蓖麻油基阻燃多元醇的合成及在聚氨酯泡沫中的应用

doi:10.3969/j.issn.0253-2417.2014.04.011

Chemistry and Industry of Forest Products ›› 2014, Vol. 34 ›› Issue (4): 66-70.doi: 10.3969/j.issn.0253-2417.2014.04.011

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Synthesis of Castor Oil-based Flame Retardant Polyols and Its Applicaition in Polyurethane Foams

ZHANG Li-qiang¹, ZHANG Meng^1,2, ZHOU Yong-hong^1,2, HU Li-hong^1,2, YANG Xiao-hui^1,2

1. Institute of Chemical Industry of Forest Products, CAF;National Engineering Lab. for Biomass Chemical Utilization;Key and Open Lab. of Forest Chemical Engineering, SFA;Key Lab. of Biomass Energy and Material, Jiangsu Province, Nanjing 210042, China;
2. Jiangsu Qianglin Bio-energy and Bio-materials Co., Ltd., Liyang 213364, China

Received:2013-06-21 Online:2014-08-25 Published:2015-08-18
Contact: 周永红（1966-），河南渑池人，研究员，博士，博士生导师，从事松脂化学、萜类化学与利用、生物质化学转化与应用的研究工作；E-mail：yhzhou777@sina.com。 E-mail:yhzhou777@sina.com

Abstract

Abstract: In this paper, castor oil-based flame retardant polyols were synthesized using castor oil as raw material pretreated through glycerol alcoholysis, hydrogen peroxide epoxidation and ring-opening reaction between diethyl phosphate and epoxy group. The castor oil-based flame retardant polyols were than reacted with MDI to produce polyurethane foam (PUF). The structure of castor oil-based flame retardant polyols was characterized by FT-IR and ¹H NMR. The mechanical behavior and flame resistance of PUF was studied by universal testing machine and limiting oxygen index (LOI) and thermogravimetric analysis, respectively. The results showed that the castor oil-based flame retardant polyols were prepared by a series of reactions and the hydroxyl value was increased to 420 mg/g. The value of PUF's LOI could reach about 23.8% from 20.1% compared with PUF prepared by alcoholisis castor oil, although the content of phosphorus in PUF is merely 1% and without any fire retardant. The compressive strength of polyurethane foam is increased from 0.118 MPa to 0.128 MPa and thermal stability of polyurethane foam increase with castor oil-based flame retardant polyols content increasing.

Key words: castor oil, polyols, flame-retardant, polyurethane, epoxidation

CLC Number:

TQ35

ZHANG Li-qiang, ZHANG Meng, ZHOU Yong-hong, HU Li-hong, YANG Xiao-hui. Synthesis of Castor Oil-based Flame Retardant Polyols and Its Applicaition in Polyurethane Foams[J]. Chemistry and Industry of Forest Products, 2014, 34(4): 66-70.

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Synthesis of Castor Oil-based Flame Retardant Polyols and Its Applicaition in Polyurethane Foams

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