Flame-retardant flexible facing tile and preparation method thereof
A flexible facing and flame-retardant technology, applied in the field of building decoration materials, can solve the problems of poor flame retardancy and poor aging resistance of flexible facing tiles, and achieve the effects of preventing external moisture infiltration, high hydrophobicity, and good flexibility.
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Embodiment 1
[0018] Example 1 58.3% of quartz sand with a maximum particle size of 1.0mm, 5.0% of 52.5 grade sulphoaluminate cement, 5.0% of 52.5 grade white cement, 10.0% of mineral powder, 15.0% of pure acrylate copolymer emulsion (solid content is 50.0%), 0.5% polydimethylsiloxane defoamer 5300, 0.5% polysiloxane powder water repellent SHP-50, 0.5% N-phenyl-α-aniline antioxidant, 0.2% glass fiber and 5.0% water are mixed and stirred evenly to obtain a slurry with a certain fluidity, and the slurry is sprayed on a mold with a certain pattern to a thickness of 3.0-5.0mm, and then pressed into the alkali-resistant glass Fiber mesh cloth, after standing for 0.5 hours, enter the drying tunnel at a temperature of 100.0±10.0°C to dry completely, and then remove the formwork to cut into facing bricks of the required size. After testing, the flame retardant performance of the facing brick reaches A2 level, the elastic modulus is 4520.0MPa, and the water absorption rate is 3.2%.
Embodiment 2
[0019] Example 2 50.0% of stone powder with a maximum particle size of 2.0mm, 8.0% of 52.5 grade Portland cement, 3.0% of building gypsum powder, 5.0% of silica fume, 10.0% of mineral powder, and 10.0% of styrene- Acrylate copolymer emulsion (50.0% solid content), 4.7% vinyl acetate-ethylene copolymer emulsion (550% solid content), 0.5% N-phenyl-α-aniline antioxidant, 1.0% polysilicon Mix and stir the oxane powder water repellant SHP-50, 0.8% glass fiber, and 7.0% water, and press the prepared slurry onto the mold with a thickness of 3.0-5.0mm, and enter it after standing for 0.5 hours After the temperature is 80.0±10.0 ℃, it is completely dried in the oven, and then it can be cut into required size decorative bricks after demoulding. After testing, the flame retardant performance of the facing brick reaches A2 level, the elastic modulus is 3547.0MPa, and the water absorption rate is 3.5%.
Embodiment 3
[0020] Example 3 25.0% of quartz sand with a maximum particle size of 1.0mm, 20.0% of water slag with a maximum particle size of 1.0mm, 5.0% of 52.5 grade sulfoaluminate cement, 5.0% of 52.5 grade white cement, and 12.0% of mineral powder , 8.0% pure acrylate copolymer emulsion (solid content 50.0%), 15.0% vinyl acetate-vinyl chloride-acrylic acid copolymer emulsion (solid content 46.0%), 5.0% silicone-acrylate copolymer emulsion (solid content 45.0%), 0.3% silicone ethylene glycol defoamer, 0.5% 4.4-bis (2.2-dimethylbenzyl) diphenylamine antioxidant, 0.5% calcium stearate water repellent, 0.5% The hydroxypropyl methylcellulose thickener, 0.2% mineral fiber, and 3% water are mixed and stirred, and the prepared slurry is sprayed on the mold with a thickness of 3.0 to 4.0 mm, and after standing for 1 hour, it enters the temperature After being completely dried in the oven at 60.0±10.0°C, it can be cut into flame-retardant decorative bricks of the required size after demoulding. ...
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