José Ignácio Velasco

ORCID: 0000-0003-0331-5270
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About
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Research Areas
  • Polymer Foaming and Composites
  • biodegradable polymer synthesis and properties
  • Polymer Nanocomposites and Properties
  • Polymer crystallization and properties
  • Flame retardant materials and properties
  • Natural Fiber Reinforced Composites
  • Polymer composites and self-healing
  • Mechanical Behavior of Composites
  • Nanocomposite Films for Food Packaging
  • Fiber-reinforced polymer composites
  • Tribology and Wear Analysis
  • Supercapacitor Materials and Fabrication
  • Carbon dioxide utilization in catalysis
  • Injection Molding Process and Properties
  • Silicone and Siloxane Chemistry
  • Carbon Nanotubes in Composites
  • Electromagnetic wave absorption materials
  • Cellular and Composite Structures
  • Layered Double Hydroxides Synthesis and Applications
  • Agricultural and Food Sciences
  • Electrospun Nanofibers in Biomedical Applications
  • Composite Material Mechanics
  • Postharvest Quality and Shelf Life Management
  • Advanced Polymer Synthesis and Characterization
  • Thermal and Kinetic Analysis

Universitat Politècnica de Catalunya
2015-2025

University of Carabobo
2021

Advocate Christ Medical Center
2019

University of Illinois Chicago
2019

Universidad Peruana Cayetano Heredia
2015

Sociedad Andaluza de Medicina Familiar y Comunitaria
2011

Bolivarian University of Venezuela
2008

Hospital General Universitario De Valencia
1993-2004

Universidad Nacional Autónoma de México
2002

10.1016/j.progpolymsci.2013.11.002 article EN Progress in Polymer Science 2013-11-08

Talc-filled polypropylene (PP) composites were prepared by extrusion in a wide composition range (0–40 wt %). To improve the affinity relation between talc and PP matrix, we modified surface with silane coupling agents. Differential scanning calorimetry investigations on test samples, injection moulding, revealed that content its modification had pronounced effect crystallization behavior of filled composites. The experimental results indicate concentration 2 % strongly affects nonisothermal...

10.1002/(sici)1097-4628(19960705)61:1<125::aid-app14>3.0.co;2-6 article EN Journal of Applied Polymer Science 1996-07-05

The fracture behaviour of polymers is strongly affected by the addition rigid particles. Several features particles have a decisive influence on values toughness: shape and size, chemical nature, surface concentration volume, orientation. Among those thermoplastic matrix, polypropylene (PP) composites are most industrially employed for many different application fields. Here, review PP-based particulate carried out, considering basic topics experimental techniques Fracture Mechanics,...

10.3390/ma2042046 article EN Materials 2009-11-30

Red propolis is an active ingredient of great nutritional interest which offers numerous benefits as antioxidant and antimicrobial agent. Thus, the objective this research was to evaluate application edible gelatine coating containing red increase shelf life grapes. Gelatine films with addition 5, 10, 15, 20 25% extract were produced their activity using disk diffusion test in solid media. The showed against bacteria Staphylococcus aureus Pseudomonas aeruginosa. grapes coated pure gelatine,...

10.3390/polym16070888 article EN Polymers 2024-03-24

Foams based on polyetherimide (PEI) with carbon nanotubes (CNT) and PEI graphene nanoplatelets (GnP) combined CNT were prepared by water vapor induced phase separation. Prior to foaming, variable amounts of only (0.1⁻2.0 wt %) or a combination GnP (0.0⁻2.0 for total amount CNT-GnP 2.0 %, dispersed in solvent using high power sonication, added the solution, intensively mixed. While addition increasingly higher led foams more heterogeneous cellular structures, incorporation resulted finer...

10.3390/polym10040348 article EN Polymers 2018-03-21

Abstract Recycled PET/organoclay nanocomposites were prepared by melt intercalation process with several amounts (1, 3, and 5 wt %) of clay modified quaternary ammonium salt (DELLITE 67G) dispersed in a recycled poly(ethylene terephthalate) (rPET) matrix. The resultant mechanical properties (modulus yield strength) the found to be different from those rPET. Wide angle X‐ray scattering (WAXS) Transmission Electron Microscopy (TEM) measurements have shown that although complete exfoliation was...

10.1002/app.25836 article EN Journal of Applied Polymer Science 2007-02-26
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