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High fluidity mortar for 3D printing

A high fluidity, 3D printing technology, applied in the field of 3D printing, can solve the problems of poor fluidity of printing mortar, and achieve the effects of excellent mechanical properties, environmental friendliness and fast curing speed

Inactive Publication Date: 2018-07-20
WUHU LINYI ELECTRONICS SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] With the emergence of 3D printing mortar technology, ordinary mortar can no longer meet its technical requirements, and higher requirements are put forward for the printed slurry. At present, there is a technical problem of poor fluidity in printing mortar, which needs to be solved urgently

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A high fluidity mortar for 3D printing, its raw materials include: 55g of sulfoaluminate cement, 35g of Portland cement, 50g of blast furnace slag, 8g of precipitated barium sulfate, 15g of basalt, 2g of calcium sulfate, 1g of nylon fiber, β-formazol 1.2g polycondensate of naphthalene sulfonate, 1g polyoxypropylene polyoxyethylene glyceryl ether, 1.2g cellulose ether thickener, 30g water.

Embodiment 2

[0017] A high fluidity mortar for 3D printing, its raw materials include: 75g of sulphoaluminate cement, 15g of Portland cement, 80g of blast furnace slag, 2g of precipitated barium sulfate, 35g of basalt, 1g of calcium sulfate, 3g of nylon fiber, β-formazol 0.5 g of dinaphthalene sulfonate condensation polymer, 2 g of polyoxypropylene polyoxyethylene glyceryl ether, 0.6 g of cellulose ether thickener, and 50 g of water.

Embodiment 3

[0019] A high fluidity mortar for 3D printing, its raw materials include: 65g of sulfoaluminate cement, 28g of Portland cement, 62g of blast furnace slag, 5g of precipitated barium sulfate, 18g of basalt, 1.6g of calcium sulfate, 2g of nylon fiber, β- 1g of methyl naphthalene sulfonate condensation polymer, 1.2g of polyoxypropylene polyoxyethylene glyceryl ether, 1g of cellulose ether thickener, and 35g of water.

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PUM

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Abstract

The invention discloses a high fluidity mortar for 3D printing. The mortar comprises following raw materials in parts by weight: 55 to 75 parts of sulfoaluminate cement, 15 to 35 parts of silicate cement, 50 to 80 parts of blast furnace slag, 2 to 8 parts of precipitated barium sulfate, 15 to 35 parts of basalt, 1 to 2 parts of calcium sulfate, 1 to 3 parts of nylon fiber, 0.5 to 1.2 parts of water reducer, 1 to 2 parts of antifoaming agent, 0.6 to 1.2 parts of thickening agent, and 30 to 50 parts of water. The fluidity of the mortar is good, thus the printing difficulty is reduced, the cracking and bubbling phenomenon caused by bad uniformity of materials is avoided, the mortar has excellent mechanical properties, the binding property is good, the mortar is easy for construction, at the same time, after the mortar is moulded, the curing speed is fast, and the mortar is suitable for 3D construction printing.

Description

technical field [0001] The invention relates to the technical field of 3D printing, in particular to a high-fluidity mortar for 3D printing. Background technique [0002] In recent years, 3D printing has achieved rapid development, and its application has involved many fields. In the field of construction, 3D printing technology can improve construction efficiency and save resources. 3D printing mortar is a new technology applied to concrete and mortar building construction based on 3D printing technology. Its main working principle is to pass the configured slurry through the extrusion device, under the control of 3D software, according to the pre-set In the printing process, the mountain nozzle is extruded for printing, and finally the designed components are obtained. [0003] With the emergence of 3D printing mortar technology, ordinary mortar can no longer meet its technical requirements, and higher requirements are put forward for the printed slurry. At present, ther...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/06B33Y70/00
CPCB33Y70/00C04B28/06C04B2111/00181C04B2201/50C04B7/02C04B18/142C04B14/368C04B22/143C04B16/0691C04B24/226C04B24/32C04B24/383
Inventor 吕月林
Owner WUHU LINYI ELECTRONICS SCI & TECH
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