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1

Valášek, Petr, Jozef Žarnovský, and Miroslav Müller. "Thermoset Composite on Basis of Recycled Rubber." Advanced Materials Research 801 (September 2013): 67–73. http://dx.doi.org/10.4028/www.scientific.net/amr.801.67.

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The paper describes the mechanical qualities of thermoset – epoxy resin filled with recycled rubber in the form of micro-particles. Such an application of waste can be regarded as material usage which should be preferred to other ways of waste handling. Micro-particles of recycled rubber affect the mechanical qualities of polymer in which they are dispersed. The paper quantifies cohesive and adhesive properties of the filled epoxy resin. Filling polymers – thermosets with waste fillers saves costs, it does not burden the environment, and it is inexpensive. The results described in this paper c
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2

Gao, Yongtao, Bin Wang, Changjiang Liu, et al. "Experimental investigation on static compressive toughness of steel fiber rubber concrete." REVIEWS ON ADVANCED MATERIALS SCIENCE 61, no. 1 (2022): 576–86. http://dx.doi.org/10.1515/rams-2022-0260.

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Abstract Recycled rubber particles can be produced by using waste tires. Adding recycled rubber particles to concrete can form rubber concrete (RC). RC can not only reduce the amount of natural sand and reduce the cost of concrete but also improve the static compressive toughness of concrete. Adding steel fiber into RC can improve the strength of concrete. In order to study the compressive toughness of steel fiber rubber concrete (SFRC), rubber particles washed with NaOH are added to steel fiber reinforced concrete. This can enhance the bonding performance between the recycled rubber particles
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3

Xia, Qijing, and Yongcheng Ji. "Study on Frost Resistance of Recycled Rubber Straw Concrete Using Particle Swarm Optimization Enhanced Artificial Neural Networks." Polymers 16, no. 22 (2024): 3191. http://dx.doi.org/10.3390/polym16223191.

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Rubber particles and straw powder were used to prepare recycled rubber straw concrete, and the freeze–thaw test was conducted on the recycled rubber straw concrete using the quick-freezing method. The frost resistance of the recycled rubber straw concrete was evaluated by determining the relative dynamic modulus of elasticity, the rate of mass loss, and the flexural strength of the recycled rubber straw concrete in the process of freezing and thawing. SEM was used to observe the microstructure of the recycled rubber straw concrete after the freezing and thawing process. SEM observed the micros
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4

Su, Haolin. "Analysis of Cube Compressive Strength on Concrete with Recycled Aggregate and Rubber Particles." IOP Conference Series: Earth and Environmental Science 1050, no. 1 (2022): 012029. http://dx.doi.org/10.1088/1755-1315/1050/1/012029.

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Abstract This paper analyzed the cube compressive strength of concrete containing recycled aggregate as part of coarse aggregates and rubber particles as part of fine aggregate, simultaneously. The effect of content of both aggregates on concrete compressive strength was studied. 25 sets of samples were made with a constant water/cement ratio of 0.39. Cube compressive strength of different samples at age of 28 days were obtained in accordance with relevant standard. Influence of replacement ratio of recycled aggregate and rubber on strength was investigated basing on the analyses of testing da
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5

Zhou, ShanShan. "Development in the Study of Mechanical Prop-erties and Damage Constitutive Models of Rub-ber-Reclaimed Concrete." Journal of Engineering Research and Reports 26, no. 6 (2024): 298–306. http://dx.doi.org/10.9734/jerr/2024/v26i61181.

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Advances in rubber-reinforced concrete technology and its applications in engineering are cru-cial for the thorough recycling and safe disposal of waste tire rubber and construction debris. Rubber-reinforced concrete (RAC) is a concrete material produced by substituting some fine and coarse aggregates with waste rubber particles and recycled aggregates. The incorporation of waste rubber particles endows RAC with distinctive mechanical properties and a distinct damage constitutive model. The mechanical properties of rubber recycled concrete mainly in-clude compressive strength, tensile strength
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6

Shahidi, Nima, Fouad Teymour, and Hamid Arastoopour. "Dispersing behavior of recycled rubber particles." Macromolecular Symposia 206, no. 1 (2004): 471–80. http://dx.doi.org/10.1002/masy.200450236.

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7

Qiao, Wei, Yiran Qin, Wei Liu, et al. "Microstructure-Engineered Porous Cementitious Composites with Recycled Tire Particles: Orthogonal Optimization for Artificial Reef Applications." Journal of Marine Science and Engineering 13, no. 7 (2025): 1261. https://doi.org/10.3390/jmse13071261.

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Porous artificial reef materials made of cement used in the offshore area can repair and improve the ecological environment and enrich fishery resources. In this study, quartz sand was used as the aggregate, high-alumina cement as the cementing agent, and crushed particles of waste tires as the modifier to prepare porous cement–polymer composites. Through orthogonal tests, the effects of the aggregate particle size, the ratio of aggregate to cement, the rubber particle size, and the rubber ratio on the strength and permeability of the porous cement–polymer composites were studied. The signific
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8

Tamayo, Aitana, Fausto Rubio, Roberto Pérez-Aparicio, Leticia Saiz-Rodríguez, and Juan Rubio. "Preparation and Properties of Sustainable Brake Pads with Recycled End-of-Life Tire Rubber Particles." Polymers 13, no. 19 (2021): 3371. http://dx.doi.org/10.3390/polym13193371.

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Sustainable composite brake pads were processed by employing recycled end-of-life tire (ELT) rubber particles obtained by means of cryogenic grinding and ambient grinding. The effect of the grinding mechanism and concentration of ELT rubber particles was then reported. From the friction result test, better behavior in terms of coefficient of friction (COF) was obtained when 3% of ELT rubber particles were introduced into the composite. It was demonstrated that the size of the particles is not as determinant as the friction mechanism in the wear properties of the sustainable brake pads. Whereas
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9

Biel, Timothy D., and Hosin Lee. "Magnesium Oxychloride Cement Concrete with Recycled Tire Rubber." Transportation Research Record: Journal of the Transportation Research Board 1561, no. 1 (1996): 6–12. http://dx.doi.org/10.1177/0361198196156100102.

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Either portland cement or magnesium oxychloride cement was used as binders for concretes that incorporated fine rubber aggregate, ranging from 0 to 25 percent by volume. The concretes were tested for their compressive and split tensile strengths to determine whether the use of a magnesium oxychloride cement along with recycled tire rubbers would improve concrete properties. Failure of the concrete around the rubber particles was attributed to tension failure, leading to weak shear failure of the concrete matrix. Both portland and magnesium oxychloride cement concretes lost 90 percent of their
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10

Chen, Yuanzhao, Zhenxia Li, Jin Wang, et al. "Study on Road Performance of Cement-Stabilized Recycled Aggregate Base with Fiber and Rubber." Advances in Civil Engineering 2022 (March 24, 2022): 1–14. http://dx.doi.org/10.1155/2022/4321781.

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The purpose is to enhance the recycling utilization rate of old base material and make the cement-stabilized recycled aggregate (RCA) maintain good toughness and crack resistance; rubber particles and basalt fiber admixtures were added to the recycled aggregate. The effects of two different dosages of admixtures on the mechanical properties of the mixture were analyzed; the durability of cement-stabilized base was evaluated; the influence of basalt fiber and rubber particles on the road performance of cement-stabilized recycled aggregate was studied; and scanning electron microscopy was used t
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11

Jackson, Miranda E., Bryan J. Harper, Manuel Garcia-Jaramillo, and Stacey L. Harper. "Comparative Toxicity of Micro, Nano, and Leachate Fractions of Three Rubber Materials to Freshwater Species: Zebrafish and Daphnia." Microplastics 4, no. 1 (2025): 8. https://doi.org/10.3390/microplastics4010008.

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Rubber materials enter aquatic environments by stormwater runoff via sources such as playground mulch, athletic fields, and roadway surfaces. Tire rubbers are considered plastics as they comprise a substantial portion of synthetic polymers. Rubber particles are complex and variable depending on the type, source, and age of rubber. In this study, zebrafish embryos and daphnids were exposed to nano-scale or micro-scale particles, or leachate from recycled rubber (RR), crumb rubber (CR), and cryo-milled tire tread (CMTT). Zebrafish embryos were evaluated for lethal and sub-lethal effects over a 1
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12

Kazemi, Hossein, Ali Fazli, Jean Philippe Ira, and Denis Rodrigue. "Recycled Tire Fibers used as Reinforcement for Recycled Polyethylene Composites." Fibers 11, no. 9 (2023): 74. http://dx.doi.org/10.3390/fib11090074.

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This study proposes a simple approach to separate most rubber particles from recycled tire fibers (RTFs) and to determine their rubber content using thermogravimetric analysis (TGA)/calcination. Furthermore, scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDAX), and Fourier transform infrared spectroscopy (FTIR) analyses are used to investigate the separation process and materials compositions. Afterwards, a series of composites based on recycled post-consumer low-density polyethylene (rLDPE) with clean fiber (CF) and residual ground rubber particles (GR) is prepared
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13

Valášek, Petr, Miroslav Müller, and Juraj Ružbarský. "Using Recycled Rubber Particles as Filler of Polymers." Applied Mechanics and Materials 616 (August 2014): 260–67. http://dx.doi.org/10.4028/www.scientific.net/amm.616.260.

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One of a way of a material utilization of a rubber waste originated at a recyclation of tyres is its inclusion into polymeric materials. The paper describes chosen mechanical properties of an epoxy adhesive and polyurethane filled with the waste rubber. The waste rubber was gained as one of outputs of a recycling line of a firm Gumoeko, Ltd. The filler presence influences resultant mechanical properties and decreases a price of gained materials. Defining of mechanical properties enables to specify possible application areas.
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14

Wang, Li. "Research Progress on Mechanical Properties and Frost Resistance of Rubber Recycled Concrete." Journal of Engineering Research and Reports 26, no. 7 (2024): 93–101. http://dx.doi.org/10.9734/jerr/2024/v26i71197.

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The use of recycled waste tires and construction and demolition wastes as aggregates in concrete after treatment as required not only contributes to environmental sustainability, but also alleviates the growing demand for natural aggregates in concrete production. This paper focuses on the mechanical properties and frost resistance of rubberized recycled concrete, including the effects of rubber and recycled aggregates on the mechanical properties and frost resistance of concrete, as well as measures to improve the mechanical properties and frost resistance of rubberized recycled concrete. Exi
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15

Coelho Martuscelli, Carolina, Júlio Cesar dos Santos, Pablo Resende Oliveira, Túlio Hallak Panzera, Maria Teresa Paulino Aguilar, and Carlos Thomas Garcia. "Polymer-cementitious composites containing recycled rubber particles." Construction and Building Materials 170 (May 2018): 446–54. http://dx.doi.org/10.1016/j.conbuildmat.2018.03.017.

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16

Mustata, F. St C., and A. Curteza. "DEVELOPMENT OF TEXTILE-RUBBER COMPOSITE MATERIALS USING RECYCLED RUBBER AND TEXTILES WITH APPLICATIONS IN INDUSTRY." TEXTEH Proceedings 2021 (October 22, 2021): 272–78. http://dx.doi.org/10.35530/tt.2021.15.

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This paper study methods to obtain composite materials based on recycled rubber from End-of-Life tires and scrap textile. Rubber particles was obtained by industrial shredding procedures and separated by dimension, using sieves. Recycled cotton weave was obtained from scrap cotton textiles. The composite material was produced mixing the recycled rubber powder with a solution of acrylate rubber (AR), (NipolR AR 51) in acetone/ethyl acetate, then coating that composition on a 100% recycled cotton weave. After application, the composite was dried in a dryer with ventilation. The final composite m
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17

Chen, Xinyi, Xiaoming Li, and Xiaosheng Song. "Structural Design and Performance Optimization of Green Concrete Based on Recycled Pumice and Modified Rubber Powder." Applied Sciences 14, no. 8 (2024): 3372. http://dx.doi.org/10.3390/app14083372.

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With the increasing severity of global climate change and environmental degradation, countries have put forward strategies to reduce carbon emissions and promote sustainable development. The construction industry is a major source of carbon emissions, and as such, the development of green concrete is now critically important to the industry’s growth. Traditional concrete production methods use a lot of resources and produce a lot of carbon emissions. The study examines the use of recycled pumice and sodium dodecyl benzene sulfonate to modify waste rubber powder, which is then externally mixed
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18

Benjak, Paula, Lucija Radetić, Ivana Presečki, Ivan Brnardić, Nikola Sakač, and Ivana Grčić. "Microplastic-Related Leachate from Recycled Rubber Tiles: The Role of TiO2 Protective Coating." Surfaces 7, no. 3 (2024): 786–800. http://dx.doi.org/10.3390/surfaces7030051.

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The extensive global use of rubber results in significant microplastic pollution from the release of tire wear particles and microplastic leachate, impacting the environment, human health, and ecosystems. Waste tires are normally recycled and used for the production of new products, such as rubber tiles. The presented study aims to show the possibility of further decrease in the negative environmental impact of materials based on recycled rubber. This paper presents the modification of rubber tiles with a titanium dioxide (TiO2) coating, focusing on surface integrity, rubber particle wear rele
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19

Ataria, Robert B., and Yong C. Wang. "Mechanical Properties and Durability Performance of Recycled Aggregate Concrete Containing Crumb Rubber." Materials 15, no. 5 (2022): 1776. http://dx.doi.org/10.3390/ma15051776.

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Despite extensive research studies, recycled aggregates and worn-out tyres of motor vehicles are still not fully reused and are hence disposed of in ways that are damaging to the environment. Several studies have been carried out on recycled aggregate and rubberized concrete, but very limited studies are conducted on rubber recycled aggregate concrete. This study focuses on the workability, mechanical properties and durability performance of concrete made with 100% recycled aggregates and crumb rubber at different replacement level (5%, 10%, 15% and 20%). The first stage of the study covers th
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20

Kabakçi, Gamze Cakir, Ozgur Aslan, and Emin Bayraktar. "A Review on Analysis of Reinforced Recycled Rubber Composites." Journal of Composites Science 6, no. 8 (2022): 225. http://dx.doi.org/10.3390/jcs6080225.

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Rubber recycling attracts considerable attention by a variety of industries around the world due to shrinking resources, increasing cost of raw materials, growing awareness of sustainable development, and environmental issues. Recycled rubber is commonly used in aeronautic, automotive, and transportation industries. In this study, recycled rubber composites designed with different reinforcements in the literature are scrutinized by means of toughening mechanisms, mechanical and physical properties, as well as microstructural and fracture surface analysis. Microscale reinforcements (glass bubbl
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21

Pittolo, M., and R. P. Burford. "Recycled Rubber Crumb as a Toughener of Polystyrene." Rubber Chemistry and Technology 58, no. 1 (1985): 97–106. http://dx.doi.org/10.5254/1.3536061.

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Abstract Our preliminary investigations indicate that recycled rubber crumb may be used as a toughening agent for brittle thermoplastic such as polystyrene. The toughness of the resultant materials was found to increase with increasing rubber-to-matrix adhesion and decreasing particle size. Although crazing is expected to play some role in the toughening mechanism, the absence of a yield point and the type of fracture morphology indicate it is only a minor factor It is suggested that the main contribution is from a crack bridging mechanism. The increased energy to break results from the ruptur
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22

Liu, Leifei, Jingmei Zong, Xueqian Hou, and Xiaoyan Liu. "Effect of the Inorganic Modification Mode on the Mechanical Properties of Rubber Recycled Concrete." Materials 17, no. 10 (2024): 2217. http://dx.doi.org/10.3390/ma17102217.

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The reasonable and effective application of waste tires and discarded concrete in concrete is an important branch of green concrete development. This paper investigates the effects of the inorganic modification mode on the basic mechanical properties of rubber recycled concrete based on indoor tests. Inorganic modification, such as water washing, acid washing, and alkaline washing modification, was mainly used to treat and modify rubber particles. The factors affecting the compressive strength, the splitting tensile strength, the flexural strength, the axial compressive strength, and the modul
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23

Stojanovic, Marko, Slobodan Supic, Ksenija Jankovic, Dragan Bojovic, Anja Terzic, and Mirjana Malesev. "Investigation of the mechanical properties of concrete incorporating recycled rubber particles." Science of Sintering, no. 00 (2024): 27. http://dx.doi.org/10.2298/sos240523027s.

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Quantity of waste rubber generated by automobile tires is growing, posing an environmental threat. Rubber tire recycling was studied for usage in asphalt and waterproofing systems during past few decades. Globally, concrete is the most widely used building material. About 7% of CO2 emissions come from the cement production. The purpose of this research is to assess if using waste rubber and Portland cement together in composite material for structural applications is feasible. Waste tires (shredded to 0/1 mm) were used as fine aggregate replacement (in 2.5 and 7.5 %), together with PC and natu
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24

Cusson, Étienne, Jean-Christophe Mougeot, Mélanie Maho, Florian Lacroix, Ali Fazli, and Denis Rodrigue. "Poly (Lactic Acid) (PLA)/Recycled Styrene Butadiene Rubber (rSBR) Composites." Advances in Environmental and Engineering Research 3, no. 2 (2022): 1. http://dx.doi.org/10.21926/aeer.2202012.

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Recycled styrene butadiene rubber (rSBR) from waste car tires was used as a filler in poly(lactic) acid (PLA) to modify its properties. The compounds were prepared via twin-screw extrusion and molded by injection with different rSBR contents (0 to 25% wt.). Additionally, recycled rubber particle size was controlled between 125 and 1000 μm to determine the effect of this parameter. From the samples produced, a series of morphological, physical and mechanical characterizations were performed. As expected, rSBR addition decreased the PLA stiffness. Up to 5% rSBR, the flexural and elastic moduli w
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Hazwan, S. M., N. Z. Noriman, S. T. Sam, Che Mohd Ruzaidi, M. F. Omar, and M. Z. Salihin. "Effects of Different Particle Sizes and its Blend Ratios of Recycled Latex Glove Filled Natural Rubber Compound: Cure Characteristics and Swelling Test." Applied Mechanics and Materials 679 (October 2014): 281–86. http://dx.doi.org/10.4028/www.scientific.net/amm.679.281.

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The effects of different particle sizes of recycled latex glove (rLG) on curing characteristics of SMR L were examined. Two different size ranges of rLG particles, i.e., 100-300μm, 2-3 cm were used in this study. The SMRL/rLG composition of 100/0, 100/5, 100/15, 100/25, 100/35 and 100/50 were prepared using a two roll-mill at room temperature. The characterization results of the blends shows that scorch time, t2, and cure time t90 of the SMRL/rLG blends decreased with increased rLG content as well as decreasing sizes of rLG particles due to the existence of cross-linked precursors and unreacte
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26

Alaud, Salhin, Muhieddin S. Tughar, and Sufian Rwini. "Utilizing recycled rubber in concrete: a study of some properties." Journal of Pure & Applied Sciences 22, no. 3 (2023): 253–56. http://dx.doi.org/10.51984/jopas.v22i3.2815.

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This paper investigates the effects of adding recycled rubber to concrete in terms of its physical and mechanical properties. The study involved three mixes of concrete created by replacing the gravel with recycled rubber particles with varying percentages of rubber by volume, 10%, 15%, and 20%, and a control mix without rubber. A 1.5% superplasticizer (SP) was also added to other mixtures with rubber in the same proportions as before. The study was conducted on concrete cubes with dimensions of 100 mm. The physical properties of this sample were observed and compared with a control sample of
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27

Subramaniyan, S. Kanna, Shahruddin Mahzan, Mohd Imran bin Ghazali, Maznan Ismon, and Ahmad Mujahid Ahmad Zaidi. "Mechanical Behavior of Polyurethane Composite Foams from Kenaf Fiber and Recycled Tire Rubber Particles." Applied Mechanics and Materials 315 (April 2013): 861–66. http://dx.doi.org/10.4028/www.scientific.net/amm.315.861.

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In the present work polyurethane foams containing various content loadings of kenaf fiber and recycled tire rubber particulates were prepared and studied, with the objective of developing alternative composite rigid foams. The influence of the filler content on the foam microstructure and its physical and mechanical behavior has been studied for three different polyurethane resin densities. Microstructural observation on fracture surface of composites was carried out using scanning electron microscopy. It has shown closed spherical cells with reduced size when the fillers are added. Neverthele
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28

Moghaddamzadeh, Siavosh, and Denis Rodrigue. "The effect of polyester recycled tire fibers mixed with ground tire rubber on polyethylene composites. Part I." Progress in Rubber, Plastics and Recycling Technology 34, no. 4 (2018): 200–220. http://dx.doi.org/10.1177/1477760618798267.

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The effect of polyester recycled tire fibers (RTFs) mixed with ground tire rubber (GTR) in linear low-density polyethylene (LLDPE) with and without styrene–ethylene–butylene–styrene-grafted maleic anhydride was studied. In particular, different RTF contents (10, 25, and 50 wt%) and compounding screw speed (110, 180, and 250 r min−1), as well as temperature profiles (extrusion and injection molding) were used to optimize the processing conditions. In this first part, a complete physical and morphological analysis for the RTF fibers and GTR particles was performed. The results show that the comp
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Daly, William H., and Ioan I. Negulescu. "Characterization of Asphalt Cements Modified with Crumb Rubber from Discarded Tires." Transportation Research Record: Journal of the Transportation Research Board 1583, no. 1 (1997): 37–44. http://dx.doi.org/10.3141/1583-05.

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Blends with up to 20 percent ground vulcanized rubber (both crumb and 200-mesh powder particles) from recycled tires were prepared with asphalt cements of various grades (AC-5 to AC-30) and evaluated using dynamic mechanical analysis (DMA). Blends produced from powdered rubber particles exhibited Newtonian behavior at high temperatures. Similar behavior was not observed with crumb rubber blends. The mechanical properties of asphalt-rubber blends depend on the concentration of rubber additives, the particle sizes, and the chemical composition of the asphalt. The dynamic mechanical characteristi
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Hong, Zhou, Li Bo, Huang Guangsu, and He Jia. "A novel composite sound absorber with recycled rubber particles." Journal of Sound and Vibration 304, no. 1-2 (2007): 400–406. http://dx.doi.org/10.1016/j.jsv.2007.02.024.

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Fiore, Alessandra, Giuseppe Carlo Marano, Cesare Marti, and Marcello Molfetta. "On the Fresh/Hardened Properties of Cement Composites Incorporating Rubber Particles from Recycled Tires." Advances in Civil Engineering 2014 (2014): 1–12. http://dx.doi.org/10.1155/2014/876158.

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This study investigates the ameliorative effects on some properties of cement-based materials which can be obtained by incorporating rubber particles as part of the fine aggregates. The aim is to find out optimal cement composite/mortar mixtures, containing recycled-tyre rubber particles, suitable for specific engineering applications. Different percentages of rubber particles, from 0% to 75%, were used and, for each percentage, the suitable amount of sand was investigated in order to achieve the best fresh/hardened performances. In particular the following characteristics were examined: densi
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Nik Yahya, N. Z., Nik Noriman Zulkepli, Hanafi Ismail, et al. "Properties of Natural Rubber/Styrene Butadiene Rubber/Recycled Nitrile Glove (NR/SBR/rNBRg) Blends: The Effects of Recycled Nitrile Glove (rNBRg) Particle Sizes." Key Engineering Materials 673 (January 2016): 151–60. http://dx.doi.org/10.4028/www.scientific.net/kem.673.151.

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The effects of different particle sizes of recycled nitrile glove (rNBRg) on curing characteristics and physical properties of natural rubber/styrene butadiene rubber/recycled nitrile glove (NR/SBR/rNBRg) blends were investigated. The particle sizes of rNBRg were differentiated by the method of sizing. S1 was obtained by cutting the rNBRg into smaller sheets; S2 was obtained by passing rNBRg through 2 rolls mill for 10 times; and S3 was obtained by passing rNBRg through 2 rolls mill for 10 times and then mechanically grinded. NR/SBR/rNBRg blends were prepared at 50/30/20 composition using two
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Guelmine, Layachi, and Hadda Hadjab. "Effect of Recycled Rubber Particles on the Deicing Salt-Scaling Durability of Concrete." Recent Progress in Materials 03, no. 03 (2021): 1. http://dx.doi.org/10.21926/rpm.2103033.

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The present study investigated the effect of reused rubber particles (RRP) on the deicer salt durability of ordinary concrete. Four mixtures were designed, a control concrete (CC) and three other rubber concretes obtained by partial substitution of natural dune sand aggregate with reused rubber particles with 0%, 3%, 6%, and 9% w/w. All studied concretes were subjected to the combined effect of freeze/thaw (56 and 120) cycles with the deicer salt solution of 3% NaCl. The results indicated that RRP improved the deicer-salt scaling resistance of rubber concrete strongly compared with the control
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Fazli, A., and D. Rodrigue. "Morphological and Mechanical Properties of Thermoplastic Elastomers Based on Recycled High Density Polyethylene and Recycled Natural Rubber." International Polymer Processing 36, no. 2 (2021): 156–64. http://dx.doi.org/10.1515/ipp-2020-4006.

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Abstract In this work, thermoplastic elastomers (TPE) are produced by melt mixing of recycled high-density polyethylene (RHD) with two types of off-the-road (OTR) ground tire rubber (GTR). Non-regenerated (NR) and regenerated (RR) rubbers are used to investigate the effect of GTR concentration and regeneration on the blends properties containing up to 90 wt.% GTR. The blend morphology is studied by scanning electron microscopy (SEM) to show incompatibility and low interfacial adhesion between RHD and GTR (NR and RR) especially above 40 wt.% RR. This behavior is attributed to the GTR regenerati
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35

Quadrini, Fabrizio, Denise Bellisario, Loredana Santo, and Ivica Hren. "Direct Moulding of Rubber Granules and Powders from Tyre Recycling." Applied Mechanics and Materials 371 (August 2013): 315–19. http://dx.doi.org/10.4028/www.scientific.net/amm.371.315.

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SMART project (Sustainable Moulding of Articles from Recycled Tyres) is a research project financed by the European Commission with the aim of developing a new moulding process of granules and powders from tyre recycling without any addition of virgin rubber or linking agent. The so called “direct moulding” is a compression moulding process which is directly applied to rubber particles from tyre grinding. After one year of activities, the new moulding process has been deeply investigated and some results are reported in the current work for the first time. Rubber granules and powders were prod
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Juma, Dash Harry, Kemboi Kipchumba Cyprian, and Daniel Siringi Dr. "ADOPTION OF CRUSHED OLD TYRES IN CONCRETE CONSTRUCTION TO ATTAIN SUSTAINABLE DEVELOPMENT." International Journal of Civil and Structural Engineering Research 10, no. 1 (2022): 51–61. https://doi.org/10.5281/zenodo.6482521.

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<strong>Abstract:</strong> Recent years have been shadowed by an increase in the adoption of recycled transportation and building materials, focusing on the adoption of damped waste materials. Numerous waste materials, including glass, plastic, and tire rubber, have been adopted in conjunction with standard resources as recycled aggregates or a binder improvement, depending on the application. Rubber from powdered tires may be added as a flexible aggregate in a concrete block, reducing the likelihood of brittle failure and increasing the concrete&#39;s capacity to absorb more significant amoun
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Nasir, Muhammad Ridhwan Jamalul, N. Z. Noimam, Hanafi Ismail, Mohd Mustafa Al Bakri Abdullah, and Rosniza Hamzah. "The Influence of Cure Characteristics and Crosslink Density of Virgin Acrylonitrile Butadiene Rubber/Recycled Acrylonitrile Butadiene Rubber (vNBR/rNBR) Blends." Key Engineering Materials 594-595 (December 2013): 735–39. http://dx.doi.org/10.4028/www.scientific.net/kem.594-595.735.

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Cure characteristics and crosslink density of virgin acrylonitrile butadiene rubber/recycled acrylonitrile butadiene rubber (vNBR/rNBR) blends were studied. Three different size ranges of rNBR particles, i.e., 150 - 350 μm, 2.0-15.0 mm, and 5-10 cm were used in this study. The vNBR/rNBR blends with blend ratios of 95/5, 85/15, 75/25, 65/35, and 50/50 were prepared using a two roll-mill at room temperature. The characterization results of the blends show that scorch time, t2, of the vNBR/rNBR blends decreased with increased rNBR content as well as decreasing sizes of rNBR particles while cure t
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38

Nik Yahya, N. Z., Nik Noriman Zulkepli, Hussin Kamarudin, et al. "Effect of Recycled Nitrile Glove (rNBRg) Particle Sizes on Curing Characteristics and Physical Properties of Natural Rubber/Styrene Butadiene Rubber/Recycled Nitrile Glove (NR/SBR/rNBRg) Blends." Applied Mechanics and Materials 815 (November 2015): 54–58. http://dx.doi.org/10.4028/www.scientific.net/amm.815.54.

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Effects of different particle sizes of recycled nitrile glove (rNBRg) on curing characteristics and physical properties of natural rubber/styrene butadiene rubber/recycled nitrile glove (NR/SBR/rNBRg) blends were studied. The particle sizes of rNBRg were differentiated by the method of producing. S1 was obtained by cutting the rNBRg (whole glove) into smaller sheet; S2 was obtained by passing rNBRg through 2 rolls mill for 10 times; S3 was obtained by passing rNBRg through 2 rolls mill for 10 times and then mechanically grinded. NR/SBR/rNBRg blends were prepared at 50/30/20 composition using t
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Mustata, Florin Stefan, Bogdan-Constantin Condurache, Antonela Curteza, Ciprian Ciofu, and Stefan Grigorean. "MAGNETIC COMPOSITES FROM RECYCLED MATERIALS." International Journal of Modern Manufacturing Technologies 15, no. 2 (2023): 127–36. http://dx.doi.org/10.54684/ijmmt.2023.15.2.127.

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In the conditions of the increasingly accentuated development of industrial and household products, the reuse of material waste with the aim of reducing environmental pollution has become an increasingly important necessity. This study presents the obtain of flexible magnetic composites based on cotton fabrics, acrylic rubber, powder from used tires and magnetite powder. The textile support was purchased from the local market (Tesatura Iași, Romania) and was made from 100% recovered cotton fibbers, with a mass of 143g∙m-2 and an average thickness of 0.28mm. The rubber was an acrylate type (AR)
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Caren, Rosales, Ait Hocine Nourredine, Bernal Celina, and Pettarin Valeria. "Toughness improvement of LLDPE/PP blend by GTR incorporation." Abstracts of International Conferences & Meetings (AICM) 1, no. 3 (2021): 7. https://doi.org/10.5281/zenodo.5047452.

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<strong>Introduction: </strong>Approximately 80 % of waste rubber comes from end of life tires. Land filling causes serious environmental troubles due to the impermeability and hollowed shape of tires. The global concern about the continue accumulation of discarded tires and the developing ecological awareness demand new ways and regulations to solve this problem, encouraging the scientific community to explore alternative solutions to reuse this waste material. However, the reuse or recycling of tires is not a simple task. Besides the several materials that tires are constructed from, rubbers
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Lushinga, Nonde, Liping Cao, and Zejiao Dong. "Effect of Silicone Oil on Dispersion and Low-Temperature Fracture Performance of Crumb Rubber Asphalt." Advances in Materials Science and Engineering 2019 (October 17, 2019): 1–12. http://dx.doi.org/10.1155/2019/8602562.

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Low-temperature cracking is one of the major pavement distresses in cold regions. To reduce the prevalence of such cracks, crumb rubber modified asphalt (CRMA) has been applied for a long time. However, CRMA experiences compatibility and segregation problems with asphalt. Silicone oil has long been seen to improve compatibility and segregation problems of polymers in asphalt, but its benefits on low temperature performance of crumb rubber asphalt have not been explored. Furthermore, silicone oil can be obtained as virgin or recycled from industrial transformers; however, the recycled silicone
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42

Bensaci, Hamza, Belkacem Menadi, and Said Kenai. "Comparison of some Fresh and Hardened Properties of Self-Consolidating Concrete Composites Containing Rubber and Steel Fibers Recovered from Waste Tires." Nano Hybrids and Composites 24 (February 2019): 8–13. http://dx.doi.org/10.4028/www.scientific.net/nhc.24.8.

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This paper reports on an experimental investigation using either rubber aggregates or steel fibres recycled from waste tires in the production of self-consolidating concrete composite (SCCC). Ten mixes are designed, one of them is the reference concrete. The natural aggregates are substituted by rubber particles by volume at 5, 10, 15, 20 and 30%. Recycled steel fibres are separately added to SCC mixes at volume fraction of 0.5, 0.8, 1 and 1.5%. The tested rheological properties of SCCC are slump flow diameter, T500 slump flow time, V-funnel flow time, L-box ratio, and the segregation resistan
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Guendouz, Mohamed, and Djamila Boukhelkhal. "Recycling of rubber waste in sand concrete." Journal of Building Materials and Structures 4, no. 2 (2018): 42–49. http://dx.doi.org/10.34118/jbms.v4i2.30.

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The large development in the consumption of rubber is observed in the recent years, which leads to an increase of the production of rubber related waste. Rubbers are not hazardous waste, but they constitute a hazard for both environment and health, in case of fire in storage sites. So, recycling appears as one of the best solutions for disposing of rubber waste.This paper presents an experimental investigation dealing with the valorisation of rubber waste, specifically rubber obtained from old shoes sole waste. The waste rubbers are used form (0/5 mm) to mixes as addition at percentage (10%, 2
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Guendouz, Mohamed, and Djamila Boukhelkhal. "Recycling of rubber waste in sand concrete." Journal of Building Materials and Structures 4, no. 2 (2018): 42–49. https://doi.org/10.5281/zenodo.1165202.

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The large development in the consumption of rubber is observed in the recent years, which leads to an increase of the production of rubber related waste. Rubbers are not hazardous waste, but they constitute a hazard for both environment and health, in case of fire in storage sites. So, recycling appears as one of the best solutions for disposing of rubber waste.This paper presents an experimental investigation dealing with the valorisation of rubber waste, specifically rubber obtained from old shoes sole waste. The waste rubbers are used form (0/5 mm) to mixes as addition at percentage (10%, 2
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Oh, Jin Hwan, Jaeyoung Park, and Timothy G. Ellis. "Septic wastewater treatment using recycled rubber particles as biofiltration media." Environmental Technology 35, no. 5 (2013): 637–44. http://dx.doi.org/10.1080/09593330.2013.840337.

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Mhaya, Akram M., S. Baharom, Mohammad Hajmohammadian Baghban, et al. "Systematic Experimental Assessment of POFA Concrete Incorporating Waste Tire Rubber Aggregate." Polymers 14, no. 11 (2022): 2294. http://dx.doi.org/10.3390/polym14112294.

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Several researchers devoted considerable efforts to partially replace natural aggregates in concrete with recycled materials such as recycled tire rubber. However, this often led to a significant reduction in the compressive strength of rubberized concrete due to the weaker interfacial transition zone between the cementitious matrix and rubber particles and the softness of rubber granules. Thereafter, significant research has explored the effects of supplementary cementitious materials such as zeolite, fly ash, silica fume, and slag used as partial replacement for cement on rubberized concrete
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Polydorou, Thomaida, Nicholas Kyriakides, Andreas Lampropoulos, et al. "Concrete with a High Content of End-of-Life Tire Materials for Flexural Strengthening of Reinforced Concrete Structures." Materials 15, no. 17 (2022): 6150. http://dx.doi.org/10.3390/ma15176150.

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This research investigates the performance of Steel Fiber Reinforced Rubberized Concrete (SFRRC) that incorporates high volumes of End-of-life tire materials, (i.e., both rubber particles and recycled tire steel fibers) in strengthening existing reinforced concrete (RC) beams. The mechanical and durability properties were determined for an environmentally friendly SFRRC mixture that incorporates a large volume (60% by volume aggregate replacement) of rubber particles and is solely reinforced by recycled tire steel fibers. The material was assessed experimentally under flexural, compressive and
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48

Siddiqui, A. R., B. Indraratna, T. Ngo, and C. Rujikiatkamjorn. "Laboratory assessment of rubber grids reinforced ballast under impact testing." Géotechnique Letters 13, no. 2 (2023): 1–22. http://dx.doi.org/10.1680/jgele.22.00145.

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This paper presents a study on the use of rubber grids fabricated from end-of-life conveyor belts (i.e., discarded from the mining industry) to improve the performance of ballast tracks. The square apertures of these recycled rubber sheets were cast using a waterjet cutting process. A series of large-scale impact tests were performed on ballast specimens stabilised with three different grids of varied effective area ratios (KA.eff) to evaluate their effectiveness in mitigating the applied impact forces, in relation to both displacement and breakage of the ballast aggregates. Smart Ballast part
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Dai, Jie, Jian Min Xiong, and Jin Zhi Zhou. "Experimental Study and Analysis on Strength Properties of Waste Crumb Rubber Concrete." Advanced Materials Research 815 (October 2013): 227–32. http://dx.doi.org/10.4028/www.scientific.net/amr.815.227.

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The experiment program was carried out to investigate strength performance and flexural properties of concrete containing recycled crumb rubber. The rubber contents of 10,20,30 and 40% by volume were selected to partially replace the fine aggregate with crumb rubber of 20 mesh, and sodium hydroxide (NaOH) solution was employed to modify the rubber surface, enhancing adhesion between rubber particles and cement paste. Uniaxial compression and four point bending tests showed that both compressive and flexural strength reduced as crumb rubber inclusion increasing. It is notable that surface modif
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MALAIŠKIENĖ, Jurgita, Džigita NAGROCKIENĖ, and Gintautas SKRIPKIŪNAS. "POSSIBILITIES TO USE TEXTILE CORD WASTE FROM USED TIRES FOR CONCRETE." JOURNAL OF ENVIRONMENTAL ENGINEERING AND LANDSCAPE MANAGEMENT 23, no. 3 (2015): 183–91. http://dx.doi.org/10.3846/16486897.2015.1057514.

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The goal of the study was to determine the effect of waste tire cord yarn with attached rubber particles on the properties of concrete made of different types of cement (Portland cement without additives – CEM I, Portland cement with limestone additive – CEM II). The filament waste (added at 0%, 2%, 4%, 6%, 8%, and 10% of the amount of fine aggregate) is water absorbing textile fibre additive with rubber particles, therefore a bigger amount of water is required to prepare the concrete mixture. With waste additive, the density and compressive strength of concrete reduces, but water absorption i
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