Search Results - "Pérez, Ricardo A"
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Tailoring the isothermal crystallization kinetics of isodimorphic poly (butylene succinate-ran-butylene azelate) random copolymers by changing composition
Published in Polymer (Guilford) (21-11-2019)“…A detailed isothermal crystallization study of biobased and biodegradable isodimorphic poly (butylene succinate-ran-butylene azelate) random copolyesters…”
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2
Nucleation and Antinucleation Effects of Functionalized Carbon Nanotubes on Cyclic and Linear Poly(ε-caprolactones)
Published in Macromolecules (10-06-2014)“…Novel nanocomposites were prepared by blending linear or cyclic poly(ε-caprolactones) with two types of chemically modified carbon nanotubes (CNTs). The…”
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Tailoring the Structure, Morphology, and Crystallization of Isodimorphic Poly(butylene succinate-ran-butylene adipate) Random Copolymers by Changing Composition and Thermal History
Published in Macromolecules (24-01-2017)“…Poly(butylene succinate-ran-butylene adipate) random copolymers (PBSA) were prepared by melt polycondensation in a wide composition range. Polarized light…”
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4
Supernucleation and Orientation of Poly(butylene terephthalate) Crystals in Nanocomposites Containing Highly Reduced Graphene Oxide
Published in Macromolecules (12-12-2017)“…The ring-opening polymerization of cyclic butylene terephthalate into poly(butylene terephthalate) (pCBT) in the presence of reduced graphene oxide (RGO) is…”
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How the Aliphatic Glycol Chain Length Determines the Pseudoeutectic Composition in Biodegradable Isodimorphic poly(alkylene succinate-ran-caprolactone) Random Copolyesters
Published in Biomacromolecules (11-11-2024)“…We synthesize four series of novel biodegradable poly(alkylene succinate-ran-caprolactone) random copolyesters using a two-step…”
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Challenging Isodimorphism Concepts: Formation of Three Crystalline Phases in Poly(hexamethylene-ran-octamethylene carbonate) Copolymers
Published in Macromolecules (24-10-2023)“…In this work, poly(hexamethylene-ran-octamethylene carbonate) copolycarbonates were synthesized by melt polycondensation in a wide range of compositions. The…”
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Comparing crystallization rates between linear and cyclic poly(epsilon-caprolactones) via fast-scan chip-calorimeter measurements
Published in Polymer (Guilford) (20-04-2015)“…The vital role of chain ends in the crystallization of linear polymers can be understood by unraveling the mechanisms of crystallization of cyclic polymers. A…”
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Polycaprolactone Adsorption and Nucleation onto Graphite Nanoplates for Highly Flexible, Thermally Conductive, and Thermomechanically Stiff Nanopapers
Published in ACS applied materials & interfaces (15-12-2021)“…Free-standing nanopapers based on graphene and its related materials have been widely studied and proposed for flexible heat spreader applications. Given that…”
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New insights on the crystallization and melting of cyclic PCL chains on the basis of a modified Thomson–Gibbs equation
Published in Polymer (Guilford) (24-01-2013)“…Low polydispersity linear and cyclic poly(ε-caprolactone) with molecular weights of 2–7.5 kg/mol were synthesized. Differences in the morphology of cyclic and…”
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Accelerating the crystallization kinetics of linear polylactides by adding cyclic poly (L-lactide): Nucleation, plasticization and topological effects
Published in International journal of biological macromolecules (01-09-2021)“…Polylactide is one of the most versatile biopolymers, but its slow crystallization limits its temperature usage range. Hence finding ways to enhance it is…”
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Non-monotonic molecular weight dependence of crystallization rates of linear and cyclic poly(epsilon-caprolactone)s in a wide temperature range
Published in Polymer international (01-09-2016)“…By using a commercial fast‐scan chip‐calorimeter, the effect of molecular weight on the isothermal crystallization rates of linear and cyclic…”
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Morphology, Nucleation, and Isothermal Crystallization Kinetics of Poly(ε-caprolactone) Mixed with a Polycarbonate/MWCNTs Masterbatch
Published in Polymers (13-12-2017)“…In this study, nanocomposites were prepared by melt blending poly (ε-caprolactone) (PCL) with a (polycarbonate (PC)/multi-wall carbon nanotubes (MWCNTs))…”
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Morphology, Nucleation, and Isothermal Crystallization Kinetics of Poly(Butylene Succinate) Mixed with a Polycarbonate/MWCNT Masterbatch
Published in Polymers (10-04-2018)“…In this study, nanocomposites were prepared by melt blending poly(butylene succinate) (PBS) with a polycarbonate (PC)/multi-wall carbon nanotubes (MWCNTs)…”
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14
Effect of live weight pre- and post-lambing on milk production of East Friesian sheep
Published in Italian journal of animal science (02-01-2018)“…The study was conducted to analyse the effect of sheep body weight (BW) at mating, mid-pregnancy, lambing, early lactation, mid-lactation and late lactation on…”
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Crystallization of isodimorphic aliphatic random copolyesters: Pseudo-eutectic behavior and double-crystalline materials
Published in European polymer journal (01-04-2018)“…[Display omitted] Isodimorphic random copolyesters are intriguing polymeric materials that can crystallize in their entire composition range, despite the…”
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Nucleating efficiency and thermal stability of industrial non-purified lignins and ultrafine talc in poly(lactic acid) (PLA)
Published in Polymer degradation and stability (01-08-2017)“…Poly(lactic acid) (PLA) with D – lactide content of 1.2 wt% has been modified by melt mixing with 3 wt% of lignin (Kraft or Organosolv). Gel permeation…”
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Crystallization kinetics of polylactide: Reactive plasticization and reprocessing effects
Published in Polymer degradation and stability (01-02-2018)“…This work focused on the determination of crystallization kinetics of neat polylactide (PLA) and a plasticized grade of PLA obtained by reactive extrusion…”
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18
Development of Concentrating Heliostats for High Temperature Solar Chemical Applications
Published in SolarPACES Conference Proceedings (05-01-2024)“…In the present paper, the design, construction, and evaluation of a concentrating spherical heliostat are shown; curved facets were achieved by a mechanical…”
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Crystallization behavior of precision polymers containing azobenzene defects
Published in European polymer journal (01-12-2017)“…[Display omitted] •The crystallization of precision polymers containing (cis- or trans)-azo-benzenes as defects within a polyalkylene-chain is reported.•The…”
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Effects of Hairy Nanoparticles on Polymer Crystallization Kinetics
Published in Macromolecules (10-12-2019)“…We previously showed that nanoparticles (NPs) could be ordered into structures by using the growth rate of polymer crystals as the control variable. In…”
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