Quickly-removable propping material for melt deposition molding and preparation method thereof

A technology of fused deposition molding and supporting materials, which is applied in the field of 3D printing technology and plastic processing, can solve the problems of damage to the surface smoothness of printed parts, cannot be removed very conveniently and quickly, and reduce the polarity of polyvinyl alcohol materials, etc., to achieve large Large-scale promotion of production, low requirements for process conditions and production equipment, and enhanced mechanical properties
CN105585804AActive Publication Date: 2016-05-18西安泰辉机械科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
西安泰辉机械科技有限公司
Publication Date
2016-05-18

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Abstract

The invention discloses a quickly-removable propping material for melt deposition molding and a preparation method thereof. The propping material contains 100 parts of polyvinyl alcohol, 5-20 parts of acid, 5-20 parts of alkali, 25-40 parts of plasticizer, 0.1-2 parts of antioxidant and 0.1-10 parts of filler aid. The acid and alkali in the propping material can quickly react to generate gas when contacting water, so that the propping material can be disintegrated and pulverized, thereby accelerating the dissolution; and thus, the propping material can be completely removed within a short time (40 minutes). Meanwhile, the propping material can be removed without any strongly-acidic or strongly-alkaline water solution, can be quickly removed in common tap water, and thus, can not cause physical injury to the operating personnel. The added acid and alkali can enhance the mechanical properties of the propping material, and can further enhance the processability of the polyvinyl alcohol wire under the synergistic action of the plasticizer.
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Description

technical field

[0001] The invention relates to a fast-removing supporting material for fused deposition molding and a preparation method thereof, and relates to the fields of 3D printing technology and plastic processing. Background technique

[0002] 3D printing technology, also known as additive manufacturing technology, is a technology that uses bondable materials such as powdered metal or plastic to construct objects by layer-by-layer printing based on digital model files. 3D printing technology has been applied in many fields such as information technology, material science, and precision machinery, and it is becoming more and more competitive in today's manufacturing industry, so it is called "manufacturing technology with industrial revolution significance". At present, 3D printing technologies include fused deposition modeling, selective laser sintering, stereolithography and other technologies. Among them, Fused Deposition Molding (Fused Deposition Molding, FDM) i...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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