Supporting material for 3D printing and preparation method of supporting material

A support material, 3D printing technology, applied in the field of 3D printing, can solve the problem of inconvenient storage of 3D printing silk at room temperature, and achieve the effects of improving storage convenience, hardness and low cost

Inactive Publication Date: 2016-07-13
东莞市以祥三维科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the present invention aims at the deficiencies in the prior art, and its main purpose is to provide a support material for 3D printing and its preparation method, which can effectively solve the problem of inconvenient storage of existing 3D printing filaments at room temperature

Method used

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  • Supporting material for 3D printing and preparation method of supporting material
  • Supporting material for 3D printing and preparation method of supporting material
  • Supporting material for 3D printing and preparation method of supporting material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A support material for 3D printing, which is made of the following raw materials in parts by weight: 100 parts of polyvinyl alcohol, 2 parts of montmorillonite, 17 parts of calcium carbonate, 0.8 parts of external lubricant, and 0.6 parts of coupling agent.

[0028] During preparation, the following steps are included:

[0029] (1) First put polyvinyl alcohol and montmorillonite into a high-speed mixer and mix evenly;

[0030] (2) Add external lubricant and coupling agent in turn and mix for 15 minutes;

[0031] (3) Add calcium carbonate and mix well;

[0032] (4) Add the mixed material into the double-screw extruder and mix and granulate at 190°C;

[0033] (5) Extrude the wire drawing with a single-screw extruder.

Embodiment 2

[0035] A support material for 3D printing, which is made of the following raw materials in parts by weight: 100 parts of polyvinyl alcohol, 2.2 parts of montmorillonite, 15 parts of calcium carbonate, 0.6 part of external lubricant, and 0 part of coupling agent.

[0036] The preparation method of this embodiment is the same as that of the aforementioned first preferred embodiment, and the preparation method of this embodiment will not be described in detail here.

Embodiment 3

[0038] A support material for 3D printing, which is made of the following raw materials in parts by weight: 100 parts of polyvinyl alcohol, 3 parts of montmorillonite, 20 parts of calcium carbonate, 0.5 parts of external lubricant, and 1 part of coupling agent.

[0039] The preparation method of this embodiment is the same as that of the aforementioned first preferred embodiment, and the preparation method of this embodiment will not be described in detail here.

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Abstract

The invention discloses a supporting material for 3D printing.The supporting material is prepared from the following raw materials in parts by weight: 100 parts of polyvinyl alcohol, 2-3 parts of montmorillonoid, 15-30 parts of calcium carbonate, 0.5-1 part of an outer lubricant and 0-1 part of a coupling agent.The material prepared from the formula can be dissolved in water at normal temperature, 3D printing extruded wires are fine and smooth and can be used as the supporting material, and can also be used for independent printing, cost is low, hardness is improved, storage convenience at normal temperature is improved, namely, the supporting material is not required to be packaged under vacuum when stored at normal temperature, and adhesion is avoided when the supporting material sucks water in air.

Description

technical field [0001] The invention relates to the technology in the field of 3D printing, in particular to a support material for 3D printing and a preparation 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. 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. [0003] ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L29/04C08K13/02C08K3/34C08K3/26B33Y70/00
CPCC08K3/26C08K3/346C08K13/02C08K2003/265C08L2203/12C08L29/04
Inventor 简宽容
Owner 东莞市以祥三维科技有限公司
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