WO2009080674A1 - Composition de liant - Google Patents
Composition de liant Download PDFInfo
- Publication number
- WO2009080674A1 WO2009080674A1 PCT/EP2008/067807 EP2008067807W WO2009080674A1 WO 2009080674 A1 WO2009080674 A1 WO 2009080674A1 EP 2008067807 W EP2008067807 W EP 2008067807W WO 2009080674 A1 WO2009080674 A1 WO 2009080674A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- binder composition
- binder
- asphalt
- heating
- organic compound
- Prior art date
Links
- 239000011230 binding agent Substances 0.000 title claims abstract description 155
- 239000000203 mixture Substances 0.000 title claims abstract description 129
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 77
- 150000002894 organic compounds Chemical class 0.000 claims abstract description 28
- 238000010438 heat treatment Methods 0.000 claims description 81
- 239000010426 asphalt Substances 0.000 claims description 57
- 238000000034 method Methods 0.000 claims description 32
- 238000002156 mixing Methods 0.000 claims description 11
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 9
- 229920000570 polyether Polymers 0.000 claims description 9
- 229920000642 polymer Polymers 0.000 claims description 5
- 150000001298 alcohols Chemical class 0.000 claims description 4
- 238000001579 optical reflectometry Methods 0.000 claims description 2
- 229920001223 polyethylene glycol Polymers 0.000 claims description 2
- 239000003208 petroleum Substances 0.000 description 34
- 239000011347 resin Substances 0.000 description 20
- 229920005989 resin Polymers 0.000 description 20
- 230000000052 comparative effect Effects 0.000 description 16
- 239000003921 oil Substances 0.000 description 16
- 229920002725 thermoplastic elastomer Polymers 0.000 description 16
- 230000000694 effects Effects 0.000 description 12
- 239000000654 additive Substances 0.000 description 11
- 230000001678 irradiating effect Effects 0.000 description 11
- 239000000463 material Substances 0.000 description 11
- 230000005855 radiation Effects 0.000 description 11
- 239000000126 substance Substances 0.000 description 11
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 10
- 239000002904 solvent Substances 0.000 description 10
- 239000002253 acid Substances 0.000 description 8
- 238000004078 waterproofing Methods 0.000 description 8
- -1 polyethylene Polymers 0.000 description 7
- 239000004721 Polyphenylene oxide Substances 0.000 description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 230000000996 additive effect Effects 0.000 description 6
- 229920001971 elastomer Polymers 0.000 description 6
- 229930195733 hydrocarbon Natural products 0.000 description 6
- 150000002430 hydrocarbons Chemical class 0.000 description 6
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 5
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 125000003118 aryl group Chemical group 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 230000005674 electromagnetic induction Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000005060 rubber Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- 239000004793 Polystyrene Substances 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229920001400 block copolymer Polymers 0.000 description 3
- 150000001735 carboxylic acids Chemical class 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 239000000539 dimer Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 235000019253 formic acid Nutrition 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 150000002576 ketones Chemical class 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 230000001473 noxious effect Effects 0.000 description 3
- 239000012188 paraffin wax Substances 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 229920002223 polystyrene Polymers 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 229920006132 styrene block copolymer Polymers 0.000 description 3
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 3
- HECLRDQVFMWTQS-RGOKHQFPSA-N 1755-01-7 Chemical compound C1[C@H]2[C@@H]3CC=C[C@@H]3[C@@H]1C=C2 HECLRDQVFMWTQS-RGOKHQFPSA-N 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000021736 acetylation Effects 0.000 description 2
- 238000006640 acetylation reaction Methods 0.000 description 2
- 150000001413 amino acids Chemical class 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 2
- 229910052794 bromium Inorganic materials 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 229910052740 iodine Inorganic materials 0.000 description 2
- 239000011630 iodine Substances 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- CFQZKFWQLAHGSL-FNTYJUCDSA-N (3e,5e,7e,9e,11e,13e,15e,17e)-18-[(3e,5e,7e,9e,11e,13e,15e,17e)-18-[(3e,5e,7e,9e,11e,13e,15e)-octadeca-3,5,7,9,11,13,15,17-octaenoyl]oxyoctadeca-3,5,7,9,11,13,15,17-octaenoyl]oxyoctadeca-3,5,7,9,11,13,15,17-octaenoic acid Chemical compound OC(=O)C\C=C\C=C\C=C\C=C\C=C\C=C\C=C\C=C\OC(=O)C\C=C\C=C\C=C\C=C\C=C\C=C\C=C\C=C\OC(=O)C\C=C\C=C\C=C\C=C\C=C\C=C\C=C\C=C CFQZKFWQLAHGSL-FNTYJUCDSA-N 0.000 description 1
- ROGIWVXWXZRRMZ-UHFFFAOYSA-N 2-methylbuta-1,3-diene;styrene Chemical compound CC(=C)C=C.C=CC1=CC=CC=C1 ROGIWVXWXZRRMZ-UHFFFAOYSA-N 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 239000004902 Softening Agent Substances 0.000 description 1
- 229920006465 Styrenic thermoplastic elastomer Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 150000002314 glycerols Chemical class 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 238000005504 petroleum refining Methods 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 230000019612 pigmentation Effects 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 239000010734 process oil Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000004291 sulphur dioxide Substances 0.000 description 1
- 235000010269 sulphur dioxide Nutrition 0.000 description 1
- 238000004227 thermal cracking Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/46—Dielectric heating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
- C08L71/02—Polyalkylene oxides
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D195/00—Coating compositions based on 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
- E01C7/02—Coherent pavings made in situ made of road-metal without binders
- E01C7/06—Coherent pavings made in situ made of road-metal without binders by melting, burning, or vitrifying road-metal in situ
-
- 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
-
- 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
Definitions
- This invention relates to a binder composition for use in road paving, waterproofing materials, adhesives and so on, and in particular relates to a binder composition with superior heating efficiency at the time of melting and at the time of use.
- Asphalt hereinafter referred to as "asphalt binder” ⁇ , generally blended with aggregates, has been widely used as a road paving material.
- Bright -colour binders are, for example, light-brown, transparent asphalt -binder substitutes manufactured by mixing petroleum resins, rubbers, elastomers, petroleum-based heavy oils and the like.
- Such bright-colour binders include, for example, instances where resins and/or thermoplastic elastomers are blended with petroleum-based softening agents in the requisite proportions, anti-oxidants and so on being added where necessary.
- the asphalt binder or bright colour binder is used not only as a road paving material, but also as a waterproofing material to prevent water leakage in the roofs of dwelling houses or the tops of concrete structures.
- a technique is used whereby a waterproof layer is formed by blowing or pouring hot -melt asphalt binder onto the places where waterproofing treatment is required.
- it is also used as an adhesive by making use of its adhesiveness .
- the asphalt binder or bright- colour binder requires hot-melting at the time of use in all of the cases in which it is used.
- the general method of heating binders has been to use a heating apparatus such as a heater or gas burner by burning fossil fuels.
- an odour may be emitted from the excessively heated binder because of the production of steam and fumes, and since it may also induce deterioration of the binder itself there will be a deleterious effect on the paving finish or on performance as waterproof asphalt roofing or as an adhesive.
- JP 3-271450 (1991) having as its object uniform heating of asphalt roofing for waterproofing, has proposed an asphalt waterproofing construction method which uses so-called electromagnetic induction heating in which the surface is coated with a particulate substance which has conductivity or an electromagnetic induction effect, such as a metal or an oxide thereof, heating being effected by generation of eddy currents due to induction of an alternating magnetic field.
- asphalt recycling methods have also been disclosed (for example, see JP 7- 197412 (1995 ⁇ ) in which a dielectric heating treatment is applied while material derived from asphalt pavement is being transported, and, in a subsequent step, is mixed with fresh asphalt mixture subjected to a separate heating treatment.
- JP 62-25801 essentially refers to an improvement in heating efficiency when irradiating with microwaves after mixing large stones with the asphalt binder. It may be said that it has disclosed the concept of mixing matter of some sort in asphalt binder with a view to improving the heating efficiency by electromagnetic induction of the asphalt mixture.
- the technology of large stones or crushed stones with asphalt binder which is the technology disclosed in this JP 62-25801 is a method implemented as a method of manufacturing road paving raw material in the prior art and cannot be said to be a disclosure with a view to improving heating efficiency by means of radio- frequency heating as a special step.
- the step in which large stones are mixed in is part of the work- implementation process, there are problems in that the burden of equipment and labour to implement the work increases, and in that a longer time is required for stirring the asphalt binder mixed with the large stones, in order to mix in the stones uniformly, and the increase in labour for stirring is also not inconsiderable.
- This invention is therefore proposed in the light of these problems just described, and is intended to offer a binder composition which is capable of improving the heating efficiency in the case of irradiation by electromagnetic waves when hot -melting at the time of use, and which is capable of effecting uniform heating overall.
- the present invention provides a binder composition characterised in that, as a way of resolving the problems described above, it contains an organic compound having hydroxyl groups and the hydroxyl number is at least 1 mg/KOH/g.
- the present invention further provides a method of radio-frequency heating of a binder composition, characterised by radio- frequency heating by irradiation with electromagnetic waves of a binder composition which contains an organic compound having hydroxyl groups and wherein the hydroxyl number is at least 1 mgKOH/g.
- the inventor has discovered that, if an organic compound having hydroxyl groups is incorporated in the binder composition, heating efficiency is improved by irradiation with electromagnetic waves, and specifically that, if an organic compound having hydroxyl groups is incorporated in the binder composition so that the hydroxyl number is at least 1 mgKOH/g, a significant temperature rise can be observed when irradiating with electromagnetic waves .
- He has thus invented a binder composition of the structure shown below and a method for radio- frequency heating of the binder composition.
- the binder composition relating to this invention contains an organic compound having hydroxyl groups and the hydroxyl number is not less than 1 mgKOH/g.
- the inventor has undertaken intensive research in order to resolve the problems described above and to offer a binder composition which is capable of improving heating efficiency when irradiating with electromagnetic waves during hot-melting at the time of work, and which effects uniform heating overall.
- the inventor has discovered that, when an organic compound having hydroxyl groups is incorporated in the binder composition, this causes an improvement in the efficiency of heating through electromagnetic radiation.
- the inventor has also discovered specifically that, if the hydroxyl number of the binder composition as a whole containing the organic compound having hydroxyl groups is not less than 1 mgKOH/g, a significant temperature rise can be observed when irradiating with electromagnetic waves of 2450 MHz.
- binder composition of this invention The binder composition used in this invention (hereinafter referred to as the binder composition of this invention) is described below by specifying the constituent elements of which it is made up and the reasons for limiting the values.
- the organic compound having hydroxyl groups it is possible to use any compounds provided they have hydroxyl groups.
- Alcohols and phenols may be used. Of these, those especially preferred are glycerols, polyethers , polyethylene glycols, higher alcohols (alcohols having more than 2 carbon atoms) and polymers thereof, if they have hydroxyl groups .
- glycerols polyethers
- polyethylene glycols polyethylene glycols
- higher alcohols alcohols having more than 2 carbon atoms
- polymers thereof if they have hydroxyl groups .
- the poles are divided into minus on the oxygen atom side and plus on the hydrogen atom side, and so the dipole moment is large. For this reason, it is possible, by mixing an organic compound having hydroxyl groups into the binder composition, to spread polarity into the composition as a whole.
- the binder composition of the invention is irradiated with electromagnetic waves as described below, it is possible, because of said polarity, to boost the temperature rise
- the hydroxyl number referred to here denotes to what extent hydroxyl groups are contained within the binder composition as a whole after the organic compound having hydroxyl groups has been mixed in as described above.
- the hydroxy1 number shows the amount in mg of potassium hydroxide necessary to neutralise acetic acid bonded with hydroxyl groups in the acetylation of Ig of sample.
- This hydroxyl number can be measured on the basis of JIS K 1557-1.
- JIS K 1557-1 the sample is made into a pyridine solution containing acetic anhydride, and the hydroxyl groups are acetylated under pyridine reflux.
- the reaction is accelerated by using imidazole as a catalyst, and excess acetylation reagent is hydrolysed using water.
- the acetic acid produced is titrated with a standard sodium hydroxide solution.
- the hydroxyl number is calculated from the titre difference between the null experiment and the sample experiment .
- the proportion of hydroxyl groups within the binder composition becomes too small and so there is a problem in that, when irradiating with electromagnetic waves as described below, it does not have the necessary polarity to give the requisite boost to the temperature rise by means of radio- frequency heating.
- the hydroxyl number is greater than 200 mgKOH/g, the water resistance of the binder composition decreases ⁇ substances with a large hydroxyl number have a high affinity with water) , and so problems arise in that its function as a road paving or waterproofing material or as an adhesive is reduced.
- the hydroxyl number is at least 5 mgKOH/g.
- the reason for this is that when the hydroxyl number is made at least 5 mgKOH/g the proportion of hydroxyl groups within the binder composition can be increased and a temperature rise of at least 5 0 C by means of radio- frequency heating can be expected, so that an extremely large radio-frequency ' heating effect can be obtained.
- the binder composition comprises asphalt binder.
- the asphalt binder of this invention may be, for example, straight asphalt (see JIS K 2207) , solvent- deasphalted asphalt (see “Shin Sekiyu Jiten” [New Petroleum Dictionary] , edited by the Institute of Petroleum, 1982, p. 308), blown asphalt (see JIS K 2207) or mixtures of two or more kinds thereof.
- These asphalt binders are all easy to procure and so are suitable, for example, for use in infrastructure work such as roads.
- the asphalt binder contains of the order of at least 5.0% by mass of asphaltene .
- the binder composition is a bright-colour binder composition.
- the bright- colour binder composition comprises one or more petroleum resins and one or more petroleum- based solvent -extracted oils. More preferably, the bright- colour binder is a light-brown, transparent asphalt substitute manufactured by mixing petroleum resins, rubbers, elastomers and petroleum-based solvent-extracted oils.
- the bright-colour binder composition can be used, when applied to road paving, by mixing it with bright-colour aggregate of high light reflectivity. What is referred to here as bright-colour aggregate means those exhibiting pigmentation, and it is possible to impart the requisite colour to the binder composition of this invention by incorporating same and thereby to effect coloured paving.
- Petroleum-based solvent-extracted oils are extracted oils produced during solvent extraction processes when making lubricating oils from crude oil, and are oily substances rich in aromatic and naphthenic components .
- these petroleum-based solvent -extracted oils are added to the binder composition, they are the component which acts as a softener, and it is preferable if the boiling point is not less than 350 0 C, the viscosity at 100 0 C is 5 to 100 mPa. second, the flash point is not less than 25O 0 C and the aromatic content is not less than 75.0 mass %.
- An example of such petroleum-based solvent-extracted oils is the solvent -extracted component of Bright Stock extracted by means of solvents such as phenol, N-methylpyrrolidone, liquid sulphur dioxide and furfural in the crude oil refining process .
- the binder composition (either an asphalt binder or a bright -colour binder composition) may comprise petroleum resins or thermoplastic elastomers, or hydrogenates thereof .
- Petroleum resins are polymers of unsaturated hydrocarbons which are present in thermal cracking fractions in petroleum refining processes. They are bright yellow substances in which the molecular weight is about 100 to 2000, but usually from 200 to 1500, and the softening point is of the order of 60 to 150 0 C. It is possible also to use hydrogenated petroleum resins in which hydrogen is added to the double bonds within the unhydrogenated petroleum resin. The softening point of these hydrogenated petroleum resins is normally of the order of 90 to 130 0 C. These hydrogenated petroleum resins and u ⁇ hydrogenated petroleum resins are components which function as structural materials in the binder composition.
- thermoplastic elastomers are linear or branched block copolymers in which the terminal segments are polystyrene segments, and the rubber constituent segments are segments such as polybutadiene or polyisoprene .
- thermoplastic elastomers mention may be made of SBS ⁇ styrene-butadiene- styrene block copolymer) and SIS (styreneTM isoprene styrene block coplymer) . These are components which, as well as functioning as structural materials, impart elasticity to the binder composition.
- Hydrogenated thermoplastic elastomers have hydrogen added to the double bonds of the diene blocks within the molecules of the unhydrogenated thermoplastic elastomer. As well as functioning as structural materials they impart elasticity to the binder composition.
- the hydrogenated thermoplastic elastomers incorporated in the binder composition of this invention have a hydrogenation rate of at least 95%, there is no special restriction on their type, but it is preferable if they are linear or branched block copolymers in which the terminal segments are polystyrene segments, and the rubber constituent segments are segments such as polyethylene or polybutylene which do not contain double bonds.
- the hydrogenated thermoplastic elastomers mention may be made of SEBS (styrene-ethylene- butylene-styrene block copolymer) , SEPS (styrene-ethylene- propylene-styrene block copolymer) .
- the molecular weight is not less than 50000, the HFR (melt flow rate) (200 0 C, 5 kg) is not more than 10 g/ ⁇ nin, the polystyrene content is 10 to 50% by mass, and the specific gravity is at least 0.9. Further, it is possible to incorporate various additives such as lubricating oils in the binder composition of this invention in order to regulate the viscosity or improve transparency and so on.
- binder composition of this invention as described above is no more than a single example and is not limited to this. There is no restriction on a petroleum-based solvent-extracted oil being included, and it is possible, for example, to replace this with a lubricating oil mineral oil. Naturally it is also possible to use any known binder compositions.
- binder compositions suitable for this invention it is possible to incorporate organic compounds having hydroxyl groups into, for example, the binder composition of JP Hll-349816, the binder composition of JP 2001-172469, the binder composition of JP 2007-270042 and the pavement binder composition of JP Hll-286654, so as to regulate the hydroxyl number to be at least 1 mgKOH/g.
- the binder composition of the invention is prepared.
- an organic compound having hydroxyl groups is incorporated in asphalt binders as described above or a binder composition which is an ordinary asphalt binder substitute comprised of petroleum- based solvent -extracted oils and so on.
- a binder composition which is an ordinary asphalt binder substitute comprised of petroleum- based solvent -extracted oils and so on.
- the amount of organic compound having hydroxyl groups added at this point has to be regulated so that the hydroxyl number of the obtained binder composition of the invention becomes at least 1 mgKOH/g.
- the method of measuring the hydroxyl number is, as described above, based on JIS K 1557-1.
- the binder composition of this invention is irradiated with electromagnetic waves by means of an electromagnetic wave radiation apparatus.
- the frequency of this electromagnetic wave radiation can be any frequency, but it may be for example 2450 MHZ similar to an ordinary electromagnetic oven.
- the fluidised binder composition of this invention is mixed with aggregate regulated to the requisite particle size, to produce an asphalt mixture.
- This asphalt mixture is conveyed to the roadway to be paved, spread on the roadway and compacted down by means of a road roller or the like to give a finished road surface.
- road paving it is also possible to create road paving as follows in this invention.
- the binder composition of this invention is conveyed to the roadway.
- the binder of this invention is then irradiated with electromagnetic waves by means of an electromagnetic wave radiation apparatus.
- binder composition of this invention By irradiating the binder composition of this invention with electromagnetic waves, it is possible to heat it dielectrically and it is possible to heat it almost uniformly overall to about 150 0 C to 200 0 C so as to fluidise it and improve its flow characteristics.
- suitable aggregate is spread on to the fluidised binder composition of this invention and the road surface can be finished by compacting it down by means of a road roller or the like.
- binder composition of this invention it is also possible to convey the binder composition of this invention to the roadway to be paved, to spread aggregate thereon and then irradiate it with electromagnetic waves by means of an electromagnetic wave radiation apparatus, to thus heat the binder composition of this invention, and then to finish the road surface by compacting down the fluidised binder composition of this invention and the aggregate by means of a road roller or the like.
- this invention it is possible to finish a road surface by irradiating a mixture of the binder composition of this invention spread on the roadway and the aggregate, heating this to a uniform temperature and compacting it down by means of a road roller or the like, and then cooling it.
- the molecules within the binder composition of this invention irradiated with electromagnetic waves at about 2450 MHz vibrate on the basis of these electromagnetic waves.
- the molecules in the binder composition of this invention are aligned on the basis of the plus charge and the minus charge of the electromagnetic waves. Given that these electromagnetic waves are constituted of short waves of
- the binder composition of this invention contains an organic compound having hydroxy1 groups. Because of this, it is possible to make the changes in alignment between molecules caused by the electromagnetic wave radiation even more violent by virtue of the polarity the hydroxyl groups possess. As a result, it is possible to increase the frictional heat from the molecules by virtue of the presence of these hydroxyl groups .
- the hydroxyl number of the binder composition of this invention as a whole is regulated so as to be at least 1 mgKOH/g " , it becomes possible to impart the necessary polarity to boost the temperature rise by radio-frequency heating when irradiating with electromagnetic waves without the proportion of hydroxyl groups in the binder composition of this invention being too low.
- the binder composition of this invention can improve the heating efficiency in comparison with binder compositions where no organic compound having hydroxyl groups has been added. Also, with this radio- frequency heating, the binder composition of this invention itself is made to generate heat, and since there is no need to transfer heat such as with the heating apparatus of the prior art using burners and the like, a rapid temperature rise of the whole of the substance being heated becomes possible, and a uniformly raised temperature of the substance being heated as a whole is also possible.
- this irradiation with electromagnetic waves must use electricity as the energy source, it may be possible to reduce the emission of CO 2 .
- uniform heating of the binder composition of this invention it is possible to eliminate problems, as in heating methods that use heating apparatus such as gas burners, where there is a large differential between the heated portion and the portion separated from the heated portion. As a result, it becomes possible to suppress the production of noxious odours due to heating the heated portion to more than is necessary to be able to raise the temperature of the portion separated from the heated portion. It also becomes possible to implement heating of the bright-colour paving and asphalt binders and bright-colour binders which are kinder to the environment . Examples
- Binder Composition 1 for the existing bright-colour binder composition it is possible to use, for example, Binder Composition 1 as disclosed in JP Hll-349816.
- This Binder Composition 1 is constituted from a petroleum-based solvent-extracted oil, a petroleum resin, a thermoplastic elastomer and an anti- peeling additive.
- Petroleum-based solvent extracted oil Oil wherein the viscosity at 100 °C is 68 centistokes, the aromatic component is 33% by weight, the naphthene component is 26% by weight, the paraffin component is 41% by weight and the flash point is 254 0 C.
- This petroleum-based solvent extracted oil forms 63.4% content by weight.
- Petroleum resin Petroleum resin with C9 residue as the raw material, the characteristics of which are that the softening point is 14Q C C, the acid number is not more than 0.1 (mgKOH : JIS K0070) , the bromine number is 25 (g : JIS K2543) , and the average molecular weight is approximately 1000 (GPC method, polyethylene conversion) .
- This petroleum resin forms 32.1% content by weight.
- Thermoplastic elastomer comprising styrene-butadiene-styrene block copolymer. Its characteristics are that the specific gravity is 0.94, hardness (Shore A) is 72, and the solution viscosity is 4000 cps ⁇ polymer concentration 25 wt% toluene solution, 25°C ⁇ . This thermoplastic elastomer forms 4.5% content by weight .
- Anti-peeling agent A mixture comprised of 7% by weight of monomer acid of 18 hydrocarbons, 76% by weight of dimer acid of 36 hydrocarbons and 7% by weight of trimer acid of 54 hydrocarbons wherein the acid number is 190 (mgKOH : JIS K0070) and the iodine number is 110. The average molecular weight is approximately 590. This anti- peeling agent forms 0.3% content by weight.
- Binder Composition 2 As disclosed in JP 2001-172469.
- This Binder Composition 2 is constituted from a petroleum-based solvent -extracted oil, a petroleum resin, a thermoplastic elastomer and an anti-peeling additive.
- Petroleum-based solvent extracted oil Oil wherein the viscosity at 100 0 C is 68 cps, the aromatic component is 33% by weight, the naphthen-e component is 26% by weight, the paraffin component is 41% by weight and the flash point is 254 0 C. This petroleum-based solvent extracted oil forms 49.7% content by weight.
- Hydrogenated petroleum resin Hydrogenate of a petroleum resin with dicyclopentadiene (DCPD) as the raw material, wherein the softening point is 130 0 C, the bromine number is 3 (g : JIS K2543) , and the average molecular weight is approximately 500 (GPC method, polyethylene conversion) .
- the hydrogenated petroleum resin forms 47% content by weight.
- Hydrogenated thermoplastic elastomer Thermoplastic elastomer comprising styrene-ethylene-butylene-styrene block copolymer.
- the hydrogenated thermoplastic elastomer forms 3% content by weight.
- Anti-peeling agent A mixture comprised of 7% by weight of monomer acid of 18 hydrocarbons, 76% by weight of dimer acid of 36 hydrocarbons and 7% by weight of trlmer acid of 54 hydrocarbons wherein the acid number is 190 (mgKOH : JIS K0070) and the iodine number is 110. The average molecular weight is approximately 590.
- the anti- peeling agent forms 0.3% content by weight.
- Binder Composition 3 as disclosed in JP 3727829.
- Binder Composition 3 is a mixture which hot melts at 170 to 180 D C and is comprised of 37.1 parts by weight of a paraffin-based process oil ⁇ made by Idemitsu Kosan Ltd. , trade name PW-380) , 58.0 parts by weight of a hydrogenated petroleum resin (made by Idemitsu Petrochemical Co. Ltd., trade name I-MARV P-125) and 5.0 parts by weight of hydrogenated styrenic thermoplastic elastomer (SEBS) (made by Asahi Kasei Kogyo Ltd., trade name Tuftec H1041) .
- SEBS hydrogenated styrenic thermoplastic elastomer
- Additive 4 Glycerol (C 3 H 8 O 3 ), molecular weight 92.1, hydroxyl number 1820 mgKOH/g.
- Additive 5 Polyether with molecular weight approximately 850 and hydroxyl number 380 mgKOH/g. (Polyether O-850 made by Toho Chemical Industry Co. Ltd.)
- Additive 6 Polyether with molecular weight approximately 500 and hydroxyl number 400 mgKOH/g. (Polyether PE-555 made by Toho Chemical Industry Co. Ltd.)
- Additive 7 Polyether with molecular weight approximately 1000 and hydroxyl number 250 mgKOH/g.
- Table 1 also shows the relationships between hydroxyl number (mgKOH/g) and raised temperature ( 0 C) for Examples 1 to 8 and Comparative Examples 1 to 3.
- the raised temperatures in Table 1 are divided into those which take the temperature before heating as the criterion and those which take the raised temperature of Comparative Example 2 as the criterion.
- the raised temperature for Comparative Examples 1 to 3 was about 10 0 C in each case.
- the raised temperature was at least 14.7 0 C in each case.
- the temperature differential, taking Comparative Example 2 as the criterion, for Examples 1 to 8 was not less than 4.5 0 C. Because of this, provided the hydroxyl number is at least 1 mgKOH/g, there will be a temperature rise of at least 4.5°C and so the heating efficiency can be improved.
- Examples 2 and 3 each had a hydroxyl number under 5 mgKOH/g and the temperature rise was small.
- the difference in raised temperature, taking Comparative Example 2 as the criterion was less than 6 0 C. In Examples 1, 5 and 7, where the hydroxyl number was at least 15 mgKOH/g in each case, the temperature rise was large, and in particular the difference in raised temperature was at least 20 0 C or more, taking Comparative Example 2 as the criterion.
- the binder is an asphalt binder.
- the existing straight asphalt may be, for example, the petroleum asphalts 60 to 80 shown in JIS K 2207 and manufactured by Showa Yokkaichi Sekiyu Ltd.
- the respective Additives 4 to 7 were mixed with the above mentioned straight asphalt for 30 minutes at 150 0 C using a homomixer. 30g of the mixed sample was placed in a 50 ml beaker and irradiated with 2450 MHz electromagnetic waves for 180 seconds using an electronic oven of 500W high frequency output . The hydroxyl number before and after heating was measured in accordance with JIS K 1557-1. The raised temperature rise due to radiation of the electromagnetic waves was the result of measuring the difference in the temperature before heating and the temperature after heating by using a radiation thermometer (radiation rate 0.95) .
- Table 2 also shows the relationships between hydroxyl number (mgKOH/g) and raised temperature ( 0 C) for Examples 9 to 19 and Comparative Example 4.
- the raised temperatures in Table 2 are divided into those which take the temperature before heating as the criterion and those which take the raised temperature of the Comparative Example as the criterion.
- the raised temperature for comparative example 4 was about 9.8 0 C.
- the raised temperature was at least 14.1°C in each case.
- the temperature difference, taking the comparative example as the criterion, for Examples 9 to 19 was not less than 4.3 0 C. Because of this, provided the hydroxyl number is at least 1 mgKOH/g, there will be a temperature rise of at least 4.3 0 C and so the heating efficiency can be improved.
- the reason why significance is attached to a temperature rise of at least 4.3 0 C is that when a temperature difference of more than approximately 4 0 C, which is 10 times the experimental error of 0.4 0 C, is produced, the heating efficiency is deemed especially good.
- it is not strictly necessary for the hydroxyl value to be not less than 1.14 mgKOH/g, and provided it is at least 1 mgKOH/g, it is believed that a temperature rise that can virtually be expected will result.
- Examples 12 and 13 each had a hydroxyl number under 5 mgKOH/g and the temperature rise was small.
- the temperature rise was large, and in particular the difference in raised temperature was at least 20 0 C, taking the comparative example as the criterion.
Abstract
L'invention porte sur une composition de liant caractérisée par le fait qu'elle contient un composé organique ayant des groupes hydroxyles et par le fait que l'indice d'hydroxyle est d'au moins 1 mg/KOH/g. La composition de liant peut être chauffée par irradiation avec des ondes électromagnétiques.
Applications Claiming Priority (6)
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JP2007335374A JP4975606B2 (ja) | 2007-12-26 | 2007-12-26 | アスファルトバインダー、アスファルト舗装の施工方法 |
JP2007335371A JP5036525B2 (ja) | 2007-12-26 | 2007-12-26 | 道路舗装用バインダー組成物の誘電加熱方法、アスファルトバインダー組成物の誘電加熱方法 |
JP2007/335374 | 2007-12-26 | ||
JP2007/335376 | 2007-12-26 | ||
JP2007335376A JP4975607B2 (ja) | 2007-12-26 | 2007-12-26 | 明色バインダー、明色舗装の施工方法 |
JP2007/335371 | 2007-12-26 |
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WO2009080674A1 true WO2009080674A1 (fr) | 2009-07-02 |
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PCT/EP2008/067807 WO2009080674A1 (fr) | 2007-12-26 | 2008-12-17 | Composition de liant |
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