PAL material wooden product fire-retardant filler
A flame-retardant filler and flame-retardant liquid technology, which is applied in the direction of wood impregnation, impregnated wood, and manufacturing tools, etc., can solve the problem of high cost, achieve the effects of slowing down the burning speed, slowing down the penetration, and reducing the fire
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[0007] 1. The PAL powder material (silicon dioxide content > 80%) is subjected to ultra-fine grinding treatment, the particle size is < 2 μm, and the particle surface is modified.
[0008] Add the processed flame-retardant PAL powder into the prepolymer low-viscosity resin liquid according to a certain amount of components, and fully stir to make the powder fully dispersed.
[0009] 2. The prepared flame retardant solution is diffused into the wood by pressure impregnation, and then dried in the kiln. The resin is further polycondensed to form a long-chain polymer, together with the flame retardant material. It is fixed on the surface of wood fibers to form a fire-retardant layer with good performance.
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