Adjustable 3D printing colored cement-based mixture
A 3D printing and color cement technology, applied in the field of building materials, can solve the problems of poor operability, complex formula components, and not meeting rapid construction, and achieve the effect of improving operability, facilitating popularization and application, and meeting the needs of rapid construction.
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Embodiment 1
[0026] An adjustable 3D printing color cement-based mixture, including dry mixture and auxiliary materials, the dry mixture includes the following components by weight:
[0027] 85 parts of white cement;
[0028] 25 parts of mineral powder;
[0029] 0.3 parts of cellulose ether;
[0030] 0.2 parts of fiber;
[0031] 2 parts of pigment;
[0032] 65 parts of medium sand;
[0033] The auxiliary material and the dry mixture are mixed in a mass ratio of 2:3 to prepare an adjustable 3D printing color cement-based mixture.
[0034] In this embodiment, preferably, the auxiliary material includes a stabilizer.
[0035] In this embodiment, preferably, the white cement is white Portland cement, the whiteness of the white cement is 90, and the initial setting time of the white cement is 47 minutes.
[0036] In this embodiment, preferably, the 7d activity index of the mineral powder is 96.5%, and the content of SO3 in the mineral powder is 8%.
[0037] In this embodiment, preferably...
Embodiment 2
[0044] An adjustable 3D printing color cement-based mixture, including dry mixture and auxiliary materials, the dry mixture includes the following components by weight:
[0045] 200 parts of white cement;
[0046] 80 parts of mineral powder;
[0047] 0.42 parts of cellulose ether;
[0048] 0.3 parts of fiber;
[0049] 2 parts of pigment;
[0050] 95 parts of medium sand;
[0051] The auxiliary material and the dry mixture are mixed in a mass ratio of 2:3 to prepare an adjustable 3D printing color cement-based mixture.
[0052] In this embodiment, preferably, the auxiliary material includes a thixotropic agent.
[0053] In this embodiment, preferably, the white cement is white Portland cement, the whiteness of the white cement is 96, and the initial setting time of the white cement is 49 minutes.
[0054] In this embodiment, preferably, the 7d activity index of the mineral powder is 99%, and the content of SO3 in the mineral powder is 8%.
[0055] In this embodiment, pre...
Embodiment 3
[0062] An adjustable 3D printing color cement-based mixture, including dry mixture and auxiliary materials, the dry mixture includes the following components by weight:
[0063] 50 parts of white cement;
[0064] 10 parts of mineral powder;
[0065] 0.09 parts of cellulose ether;
[0066] Fiber 0.01 part;
[0067] 1 part of pigment;
[0068] 60 parts of medium sand;
[0069] The auxiliary material and the dry mixture are mixed in a mass ratio of 2:3 to prepare an adjustable 3D printing color cement-based mixture.
[0070] In this embodiment, preferably, the auxiliary material includes an early-strength dose.
[0071] In this embodiment, preferably, the white cement is white Portland cement, the whiteness of the white cement is 92, and the initial setting time of the white cement is 60 minutes.
[0072] In this embodiment, preferably, the 7d activity index of the mineral powder is 97%, and the content of SO3 in the mineral powder is 9%.
[0073]In this embodiment, prefer...
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