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High strength fused deposition material with ceramic texture and preparation method thereof

A technology of fused deposition and fused deposition molding, which is applied in the field of high-strength fused deposition materials and its preparation, and can solve problems such as cracking, insufficient adhesion, and product warping

Inactive Publication Date: 2019-10-15
JINYOUNG XIAMEN ADVANCED MATERIALS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, materials such as PET and PBT are not suitable for fused deposition molding. During the printing process, these materials will melt to solidify and crystallize, which will cause warping of the printed product and insufficient adhesion between layers, resulting in cracking phenomenon

Method used

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  • High strength fused deposition material with ceramic texture and preparation method thereof
  • High strength fused deposition material with ceramic texture and preparation method thereof
  • High strength fused deposition material with ceramic texture and preparation method thereof

Examples

Experimental program
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Effect test

preparation example Construction

[0046] The present invention also provides a method for preparing the high-strength fused deposition material with ceramic texture, comprising the following steps:

[0047] Composite material particle preparation steps: take by weighing the resin below 0.15wt% moisture content, high-density mineral, the toughening agent below 0.15wt% moisture content, coupling agent, heat stabilizer, antioxidant and lubricant; Place them in a high-speed kneader respectively, keep the rotating speed at 3000-4000rpm / min, and stir at a high speed for 10-25min to obtain the mixture; add the mixture to the feed port of the twin-screw extruder, and the parameters of the twin-screw extruder are: temperature in the first zone 120-180℃, the temperature in the second zone is 180-220℃, the temperature in the third zone is 225-230℃, the temperature in the fourth zone is 230-240℃, the temperature in the fifth zone is 220-240℃, the temperature in the sixth zone is 220-240℃, the temperature in the seventh zon...

Embodiment 1

[0053] Example 1: Preparation of high-strength fused deposition material with ceramic texture

[0054] Raw materials: see Table 1.

[0055] Preparation:

[0056] (1) Take resin, high-density mineral, toughening agent, coupling agent, antioxidant, light stabilizer, lubricant by weight percentage;

[0057] (2) adding all the materials in the step (1) to a high-speed mixer for high-speed stirring and mixing to obtain a premix;

[0058] (3) The premix obtained in step (2) is added into the parallel twin-screw extruder from the main feeding hopper, so that all the component materials are sheared, melted, blended and extruded in the parallel twin-screw extruder, wherein the twin-screw The processing temperature of the extruder is 140 in the first zone, 200 in the second zone, 220 in the third zone, 220 in the fourth zone, 230 in the fifth zone, 230 in the sixth zone, 240 in the seventh zone, and 200°C for the die;

[0059] (4) cooling, drying, and pelletizing the strands coming o...

Embodiment 2

[0070] Example 2: Preparation of high-strength fused deposition material with ceramic texture

[0071] Raw materials: see Table 1.

[0072] Preparation method: with embodiment 1.

[0073] Effect verification: see Table 2.

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Abstract

The invention discloses a high strength fused deposition material with ceramic texture and a preparation method thereof. The material comprises the following components: 20-40 parts of resin; 50-70 parts of a high density mineral; 1-10 parts of a toughening agent; 0.5-8 parts of a coupling agent; 0.2-0.5 part of an antioxidant; 0.2-0.5 part of a light stabilizer; and 0.2-0.5 part of a lubricant. The high strength fused deposition material with ceramic texture provided by the invention has good strength, and when the material is used for printing, no head plugging or filament breaking phenomenon appear in the printing process, and the printed product has the characteristics of fine appearance, soft texture and easy molding, and is rich in ceramic texture.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a high-strength fused deposition material with ceramic texture and a preparation method thereof. Background technique [0002] With the continuous upgrading of information technology, new molding methods that combine material manufacturing and computer technology will gradually become the "new favorite" of this era, and 3D printing technology that has sparked a global boom is one of them. 3D printing (3Dimension printing), also known as additive manufacturing (Additive Manufacturing, AM), is based on computer model design, material processing and molding technology and digital model files, and polymer materials (such as polylactic acid, ABS, etc.) , PA, etc.), metal materials (such as aluminum, titanium alloys, stainless steel, etc.), inorganic non-metallic materials (such as ceramics, cement, etc.) , thus making the physical item. Compared with the traditional manufa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B26/18C04B26/06C04B26/20B29C48/05B29B9/06B41M5/00
CPCB29B9/06B41M5/007B29C48/05C04B26/06C04B26/18C04B26/20C04B2111/00181C04B2201/20C04B2201/50C04B14/30C04B24/282C04B24/42C04B24/40C04B24/02C04B24/003C04B24/121C04B24/128C04B24/085C04B24/124C04B14/04C04B24/2611C04B24/283
Inventor 池哲明申应军高翔刘荣亮张丰
Owner JINYOUNG XIAMEN ADVANCED MATERIALS TECH CO LTD