Aiming to realize anti-dripping and improve fire retardancy of polyester fabrics, novel hybrid multilayer nano-coatings composed of γ-amino propyltriethoxysilane (KH-550), bio-based betadex sulfobutyl ether sodium (SBE-β-CD) and [(6-Oxido-6H-dibenz-[c,e][1,2]oxaphosphorin-6-yl)methyl] butanedioic acid (DDP), were successfully constructed through layer-by-layer self assembly (LBL) method. Polyacrylic acid (PAA) layer were firstly deposited onto polyester fabrics via UV-grafting, facilitating the following electrostatic adhesion for bi-layer electrolytes. The LBL assembly electrolytes as well as coating thickness were investigated in order to have a better optimization of the nano-coatings with the desired flame resistance properties. The morphological analysis, thermal stability, flame retardant properties of multilayer modified polyester were carried out by scanning electron microscopy (SEM) equipped with an energy dispersive spectrometer (EDS), thermogravimetry analysis (TGA), limiting oxygen index (LOI), UL-94 test, and cone calorimeter test (CCT), respectively. After the functional multilayer coated, the ignition time was delayed. Moreover, total heat release and peak heat release rate were reduced but char residues increased. Of particular significant is the melt dripping phenomena disappearance in optimum condition of (K/S)₆+(K/D)₃ hybrid LBL coatings with LOI value of 36% and V-0 rating in UL-94 test. The analysis of SEM, fourier transform infrared spectrometer (FITR) and X-ray photoelectron spectroscopy (XPS) results of the residual char indicated a compact exterior layer but multicellular structures for interior layer with thermodynamically stability SiO_2, which was served as a barricade shield to protect the underlaying polymer matrix during the combustion process. This suggested that both condensed-phase and gas-phase flame-retardancy made contributions to the flame retardant mechanism. The synergistic effect of hybrid LBL multilayer surface could impart polyester fabrics with high fire retardancy and non-dripping performance.

为了实现聚酯织物的防滴落和提高阻燃性，新型混合多层纳米涂层由γ-氨基丙基三乙氧基硅烷（KH-550），生物基βdex磺基丁基醚钠（SBE-β-CD）和[[6通过层-层自组装（LBL）方法成功地构建了-Oxido-6H-dibenz- [c，e] [1,2] xaphosphorin-6-基）甲基]丁二酸（DDP）。首先通过紫外线接枝将聚丙烯酸（PAA）层沉积到聚酯织物上，以利于随后的双层电解质静电粘合。为了更好地优化具有所需阻燃性能的纳米涂层，研究了LBL组件电解质以及涂层厚度。形态分析，热稳定性，多层改性聚酯的阻燃性能通过配备有能量分散光谱仪（EDS）的扫描电子显微镜（SEM），热重分析（TGA），极限氧指数（LOI），UL-94测试和锥形量热仪测试（ CCT）。在涂覆功能多层之后，延迟点火时间。此外，总热量释放和峰值热量释放速率降低，但残炭增加。在（K / S）的最佳条件下熔滴现象消失特别重要 此外，总热量释放和峰值热量释放速率降低，但残炭增加。在（K / S）的最佳条件下熔滴现象消失特别重要 此外，总热量释放和峰值热量释放速率降低，但残炭增加。在（K / S）的最佳条件下熔滴现象消失特别重要_6种+（K / D）₃混合LBL涂料，LOI值为36％，UL-94测试中的V-0等级。残留焦炭的SEM，傅立叶变换红外光谱仪（FITR）和X射线光电子能谱仪（XPS）的分析结果表明，外层致密，但内层的多孔结构具有热力学稳定性SiO _2，可作为路障屏障在燃烧过程中保护底层聚合物基体。这表明冷凝相和气相阻燃都对阻燃机理做出了贡献。混杂的LBL多层表面的协同作用可以赋予聚酯织物高阻燃性和不滴落性能。