Synthesis, Characterization and Application of O, O-diethyl Acrylamide Phosphate


  •  Aibing Jiang    
  •  Bowen Cheng    
  •  Yuanlin Ren    
  •  Zhenhuan Li    

Abstract

Taking acrylamide and diethyl chlorophosphate as the reactants, we synthesized a sort of new intumescent flame retardant
(IFR) containing phosphorus and nitrogen, O,O-diethyl acrylamide phosphonate. The structure of the title compound
could be characterized by FTIR, 1H NMR and MS. The results show that the structure of the synthesized compound is
consistent with the expected structure. The yield of the title compound is 75% under the conditions that the molar ratio
between acid-binding agents of triethylamine and acrylamide is 1:1 and the mass fraction of the catalys CuCl is 1% of
acrylamide. The optimal reaction temperature range is from 20 centi degree to 30 centi degree. The limiting oxygen index (LOI) value can
reach 26.7% when the mass fraction of the title compound in the copolymer is 20%. The scanning electron microscopy
(SEM) photos of the fired residue of the flame retarded copolymer show that the surface of the fired residue presents
foam-like structure, and the cross section presents cellular structure, which indicate that the title compound is the
intumescent flame retardant.


This work is licensed under a Creative Commons Attribution 4.0 License.
  • Issn(Print): 1916-9698
  • Issn(Onlne): 1916-9701
  • Started: 2009
  • Frequency: semiannual

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