Preparation and characterization of tung oil-based flame retardant polyols

Wei Zhou; Puyou Jia; Yonghong Zhou; Meng Zhang

doi:10.1016/j.cjche.2018.03.011

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Preparation and characterization of tung oil-based flame retardant polyols

Materials and Product Engineering | Updated：2026-01-06

- Preparation and characterization of tung oil-based flame retardant polyols
- Chinese Journal of Chemical Engineering Vol. 26, Issue 12, Pages: 2664-2671(2018)
- Affiliations：
  
  1. 2 National Engineering Lab for Biomass Chemical Utilization,Nanjing,China,210042
  2. 3 Key Lab of Forest Chemical Engineering, SFA,Nanjing,China,210042
  3. 4 Key Lab of Biomass Energy and Material,Nanjing,China,210042
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2018.03.011
  CLC：
- Published：2018
- Accepted：
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Wei Zhou, Puyou Jia, Yonghong Zhou, Meng Zhang. Preparation and characterization of tung oil-based flame retardant polyols[J]. Chin.J.Chem.Eng., 2018, 26(12): 2664-2671.
DOI：

Wei Zhou, Puyou Jia, Yonghong Zhou, Meng Zhang. Preparation and characterization of tung oil-based flame retardant polyols[J]. Chin.J.Chem.Eng., 2018, 26(12): 2664-2671. DOI： 10.1016/j.cjche.2018.03.011.

摘要

Abstract

Three kinds of tung oil-based structural flame retardants polyols (TOFPs) were prepared by new methods in this paper. First

tung oil was used to produce monoglyceride and diglyceride by transesterification with glycerol by sodium methoxide. The products after transesterification were epoxidized by peracetic acid which was in-situ generated from acetic acid and hydrogen peroxide in the presence of sulfuric acid catalyst. And then

TOFPs were prepared from epoxidized alcoholysis tung oil (EGTO) with 9

10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO)

diethyl phosphate (DEP) and diethanolamine (DEA) by ring-opening reactions

respectively. GPC was used to evaluate the conversion rate

at optimum reaction conditions

selectivity for monoglyceride in transesterification. The influence of different parameters such as temperature

mole ratio or mass ratio on the conversion rate of transesterification and epoxidation were investigated. The molecular structures of TOFPs were characterized by FTIR and

HNMR. Finally

tung oil-based polyurethane foams (TOPUFs) were prepared by a one-shot process using TOFPs with polyisocyanate. The LOI values of TOPUFs whose content of DOPO-EGTO

DEP-EGTO and DEA-EGTO were

100 wt% can reach to 26.2%

25.1%

and 24.4%

respectively.

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