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Citation: ZHANG Tian-Lin, ZHANG Shu-Ji, JIA Zhen. Synthesis of High Reactive Flame Retardant Polyether Polyol[J]. Chinese Journal of Applied Chemistry, ;2004, 21(3): 301-304. shu

Synthesis of High Reactive Flame Retardant Polyether Polyol

1.
Chemical Engineering Department, HuaiHai Institute of Technology, Lianyungang 222005

Corresponding author: ZHANG Tian-Lin,
Received Date: 22 March 2003
Available Online: 12 December 2003
Fund Project: 江苏省"青蓝工程"资助项目(QK200200104) (QK200200104)

The high reactive flame retardant polyether polyol(HIROL) for polyurethane resin was synthesized by copolymerization of epoxy propane(EP), oxirane(EO), pentabromophenyl glycidyl ether(PBPGE) and glycerol, using BF₃·THF as catalyst. The effects of catalyst dosage, reagent ratio, feeding mode and copolymerization time on the physical property and product yield were examined. The results indicated that the oxygen index of soft PU foam containing 23%(mass) HIROL reached 28.5, when the mole ratio of EO:EP:PBPGE was 2:7:1 in HIROL preparation and increased to 32, when additional 6%(mass) dimethyl methyl phosphonate(DMMP) was compounded in PU foam.
- flame retardant polyether polyol,
- pentabromophenyl glycidyl ether,
- flame retardant soft PU foam,
- synthesis
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