Wong, Shaio Wen published the artcileCatalysis in competing isocyanate reactions, COA of Formula: C7H18N2O, the main research area is phenyl isocyanate butanol esterification kinetics; dipropylenetriamine catalyst isocyanate butanol esterification; organotin catalyst isocyanate butanol esterification; amine catalyst isocyanate butanol esterification.
The effects of various organotin and tertiary amine catalysts on the product distributions in the esterification of Ph isocyanate (I) [103-71-9] with n-BuOH (II) [71-36-3] as model reaction for the preparation of polyurethanes were determined The esterification in the presence of N,N,N’,N’,N”-pentamethyldipropylenetriamine (III) [66537-05-1] catalyst in MeCN at 50° was first order with respect to I and III concentrations and half order with respect to II concentration with an apparent activation energy of 22.9 kcal/mol. Tri-Ph isocyanurate (IV) [1785-02-0], Bu phenylcarbamate [1538-74-5], and Bu α,γ-diphenylallophanate [21367-12-4] were formed by the reaction with IV being the major reaction product. The presence of H2O delayed the reaction rate and inhibited the formation of IV.
Polimeri (Zagreb, Croatia) published new progress about Cyclization. 2212-32-0 belongs to class alcohols-buliding-blocks, name is N2-(2-Hydroxyethyl)-N1,N1,N2-trimethyl-1,2-ethylenediamine, and the molecular formula is C7H18N2O, COA of Formula: C7H18N2O.
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