Inherently flame-retardant flexible bio-based polyurethane sealant with phosphorus and nitrogen-containing polyurethane prepolymer

被引：70
作者：
Ding, Haiyang [1 ,2 ,3 ,4 ]
Xia, Chenglong [1 ,2 ,3 ,4 ]
Wang, Jifu [1 ,2 ,3 ,4 ]
Wang, Chunpeng [1 ,2 ,3 ,4 ]
Chu, Fuxiang [1 ,2 ,3 ,4 ,5 ]
机构：
[1] CAF, Inst Chem Ind Forestry Prod, Nanjing, Jiangsu, Peoples R China
[2] Key Lab Biomass Energy & Mat, Nanjing, Jiangsu, Peoples R China
[3] Natl Engn Lab Biomass Chem Utilizat, Nanjing, Jiangsu, Peoples R China
[4] SFA, Key & Open Lab Forest Chem Engn, Nanjing, Jiangsu, Peoples R China
[5] Chinese Acad Forestry, Beijing 100091, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE | 2016年 / 51卷 / 10期
关键词：
THERMAL-DEGRADATION; FIRE BEHAVIOR; EPOXY-RESIN; FOAM; PERFORMANCE; GRAPHITE; COATINGS; ACRYLATE; OXIDE;
D O I：
10.1007/s10853-016-9805-y
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A novel phosphorus and nitrogen-containing flame-retardant polyurethane prepolymer (FRPUP) was successfully synthesized and characterized by FTIR, H-1 NMR, and P-31 NMR. The flame-retardant polyurethane sealants (FRPUS) were prepared by curing FRPUP with castor oil. The flame-retardant properties of samples were investigated by the limiting oxygen index and cone calorimeter testing (CCT). The results showed that FRPUP can improve the flame retardancy of polyurethane sealants (PUS). The thermal decomposition behavior of the PUS was investigated by thermogravimetric analysis. Moreover, the thermal degradation mechanisms of FRPUS were investigated by thermogravimetric analysis/infrared spectrometry, FTIR, and X-ray photoelectron spectroscopy. The results indicated that the good flame retardancy of FRPUS can be attributed to the synergistic effect of phosphorus and nitrogen in FRPUP.
引用
收藏
页码：5008 / 5018
页数：11
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