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PBS/carbon material composite wire material for 3D printing

A composite wire, 3D printing technology, applied in the direction of additive processing, etc., can solve the problems of unsuitable 3D printers for children, operator burns, no reports, etc., to achieve excellent mechanical properties, low printing temperature, and broad application prospects Effect

Inactive Publication Date: 2017-09-12
HEILONGJIANG XINDA ENTERPRISE GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Polylactic acid (PLA) is the most widely used polymer material with biodegradability and biocompatibility in FDM technology. However, when PLA is used for 3D printing, the temperature of the nozzle is generally around 230°C, and the energy consumption is high, which is easy to cause Operators are scalded and are not suitable for 3D printers for children. Therefore, the development of new 3D printing materials that are as biodegradable and biocompatible as PLA and can be printed at a lower temperature has become a research hotspot.
[0005] Polybutylene succinate (PBS), also known as polybutylene succinate or polybutylene succinate, has a melting point of 105°C, a crystallization temperature of about 61°C, and a relative crystallinity of 40-60%. It is a semi-crystalline resin with complete biodegradability and good processing performance. At present, it can be used in catering utensils, daily necessities, agricultural materials, biomedical polymer materials, food and drug packaging materials, etc., but directly PBS materials for 3D printing have not yet been reported

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] 1. A PBS / carbon material composite wire for 3D printing, characterized in that: according to the weight percentage formula:

[0032] PBS 92.8

[0033] Carbon nanotubes 5

[0034] Toluene diisocyanate 0.2

[0035] Trihydroxymethylpropane trimethacrylate 0.2

[0036] Calcium carbonate 0.3

[0037] Stearic acid 0.5.

[0038] 2. A method for preparing a PBS / carbon material composite wire for 3D printing, comprising the steps of:

[0039] A. Dry the PBS in a vacuum oven at 80°C for 12 hours;

[0040] B. According to the formula in step 1, weigh the dried PBS, carbon nanotubes, toluene diisocyanate, trihydroxymethylpropane trimethacrylate, calcium carbonate, 1010, stearic acid;

[0041] C. Place the weighed components in a high-speed kneader, keep the rotating speed at 5000rpm / min, and stir at high speed for 20min;

[0042] D. Add uniformly mixed PBS, carbon nanotubes, toluene diisocyanate, trihydroxymethylpropane trimethacrylate, calcium carbonate, 1010, and stearic a...

Embodiment 2

[0046] 1. A PBS / carbon material composite wire for 3D printing, characterized in that: according to the weight percentage formula:

[0047] PBS 88

[0048] Graphene 10

[0049] Trihydroxymethylpropane trimethacrylate 0.3

[0050] Montmorillonite 1

[0051] 1680.3

[0052] EBS0.3.

[0053] 2. A method for preparing a PBS / carbon material composite wire for 3D printing, comprising the steps of:

[0054] A. Dry the PBS in a vacuum oven at 80°C for 12 hours;

[0055] B. According to the formula of step 1, weigh the dried PBS, graphene, pyromellitic anhydride, trihydroxymethylpropane trimethacrylate, montmorillonite, 168, EBS;

[0056]C. Place the weighed components in a high-speed kneader, keep the rotating speed at 4000rpm / min, and stir at high speed for 15min;

[0057] D. Add uniformly mixed PBS, graphene, pyromellitic anhydride, trihydroxymethylpropane trimethacrylate, montmorillonite, 168, and EBS to the feeding port of the three-screw extruder, and the three-screw extru...

Embodiment 3

[0061] 1. A PBS / carbon material composite wire for 3D printing, characterized in that: according to the weight percentage formula:

[0062] PBS 95

[0063] carbon fiber 3

[0064] Diphenylmethane diisocyanate 0.3

[0065] Trihydroxymethylpropane Triacrylate 0.4

[0066] Lanthanum cyclic phosphate 0.5

[0067] 6260.3

[0068] White oil 0.5.

[0069] 2. A method for preparing a PBS / carbon material composite wire for 3D printing, comprising the steps of:

[0070] A. Dry the PBS in a vacuum oven at 80°C for 12 hours;

[0071] B. According to the formula of step 1, weigh the dried PBS, carbon fiber, diphenylmethane diisocyanate, trihydroxymethylpropane triacrylate, lanthanum phosphate, 626, white oil;

[0072] C. Place the weighed components in a high-speed kneader, keep the rotating speed at 4500rpm / min, and stir at high speed for 20min;

[0073] D. Add uniformly mixed PBS, carbon fiber, diphenylmethane diisocyanate, trihydroxymethylpropane triacrylate, lanthanum cyclic ph...

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Abstract

The invention discloses a PBS / carbon material composite wire material for 3D printing, and a preparation method thereof. The technical scheme of the invention is that the components of the formula comprise, by weight, 70-80 parts of PBS, 2-50 parts of a carbon material 0.1-0.5 part of a chain extender, 0.1-0.5 part of a cross-linking agent, 0.1-2 parts of a nucleating agent, 0.1-0.5 part of a heat stabilizer, 0.2-1 part of an antioxidant, and 0.2-1 part of a lubricant. According to the present invention, the polymer material for 3D printing is prepared by using the completely degraded biological material poly(butylene succinate) (PBS), has advantages of low printing temperature, good tensile strength and good flexibility compared to the traditional polylactic acid (PLA) wire material, is suitable for a variety of 3D molding technologies, and has wide application prospects in the 3D printing field.

Description

technical field [0001] The invention belongs to a PBS / carbon material composite wire used for 3D printing and a preparation method thereof. Background technique [0002] 3D printing technology, that is, additive manufacturing technology, together with robotics and artificial intelligence technology, is known as the key technology to promote the third industrial revolution. 3D printing technology is a rapid additive manufacturing technology that generates three-dimensional entities by adding materials layer by layer. Compared with traditional subtractive manufacturing technology, it has the characteristics of low loss, intelligent, precise and efficient product manufacturing. Especially in the field of high-end manufacturing involving complex shapes, 3D printing technology has shown great advantages. [0003] According to the principle of printing technology and the different materials used, 3D printing technology can be divided into laser cladding forming technology (LCF), ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/02C08L91/06C08K13/04C08K7/06C08K7/24C08K3/04B29C47/92B33Y70/00B29C48/92
CPCC08K13/04B29C48/92B29C2948/9258B29C2948/92704C08K3/04C08K7/24C08K2201/011C08L67/02C08L2201/06C08L91/06C08K7/06
Inventor 隋尊阳刘刚谢众
Owner HEILONGJIANG XINDA ENTERPRISE GRP
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