Flame Retardancy Synergism of Zinc Borate and an Organophosphorus Compound in Polyamide and its Composite

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2017-08-23

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Kaynak, Cevdet

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https://hdl.handle.net/11511/76568

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Flame retardancy effects of zinc borate and nanoclay in ABS, and boron compounds in PET Özkaraca, Ayşe Çağıl; Kaynak, Cevdet; Department of Metallurgical and Materials Engineering (2011) In this thesis there were two main purposes, the first one being to investigate effects of zinc borate (ZB) on the flammability behavior of ABS when used with and without a traditional brominated flame retardant (BFR) / antimony trioxide (AO) system. The second purpose was to investigate contribution of nanoclays (NC) to the flame retardancy performance of the same traditional BFR compound with various combinations of AO and ZB again in ABS matrix. For these purposes, materials were melt compounded by using...
Flame retardancy of polymer nanocomposites Işıtman, Nihat Ali; Kaynak, Cevdet; Department of Metallurgical and Materials Engineering (2012) This thesis is aimed to understand the role of nanofiller type, nanofiller dispersion, nanofiller geometry, and, presence of reinforcing fibers in flame retardancy of polymer nanocomposites. For this purpose, montmorillonite nanoclays, multi-walled carbon nanotubes, halloysite clay nanotubes and silica nanoparticles were used as nanofillers in polymeric matrices of poly (methyl methacrylate) (PMMA), high-impact polystyrene (HIPS), polylactide (PLA) and polyamide-6 (PA6) containing certain conventional flame...
Flame retardancy of polyamide compounds and micro/nano composites Gündüz, Hüseyin Özgür; Kaynak, Cevdet; Department of Polymer Science and Technology (2009) In the first part of this dissertation, glass fiber reinforced/unreinforced polyamide 6 (PA6) and polyamide 66 (PA66) were compounded with three different flame retardants, which were melamine cyanurate, red phosphorus and brominated epoxy with antimony trioxide, by using an industrial scale twin screw extruder. Then, to investigate flame retardancy of these specimens, UL-94, Limiting Oxygen Index (LOI) and Mass Loss Cone Calorimeter (MLC) tests were carried out. In addition to flammability tests, thermogra...
FLAME RETARDATION AND MECHANICAL-PROPERTIES OF 1,3 PROPYLENE-GLYCOL BASED UNSATURATED POLYESTER Gündüz, Güngör; OZTURK, S (Informa UK Limited, 1994-01-01) Flame retardance properties of 1,3 propylene glycol based unsaturated polyester containing 40% styrene and 20% acrylonitrile were investigated. The polyester with 12% Br content is self-extinguishing while others with lower bromine contents burn slowly. The high decrease in mechanical strength due to the presence of bromine is highly compensated by acrylonitrile.
Flame retardancy and mechanical properties of pet-based composites containing phosphorus and boron-based additives Kilinc, Mert; ÇAKAL, GAYE ÖZGÜR; Bayram, Göknur; Eroglu, Inci; Özkar, Saim (2015-06-10) Flame retardancy of poly(ethylene terephthalate), PET, was improved using different flame retardant additives such as triphenylphosphate, triphenylphosphine oxide, zinc borate, and boron phosphate (BP). Composites were prepared using a twin screw extruder and subsequently injection molded for characterization purposes. The flame retardancy of the composites was determined by the limiting oxygen index (LOI) test. Smoke emission during fire was also evaluated in terms of percent light transmittance. Thermal s...

Citation Formats

C. Kaynak, “Flame Retardancy Synergism of Zinc Borate and an Organophosphorus Compound in Polyamide and its Composite,” 2017, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/76568.