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Schiff bases polymers were synthesized from 2-hydroxybenzaldehyde (2-HBA) via oxidative polymerization method in an aqueous alkaline medium in the presence of NaOCl as an oxidant. Then, these polymeric Schiff bases were prepared from the polyaldehyde by grafting each of them with different amines containing pyridine and pyrimidine groups. The structures of polymers were confirmed by FT-IR, 1H NMR,...
In this study, flame retardant modification of partially oriented (POY, partially oriented yarn) poly(ethylene terephthalate) (PETPOY) fibers were applied using a high temperature bath method similar to dyeing fibers with disperse dyes. The flame retardant modifier used in this work – water-glass (WG) – was commercially available technical product. The flammability of fibers was evaluated by limiting...
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