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  • Gilsonite Natural Bitumen Road Engineering Chemical ...

    Wantuo Bitumen emulsifier is a type of surfactant, which is used to produce emulsified asphalt. Its chemical structure consists of a lipophilic group and a hydrophilic group. It can adsorb on the interface between asphalt particles and water, thus significantly reducing the free energy of the interface between asphalt and water.

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  • Effect of organic deicing agents on asphalt rheology

    2021-5-17 · A positive correlation exists between the cationic permeability and the change of asphalt rheological properties. The stronger the cationic permeability, the greater the influence on the asphalt rheological properties. The infiltration ability of cations to the base asphalt is stronger than that of the SBS modified asphalt. (3)

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  • Rheological Properties of SBS/CRP Composite Modified ...

    2020-11-2 · the low-temperature performance and anti-aging properties of SBS modified asphalt. Therefore, it is an e ective method to combine the crumb rubber powder (CRP) with the SBS as bi-modifier to improve the performance of the SBS modified asphalt binder, reduce the content of SBS in the modified asphalt and promote the recycling of resources.

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  • Property evaluation of a new selective water shutoff

    2014-4-5 · However, when the quartz was soaked with 114 system (Fig. 20D), the emulsified asphalt–quartz sand system was very stable after preparation, and only a small amount of asphalt coagulated on the sand-emulsion interface after 12 h. It can be seen from the above phenomenon that, the stability of the emulsified asphalt increased after the interaction of emulsified asphalt with quartz sand soaked by surfactant solution, and the stabilizing effect of 114 system …

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  • Dynamic stability of ethylene-vinyl acetate copolymer ...

    2017-12-15 · After characterized and analyzed with conventional physical performance test, differential scanning calorimetry (DSC) and Fourier transform infrared spectroscopy (FTIR), it can be found that the macro and micro properties of modified asphalt in the process of modification modified asphalt evolved from an unstable state to a dynamic stable state and until to a completely final stable state after …

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  • Vacuum Emulsifier Homogenizer - Ginhong

    2021-7-11 · Ginhong manufactures various types of Vacuum Emulsifier Homogenizers to suit client needs. Clients may choose from the RX, RS or RB series. The RX Emulsifier homogenizer is suitable for big batches and large quantities of powdery products. This type of equipment comes with working capacities between 50L-2000L.

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  • Highly stable graphite nanoparticle-dispersed phase

    2017-2-15 · The Hydrophile-Lipophile Balance (HLB) value of the compound emulsifier can be calculated according to Equation : (1) HLB mix = ∑ χ · HLB where χ represents the mass fraction of each component in the compound emulsifier. The HLB values of Tween-80 and Span-80 are 15 and 4.3, respectively.

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  • Synthesis and characterization of an amphiphilic lignin ...

    2021-6-1 · The elemental analysis results of AL, MCADE-AL and MCADE-AL-DETA showed changes in carbon (C%), oxygen (O%) and nitrogen (N%) content. ( Table 1 ) The content of nitrogen in alkali lignin is 0%. The nitrogen content of nitrogen in alkali lignin samples increased to 3.5 % after the introduction of MCADE, which was related to the amount of MCADE used during the reaction.

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  • IOP Conference Series: Materials Science and

    2019-8-8 · This article applies the stabilization mechanism of pickering emulsion to prepare emulsified asphalt, and uses nano silica particles as emulsifier. On this basis, we further investigate the physical stability of emulsified asphalt modified by nano silica through analyzing and studying the sieve residue and storage stability, and establish a solid basis for subsequent development and further research.

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    Search the world's information, including webpages, images, videos and more. Google has many special features to help you find exactly what you're looking for.

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  • Synthesis of a novel betaine-type asphalt emulsifier

    2012-5-17 · A novel betaine-type asphalt emulsifier, 3-(dodecyloxy)-2-hydroxypropan-N-carboxymethyl-N,N-dimethylammonium chloride, has been synthesized in a three-step reaction from lauryl alcohol, epichlorohydrin, dimethylamine, and chloroacetic acid. The optimum reaction conditions were obtained for synthesis of 2-(dodecyloxymethyl)oxirane in the first step.

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  • Characterization of Sulphoaluminate Cement-Asphalt ...

    2020-5-12 · A sulpho cement-asphalt emulsion mortar was developed for the repair of damaged cement asphalt emulsion mortar. Various sulfoaluminate/Portland cement and asphalt emulsion/cement mass ratios, as well as emulsion types, were studied with respect to the setting time, rheological properties, volume stability, and mechanical properties of the repair materials in order to determine a reasonable …

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  • 105 NEW VERSATILE BITUMEN EMULSIFIER FOR COLD

    2021-3-13 · renewable raw materials, this new emulsifier allows to produce emulsions with outstanding coating/workability properties, particularly suited for cold mix applications. Purpose of this article is to follow the project from the scope of work to the field trial on a rural country road going through all steps from laboratory to industrial production.

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  • Characterising the influence of bitumen emulsion on ...

    2014-4-24 · To make the road infrastructure more competitive and sustainable, a long-term transition to cold asphalt technologies, especially those which involve bitumen emulsions is necessary. However, to minimise the compromise on mechanical performance compared to the conventional technologies, the objective of this research was to propose a comprehensive method for evaluating the contribution of …

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  • Rheological Properties of SBS/CRP Composite Modified ...

    2020-11-2 · modified asphalt binder and are lack of the system evaluation of the rheological properties of SBS/CRP composite modified asphalt from the aspects of high-temperature and low-temperature performances under di erent aging treatments. Meanwhile, the conditions of these modified asphalts in alpine cold regions are rarely considered [28–30].

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  • Journal of Physics: Conference Series, Volume 1625,

    2020-9-16 · The more filler levels used in the asphalt mixture, the greater the value of stability and MQ. While the flow value, density, VIM, VMA, VFA are getting smaller. Other factors that influence marshall characteristic values are asphalt content used, aggregate gradation, temperature in compaction, mix quality, and the process of mixing asphalt.

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  • Emulsions: making oil and water mix - AOCS

    How emulsions and emulsifiers work. Simple emulsions are either oil suspended in an aqueous phase (o/w), or water suspended in oil (w/o). Milk is an example of an o/w emulsion, in which the fat phase or cream forms tiny droplets within the skim milk, or water phase. In contrast, margarine is a w/o emulsion containing droplets of water or skim ...

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  • Journal of Physics: Conference Series, Volume 1353,

    The International Conference High-tech and Innovations in Research and Manufacturing (HIRM-2019) took place in Krasnoyarsk, Russia, on May 6, 2019. The conference was organized by AeroSpace school (Krasnoyarsk, Russia) and IT Lab (Krasnoyarsk, Russia). HIRM 2019 aimed to develop the scientific cooperation between Russian and international ...

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  • Roofing Systems | WBDG - Whole Building Design Guide

    2021-7-11 · Vacuum Emulsifier Homogenizer. Ginhong is a professional vacuum emulsifier homogenizer machine supplier in China, our mixers widely used to make cream, ointment, lotion and emulsion in cosmetic, pharmaceutical, food and chemical industries. Follow the product links below to learn more about each Ginhong vacuum homogenizer emulsifier machine.

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  • Polyfunctional Modifiers for Bitumen and Bituminous ...

    Over the last decade increase in capacity and the intensity of vehicular traffic has increased manifoldly, including heavy trucks, super singles, and higher tire pressures, resulting in significant increase of dynamic loads on the road surface which in turn lead to high quality requirements for bitumen in order to avoid premature wear and failure of asphalt concrete pavements.

    Get Price
  • Journal of Physics: Conference Series, Volume 1353,

    The International Conference High-tech and Innovations in Research and Manufacturing (HIRM-2019) took place in Krasnoyarsk, Russia, on May 6, 2019. The conference was organized by AeroSpace school (Krasnoyarsk, Russia) and IT Lab (Krasnoyarsk, Russia). HIRM 2019 aimed to develop the scientific cooperation between Russian and international ...

    Get Price
  • ASTM International - Journal of Testing and Evaluation ...

    Characterization of the Bonding Fracture Properties of the Asphalt-Aggregate System Using a Thin-Film Interface Test. Use of the Multiple Stress Creep Recovery (MSCR) Test Method to Characterize Polymer-Modified Asphalt Binders. Influence of Limestone Addition on the Performance of Cement Mortars and Pastes Exposed to a Cold Sodium Sulfate Solution

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  • IOP Conference Series: Materials Science and

    The 4th International Conference on Civil Engineering and Materials Science (ICCEMS 2019) and the 2nd International Conference on Nanomaterials, Materials and Manufacturing Engineering (ICNMMS 2019) were jointly held in Bangkok, Thailand in May 2019. Since their inception, both the ICCEMS and ICNMM have been attracting many delegates from all ...

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  • Why Tack Coats Improve Parking Lots and Driveways |

    2013-1-26 · A series of nanocapsules with carboxymethyl cellulose (CMC)-modified melamine-formaldehyde as the shell material and phase change paraffin as the core material were prepared by in situ polymerization. The modified capsules were examined using Fourier transform infrared spectra, scanning electronic microscope, differential scanning calorimeter, and optical microscopy, and two …

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  • Preparation and Thermal Energy Storage of

    2018-10-2 · Asphalt is the most common material used to surface roads, for several reasons: it creates a safe, quiet surface for driving, it can be laid down quickly and without complex...

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  • Researchers Develop and Test an Asphalt 3D Printer

    With the development of human society, the requirements for building materials are becoming higher. The development of polymer materials and their application in the field of architecture have greatly enhanced and broadened the functions of building materials. With the development of material science and technology, many functional materials have been developed.

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  • Recent Progress in Polymer-Based Building Materials

    Markets and consumers worldwide rely on our essential solutions to manufacture everyday products, such as personal care, cleaning goods, paints and coatings, agriculture and food, pharmaceuticals, and building products. Furthermore, the dedication of more than 7,9 00 employees with a shared commitment to our customers, business growth, safety, sustainability and innovation has resulted in a ...

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  • Performance Characteristics of Silane Silica Modified

    2016-2-28 · Rotational viscosity of asphalt 135°C shown in Figure 3 had upward trend in 0% to 4%, mainly due to the full reaction between of asphalt and silane silica, while the viscosity decreased when silane silica mixing amount is more than 4%; this is because mixture contains excess modified material, and it cannot fully react; in other words silane silica maintains the original state in asphalt.

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  • ASTM International - Journal of Testing and Evaluation ...

    Characterization of the Bonding Fracture Properties of the Asphalt-Aggregate System Using a Thin-Film Interface Test. Use of the Multiple Stress Creep Recovery (MSCR) Test Method to Characterize Polymer-Modified Asphalt Binders. Influence of Limestone Addition on the Performance of Cement Mortars and Pastes Exposed to a Cold Sodium Sulfate Solution

    Get Price
  • Guidelines for Design, Installation, and Maintenance of a ...

    2005-7-14 · life of the asphalt roadway (for example, 15 to 20 years in rural areas with low average daily traffic). This system met performance criteria in laboratory tests that consisted of localized differential deflection between joints and bond shear strength between each layer of the asphalt– membrane system. An added benefit of this system is that the

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  • IOP Conference Series: Earth and Environmental

    Four BRHA were used as in this study namely 0%, 2%, 4%, and 6% (by weight binder). The stability and voids properties of asphalt mixture were determined based on Marshall Mix design test. Test results show that the stability of hot mix asphalt incorporating BRHA was higher than the controlled mixture.

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  • Research status and analysis of stabilization

    2020-10-30 · The steam-assisted gravity drainage extraction of asphalt has been widely used in oil sands; the asphalt slurry separation extracted from sand will usually contain approximately 60 wt% asphalt, 30 wt% water, and 10 wt% solid asphalt foam, which are then diluted to form stable water-in-diluted bitumen emulsion. 6, 7 Emulsions reduce the service ...

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  • Journal of Physics: Conference Series, Volume 1625,

    2020-9-16 · The more filler levels used in the asphalt mixture, the greater the value of stability and MQ. While the flow value, density, VIM, VMA, VFA are getting smaller. Other factors that influence marshall characteristic values are asphalt content used, aggregate gradation, temperature in compaction, mix quality, and the process of mixing asphalt.

    Get Price
  • Roofing Systems | WBDG - Whole Building Design Guide

    How emulsions and emulsifiers work. Simple emulsions are either oil suspended in an aqueous phase (o/w), or water suspended in oil (w/o). Milk is an example of an o/w emulsion, in which the fat phase or cream forms tiny droplets within the skim milk, or water phase. In contrast, margarine is a w/o emulsion containing droplets of water or skim ...

    Get Price
  • Emulsions: making oil and water mix - AOCS

    A global specialty chemicals leader. Markets and consumers worldwide rely on our essential solutions to manufacture everyday products, such as personal care, cleaning goods, paints and coatings, agriculture and food, pharmaceuticals, and building products. Furthermore, the dedication of more than 7,900 employees with a shared commitment to our ...

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  • Products and solutions - Nouryon

    2021-3-22 · Dietary Supplement Label Database (DSLD): The Dietary Supplement Label Database (DSLD) (https://dsld.od.nih.gov) includes full label derived information from dietary supplement products marketed in the U.S. with a Web-based user interface that provides ready access to label information. This site is now being updated and maintained for access by the NIH Office of Dietary Supplements

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  • Polyfunctional Modifiers for Bitumen and Bituminous ...

    Over the last decade increase in capacity and the intensity of vehicular traffic has increased manifoldly, including heavy trucks, super singles, and higher tire pressures, resulting in significant increase of dynamic loads on the road surface which in turn lead to high quality requirements for bitumen in order to avoid premature wear and failure of asphalt concrete pavements.

    Get Price
  • Recent Progress in Polymer-Based Building Materials

    With the development of human society, the requirements for building materials are becoming higher. The development of polymer materials and their application in the field of architecture have greatly enhanced and broadened the functions of building materials. With the development of material science and technology, many functional materials have been developed.

    Get Price
  • Experimental Study on Mesoscopic Shear Behavior of ...

    2020-11-23 · The study of the mesostructure of soil under loading is the basis for understanding its macromechanical properties and for establishing its constitutive model. In this study, a series of shear tests was performed on dry calcareous sand under constant normal stress by a modified direct shear apparatus. Digital images of the sample at different shear stages are obtained.

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  • CBD-74. Properties of Bituminous Membranes - NRC

    2007-12-7 · There are a number of additives that improve adhesion properties, making it possible for bitumens to adhere to a wet surface and even retain their bond when later wetting of the bitumen-solid interface occurs. Anti-oxidants retard the rate of hardening from chemical and internal structure changes resulting from oxidation.

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  • Advanced Materials and Energy Sustainability

    2016-5-29 · ISBN: 978-981-3220-40-9 (ebook) Checkout. Description. Chapters. Supplementary. 2016 International Conference on Advanced Materials and Energy Sustainability [AMES2016] was held in Wuhan, Hubei, China during May 27–29, 2016. AMES2016 aims to bring together researchers, engineers, and students to participate in the discussion of Advanced ...

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  • A review of development methods and EOR

    In order to improve the safety, operability, and cleanability of the dust suppressant, this paper uses the surfactant monomers selected in the previous experiment as the main material formula and adds the inorganic salt as the synergist to prepare the dust suppressant for the PM X . The wetting property of the solution was characterized by the surface tension and contact angle of the pressed ...

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  • Preparation of Lignite Dust Suppressant by

    2013-1-26 · A series of nanocapsules with carboxymethyl cellulose (CMC)-modified melamine-formaldehyde as the shell material and phase change paraffin as the core material were prepared by in situ polymerization. The modified capsules were examined using Fourier transform infrared spectra, scanning electronic microscope, differential scanning calorimeter, and optical microscopy, and two …

    Get Price