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Composite retarder for three-dimensional (3D) house printing paste

A composite retarder, 3D printing technology, applied in the field of building materials, can solve problems such as difficulty in production, and achieve the effects of reducing internal temperature rise, reducing temperature stress, and delaying temperature peaks

Inactive Publication Date: 2017-02-01
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

Not to mention that the use of glass fiber is prohibited by some countries due to its environmental protection issues. The accuracy, efficiency and cost of this technology must be strictly calculated. Therefore, the current domestic 3D printing construction market is still in the model stage, and it is difficult to officially put it into production.

Method used

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  • Composite retarder for three-dimensional (3D) house printing paste
  • Composite retarder for three-dimensional (3D) house printing paste

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A composite retarder for 3D printing house slurry, which consists of the following raw materials in parts by weight: 15 parts of citric acid, 25 parts of boric acid, 5 parts of quicklime, 5 parts of stearic acid and 10 parts of sodium methylene dinaphthalene sulfonate share.

[0022] The present invention also provides a method for using the composite retarder for 3D printing house slurry, when in use, its mass ratio to the cementitious material is 0.5:100; the cementitious material is quick-hardening sulfur aluminum salt cement.

Embodiment 2

[0024] A composite retarder for 3D printing house slurry, which consists of the following raw materials in parts by weight: 35 parts of citric acid, 45 parts of boric acid, 15 parts of quicklime, 10 parts of stearic acid and 25 parts of sodium methylene dinaphthalene sulfonate share.

[0025] The present invention also provides a method for using the composite retarder for 3D printing house slurry. When in use, its mass ratio to the gelling material is 1.5:100; the gelling material is low-alkalinity sulfur aluminate cement.

Embodiment 3

[0027] A composite retarder for 3D printing house slurry, which consists of the following raw materials in parts by weight: 25 parts of citric acid, 30 parts of boric acid, 10 parts of quicklime, 8 parts of stearic acid and 15 parts of sodium methylene dinaphthalene sulfonate share.

[0028] The present invention also provides a method for using the composite retarder for 3D printing house slurry. When in use, its mass ratio to the gelling material is 1.0:100; the gelling material is high iron sulfoaluminic acid salt cement.

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Abstract

The invention belongs to the technical field of building materials, and in particular relates to a composite retarder for three-dimensional (3D) house printing paste, and a use method of the composite retarder. The composite retarder for the 3D house printing paste is prepared from the following raw materials in parts by weight: 15-35 parts of citric acid, 25-45 parts of boric acid, 5-15 parts of quick lime, 5-10 parts of stearic acid and 10-25 parts of sodium methylene bis-naphthalene sulphonate. The composite retarder for the 3D house printing paste can prolong the initial setting time of a cementing material by 30-100min and prolong the final setting time of the cementing material by 20-80min; the composite retarder for the 3D house printing paste can reduce the temperature rise in a cementing material product and delay the emergence of a temperature peak, thus reducing the temperature stress of the product and improving crack resistance; after the composite retarder for the 3D house printing paste is used, the cementing material can be saved by 10-20%, so that the production cost is greatly lowered.

Description

technical field [0001] The invention belongs to the technical field of building materials, and in particular relates to a composite retarder for 3D printing house slurry and a use method thereof. Background technique [0002] 3D printing (3DP) 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. [0003] 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, firea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B24/20C04B103/22
CPCC04B40/0039C04B2103/22C04B24/06C04B22/0013C04B22/064C04B24/085C04B24/20C04B7/32
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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