Phosphorus-nitrogen-zinc two-dimensional supermolecule-coated molybdenum disulfide hybridized flame retardant and application thereof
A molybdenum disulfide, supramolecular technology, applied in the chemical characteristics of fibers, the manufacture of fire-retardant and flame-retardant filaments, and the single-component synthetic polymer rayon, etc. The effect of flame retardant efficiency, reducing the amount of addition, and good application prospects
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Embodiment 1
[0027] Preparation of flame retardant: Dissolve 0.5g of melamine and 0.1g of zinc acetate in 200mL of deionized water, then add 0.1g of molybdenum disulfide nanosheets to the solution and ultrasonically disperse for 2h, and then slowly drop into the above dispersion after the tape is evenly dispersed Add 0.5g phytic acid and stir at 30°C for 4h. Finally, centrifugal cleaning with deionized water and vacuum drying at 60°C are used to obtain a phosphorus, nitrogen, zinc, and zinc two-dimensional supramolecular coated MoS2 hybrid material.
[0028] After SEM and TEM test, respectively, as figure 1 with 2 It is shown that the surface of the obtained hybrid material is rough, the surface of the molybdenum disulfide nanosheets has a block-like load, which is an obvious sandwich structure, and the surface sheet-like two-dimensional supramolecules successfully coat the molybdenum disulfide nanosheets.
[0029] Preparation of flame-retardant polyacrylonitrile fiber: Weigh out 0.06g of the t...
Embodiment 2
[0032] Preparation of flame retardant: Dissolve 0.8g of melamine and 0.15g of zinc acetate in 200mL of deionized water, then add 0.2g of molybdenum disulfide nanosheets to the solution and ultrasonically disperse for 2h, then slowly drop into the above dispersion after the tape is evenly dispersed Add 1g of phytic acid and stir at 30°C for 4h. Finally, centrifugal cleaning with deionized water and vacuum drying at 60°C are used to obtain a phosphorus, nitrogen, zinc, and zinc two-dimensional supramolecular coated MoS2 hybrid material.
[0033] Preparation of flame-retardant polyacrylonitrile fiber: referring to Example 1, a flame-retardant polyacrylonitrile fiber was prepared. The specific performance parameters are shown in Table 1.
Embodiment 3
[0035] Preparation of flame retardant: Dissolve 0.5g of melamine and 0.1g of zinc acetate in 200mL of deionized water, then add 0.1g of molybdenum disulfide nanosheets to the solution and ultrasonically disperse for 2h, and then slowly drop into the above dispersion after the tape is evenly dispersed Add 0.5g phytic acid and stir at 60°C for 4h. Finally, centrifugal cleaning with deionized water and vacuum drying at 60°C are used to obtain a phosphorus, nitrogen, zinc, and zinc two-dimensional supramolecular coated MoS2 hybrid material.
[0036] Preparation of flame-retardant polyacrylonitrile fiber: referring to Example 1, a flame-retardant polyacrylonitrile fiber was prepared. The specific performance parameters are shown in Table 1.
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