A high-performance flame retardant liquid synthesized on the basis of DOPO hydrolysis products avoids the defects of DOPO
Article
| Article Title | A high-performance flame retardant liquid synthesized on the basis of DOPO hydrolysis products avoids the defects of DOPO  | 
|---|---|
| ERA Journal ID | 1691 | 
| Article Category | Article | 
| Authors | Liu, Peifeng, Wang, Xiang, Jiang, Xingwu, Huang, Jinzheng, Dong, Zhenzhen, Miao, Shicheng and Huo, Siqi | 
| Journal Title | Polymer Degradation and Stability | 
| Journal Citation | 232 | 
| Article Number | 111116 | 
| Number of Pages | 9 | 
| Year | 2025 | 
| Publisher | Elsevier | 
| Place of Publication | United Kingdom | 
| ISSN | 0141-3910 | 
| 0144-2880 | |
| 1873-2321 | |
| Digital Object Identifier (DOI) | https://doi.org/10.1016/j.polymdegradstab.2024.111116 | 
| Web Address (URL) | https://www.sciencedirect.com/science/article/abs/pii/S0141391024004592 | 
| Abstract | It was first proposed to use 2-(2-hydroxyphenyl) phenyl phosphonic acid (HPPA), which is hydrolysis product of DOPO, has a structure more similar to EP, to replace DOPO in the preparation of flame retardant, and finally synthesized a highly efficient liquid flame retardant DP based on HPPA, the theoretical phosphorus content of DP is up to 17.5wt%, so EP can achieve excellent flame retardant/inhibit combustion effect with a small amount addition of DP. For example, the LOI of EP/DP6.0 is increased to 41.2 % and reaches the V-0 rate of UL-94, the PHRR and THR are reduced by 52.4 % and 45.2 % respectively, in addition, the addition of DP in small quantities does not destroy the overall performance of EP, maintains and improves the excellent mechanical and thermal properties of epoxy resin as a whole, and DP has excellent curing promoting effects, meeting the processing and use requirement of high performance EP. It is better than DOPO overall and has good application prospects.  | 
| Keywords | Epoxy resin; Flame retardant; Overall properties; DOPO; HPPA | 
| Contains Sensitive Content | Does not contain sensitive content | 
| ANZSRC Field of Research 2020 | 401609. Polymers and plastics | 
| Public Notes | The accessible file is the submitted version of the paper. Please refer to the URL for the published version.  | 
| Byline Affiliations | Wuhan University of Technology, China | 
| School of Engineering | 
https://research.usq.edu.au/item/zqqyx/a-high-performance-flame-retardant-liquid-synthesized-on-the-basis-of-dopo-hydrolysis-products-avoids-the-defects-of-dopo
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