Search Results - "PERENA, J. M"

Effect of crosslinking on the mechanical and thermal properties of poly(vinyl alcohol) by KRUMOVA, M, LOPEZ, D, BENAVENTE, R, MIJANGOS, C, PERENA, J. M

“…Poly(vinyl alcohol) was crosslinked with hexamethylene diisocyanate in solution. The variation of the thermal and mechanical properties with the crosslinking…”
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Thermal degradation kinetics of insulating/conducting epoxy/Zn composites under nonisothermal conditions by Arshad, M. Azeem, Maaroufi, A., Benavente, R., Pereña, J.M., Pinto, G.

“…This article deals with the nonisothermal degradation kinetics of insulating and conducting epoxy/Zn composites. A comparison of thermal degradation data…”
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Crystallization behavior of poly(L-lactic acid)-based ecocomposites prepared with kenaf fiber and rice straw by Dobreva, T., Pereña, J.M., Pérez, E., Benavente, R., García, M.

“…Several composites of poly(L‐lactic acid) (PLLA) with natural fibers (kenaf and rice straw) and pigments have been prepared and analyzed. The study of the…”
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Electrical conductivity of new zinc phosphate glass/metal composites by Maaroufi, A., Oabi, O., Pinto, G., Ouchetto, M., Benavente, R., Pereña, J.M.

“…Zinc phosphate–glass/metal composites have been successfully prepared. Glass with composition of 45mol% ZnO–55mol% P2O5 (ZP) has been filled with metallic…”
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Effect of different thermal treatments on the mechanical performance of poly(L-lactic acid) based eco-composites by Dobreva, T, Benavente, R, Pereña, J.M, Pérez, E, Avella, M, García, M, Bogoeva-Gaceva, G

“…PLLA-based eco-composites reinforced with kenaf fiber and rice straw and containing red or yellow pigments have been studied. The mechanical behavior of the…”
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Improvement of mechanical performance of epoxy resins filled with cobalt and chromium powders by El Homrany, M, Maaroufi, A, Benavente, R, Pereña, J.M, Pinto, G, Halim, M

“…Epoxy/ powder metal composites have interesting electrical properties, becoming conductors above the percolation threshold. To complete this study, mechanical…”
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Metallocene copolymers of propene and 1-hexene: The influence of the comonomer content and thermal history on the structure and mechanical properties by López-Majada, J. M., Palza, H., Guevara, J. L., Quijada, R., Martínez, M. C., Benavente, R., Pereña, J. M., Pérez, E., Cerrada, M. L.

“…The relationships between the structure and properties have been established for copolymers of propylene and 1‐hexene synthesized with an isotactic metallocene…”
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Nonisothermal melt-crystallization kinetics of isotactic polypropylene synthesized with a metallocene catalyst and compounded with different quantities of an α nucleator by Dobreva, T, López-Majada, J.M, Pereña, J.M, Pérez, E, Benavente, R

“…The nonisothermal crystallization kinetics of a metallocene-made isotactic polypropylene (m-iPP) and its compounds with 0.1 wt % and 0.3 wt % of a sorbitol…”
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The effect of annealing on the structure and relaxation processes of vinyl alcohol-ethylene copolymers by Cerrada, M. L., Benavente, R., Pérez, E., Pereña, J. M.

“…An annealing process has been applied to three samples of vinyl alcohol–ethylene (VAE) copolymers, richer in the former comonomer. The effect of such a process…”
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Microhardness of polyethylene surface modified by chlorosulphonic acid by Pereña, J.M, Lorenzo, V, Zamfirova, G, Dimitrova, A

“…Chlorosulphonic acid etching of polyethylene produces changes in its surface structure that can be tested by means of microhardness measurements. The results…”
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The γ relaxation in polymers containing ether linkages: conformational dynamics in the amorphous phase for a series of polybibenzoates containing oxyethylene spacers by Heaton, N.J., Benavente, R., Pérez, E., Bello, A., Pereña, J.M.

“…Restricted conformational transitions in oxyethylene chains have been investigated using a molecular mechanics approach. Geometries and energies of transition…”
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Nonisothermal Melt-Crystallization Kinetics of Isotactic Polypropylene Synthesized with a Metallocene Catalyst and Compounded with Different Quantities of an a Nucleator by DOBREVA, T, LOPEZ-MAJADA, J. M, PERENA, J. M, PEREZ, E, BENAVENTE, R

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The effect of tensile drawing on the structure and relaxation processes in vinyl alcohol-ethylene copolymers by CERRADA, M. L, BENAVENTE, R, PEREZ, E, PERENA, J. M

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Analysis of the activation energy spectrum for the enthalpy relaxation of a glassy liquid crystalline polymer by LORENZO, V, PERENA, J. M, PEREZ, E, BENAVENTE, R, BELLO, A

“…The phenomenology of the physical ageing of glassy materials can be described by using the activation energy spectrum model. This model was originally…”
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Solubility of erucamide (13-cis docosenamide) in isotactic poly(propylene) and thermal behaviour of their blends by Quijada-Garrido, I., Barrales-Rienda, J.M., Pereña, J.M., Frutos, G.

“…Differential scanning calorimetry studies, made on blends prepared by mixing in the melt, have demonstrated that crystallization of erucamide (13-…”
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The effect of residual acetate groups on the structure and properties of vinyl alcohol-ethylene copolymers by Cerrada, M. L., Benavente, R., Pérez, E., Pereña, J. M.

“…Vinyl alcohol–ethylene (VAE) copolymers, commercially manufactured by hydrolysis of the corresponding vinyl acetate–ethylene copolymers, can contain small…”
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Dynamic mechanical relaxations and microhardness indentations of styrene–ethylene copolymers obtained with heterogeneous catalysts by Benavente, Rosario, Pereña, José M., Pérez, Ernesto, Bello, Antonio, Ribeiro, M.Rosário, Portela, Manuel F.

“…The dynamic-mechanical behaviour of several copolymers of ethylene and styrene, obtained with a heterogeneous catalyst, has been analysed and compared with…”
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Liquid-crystalline poly[oxybis(trimethylene) p,p'-bibenzoate]: effect of the central ether group by Bello, A, Perez, E, Marugan, M. M, Perena, J. M

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Dynamic mechanical and dielectric behavior of erucamide (13-cis-docosenamide), isotactic poly(propylene), and their blends by Quijada-Garrido, I., Barrales-Rienda, J. M., Pereña, J. M., Frutos, G.

“…Blends of erucamide (13‐cis‐docosenamide) and isotactic poly(propylene) were analyzed by means of dynamic mechanical (at 3, 10, and 30 Hz) and dielectric (at…”
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Morphological and dynamic mechanical studies on polybibenzoate-polypyrrole composites by de la Plaza, A., Pereña, J.M., González-Tejera, M.J., Hernández-Fuentes, I.

“…Polypyrrole composites electropolymerized on polybibenzoate samples were studied by scanning electron microscopy and dynamic mechanical analysis. The…”
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