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Support material capable of being used for 3D printing and preparation method thereof

A supporting material and 3D printing technology, applied in the direction of additive processing, etc., can solve problems such as collapse, poor compatibility, product warping, etc., achieve good compatibility and bonding strength, and overcome the effect of product warping

Inactive Publication Date: 2016-09-07
HEILONGJIANG XINDA ENTERPRISE GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, the commonly used PVA water-soluble support material has a large number of hydroxyl groups in its molecular structure, showing strong hydrophilicity, so it has good water solubility; but it is compatible with PLA, ABS, nylon and other oil-soluble printing materials. Poor performance, it is difficult to form a good bond to the printing material, and the product is prone to warping, bending or even collapse during the printing process

Method used

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  • Support material capable of being used for 3D printing and preparation method thereof
  • Support material capable of being used for 3D printing and preparation method thereof
  • Support material capable of being used for 3D printing and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A support material that can be used for 3D printing. The support material is mainly composed of a matrix material with a content of 90 wt.% and a water-soluble material with a content of 10 wt.%. The matrix material mainly provides the strength required for the support material; the water-soluble material mainly provides the support material. water solubility.

[0030] Base materials are thermoplastic materials such as ABS, PLA, polyoxymethylene, polyethylene, polypropylene, polycarbonate, polymethyl methacrylate, nylon, polystyrene, polyvinyl chloride; water-soluble materials are polyvinyl alcohol, polyethylene oxide and other water-soluble polymers.

[0031] A kind of preparation method that can be used for the support material of 3D printing described above, its specific steps are as follows:

[0032] (1). Firstly, dry the base material and water-soluble material separately, the drying temperature is above 100°C, and the drying time is 2-12 hours;

[0033] (2). Twi...

Embodiment 2

[0037] A support material that can be used for 3D printing. The support material is mainly composed of four parts: matrix material, soluble material, compatibilizer and filler. The weight percentage of each component is: matrix material content 10 wt.%, water soluble The material content is 15 wt.%, the compatibilizer content is 25 wt.%, and the filler content is 50 wt.%. The matrix material mainly provides the strength required for the support material; the water-soluble material mainly provides the water solubility of the support material; the compatibilizer is mainly used for Improve the compatibility between the matrix material and the soluble material of the material, and improve the processability; the filler is mainly used to increase the overall strength and modulus of the support material while reducing the cost.

[0038] A kind of preparation method that can be used for the support material of 3D printing described above, its specific steps are as follows:

[0039] (...

Embodiment 3

[0044] A support material that can be used for 3D printing. The support material is mainly composed of four parts: matrix material, soluble material, compatibilizer and filler. The weight percentage of each component is: matrix material content 5 wt.%, water soluble The material content is 90 wt.%, the compatibilizer content is 3 wt.%, and the filler content is 2 wt.%. The matrix material mainly provides the strength required for the support material; the water-soluble material mainly provides the water solubility of the support material; the compatibilizer is mainly used for Improve the compatibility between the matrix material and the soluble material of the material, and improve the processability; the filler is mainly used to increase the overall strength and modulus of the support material while reducing the cost.

[0045] A kind of preparation method that can be used for the support material of 3D printing described above, its specific steps are as follows:

[0046] (1)....

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Abstract

The invention belongs to the field of novel materials, and particularly relates to a support material capable of being used for 3D printing and a preparation method thereof. The support material is prepared from, by weight, 10%-90% of a base material, 10%-90% of a water-soluble material, 0%-25% of a compatilizer and 0%-50% of packing. The support material capable of being used for 3D printing and the preparation method thereof are designed and developed for overcoming the defects existing in the prior art, and the support material which has the good cohesiveness with PLA matrix resin and can be dissolved into water is prepared.

Description

technical field [0001] The invention belongs to the field of new materials, and in particular relates to a support material which can be used for 3D printing and a preparation method thereof. Background technique [0002] 3D printing, also known as additive manufacturing, is a type of rapid prototyping technology. It is a direct manufacturing technology based on digital model files, which can manufacture three-dimensional solids of almost any shape. 3D printing uses bondable materials such as powdered metal or plastic to construct objects by stacking and accumulating layer by layer, that is, "layer-by-layer manufacturing". 3D printing differs from traditional machining techniques, which are usually achieved using cutting or drilling techniques (i.e. subtractive processes). Compared with the traditional subtractive process, the advantage of 3D printing technology is: fast speed. One-time completion rather than step-by-step optimization, the product shape has more room for ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L55/02C08L67/04C08L59/00C08L23/06C08L23/12C08L69/00C08L33/12C08L77/00C08L25/06C08L27/06C08L29/04C08L71/02C08L25/10C08L23/08C08K3/26C08K3/22C08K3/36C08K3/34B29C47/92B33Y70/00B29C48/92
CPCC08L55/02B29C48/92B33Y70/00C08L23/06C08L23/0884C08L23/12C08L25/06C08L25/10C08L27/06C08L29/04C08L33/12C08L59/00C08L67/04C08L69/00C08L71/02C08L77/00C08L2205/03C08L2205/035C08L2205/08C08K2003/265C08K2003/267C08K2003/2241C08K3/36C08K3/346C08K2003/2296C08K2003/2227C08K2003/222
Inventor 刘刚
Owner HEILONGJIANG XINDA ENTERPRISE GRP
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