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Low-melting-point resin material for three-dimensional printer and manufacturing method of low-melting-point resin material

A technology of 3D printers and resin materials, applied in the direction of additive processing, etc., which can solve problems that do not involve melting point temperature

Active Publication Date: 2015-06-10
PRINT RITE UNICORN IMAGE PROD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The Chinese invention patent application with the application number CN201410139306.5 discloses a polymer powder for 3D printing and its preparation method. The components mainly include main body molding resin, adhesive resin and composite resin. This technical solution The purpose of the invention is to provide suitable flexible human medical implant materials and medical device products, but it does not involve technical improvements in melting point temperature

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0029] The present embodiment adopts the styrene-acrylic resin of 45 parts by weight, the first polyester resin of 25 parts by weight, the second polyester resin of 30 parts by weight, the wax of 4 parts by weight and the carbon black additive of 7 parts by weight, at normal temperature Put it in a high-speed mixing mixer, stir and mix it for 5 minutes, melt and knead it through a single-screw reciprocating extruder at 140 ° C, and cool it quickly, then pulverize it through a pulverizer to obtain a particle size of 0.1 mm to 2 mm of powder.

[0030] Then use a jet mill classifier to classify to obtain a micropowder with a volume diameter of 6 microns to 10 microns, mix the micropowder and external additives in a high-speed mixer, and classify to remove coarseness to obtain a masterbatch. Wherein, the glass transition temperature Tg of styrene-acrylic resin is 60°C, and the softening point temperature T1 / 2 is 120°C; the glass transition temperature Tg of the first polyester res...

no. 2 example

[0033] The present embodiment adopts the styrene-acrylic resin of 35 parts by weight, the first polyester resin of 80 parts by weight, the second polyester resin of 28 parts by weight, the wax of 4 parts by weight and the carbon black additive of 7 parts by weight, at normal temperature Put it in a high-speed mixing mixer, stir and mix it for 5 minutes, melt and knead it through a single-screw reciprocating extruder at 140 ° C, and cool it quickly, then pulverize it through a pulverizer to obtain a particle size of 0.1 mm to 2 mm of powder.

[0034] Then use a jet mill classifier to classify to obtain a micropowder with a volume diameter of 6 microns to 10 microns, mix the micropowder and external additives in a high-speed mixer, and classify to remove coarseness to obtain a masterbatch. Wherein, the glass transition temperature Tg of styrene-acrylic resin is 60°C, and the softening point temperature T1 / 2 is 120°C; the glass transition temperature Tg of the first polyester res...

no. 3 example

[0037] The present embodiment adopts the styrene-acrylic resin of 40 parts by weight, the first polyester resin of 50 parts by weight, the second polyester resin of 50 parts by weight, the wax of 4 parts by weight and the carbon black additive of 7 parts by weight, at normal temperature Put it in a high-speed mixing mixer, stir and mix it for 5 minutes, melt and knead it through a single-screw reciprocating extruder at 140 ° C, and cool it quickly, then pulverize it through a pulverizer to obtain a particle size of 0.1 mm to 2 mm of powder.

[0038] Then use a jet mill classifier to classify to obtain a micropowder with a volume diameter of 6 microns to 10 microns, mix the micropowder and external additives in a high-speed mixer, and classify to remove coarseness to obtain a masterbatch. Wherein, the glass transition temperature Tg of styrene-acrylic resin is 60°C, and the softening point temperature T1 / 2 is 120°C; the glass transition temperature Tg of the first polyester res...

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Abstract

The invention provides a low-melting-point resin material for a three-dimensional printer. The material comprises the following components in percentage by weight: 30-60% of styrene-acrylic resin, 10-50% of first polyester resin, 0-10% of second polyester resin, 1-15% of additives, 0.5-6% of wax, and 0.1-2% of fumed silica, wherein the glass transition temperature Tg of the styrene-acrylic resin is 55-65 DEG C and the softening point temperature T1 / 2 is 120-130 DEG C; the glass transition temperature Tg of the first polyester resin is 43-48 DEG C and the softening point temperature T1 / 2 is 80-85 DEG C; the glass transition temperature Tg of the second polyester resin is 45-65 DEG C and the softening point temperature T1 / 2 is 80-110 DEG C. By adopting the scheme, the glass transition temperature Tg of the low-melting-point resin material for the three-dimensional printer is 48-65 DEG C and the softening point temperature T1 / 2 is 85-110 DEG C. Therefore, the melting temperature of an FDM three-dimensional printer material is remarkably reduced, and the scald risk of an operator is correspondingly reduced while the energy consumption is reduced.

Description

technical field [0001] The invention belongs to the field of consumables for three-dimensional printers, and in particular relates to a low-melting resin material and a manufacturing method for a three-dimensional printer of fusion deposition molding (FDM). Background technique [0002] Rapid prototyping technology can be used in the forming process of three-dimensional (3D) printing to realize the manufacture of three-dimensional objects through the conversion process of computer data. Generally, 3D printing rapid prototyping technologies mainly include three types: Stereolithography, Laminated Object Manufacturing and Selective Deposition Modeling (SDM). Fused deposition modeling (FDM) is a technical process belonging to selective deposition modeling (SDM). At this stage, FDM 3D printers usually use thermoplastic polymer materials to be extruded from the nozzle in a molten state, solidified to form a thin layer of contour shape, and then stacked layer by layer to form a f...

Claims

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Application Information

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IPC IPC(8): C08L25/14C08L33/08C08L33/12C08L33/10C08L67/02C08L91/06C08K3/36C08K3/22C08K3/08C08K3/04B33Y70/00
Inventor 苏健强吴校荣
Owner PRINT RITE UNICORN IMAGE PROD CO LTD
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