Self-extinguishing cotton fabric with minimal phosphorus deposition |
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Authors: | Ampornphan Siriviriyanun Edgar A O’Rear Nantaya Yanumet |
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Institution: | (1) The Petroleum and Petrochemical College, Chulalongkorn University, Bangkok, Thailand;(2) School of Chemical, Biological and Materials Engineering, University of Oklahoma, Norman, OK 73019, USA |
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Abstract: | The phosphorus-containing acrylate monomer, 2-acryloyloxyethyl diethyl phosphate (ADEP), was synthesized and applied to cotton
fabric by using the admicellar polymerization technique. A cationic surfactant (cetylpyridinium chloride, CPC) was used as
the surfactant for admicellar polymerization. Results from FTIR-ATR and SEM showed that PADEP polymer film was successfully
formed on the cotton fabric surface. TGA and DTG analyses showed that the phosphorus-containing PADEP lowered the decomposition
temperature of the treated fabric resulting in a higher char yield than in the case of untreated cotton. The flammability
tests showed that PADEP-coated cotton with the phosphorus content 4.18 mg/g cotton was self-extinguishing, with the flame
extinguishing right after the removal of the ignition source leaving a small area of char formation. |
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Keywords: | Self-extinguishing cotton Admicellar polymerization Residue Phosphorus-containing flame retardant Phosphorus content Cationic surfactant |
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