ethylene propylene
An Integrated AHP-PROMETHEE Method for Selecting the most Suitable Ethylene Propylene Diene Termonomer
... applied to the terpolymerization of ethylene, propylene, and 5-ethylidiene-2-norbornene (ENB). The methylaluminoxane (MAO) was used as a cocatalyst. It showed an appropriate activity, a high incorporation ...
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Electromechanical Properties of Ethylene Propylene Diene Elastomers: Effect of Ethylene Norbornene Content
... Dielectric materials typically have poor electrical con- ductivity; they are widely used in capacitors [1], in elec- troactive polymers (EAP), and in dielectric elastomer actuators (DEAs). DEA applications have been ...
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Antibacterial ethylene propylene rubber impregnated with silver nanopowder: AgNP@EPR
... Size, morphology, and durability of nanosilver highly depend on method of synthesis. Following our quest for stable nanomaterials [27-30], and our recent interest in reaching for a molded rubber article with possible ...
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Characterization Of Epoxidised Natural Rubber Ethylene Propylene Diene Monomer (ENR-EPDM) Blend Prepared Via Solution Mixing In Toluene
... Natural rubber (NR) is normally blended with ethylene propylene diene rubber (EPDM) to improve ageing resistance of the former without losing its good mechanical properties. Due to the difference in ...
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Performance analysis of ethylene-propylene diene monomer sound-absorbing materials based on image processing recognition
... It was found that Gd2O3-filled carbon black reinforced foamed EPDM rubber has the best damping performance and sound ab- sorption performance; Y2O3-, CeO2-, and La2O3-filled foamed EPDM [r] ...
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Effect of Environmental Desert Conditions on the Performance of Hydrophobic Polymer Insulators Surfaces
... Abstract—Polymeric insulators are widely used in newly constructed systems and to replace porcelain and glass insulators in existing power lines due to its improved performance. This paper presents an experimental work, ...
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Measurement and Modelling of the Rubber Resilience based on Ultrasonic Nondestructive Testing in Tires
... Rubber-Ethylene Propylene Diene Monomer with weight percentage of 0%, 25%, 50%, 75% and 100% of ethylene propylene rubber by ultrasonic waves at a frequency of 2 MHz and at room temperature ...
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Estimation of Kinetic Parameters of Coking Reaction Rate in Pyrolysis of Naphtha
... Abstract The run length of cracking furnaces is limited by the formation of coke on the internal skin of the reactor tubes. The reaction mechanism of thermal cracking of hydrocarbons is generally accepted as free-radical ...
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Organic matter controls of iron incorporation in growing sea ice
... Exp., extracellular polymeric substances, POC, PON, and macro-nutrients experiments; Fe, iron; FEP, teflon fluorinated ethylene propylene; Ice texture Exp., ice texture experiment; Iron [r] ...
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Ultrasonic and volumetric study of aqueous solution of ethylene glycol, propylene glycol in iso propanol
... In the present study, theoretical sound velocities using Nomoto, Van Dael and Impedance relations (detailed discussion on these theories is discussed in our previous papers [21,22]) have been evaluated by considering ...
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The Vulcanization Characteristics and Physical Properties of Carbon Black Loaded–Polymeric Composites: I. N-220 Black Loaded PVC/EPDM Composites
... Abstract In the present study, attempts have been made to modify carbon black filled Ethylene-propylene-diene monomer (EPDM) /Poly vinyl chloride (PVC) composites. Compounding were carried out using a ...
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Effects of ZSM-5 Preparation Conditions on Textural Properties and Catalytic Cracking of n-Hexane
... of ethylene, propylene, and butene is ...of ethylene and propylene had been only 29% and 35% ...of propylene was reached 41%, but the carbon deposition resistance was ...
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The use of Plant Oils for Gaining the Colored Plastoconcrete
... Solutions based on organic oils to obtain binders for the production of color plastoconcrete Petroleum resin, ethylene-vinyl acetate copolymers, EPDM rubber (ethylene-propylene- diene mo[r] ...
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Effect of graphene on polar and nonpolar rubber matrices
... CB: Carbon black; CRI: Cure rate index; CZ: N-cyclohexyl-2- benzothiazolesulfenamide; DMA: Dynamic Mechanical Analysis; EB: Elongation at break; EPDM: Ethylene-propylene-diene monomer; G[r] ...
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VOLUMETRIC AND VISCOMETRIC STUDY OF AQUEOUS SOLUTION OF ETHYLENE GLYCOL, PROPYLENE GLYCOL IN ISO-PROPANOL
... aqueous ethylene/propylene glycol is presented in figures 1a and ...and ethylene glycol/propylene glycol are both associated liquids, associated through hydrogen ...
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Chemical Modification Of Oxidized Polymers
... of ethylene-propylene copolymers (SREP-5, ...60, propylene content - 40%, antioxidant - ...of ethylene-propylene and isobutylene-isoprene copolymers affected by high-frequency ...
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Online Full Text
... In this paper, the reactor was modeled with three different methods. In the first method, using laboratory data obtained from Amir-Kabir Olefin unit and the Table Curve 2D software, an optimal value of COT for ...
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Solid Dispersion of Nateglinide in Polyoxy Ethylene-Polyoxy Propylene Block Copolymer: in vitro and in vivo Evaluation
... Objective: The study was aimed to improve solubility and bioavailability of nateglinide preparing stable solid dispersions with polyoxy ethylene-polyoxy propylene block copolymer (poloxamer 188). Methods: ...
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Does your preservative preserve? A comparison of the efficacy of some pitfall trap solutions in preserving the internal reproductive organs of dung beetles
... then propylene glycol is ...legs. Ethylene glycol should be avoided since it is toxic to wildlife (Hall 1991) and has similar preservative strength to propylene glycol (see Results and Table ...us, ...
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Estimation of pyrolysis product of LDPE degradation using different process parameters in a stirred reactor
... H 2 , ethylene and propylene are examples of reactive carrier gases, although H 2 has more reactivity. H 2 reacts, via hydrogenation, with the pyrolysis products to protect them from more chain scission and ...
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