Academic literature on the topic 'Peroxide devulcanization'

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Journal articles on the topic "Peroxide devulcanization"

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Verbruggen, M. A. L., L. van der Does, J. W. M. Noordermeer, M. van Duin, and H. J. Manuel. "Mechanisms Involved in the Recycling of NR and EPDM." Rubber Chemistry and Technology 72, no. 4 (1999): 731–40. http://dx.doi.org/10.5254/1.3538830.

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Abstract The thermochemical recycling of natural rubber (NR) and ethylene-propylene-diene rubber (EPDM) vulcanizates with disulfides was studied. NR sulfur vulcanizates were completely plasticized when heated with diphenyldisulfide at 200 °C. It could be concluded that both main chain scission and crosslink scission caused the network breakdown. NR peroxide vulcanizates were less reactive towards disulfide at 200 °C, and only reacted through main chain scission. For EPDM a temperature range of 200–275 °C was studied. In the presence of diphenyldisulfide at 200 °C there was almost no devulcaniz
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Deepa, H. A., Chandini N V, Himanshu Mishra, Priyanka Sahu, and R. Neelesh. "Innovative Method of Devulcanizing Waste Rubber from the Automotive Industry." Current Journal of Applied Science and Technology 43, no. 7 (2024): 1–8. http://dx.doi.org/10.9734/cjast/2024/v43i74401.

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Chemical devulcanization of waste rubber from the automotive industry was carried using benzoyl peroxide as devulcanizing agent and, o-xylene and toluene, as solvents. The effect of time on the process of devulcanizing was investigated. The extent of sulphur removal from the reclaimed rubber was studied by using EDAX technique. Thus, this devulcanized rubber can be blended with virgin rubber and on revulcanizing the mixture, it becomes possible to reuse waste rubber and give it a new life.
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MOURI, Makoto, Norio SATO, Hirotaka OKAMOTO, et al. "Continuous Devulcanization by Shear Flow Stage Reaction Control Technology for Rubber Recycling. Part 8. Devulcanization Condition for Peroxide-Crosslinked EPDM and Mechanical Properties of Sulfur-Crosslinked Reclaimed Rubber." NIPPON GOMU KYOKAISHI 73, no. 11 (2000): 612–16. http://dx.doi.org/10.2324/gomu.73.612.

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Wiśniewska, Paulina, Łukasz Zedler, Mariusz Marć, Marek Klein, Józef Haponiuk, and Krzysztof Formela. "Ground Tire Rubber Modified by Elastomers via Low-Temperature Extrusion Process: Physico-Mechanical Properties and Volatile Organic Emission Assessment." Polymers 14, no. 3 (2022): 546. http://dx.doi.org/10.3390/polym14030546.

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In this paper, low-temperature extrusion of ground tire rubber was performed as a pro-ecological waste tires recycling method. During this process, ground tire rubber was modified with constant content of dicumyl peroxide and a variable amount of elastomer (in the range: 2.5–15 phr). During the studies, three types of elastomers were used: styrene-butadiene rubber, styrene-ethylene/butylene-styrene grafted with maleic anhydride and ethylene-octene copolymer. Energy consumption measurements, curing characteristics, physico-mechanical properties and volatile organic compounds emitted from modifi
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Manaila, Elena, Gabriela Craciun, Daniel Ighigeanu, and Maria Daniela Stelescu. "Water Absorption Kinetics in Composites Degraded by the Radiation Technique." Materials 14, no. 16 (2021): 4659. http://dx.doi.org/10.3390/ma14164659.

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Rubber-based wastes represent challenges facing the global community. Human health protection and preservation of environmental quality are strong reasons to find more efficient methods to induce degradation of latex/rubber products in order to replace devulcanization, incineration, or simply storage, and electron beam irradiation is a promising method that can be can be taken into account. Polymeric composites based on natural rubber and plasticized starch in amounts of 10 to 50 phr, obtained by benzoyl peroxide cross-linking, were subjected to 5.5 MeV electron beam irradiation in order to in
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Joseph, Anu Mary, Benny George, K. N. Madhusoodanan, and Rosamma Alex. "CURE CHARACTERISTICS OF DEVULCANIZED RUBBER:THE ISSUE OF LOW SCORCH." Rubber Chemistry and Technology 90, no. 3 (2017): 536–49. http://dx.doi.org/10.5254/rct.17.83737.

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ABSTRACT We investigate the reasons behind the observed low scorch during the revulcanization of devulcanized rubber. Mechanically devulcanized carbon black filled natural rubber vulcanizates originally cured by conventional vulcanization (CV), semiefficient vulcanization (semi EV), efficient vulcanization (EV), and peroxide systems as well as buffing dust obtained from pre-cured tread with known formulation were used. Revulcanization of these devulcanized samples using sulfur/sulfonamide system led to the following observations; irrespective of the type of sulfur cure system used for the init
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Hariyanto, Yonchen, Chen Wai Wong, Joash Ban Lee Tan, and Eric Wei Chiang Chan. "Low‐Temperature Rubber Devulcanization via Sulfate Removal Using Hypochlorous Acid and Novel Turbidimetric Analysis." Journal of Applied Polymer Science, April 15, 2025. https://doi.org/10.1002/app.57132.

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ABSTRACTThis study presents a novel approach to rubber devulcanization using a combination of hydrochloric acid (HCl) and hydrogen peroxide (H2O2) as an alternative to traditional nitric acid‐based methods. The optimized process, utilizing HCl and H2O2 relative to the rubber's weight, demonstrated superior sulfur removal compared to conventional nitric acid treatments. Notably, the H2O2:HCl combination achieved significant sulfur extraction, reducing SO4 content by 0.00444 g at 120% w/w concentration. This process effectively restores rubber to a gummy state with minimal oxidation (17.95%), ma
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Dissertations / Theses on the topic "Peroxide devulcanization"

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Broman, Emelie. "Devulcanization and reuse of peroxide cured EPDM rubber for a greener world." Thesis, Blekinge Tekniska Högskola, Institutionen för maskinteknik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-21860.

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Waste management of vulcanized rubber is a serious environmental problem as the molecular structure formed during the process complicates recycling. Due to this, researchers have developed a process that can break the strong bonds and return the rubber to its original state. This process is called devulcanization and is developed for the tire industry due to the large amount of waste formed from this sector. This rubber is vulcanized with sulfurs like 90 % of other rubber products. However, there exist other products that are vulcanized with peroxides where much less research has been done. Du
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Conference papers on the topic "Peroxide devulcanization"

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Temram, Chokkanit, and Karnthidaporn Wattanakul. "Investigation the degradation and devulcanization reaction of thermoplastic vulcanizate using peroxide compound." In INTERNATIONAL CONFERENCE ON FUNDAMENTAL AND APPLIED SCIENCES 2012: (ICFAS2012). AIP, 2012. http://dx.doi.org/10.1063/1.4757474.

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Reports on the topic "Peroxide devulcanization"

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Suarez Loor, J., M. Lazo, A. Rigail, E. Adrian, and J. Vera. Processing of thermoplastic elastomers (TPE) by in-situ ground tire rubber (GTR) vulcanization using waste ethylene-vinyl-acetate (wEVA) and dicumyl peroxide (DCP). Universidad de los Andes, 2024. https://doi.org/10.51573/andes.pps39.gs.re.2.

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Tire rubber waste (TRW) is a complex mixture of materials, such as rubbers, steel, textile fibers, carbon black, and other additives. Its polluting capacity is a severe environmental problem, especially in landfills and waste management processes. As a practical solution to mitigate TRW’s environmental impact, thermoplastic elastomers (TPE) commonly reuse the ground tire rubber (GTR). This work presents an in-situ devulcanization of ground tire rubber (DGTR) and re-vulcanization of devulcanized ground tire rubber using dicumyl peroxide (DCP) and waste ethylene-vinyl-acetate (wEVA). The GTR was
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