Search Results - "Valentín, Juan L"
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Response of water-biochar interactions to physical and biochemical aging
Published in Chemosphere (Oxford) (01-11-2022)“…Biochar aging may affect the interactions of biochar with water and thus its performance as soil amendment; yet the specific mechanisms underlying these…”
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New insight into structure-property relationships of natural rubber and styrene-butadiene rubber nanocomposites filled with MWCNT
Published in Polymer (Guilford) (26-06-2020)“…The outstanding properties of carbon nanotubes (CNT) have generated a lot of interest at a scientist and industrial level. CNT have attracted great attention…”
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Revisiting Segmental Order: A Simplified Approach for Sulfur-Cured Rubbers Considering Junction Fluctuations and Entanglements
Published in Macromolecules (13-03-2018)“…The use of modern multiple-quantum proton NMR experiments for the determination of cross-link density requires precise knowledge of several model-dependent…”
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From Nanoscale to Macroscale Characterization of Sulfur-Modified Oxidized Carbon Nanotubes in Styrene Butadiene Rubber Compounds
Published in ACS omega (23-07-2024)“…The homogeneous dispersion of carbon nanotubes (CNTs) in a rubber matrix is a key factor limiting their amazing potential. CNTs tend to agglomerate into…”
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Introducing “MEW2” Software: A Tool to Analyze MQ-NMR Experiments for Elastomers
Published in Polymers (01-10-2023)“…Low-field time-domain proton Nuclear Magnetic Resonance (NMR) spectroscopy is an attractive and powerful tool for studying the structure and dynamics of…”
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Biodegradable Poly(ester–urethane–amide)s Based on Poly(ε-caprolactone) and Diamide–Diol Chain Extenders with Crystalline Hard Segments. Synthesis and Characterization
Published in Macromolecules (11-09-2012)“…Twenty seven poly(ester–urethane–amide)s (PEUAs) were synthesized from the reaction of α,ω-telechelic poly(ε-caprolactone) diols, 1,6-hexamethylene…”
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Sulfur-Modified Carbon Nanotubes for the Development of Advanced Elastomeric Materials
Published in Polymers (07-03-2021)“…The outstanding properties of carbon nanotubes (CNTs) present some limitations when introduced into rubber matrices, especially when these nano-particles are…”
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Study on peroxide vulcanization thermodynamics of ethylene-vinyl acetate copolymer rubber using 2,2,6,6,-tetramethylpiperidinyloxyl nitroxide
Published in Polymer international (01-06-2013)“…A step forward in the understanding of rubber vulcanization with organic peroxides is provided by combining a proper arrangement between polymer, vulcanizing…”
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New Silica/Polymer Coupling by the Use of Cation–π Interactions
Published in Industrial & engineering chemistry research (28-02-2024)“…Silica-filled styrene–butadiene rubber (SBR) compounds are state-of-the-art materials to produce tire treads. This is based on their good dynamic mechanical…”
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Influence of the vulcanization system on the dynamics and structure of natural rubber: Comparative study by means of broadband dielectric spectroscopy and solid-state NMR spectroscopy
Published in European polymer journal (01-07-2015)“…[Display omitted] •NR dynamics is affected by crosslinks and inhomogeneities at different length scale.•Sulfur systems feature restricted segmental dynamics…”
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Shape-Memory Composites Based on Ionic Elastomers
Published in Polymers (18-03-2022)“…Shape-memory polymers tend to present rigid behavior at ambient temperature, being unable to deform in this state. To obtain soft shape-memory elastomers,…”
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Crosslinked networks in electron beam irradiated polyethylenes evaluated by proton low-field NMR spectroscopy
Published in Radiation physics and chemistry (Oxford, England : 1993) (01-03-2023)“…Effect of electron beam (EB) irradiation is analyzed in low and high density polyethylenes (LDPE and HDPE, respectively) at different doses. Parameters as…”
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Obtention of biocompatible hydrogels containing PEGs/silicon fatty blocks with potential use as A controlled release system
Published in Reactive & functional polymers (01-04-2022)“…Novel crosslinked polyesters were designed to obtain hydrogels friendly with the environment and able to display potential biologic applications. Through…”
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Chain Dynamics and Strain-Induced Crystallization of Pre- and Postvulcanized Natural Rubber Latex Using Proton Multiple Quantum NMR and Uniaxial Deformation by in Situ Synchrotron X‑ray Diffraction
Published in Macromolecules (28-08-2012)“…The structural development and morphology in unvulcanized and vulcanized (both pre- and postvulcanized) natural rubber latex were studied in a relaxed state…”
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Novel Approach of Evaluating Polymer Nanocomposite Structure by Measurements of the Freezing-Point Depression
Published in Macromolecular rapid communications. (21-07-2004)“…A novel experimental approach based on the freezing‐point depression of a solvent in a swollen gel has been developed to characterize the structure of…”
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Poly(2,6-dimethyl-1,4-phenylene oxide) mixed matrix pervaporation membranes
Published in Desalination (20-11-2006)Get full text
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