Journal
MICRO & NANO LETTERS
Volume 14, Issue 8, Pages 828-830Publisher
INST ENGINEERING TECHNOLOGY-IET
DOI: 10.1049/mnl.2018.5204
Keywords
filled polymers; tungsten compounds; fracture toughness; nanofabrication; thermal analysis; nanocomposites; tensile strength; flame retardants; smoke; calcination; nanoporous materials; tin compounds; flammability; SnO2; simple immersion-calcination method; biological template; tensile strength; impact toughness; three-dimensional nanoporous tin oxide; microporous structure; PVC composite; nanoporous structure; flame retardant; three-dimensional microporous tin oxide; mechanical property; flexible polyvinyl chloride; simple immersion-calcination method; flexible PVC; mechanical properties; flammable properties; biotemplated facile synthesis; toughening properties; metal oxide flame retardants; smoke suppression abilities; flame retardancy
Funding
- National Natural Science Foundation of China [21306035, 21276059]
- Key Basic Research Project of Hebei Province [16961402D]
- Post-graduate's Innovation Fund Project of Hebei Province [CXZZBS2018004]
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In this study, a flame retardant [Pollen-type SnO2 (P-SnO2)] with a micro/nanoporous structure was synthesised by the simple immersion-calcination method using pollen as a biological template. When applied into flexible polyvinyl chloride (PVC), PVC composite adding P-SnO2 (PVC/P-SnO2) exhibited much better mechanical property than that adding commercial SnO2 (PVC/[C-type SnO2 (C-SnO2)] for the results that the tensile strength and impact toughness are increased by 11.3 and 37.9%, respectively. Moreover, PVC/P-SnO2 has always the same flame retardancy and smoke suppression abilities compared with PVC/C-SnO2. It provides a method using biotemplate for preparing metal oxide flame retardants with both great flame retardant and toughening properties.
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