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Shrinkage-warping-resistant ASA 3D printing material and preparation method thereof

A printing material and anti-shrinkage technology, applied in the direction of additive processing, etc., can solve problems such as physical and mental health of operators that affect the forming accuracy of parts, shrinkage and warpage of materials, etc., to reduce molecular chain peristalsis, reduce surface tension, and improve thermal stability. sexual effect

Pending Publication Date: 2021-06-25
LIMING VOCATIONAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, during the molding process of this material by 3D printing technology, due to the open molding of the 3D printer and the continuous high-temperature heating of the nozzle, the material is prone to shrinkage and warping, and irritating organic volatiles are released, which seriously affects the molding accuracy of the part. and the physical and mental health of the operator

Method used

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  • Shrinkage-warping-resistant ASA 3D printing material and preparation method thereof

Examples

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Effect test

Embodiment 1

[0025] A kind of anti-shrinkage warping ASA 3D printing material, the components are calculated by weight percentage: ASA resin 70%, HIPS resin 15%, organicized montmorillonite 5% (the layer spacing of organicized montmorillonite in this embodiment Preferred is 2.4 nm), acrylonitrile-butadiene-styrene grafted maleic anhydride 5%, zinc stearate 2%, antioxidant 1010 1% and stearic acid 2%.

[0026] A method for preparing an ASA 3D printing material resistant to shrinkage and warpage, comprising the following steps:

[0027] (1) ASA resin, HIPS resin, organic montmorillonite, acrylonitrile-butadiene-styrene grafted maleic anhydride, zinc stearate and antioxidant 1010 were vacuum-dried respectively, and each group after drying The parts are weighed according to the following weight percentage ratio: a kind of anti-shrinkage and warping ASA3D printing material, the components are calculated by weight percentage: ASA resin 70%, HIPS resin 15%, organic montmorillonite 5%, acrylonitri...

Embodiment 2

[0033] A kind of anti-shrinkage warping ASA 3D printing material, the components are calculated by weight percentage: ASA resin 65%, HIPS resin 20%, organicized montmorillonite 6% (the layer spacing of organicized montmorillonite in this embodiment Preferably 3.5nm), acrylonitrile-butadiene-styrene grafted glycidyl methacrylate 6%, calcium stearate 1%, antioxidant 168 1% and liquid paraffin 1%.

[0034] A method for preparing an ASA 3D printing material resistant to shrinkage and warpage, comprising the following steps:

[0035] (1) ASA resin, HIPS resin, organic montmorillonite, acrylonitrile-butadiene-styrene grafted glycidyl methacrylate, calcium stearate and antioxidant 168 are vacuum-dried respectively, and after drying The components are weighed according to the following weight percentage ratio: an anti-shrinkage and warping ASA 3D printing material, the components are calculated by weight percentage: ASA resin 65%, HIPS resin 20%, organic montmorillonite 6% , acryloni...

Embodiment 3

[0041]A kind of anti-shrinkage warping ASA 3D printing material, the components are calculated by weight percentage: ASA resin 75%, HIPS resin 12%, organicized montmorillonite 7% (the layer spacing of organicized montmorillonite in this embodiment Preferred are 3.8 nm) styrene, grafted glycidyl methacrylate 4%, magnesium stearate 0.5%, antioxidant CA 0.5% and polyethylene wax 1%.

[0042] A method for preparing an ASA 3D printing material resistant to shrinkage and warpage, comprising the following steps:

[0043] (1) ASA resin, HIPS resin, organic montmorillonite, styrene-grafted glycidyl methacrylate and magnesium stearate were vacuum-dried respectively, and each component after drying was weighed according to the following weight percentage ratio : An anti-shrinkage and warping ASA 3D printing material, the components are calculated by weight percentage: ASA resin 75%, HIPS resin 12%, organic montmorillonite 7%, styrene grafted glycidyl methacrylate 4 %, magnesium stearate...

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Abstract

The invention discloses a shrinkage-warping-resistant ASA 3D printing material. ASA resin is used as a raw material, and HIPS, organic montmorillonite, a compatilizer, a heat stabilizer, an antioxidant and a lubricant are added; and the prepared 3D printing material has excellent shrinkage warping resistance, mechanical properties and weather resistance, and is especially suitable for 3D printing in the engineering field. In addition, the invention further discloses a preparation method of the 3D printing material, and the prepared ASA 3D printing material is low in shrinkage warping rate.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and in particular relates to an anti-shrinkage and warpage ASA 3D printing material and a preparation method thereof. Background technique [0002] 3D printing technology is a method of converting a three-dimensional model into a digital code through computer slicing software, then controlling the 3D printer to execute the digital code, and finally using polymer materials or metal materials to print layer by layer. This technology has been widely used in industry Design, aerospace and education teaching and other fields. [0003] ASA resin is a polymer material composed of acrylonitrile, styrene and acrylate. This material not only has good processing performance, but also has excellent weather resistance, especially in the field of outdoor products is widely used. However, during the molding process of the material by 3D printing technology, due to the open molding of the 3D printer ...

Claims

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Application Information

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IPC IPC(8): C08L51/04C08L55/02C08L91/06C08L35/06C08L23/06C08K13/02C08K5/098C08K3/34C08K5/134C08K5/09C08K5/526B33Y70/10
CPCC08L51/04B33Y70/10C08L2205/025C08L2205/03C08L2205/035C08L55/02C08K13/02C08K5/098C08K3/346C08K5/1345C08K5/09C08L91/06C08K5/526C08L35/06C08L23/06
Inventor 黄欣茹蕉荃鹏叶辉灿张育铭
Owner LIMING VOCATIONAL UNIV
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