期刊
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
卷 43, 期 3, 页码 415-422出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2011.10.012
关键词
Glass fibers; Polymer-matrix composites (PMCs); Thermal properties; Thermal analysis
资金
- NSFC [U1074001]
- Guangdong Province [U1074001]
- Program for Education combined with production and research of Guangdong province
- Education Department of Chinese government [2009A090100010]
- National Natural Science Foundation of China [51036007]
This paper presents a preliminary investigation on the effects of organically modified iron-montmorillonite (Fe-OMT) and zinc borate (ZnB) on thermal degradation behaviors and flame retardancy of melamine polyphosphate (MPP) flame-retarded glass fiber reinforced polyamide 6 (GFPA6). The samples were characterized using limiting oxygen index (LOI), UL-94 tests, thermogravimetric analysis (TGA), Fourier transform infrared coupled with the thermogravimetric analyzer (TG-FTIR) and Microscale Combustion Calorimeter (MCC) measurements. The residue after LOI test was also analyzed by Scanning electron microscopy (SEM). X-ray photoelectron spectroscopy (XPS), Fourier transform infrared (FTIR) and Raman spectroscopy. A substitution of a certain fraction of MPP with ZnB or Fe-OMT can significantly improve the UL-94 rating of GFPA6/MPP composites from no rating to VU rating, exhibiting excellent flame retardacny. Based on the investigations, different flame retardant mechanisms were proposed for the two effective flame-retardant formulations. (C) 2011 Elsevier Ltd. All rights reserved.
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