Results 11 to 20 of about 57,276 (400)
Molecules, 2019 Nanocellulose has been subjected to a wide range of chemical modifications towards increasing its potential in certain fields of interest. These modifications either modulated the chemistry of the nanocellulose itself or introduced certain functional ...
Hatem Abushammala, Jia Mao
doaj +2 more sources
Iron(II) catalyzed hydrophosphination of isocyanates [PDF]
Angewandte Chemie, 2017 The first transition metal catalyzed hydrophosphination of isocyanates is presented. The use of low-coordinate iron(II) precatalysts leads to an unprecedented catalytic double insertion of isocyanates into the P-H bond of diphenylphosphine to yield ...
Blake, Alexander J. +4 more
core +3 more sources
Cyclotrimerisation of isocyanates catalysed by low-coordinate Mn(II) and Fe(II) m-terphenyl complexes [PDF]
Chemical Communications, 2016 Two- and three-coordinate m-terphenyl complexes of manganese and iron are efficient catalysts for the selective cyclotrimerisation of primary aliphatic isocyanates affording isocyanurates in short reaction times and under mild ...
Blake, Alexander J. +6 more
core +4 more sources
Fully Bio-Based Thermosetting Polyurethanes from Bio-Based Polyols and Isocyanates
Polymers, 2021 The trend towards the utilization of bioresources for the manufacturing of polymers has led industry players to bring to the market new monomers. In this work, we studied 3 polyisocyanates and 2 polyols with high renewable carbon contents, namely L ...
Roberto Morales-Cerrada +2 more
semanticscholar +1 more source
Recent advances in compatibilization strategies of wood-polymer composites by isocyanates
Wood Science and Technology, 2020 Wood-polymer composites technologies are gaining more and more attention in the scientific community, positively affecting the increase in their industrial applications, for example, automotive, building, 3D printing, etc. Many research works are focused
A. Hejna +5 more
semanticscholar +1 more source
Journal of the American Chemical Society, 2020 Aryl isocyanates are introduced as comonomers for ring opening copolymerization (ROCOP) with epoxides. Informed by studies of reaction kinetics, we show that divergent sequence selectivity for AB- and ABB-type copolymers can be achieved with a single ...
Mark Jurrat +4 more
semanticscholar +1 more source
Beilstein Journal of Organic Chemistry, 2022 An economical and versatile protocol for the one-pot synthesis of monomethylamines by reduction of N-substituted carbonylimidazoles with NaBH4/I2 in THF at reflux temperature is described. This method used no special catalyst and various monomethylamines
Lin Chen +5 more
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Isocyanates as Precursors to Biomedical Polyurethanes
Chemical Engineering Transactions, 2014 This work is a review of the main chemical properties of aliphatic and aromatic isocyanates and their advantages and disadvantages when used as precursors for polyurethane (PU) synthesis, to be applied as biomedical polyurethanes.
L. Gabriel +4 more
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eXPRESS Polymer Letters, 2017 Presented research shows the results of a study on mechanical properties of materials obtained in the course of innovatory application of epoxidized vegetable oil in the synthesis of new bio-based epoxy resins, crosslinked with curing agents which are ...
A. Sienkiewicz, P. Czub
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Allergology International, 2005 Background: : Isocyanates have become one of the most important causes of occupational asthma in industrialized countries. Increased exhaled nitric oxide (eNO) levels have been shown to be associated with allergic airway inflammation.
Xaver Baur, Luba Barbinova
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