preparation and application of diphenylphosphinic acid chloride_kain industrial additive
background and overview[1] diphenylphosphinic acid chloride can be used to prepare composite retarding water-reducing agents for concrete, flame retardants diphenylphosphinic acid-n-cage phosphate ester amine compounds, etc. it can be prepared from diphenylphosphine chloride and preparation by trifluoromethanesulfonic acid reaction. preparation[1] put 27.8g triphenylphosphine oxide, 88.2g diphenylphosphine chloride (the mass ratio of the two is 1:3.17),…
