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Low-alkalinity sulphoaluminate cement gel material for house 3D printing

A technology of sulfoaluminate cement and cementitious materials, applied in the direction of additive processing, etc., can solve problems such as the inability to meet the needs of 3D printing houses, and achieve good pump shape retention ability and bonding performance, good volume stability, Stable effect

Inactive Publication Date: 2017-02-08
ZHUODA NEW MATERIALS TECH GRP WEIHAI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a low-alkalinity sulfoaluminate cement cementitious material for 3D printing houses, so as to overcome the shortcomings that the existing cementitious materials cannot meet the needs of 3D printed houses

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A low-alkalinity sulphoaluminate cement cementitious material for 3D printing houses, in parts by weight, the cementitious material is mainly prepared from the following raw materials: 60 parts of low-alkalinity sulphoaluminate cement, inorganic powder 15 parts of material, 8 parts of alkali-resistant glass fiber, 15 parts of calcium carbonate, 5 parts of water reducing agent, 6 parts of coagulation accelerator, 5 parts of retarder, 8 parts of metakaolin, 3 parts of Glauber's salt and 15 parts of modifier.

[0023] The inorganic powder is fly ash.

[0024] In parts by weight, the water reducer is mainly prepared from the following raw materials: 20 parts of calcium lignosulfonate, 4 parts of trehalose, 11 parts of silicone powder, 4 parts of shale ash, sodium polynaphthaldehyde sulfonate 22 parts of salt, 3 parts of sodium fluorosilicate and 5 parts of silicone.

[0025] In parts by weight, the coagulant is mainly prepared from the following raw materials: 11 parts of ...

Embodiment 2

[0035] A low-alkalinity sulphoaluminate cement cementitious material for 3D printing houses, in parts by weight, the cementitious material is mainly prepared from the following raw materials: 50 parts of low-alkalinity sulphoaluminate cement, inorganic powder 10 parts of material, 1 part of alkali-resistant glass fiber, 10 parts of calcium carbonate, 1 part of water reducer, 1 part of coagulant accelerator, 1 part of retarder, 5 parts of metakaolin, 1 part of Glauber's salt and 5 parts of modifier.

[0036] The inorganic powder is slag powder.

[0037] In parts by weight, the water reducer is mainly prepared from the following raw materials: 10 parts of calcium lignosulfonate, 1 part of trehalose, 5 parts of silicone powder, 1 part of shale ash, sodium polynaphthaldehyde sulfonate 15 parts of salt, 2 parts of sodium fluorosilicate and 3 parts of silicone.

[0038] In parts by weight, the coagulant is mainly prepared from the following raw materials: 5 parts of lithium carbona...

Embodiment 3

[0048] A low-alkalinity sulphoaluminate cement cementitious material for 3D printing houses. The cementitious material is mainly prepared from the following raw materials in parts by weight: 70 parts of low-alkalinity sulphoaluminate cement, inorganic powder 20 parts of material, 10 parts of alkali-resistant glass fiber, 20 parts of calcium carbonate, 10 parts of water reducer, 10 parts of coagulation accelerator, 10 parts of retarder, 10 parts of metakaolin, 5 parts of Glauber's salt and 20 parts of modifier.

[0049] The inorganic powder is a mixture of fly ash and slag powder. The mass ratio of mixing is 1:1.

[0050] In parts by weight, the water reducer is mainly prepared from the following raw materials: 30 parts of calcium lignosulfonate, 5 parts of trehalose, 15 parts of silicone powder, 10 parts of shale ash, sodium polynaphthaldehyde sulfonate 30 parts of salt, 4 parts of sodium fluorosilicate and 8 parts of silicone.

[0051] In parts by weight, the coagulant is m...

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Abstract

The invention discloses a low-alkalinity sulphoaluminate cement gel material for house 3D printing. The low-alkalinity sulphoaluminate cement gel material is prepared from low-alkalinity sulphoaluminate cement, inorganic powder, alkali resistant glass fibers, calcium carbonate, a water reducer, a coagulation accelerator, a delayed coagulant, metakaolin, saltcake and a modifier. The low-alkalinity sulphoaluminate cement gel material has a reasonable formula, is prepared from easily available materials, has good material caking properties and good stability and has a good pump-out form keeping capability and bonding properties. A build prepared from the low-alkalinity sulphoaluminate cement gel material has low alkalinity, high early strength, fire prevention, flame retardation, water prevention, immersion resistance, sound absorption, sound insulation, thermal insulation, thermal insulation, good volume stability and super strong weatherability, and satisfies building 3D printing construction continuity and building strength requirements so that the building has good integral stability and use safety.

Description

technical field [0001] The invention relates to the field of building materials, in particular to a low-alkalinity sulfoaluminate cement gelling material for 3D printing houses. Background technique [0002] 3D printing (3D printing) is a kind of rapid prototyping technology. It is a technology based on digital model files and using bondable materials such as powdered metal or plastic to construct objects by layer-by-layer printing. 3D printing is usually achieved using digital technology material printers. It is often used to make models in the fields of mold manufacturing and industrial design, and is gradually used in the direct manufacture of some products. There are already parts printed using this technology. The technology has applications in jewelry, footwear, industrial design, architecture, engineering and construction (AEC), automotive, aerospace, dental and medical industries, education, geographic information systems, civil engineering, firearms, and others. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/06B33Y70/00
CPCC04B28/06B33Y70/00C04B2201/50C04B14/44C04B14/28C04B2103/302C04B2103/12C04B2103/22C04B14/106C04B22/147C04B22/0013C04B18/08C04B22/16C04B18/141C04B24/06
Inventor 杨卓舒余中华董晓楠邹阳陈展庆月
Owner ZHUODA NEW MATERIALS TECH GRP WEIHAI CO LTD
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