1. Facile preparation of layered melamine-phytate flame retardant via supramolecular self-assembly technology.
- Author
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Shang, Sheng, Yuan, Bihe, Sun, Yaru, Chen, Gongqing, Huang, Chuyuan, Yu, Bin, He, Song, Dai, Huaming, and Chen, Xianfeng
- Subjects
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MELAMINE , *FIREPROOFING agents , *PHYTIC acid , *HEAT release rates , *FLAME stability , *TECHNOLOGY , *CHEMICAL structure - Abstract
Melamine-phytate (MEL-PA) nanoflakes are formed by supramolecular self-assembly technology using melamine (MEL) and bio-based phytic acid (PA) as the building blocks. This work explores the possibility of this two-dimensional nanomaterial as flame retardant. The layered MEL-PA with the loading of 1, 2 and 3 wt% are incorporated into polypropylene (PP) matrix. MEL-PA is dispersed well in the PP matrix. Thermal stability and flame retardant performance of PP/MEL-PA composites are investigated. Compared with neat PP, the addition of 2 wt% MEL-PA decreases the peak heat release rate from 756 to 608 kW/m2. Char yield of PP is improved by MEL-PA, and the chemical structure and graphitization degree of residual char are studied to reveal flame retardant mechanism. [ABSTRACT FROM AUTHOR]
- Published
- 2019
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