us9394652b2 warm mix asphalt binder compositions

Provide customers with tailor-made solutions

US9394652B2 - Warm mix asphalt binder compositions ...

US9394652B2 US14/223,569 US201414223569A US9394652B2 US 9394652 B2 US9394652 B2 US 9394652B2 US 201414223569 A US201414223569 A US 201414223569A US 9394652 B2 US9394652 B2 US 9394652B2 Authority US United States Prior art keywords paving warm mix lubricating asphalt asphalt binder Prior art date 2007-09-07 Legal status (The legal status is an assumption and is not a legal conclusion.

Get Price

US20190218395A1 - 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.

Get Price

US8679245B2 - Warm mix asphalt binder compositions ...

asphalt paving composition warm mix binder mix Prior art date 2007-09-07 Legal status (The legal status 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 status listed.) Active Application number US13/683,043 Other versions US20130074729A1 (en Inventor ...

Get Price

US8323394B2 - 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.

Get Price

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 ...

Get Price

Hot Mix Asphalts 101 - State

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

Get Price

Warm mix asphalt binder compositions containing ...

The present invention provides a functionally dry warm mix asphalt binder composition modified with lubricating agents or additives that can be mixed with aggregate ...

Get Price

Warm mix asphalt binder compositions containing ...

US-8679245-B2 chemical patent summary.

Get Price

US8679245B2 - Warm mix asphalt binder compositions ...

asphalt paving composition warm mix binder mix Prior art date 2007-09-07 Legal status (The legal status 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 status listed.) Active Application number US13/683,043 Other versions US20130074729A1 (en Inventor ...

Get Price

Warm Mix Asphalt - EAPA

Warm Mix Asphalt is an asphalt that is produced and applied at a temperature around 20 – 40 °C lower than an equivalent “Hot Mix Asphalt” (HMA). The information on this website focuses on Warm Mix Asphalt (WMA) technologies for producing asphalt at temperatures slightly above 100 °C with properties or performance equivalent to that of ...

Get Price

EP 3609959 A1 20200219 - WARM MIX ASPHALT COMPOSITIONS

Additionally disclosed is a warm mix asphalt composition comprising a warm mix asphalt binder and aggregate, and methods for its preparation thereof.[origin: WO2018189570A1] Disclosed herein is a warm mix asphalt additive comprising (a) a wax; (b) a phosphoric ester; and (c) a fatty amine.

Get Price

MIXING and COMPACTION RECOMMENDATIONS for WARM

utilizing warm mix asphalt (WMA) technologies to help with compaction, but still limited information exists on ... Asphalt Binders in Hot Mix Asphalt. Previous studies have attempted to quantify the workability of mixtures (either hot mix asphalt or ... amount of asphalt binder and aggregate composition.

Get Price

Warm mix asphalt binder compositions containing ...

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 mix paving composition is ...

Get Price

Airborne emissions of asphalt/wax blends for warm mix ...

Oct 15, 2017  1. Introduction. Hot mix asphalt (HMA) is a paving material, consisting of asphalt binder and mineral aggregates, which is generally manufactured in stationary or mobile blending plants at 170–190 °C and laid down at 140–160 °C, with significant percentage of energy consumption and release of pollutant fumes (Almeida-Costa and Benta, 2016, Rubio et al., 2013).

Get Price

(PDF) An Overall Review: Modified Asphalt Binder ...

An Overall Review: Modified Asphalt Binder Containing Sasobit in Warm-Mix Asphalt Technology. Jurnal Teknologi, 2015. Ramadhansyah Putra Jaya. mma aziz. Norhidayah Hassan.

Get Price

WARM MIX ASPHALT BINDER COMPOSITIONS CONTAINING ...

International Application No. 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 ...

Get Price

Low carbon-dioxide additive compositions and warm-mix ...

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 so as to be able to promote high-temperature physical properties of the WMA mixture as well as solve problems on low-temperature physical properties of the WMA mixture, warm-mix asphalt produced using the same, and a method of producing the ...

Get Price

Field-aged asphalt binder performance evaluation for ...

Abstract Evotherm is one of the chemical warm mix asphalt (WMA) technologies that has been widely used in sustainable asphalt pavement construction. But the long-term performance of such warm mix asphalt pavement has not been studied comprehensively. This study investigated the field-aged asphalt binder performance with three different Evotherm additives (ET, DAT and 3G) based on fourteen ...

Get Price

Evolution of the Microstructure of Warm Mix Asphalt ...

Oct 10, 2017  This study investigated the microstructural evolution of two binders, Pen 60 / 70 and PG 76-22, modified with two warm mix asphalt (WMA) additives, Advera (PQ Corporation, Malvern, Pennsylvania) and Sasobit (Sasol Wax, Sasolburg, South Africa), due to aging performed with an accelerated weathering tester. A new long-term aging protocol was utilized, which applies direct aging on the exposed ...

Get Price

Effectively curtail oxidation with warm mix asphalt ...

To discuss what we can use to reduce asphalt binder aging, we have to remember that there are two types of asphalt binder aging, the first is short-term aging, which occurs when the binder is heated to the temperatures used in the laboratory for asphalt mix designs and in the mixing plant

Get Price

WARM MIX ASPHALT BINDER COMPOSITIONS CONTAINING ...

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.

Get Price

Warm mix asphalt binder compositions containing ...

Complete Patent Searching Database and Patent Data Analytics Services.

Get Price

Warm mix asphalt binder compositions containing ...

C106S271000, C106S284060, C106S284400, C106S280000. Reexamination Certificate. active. 07981466. ABSTRACT: 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 ...

Get Price

Warm mix asphalt binder compositions containing ...

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 mix paving composition is ...

Get Price

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 ampholytic 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 mix paving composition ...

Get Price

HOT MIX ASPHALT PAVEMENT DESIGN GUIDE

There are a wide variety of hot mix asphalt compositions used in Maryland that vary from fine to coarse in size and gradation. Furthermore,Maryland hot mix asphalt mixtures ... Aggregate Size Binder Type Compaction Level Compacted Thickness Surface 9.5mm PG64-22 50 gyrations 1.5 ...

Get Price

Effectively curtail oxidation with warm mix asphalt ...

To discuss what we can use to reduce asphalt binder aging, we have to remember that there are two types of asphalt binder aging, the first is short-term aging, which occurs when the binder is heated to the temperatures used in the laboratory for asphalt mix designs and in the mixing plant

Get Price

(PDF) Rheological and chemical characteristics of warm mix ...

Rheological and chemical characteristics of warm mix asphalt binders at intermediate and low performance temperatures. Canadian Journal of Civil Engineering, 2013. serji amirkhanian. Fei Xiao. serji amirkhanian. Fei Xiao. PDF. Download Free PDF.

Get Price

Evaluating the Cracking Performance Indices of Half-Warm ...

Aug 09, 2021  Sustainability has recently gained a high profile in many fields. Construction, due to its huge demand to materials, is one of the important targets. More than 95% of roads are paved with hot mix asphalt (HMA). Production of HMA using virgin materials consumes a lot of energy and contributes to the emission of a considerably large volume of CO2. Therefore, the replacement of virgin materials ...

Get Price

Field-aged asphalt binder performance evaluation for ...

Abstract Evotherm is one of the chemical warm mix asphalt (WMA) technologies that has been widely used in sustainable asphalt pavement construction. But the long-term performance of such warm mix asphalt pavement has not been studied comprehensively. This study investigated the field-aged asphalt binder performance with three different Evotherm additives (ET, DAT and 3G) based on fourteen ...

Get Price

(PDF) Rheological and Environmental Characteristics of ...

Introducing crumb rubber (CR) into asphalt binder can both provide environmental benefits such as conservation of natural resources and conservation of landfill space and significantly improve rheological and mechanical performance characteristics of

Get Price

CHAPTER FOUR Asphalt Additives and Modifiers ...

Warm-mix asphalt treated mixtures produced low initial tensile strengths, but the strength of these mixtures improved with time (Watson et al. 2013). An important material property that influences the performance of an asphalt mixture is the surface free energy of the asphalt binder and the aggregate. ... The molecular composition of asphalt ...

Get Price

Characterization of warm mix asphalt binders containing ...

Abstract Reclaimed asphalt pavement (RAP) comprises one of the largest recycled materials, and warm mix asphalt (WMA) technologies become more commonly used due to their promising advantages in the United States and Europe. This paper addresses the laboratory investigation of performance properties of WMA binders containing aged binders. The recycled binders with the additives were produced ...

Get Price

Patents Assigned to A.L.M. Holding Company - Justia ...

Oct 01, 2010  Justia - Patents - Patents and Patent Application Resources. Abstract: 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.

Get Price