A fiber reinforced cement composite board
A fiber-reinforced cement and composite board technology is applied in the field of building materials to achieve the effects of increasing toughness and impact resistance, reducing costs and increasing cohesion
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Embodiment 1
[0032] A fiber-reinforced cement composite board is composed of the following raw materials in weight percentage: 15% of mineral powder, 5% of steel slag powder, 10% of ground quartz powder, 1% of fiber, 0.8% of fiber modifier, and 5% of waterproof compacting agent , coagulation accelerator 2%, water 28%, and the balance is cement;
[0033] Described fiber is that polypropylene fiber and wood fiber are made by the weight ratio of 1:2;
[0034] The fiber modifier is prepared by dodecyl dihydroxyethyl betaine and sulfated castor oil in a weight ratio of 1:2;
[0035] The waterproof compacting agent is made of sodium methyl silicate: silicon micropowder and magnesium oxide in a weight ratio of 1:8:1;
[0036] The coagulation accelerator is prepared from diethanol monoisopropanolamine and sodium metabisulfite at a weight ratio of 1:5.
[0037] The specific surface area of the mineral powder is ≥400m 2 / kg, 28d activity index N≥95%, loss on ignition ≤3%.
[0038] The specific...
Embodiment 2
[0043] A fiber-reinforced cement composite board is composed of the following raw materials in weight percentage: 14% mineral powder, 6% steel slag powder, 9% ground quartz powder, 3% fiber, 0.7% fiber modifier, and 4% waterproof compacting agent 1.5% coagulation accelerator, 30% water, and cement as the balance;
[0044] Described fiber is that polypropylene fiber and wood fiber are made by the weight ratio of 1:3;
[0045] The fiber modifier is prepared from dodecyl dihydroxyethyl betaine and sulfated castor oil in a weight ratio of 1:1.5;
[0046] The waterproof compacting agent is made of sodium methyl silicate: silicon micropowder and magnesium oxide in a weight ratio of 1:7:2;
[0047] The coagulation accelerator is prepared from diethanol monoisopropanolamine and sodium metabisulfite at a weight ratio of 1:6.
[0048] All the other are with embodiment 1.
Embodiment 3
[0050] A fiber-reinforced cement composite board is composed of the following raw materials in weight percentage: 13% of mineral powder, 8% of steel slag powder, 7% of ground quartz powder, 4% of fiber, 0.5% of fiber modifier, and 4% of waterproof compacting agent 1.5% coagulation accelerator, 32% water, and cement as the balance;
[0051] Described fiber is that polypropylene fiber and wood fiber make by the weight ratio of 1:4;
[0052] The fiber modifier is prepared from dodecyl dihydroxyethyl betaine and sulfated castor oil in a weight ratio of 1:1.5;
[0053] The waterproof compacting agent is made of sodium methyl silicate: silicon micropowder and magnesium oxide in a weight ratio of 1:6:3;
[0054]The coagulation accelerator is prepared from diethanol monoisopropanolamine and sodium metabisulfite at a weight ratio of 1:7.
[0055] All the other are with embodiment 1.
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