Results 81 to 90 of about 13,053 (263)
Aerosols of Isocyanates, Amines and Anhydrides : Sampling and Analysis [PDF]
, 2007 This thesis presents methods for air sampling and determination of isocyanates, amines, aminoisocyanates and anhydrides. These organic compounds are generated during thermal degradation of polymers such as polyurethane (PUR) or epoxy. Isocyanates, amines
Dahlin, Jakob
core
Solid-state Synthesis of 1-Ethoxycarbonyl-4-substituted-semicarbazides
Molecules, 2003 A rapid and simple method for the preparation of 1-ethoxycarbonyl-4-substituted-semicarbazides has been developed. As examples the reaction of six different isocyanates with ethyl carbazate under solvent-free conditions are reported.
Hedayat A. Taghizadeh +2 more
doaj +1 more source
Learning Strategies from Nature's Blueprint to Cyclic Carbonate Synthesis
ChemSusChem, Volume 18, Issue 6, March 15, 2025.The development of sustainable synthetic methods for cyclic carbonates draws inspiration from nature, focusing on eco‐friendly processes and renewable resources like CO2 and biomass. This review explore various CO2 activation mechanisms, green chemistry principles, and green catalysts.
Erika Saccullo +4 more
wiley +1 more source
Isocyanates and Amines – Sampling and Analytical Procedures [Elektronisk resurs] [PDF]
, 2004 This thesis covers sampling and analytical procedures for isocyanates (R-NCO) and amines (R-NH2), two kinds of chemicals frequently used in association with the polymeric material polyurethane (PUR).
Karlsson, Daniel +4 more
core
A Novel MCR of Isocyanates, Aldehydes, and Dienophiles [PDF]
, 2016 A novel one-pot procedure for the three-component coupling reaction of isocyanates, aldehydes, and dienophiles (IAD reaction) has been developed. Condensation of isocyanates and aldehydes and subsequent Diels−Alder reactions with electron-deficient ...
Helfried Neumann (1859482) +4 more
core +1 more source
EcoEnergy, EarlyView.This review provides a critical comparative analysis of circular and bio‐sourced polymers for energy storage, systematically evaluating natural feedstocks alongside recycling and upcycling strategies for battery components. Key structure–property–performance relationships and inherent trade‐offs between sustainability metrics and electrochemical ...
Priyank Sinha +3 more
wiley +1 more source
Catalytic Annulation of Epoxides with Heterocumulenes by the Indium-Tin System
Molecules, 2018 In the synthesis of five-membered heterocycles by the annulation of epoxides with heterocumulenes such as carbon dioxide and isocyanates, we developed the indium-tin catalytic system and synthesized various cyclic adducts including novel types products ...
Itaru Suzuki +3 more
doaj +1 more source
Nonthermal Plasma–Enabled Cascade N2 Activation and Electroreduction
EcoEnergy, EarlyView.Integrating plasma‐assisted NOx synthesis with subsequent electrochemical reduction enables the sustainable synthesis of high‐value N‐containing chemicals under ambient conditions. ABSTRACT The development of sustainable nitrogen fixation technologies operating under ambient conditions is critical for reducing the energy intensity and carbon footprint ...
Shijia Li, Wei Gao, Ziyun Wang
wiley +1 more source
Les isocyanates en milieu de travail : évaluation et prévention [PDF]
, 2013 Animé par Simon Aubin et Brigitte Roberge, professionnels scientifiques à l’IRSST, ce webinaire, tenu le 2 octobre 2013, visait trois objectifs : 1) connaître les principaux isocyanates, leurs propriétés, leurs utilisations en milieu de travail, leurs ...
Roberge, Brigitte, Aubin, Simon
core