Search Results - "Leon, Judith"

PMMA stability under hydrothermal conditions by Fernández, Ana, Redondo, Aránzazu, Martín-de-León, Judith, Cantero, Danilo

“…PMMA is a synthetic polymer of methyl methacrylate. PMMA is used widely in many applications and the interest in their physicochemical properties is growing…”
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Low-density PMMA/MAM nanocellular polymers using low MAM contents: Production and characterization by Bernardo, Victoria, Martin-de Leon, Judith, Pinto, Javier, Catelani, Tiziano, Athanassiou, Athanassia, Rodriguez-Perez, Miguel Angel

“…Low-density nanocellular polymers are required to take advantage of the full potential of these materials as high efficient thermal insulators. However, their…”
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Understanding the role of MAM molecular weight in the production of PMMA/MAM nanocellular polymers by Bernardo, Victoria, Martin-de Leon, Judith, Laguna-Gutierrez, Ester, Catelani, Tiziano, Pinto, Javier, Athanassiou, Athanassia, Rodriguez-Perez, Miguel Angel

“…Nanostructured polymer blends with CO2-philic domains can be used to produce nanocellular materials with controlled nucleation. It is well known that this…”
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Micronization as a solution for enhancing the thermal insulation of nanocellular poly(methyl-methacrylate) (PMMA) by Sánchez-Calderón, Ismael, Bernardo, Victoria, Cuadra-Rodríguez, Daniel, Martín-de-León, Judith, Rodríguez-Pérez, Miguel Ángel

“…This work shows a route to reduce the thermal conductivity of nanocellular poly(methyl-methacrylate) (PMMA). This approach is based on micronizing to replace…”
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Evaluation of methods to accurately characterize the thermal conductivity of micro-and nanocellular polymers based on poly(methyl-methacrylate) (PMMA) produced at lab-scale by Sánchez-Calderón, Ismael, Sillero, Ángel, Lizalde-Arroyo, Félix, Bernardo, Victoria, Martín-de-León, Judith, Rodríguez-Pérez, Miguel Ángel

“…The characterization of the thermal conductivity of new and enhanced thermal insulators developed at lab-scale is a challenge. The small dimensions of the…”
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Mechanical Properties of PMMA‐Sepiolite Nanocellular Materials with a Bimodal Cellular Structure by Bernardo, Victoria, Loock, Frederik, Martin‐de Leon, Judith, Fleck, Norman A., Rodriguez‐Perez, Miguel Angel

“…Bimodal cellular poly(methyl methacrylate) with micro‐ and nano‐sized (300–500 nm) cells with up to 5 wt% of sepiolite nanoparticles and porosity from 50% to…”
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Anisotropy in nanocellular polymers promoted by the addition of needle‐like sepiolites by Bernardo, Victoria, Martin‐de Leon, Judith, Rodriguez‐Perez, Miguel Angel

“…This work presents a new strategy for obtaining nanocellular materials with high anisotropy ratios by means of the addition of needle‐like nanoparticles…”
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Nanocellular Polymers with a Gradient Cellular Structure Based on Poly(methyl methacrylate)/Thermoplastic Polyurethane Blends Produced by Gas Dissolution Foaming by Bernardo, Victoria, Martin‐de Leon, Judith, Sanchez‐Calderon, Ismael, Laguna‐Gutierrez, Ester, Rodriguez‐Perez, Miguel Angel

“…Graded structures and nanocellular polymers are two examples of advanced cellular morphologies. In this work, a methodology to obtain low‐density graded…”
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Development of new vacuum insulation core panels using micronized nanocellular poly(methyl-methacrylate) (PMMA) by Sánchez-Calderón, Ismael, Bernardo, Victoria, Lizalde-Arroyo, Félix, Martín-de-León, Judith, Rodríguez-Pérez, Miguel Ángel

“…•Production of self-standing compacted panels based on micronized microcellular and nanocellular poly(methyl-methacrylate) (PMMA).•The compacted materials are…”
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Botulinum Toxin Type A Neuromuscular Blockade in the Treatment of Lower Extremity Spasticity in Cerebral Palsy: A Randomized, Double-Blind, Placebo-Controlled Trial by Koman, L Andrew, Mooney, James F, Smith, Beth Paterson, Walker, Francis, Leon, Judith M

“…SUMMARYIncreased gastrocnemius/soleus muscle tone in children with cerebral palsy may cause an equinus of the ankle. Botulinum toxin type A (BTX), a…”
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Key Production Parameters to Obtain Transparent Nanocellular PMMA by Martín‐de León, Judith, Bernardo, Victoria, Rodríguez‐Pérez, Miguel Ángel

“…Transparent nanocellular polymethylmethacrylate (PMMA) with relative density around 0.4 is produced for the first time by using the gas dissolution foaming…”
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Transparent nanocellular PMMA: Characterization and modeling of the optical properties by Martín-de León, Judith, Pura, Jose Luis, Bernardo, Victoria, Rodríguez-Pérez, Miguel Ángel

“…In this work, the optical properties of transparent nanocellular polymethylmethacrylate (PMMA) have been studied, experimental and theoretically. Transmittance…”
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Thermal conductivity of low-density micro-and nanocellular poly(methyl-methacrylate) (PMMA): Experimental and modeling by Sánchez-Calderón, Ismael, Bernardo, Victoria, Martín-de-León, Judith, Rodríguez-Pérez, Miguel Ángel

“…[Display omitted] •Measurement and semi-empirical modeling of the thermal conductivity of low-density micro-and nanocellular poly(methyl-methacrylate)…”
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The influence of cell size on the mechanical properties of nanocellular PMMA by Martín-de León, Judith, Van Loock, Frederik, Bernardo, Victoria, Fleck, Norman A., Rodríguez-Pérez, Miguel Ángel

“…Solid-state foaming experiments are conducted on three grades of polymethyl methacrylate (PMMA). Nanocellular PMMA foams are manufactured with an average cell…”
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Novel approach based on autoclave bead foaming to produce expanded polycarbonate (EPC) bead foams with microcellular structure and controlled crystallinity by Sánchez-Calderón, Ismael, Bernardo, Victoria, Martín-de-León, Judith, Rodríguez-Pérez, Miguel Ángel

“…[Display omitted] •Autoclave bead foaming methodology to produce expanded polycarbonate bead foams.•The density of the expanded polycarbonate beads can be…”
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Two‐Stage Depressurization in Gas Dissolution Foaming: The Production of Nanocellular Materials Free of Defects by Martín‐de León, Judith, Bernardo, Victoria, Rodríguez‐Pérez, Miguel Ángel

“…Nanocellular polymethylmethacrylate (PMMA) is produced through a newly proposed method, a two‐stage depressurization in the gas dissolution foaming process…”
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Influence of the viscosity of poly(methyl methacrylate) on the cellular structure of nanocellular materials by León, Judith Martín‐de, Bernardo, Victoria, Laguna‐Gutiérrez, Ester, Rodríguez‐Pérez, Miguel Ángel

“…Three different grades of poly(methyl methacrylate) (PMMA) with different rheological properties are used for the production of nanocellular materials using…”
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PMMA-sepiolite nanocomposites as new promising materials for the production of nanocellular polymers by Bernardo, Victoria, Martín-de León, Judith, Laguna-Gutiérrez, Ester, Rodríguez-Pérez, Miguel Ángel

“…[Display omitted] •Nanocellular polymers based on nanocomposites of PMMA and sepiolites were produced.•Cellular structures are bimodal, being the nanometric…”
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Production of PMMA-based nanocellular polymers using low demanding saturation conditions by Bernardo, Victoria, Martín-de León, Judith, Rodríguez-Pérez, Miguel Ángel

“…[Display omitted] •Nanocellular polymers are produced by gas dissolution foaming at mild conditions.•Low pressure (6 MPa) and room temperature are used as…”
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Nanocellular Polymers: The Challenge of Creating Cells in the Nanoscale by Martín-de León, Judith, Bernardo, Victoria, Rodríguez-Pérez, Miguel Ángel

“…The evolution of technology means that increasingly better materials are needed. It is well known that as a result of their interesting properties,…”
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