WO2002053645A1 - Additif modificateur de liant asphalte utile dans la fabrication de melanges bitumineux prepares a chaud et poses a froid, et procede de fabrication de l'additif et des melanges - Google Patents

Additif modificateur de liant asphalte utile dans la fabrication de melanges bitumineux prepares a chaud et poses a froid, et procede de fabrication de l'additif et des melanges Download PDF

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Publication number
WO2002053645A1
WO2002053645A1 PCT/EP2002/000045 EP0200045W WO02053645A1 WO 2002053645 A1 WO2002053645 A1 WO 2002053645A1 EP 0200045 W EP0200045 W EP 0200045W WO 02053645 A1 WO02053645 A1 WO 02053645A1
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WIPO (PCT)
Prior art keywords
additive
asphalt
solvent
mixes
asphalt binder
Prior art date
Application number
PCT/EP2002/000045
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English (en)
Inventor
Francisco Maria Manes
Osvaldo Félix VULIJSCHER
Andrés Gustavo GIGLIANI
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Mmgv S.A.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Mmgv S.A. filed Critical Mmgv S.A.
Priority to EP02708257A priority Critical patent/EP1349897A1/fr
Publication of WO2002053645A1 publication Critical patent/WO2002053645A1/fr
Priority to CL200301615A priority patent/CL2003001615A1/es

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Classifications

    • 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
    • C08L23/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
    • C08L23/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
    • C08L23/22—Copolymers of isobutene; Butyl rubber ; Homo- or copolymers of other iso-olefins
    • 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

Definitions

  • MIXTURES DESCRIPTION This application relates to an asphalt binder- modifying additive that allows for the preparation of asphalt mixes in industrial plants at temperatures of (100 - 120°C) , that are capable of being applied at room temperature, e.g. at 0 - 55°C, the asphalt mixes thus prepared and a process of cold application thereof .
  • the asphalt mixes prepared with the additive of this invention are particularly useful in the paving, resurfacing and patching of roads and streets, and they have certain advantages over the traditional mixes .
  • handling at a lower temperature, better storability and an immediate availability thereof they possess a better workability, which attribute persists even for months in the stored mixture, as well as the capability to achieve excellent surface textures upon the application of low thickness flexible pavement, and they are more impervious to water, soaps and detergents.
  • a amine additive of cationic polarity can be added, either to the chemical compound or to the binder.
  • compositions comprising styrene - butadiene - styrene polymers, propylene and a solvent. Some of these compositions are disclosed as possessing acceptable properties at room temperature. Regarding this aspect, see US 5,640,109 and US 3,312,157.
  • US 5,911,817 discloses mineral base lube oils that can be added to asphalt compositions to improve their low temperature characteristics.
  • 4,878,950 discloses a material for bituminous compositions for roofing applications comprising a low molecular weight olefin copolymer or homopolymer with improved low temperature characteristics.
  • US Patent 5,961,709 discloses an asphalt composition comprising paraffinic oils.
  • US Patent 5,750,598 discloses the addition of a sulfur-donating vulcanization agent to a bitumen/ polymer composition.
  • Patent 3,312,157 relies on a principle that is similar to the one proposed in this invention, the main difference being that the asphalt mix is made with methyl benzene .
  • Argentine Patent AR 228,977 discloses an asphalt- based binder for cold bituminous treatments that uses amine additives for the manufacturing of asphalt mixes Amine additives are used in the present invention only when certain features are to be achieved, as . explained hereinbelow.
  • Figure 1 shows the adherence result of asphalts modified with the additive of the present invention, either wet or dry, according to the results in Table 1.
  • Figure 2 shows the results of the aging tests carried out according to Table 2, at 100 rounds.
  • Figure 3 shows the results of the aging tests carried out according to Table 2, at 200 rounds.
  • Figure 4 shows the results of the aging tests carried out according to Table 2, at 300 rounds.
  • the additive of the present invention has been particularly designed to be combined with asphalt cement which, with the addition of a solvent, allows to manufacture an asphalt mix at a temperature lower than the conventional temperature ( « 150°C) , subsequently laying said mixture at room temperature, even when wet and at a low or high temperature (0 - 55°C) and to store it in the open air for long periods of time, which periods of time vary according to the amount of solvent used in the production thereof .
  • the additive can also comprise, if desired, an amine compound of cationic polarity, such as an alkyl amido-imidazoline, as a cationic support designed to promote the subsequent adhesion onto siliceous aggregates, by displacing the monolayer that usually covers negative charge density surfaces.
  • an amine compound of cationic polarity such as an alkyl amido-imidazoline
  • the amine compound can be added to the additive merely by stirring it in.
  • the additive of this invention is composed of 2 to 6 % by weight of a flux, 20 to 70 % by weight of a refined olefin lubricant and 4 to 10 % by weight of a solvent, expressed as a function of the asphalt binder.
  • the flux included in the additive of this invention is a composition comprising a) 28 - 60 weight % high viscosity, high or possibly low molecular weight polyisobutylene, b) 0 - 5 weight % of a dispersing agent, c) 6 - 18 weight % of a light low molecular weight olefin hydrocarbon with low viscosity and low sulfur percent and d) 35 - 70 weight % of a hydrocarbon solvent to solubilize the polyisobutylene.
  • the light, low molecular weight olefin hydrocarbon with low viscosity and low sulfur percent used in the flux can be a crankcase lube oil such as an Esso motor Oil- or YPF- or SHELL-type oil of a SAE 40 viscosity.
  • the dispersing agent used in the flux can be a liquid surface-active dispersing wetting agent such as e.g. a sulfonated naphtenic powder such as Sulfur S or Troixol 98 C.
  • the elastomeric physical characteristics of the polyisobutylene used in the flux provide the additive and the final asphalt mix with improvements such as no aging and no oxidation.
  • the solvent used in the flux can be a solvent that allows the viscosity of the polyisobutylene to be lowered, such as, e.g. An Exxon D-110 solvent or gas oil.
  • the flux serves to improve the adherence of the aggregate - asphalt binder dyad, thus avoiding a future segregation of the aggregate and providing the flexible pavement with a better performance in rainwater, a better grip, a better elastic memory, fatigue resistance, lower aging and, therefore, a longer life.
  • the percentage of flux can also be varied depending on whether it is designed for patching (a lesser amount) or for paving (a greater amount) .
  • the olefin lubricant comprised in the additive of this invention is a high viscosity, readily emulsifiable refined olefin hydrocarbon, which can be a hydrocarbon usable as a hydraulic means and made with special lubricant bases and optionally with additives which provide it with wear-resistant, anti-corrosive, anti- oxidant and anti-rust properties.
  • the lube oil which increases the workability of the mixture, must have a high calorific capacity in order to keep the manufacturing temperature for several hours and allow the polyisobutylene to adhere to the aggregate in a more effective manner, thus achieving a greater adhesiveness of the modified asphalt binder when laid.
  • the lubricants that can be used in the invention are those having a viscosity index of 95, a flash point of 180 to 242°C and a pour point of -10, such as, for example, products H22 to H220, with NUTO H32 from ESSO being particularly preferred.
  • the solvent included in the additive of this invention can be a high flash heavy solvent such as gas oil, fuel oil, diesel oil, kerosene, etc.
  • the amount of solvent used can be adjusted depending on the temperature at the place the mixture is to be laid; e.g., in a cold zone, it requires a greater, amount of solvent and a lesser amount of additive.
  • the additive of this invention allows for the hot mix, cold-laid, asphalt mix to be stored outdoors during long periods of time (over 90 days) .
  • the ratios in the additive vary according to the type of asphalt binder to be used, to the future requirements the pavement under construction is going to be exposed to and to the aggregates available.
  • asphalt mixes treated with the additive of the present invention show a reduced spray effect (increased safety) , due to their greater adhesiveness and low noise, and to the high percentages of voids in their structure.
  • the asphalt mixes of this invention are particularly useful for building micropavements (2 - 3 cm thick) in the resurfacing of streets, highways and freeways.
  • the asphalt binder of this invention comprises an asphalt binder (asphalt cement) and the above disclosed additive, optionally along with an amine compound that may be incorporated into the additive or that can be separately incorporated in order to promote the attachment of bituminous materials onto negatively charged surfaces and as fillers.
  • the cationic polarity amine compound is one of the alkyl amido-imidazoline type, as a cationic support to promote the subsequent adhesion onto siliceous-type aggregates, by displacing the monolayer that usually -covers negative charge-density surfaces. It can be incorporated into the asphalt binder in a ratio of about 0,2 to 0,4 per cent, by means of a pump flow that recirculates it until fully homogenized. Suitable amine compounds can be derived from the products sold by Laher Mercantil, Polydem S.A. or by Quimica Bonaerense.
  • the asphalt binder can be prepared relatively in advance to the addition of the aggregates in order to form the asphalt mix of this invention.
  • Such asphalt binder is made two hours before the manufacture of the mixture so as to homogenize it.
  • the asphalt mix of this invention comprises a bituminous mixture and the above disclosed additive, as well as optional components.
  • the asphalt mix thus formed possesses a viscosity that renders it fully workable at medium or room temperature. It can be stored and it can keep its workability properties for months, even under extreme cold or hot conditions .
  • This mixture is generally comprised of granite aggregates of different sizes - 6-20, 6-12, 3-9, 0-6 (size of the aggregates measured in millimeters for coarse, medium and fine mixes, i.e. final thicknesses ranging from 6 mm to 30 mm) , siliceous sands and mineral filler; RAP (Reclaimed asphalt pavement produced as a result of the milling of existing pavements associated with virgin aggregates) can also be used.
  • the maximum size of the aggregate is 20 mm.
  • asphalt binders In the preparation of the above mixtures, asphalt binders, the modifying additive, traditional stone aggregates, steel slag, siliceous sands and, in certain instances, fillers, are used.
  • the optimum content of asphalt binder, as well as the general characteristics of the aggregates, must comply with standard (VN - E9 (86) , Vialidad Nacional [National Highway Administration] , Argentine Republic) .
  • the asphalt mix is an asphalt concrete that is hot mixed in continuous or volumetric asphalt plants by combining asphalt cement (the permeation of which is usually 70/100 and or 50/60) with selected stone aggregates and the novel modifying additive of the present invention, which allows it to be used when cold for patching, paving and resurfacing streets and roads.
  • asphalt cement the permeation of which is usually 70/100 and or 50/60
  • selected stone aggregates the novel modifying additive of the present invention
  • the ratio of the modifying chemical compound varies according to the rheological behavior of asphalts .
  • the individual components of the chemical compound vary depending on the different objectives to be achieved.
  • the ratio of lubricant and the ratio of light and heavy solvents to be added can be increased.
  • the preparation thereof is carried out at about 150 - 160°C and at a compaction power of 75 strikes a face, and they are tested at 60°C according to the aforementioned National road system Standard.
  • a hot mix bituminous mixture will be used at an asphalt plant.
  • the resulting mixture must be storable, and keep unaltered for a predetermined period of time as needed, and it should be capable of being extended by hand or by mechanical means (motor grader, asphalt finisher, asphalt-grouting equipments, etc.)
  • the modified asphalt cement to be used will contain plastomers, fluxes, adhesion enhancers and lubricants, such that its viscosity is as needed to produce a full coating of the aggregate, providing it with a suitable adhesion and furthermore allowing the mixture thus prepared to stay completely manageable for a preset period of time.
  • the stone aggregates to be employed must be of an excellent quality, from a granite source that is clay- and organic material-free, and they must meet the following requirements :
  • the Marshall stability will not be lesser than 500 kg.
  • Adhesiveness Bridge In order to achieve a perfect homogenization of the existing pavement and the micropavement to be applied, a priming or binding aspersion operation will be carried out, either with diluted asphalt or a polymer-modified asphalt emulsion, which will give the pavement sheet to be applied a perfect adherence and cohesion.
  • the amount to be applied per square meter will range from 0.250 liters/m 2 to 0.500 liters/m 2 .
  • bituminous materials consists of a mixture of stone aggregates and fluidized and additivized bituminous binder, hot-mixed by the supplier, such that it retains its workability and compactability properties, which allows for it to be stored prior to its application at the construction site. Its use makes it possible to reduce the cost of performing the constructive process, due to the fact that it can be spread and compacted at a medium and room temperature.
  • the role of the modified bituminous binder is therefore essential, since it insures the preservation of a suitable viscosity during storage.
  • the additives employed in the modified bituminous binder increase the bitumen - aggregate bond, thus counteracting the deleterious action of water that might eventually penetrate therein.
  • the aggregate used must be of the highest quality because:
  • the mixture must retain the lubricant effect produced by the flux and the additives. Thereafter, with the action of traffic and weather conditions, the mixture will attain its optimal behavior.
  • the modified bituminous binder along with a predetermined percentage of a solvent (Gas Oil) should be added, and when the temperature is under eight degrees centigrade it is desirable to cover it with a clear polyethylene film or the like, thereby keeping a control of the meteorological variables (greenhouse effect) .
  • a solvent Gas Oil
  • Granulometric limits expressed in terms of passing percentages according to different uses and thicknesses
  • aggregates of sizes (0-6) , (4-8) , (5-10) and (6- 12) are generally used.
  • the mixture is poured into a Marshall mold, on the base of which a polyethylene disc is previously placed, and 25 strikes are applied by a rod in order to arrange the particles. Thereafter, the surface of the mixture is covered by another polyethylene disc, a piston is placed thereon and an increasing intensity load is applied, up to a pressure of 135 kg/cm 2 at a rate of 5 mm/minute. The load is kept for five minutes and the mold is then removed.
  • test tubes undergo a curing process during one day in the open and three days in an oven at 60°C. Every day they are weighed to confirm the total loss of volatile material.
  • test tubes are assayed following the Marshall technique, but at a temperature of 25°C (after soaking in water for one hour at 25°C) .
  • Stability greater or equal to 500 kg.
  • the percentage of modified bituminous binder to be used in the preparation of the mix will range from 4.8 to 4.4 %, depending on the specific surface area of the arid mixture .
  • the asphalt mix may be used under extreme weather and time conditions, because it is cold laid and it does not require any type of additional component such as solvents and/or additives.
  • the mix is shipped in bulk, and it is stored in the open en a pyramidal shape, for up to two years without any kind of difficulties and without losing its physical- chemical properties. It can be laid over wet or drenched surfaces, it being possible to achieve the patching and paving in minimum thicknesses, providing the mix with the same characteristics as a hot-laid one.
  • the application is carried out by hand or mechanical means and it is extremely easy and safe, added to the fact that it can be immediately open to traffic.
  • the mix is waterproof, which improves its water resistance and allows for it to be laid at times when it is not possible to apply a hot mix, for example onto ditches wherefrom water has just been removed.
  • the mix After being laid and compacted at the construction site, the mix maintains its high cohesiveness and it exhibits a remarkable elastic behavior. It has the major capability to resist the reflection of all signs of cracks and fractures existing on the backing surface due to the fact that it is self-repaired merely by the traffic passing over it.
  • This feature is of the utmost importance when a traditional patching is carried out, since if such patching is made with a hot mix, it gets cold right away when used in small amounts, thus rendering small compaction equipments normally used ineffective, and precluding a suitable finish and waterproofing of the repair from being secured.
  • a cut-back asphalt can be used such as for example asphalts fluxed (additivized) with a solvent, gasoline, turpentine, and gas oil, depending on whether they are fast, intermediate or slow cut-off; or with fast cationic or anionic emulsions .
  • the surface is cleaned (either by hand or mechanically) . It is not necessary to frame or prime the pothole; where tacking is required, it will be at about 300 to 600 g/m 2 ; thereafter the asphalt concrete is applied in a thickness higher than level - 1 to 2 extra centimeters - and a slight compaction is carried out, whereafter it is made available for traffic.
  • a previous .tacking step is carried out at 300 to 600 g/m 2 with cut-back asphalt or an asphalt emulsion, whatever the case may be, this being applied with an asphalt finisher or a motor grader, once the supported mix has been spread over the entire area to be paved, or by hand, using the amount required to cover the predetermined thickness; it is then compacted with a motor roller and then with an air roller in succeeding passes.
  • a tank (sized according to the amount to be made) provided with a jet or a crossed paddle stirrer is used at a variable speed of up to +/- 140 r.p.m., with heating (e.g. in an oil bath) at a constant temperature of 80°C to 100°C, and the ingredients are added in the following sequence: a) the low molecular weight, low viscosity, low sulfur, light olefin hydrocarbon, in a liquid state, dosed in accordance with the amount to be made; b) the powder sulfonated naphtenic dispersant, in the required amount, adjusting the addition until an appropriate homogenization is achieved in the 20' to 40' period it takes to fully disperse; c) polypropylene, preferably polyisobutylene (e.g.
  • Opanol from BASF or VISTANEX from EXXON of high or even low molecular weight with stirring until homogeneous .
  • the stirring time required varies according to the amount to be prepared;
  • the high flash solvent e.g. Diesel Oil or Fuel Oil
  • Asphalt cement is introduced into a heated tank (an asphalt tank in a manufacturing plant) , e.g. and asphalt cement of 50/60 or 70/100 or 140/200 permeability) in a sufficient amount to meet the requirements, bringing the temperature thereof to 150°C - 160°C (recirculating it by means of the plant's asphalt pump) and adding the chemical compound (A+B) , this being recirculated until the Asphalt - Additive mix is fully homogeneous, thereafter adding the light and/or heavy solvent such as, e.g., kerosene or gas oil, in the required amount .
  • the heated tank can also be provided with a low revolution turbine in order to improve the mixing of the ingredients .
  • the A+B+C combination is referred to as Modified Asphalt Binder.
  • the cold-laid asphalt mix is prepared in an asphalt manufacturing plant in the same manner as the hot mix is made, except that care must be taken that the temperature of the modified asphalt binder (A+B+C) does not exceed 140°C (80 to 140°C for its preparation) and constantly recirculating the modified binder.
  • the aggregates previously placed in the hoppers are conveyed to the burner wherein they are heated at the same temperature as the binder in order to remove the moisture thereof, for example by means of special coils containing special oils at high temperatures within the temperature limits specified by each bitumen manufacturer and the binder is added to a mixer, in a predetermined proportion within a variable period depending on the hourly production capacity thereof (such as, e.g., 40/60 tons/h or 80/100 tons/h) .
  • the asphalt mix is made, it is placed on a hopper-shaped platform and it is then loaded into a dumping truck to be shipped to the storage place, where it is to be stored outdoors in the form of a pyramid until used.
  • Aggregates can include fillers such as ground slags that have been comminuted to different sizes, which are byproducts of steel blast or electric furnaces.
  • the fillers most frequently used are: aggregate crush powders, Portland-type cements, fly ashes, commercial limestones, asphaltite, etc.
  • crushed stone granite aggregates there can be mentioned the crushed stone granite aggregates, basalt aggregates, quartz aggregates, dolomite aggregates and ortho-quartz aggregates.
  • they can vary in accordance with the requirements in each zone.
  • Slags that have been crushed to different sizes are byproducts of blast or electric furnace steel processes.
  • the most frequently used fillers are: aggregate crush powders, Portland-type cements, fly ashes, commercial limestones, asphaltite.
  • the useful life of the material is 20 % longer than that of traditional mixes .
  • the application is faster, making it possible to rapidly release it to traffic.
  • minimum lifts can be used starting from 10 mm.
  • Flux It serves the purpose of improving the adhesiveness of the aggregate asphalt binder dyad, thus avoiding a future segregation of the aggregates . Therefore, it imparts a longer life on the pavement. It is comprised by: a) high viscosity polyisobutylene (low molecular weight hydrocarbon - propylene polymer) , b) Sulfur S (powder) (dispersant) , c) olefin hydrocarbon for lubrication. Its main features are:
  • Additive' s lubricant It is a refined olefin hydrocarbon of high viscosity, with good emulsifiability, that is anti-corrosive, anti-rust and anti-foaming.
  • the highly stable hydraulic oil or lubricant base possesses an excellent anti-rust protection.
  • Solvent in the Asphalt Mix It is a combination of medium and heavy distilled hydrocarbon (such as kerosene and gas oil) the main characteristics of which are as follows:
  • Freezing point (variable depending on the area to be used in; -50°C for cold areas and -5°C for mild temperature areas) .
  • Dispersant Detergent 300 parts per million.
  • the asphalt mix of the invention was tested based on the following composition:
  • Voids (Rice Method) : 4 % Minimum
  • test samples were made from a stored mix made 20 days before and they were tested at 60 and 40°C following the standards normally established for traditional asphalt mixes.
  • the mix was made at the asphalt manufacturing plant at a temperature of 140°C and it was stored outdoors, later to be applied at ambient temperature)
  • Asphalt cement can have a penetration of 50/60 or 70/100.
  • the structure of the chemical additive is as follows :
  • the stone aggregate for the asphalt mix will range from 96.3 % to 93.5 %.
  • the high viscosity raffinate has good emulsifiability, it is anti-corrosive, anti-rust and anti-foam. Its properties can be as follows:
  • Viscosity index 92 as per ASTM 2270 method
  • the lubricant base has high chemical stability and a very good anti-rust protection.
  • a typical modified asphalt cement according to this invention was prepared with the following components:

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

Abstract

L'invention concerne un additif modificateur de liant asphalte utile pour préparer des mélanges bitumineux, qui contient de 2 à 6 % en poids d'un fondant, de 20 à 70 % en poids d'un lubrifiant oléfinique raffiné et de 4 à 10 % d'un solvant, sur la base du liant asphalte.
PCT/EP2002/000045 2001-01-05 2002-01-04 Additif modificateur de liant asphalte utile dans la fabrication de melanges bitumineux prepares a chaud et poses a froid, et procede de fabrication de l'additif et des melanges WO2002053645A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP02708257A EP1349897A1 (fr) 2001-01-05 2002-01-04 Additif modificateur de liant asphalte utile dans la fabrication de melanges bitumineux prepares a chaud et poses a froid, et procede de fabrication de l'additif et des melanges
CL200301615A CL2003001615A1 (es) 2001-01-05 2003-08-12 Aditivo modificador de ligantes asfalticos, que comprende un fluidificante, un lubricante olefinico redinado, y un solvente, ligante asfaltico que comprende dicho aditivo y un cemento asfaltico, mezcla asfaltica, y procedimiento para elaborar dicho a

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US25967501P 2001-01-05 2001-01-05
US60/259,675 2001-01-05

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WO2002053645A1 true WO2002053645A1 (fr) 2002-07-11

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EP (1) EP1349897A1 (fr)
CL (1) CL2003001615A1 (fr)
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Cited By (8)

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Publication number Priority date Publication date Assignee Title
FR2859212A1 (fr) * 2003-08-25 2005-03-04 Total France Fluxant, solumere et composition bitumineuse en contenant, preparation et application de ces produits
WO2008070234A2 (fr) * 2006-09-05 2008-06-12 Alejandro Macome Additifs d'amélioration de l'asphalte
FR2911612A1 (fr) * 2007-01-23 2008-07-25 Total France Sa Composition bitumineuse aux proprietes thermoreversibles
US8202922B2 (en) 2008-04-08 2012-06-19 Total Raffinage Marketing Process for cross-linking bitumen/polymer compositions having reduced emissions of hydrogen sulphide
US8440011B2 (en) 2007-11-14 2013-05-14 Akzo Nobel N.V. Asphalt modifiers for “warm mix” applications including adhesion promoter
WO2014128517A1 (fr) * 2013-02-22 2014-08-28 Aniser Corporation Llc Catalyseur pour mélange d'asphalte
US9175446B2 (en) 2008-02-22 2015-11-03 A.L.M Holding Company Processing bituminous mixtures for paving at reduced temperatures
CN110845887A (zh) * 2019-11-25 2020-02-28 青岛瑞利特新材料科技有限公司 改性钢渣基颜填料替代铁红的金属防锈涂料及制备方法

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US3615803A (en) * 1968-08-01 1971-10-26 Phillips Petroleum Co Asphalt-asbestos plastic cement
US3859238A (en) * 1970-10-23 1975-01-07 Veba Chemie Ag Mixtures of bituminous vacuum residues and/or vacuum gas oils and amorphous polyolefins for the manufacture of shaped objects
WO1988008866A1 (fr) * 1987-05-12 1988-11-17 Interchimica S.P.A. Procede de preparation d'un agent modifiant pour bitume et produit ainsi obtenu
EP0685529A1 (fr) * 1994-05-11 1995-12-06 Hüls Aktiengesellschaft Préparation d'asphalte modifié par un polymère
WO1998007789A1 (fr) * 1996-08-23 1998-02-26 Ashland Inc. Matiere de base d'huile lubrifiante minerale pour le melange d'asphalte

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Publication number Priority date Publication date Assignee Title
US3615803A (en) * 1968-08-01 1971-10-26 Phillips Petroleum Co Asphalt-asbestos plastic cement
US3859238A (en) * 1970-10-23 1975-01-07 Veba Chemie Ag Mixtures of bituminous vacuum residues and/or vacuum gas oils and amorphous polyolefins for the manufacture of shaped objects
WO1988008866A1 (fr) * 1987-05-12 1988-11-17 Interchimica S.P.A. Procede de preparation d'un agent modifiant pour bitume et produit ainsi obtenu
EP0685529A1 (fr) * 1994-05-11 1995-12-06 Hüls Aktiengesellschaft Préparation d'asphalte modifié par un polymère
WO1998007789A1 (fr) * 1996-08-23 1998-02-26 Ashland Inc. Matiere de base d'huile lubrifiante minerale pour le melange d'asphalte
US5961709A (en) * 1996-08-23 1999-10-05 Marathon Ashland Petroleum Llc Environmentally improved asphalt compositions and their preparation

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005021655A2 (fr) * 2003-08-25 2005-03-10 Total France Fluxant, solumere et composition bitumineuse en contenant, preparation et applications de ces produits
WO2005021655A3 (fr) * 2003-08-25 2005-06-09 Total France Fluxant, solumere et composition bitumineuse en contenant, preparation et applications de ces produits
FR2859212A1 (fr) * 2003-08-25 2005-03-04 Total France Fluxant, solumere et composition bitumineuse en contenant, preparation et application de ces produits
US8017675B2 (en) * 2006-09-05 2011-09-13 Asphaltable S.A. Asphalt enhancing additive
WO2008070234A2 (fr) * 2006-09-05 2008-06-12 Alejandro Macome Additifs d'amélioration de l'asphalte
WO2008070234A3 (fr) * 2006-09-05 2008-08-28 Alejandro Macome Additifs d'amélioration de l'asphalte
FR2911612A1 (fr) * 2007-01-23 2008-07-25 Total France Sa Composition bitumineuse aux proprietes thermoreversibles
WO2008107551A3 (fr) * 2007-01-23 2008-11-13 Total France Composition bitumineuse aux propriétés thermoreversibles
WO2008107551A2 (fr) * 2007-01-23 2008-09-12 Total Raffinage Marketing Composition bitumineuse aux propriétés thermoreversibles
US8440011B2 (en) 2007-11-14 2013-05-14 Akzo Nobel N.V. Asphalt modifiers for “warm mix” applications including adhesion promoter
US8840717B2 (en) 2007-11-14 2014-09-23 Akzo Nobel N.V. Asphalt modifiers for “warm mix” applications including adhesion promoter
US9175446B2 (en) 2008-02-22 2015-11-03 A.L.M Holding Company Processing bituminous mixtures for paving at reduced temperatures
US8202922B2 (en) 2008-04-08 2012-06-19 Total Raffinage Marketing Process for cross-linking bitumen/polymer compositions having reduced emissions of hydrogen sulphide
WO2014128517A1 (fr) * 2013-02-22 2014-08-28 Aniser Corporation Llc Catalyseur pour mélange d'asphalte
CN105102544A (zh) * 2013-02-22 2015-11-25 拉斐尔·莱奥纳尔多·巴雷特·瓦莱罗 用于沥青混合物的催化剂
EP3008131A4 (fr) * 2013-02-22 2017-04-12 Rafael Leonardo Barroeta Valero Catalyseur pour mélange d'asphalte
CN110845887A (zh) * 2019-11-25 2020-02-28 青岛瑞利特新材料科技有限公司 改性钢渣基颜填料替代铁红的金属防锈涂料及制备方法

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