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High-toughness nanofiber-reinforced rubber-base 3D printing material and preparation method thereof

A nanofiber and reinforced rubber technology, applied in the field of nanofiber reinforced rubber-based 3D printing materials and their preparation, can solve the problems of low strength, low efficiency, long cycle, etc., and achieve the effect of high bonding strength and good toughness

Active Publication Date: 2015-07-08
WUHAN TEXTILE UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] 3D printers appeared in the second half of the last century. The emergence of 3D printing technology has completely changed the shortcomings of traditional manufacturing such as low efficiency, long cycle, high cost and difficulty in preparing complex products.
The disadvantage is that the powder materials used need to be modified and the printed products have low strength and poor toughness.

Method used

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  • High-toughness nanofiber-reinforced rubber-base 3D printing material and preparation method thereof
  • High-toughness nanofiber-reinforced rubber-base 3D printing material and preparation method thereof
  • High-toughness nanofiber-reinforced rubber-base 3D printing material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A method for preparing a high-toughness nanofiber-reinforced rubber-based 3D printing material, comprising the steps of:

[0031] 1), the preparation of mixing rubber:

[0032] parts by mass

[0033]

[0034] Add natural rubber and coumarone resin to the open mixer at a temperature of 50-70°C for mastication. After the Mooney viscosity of the masterbatch of natural rubber and coumarone resin reaches 40-70, add Anti-aging agent A, paraffin, zinc oxide, stearic acid, accelerator DM, accelerator CZ, after the above is completely mixed into the rubber, then add high wear-resistant carbon black N330, light calcium carbonate, No. 20 engine oil, wait for the above to be completely mixed After the rubber, industrial sulfur is added at the end. After the sulfur is mixed into the rubber, it needs to be thinly passed 3 to 5 times, so that the compounding agent can be evenly dispersed in the rubber, and the mixed rubber can be obtained;

[0035] 2), Preparation of thermoplasti...

Embodiment 2

[0041] A method for preparing a high-toughness nanofiber-reinforced rubber-based 3D printing material, comprising the steps of:

[0042] 1), preparation of mixed rubber

[0043] parts by mass

[0044]

[0045] Add nitrile rubber and liquid nitrile rubber to the open mill at a temperature of 50-70°C for mastication, and when the Mooney viscosity of the masterbatch of nitrile rubber and liquid nitrile rubber reaches 40-70, feed it to the open mill Add anti-aging agent 4010NA, anti-aging agent RD, paraffin, zinc oxide, stearic acid, accelerator TMTD, accelerator M, after the above ingredients are completely mixed into the rubber, then add quick-pressed carbon black N550, clay, barium sulfate, TP90B, dioctyl phthalate, after the above compounding agent is completely mixed into the rubber, add sulfur at last, after the sulfur is mixed into the rubber, it needs to be thinly passed 3 to 5 times, so that the compounding agent is evenly dispersed in the rubber, and the obtained Mi...

Embodiment 3

[0052] A method for preparing a high-toughness nanofiber-reinforced rubber-based 3D printing material, comprising the steps of:

[0053] 1), preparation of mixed rubber

[0054] parts by mass

[0055]

[0056]

[0057] Add neoprene and coumarone resin to the open mill at a temperature of 50-70°C for mastication. After the Mooney viscosity of the masterbatch of chloroprene rubber and coumarone resin reaches 40-70, put it into the open mill. Add anti-aging agent AW, anti-aging agent MB, paraffin, stearic acid, accelerator TMTD, accelerator NA-22, accelerator TETD, after the above ingredients are completely mixed into the rubber, then add medium particle thermal carbon black N990, White carbon black, heavy calcium carbonate, titanium dioxide, dioctyl sebacate, dibutyl phthalate, after the above compounding ingredients are completely mixed into the rubber, finally add zinc oxide, magnesium oxide, wait for zinc oxide, magnesium oxide After the rubber is mixed, it needs to b...

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Abstract

The invention relates to a 3D printing material and a preparation method thereof, belonging to the field of 3D printing materials. The invention is characterized in that the high-toughness nanofiber-reinforced rubber-base 3D printing material (adhesive) is prepared from compound rubber, a thermoplastic polymer nanofiber-reinforced material and a solvent. The compound rubber, thermoplastic polymer nanofiber-reinforced material and solvent are sheared and blended in a weight ratio of (1-30):(1-20):(1-98) by a high-speed shearing machine to obtain the high-toughness nanofiber-reinforced rubber-base 3D printing material. The high-toughness nanofiber-reinforced rubber-base 3D printing material has the characteristics of high adhesive strength and favorable toughness. The powder material for 3D printers does not need pretreatment, and thus, is suitable for large-scale quick production of complex products.

Description

technical field [0001] The invention relates to a high-toughness nanofiber-reinforced rubber-based 3D printing material and a preparation method thereof, belonging to the field of 3D printing materials. Background technique [0002] 3D printers appeared in the second half of the last century. The emergence of 3D printing technology has completely changed the shortcomings of traditional manufacturing such as low efficiency, long cycle, high cost and difficulty in preparing complex products. The working principle of a 3D printer is the same as that of an ordinary inkjet printer, and it is a device that uses layered printing to achieve rapid prototyping. The material is printed layer by layer through computer control, and finally the model is transformed into a three-dimensional object. 3D printing technology is realized by layered printing, and the printing of each layer mainly consists of two steps: first, print a layer of special adhesive on the area to be printed; second, ...

Claims

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Application Information

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IPC IPC(8): C08L7/00C08L9/02C08L11/00C08L9/06C08L9/00C08L23/34C08L83/04C08L23/16C08L45/02C08L61/08C08L1/14C08K13/02C08K3/04C08K3/26C08K5/09C08K3/06C08K3/34B33Y70/00B33Y10/00
CPCC08L7/00C08L9/02C08L11/00C08L23/16C08L83/04C08L2205/025C08L2205/035C08L2205/16C08L2207/062C08L45/02C08L91/00C08L91/06C08L53/00C08L1/14C08K13/02C08K3/04C08K2003/265C08K2003/2296C08K5/09C08K3/06C08L67/02C08K3/346C08K2003/3045C08K5/12C08L77/02C08K3/36C08K2003/2241C08K5/11C08L61/06C08L23/06C08K3/34C08L9/06C08L23/12C08L23/34C08L71/02
Inventor 王栋夏明周舟刘琼珍陶义飞李沐芳
Owner WUHAN TEXTILE UNIV
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