Phosphogypsum-based outdoor landscape material for 3D (three-dimensional) printing
A 3D printing, phosphogypsum technology, applied in the field of phosphogypsum-based outdoor landscape materials, can solve problems such as easy generation of harmful gases, unsuitable outdoor environment, hidden dangers, etc., and achieve the effect of shortening the development cycle, shortening the condensation time, and protecting the environment.
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Example Embodiment
[0030] Example 1,
[0031] (1) Mix 70 parts of β-hemihydrate gypsum, 3 parts of calcium sulfate dihydrate whiskers, 4 parts of cement, 0.03 parts of graphene oxide and 2 parts of nano-silica to obtain composite powder:
[0032] (2) The roller pushes the composite powder of step (1) to the modeling platform, and evenly spreads a layer with a thickness of <0.075mm. At the same time, the print head sprays 20 parts of binder curing composite powder, and the color inkjet print head applies 2 parts of pigment Optionally spray on the paved powder, and then lower the modeling platform layer by layer. Repeat this action to complete the phosphogypsum-based outdoor landscape.
[0033] The adhesive is a composite of wet-milled water-quenched blast furnace slag and water-soluble polyurethane acrylate photosensitive resin, and the composite weight ratio is 8:1.
[0034] The pigment is a mixture of an inorganic composite pigment and nitrogen-doped nano titanium dioxide, and the weight ratio of the i...
Example Embodiment
[0040] Example 2, same as Example 1, except that:
[0041] (1) Evenly mix 85 parts of phosphogypsum, 8 parts of calcium sulfate dihydrate whiskers, 2 parts of cement, 0.01 parts of graphene oxide and 0.5 parts of nano silica to obtain composite powder;
[0042] (2) The roller pushes the composite powder of step (1) to the modeling platform, and evenly spreads a layer with a thickness of <0.075mm. At the same time, the print head sprays 8 parts of binder curing composite powder, and the color inkjet print head applies 2 parts of pigment Optionally spray on the paved powder, and then lower the modeling platform layer by layer. Repeat this action to complete the phosphogypsum-based outdoor landscape.
[0043] The adhesive is a composite of wet-milled water-quenched steel slag and water-soluble urethane acrylate photosensitive resin, and the composite weight ratio is 8:2.
[0044] The pigment is a mixture of inorganic composite pigment and nitrogen-doped nano titanium dioxide, and the wei...
Example Embodiment
[0049] Embodiment 3 is the same as embodiment 1, except that:
[0050] (1) Uniformly mix 75 parts of phosphogypsum, 5 parts of calcium sulfate dihydrate whiskers, 3 parts of cement, 0.03 parts of graphene oxide and 2 parts of nano-silica to obtain composite powder;
[0051] (2) The roller pushes the composite powder of step (1) to the modeling platform, and evenly spreads a layer with a thickness of <0.075mm. At the same time, the print head sprays 15 parts of binder curing composite powder, and the color inkjet print head applies 2 parts of pigment Optionally spray on the paved powder, and then lower the modeling platform layer by layer. Repeat this action to complete the phosphogypsum-based outdoor landscape.
[0052] The adhesive is a composite of wet-milled water-quenched steel slag and water-soluble urethane acrylate photosensitive resin, and the composite weight ratio is 8:2.
[0053] The pigment is a mixture of inorganic composite pigment and nitrogen-doped nano titanium dioxid...
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