期刊
SURFACE ENGINEERING
卷 39, 期 1, 页码 49-55出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/02670844.2023.2193004
关键词
Polyethylene terephthalate fabric; flame retardant; anti-dripping; bio-based coating; phytic acid; gelatine; eco-friendl; durability
This study used bio-based phytic acid (PA) and gelatine (G) to improve the flame retardancy and anti-dripping properties of polyethylene terephthalate (PET) fabric. The coated PET fabric showed a limiting oxygen index (LOI) value greater than 29.5% and no dripping phenomenon, indicating significant improvement in flame retardancy and anti-dripping properties. The PA/G coating altered the decomposition stability and degradation process of PET fabric, promoting the formation of a stable char. The coating formed an intumescent flame retardant (IFR) system on PET fabric, functioning through the IFR mechanism.
The application of polyethylene terephthalate (PET) is restricted due to its high flammability and dripping phenomenon. This paper used bio-based phytic acid (PA) and gelatine (G) for flame retardant and anti-dripping treatment of PET fabric. The coated PET fabric achieved a limiting oxygen index (LOI) value greater than 29.5% and no dripping phenomenon revealing that its flame retardancy and anti-dripping properties were obviously improved. The LOI value of PA/G coated PET fabric after washing was over 26% showing good washing durability. The PA/G coating could change the starting decomposition stability and the degradation process of PET fabric and promote to form the stable char. PA/G coating formed an intumescent flame retardant (IFR) system on PET fabric to act through the IFR mechanism. This research is expected to result in a novel eco-friendly coating for flame retardant and anti-dripping thermoplastic polyester fabric.
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