate butyl copolymer is from 40 to 100 ° C, preferably from 50 to 90 ° C.
- thermoplastic resin composition When the melting temperature is lower than 40 ° C., the obtained thermoplastic resin composition has stickiness and cannot be formed into a target small lumpy size.
- the melting temperature exceeds 100 ° C, the temperature and time for melting and mixing with the aggregate are required to be long, causing a problem in workability.
- melt flow rate of the ethylene monoacetate butyl is preferably from 50 to 300/8/1 O min, more preferably from 60 to 220 g / l. 0 min.
- melt rate is less than 5 Og / 1 Omin, the temperature and time for melting and mixing with the aggregates become longer, which may cause problems in workability.
- melt flow rate exceeds 300 Og / 1 Omin, it may cause cracks on the road surface after paving.
- a petroleum resin is suitable as another thermoplastic resin used together with the ethylene monovinyl acetate copolymer.
- the petroleum resin those having a softening point of 70 to 150 ° C are preferable, and those having a softening point of 70 to 120 ° C are more preferable.
- thermoplastic resin composition When the softening point is less than 70 ° C, the obtained thermoplastic resin composition has stickiness, and it may be difficult to form the target small lumps. If the temperature exceeds 50 ° C, the temperature and time required for melting and mixing with the aggregate are long, which may cause problems in workability.Petroleum-based resin melts at 160 ° C The viscosity is preferably in the range of 100 to 100 cps, and more preferably 100 to 80 cps.
- melt viscosity is less than 10 O cps, the durability of the paved road surface may be problematic.
- melt viscosity exceeds 100 O cps, the wettability and adhesion to the aggregates are poor, which may cause a problem in the durability of the pavement road.
- Examples of the petroleum-based resin include aliphatic petroleum based on a C5 fraction, aromatic based petroleum based on a C9 fraction, C5C9 copolymerized petroleum resin based on both, and cyclopentane.
- Pentagen-based petroleum resin can be used, These are used alone or, if necessary, in combination of two or more.
- a viscosity modifier composed of petroleum-based process oil, liquid rubber, epoxy resin, rosin, low-density polyethylene, or the like can be added alone or, if necessary, in combination of two or more. These additions improve the viscosity of the thermoplastic resin composition and the wettability to the aggregate.
- the petroleum-based process oil those having a flash point of 260 ° C or more are preferable.
- lubricating oil, heavy mineral oil, and the like can be used.
- liquid rubber a terpene polymer, liquid polybutadiene, liquid polybutene, or the like can be used.
- the content of the ethylene monoacetate vinyl copolymer is 3 0-7 0 weight 0/0, preferably, 3 0-6 0% by weight.
- the content of the ethylene monoacetate vinyl copolymer is less than 3 0 wt 0/0, the flexibility of the heat-friendly plastic resin composition is insufficient, there is a problem that results in a road surface Nihi beauty cracking after pavement as a result, This problem is especially acute in winter.
- the total content of the other thermoplastic resin and the viscosity modifier is 30 to 70% by weight, preferably 40 to 70% by weight. However, of the total amount thereof, the content of the viscosity modifier with up to 2 5 weight 0/0 lot, i.e., 0 to 2 5% by weight, preferably from 2 to 2 5% by weight.
- the meltability of the resin composition may be insufficient, while if it exceeds 70% by weight, the resin composition may be insufficient. Inadequate flexibility, resulting in pavement Cracks may occur on the rear road surface.
- the content of the viscosity modifier exceeds 25% by weight, stickiness is observed in the obtained thermoplastic resin composition, and the desired small lumps cannot be formed, In some cases, small lumps adhere to each other and poor wettability and adhesion to aggregates may cause a problem in durability of paved road surfaces.
- a pigment is used as needed.
- the pigment may be either an inorganic pigment or an organic pigment.
- inorganic pigments are preferable from the viewpoint of heat resistance and weather resistance.
- yellow hydrous iron oxide (goesite), red iron oxide (bottle), green chromium oxide, white titanium oxide and the like can be used. Further, a pigment having improved heat resistance can also be used. Further, extenders such as calcium carbonate, talc, and clay can also be used. These can be used in combination of two or more.
- the content of the pigment is usually 5 to 50 parts by weight based on 100 parts by weight of the thermoplastic resin composition. If the amount is less than 5 parts by weight, the effect of adding the pigment is not sufficient. On the other hand, if the amount exceeds 50 parts by weight, the wettability to the aggregate becomes insufficient, and a problem occurs in the adhesiveness to the aggregate.
- inexpensive minerals such as the above-mentioned inorganic pigments, calcium carbonate, clay, talc, gay sand, bentonite, or magnesium stearate; Lubricants such as calcium stearate and barium stearate can also be added.
- These powders for preventing adhesion can be used alone or in combination of two or more. More effectively, for the obtained small pavement This is to adhere to the surface of the resin composition.For example, after sprinkling on the strand coming out of the extruder, it is made into small lumps of the required size, or it is made into small lumps and then sprinkled. Is valid.
- the amount of the powder for preventing adhesion is usually 0.1 to 5 parts by weight based on 100 parts by weight of the thermoplastic resin composition.
- the pavement resin composition of the present invention is a thermoplastic resin composition containing an ethylene-vinyl acetate copolymer, preferably a thermoplastic resin composition comprising the copolymer and a petroleum resin, and if necessary, other
- the additives are mixed at a predetermined ratio, and the mixture is heated to 100 to 180 ° C. and kneaded.
- the mixture is kneaded with a single-screw or twin-screw extruder, cooled, and then pulverized to a desired size with a pelletizer to obtain a small-lumped pavement resin composition.
- a mixer such as a Henschel mixer or V-type blender before entering the extruder, and then knead.
- the size of the small lumps is preferably about 2 to 30 mm as the average of the maximum diameter.
- the pavement resin composition obtained as described above is, for example, 5 kg or 1 kg.
- the asphalt composition for paving according to the present invention comprises the resin composition for paving described above.
- a preferred method of preparing the asphalt composition for pavement is as follows: the pavement resin composition in a packaged form is directly charged into a mixer without passing through a weighing machine to 150 to 200 ° C, more preferably 150 to 1 ° C. This is a method of mixing with aggregate at 80 ° C. If the temperature is lower than 150 ° C, there may be a problem that the workability when applying the obtained asphalt composition is reduced.On the other hand, if the temperature exceeds 200 ° C, the resin partially deteriorates. And discoloration of the pigment and the like. The mixing time is about 30 to 60 seconds. If the time is shorter than 30 seconds, the mixing may be insufficient.
- the time is longer than 60 seconds, the effect remains unchanged, and the workability is rather deteriorated.
- the resin composition for mounting can be melted in a short time, and the aggregate can be sufficiently wetted. If the temperature is lower than 160 ° C. or higher than 220 ° C., it is difficult to adjust the mixing temperature to the above-described preferable one.
- the resin composition for coating contains a pigment
- an important point of the packaging resin composition of the present invention is that the packaging resin composition containing at least the specific ethylene-vinyl acetate copolymer adheres to each other during storage or transportation. Or stick to the mixer The point is that they are made into small lumps so that they can be melted in a short period of time without losing.
- the ratio of the specific ethylene monoacetate vinyl copolymer 3 0-7 0 by weight 0/0 melted in a short time, and further it is excellent in wettability and contact adhesion to aggregate, It can provide a road surface with excellent durability without problems such as deformation of the road surface in summer and cracks in winter.
- the small-lumped pavement resin composition of the present invention can be packaged in a plastic bag or the like having a predetermined capacity, it is measured simultaneously by directly putting it into a mixer from the packaging form, so that there is no need to pass through a weighing machine. Therefore, it is not necessary to clean the weighing machine and the piping, and the workability is improved.
- the resin composition containing a pigment it is not necessary to separately add a pigment to the mixer, so that there is no health or environmental problem due to dust, and the pavement resin composition has good workability. Can be provided.
- the asphalt composition for pavement containing aggregate was evaluated for marshalling stability test and water immersion marshalling stability test.
- the Marshall stability test was performed according to the method described in the “Pavement Test Method Handbook” (January 1961, published by The Japan Road Association).
- the preparation conditions of the test specimen are as follows.
- the mixture comprising the aggregate and the resin compositions obtained in Examples and Comparative Examples was mixed at 150 to 160 ° C., and compacted at 130 to 140 ° C. The compaction was performed 50 times on each side.
- the marshalling stability test was also performed on the specimens immersed for 48 hours in a 60 ° C constant temperature water bath. went.
- Ultracene 760 as ethylene monoacetate copolymer (trade name; manufactured by Tosoichi Co., Ltd .; vinyl acetate content: 41%, melting temperature: 48 ° C :, melt flow rate: 7 Og / 1 Omin) 5 25 g and petroleum resin neopolymer E 100 (trade name; Nippon Petrochemical Co., Ltd .: softening point 9 O, melt viscosity 200 cps) 75 Og and process oil AROMAX-4 (trade name) ; Fuji Kosan Co., Ltd.) after mixing with a mixer, heating to 120 ° C to melt, kneading with a twin screw extruder, cooling the extruded mixture,
- the resin composition for paving (A) was prepared by cutting into small blocks of ⁇ 4 MIX 5 strokes.
- the main production conditions are shown in Table 1, and the various properties are shown in Table 2.
- the obtained resin composition for paving (A) has a softening point of 68.0 ° C, a penetration of 40, and an elongation of 52. cm.
- Ultracene 7 3 5 East Soichi Co., Ltd.
- Ultracene 7 2 6 East Soichi Co., Ltd.
- Ultracene 7 2 5 East Soichi Co., Ltd.
- Ultracene 7 2 7 East Soichi Co., Ltd.
- Ultracene 6 3 3 East Soichi Co., Ltd.
- Ultracene 515 East Soichi Co., Ltd.
- Evaflex 40 W Mitsui Dupont Poly Chemical Co., Ltd.
- Evaflex E V 45 X Mitsui Dupont Polychemical Co., Ltd.
- Neobolimer E 100 Nippon Petrochemical Co., Ltd.
- Neo Bolimar S Nippon Petrochemical Co., Ltd.
- Epoxy resin Epiclone 105 Dainippon Ink and Chemicals, Inc. Rosin: Arakawa Chemical Co., Ltd.
- Example 5 Smit MB-11 32 63 60 600 40 Archon P- 70 70 200 675 45 E
- AR0MAX-3 150 10 Epiclone 1050 45 3
- Example 7 Spiral 725 28 62 1000 600 40 Neoho. ! ) 7-E100 90 200 720 48 G
- AR0MAX-5 150 10 Totac 70 70 180 800 53
- Each pavement resin composition (A) to ( ⁇ ) obtained in Examples 1 to 10 and Comparative Examples 1 to 5 was mixed with 75 Og and various pigments 25 Og, and mixed at 120 ° C. The product was melted, kneaded with a biaxial extruder, and the extruded mixture was cooled and cut into small blocks of ⁇ imX Q mm to prepare a resin composition for mounting.
- the resin compositions (F), (G), (J) and (M) for pavement were used as they were without mixing with pigments.
- Table 3 shows the properties of the obtained asphalt composition for paving.
- the pigment-containing pavement resin composition and the pigment-free pavement resin composition were directly introduced into the mixer without passing through a weighing machine, so that the weighing machine and piping were not required to be washed, and the workability was good. Atsuta.
- a commercially available heated asphalt resin (P) 75 Og and yellow hydrous iron oxide 25 Og are melted at 120 ° C, kneaded with a twin-screw extruder, and the extruded mixture is cooled, and ⁇ 4mmX 6 thighs To prepare a pigment-mixed pavement resin composition. As shown in Table 3, the small lumps of the pigment-mixed resin composition adhered to each other while being left at room temperature, so that a pavement asphalt composition could not be prepared.
- Example 11 A 750 matite) 250 ⁇ 33 6 94 10.5 40 9.2 40 87.6 Clay / "zinc oxide
- Example 12 B750 Tan 200/50 33 6 94 9.8 33 8.6 33 87.8 Yellow ⁇ * Iron oxide
- Example 13 C750 (Gaethite) 250 33 6 94 '10.2 37 9.1 33 89.2 Clay / yellow water
- Example 18 H750 (Gausite) 250 33 6 94 10.0 30 8.3 31 83.0 Yellow iron-containing hydroxide
- Example 19 I 750 (Gaethite) 250 33 6 94 10.6 31 8.7 33 82.1
- Comparative Example 7 L 750 matite) 250 33 6 94 3.6 16 3.2 11 88.9 Comparative Example 8 M 1 ⁇ ⁇ 1 6 94 4.5 20 3.8 12 84.4 Red iron oxide
- thermoplastic resin composition ⁇ The number of parts per 100 parts of thermoplastic resin composition
- the wheel tracking test was performed according to the method described in “Pavement Test Method Handbook” (January 1963, published by The Japan Road Association).
- the dynamic stability (DS) determined by the wheel tracking test is preferably at least 600 times / min.
- the change in color over time was measured by measuring the change in color between the specimen exposed to the marshall stability test outdoors for 9 power months and that stored indoors. The measurement was evaluated by the value of ⁇ using Color-Guide (BYK-Gardne). ⁇ is desirably 5.0 or less.
- Table 4 shows the properties of the obtained asphalt composition for coating.
- Table 4 shows that the asphalt composition for paving of Example 21 has a smaller ⁇ E value than the composition using the conventional liquid asphalt of Comparative Example 12; therefore, the asphalt composition for paving of Comparative Example 1 was used. It can be seen that there is less discoloration (fading) over time as compared to. In addition, the asphalt composition for paving of Example 11 was excellent in dynamic stability by a wheel tracking test. ing.
- Example 21 used a paving resin composition containing a pigment, so that workability, health, and It was extremely good with no adverse effects on the working environment.
- Comparative Example 1 and 2 the decolorized asphalt in a liquid state was introduced into the mixer through the weighing machine, and the pigment was separately introduced directly into the mixer. Workability and work environment deteriorated due to pigment dust.
- Example 21 A 750 matite) 250 33 8 92 10 39 10 500 2.8 Commercial liquid decolorization Red iron oxide
- thermoplastic resin composition *) Parts per 100 parts of thermoplastic resin composition
- the resin composition for pavement according to the present invention melts in a short time, has excellent wettability and adhesion to aggregate, and has excellent durability without problems such as deformation of a road surface in summer and cracks in winter. Road surface can be given.
- the pavement resin composition according to the present invention has a small lump shape such that it does not adhere to each other or adhere to a mixer during storage or transportation, and melts in a short time.
- a pavement resin composition having good workability and having no adverse effect on health or environment due to dust or the like at the time of adding the pigment can be provided. .
- the small-lumped pavement resin composition of the present invention can be packaged in a plastic bag, Therefore, since a predetermined amount can be directly put into the mixer from the packaging form in which it is stored, there is no need to pass through the weighing machine, so that cleaning of the weighing machine and piping is not required, and workability is greatly improved.
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Abstract
Description
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Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT04713991T ATE496093T1 (de) | 2003-02-25 | 2004-02-24 | Harzzusammensetzung für strassen- bzw. gehwegbelag und verfahren zur herstellung einer zusammenfassung für strassen- bzw. gehwegasphalt |
US10/546,607 US7863353B2 (en) | 2003-02-25 | 2004-02-24 | Paving resin composition, paving asphalt composition, and method for producing paving asphalt composition |
EP04713991A EP1598395B1 (en) | 2003-02-25 | 2004-02-24 | Paving resin composition and method for producing paving asphalt composition |
DE602004031085T DE602004031085D1 (de) | 2003-02-25 | 2004-02-24 | Harzzusammensetzung für strassen- bzw. gehwegbelag und verfahren zur herstellung einer zusammenfassung für strassen- bzw. gehwegasphalt |
JP2005502887A JP4001168B2 (ja) | 2003-02-25 | 2004-02-24 | 舗装用樹脂組成物、舗装用アスファルト組成物及び舗装用アスファルト組成物の製造方法 |
HK06107715.3A HK1087421A1 (en) | 2003-02-25 | 2006-07-10 | Paving resin composition, paving asphalt composition and method for producing paving asphalt composition |
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JP2003-047026 | 2003-02-25 | ||
JP2003047026 | 2003-02-25 | ||
PCT/JP2003/011536 WO2004076553A1 (ja) | 2003-02-25 | 2003-09-10 | 舗装用樹脂組成物 |
JPPCT/JP03/11536 | 2003-09-10 |
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WO2004076554A1 true WO2004076554A1 (ja) | 2004-09-10 |
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JP (1) | JP4001168B2 (ja) |
WO (1) | WO2004076554A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005232344A (ja) * | 2004-02-20 | 2005-09-02 | Toda Kogyo Corp | 舗装用樹脂組成物、舗装用アスファルト組成物及び舗装用アスファルト組成物の製造方法 |
WO2009050870A1 (ja) * | 2007-10-19 | 2009-04-23 | Toda Kogyo Corporation | 舗装用樹脂組成物、舗装用アスファルト組成物及びその製造方法 |
EP2812364B1 (en) * | 2012-02-07 | 2020-03-25 | Saudi Arabian Oil Company | SULFUR MODIFIED POLYVINYL ACETATE (PVAc) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2471878A1 (de) | 2010-12-30 | 2012-07-04 | LANXESS Deutschland GmbH | Öl- und wachshaltige Mittel in stückiger Form für die Asphalt- und Bitumeneinfärbung |
EP2471877A1 (de) | 2010-12-30 | 2012-07-04 | LANXESS Deutschland GmbH | Öl- und wachshaltige Mittel in stückiger Form mit bestimmten Wachsmischungen für die Asphalt- und Bitumeneinfärbung |
US9279056B2 (en) * | 2013-03-27 | 2016-03-08 | Cores Societa'cooperativa | Road surface mix |
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- 2004-02-24 EP EP04713991A patent/EP1598395B1/en not_active Expired - Lifetime
- 2004-02-24 JP JP2005502887A patent/JP4001168B2/ja not_active Expired - Fee Related
- 2004-02-24 WO PCT/JP2004/002154 patent/WO2004076554A1/ja active Application Filing
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JPS5149532A (en) | 1974-10-25 | 1976-04-28 | Shinto Paint Co Ltd | Romenhosozairyo oyobi hosohoho |
JP2516445B2 (ja) | 1990-02-08 | 1996-07-24 | 戸田工業株式会社 | カラ―舗装用アスファルト合材 |
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JP2002537435A (ja) * | 1999-02-16 | 2002-11-05 | ダイナソル エラストメロス,ソシエダット アノニマ | 道路の舗装に用いられる歴青混合物の性能を向上させるための改良剤 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005232344A (ja) * | 2004-02-20 | 2005-09-02 | Toda Kogyo Corp | 舗装用樹脂組成物、舗装用アスファルト組成物及び舗装用アスファルト組成物の製造方法 |
JP4639602B2 (ja) * | 2004-02-20 | 2011-02-23 | 戸田工業株式会社 | 舗装用樹脂組成物、舗装用アスファルト組成物及び舗装用アスファルト組成物の製造方法 |
WO2009050870A1 (ja) * | 2007-10-19 | 2009-04-23 | Toda Kogyo Corporation | 舗装用樹脂組成物、舗装用アスファルト組成物及びその製造方法 |
JP2009114440A (ja) * | 2007-10-19 | 2009-05-28 | Toda Kogyo Corp | 舗装用樹脂組成物、舗装用アスファルト組成物及びその製造方法 |
EP2812364B1 (en) * | 2012-02-07 | 2020-03-25 | Saudi Arabian Oil Company | SULFUR MODIFIED POLYVINYL ACETATE (PVAc) |
Also Published As
Publication number | Publication date |
---|---|
JP4001168B2 (ja) | 2007-10-31 |
EP1598395A1 (en) | 2005-11-23 |
JPWO2004076554A1 (ja) | 2006-06-08 |
EP1598395B1 (en) | 2011-01-19 |
EP1598395A4 (en) | 2006-06-14 |
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