qingdao university of science and technology bi rongshan s team has made new progress in the research on the new process of atomization-assisted phosgenation to synthesize tdi
toluene diisocyanate (tdi) is the basic raw material for the production of polyurethane, mainly used in the production of flexible polyurethane foam and polyurethane elastomers, coatings, adhesives, etc., and is a widely used key chemical raw material . at present, the most advanced production process of tdi is synthesized by gas-phase phosgenation of toluene diamine…

