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Journal articles on the topic 'EPDM rubber'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Yun, Jushik, and A. I. Isayev. "Superior Mechanical Properties of Ultrasonically Recycled EPDM Rubber." Rubber Chemistry and Technology 76, no. 1 (2003): 253–70. http://dx.doi.org/10.5254/1.3547738.

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Abstract This paper describes the results of an extensive study involving the continuous ultrasonic devulcanization of unfilled EPDM rubber. Die pressure and ultrasound power consumption were measured as a function of processing conditions. The mechanical properties of aged and fresh revulcanized EPDM rubber were measured. Gel fraction, crosslink density, and dynamic properties were also determined for the virgin vulcanizate, the ultrasonically devulcanized rubber, and the revulcanized rubber. Additionally, the cure behavior of virgin and devulcanized EPDM rubber was investigated. The tensile

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2

Tiwari, M., J. W. M. Noordermeer, W. K. Dierkes, and Wim J. van Ooij. "Effect of Plasma Polymerization on the Performance of Silica in NBR, EPDM and NBR/EPDM Blends." Rubber Chemistry and Technology 81, no. 2 (2008): 276–96. http://dx.doi.org/10.5254/1.3548210.

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Abstract The surface modification of precipitated silica powders by plasma-polymerization with acetylene monomer in order to improve their performance in NBR, EPDM and NBR/EPDM rubber blends, by matching the surface energies of the silica fillers of the rubbers, is the subject of this study. Silica, used as reinforcing filler for elastomers, is coated with a polyacetylene (PA) film and characterized by water penetration measurements, Cetyltrimethyl Ammonium Bromide (CTAB) area, Thermo Gravimetric Analysis (TGA), Time of Flight-Secondary Ion Mass Spectroscopy (ToF-SIMS) and Scanning Electron Mi

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3

Wu, Weili, and Songyan Cong. "Modified diatomite forms in the rubber nanocomposites." Journal of Thermoplastic Composite Materials 33, no. 5 (2018): 659–72. http://dx.doi.org/10.1177/0892705718811408.

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Diatomite is a kind of biomass sedimentary rock, which is widely used in chemical engineering, petroleum, building materials, biomedical medicine, health care and environmental protection, and other fields due to its characteristics of lightweight, large specific surface area, super adsorption, noise and abrasion resistance, thermal properties, and corrosion resistance. The diatomite is similar to silica in the composition structure and can be used as a substitute for silica to reinforce the rubber materials. In this work, the diatomite was modified with different modifiers to fill the rubbers

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4

Abhijit Mukhopadhyay. "Friction and Wear Characteristics of Indegenous ‘EPDM’ Rubber Under Dry Sliding Condition." Asian Review of Mechanical Engineering 3, no. 2 (2014): 19–25. http://dx.doi.org/10.51983/arme-2014.3.2.2382.

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Ethylene Propylene Diene Monomer (EPDM) rubber emerges as a dominant elastomeric compound for major engineering applications like automobiles, constructions, electric and electronic industries and many more. The major engineering properties of EPDM are its outstanding heat, ozone and weather resistance ability. The resistance to polar substances and steam are also good. EPDM rubber has a common use as seals in automobiles. In the presentwork friction and sliding wear behaviors of indigenously developed ethylene propylene diene monomer rubber (EPDM) of different hardness have been studied again

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5

Ibragimov, Marat A., Nelli N. Shishkina, and Elena G. Zinovjeva. "Reinforcement of Elastomers Based on Butadiene Rubbers and their Mixtures with Layered Silicates." Key Engineering Materials 869 (October 2020): 158–62. http://dx.doi.org/10.4028/www.scientific.net/kem.869.158.

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The rubber compounds based on BR and on mixtures BR with EPDM containing experimental organoclay samples based on bentonites from the “Sarinskoye” deposit (Orenburg Region, Russia), additives to polymers Cloisite® 10A manufactured by Southern Clay Prod. () were compared. The increase of tensile strength at break by introduction of organoclay in rubber compounds based on BR and on mixtures BR with EPDM was determined. The compatibility of rubbers with the introduction of organoclay in the mixture BR with EPDM was improved

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6

Shaydurova, Galina, Dmitriy Oros, and Natalya Povarnitsyna. "RESEARCH OF ADHESIVE AND HEAT-PROTECTIVE PROPERTIES OF RUBBERS BASED ON EPDM WITH ARAMID FILLER." Perm National Research Polytechnic University Aerospace Engineering Bulletin, no. 63 (2020): 53–61. http://dx.doi.org/10.15593/2224-9982/2020.63.06.

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Reinforced materials of the "fabric filler-vulcanized rubber" type may be successfully operated under the condition of the specified adhesive strength at the interface of the "substrate-polymer (rubber) "contact. The article presents theoretical infor-mation about ethylene propylene (EDM) and ethylene-propylene-diene (EPDM) synthetic rubbers, known internationally under the brand name EPDM-monomer, arimide fiber and laboratory research methods. The advantages of using EDM and EPDM in the manufacture of heat-protection coatings are; high heat resistance, low density, good compatibility with fil

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7

Stelescu, Maria, Anton Airinei, Elena Manaila, et al. "Effects of Electron Beam Irradiation on the Mechanical, Thermal, and Surface Properties of Some EPDM/Butyl Rubber Composites." Polymers 10, no. 11 (2018): 1206. http://dx.doi.org/10.3390/polym10111206.

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The effects of electron beam irradiation on the properties of ethylene propylene diene monomer (EPDM)/butyl rubber composites in presence of a polyfunctional monomer were investigated by means of differential scanning calorimetry (DSC), thermal analysis, scanning electron microscopy (SEM), attenuated total reflection absorption infrared spectroscopy (ATR-IR), and mechanical and surface energy measurements. The samples were exposed over a wide range of irradiation doses (20–150 kGy). The EPDM matrix was modified with butyl rubber, chlorobutyl rubber, and bromobutyl rubber. The gel content and c

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8

Lee, Sung-Hun, Gun-Woo Park, Hee-Jun Kim, Kyungho Chung, and Keon-Soo Jang. "Effects of Filler Functionalization on Filler-Embedded Natural Rubber/Ethylene-Propylene-Diene Monomer Composites." Polymers 14, no. 17 (2022): 3502. http://dx.doi.org/10.3390/polym14173502.

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Natural rubber (NR) presents a number of advantages over other types of rubber but has poor resistance to chemicals and aging. The incorporation of ethylene propylene diene monomer (EPDM) into the NR matrix may be able to address this issue. Mineral fillers, such as carbon black (CB) and silica are routinely incorporated into various elastomers owing to their low cost, enhanced processability, good functionality, and high resistance to chemicals and aging. Other fillers have been examined as potential alternatives to CB and silica. In this study, phlogopite was surface-modified using 10 phr of

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9

Khakhin, L. A., I. A. Arutyunov, S. N. Potapova, D. V. Svetikov, and S. M. Masoud. "Investigation of Technological Parameters of the Suspension Process for the Production of Ethylene-Propylene Rubbers EP(D)M in the Presence of a Post-Metallocene Catalytic System." Chemistry and Technology of Fuels and Oils 633, no. 5 (2022): 11–14. http://dx.doi.org/10.32935/0023-1169-2022-633-5-11-14.

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The influence of the parameters of the suspension process for the production of synthetic ethylene-propylene rubbers EPDM has been studied: pressure, temperature, ratio of reagents, and ratio of components of post-metallocene catalytic system. The process provides the production of rubbers with a yield of more than 10 kg of rubber per g of vanadium and physicochemical properties corresponding to the most demanded EPDM rubber grades. Ethylene and propylene were used as monomers. ENB or DCPD was used as the third diene monomer. It is shown that carrying out the suspension process in the presence

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10

Zhao, Lian Hua, Xiao Bo Wei, and Xiao Guang Li. "The Analysis on the Tribological Properties of CR/EPDM Blends with Chrome-Plated Steel under Dry Sliding." Advanced Materials Research 774-776 (September 2013): 99–102. http://dx.doi.org/10.4028/www.scientific.net/amr.774-776.99.

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It is based on actual working conditions and parameters of the conveyor belt, to reach the purpose of the optimizing rubber by different rubbers mixing technology. Comparison the five kinds rubber and metal of the friction characteristics in dynamic fit, obtained a performance excellent rubber in the specific operating conditions. Then improve the overall service life of the transportation equipment. It is first prepared the same hardness CR and EPDM and blends that is ratio of 2:8, 5:5and8:2 in this article. The pros and cons of the five rubbers are analyzed by friction and wear properties of

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11

Su, Zhanpai, Pingkai Jiang, Qiang Li, Ping Wei, and Yong Zhang. "Toughening of Polypropylene Highly Filled with Aluminum Hydroxide." Polymers and Polymer Composites 13, no. 2 (2005): 139–50. http://dx.doi.org/10.1177/096739110501300203.

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The flame retardant and mechanical properties of polypropylene (PP), highly filled with aluminum hydroxide (Al(OH)3) and toughened with ethylene propylene diene monomer (EPDM) and zinc neutralized sulfated EPDM ionomer (Zn-S-EPDM), were studied along with their morphology. The PP matrix when highly filled with Al(OH)3 particles can achieve an adequate level of flame retardancy, but there is a decrease in the mechanical properties because of inadequate adhesion between the Al(OH)3 particles and the PP matrix and the strong tendency of the filler to agglomerate. The rubber incorporated in the PP

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12

Poh, B. T., J. Lamaming, and G. S. Tay. "Dependence of Adhesion Properties on Blend Ratio of Ethylene-Propylene-Diene Rubber/Standard Malaysian Rubber Blend Adhesive." Journal of Coatings 2013 (December 17, 2013): 1–6. http://dx.doi.org/10.1155/2013/383276.

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Viscosity, tack and, peel and shear strengths of ethylene-propylene-diene rubber (EPDM)/standard Malaysian rubber (SMR L) blend adhesive were studied using various blend ratios of the two rubbers, ranging from 0 to 100% EPDM. Coumarone-indene resin, toluene, and poly(ethylene terephthalate) (PET) were used as the tackifier, solvent, and coating substrate, respectively. The tackifier content was fixed at 40 parts per hundred parts of rubber (phr). A SHEEN hand coater was used to coat the adhesive on PET film at four coating thicknesses, that is, 30, 60, 90, and 120 µm. The viscosity and adhesio

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13

Sutanto, P., F. Picchioni, L. P. B. M. Janssen, K. A. J. Dijkhuis, W. K. Dierkes, and J. W. M. Noordermeer. "EPDM rubber reclaim from devulcanized EPDM." Journal of Applied Polymer Science 102, no. 6 (2006): 5948–57. http://dx.doi.org/10.1002/app.25153.

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14

Chan, B. L. "Potential Application of ENR/EPDM Blends." ASEAN Journal on Science and Technology for Development 33, no. 1 (2017): 48. http://dx.doi.org/10.29037/ajstd.5.

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Since the process and conversion of natural rubber into epoxidized natural rubber (ENR) was discovered and patented by I. R. Gelling of the Malaysian Rubber Product Research Association (or now known as the Tun Razak laboratory), Brickendonbury, Hertford, in the United Kingdom, there are more than 10 000 technical and technological papers cited in the internet. Information on ENR is available, not only in the the English language but also other languages like Chinese, Malay, French, Thai and even German languages are used.NR is the most versatile and reactive rubber/elastomer. It is an advance

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15

Lee, Sung-Hun, Su-Yeol Park, Kyung-Ho Chung, and Keon-Soo Jang. "Phlogopite-Reinforced Natural Rubber (NR)/Ethylene-Propylene-Diene Monomer Rubber (EPDM) Composites with Aminosilane Compatibilizer." Polymers 13, no. 14 (2021): 2318. http://dx.doi.org/10.3390/polym13142318.

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Rubber compounding with two or more components has been extensively employed to improve various properties. In particular, natural rubber (NR)/ethylene-propylene-diene monomer rubber (EPDM) blends have found use in tire and automotive parts. Diverse fillers have been applied to NR/EPDM blends to enhance their mechanical properties. In this study, a new class of mineral filler, phlogopite, was incorporated into an NR/EPDM blend to examine the mechanical, curing, elastic, and morphological properties of the resulting material. The combination of aminoethylaminopropyltrimethoxysilane (AEAPS) and

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16

Kwak, Seung Bum, Nak Sam Choi, Youn Joung Choi, and Sei Moon Shin. "Nondestructive Characterization of Degradation of EPDM Rubber for Automotive Radiator Hoses." Key Engineering Materials 326-328 (December 2006): 565–68. http://dx.doi.org/10.4028/www.scientific.net/kem.326-328.565.

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In this study, for EPDM rubber conventionally used as a radiator hose material the aging behaviors of the skin part under the electro-chemical stresses were nondestructively evaluated. On account of the penetration of coolant liquid into the skin part the weight of rubber specimens degraded by ECD test increased, whereas their failure strain and IRHD hardness decreased largely. The penetration of coolant liquid seemed to induce some changes in inner structure and micro hardness distribution of the rubbers. Consequently, EPDM rubbers degraded by ECD could be characterized nondestructively by mi

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17

Zhang, H., R. N. Datta, A. G. Talma, and J. W. M. Noordermeer. "Mixing, Curing and Reinforcement of NR/BR/EPDM Blends for Tire Sidewall Applications." Rubber Chemistry and Technology 82, no. 3 (2009): 379–99. http://dx.doi.org/10.5254/1.3548253.

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Abstract Tire sidewalls generally consist of blends of natural rubber (NR) and butadiene rubber (BR), containing a high concentration of antiozonants to provide ozone resistance. However, the most widely used antiozonant, N-(1, 3-dimethyl-butyl)-N'-phenyl-p-phenylenediamine (6PPD), is a staining, toxic and environmentally unfriendly substance. Incorporation of Ethylene-Propylene-Diene rubber (EPDM) into NR/BR is a way of achieving non-staining ozone resistance. But blending of dissimilar rubbers is severely restricted due to viscosity mismatch, thermodynamic incompatibility, cure incompatibili

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18

Liu, Gen, Faxin Du, Zhangjun Yao, et al. "Effects of Ethylene Propylene Diene Monomer (EPDM)-Based Polar Macromolecular Compatibilizers on the Low-Temperature Properties of Fluoroelastomer/EPDM Rubber Blends." Molecules 29, no. 23 (2024): 5522. http://dx.doi.org/10.3390/molecules29235522.

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Integrating rubber with superior low-temperature capabilities, such as ethylene propylene diene monomer (EPDM), is a strategic approach to bolster the low-temperature performance of fluoroelastomer (FKM). However, FKM and EPDM are thermodynamically incompatible. This work synthetized three EPDM-based polar macromolecular compatibilizers, epoxidized EPDM (EPDM-EP), 2,2-trifluoroethylamine-grafted epoxidized EPDM (EPDM-TF), and 2,4-difluorobenzylamine-grafted epoxidized EPDM (EPDM-DF), to enhance the compatibility between FKM and EPDM. These compatibilizers were subsequently incorporated into FK

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19

Hilborn, J., and B. Rånaby. "Photocrosslinking of EPDM Elastomers. Photocrosslinkable Compositions." Rubber Chemistry and Technology 62, no. 4 (1989): 592–608. http://dx.doi.org/10.5254/1.3536262.

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Abstract EFDM rubbers can be efficiently crosslinked using multifunctional monomers. Several factors must be taken into consideration: 1. Good solubility of the crosslinking agent in the rubber is essential. 2. It is favorable to have a mechanism of crosslinking which gives an alternating addition of rubber and crosslinking agent, as in the case of the stepwise radical thiol-ene system or alternating copolymerization of bis-maleimide with the olefinic rubber. These systems utilize each radical of the photoinitiator to form crosslinks, enhance the rate of crosslinking and prevent homopolymeriza

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20

Lee, Sang-Hyub, Se-Woo Yang, Eun-Suk Park, Ji-Young Hwang, and Dai-Soo Lee. "High-Performance Adhesives Based on Maleic Anhydride-g-EPDM Rubbers and Polybutene for Laminating Cast Polypropylene Film and Aluminum Foil." Coatings 9, no. 1 (2019): 61. http://dx.doi.org/10.3390/coatings9010061.

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The adhesion between aluminum (Al) foil and cast polypropylene (CPP) film laminated with mixtures of amorphous- and crystalline-maleic anhydride-grafted ethylene-propylene-diene monomer (MAH-g-EPDM) rubbers and highly reactive polybutene (HRPB) as the adhesives was investigated. Specifically, the HRPB was used as an adhesion promoter of the MAH-g-EPDM rubbers and CPP as well as a compatibilizer of two kinds of MAH-g-EPDM rubbers having limited miscibility. To introduce strong chemical bonds between the MAH-g-EPDM rubbers and Al foil, the surface of Al foil was treated with 3-aminopropyl trieth

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21

Zirnstein, Benjamin, Dietmar Schulze, and Bernhard Schartel. "Mechanical and Fire Properties of Multicomponent Flame Retardant EPDM Rubbers Using Aluminum Trihydroxide, Ammonium Polyphosphate, and Polyaniline." Materials 12, no. 12 (2019): 1932. http://dx.doi.org/10.3390/ma12121932.

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In this study, multicomponent flame retardant systems, consisting of ammonium polyphosphate (APP), aluminum trihydroxide (ATH), and polyaniline (PANI), were used in ethylene propylene diene monomer (EPDM) rubber. The multicomponent system was designed to improve flame retardancy and the mechanical properties of the rubber compounds, while simultaneously reducing the amount of filler. PANI was applied at low loadings (7 phr) and combined with the phosphorous APP (21 phr) and the mineral flame retardant ATH (50 phr). A comprehensive study of six EPDM rubbers was carried out by systematically var

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ZIMINA, A. S., YU N. KHAKIMULLIN, and YU E. MIRONOVA. "MODIFICATION OF ETHYLENE PROPYLENE DIENE RUBBER-BASED RUBBES WITH SILOXANE RUBBER." Herald of Technological University 27, no. 5 (2024): 96–99. http://dx.doi.org/10.55421/1998-7072_2024_27_5_96.

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Rubbers based on ethylene propylene diene rubber are widely used in the cable industry due to the possibility of using such rubbers in extreme conditions. However, such rubbers have limitations in heat resistance. To increase the heat resistance of such rubbers, it is possible to combine ethylene propylene diene with other rubbers. At the same time, it must be taken into account that the rubbers must be compatible with each other. To increase the heat resistance of rubbers based on ethylene propylene diene rubber, it is possible to introduce silicone rubber into the composition. Owing to the u

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Xie, Zhaonan, Xicheng Huang, Kai Zhang, et al. "Thermo-Oxidative Aging Effects on Hyperelastic Behavior of EPDM Rubber: A Constitutive Modeling Approach." Materials 18, no. 10 (2025): 2236. https://doi.org/10.3390/ma18102236.

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The effect of thermo-oxidative aging on the hyperelastic behavior of ethylene propylene diene monomer (EPDM) rubber was investigated by a combined experimental and theoretical modeling approach. Firstly, the uniaxial tensile test of aged and unaged EPDM rubber was carried out. The test results show that the unaged EPDM rubber had the nonlinear large deformation characteristic of a “S” shape. The stiffness of the EPDM rubber was found to increase with the aging time and aging temperature. Then, in order to quantitatively characterize the hyperelastic behavior of unaged EPDM rubber, the fitting

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Xin-yi, Du, Jiang Sheng-nan, Zhao Qing та ін. "Studies on Aging Behavior and Degradation Mechanism of Raw EPDM Rubber Under γ-Ray Irradiation". Journal of Composites and Biodegradable Polymers 11 (12 грудня 2023): 29–33. http://dx.doi.org/10.12974/2311-8717.2023.11.04.

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The aging behavior and mechanism of EPDM rubber were investigated by conducting different doses of γ-rays irradiation in raw EPDM rubber. A series of characterization methods such as Mooney viscosity, molecular weight and its distribution, rubber processing analysis, infrared spectroscopy analysis et al. were carried out. Structure and modifications of the raw EPDM rubber were tested under different irradiation doses. The results showed that the Mooney viscosity and molecular weight of EPDM rubber showed a significant decrease with increasing irradiation dose. The gel content and glass transit

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Zhang, Fuying, Haoche Shui, and Jun-Mei Yang. "Sealing performance and fatigue life of the fracturing packer rubber of various materials." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 233, no. 17 (2019): 6157–66. http://dx.doi.org/10.1177/0954406219859917.

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The finite element model of four packer rubber materials was established by using ABAQUS and FE-SAFE software. The initial sealing load (the load is the pressure) was 11.85 MPa, and the working load was 58.15 MPa. The sealing evaluation coefficient, maximum contact stress, and fatigue life value of four material packer rubbers were considered when considering temperature changes and fatigue unit nodes. The results show that when the working load and the structural parameters of the rubber are the same, the sealing evaluation coefficient of the four material rubber increases with the increase o

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Sabzekar, Malihe, Mahdi Pourafshari Chenar, Gholamhossein Zohuri, and Seyed Mohammadmahdi Mortazavi. "INVESTIGATION OF MECHANICAL, THERMAL, AND MORPHOLOGICAL PROPERTIES OF EPDM COMPOUNDS CONTAINING RECLAIMED RUBBER." Rubber Chemistry and Technology 90, no. 4 (2017): 765–76. http://dx.doi.org/10.5254/rct.18.81651.

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ABSTRACT The disposal of polymeric and hazardous materials is an important global issue. Thus, the mechanochemical reclaiming of waste EPDM rubber was carried out using disulfide oil (DSO), oily waste produced in gas refineries, as a reclaiming agent at a specific operation condition. Reclaimed rubber was characterized by crosslink density, sol-gel, and Mooney viscosity measurements. Following the study, blending of different portions of reclaimed rubber (20, 40, 60, and 80 wt%) with virgin EPDM rubber was carried out. Results showed that the addition of 60 wt% of reclaimed rubber to the virgi

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27

Persson, Anna-Maria Märta Ruth, and Erik Andreassen. "Cyclic Compression Testing of Three Elastomer Types—A Thermoplastic Vulcanizate Elastomer, a Liquid Silicone Rubber and Two Ethylene-Propylene-Diene Rubbers." Polymers 14, no. 7 (2022): 1316. http://dx.doi.org/10.3390/polym14071316.

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Thermoplastic elastomer vulcanizate (TPV) and liquid silicone rubber (LSR) are replacement candidates for ethylene-propylene-diene rubbers (EPDM), as they offer the possibility for two-component injection moulding. In this study, these material types were compared side by side in cyclic compression tests. The materials were also characterized to provide details on the formulations. Compared to the rubbers, the TPV had higher compression set (after a given cycle) and hysteresis loss, and a stronger Mullins effect. This is due to the thermoplastic matrix in the TPV. The LSR had lower compression

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Ruksakulpiwat, Yupaporn, Jatuporn Sridee, Nitinat Suppakarn, and Wimonlak Sutapun. "Natural Rubber and EPDM Rubber as an Impact Modifier in Vetiver Grass-Polypropylene Composites." Advanced Materials Research 47-50 (June 2008): 427–30. http://dx.doi.org/10.4028/www.scientific.net/amr.47-50.427.

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In this research, vetiver grass was used as a filler in polypropylene (PP) composite. Chemical treatment was done to modify fiber surface. Natural rubber (NR) and EPDM rubber at various contents were used as an impact modifier of the composites. The composites were prepared by using an injection molding. By adding NR or EPDM to PP composites, a significant increase in the impact strength and elongation at break was observed in PP composite with rubber content more than 20% by weight. However, the tensile strength and Young’s modulus of the composites decrease with increasing rubber contents. N

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Qu, Ming, Yan Ma, Chengliang Li, and Xinyan Shi. "Investigation of the properties of polynorbornene rubber/EPDM blends." Journal of Elastomers & Plastics 49, no. 7 (2016): 560–73. http://dx.doi.org/10.1177/0095244316676867.

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Polynorbornene rubbers (PNRs) used in this article were commercial compounds of polynorbornene filled with paraffin oil and fillers. The properties of PNR and ethylene-propylene-diene rubber (EPDM2650) blends with ratios of 100/0, 75/25, 50/50, 25/75, and 0/100 were investigated. Blends were cured by sulfur and accelerator at 150°C and 160°C, respectively. Moving die rheometer, differential scanning calorimeter (DSC), dynamic mechanical analysis (DMA), and rubber process analyzer were used to examine the properties of the blends. The PNR exhibited significant reversion that was reduced by blen

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Le, H. H., S. Ilisch, D. Heidenreich, K. Osswald, and H.-J. Radusch. "PHASE SELECTIVE LOCALIZATION OF FILLER IN TERNARY RUBBER BLENDS." Rubber Chemistry and Technology 84, no. 1 (2011): 41–54. http://dx.doi.org/10.5254/1.3524404.

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Abstract The present work introduces a new concept based on the analysis of the rubber–filler gel for the determination of the phase selective filler localization in ternary rubber blends. Natural rubber (NR)/styrene–butadiene rubber (SBR)/ethylene–propylene rubber (EPDM) blends filled with silica were the focus of the experimental investigations. Because of the higher wetting rate of the NR component to silica, in the first stage of the preparation of SBR/NR/EPDM blends, more silica is found in the NR phase than in the SBR and EPDM phase. In the subsequent stage, silica is transferred from th

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Estagy, Sara, Saeed Ostad Movahed, Soheil Yazdanbakhsh, and Majid Karim Nezhad. "A novel chemical technique for compatibility of ethylene-propylene-diene monomer rubber and styrene-butadiene rubber in their blends." Journal of Elastomers & Plastics 49, no. 4 (2016): 298–314. http://dx.doi.org/10.1177/0095244316653262.

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The market for commercial polymer blends has grown steadily. A good blend should have strong interphases between different parts of the constituted polymers. Lack of strong interphases is a classical problem of the blend industry. Ethylene-propylene-diene monomer rubber (EPDM)/styrene-butadiene rubber (SBR) blends have a very good aging resistance and good compression sets. However, these rubbers are partially miscible. To improve the miscibility of EPDM and SBR in their blends, a Lewis acid, AlCl3, was used to form EPDM–g–SBR copolymer through Friedel–Crafts reactions. The existence of covale

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Do Quang, Khang, Quang Tran Huu, Do Trung Sy, et al. "Preparation and properties of rubber nanocomposites based on natural rubber/ ethylene propylene diene monomer reinforced with nanosilica, carbon black and barium sulfate." Vietnam Journal of Science and Technology 60, no. 4 (2022): 652–63. http://dx.doi.org/10.15625/2525-2518/16751.

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In this work, rubber nanocomposites based on natural rubber/ethylene propylene diene monomer (NR/EPDM) blends and reinforced with nanosilica (NS) in combination with carbon black (CB) and barium sulfate (BS) were prepared by melt blending method in a Brabender internal mixer. The appropriate contents of NS and CB for reinforcing the rubber nanocomposites based on NR/EPDM are 10 and 30 phr (parts per hundred rubber), respectively. The NR/EPDM nanocomposites material reinforced with 10 phr NS and 30 phr CB has the best mechanical properties that with the enhancement of tensile strength over 117%

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Shirazi, M., and J. W. M. Noordermeer. "FACTORS INFLUENCING REINFORCEMENT OF NR AND EPDM RUBBERS WITH SHORT ARAMID FIBERS." Rubber Chemistry and Technology 84, no. 2 (2011): 187–99. http://dx.doi.org/10.5254/1.3570531.

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Abstract Among short fiber reinforced composites, those with rubbery matrices have gained great importance due to the advantages they have in processing and low cost, coupled with high strength. These composites combine the elastic behavior of rubbers with strength and stiffness of fibers. Aramid fibers have been chosen because of their significantly higher modulus and strength, compared to other commercial fibers. Compounds based on NR and EPDM are prepared. Short aramid fibers with different kinds of surface treatments, standard finish, and resorcinol formaldehyde latex (RFL)-coating result

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Yoon, J. R., Y. Ikeda, A. S. Hashim, and S. Kohjiya. "Effect of Bromination on the Properties of Ethylene-Propylene-Diene Rubber in the Presence of Divinylbenzene." Rubber Chemistry and Technology 68, no. 5 (1995): 824–35. http://dx.doi.org/10.5254/1.3538778.

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Abstract The curing behavior and vulcanizate properties of EPDM and brominated EPDM (BEPDM) were compared using a dicumyl peroxide curing system. The BEPDM displayed lower torque and crosslink density, but better tensile properties than the EPDM. In the presence of divinylbenzene (DVB) coagent, all vulcanizates, i.e., EPDM, BEPDM, and their blends with natural rubber, had improved tensile properties. At low DVB concentration, the filler effect of DVB on the modulus enhancement was noticed. At high and comparable DVB concentration, both the BEPDM and NR/BEPDM blend showed significantly higher m

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Wang, Kai, Hengxu Lv, and Zhixin Liu. "Vulcanization Characteristics and Static/Dynamic Mechanical Properties of Chlorinated Butyl Rubber Matrix Materials." Polymers 17, no. 6 (2025): 708. https://doi.org/10.3390/polym17060708.

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The damping performance of chlorinated butyl rubber (CIIR) is exceptional; however, its poor processability during vulcanization can lead to numerous defects. Natural rubber (NR) and ethylene propylene diene monomer rubber (EPDM) were selected to blend with CIIR for improving its processing performance. Their effects on the vulcanization characteristics, mechanical properties, and damping performance were investigated. Blending CIIR with NR can considerably increase the vulcanization speed of the rubber compound and improve production efficiency. The tensile strength of the vulcanizate first i

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Natchimuthu, N. "AFM Studies on Silica Dispersion in EPDM Rubber." Rubber Chemistry and Technology 83, no. 2 (2010): 123–32. http://dx.doi.org/10.5254/1.3548270.

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Abstract EPDM rubber formulations filled with precipitated silica and cross-linked by peroxide vulcanization have been investigated with the objective of realizing better processing characteristics and vulcanizate properties. Dispersion of silica in EPDM rubber in the presence of conventional coupling agents and in the presence of an epoxy resin has been investigated using atomic force microscopy (AFM) and scanning electron microscopy (SEM). AFM results of EPDM rubber compounds containing silica fillers in the presence of the epoxy resin have exhibited improved silica dispersion in terms of sc

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Liu, Yan Hui, Yan Li, Qing Chun Lv, Ke Xu, and Ling Pin Zhang. "Performance Evaluation of Heat Transfer Tube and Tube Sheet Rubber Ring in Distillation Desalination." Advanced Materials Research 777 (September 2013): 3–10. http://dx.doi.org/10.4028/www.scientific.net/amr.777.3.

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Based on the material of EPDM, we develop specialized rubber material for low-temperature multi-effect distillation (LT-MED) conditions. For heat transfer tube and tube sheet connected to the rubber (herein referred as EPDM rubber material) ring are used in the LT-MED desalination equipment, we make regular aging and multivariate synergistic aging test on EPDM. According to the experimental results, we develop an evaluation method applicable to usage of sealing rubber material under LT-MED conditions, and rubber material properties are measured by the changes of mechanical indicators. Finally,

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Liang, Wenbin, Solomon Tang, Rajan Vara, et al. "Molecular Structure and Processing Characteristics of Metallocene EPDM Rubbers." Rubber Chemistry and Technology 82, no. 5 (2009): 506–23. http://dx.doi.org/10.5254/1.3548261.

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Abstract We report the molecular structure and processing characteristics of a series of metallocene-based EPDM rubbers. The relationships between molecular weight and composition distributions and the ENB content of the polymers, and their effects on network structure development are investigated. Experimental data and Monte Carlo simulation results reveal that, compared to EPDM of broad MWD, EPDM rubbers with narrow MWD can achieve faster cure and higher degree of cure at equal or lower ENB level during vulcanization. The processing behaviors and mechanical properties of rubber compositions

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Xie, Zhaonan, Dong Jia, Xicheng Huang, et al. "Influence of Temperature on Hyperelastic Mechanical Behavior of Accelerated Aged EPDM Rubber." Polymers 17, no. 12 (2025): 1626. https://doi.org/10.3390/polym17121626.

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EPDM (Ethylene Propylene Diene Monomer) rubber is a crucial engineering material, and its mechanical behavior changes with aging duration and ambient temperature. The effects of temperature on the hyperelastic behavior of unaged and aged EPDM rubber are investigated by conducting accelerated aging tests under constant compression and uniaxial compression tests at different temperatures. The experimental results show that prolonged aging induces EPDM rubber to exhibit an approximately linear hardening trend under a constant temperature. For aged EPDM rubber, its stiffness initially decreases an

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Ma, Li Na, Yu Zeng Zhao, Hong Hua Ge, and Kuai Ying Liu. "Thermal Aging Analysis of Rubber Used for Fabric Expansion Joints." Advanced Materials Research 807-809 (September 2013): 2718–21. http://dx.doi.org/10.4028/www.scientific.net/amr.807-809.2718.

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Several kinds of rubbers used for fabric expansion joints were studied by Thermogravimetric analysis under inert atmosphere before and after artificial accelerated thermal aging. The results showed that because of the difference of the chemical structures, the rubber aging is different. And the thermal stability of Polytetrafluoroethylene (PTFE) was obviously higher than that of other two kinds of rubbers, ethylene-propylene-diene-terpolymer rubber (EPDM) and fluororubber.

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Pornprasit, Rattapol, Philaiwan Pornprasit, Pruet Boonma, and Juggapong Natwichai. "Determination of the Mechanical Properties of Rubber by FT-NIR." Journal of Spectroscopy 2016 (2016): 1–7. http://dx.doi.org/10.1155/2016/4024783.

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Mechanical tests, for example, tensile and hardness tests, are usually used to evaluate the properties of rubber materials. In this work, mechanical properties of selected rubber materials, that is, natural rubber (NR), styrene butadiene rubber (SBR), nitrile butadiene rubber (NBR), and ethylene propylene diene monomer (EPDM), were evaluated using a near infrared (NIR) spectroscopy technique. Here, NR/NBR and NR/EPDM blends were first prepared. All of the samples were then scanned using a FT-NIR spectrometer and fitted with an integration sphere working in a diffused reflectance mode. The spec

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Dorigato, A., M. V. Ciampolillo, A. Cataldi, M. Bersani, and A. Pegoretti. "POLYETHYLENE WAX/EPDM BLENDS AS SHAPE-STABILIZED PHASE CHANGE MATERIALS FOR THERMAL ENERGY STORAGE." Rubber Chemistry and Technology 90, no. 3 (2017): 575–84. http://dx.doi.org/10.5254/rct.82.83719.

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ABSTRACT Various amounts of a paraffinic wax were dispersed by melt mixing in an ethylene/propylene diene monomers (EPDM) rubber matrix. The resulting compounds were then vulcanized to obtain shape-stabilized rubbery phase change materials for thermal energy storage. The addition of the paraffinic wax induced a retardation in the vulcanization kinetics of the EPDM matrix. Calorimetric measurements evidenced how the homogenous distribution of the wax domains within the rubber, confirmed by electron microscopy observations, allowed for retaining the melting enthalpy of the neat paraffinic wax ev

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Kwak, Seung Bum, and Nak Sam Choi. "Degradation and Failure Mechanisms of EPDM Rubbers for Automotive Radiator Hoses." Key Engineering Materials 353-358 (September 2007): 2864–68. http://dx.doi.org/10.4028/www.scientific.net/kem.353-358.2864.

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Coolant rubber hoses for automobile radiators under thermal and mechanical loadings can be degraded and thus failed due to the influences of contacting stresses of air, coolant liquid and to the locally formed electricity. In this study, degradation behavior of the radiator hose made of EPDM rubber was evaluated. The thermo-oxidative aging test showed that the surface hardness IRHD of the rubber increased together with a reduction of failure strain. By the electro-chemical test it was shown that the penetration of coolant liquid into the skin of the rubber hose arose inducing an increase in we

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Deuri, A. Saha, and Anil K. Bhowmick. "Aging of EPDM rubber." Journal of Applied Polymer Science 34, no. 6 (1987): 2205–22. http://dx.doi.org/10.1002/app.1987.070340613.

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Vishvanathperumal, S., V. Navaneethakrishnan, G. Anand, and S. Gopalakannan. "Evaluation of Crosslink Density Using Material Constants of Ethylene-Propylene-Diene Monomer/Styrene-Butadiene Rubber with Different Nanoclay Loading: Finite Element Analysis-Simulation and Experimental." Advanced Science, Engineering and Medicine 12, no. 5 (2020): 632–42. http://dx.doi.org/10.1166/asem.2020.2567.

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Nanoclay is used to enhance the mechanical properties of ethylene-propylene-diene rubber (EPDM)/styrene-butadiene rubber (SBR) blends. Sulphur (S), dicumyl peroxide (P), and mixed systems (S + P) were used as crosslinking or vulcanizing agents for the EPDM/SBR nanocomposites. The experimental data of the stress–strain behavior of EPDM/SBR blends with different nanoclay loading have been determined through a tension test. Nonlinear mechanical behaviors of the rubbers are described by strain energy functions in order to assurance that rigid body motions play no role in the constitutive law. The

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Lu, Xiang Hui, Chen Liu, Jun Tian, and Yang Li. "Study of Applying Aramid Fiber Treated Insurface to EPDM Rubber Composite Materials." Applied Mechanics and Materials 446-447 (November 2013): 18–21. http://dx.doi.org/10.4028/www.scientific.net/amm.446-447.18.

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The surface of aramid fiber is very smooth and chemical inert.The adhesiveness of aramid fiber with EPDM rubber materials is not good.So the tensile strength of EPDM rubber composite materials is influenced seriously.This paper modified the surface of aramid fiber with silicon coupling agentKH-550. We test the chang of fibers in surface with the ESCA,and the result is that content of carbon decreased ,while content of nitrogen and oxygen element increased.The activity of surface of fiber has been increased. Strength of composite materials increased from 2.58MPa to 3.22 MPa . The SEM photos of

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Rojas Rodríguez, Freddy Ignacio, José Roberto d’Almeida Moraes, and Bojan A. Marinkovic. "Natural Aging of Ethylene-Propylene-Diene Rubber under Actual Operation Conditions of Electrical Submersible Pump Cables." Materials 14, no. 19 (2021): 5520. http://dx.doi.org/10.3390/ma14195520.

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Ethylene-propylene-diene monomer (EPDM) rubbers used in electric submersible pump (ESP) cables were analyzed after being aged in actual operation conditions in oil wellbores. These rubbers constitute the insulation and jacket layers of the ESP cables. EPDM rubbers from four different cables operating during different time intervals (2 and 4.8 years) at different depths (from 760 to 2170 m) below sea level were studied. To verify the effects of the long exposure on the rubber performance, thermal analysis was performed to determine the thermal stability and activation energy of degradation. In

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Bansod, Naresh D., Bharat P. Kapgate, Pradip K. Maji, Anasuya Bandyopadhyay, and Chayan Das. "FUNCTIONALIZATION OF EPDM RUBBER TOWARD BETTER SILICA DISPERSION AND REINFORCEMENT." Rubber Chemistry and Technology 92, no. 2 (2018): 219–36. http://dx.doi.org/10.5254/rct.18.81564.

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ABSTRACT Functionalization of non-polar ethylene propylene diene monomer (EPDM) rubber by melt grafting of maleic anhydride (MA) and in situ incorporation of sol–gel derived silica in the MA grafted EPDM has been done to prepare EPDM/silica composites to use dual benefits of both the approaches, which results in adequate rubber–filler compatibility, good filler dispersion, and enhanced composite properties. Controlled growth of silica up to 25 parts per hundred rubber (phr) is carried out with the solution sol–gel process using tetraethoxysilane (TEOS) as a silica precursor. Mechanical and dyn

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Im, Hyungu, and Sunkyoung Jeoung. "Mechanical Aging Test and Sealing Performance of Thermoplastic Vulcanizate as Sealing Gasket in Automotive Fuel Cell Applications." Polymers 15, no. 8 (2023): 1872. http://dx.doi.org/10.3390/polym15081872.

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Ethylene–propylene–diene monomer (EPDM) rubber is one of the rapidly developing synthetic rubbers for use as a gasket material in proton exchange membrane (PEM) fuel cell applications. Despite its excellent elastic and sealing properties, EPDM faces challenges such as molding processability and recycling ability. To overcome these challenges, thermoplastic vulcanizate (TPV), which comprises vulcanized EPDM in polypropylene matrix, was investigated as a gasket material for PEM fuel cell applications. TPV showed better long-term stability in terms of tension and compression set behaviors under a

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Toczek, Klaudia, Magdalena Lipińska, and Joanna Pietrasik. "Smart TPE Materials Based on Recycled Rubber Shred." Materials 14, no. 21 (2021): 6237. http://dx.doi.org/10.3390/ma14216237.

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Thermo-responsive shape memory materials were developed based on recycled ethylene-propylene-diene (EPDM) rubber shred and thermoplastic elastomers (TPE). Ethylene-1-octene TPEs (Engage 8180, 8411, 8452) with varying degrees of crystallinity and Mooney viscosity were used to prepare the composite materials. To avoid the deterioration of static mechanical properties after mixing recycled EPDM rubber shred (RS) with thermoplastic elastomers, they were partially cured using dicumyl peroxide. The peroxide curing was the most effective for a rubber shred/Engage 8180 blend, where the highest cure ra

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