Results 11 to 20 of about 8,806 (203)
Frontiers in Chemistry, 2019 Using isocyanate-functionalized Kraft lignin as a reactive macromonomer for the preparation of polyurethane foams by a prepolymer technique is a well-known strategy to incorporate the biomacromolecule into a higher value polymer material.
Mareike Zieglowski +9 more
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Investigations of catalysis of urethane formation using organotin dicarboxylate
Heliyon, 2020 The reaction mechanism of the urethane formation for both aliphatic and aromatic isocyanates in the presence of organotin dicarboxylate as a catalyst is investigated theoretically and experimentally.
Ransi Devendra +2 more
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Journal of Occupational Medicine and Toxicology, 2011 Background Isocyanates are some of the leading occupational causes of respiratory disorders, predominantly asthma. Adequate exposure monitoring may recognize risk factors and help to prevent the onset or aggravation of these aliments.
Lemiere Catherine +4 more
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PECULIARITIES OF ISOCYANATES INTERACTION WITH HYDRAZINE DERIVATIVES
Тонкие химические технологии, 2018 The results of studies on chemical transformations of organic and organosilicon isocyanates in their interaction with hydrazine derivatives have been summarized in this review.
A. D. Kirilin +4 more
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Modeling of Isocyanate Synthesis by the Thermal Decomposition of Carbamates
Computation, 2020 The presented work is devoted to isocyanate synthesis by the thermal decomposition of carbamates model. The work describes the existing isocyanate-obtaining processes and the main problems in the study of isocyanate synthesis by the thermal decomposition
Ratmir Dashkin +7 more
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Nanoencapsulation of blocked isocyanates through aqueous emulsion polymerization
eXPRESS Polymer Letters, 2008 Blocked isocyanates were successfully encapsulated into polystyrene and hydroxyl and amine functionalized polymeric nanospheres via emulsion polymerization.
doaj +1 more source
Beilstein Journal of Organic Chemistry, 2013 A fast and efficient protocol for the synthesis of N,N'-disubstituted urea derivatives from alkyl halides and primary or secondary amines has been developed.
Diego Carnaroglio +5 more
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Molbank, 2020 The synthesis of a wide variety of 3-trifluoromethyl-5,6-dihydro-[1,2,4]triazolo pyrazine derivatives, by the treatment of 3-trifluoromethyl-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-α]pyrazine hydrochloride with an array of isocyanates in the presence of ...
Rajaiah Raveesha +2 more
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Prevalence of respiratory symptoms in automobile spray painters of Mumbai: A cross-sectional study
Indian Journal of Allergy Asthma and Immunology, 2018 Background: Spray painting poses health hazards that affect the respiratory system. During spray painting, workers are exposed to different paint components.
Shweta Kishor Nahar, Mohd Adil Ashraf
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Characterization of Metal Nanoparticles/Polyurethane Foams for Practical Applications
Proceedings, 2023 Polyurethane foam can generally be defined as an expanded cellular product produced by the interaction of active compounds with hydrogen, water and isocyanates [...]
Toma Fistos +8 more
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