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us20110214589a1 warm mix asphalt binder compositions

us20110214589a1 warm mix asphalt binder compositions

US20110214589A1 - Warm mix asphalt binder compositions ...

The present invention provides a functionally dry warm mix asphalt binder composition modified with lubricating agents or additives that can be mixed with aggregate and compacted at temperatures substantially below asphalt binder compositions that do not contain the disclosed lubricating additives.

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US20020170464A1 - Process and system for production of a ...

The invention describes a process for preparing a warm mix asphalt composition by mixing an aggregate grain material with a soft binder, and adding a hard binder to the mixed aggregate grain material. The hard binder is foamed in a foaming process before it is introduced to the mixed grained aggregate material. A system for preparing the warm mix asphalt composition comprising a drying drum ...

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Evaluation for Warm-Mix Additive-Modified Asphalt Binders ...

To capture the basic fingerprint of asphalt binders, spectroscopy devices can be handy and useful. In particular, this study evaluated the effects of two warm-mix asphalt (WMA) additives, Sasobit and aspha-min, on the chemical compositions of a performance grade binder (PG 64-22).

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Warm mix asphalt binder compositions containing ...

The following is claimed: 1. An asphalt paving composition comprising functionally dry, essentially water-free, non-foamed asphalt binder containing lubricating additive comprising an anionic surfactant or a non-ionic surfactant mixed with uncompacted aggregate to provide aggregate coated with binder and lubricating additive suitable for use as a warm mix paving composition; wherein the warm ...

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Rheological properties of asphalt binders prepared with ...

Warm mix asphalt (WMA) has some advantages relative to Hot mix asphalt (HMA), the high temperatures employed during the production of HMA generate negative impacts on the environment and to the health of workers exposed to asphalt fumes. Because of this fact, this research studied the use of maize oil for the production of mixtures WMA.

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Investigation of two Warm Mix Asphalt additives ...

2016-3-1  The samples investigated, as shown in Table 1, were prepared by adding the two WMA additives to the hot asphalt cements (AC-1, 2 and 3) in a set of one gallon paint cans followed by vigorous stirring at 150 °C for at least 15 min. RAP derived binder was added to the modified RAF samples in a one liter can and mixed under similar intensity for equal duration for further investigation.

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Chemical and rheological evaluation of asphalts ...

2019-2-20  The asphalt mixtures incorporated various contents of reclaimed asphalt pavement (RAP) and recycled asphalt shingles (RAS) and warm-mix asphalt (WMA) technologies. The determined asphalt binder parameters generally presented consistent trends with respect to RAP/RAS content.

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Warm asphalt binder compositions containing lubricating ...

2007-10-12  BACKGROUND. International Application WO 2007/032915, incorporated by reference herein, reports a warm mix asphalt binder composition and process that injects a foaming, lubricating aqueous solution into a stream of asphalt cement prior to incorporation of the asphalt cement plus foaming, lubricating solution with aggregate at reduced temperatures to produce a warm mix asphalt

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Evaluation for Warm-Mix Additive-Modified Asphalt Binders ...

In particular, this study evaluated the effects of two warm-mix asphalt (WMA) additives, Sasobit and aspha-min, on the chemical compositions of a performance grade binder (PG 64-22).

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Optimization of preparation procedure of liquid warm mix ...

2017-1-10  Warm mix asphalt (WMA) is a sustainable paving technology which improves the workability of asphalt mixture (Rubio et al., 2012) and (Oliveira et al., 2013). As a result, the application of WMA leads to lower energy consumption, emission and odors during asphalt pavement construction.

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WARM MIX ASPHALT BINDER COMPOSITIONS CONTAINING ...

In summary, PPA at typical usage levels (0.2 to 1 wt %) can serve as a lubricating additive in the production of warm mix asphalt binder compositions. Example 5. A PG 64-28 asphalt binder was made by blending 0.75 weight percent polyphosphoric acid with a PG 58-28 asphalt cement. To this blend was added 0.5 wt % phosphate ester antistripping ...

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WARM MIX ASPHALT BINDER COMPOSITIONS CONTAINING ...

2010-3-5  WARM MIX ASPHALT BINDER COMPOSITIONS CONTAINING LUBRICATING ADDITIVES. (PAT - MX2010002588) REINKE GERALD H, BAUMGARDNER GRAYLON L, ENGBER STEVEN L ALM HOLDING CO. Patent: Patent of Invention - Mexico. Application: MX20100002588 on 2010-03-05 ...

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Warm mix asphalt binder compositions containing ...

Complete Patent Searching Database and Patent Data Analytics Services.

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EP 3609959 A1 20200219 - WARM MIX ASPHALT COMPOSITIONS

524966291 - EP 3609959 A1 20200219 - WARM MIX ASPHALT COMPOSITIONS AS A PAVEMENT SURFACE TREATMENT - [origin: WO2018189570A1] Disclosed herein is a warm mix asphalt additive comprising (a) a wax; (b) a phosphoric ester; and (c) a fatty amine. Preferably component (a) is a fatty amide wax and component (b) is a C16-C18 alkyl phosphoric ester.

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COMPOSITIONS AND METHODS FOR HOT AND WARM MIX ASPHALT ...

This approach to producing asphalt concrete is commonly referred to as warm mix asphalt concrete and many anti stripping additives are marketed as warm mix additives. This lower temperature production is accomplished by the additive thinning or reducing the viscosity of the asphalt binder at cooler temperatures, allowing the sufficient coating ...

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(PDF) Microstructure of Warm Mix Asphalt Binder Exposed to ...

PDF On Jan 1, 2016, Ilaria Menapace and others published Microstructure of Warm Mix Asphalt Binder Exposed to UV Light and Heat Find, read and cite all the research you need on ResearchGate

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LOW CARBON-DIOXIDE ADDITIVE COMPOSITIONS AND WARM-MIX ...

LOW CARBON-DIOXIDE ADDITIVE COMPOSITIONS AND WARM-MIX ASPHALT BINDER AND MIXTURE PRODUCTION METHOD USING THE ADDITIVE . United States Patent Application 20110203484 . Kind Code: A1 . Abstract: Provided are a low carbon additive for a warm-mix asphalt (WMA) mixture, in which vegetable wax based on modified palm wax is mixed into polyethylene wax ...

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Optimization of preparation procedure of liquid warm mix ...

2017-1-10  1. Introduction. Warm mix asphalt (WMA) is a sustainable paving technology which improves the workability of asphalt mixture (Rubio et al., 2012) and (Oliveira et al., 2013).As a result, the application of WMA leads to lower energy consumption, emission and odors during asphalt

get price

Investigation of two Warm Mix Asphalt additives ...

2016-3-1  The samples investigated, as shown in Table 1, were prepared by adding the two WMA additives to the hot asphalt cements (AC-1, 2 and 3) in a set of one gallon paint cans followed by vigorous stirring at 150 °C for at least 15 min. RAP derived binder was added to the modified RAF samples in a one liter can and mixed under similar intensity for equal duration for further investigation.

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Relationship between Molecular Compositions and ...

The main objective of this study was to establish the relationship between asphalt binder deformation properties at intermediate and low temperatures, its molecular compositions, and mix performance. To achieve this objective, nine straight binders obtained from two asphalt suppliers were tested using the ductility and the direct tensile tests.

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WARM MIX ASPHALT BINDER COMPOSITIONS CONTAINING ...

2010-3-5  WARM MIX ASPHALT BINDER COMPOSITIONS CONTAINING LUBRICATING ADDITIVES. (PAT - MX2010002588) REINKE GERALD H, BAUMGARDNER GRAYLON L, ENGBER STEVEN L ALM HOLDING CO. Patent: Patent of Invention - Mexico. Application: MX20100002588 on 2010-03-05 ...

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(PDF) Microstructure of Warm Mix Asphalt Binder Exposed to ...

PDF On Jan 1, 2016, Ilaria Menapace and others published Microstructure of Warm Mix Asphalt Binder Exposed to UV Light and Heat Find, read and cite all the research you need on ResearchGate

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Rheological and chemical characteristics of warm mix ...

Therefore, the effects of reduced aging temperature by warm-mix asphalt (WMA) technology on properties of short-term aged thermochromic asphalt binder were investigated in this research in terms ...

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Hot Mix Asphalts 101 - State

2012-5-3  liquid asphalt binder before being mixed at the hot mix asphalt plant (i.e., rubber is wet before mixing) – Dry Process – rubber is added at the same time the asphalt and aggregate are mixed (i.e., rubber is dry before mixing)

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Optimization of preparation procedure of liquid warm mix ...

It is particularly suitable for asphalt rubber (AR) pavement, which provides longer service life and lower road-tyre noise but requires higher production temperature. Evotherm-DAT, a common liquid warm-mix asphalt (WMA) additive, can effectively improve the workability of AR binder, thus reducing the construction temperature of AR pavement.

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Cracking Properties of Warm Mix Asphalts Containing ...

The modifier enhances the asphalt binder's rheological and physical properties but increases the production temperatures of asphalt pavement. Nevertheless, warm mix asphalt (WMA) production at ...

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at mixing and compaction temperatures Tribological and ...

2019-10-3  Tribological and wettability study of non foaming warm mix asphalt additives at mixing and compaction temperatures Flavien Geisler1, a, Philippe Kapsa1, b, Laurence Lapalu2, c 1 Laboratoire de Tribologie et Dynamique des Systèmes, CNRS - Ecole Centrale de Lyon, ECULLY, France 2 Centre de Recherche, TOTAL MARKETING AND SERVICES, SOLAIZE, France a [email protected]

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Study of characteristic specification on mixed mode ...

2014-3-15  Generally, a hot mix asphalt (HMA) material is a composite material consists of at least four main parts namely: aggregate, filler material, binder (bitumen) and air void. Variation in the type and the amount of each part in the composition of mixture may affect the performance and strength properties of the HMA materials.

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Characterization of Warm Mix Agent and Its Influence on ...

2019-2-24  Warm mix agent is the key factor to restrict the performance of warm mix asphalt. In this paper, methods of X-ray diffraction, thermal stability test, and laser particle size analysis were used to test and analyze the internal structure, composition, and properties of three kinds of warm mix agents. In order to study the performance impact of the warm mix agent on SBS-modified asphalt, the ...

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Effects of Surfactant Warm-Mix Additives on the ...

2020-4-25  In order to evaluate the possibility of the application of warm mixing technology in high-viscosity asphalt mixture, in this paper, the effects of surfactant warm-mix additives (WMAs) on physical and rheological properties of high-viscosity asphalt (HVA) which was prepared with self-developed SBS/C 9 petroleum resin blends (SPR) modifier were measured.

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