Bechara, I. S. published the artcileUnusual catalysts for flexible urethane foams, Name: N2-(2-Hydroxyethyl)-N1,N1,N2-trimethyl-1,2-ethylenediamine, the main research area is polyurethane foam hydroxyethylethylenediamine catalyst; ethanolamine aminoethyl polyurethane catalyst.
Dabco T [trimethyl(hydroxyethyl)ethylenediamine] [2212-32-0] type catalysts are unusual in that they are able to promote allophanate and isocyanurate formation, depending upon the concentration of NCO groups. They are also unique among tertiary amines in their ability to equalize the rate of urea and urethane formation. When used as cocatalysts, they provide good indentation load deflection (ILD) and compression set. Too high a catalyst concentration will increase the ILD and resiliency while adversely affecting compression set due to excessive allophanate and biuret formation. When flexible foams are made using these catalysts, optimum properties are obtained at NCO index of 105-16, and tin (cocatalyst) level as low as possible.
Journal of Cellular Plastics published new progress about Polyurethanes Role: SPN (Synthetic Preparation), PREP (Preparation). 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, Name: N2-(2-Hydroxyethyl)-N1,N1,N2-trimethyl-1,2-ethylenediamine.
Referemce:
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