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Browsing Chemical Engineering by Author "Ofosu, Osei"
Now showing items 1-5 of 5
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Kruger, Hermanus Joachim; Focke, Walter Wilhelm; Mhike, Washington; Taute, A.T. (Albertus); Roberson, Albert; Ofosu, Osei (Sage, 2014-06)Polyethylene was flame retarded with two intumescent-type additives, 3,5-diaminobenzoic acid phosphate and ethylenediamine phosphate, which differ with respect to their decomposition onset temperatures, along with varying ...
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Molefe, Dan Matlhomola; Labuschagne, F.J.W.J. (Frederick Johannes Willem Jacobus); Focke, Walter Wilhelm; Van der Westhuizen, Isbe; Ofosu, Osei (Sage, 2015-11)Emulsion grade PVC was plasticised with 100 phr diisononyl phthalate and filled with 30 phr of different hydrated filler-type flame retardant additives. Static heat stabilities were determined at 200 oC by following the ...
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Focke, Walter Wilhelm; Muiambo, H.F. (Herminio Francisco); Mhike, Washington; Kruger, Hermanus Joachim; Ofosu, Osei (Elsevier, 2014-02)The utility of expandable graphite as a flame retardant for PVC, plasticized with 60 phr of a phosphate ester, was investigated. Cone calorimeter results, at a radiant flux of 35 kW m-2, revealed that adding only 5 wt.% ...
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Labuschagne, F.J.W.J. (Frederick Johannes Willem Jacobus); Molefe, Dan; Focke, Walter Wilhelm; Ofosu, Osei (Wiley, 2019-04)Please read abstract in the article.
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Focke, Walter Wilhelm; Kruger, Hermanus Joachim; Mhike, Washington; Taute, A.T. (Albertus); Roberson, Albert; Ofosu, Osei (Wiley-Blackwell, 2014-07)A novel intumescent additive was synthesized by neutralizing 3,5-diaminobenzoic acid hydrochloride salt with ammonium dihydrogen phosphate. This compound, which melts at 257 °C, decomposes concurrently to release carbon ...
Now showing items 1-5 of 5