Comparative study on the synergistic effect of POSS and graphene with melamine phosphate on the flame retardance of poly(butylene succinate)

Wang, Xin, Hu, Yuan, Song, Lei, Yang, Hongyu, Yu, Bin, Kandola, Baljinder K. ORCID: 0000-0002-3621-3724 and Deli, Dario (2012) Comparative study on the synergistic effect of POSS and graphene with melamine phosphate on the flame retardance of poly(butylene succinate). Thermochimica Acta, 543. pp. 156-164. ISSN 0040-6031

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Abstract

Flame retardant poly(butylene succinate) (PBS) composites were prepared by melt blending PBS with melamine phosphate (MP), using graphene or polyhedral oligomeric silsesquioxanes (POSS) as synergists. The comparative study on the effect of POSS and graphene on the mechanical, thermal properties and flammability of flame retardant PBS was investigated. The addition of POSS or graphene further improved the LOI values of the flame retardant PBS, and V0 rating was obtained for the formulation containing 18 wt % MP and 2 wt% graphene. The incorporation of POSS and graphene reduced the crystallization of PBS, but improved the tensile strength. The presence of graphene exhibited superior thermal-oxidative resistance of the char layer compared to POSS, which effectively retarded the mass and heat transfer between the flame and the burning substrate, thus the heat release rate and total heat release of the flame retardant PBS composites containing graphene was significantly reduced during combustion.

Item Type: Article
Uncontrolled Keywords: Poly(butylene succinate); POSS; Graphene; Thermal properties; Flame retardance
Subjects: Q Science > Q Science (General)
T Technology > T Technology (General)
Divisions: University of Bolton Research Centres > Institute for Materials Research and Innovation
Depositing User: Sarah Taylor
Date Deposited: 26 Mar 2018 15:12
Last Modified: 26 Mar 2018 15:12
Identification Number: 10.1016/j.tca.2012.05.017
URI: http://ubir.bolton.ac.uk/id/eprint/1626

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