Study on dielectric, thermal, and mechanical properties of the ethylene vinyl acetate reinforced with ground tire rubber

2011 ◽  
Vol 30 (7) ◽  
pp. 581-592 ◽  
Author(s):  
R. Mujal-Rosas ◽  
J. Orrit-Prat ◽  
X. Ramis-Juan ◽  
M. Marin-Genesca ◽  
Ahmed Rahhali
Keyword(s):  
Mechanical Properties ◽  
Vinyl Acetate ◽  
Ethylene Vinyl Acetate ◽  
Thermal And Mechanical Properties ◽  
Tire Rubber ◽  
Ground Tire Rubber

scholarly journals Ground Tire Rubber Modified by Ethylene-Vinyl Acetate Copolymer: Processing, Physico-Mechanical Properties, Volatile Organic Compounds Emission and Recycling Possibility

Materials ◽  
2020 ◽  
Vol 13 (20) ◽  
pp. 4669
Author(s):  
Łukasz Zedler ◽  
Paulina Burger ◽  
Shifeng Wang ◽  
Krzysztof Formela
Keyword(s):  
Mechanical Properties ◽  
Volatile Organic Compounds ◽  
Vinyl Acetate ◽  
Organic Compounds ◽  
Ethylene Vinyl Acetate ◽  
Tire Rubber ◽  
Ground Tire Rubber ◽  
Volatile Organic ◽  
Acetate Copolymer ◽  
Ethylene Vinyl Acetate Copolymer

Ground tire rubber (GTR) was reclaimed and modified with 10 phr of ethylene-vinyl acetate copolymer via low-temperature extrusion process. Processing, physico-mechanical properties, volatile organic compounds emission, and recycling possibility were investigated. In order to better understand the impact of used modifiers, their efficiency was compared with trans-polyoctenamer, which is an additive that is commercially dedicated to waste rubber recycling. The results showed that a relatively small amount of ethylene-vinyl acetate copolymer improves the mechanical properties of modified reclaimed GTR and also allows further recycling by multiple processing without the deterioration of performance after three cycles.

Crosslinking Kinetics of Blends of Ethylene Vinyl Acetate and Ground Tire Rubber

2009 ◽  
Vol 41 (2) ◽  
pp. 175-189 ◽  
Author(s):  
O. Bianchi ◽  
R. Fiorio ◽  
J.N. Martins ◽  
A.J. Zattera ◽  
C.H. Scuracchio ◽  
...  
Keyword(s):  
Vinyl Acetate ◽  
Ethylene Vinyl Acetate ◽  
Tire Rubber ◽  
Ground Tire Rubber ◽  
Kinetics Of

scholarly journals Processing, Performance Properties, and Storage Stability of Ground Tire Rubber Modified by Dicumyl Peroxide and Ethylene-Vinyl Acetate Copolymers

Polymers ◽  
2021 ◽  
Vol 13 (22) ◽  
pp. 4014
Author(s):  
Paulina Wiśniewska ◽  
Łukasz Zedler ◽  
Krzysztof Formela
Keyword(s):  
Gas Chromatography ◽  
Vinyl Acetate ◽  
Storage Stability ◽  
Ethylene Vinyl Acetate ◽  
Styrene Butadiene Rubber ◽  
Dicumyl Peroxide ◽  
Tire Rubber ◽  
Ground Tire Rubber ◽  
Performance Properties ◽  
And Storage

In this paper, ground tire rubber was modified with dicumyl peroxide and a variable content (in the range of 0–15 phr) of ethylene-vinyl acetate copolymers characterized by different vinyl acetate contents (in the range of 18–39 wt.%). Modification of ground tire rubber was performed via an auto-thermal extrusion process in which heat was generated during internal shearing of the material inside the extruder barrel. The processing, performance properties, and storage stability of modified reclaimed ground tire rubber were evaluated based on specific mechanical energy, infrared camera images, an oscillating disc rheometer, tensile tests, equilibrium swelling, gas chromatography combined with a flame ionization detector, and gas chromatography with mass spectrometry. It was found that the developed formulas of modified GTR allowed the preparation of materials characterized by tensile strengths in the range of 2.6–9.3 MPa and elongation at break in the range of 78–225%. Moreover, the prepared materials showed good storage stability for at least three months and satisfied processability with commercial rubbers (natural rubber, styrene-butadiene rubber).

Effect of electron beam irradiation on the thermal and mechanical properties of ethylene-vinyl acetate copolymer/polyamide blends

2020 ◽  
pp. 096739112093010
Author(s):  
Jawad Ahmed ◽  
Yong Zhang
Keyword(s):  
Mechanical Properties ◽  
Electron Beam ◽  
Vinyl Acetate ◽  
Irradiation Dose ◽  
Ethylene Vinyl Acetate ◽  
Cross Linking ◽  
Thermal And Mechanical Properties ◽  
Beam Irradiation ◽  
Acetate Copolymer ◽  
Ethylene Vinyl Acetate Copolymer

The effect of electron beam (e-beam) irradiation on the thermal and mechanical properties of ethylene-vinyl acetate copolymer/ternary polyamide (EVA/tPA) blends was studied. The e-beam irradiation was carried out over a range of dose from 50 kGy to 500 kGy with trimethylolpropane trimethacrylate (TMPTMA) and triallyl isocyanurate (TAIC) as cross-linking coagents. With increasing irradiation dose, the gel fraction of the EVA/tPA blends increased significantly. After irradiated by e-beam at 500 kGy, the insoluble fraction of EVA/tPA blends with 3 parts per hundred rubber TMPTMA increased from 28% to 86%. The tensile strength of EVA/tPA/TMPTMA-3 (70/30/3) considerably increased up to 172% with a value of 10.01 MPa at 500 kGy due to an increase in cross-linking compared to the EVA/tPA/TAIC-3 (70/30/3) blend. However, the melting temperature and crystallization peak temperature of EVA/tPA blends decreased with increasing irradiation dose. Thermogravimetric analysis demonstrated that the irradiation cross-linking could improve the thermal stability of the EVA/tPA blends. The degradation kinetics of the EVA/tPA blends at elevated temperatures were studied using the Kissinger, Flynn–Wall–Ozawa, and Friedman methods. Irradiation cross-linked EVA/tPA blends exhibited a remarkable improvement in their oil resistance, with the identified improvement being most prominent in the EVA/tPA/TMPTMA-3 blend.

Polymer Foams Based on Low Density Polyethylene/Ethylene Vinyl Acetate/Ground Tire Rubber (LDPE/EVA/GTR): Influence of the GTR Particle Size and Content on the Cellular Morphology and Density of the Final Foamed Compounds

2018 ◽  
Vol 779 ◽  
pp. 64-70
Author(s):  
Florentino Soriano-Corral ◽  
José F. Hernández-Gámez ◽  
Lyndon H. I. Durón-Sánchez ◽  
Luis Francisco Ramos de Valle ◽  
Myriam Lozano-Estrada ◽  
...  
Keyword(s):  
Particle Size ◽  
Size Distribution ◽  
Cell Size ◽  
Vinyl Acetate ◽  
Ethylene Vinyl Acetate ◽  
Low Density Polyethylene ◽  
Low Density ◽  
Cell Size Distribution ◽  
Tire Rubber ◽  
Ground Tire Rubber

Addition of different contents of ground tire rubber (GTR) of different particles size in crosslinked-foamed compounds based on low density polyethylene (LDPE)/ethylene vinyl acetate (EVA) was studied. Compounds were made by melt mixing in an internal mixer at 100°C and 60 rpm. Trigonox 145-45B as crosslinking agent, azodicarbonamide (ADC) as chemical blowing agent (CBA) and ZnO/SiO2as foaming co-agents, were used. GTR of 149, 74, and 44 μm particle size was incorporated as “cell nucleating agent”, each particle size at 5, 10, and 20 phr. Morphological parameters such as average cell size (d), cell size distribution and cellular density (NC) were evaluated from images acquired by scanning electron microscopy (SEM). The results obtained from the SEM characterization show a significant reduction ofd, a significance increment onNC, up to 5.81*105to 3.62*107cells/cm3and a better homogenization of the cell size distribution in the foamed compounds with high GTR contents of the smaller particle size.

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