Effects of layered lanthanum phenylphosphonate on flame retardancy of glass-fiber reinforced poly(ethylene terephthalate) nanocomposites
Source abstract
Abstract
Abstract 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.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Flame retardant materials and properties · Polymer Nanocomposites and Properties · Synthesis and properties of polymers
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (27)
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