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Combustible cotton fabric has limited applications particularly as a flame retardant. In this study, an efficient flame retardant ammonium of aminopropyl silanol methylene phosphate (AASMP) was synthesized using 3-aminopropylethoxysilane, phosphorous acid, urea and formaldehyde under mild and solvent-free conditions to solve cotton inflammable problems. AASMP was grafted onto the surface of cotton...
The eco-friendly flame-retardant I-type ammonium polyphosphate (I-type APP) has poor water solubility and poor durability when applied to textiles, limiting its application in the textile industry. In this study, we resolve I-type APP solubility in water and then improve its durability for cotton fabric. The resolvable APP was grafted onto cotton fabrics by the P–O–C bonds. The limiting oxygen index...
Hydrochars in situ functionalized with –SO3H groups were generated from kenaf core via a low-temperature hydrothermal carbonization process of 105 °C with a consecutive catalysis of H2SO4. The micro-morphology of the hydrochars was strongly affected by the sulfuric acid concentration. Sphere-like particles with size varying between 200 nm and 1 μm were obtained when the acid concentration was 52 wt%...
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