Solid Liquid Phase Transfer Catalytic Synthesis of Alkyl Phosphoric Dialkyl Ester andTheir Flame Retardancy

Chinese Journal of Applied Chemistry ›› 1997, Vol. 0 ›› Issue (3): 96-98.

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Solid Liquid Phase Transfer Catalytic Synthesis of Alkyl Phosphoric Dialkyl Ester andTheir Flame Retardancy

Wang Xiaomei, Yang Ping, Cai Qinghua, Bao Meng

Department of Applied Chemistry, Shandong Institute of Building Materials, Jinan 250022

Received:1996-08-12 Revised:1997-03-03 Published:1997-06-10 Online:1997-06-10

Abstract

Abstract: Eight alkyl phosphoric dialkyl esters were synthesized by reacting potassium dialkyl phosphite with different halohydrocarbons in the presence of quaternary ammonium salt and KOH. Their structures were identified by IR and NMR. The mixtures of epoxy resin with phosphonates showed a better flame retardancy and plasticization than that with phosphates.

Key words: alkyl phosphoric dialkyl ester, synthesis, phase transfer catalysis, flame retardancy

Wang Xiaomei, Yang Ping, Cai Qinghua, Bao Meng. Solid Liquid Phase Transfer Catalytic Synthesis of Alkyl Phosphoric Dialkyl Ester andTheir Flame Retardancy[J]. Chinese Journal of Applied Chemistry, 1997, 0(3): 96-98.

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Solid Liquid Phase Transfer Catalytic Synthesis of Alkyl Phosphoric Dialkyl Ester andTheir Flame Retardancy

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