A kind of aluminum hydroxide and montmorillonite nanocomposite flame retardant and preparation method thereof
A technology of aluminum hydroxide and nano-composite, applied in the field of nano-materials, can solve the problems of poor flame-retardant effect of flame retardants, achieve low cost, improve flame-retardant performance and thermal stability, and enhance the effect of nano-effects
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Embodiment 1
[0022] A nano-composite flame retardant of aluminum hydroxide and montmorillonite of the present invention is prepared by ball milling aluminum hydroxide and montmorillonite, and the mass percentages are: 88.9% of unmodified synthetic aluminum hydroxide, 11.1% of montmorillonite %.
[0023] Dry 24.24g of unmodified synthetic aluminum hydroxide and 3.03g of calcium-based montmorillonite (mass ratio is 8:1) in an oven, mix them uniformly and put them into a ball mill jar; place 272.73g of ball mill beads in a ball mill jar , control the mass ratio of powder and ball milling beads to 1:10, ball milling beads and powder together account for 20% of the volume of the ball milling container; set the omnidirectional ball milling process conditions: the chassis continues to revolve at an angular speed of 90° / min, and the chassis rotates during operation Process: The chassis rotation process is that the chassis rotates clockwise for 3 minutes, stops for 1 minute, rotates counterclockwis...
Embodiment 2
[0026] A nano-composite flame retardant of aluminum hydroxide and montmorillonite of the present invention is prepared by ball milling aluminum hydroxide and montmorillonite, and the mass percentage is: 91.7% of unmodified synthetic aluminum hydroxide, sodium-based montmorillonite Soil 8.3%.
[0027] Dry 28.41g of unmodified synthetic aluminum hydroxide and 2.84g of sodium montmorillonite (mass ratio is 10:1) in an oven, mix them uniformly and put them into a ball milling jar; place 468.75g of ball milling beads in a ball milling jar , the mass ratio of powder to ball milling beads is 1:15, and the ball milling beads and powder together account for 32% of the volume of the ball milling container; set the omnidirectional ball milling process conditions: the chassis revolves at an interval of 45°, and maintains for 6 minutes after the rotation is completed. During this period, the chassis rotation process is run; the chassis rotation process is that the chassis rotates clockwise...
Embodiment 3
[0029]A nano-composite flame retardant of aluminum hydroxide and montmorillonite of the present invention is prepared by ball milling aluminum hydroxide and montmorillonite, and the mass percentage is: organically modified aluminum hydroxide 93.7%, calcium-based montmorillonite 6.3%.
[0030] 46.88g of organically modified aluminum hydroxide and 3.13g of montmorillonite (mass ratio is 15:1) were dried in an oven, mixed evenly and placed into a ball mill jar; 250.00g of ball mill beads were placed in a ball mill jar, and the powder The mass ratio of ball milling beads to ball milling beads is 1:5, ball milling beads and powder together account for 20% of the volume of the ball milling container; set the omni-directional ball milling process conditions: Condition 1 is that the chassis revolves at an interval of 30°, and keep it for 10 minutes after the rotation is completed. During the period, the chassis rotation process was run; condition 2 was that the chassis continued to re...
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