Studies on the Reaction of Chloride Polyether Polyol with Dimethyl Phosphite
ZHANG Tian-lin~1,LI Zai-feng~2,JIA Hai-hong~1 (1.Huaihai Institute of Technology,Jiangsu Lianyungang 222005,China; 2.Qingdao University of Science & Technology,Shandong Qingdao 266042,China)
(1.Huaihai Institute of Technology,Jiangsu Lianyungang 222005,China; 2.Qingdao University of Science & Technology,Shandong Qingdao 266042,China
Abstract The flame retardant polyether polyol(HIROL) containing phosphorus was synthesized with dimethyl phosphite and high reactive chloride polyether polyol(CHIRO) which had chloromethyl group in side chain. The effect of process conditions, such as microwave, reactant ratio, catalyst and solvent etc, on the nucleophilic substitution and yield of product were investigated. The results showed that when the content of phosphorus reached 141%—673%, HIROL was a transparent amber liquid whose viscosity was 0359—0668 Pa·s. Then oxygen index of flame retardant soft PU foam composed of HIROL was 226—283 and the other mechanical and technical parameters were in accord with those in GB12080-89.
ZHANG Tian-lin~1,LI Zai-feng~2,JIA Hai-hong~1 .Studies on the Reaction of Chloride Polyether Polyol with Dimethyl Phosphite[J] Chemcial Industry and Engineering, 2004,V21(5): 321-324
2004, Vol. 21 
