ArticlePolymers2022
A Theoretical Study on the Phosgenation of 2,4-Toluenediamine (2,4-TDA).
Article in Polymers, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed.
- Article
- How To Get Isocyanate?ACS omega · 2024Review
- An Ab Initio Investigation on Relevant Oligomerization Reactions of Toluene Diisocyanate (TDI).Polymers · 2022Article
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Authors and funding
5 authors.
Funding
Abstract
Industrially relevant phosgenation mechanisms of 2,4-toluenediamine (2,4-TDA) were investigated using G3MP2B3 model chemistry. Six reaction pathways had been explored, which resulted in the formation of toluene diisocyanate (2,4-TDI) including different scenarios of the 'phosgenations first' and 'consecutive phosgenations' mechanisms in both gas and condensed phases. Two possible 'phosgenations first' mechanisms show superior to the others in terms of energy, regardless of which phases are considered. Due to the o-dichlorobenzene (ODCB) solvation, the reaction barriers are dramatically reduced compared to the gas-phase reaction mechanism and the solvent effect can be described by linear relationship. Standard enthalpy of formation value was also recommended for 2,4-TDA (59.3 kJ/mol) and 2,4-TDI (-94.1 kJ/mol), as well as for the gas-phase intermediates (IM).
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