Water permeable brick prepared from construction waste and preparation method thereof
A technology of construction waste and permeable bricks, which is applied in the field of permeable bricks, can solve problems such as poor heat resistance, and achieve the effect of improving molding performance and strengthening strength
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Embodiment 1
[0022] A permeable brick prepared from construction waste, the raw materials of which include, by weight, 45 parts of construction waste, 30 parts of phosphorous tailings, 20 parts of brick red aggregate, 10 parts of air-permeable additive, 2 parts of curing agent and 2 parts of water.
[0023] The curing agent is prepared according to the following process: 10 parts by weight of cross-linked polyacrylonitrile-styrene copolymer, 4.5 parts of polypropylene, 3 parts of potassium persulfate and 3.5 parts of polyaryl phosphate are mixed uniformly, and then Raise the temperature to 70°C, keep it warm for 3 hours to obtain the core, then add 6 parts of silane coupling agent KH-550, 6 parts of diatomaceous earth, 6 parts of sepiolite powder, 6 parts of nano-aluminum hydroxide, 3.5 parts of three Mix antimony oxide, 6 parts of zinc borate and 4 parts of aluminum polyphosphate evenly, stir at 750r / min for 20min, adjust the pH to 4, then raise the temperature to 70°C, keep warm for 1h to...
Embodiment 2
[0027] A permeable brick prepared by using construction waste, the raw materials of which include by weight: 40 parts of construction waste, 35 parts of phosphorus tailings, 15 parts of brick red aggregate, 12 parts of ventilation aid, 1 part of curing agent and 3 parts of water.
[0028] The curing agent is prepared according to the following process: 8 parts of cross-linked polyacrylonitrile-styrene copolymer, 6 parts of polypropylene, 1 part of potassium persulfate and 5 parts of polyaryl phosphate are mixed uniformly by weight, and then Raise the temperature to 60°C, keep it warm for 4 hours to obtain the core, then add 4 parts of silane coupling agent KH-550, 9 parts of diatomaceous earth, 4 parts of sepiolite powder, 9 parts of nano-aluminum hydroxide, 2 parts of three Mix antimony oxide, 8 parts of zinc borate and 2 parts of aluminum polyphosphate evenly, stir at 850r / min for 10min, adjust the pH to 5.0, then raise the temperature to 65°C, keep warm for 1.5h to form a sh...
Embodiment 3
[0032] A permeable brick prepared by using construction waste, the raw materials of which include by weight: 50 parts of construction waste, 25 parts of phosphorous tailings, 25 parts of brick red aggregate, 8 parts of ventilation aids, 3 parts of curing agent, and 2 parts of reinforcing agent 3 parts of water.
[0033] The curing agent is prepared according to the following process: 12 parts by weight of cross-linked polyacrylonitrile-styrene copolymer, 3 parts of polypropylene, 5 parts of potassium persulfate and 2 parts of polyaryl phosphate are mixed uniformly, and then Raise the temperature to 80°C, keep it warm for 2 hours to obtain the core, and then add 8 parts of silane coupling agent KH-550, 3 parts of diatomaceous earth, 8 parts of sepiolite powder, 3 parts of nano-aluminum hydroxide, 5 parts of three Mix antimony oxide, 4 parts of zinc borate and 6 parts of aluminum polyphosphate evenly, stir at 850r / min for 10min, adjust the pH to 5.0, then raise the temperature t...
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Abstract
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