Effects of layered lanthanum phenylphosphonate on flame retardancy of glass-fiber reinforced poly(ethylene terephthalate) nanocomposites

Autor:	Yuanzheng Cai, Zhenhu Cao, Zhengping Fang, Zhenghong Guo
Rok vydání:	2013
Předmět:	Thermogravimetric analysis Materials science Nanocomposite Scanning electron microscope chemistry.chemical_element Mineralogy Geology Chemical engineering chemistry Geochemistry and Petrology Ultimate tensile strength Lanthanum Thermal stability UL 94 Char
Zdroj:	Applied Clay Science. :10-17
ISSN:	0169-1317
DOI:	10.1016/j.clay.2013.03.015
Popis:	Effects of layered metal phosphonate lanthanum phenylphosphonate (LaPP) on the thermal stability, flame retardancy and mechanical properties of glass-fiber reinforced poly(ethylene terephthalate) (PET/GF)/microencapsulated red phosphorus (MRP) systems were investigated. The result of transmission electron microscopy (TEM) measurements indicated that LaPP particles were homogenously dispersed in PET matrix and no obvious signs of LaPP aggregation were detected. Thermogravimetric (TG) analysis showed that incorporating LaPP into PET/GF-MRP enhanced the thermal stability and increased the char residue compared to the sample without LaPP. In the existence of LaPP, the PET/GF-MRP composites could pass the UL 94 V-0 rating test, and the limited oxygen index (LOI) could be enhanced. The structures of char residues observed by scanning electron microscopy (SEM) demonstrated that LaPP could promote to form the homogenous and compact char layer. What is more, the presence of LaPP improved the tensile strength and storage moduli of PET/GF-MRP composites.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::52098e93b357b2ed8155317f5fdc129f https://doi.org/10.1016/j.clay.2013.03.015 Zobrazit plný text záznamu Full Text from ScienceDirect