Novel composite sandwich wallboard and preparation method thereof
A wallboard, a new type of technology, applied in the field of wallboards, can solve the problems of sound insulation, waterproof, poor flame retardant and heat preservation effects, shortage of steel resources, unfavorable sustainable development, etc., and achieve the effect of increasing aesthetics
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Embodiment 1
[0015] According to the actual situation, 10kg of cement mortar, 10Kg of expanded polypropylene, and 2kg of magnesium powder were weighed, blended, and pressed into a 20mm thick composite board. After it solidifies, apply glue on the upper and lower surfaces. Take two 2mm thick magnesium plates and paste them on both sides of the composite plate respectively. Finally, it is pressed by double rollers to increase the bonding firmness of the board, and a lock for fixing is added. The obtained boards are cut into square templates to facilitate construction and transportation.
Embodiment 2
[0017] According to the actual situation, 10kg of cement mortar, 15Kg of foamed polyurethane, and 3kg of magnesium powder were weighed, blended, and pressed into a 30mm thick composite board. After it solidifies, apply glue on the upper and lower surfaces. Take two 10mm thick magnesium plates and paste them on both sides of the composite plate respectively. Finally, it is pressed by double rollers to increase the bonding firmness of the board, and a lock for fixing is added. The obtained boards are cut into square templates to facilitate construction and transportation.
Embodiment 3
[0019] According to the actual situation, 15kg of cement mortar, 20Kg of foamed polypropylene, and 5kg of aluminum hydroxide powder were weighed, blended, inserted into steel bars, and pressed into a 10mm thick composite plate. After it solidifies, apply glue on the upper and lower surfaces. Take two 3mm thick magnesium plates and paste them on both sides of the composite plate respectively. Finally, it is pressed by double rollers to increase the bonding firmness of the board, and a lock for fixing is added. The obtained boards are cut into square templates to facilitate construction and transportation.
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