TY - JOUR
T1 - Superior Flame Retardancy, Mechanical and Dielectric Properties of Epoxy Resin Composites Based on Molybdenum Disulfide-Melamine Trimetaphosphate Crystallite Composites
AU - Qin, Peifan
AU - Yi, Deqi
AU - Hao, Jianwei
AU - Gao, Ming
AU - Cao, Xuewei
AU - Sun, Qixing
AU - Zhou, Jin
N1 - Publisher Copyright:
© 2025 Wiley Periodicals LLC.
PY - 2025/5/5
Y1 - 2025/5/5
N2 - To improve the flame retardancy, mechanical and dielectric properties of epoxy resin (EP), promoting the application in aeronautic industry and other fields, molybdenum disulfide-melamine trimetaphosphate (MoS2-MAP) crystallite composites are synthesized. The chemical, crystalline structure and thermal stabilities of MoS2-MAPs are thoroughly characterized by Fourier transform infrared (FTIR), X-ray diffraction (XRD), scanning electron microscope (SEM), and thermo-gravimetric analysis (TGA) techniques, respectively. The morphologies of EP/MoS2-MAP composites are assessed by SEM, thermal stability by TGA, fire retardancy by limiting oxygen index test (LOI), vertical burning standard test (UL-94), and cone calorimeter tests, mechanical properties by stress strain tests, and dielectric properties by impedance analyzer. Compared with pure EP, the mechanical, dielectrical properties, thermal stabilities and flame retardancy of EP/MoS2-MAP composites can be significantly improved due to the good dispersibility of MoS2 and MAP in matrix. While, the properties of EP/MoS2-MAP composites can be further adjusted by controlling the mass raito of MoS2 and MAP in MoS2-MAP crystallite. EP with 4 wt% of MoS2-MAP-50% (P content: 0.30%) shows the lowest dielectric constant and dielectric loss values on the basis of good flame retardancy and mechanical properties. The results show that the MoS2-MAP crystallite composites can promote the application of EP composites in aeronautical devices, radar detection and other fields.
AB - To improve the flame retardancy, mechanical and dielectric properties of epoxy resin (EP), promoting the application in aeronautic industry and other fields, molybdenum disulfide-melamine trimetaphosphate (MoS2-MAP) crystallite composites are synthesized. The chemical, crystalline structure and thermal stabilities of MoS2-MAPs are thoroughly characterized by Fourier transform infrared (FTIR), X-ray diffraction (XRD), scanning electron microscope (SEM), and thermo-gravimetric analysis (TGA) techniques, respectively. The morphologies of EP/MoS2-MAP composites are assessed by SEM, thermal stability by TGA, fire retardancy by limiting oxygen index test (LOI), vertical burning standard test (UL-94), and cone calorimeter tests, mechanical properties by stress strain tests, and dielectric properties by impedance analyzer. Compared with pure EP, the mechanical, dielectrical properties, thermal stabilities and flame retardancy of EP/MoS2-MAP composites can be significantly improved due to the good dispersibility of MoS2 and MAP in matrix. While, the properties of EP/MoS2-MAP composites can be further adjusted by controlling the mass raito of MoS2 and MAP in MoS2-MAP crystallite. EP with 4 wt% of MoS2-MAP-50% (P content: 0.30%) shows the lowest dielectric constant and dielectric loss values on the basis of good flame retardancy and mechanical properties. The results show that the MoS2-MAP crystallite composites can promote the application of EP composites in aeronautical devices, radar detection and other fields.
KW - composites
KW - degradation
KW - flame retardance
KW - thermal properties
KW - thermogravimetric analysis (TGA)
UR - http://www.scopus.com/inward/record.url?scp=105001065589&partnerID=8YFLogxK
U2 - 10.1002/app.56792
DO - 10.1002/app.56792
M3 - Article
AN - SCOPUS:105001065589
SN - 0021-8995
VL - 142
JO - Journal of Applied Polymer Science
JF - Journal of Applied Polymer Science
IS - 17
M1 - e56792
ER -