US Patent for Sulfur extended polymer for use in asphalt
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US Patent for Sulfur extended polymer for use in asphalt.

US9845371B2 - Sulfur extended polymer for use in ashpalt ...

US9845371B2 US14/658,726 US201514658726A US9845371B2 US 9845371 B2 US9845371 B2 US 9845371B2 US 201514658726 A US201514658726 A US 201514658726A US 9845371 B2

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US Patent for Sulfur extended polymer for use in asphalt ...

Mar 29, 2010  Justia Patents Coal, Bituminous Additive, Extract, Or Derivative Thereof; Or Oil Shale; Or Fatty Still Residue Dnrm US Patent for Sulfur extended polymer for use in

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US20160108203A1 - Sulfur extended asphalt modified with ...

The present invention relates to asphalt compositions. The present invention provides for a sulfur rubber asphalt binder composition that includes a base asphalt

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US20170183499A1 - Method of making sulfur extended asphalt ...

US20170183499A1 US15/453,586 US201715453586A US2017183499A1 US 20170183499 A1 US20170183499 A1 US 20170183499A1 US 201715453586 A US201715453586 A US

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US9624351B2 - Method of making sulfur extended asphalt ...

US9624351B2 US14/874,030 US201514874030A US9624351B2 US 9624351 B2 US9624351 B2 US 9624351B2 US 201514874030 A US201514874030 A US 201514874030A US 9624351 B2

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US Patent for Sulfur-in-oil in asphalt and polymer ...

Dec 16, 1999  A sulfur in oil in asphalt and polymer blend is disclosed. An asphalt and polymer blend is first prepared and then a slurry of solid sulfur in liquid oil added.

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US10240040B2 - Method of making sulfur extended asphalt ...

The present invention relates to asphalt compositions. The present invention provides for a sulfur rubber asphalt binder composition that includes a base asphalt

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SULFUR EXTENDED ASPHALT AS A MAJOR OUTLET FOR

SULFUR EXTENDED ASPHALT AS A MAJOR OUTLET FOR SULFUR THAT OUTPERFORMED OTHER ASPHALT MIXES IN THE GULF Mohammed Al

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US Patent for Method of rejuvenating road surfaces with ...

Apr 12, 2005  A composition for rejuvenating asphalt pavement according to the present invention comprises an asphalt binder, water, a cationic surfactant, a recycling agent, and

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Sulfur-in-oil in asphalt and polymer composition and ...

United States Patent 6133351 . Abstract: A sulfur in oil in asphalt and polymer blend is disclosed. ... Making blends of (sulfur/asphalt/polymer) is conventional. Use of flux oil to improve low temperature properties is well known. My invention is not, per se, the amount of sulfur, polymer, or flux oil added to the asphalt--all amounts added ...

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US Patent for Sulfur modified polyvinyl acetate (PVAc ...

Feb 07, 2013  Provided are a sulfur modified polymer composition, free from asphalt, bitumen or like compounds, and method of making same. The inclusion of 50% by weight sulfur, or greater, into the polymer composition results in a composition that is softer and having an increased melting point, relative to the unmodified polymer composition.

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Compatible asphalt-polymer blends - The Dow Chemical Company

Feb 29, 1996  The pretreatment of the asphalt with sulfur widens the asphalt-polymer compatibilization area as compared to the method of sulfur treatment of previous asphalt-polymer blends, for example, as disclosed in U.S. Pat. No. 4,145,322, wherein compatibilization means stabilization of the mixture such that it does not separate.

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US3738853A - Articles produced by casting of sulfur ...

US3738853A US3738853DA US3738853A US 3738853 A US3738853 A US 3738853A US 3738853D A US3738853D A US 3738853DA US 3738853 A US3738853 A US 3738853A Authority US United States Prior art keywords sulfur asphalt mixes casting pavements Prior art date 1971-10-05 Legal status (The legal status is an assumption and is not a legal conclusion.

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Solid sulfur-extended asphalt composition and method and ...

An improved sulfur-extended asphalt composition and method for use in making compacted bituminous concrete, whereby solid sulfur, preferably in powdered form, is added to liquid asphalt on substantially a 1:1 weight basis, the asphalt comprising less than 3.1% of the weight of the total bituminous concrete mixture.

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US Patent Application for HYDROGEN SULFIDE SCAVENGERS FOR ...

Nov 29, 2017  Scavenging compounds and compositions useful in reducing sulfide emissions from polymer treated asphalt, such as polyphosphoric acid, are disclosed. The scavengers include hexamethyl-enetetramine, water-free triazine, and water-free 1,3,5-triazine derivatives of formula I. Methods of using the compositions to reduce hydrogen sulfide emissions from asphalt are also

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Use of zinc oxide to improve compatibility of polymer ...

United States Patent 7365111 . Abstract: In methods of preparing asphalt and elastomeric polymer compositions crosslinked with phenol aldehyde resins and sulfur, such as polymer modified asphalt (PMA), it has been discovered that the MP1 compatibility may be improved by adding certain ionic metal oxides. Suitable ionic metal oxides include, but ...

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US20080200611A1 - Blends of Ethylene ... - Google Patents

US20080200611A1 US11/884,816 US88481606A US2008200611A1 US 20080200611 A1 US20080200611 A1 US 20080200611A1 US 88481606 A US88481606 A US 88481606A US 2008200611 A1 US2008200611 A1 US 2008200611A1 Authority US United States Prior art keywords asphalt ethylene elastomer composition plastomer Prior art date 2005-04-04 Legal status (The legal

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US Patent for Recycled oil- and rubber-modified asphalt ...

Feb 23, 2015  A asphalt binder modifier or a stand-alone asphalt binder and the method of making the asphalt binder or binder modifier are disclosed. The asphalt modifier or binder consisting of treated re-refined engine oil bottoms/VTB's treated by injecting air into re-refining engine oil bottoms/VTB's at temperatures between 150° F. and 550° F. The re-refined engine oil can be processed with ground ...

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Characterization of liquid state sulfur polymer/epoxy ...

Sep 25, 2017  Kennedy et al., reported that the durability and Marshall stability of sulfur-extended asphalt (SEA) increased with the content of sulfur . At the Sulfur World Symposium 2010, it was reported that mixtures of elemental sulfur and asphalt processed at 135 °C successfully paved road construction materials in the Gulf region, in which the paved ...

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Upgrading Iranian petroleum sludge using polymers ...

Dec 19, 2017  The results showed that asphalt resistance is increased using 25–50% sulfur and 2–7% butadiene styrene polymer. Therefore, Marshall asphalt samples with 30% sulfur were prepared with bitumen and oil sludge. Fifty percent oil sludge in bitumen and a 2% polymer and 15% oil sludge mix with bitumen gave the best results.

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Sulfur extended heavy oil fly ash and cement waste asphalt ...

Materials and Structures (2015) 48:205–216 DOI 10.1617/s11527-013-0177-3 ORIGINAL ARTICLE Sulfur extended heavy oil fly ash and cement waste asphalt mastic for roofing and waterproofing M. A. Dalhat • H. I. Al-Abdul Wahhab Received: 20 October 2012 / Accepted: 31 August 2013 / Published online: 7 September 2013 Ó RILEM 2013 Abstract Waste materials recycling has been the 1

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Sulfur extended heavy oil fly ash and cement waste asphalt ...

Sep 07, 2013  FHWA (2012) An alternative asphalt binder, sulfur-extended asphalt (SEA). FHWA-HIF-12-037, May 2012. 17. Kennepohl GJA, Miller LJ, Bean DC (1979) Built-up roofing using sulfur asphalt. US Patent No. 4,135,022. 18. Petrossi U, Bocca PL, Pacor P (1972) Reactions and technological properties of sulfur-treated asphalt. Ind Eng Chem Prod Res Dev 11 ...

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Civil Environmental Engineering - Patents

Sulfur asphalt in roofing, damp-proofing and water proofing. Number: SA5776. Patents in 2017. 1. Enhancing properties of sulfur extended asphalt using polyethylene wax. Number: CN105143326B. 2. Utilization of Heavy Oil Fly Ash to Improve Asphalt Binder and Asphalt

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Sulfur extended asphalt modified with crumb rubber for ...

Sulfur extended asphalt modified with crumb rubber for paving and roofing . United States Patent 9181435 . Abstract: This invention relates to asphalt compositions. ... The modified asphalts thus obtained commonly are referred to variously as bitumen/polymer binders or asphalt/polymer mixes. There is a need for a modification to hotmix asphalt ...

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POLYMERS AND THEIR USE IN ASPHALT COMPOSITIONS AND ASPHALT

United States Patent Application 20090192246 ... This invention relates to polymers and their use in asphalt compositions and asphalt concretes. BACKGROUND OF THE INVENTION. ... In one particular embodiment the polymer is extended to about 10 to 20% extended. In this embodiment, the curing agent may be present during the extending of the polymer.

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Use of zinc oxide to improve compatibility of polymer ...

United States Patent 7365111 . Abstract: In methods of preparing asphalt and elastomeric polymer compositions crosslinked with phenol aldehyde resins and sulfur, such as polymer modified asphalt (PMA), it has been discovered that the MP1 compatibility may be improved by adding certain ionic metal oxides. Suitable ionic metal oxides include, but ...

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KR101275232B1 - Use of inorganic acids with crosslinking ...

Asphalt and polymer mixtures treated with inorganic acids and crosslinked with sulfur and / or other crosslinkers or reaction promoters provide polymer modified asphalt with improved high temperature properties. Acid must be added to the asphalt before the crosslinker. Asphalt, Elastomer Polymers, Acids, Crosslinkers, Modified Asphalt

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KR20120115337A - Polymer-modified asphalt with a ...

KR20120115337A KR1020127019407A KR20127019407A KR20120115337A KR 20120115337 A KR20120115337 A KR 20120115337A KR 1020127019407 A KR1020127019407 A KR 1020127019407A ...

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‪Dr. Junaid Saleem‬ - ‪Google Scholar‬

Sulfur Extended Polymer for use in Asphalt Binder and Road Maintenance IA Hussein, MH Al Mehthel, HIAA Wahhab, SH Al Idi, J Saleem US Patent US9012542 B2 , 2015

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Partial substitution of asphalt pavement with modified sulfur

Dec 01, 2015  Sulfur Extended Asphalt (SEA) was originally developed and promoted in the 1970s and 80s by the US Bureau of Mines and Federal Highways. However, significant problems with storing hot sulfur at the asphalt mix plant as well as pre-blending the sulfur with the bitumen were encountered.

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Civil Environmental Engineering - Patents

Sulfur asphalt in roofing, damp-proofing and water proofing. Number: SA5776. Patents in 2017. 1. Enhancing properties of sulfur extended asphalt using polyethylene wax. Number: CN105143326B. 2. Utilization of Heavy Oil Fly Ash to Improve Asphalt Binder and Asphalt

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RESEARCH - KFUPM

1. Ibnelwaleed A. Hussein; Mohammed H. Al-Mehthel; Hamad I. Al-Abdul Wahhab; Junaid Saleem Akhtar; Saleh H. Al-Idi, “Sulfur Extended Polymer for Use in Asphalt binder and Road Maintenance”, US patent application # 2010/0256265 A1. October 7, 2011. 2.

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XANES measurements of sulfur chemistry during asphalt ...

Dec 15, 2015  The sulfur speciation in the unaged asphalt and after each stage of aging is dominated by thiophenic sulfur (62 to 67% relative), as indicated by the strong peak at 2471 eV. A high abundance of thiophenic sulfur has been commonly observed previously in crude oil asphaltenes, especially in thermally mature asphaltenes [39] , [40] , [47] , [48] .

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Mohammed SULEIMAN The University of Manchester ...

This Sulfur extended Polyvinyl Acetate copolymers (SEPC) were prepared in a melt blender at 100 rpm for different blending times and temperatures, and mixed with asphalt cement in shear blender to ...

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Rock Binders a Revolutionary New Asphalt Binder

Sulfur Extended Asphalt (SEA) was reborn in the 1970's as a way to reduce the cost of asphalt binder by extending neat binder during the "energy" crisis. It never reached a high level of use, even though it offered performance enhancement in the form of higher stabilities, it could only offer lower cost until the increases of raw materials ...

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(PDF) Oil-Sludge Extended Asphalt Mastic Filled with Heavy ...

Sulfur extended heavy oil fly ash and cement waste asphalt mastic for roofing and waterproofing. ... Effect of Mineral Filler Type and Particle Size on Asphalt-Filler Mastic and Stone Mastic Asphalt Laboratory Measured Properties. By Eltaher Aburkaba. Usage of two biomass ashes as filler in hot mix asphalt.

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Plastomer-modified asphalt binders meeting MSCR ...

United States Patent 9969649 ... Hussein et al., Influence of Polymer Type and Structure on Polymer Modified Asphalt Concrete Mix, Canadian Journal of Chemical Engineering, v 84, n 4, p. 480-487, Aug. 2006. ... Table 2 illustrates the effects of sulfur on asphalt binders contemplated herein.

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