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High-toughness 3D printing paraffin forming material and preparation method thereof

A technology of 3D printing and forming materials, applied in the direction of additive processing, etc., can solve the problems that restrict the application and development of 3D printing technology, achieve excellent comprehensive performance, improve hardness and strength, and improve the effect of impact toughness

Active Publication Date: 2016-11-16
佛山市晗宇科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The demand for 3D printing technology in various manufacturing industries is also increasing, but because there is no mature production technology for paraffin molding materials in China, paraffin molding materials can only be imported from foreign countries, which has always restricted the application and development of 3D printing technology in other industries

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A high-toughness 3D printing paraffin molding material, its raw material components are as follows by mass percentage:

[0031] Vegetable wax 50%;

[0032] Beeswax 3%;

[0033] Epoxy resin 5%;

[0034] Xylylenediamine 2%;

[0035] Viscosity modifier 7%;

[0036] toughening polymer 20%;

[0037] Polystyrene 6%;

[0038] Eutectic alloy 4%;

[0039] Dye 0.1%;

[0040] Phase transfer agent 2.9%;

[0041] Among them, the softening temperature of the epoxy resin is lower than 60°C; the viscosity regulator is a mixture of polyethylene wax and oxidized polyethylene wax; the toughening polymer is low-density polyethylene, polytetrafluoroethylene, polyethylene terephthalate The mixture of ester and polyvinyl chloride; the dye is a mixture of oil soluble blue 105 and Cody B-134; the phase transfer agent is a mixture of Tween 60, Tween 80 and 18-crown ether-6.

[0042] Preparation:

[0043] (1) Add vegetable wax, beeswax, epoxy resin, toughening polymer and polystyrene to...

Embodiment 2

[0047] A high-toughness 3D printing paraffin molding material, its raw material components are as follows by mass percentage:

[0048] Paraffin 30%;

[0049] Beeswax 5%;

[0050] Epoxy resin 7%;

[0051] m-phenylenediamine 3%;

[0052] Viscosity modifier 3%;

[0053] toughened polymer 30%;

[0054] High hardness polymer 15%;

[0055] Eutectic alloy 2.7%;

[0056] Cody BL05 0.3%;

[0057] Phase transfer agent 4%.

[0058] Among them, the softening temperature of the epoxy resin is lower than 60°C; the paraffin wax is a mixture of wood wax and Fischer-Tropsch wax; the viscosity regulator is a mixture of polypropylene wax and Sasol wax; the toughening polymer is poly-1-butene, polypropylene , a mixture of cellulose acetate and polycarbonate; the high-hardness polymer is a mixture of polymethacrylate and styrene-acrylonitrile; the phase transfer agent is Tween 20, Tween 21, Tween 40, and Tween 61 , Tween 80, Tween 85 and a mixture of 15-crown ether-5.

[0059] Preparatio...

Embodiment 3

[0064] A high-toughness 3D printing paraffin molding material, its raw material components are as follows by mass percentage:

[0065] Paraffin 34%;

[0066] Beeswax 2%;

[0067] Epoxy resin 5%;

[0068] Xylylenediamine 2%;

[0069] Viscosity modifier 2%;

[0070] toughened polymer 24%;

[0071] High hardness polymer 25%;

[0072] Eutectic alloy 3%;

[0073] Dye 0.2%;

[0074] Tween 40 2.8%.

[0075] Among them, the softening temperature of the epoxy resin is lower than 60°C; the paraffin wax is a mixture of wood wax, Fischer-Tropsch wax and vegetable wax; the viscosity modifier is a mixture of polyethylene wax, oxidized polyethylene wax, polypropylene wax and Sasol wax; Tough polymers are blends of low-density polyethylene, poly-1-butene, cellulose acetate, and polycarbonate; high-hardness polymers are blends of polystyrene, polymethacrylate, and styrene-acrylonitrile; dyes It is a mixture of Oil Melt Blue 105, Cody B-134 and Cody BL05.

[0076] Preparation:

[007...

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Abstract

The invention discloses a high-toughness 3D printing paraffin forming material. The high-toughness 3D printing paraffin forming material is prepared from components of raw materials in percentage by mass as follows: 30%-50% of paraffin, 2%-5% of bee wax, 5%-10% of epoxy resin, 2%-3% of a curing agent, 2%-20% of a viscosity modifier, 20%-30% of a toughening polymer, 6%-25% of a high-hardness polymer, 2%-4% of a filling material, 0.1%-0.3% of dyes and 2%-4% of a phase transferring agent. The bee wax is added to physically modify a paraffin support material, and the impact toughness of the paraffin support material is effectively improved; meanwhile, epoxy resin and the corresponding curing agent are added, and the adding quantity of the epoxy resin and the adding quantity of the corresponding curing agent are adjusted, so that the bonding strength of the paraffin support material and a 3D printing product interface is moderate while the hardness and the strength of the paraffin support material are improved and the shrinkage is reduced, and the paraffin support material is easy to peel off, doesn't deform and doesn't affect the support function on the 3D printing product in the printing process when removed in the later period. The toughening polymer and the high-hardness polymer are added to the paraffin support material, the needle penetration of the material can be effectively reduced, the toughness of the material is improved, and the high-toughness 3D printing paraffin forming material has excellent overall properties.

Description

technical field [0001] The invention relates to a paraffin support material, in particular to a high-toughness 3D printing paraffin molding material and a preparation method thereof. Background technique [0002] Fused Deposition Modeling (FDM—Fused Deposition Modeling) method is one of the 3D printing rapid prototyping technologies. This method uses filamentous materials (paraffin, metal, plastic, low melting point alloy wire) The material is heated to slightly higher than the melting temperature (about 1°C higher than the melting point), under the control of the computer, the nozzle moves in the x-y plane, and the molten material is coated on the workbench, and a layer of cross-section of the workpiece is formed after cooling. After the layer is formed, the nozzle moves up to the height of the layer to coat the next layer, so that the three-dimensional workpiece is formed layer by layer. It can directly accept product design (CAD) data without preparing any molds, cutting...

Claims

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Application Information

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IPC IPC(8): C08L91/06C08L63/00C08L23/06C08L27/18C08L67/02C08L27/06C08L25/06C08K3/08C08L23/20C08L23/12C08L1/12C08L69/00C08L33/12C08L25/12B33Y70/00
CPCB33Y70/00C08L91/06C08L2205/025C08L2205/035C08L2207/066C08L63/00C08L23/06C08L27/18C08L67/02C08L27/06C08L25/06C08K3/08
Inventor 张春裕韩聪姚日进
Owner 佛山市晗宇科技有限公司
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