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- Title
The enhancement on thermal stability and charring-forming capability of nitration group.
- Authors
Yang, Yunyun; Cao, Xilei; Luo, Hang; Cai, Xufu
- Abstract
To obtain a novel charring agent, hexaphenoxy-cyclotriphosphazene (HCTP) was designed to be nitrified hexaphenoxy-cyclotriphosphazene (N-HCTP) by one step of nitration. Then the charring capability and thermal degradation behaviors of HCTP and N-HCTP were extensively investigated with the thermogravimetric analysis (TG) under pure nitrogen and air, respectively. TG results showed that nitration made the char residue yield of N-HCTP increase from 0 to 40% under nitrogen. And the effects of nitration made the char residue yield of N-HCTP increase from 0 to 2.3% under air. Meanwhile, TG was used to show the effect of nitration in inducing charring of acrylonitrile-butadiene-styrene under nitrogen. With 30% addition of N-HCTP, the char residual yield increased from 0.9 to 22%. Then TG/FTIR was used to research their gaseous products and their releasing intensity during decomposition. The TG/FTIR showed that the nitration made the decomposition of N-HCTP completely different from that of HCTP.
- Subjects
THERMAL stability; NITRATION; CYCLOTRIPHOSPHAZENES; CHEMICAL decomposition; THERMOGRAVIMETRY
- Publication
Journal of Thermal Analysis & Calorimetry, 2018, Vol 134, Issue 3, p1557
- ISSN
1388-6150
- Publication type
Article
- DOI
10.1007/s10973-018-7771-0