Results 61 to 70 of about 132,199 (256)

Reseñas [PDF]

open access: yes, 2014
Index de l'obra ressenyada: Xavier CALVÓ-MONREAL, Polímeros e instrumentos. De la química a la biología molecular en Barcelona (1958-1977).
Romero de Pablos, Ana
core  

Nitrogen‐Rich, Tröger's Base‐Linked Porous Organic Polymers (POPs) as Heterogeneous Catalysts and Adsorbents of Organic Pollutants From Water

open access: yesJournal of Applied Polymer Science, Volume 143, Issue 3, January 15, 2026.
Synthesized Tröger's based POPs showed great versatility in heterogeneous catalysis reactions and for pollutant adsorption. ABSTRACT Porous organic polymers are a new class of polymeric materials that combine permanent porosity, high surface area, monomer diversity, and synthetic tunability, making them highly promising candidates for application in ...
Tiago F. Machado   +4 more
wiley   +1 more source

INCLUSIÓN DE COMPUESTOS QUÍMICOS EN MATRICES POLIMÉRICAS DE QUITOSANO Y SU EFECTO EN LAS PROPIEDADES DE PELÍCULA

open access: yesVitae, 2014
Antecedentes: El quitosano es un polisacárido biodegradable producido a partir de la quitina que se extrae de residuos provenientes de la industria pesquera.
William Albarracín-Hernández   +1 more
doaj   +2 more sources

Dissolução de cimentos endodônticos resinosos por solventes orgânicos em diferentes intervalos de tempo

open access: yesRevista da Faculdade de Odontologia de Porto Alegre, 2013
Objetivo: O objetivo deste estudo foi investigar se o tempo de exposição dos cimentos endodônticos resinosos à solventes orgânicos afeta sua solubilidade.
Anielle Pinheiro Schönhofen   +5 more
doaj   +1 more source

Polímeros con propiedades redox. Aplicaciones en medicina [PDF]

open access: yes, 2019
Los polímeros redox son macromoléculas electroactivas con grupos que pueden ser oxidados (pierden electrones) o reducidos (ganan electrones). Esta reacción de oxidación- reducción de los polímeros es la responsable del mecanismo de acción: posibilidad
Gálvez Domínguez, Carmen
core  

Identificación de polímeros por espectroscopía infrarroja

open access: yes, 2018
Polymers are one of the most used materials nowadays. Given their properties, the human being has made of them part of most of the objects of daily life.
Javier Ricardo Velandia Cabra
semanticscholar   +1 more source

Integration of Polymer‐Based Phase Change Materials Into Building Walls in the Hot Region of Algeria

open access: yesSPE Polymers, Volume 7, Issue 1, January 2026.
Schematic illustration of the integration of polymer‐based phase change materials (PEG/diatomite, PEG‐1000, and fatty‐acid polyurethane) into multilayer building walls in the hot region of Algeria, showing their optimal placement near the exterior wall to absorb daytime heat, delay heat transfer, and reduce indoor temperature fluctuations, thereby ...
Houssem Goudjil   +5 more
wiley   +1 more source

Caracterización de asfaltos modificados con diferentes aditivos

open access: yesIngeniería, 2011
El uso de asfaltos modificados en la construcción de pavimentos flexibles se ha extendido a nivel mundial como respuesta a condiciones más severas durante su vida útil y buscando un mejor desempeño que permita prolongar su duración.
Fabián Elizondo Arrieta   +2 more
doaj   +1 more source

Preparación de polímeros auto-ensamblables. Nanopartículas micelares [PDF]

open access: yes, 2016
Actualmente existen numerosas enfermedades que ponen en peligro la salud de la población y en paralelo, han entrado en juego distintas estrategias terapéuticas para combatirlas.
Iglesias Blanco, Nieves
core  

Analysis of Methyl Substitution in Phenolic Compounds as Potential Biofuel Additives: From Solid‐State Description to Antioxidant Potential

open access: yesChemistrySelect, Volume 11, Issue 2, 15 January 2026.
The rising demand for renewable energy points to biodiesel as a viable fossil fuel alternative, yet its limited oxidative stability remains a challenge. This study reveals that methyl‐substituted hydroquinone derivatives exhibit enhanced antioxidant capacity, suggesting their promise as biofuel additives.
João P. M. Rodrigues   +5 more
wiley   +1 more source

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