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Method for improving stretching and folding resistance of FDM 3D printing TPU shoe material

A shoe material and folding resistance technology, applied in the field of 3D printing, can solve the problem of weak interlayer bonding strength, achieve the effect of improving mechanical properties, improving strength and fatigue resistance, and reducing the degree of decline

Active Publication Date: 2021-01-05
QUANZHOU NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In order to solve the above-mentioned technical problems, the technical solution proposed by the present invention is: a method for improving the stretching and folding resistance of FDM 3D printed TPU shoe materials. The problem of weak interlayer bond strength caused by

Method used

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  • Method for improving stretching and folding resistance of FDM 3D printing TPU shoe material
  • Method for improving stretching and folding resistance of FDM 3D printing TPU shoe material

Examples

Experimental program
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Effect test

Embodiment 1

[0021] Use the TPU wire to use the FDM 3D printer in accordance with the relevant tensile performance test standards of GB / T 1040.2-2006 and figure 1 Print test evaluation parts, followed by microwave irradiation post-processing. The power of the microwave processor is 300W, the post-processing time is 120s, take it out after cooling down, and test the tensile strength, elongation at break and folding resistance of the 3D printed product (according to GB / T3903.1-1994 standard).

Embodiment 2

[0023] Use the FDM 3D printer to use the silica / thermoplastic polyurethane composite material wire in accordance with the relevant tensile performance test standards of GB / T1040.2-2006 and figure 1 Print test evaluation parts, followed by microwave irradiation post-processing. The power of the microwave processor is 800W, the post-processing time is 180s, take it out after cooling down, and test the tensile strength, elongation at break and folding resistance of the 3D printed product (according to GB / T3903.1-1994 standard).

Embodiment 3

[0025] The barium titanate / thermoplastic polyurethane composite material wire is used in FDM 3D printer in accordance with GB / T1040.2-2006 tensile performance test standard and figure 1 Print test evaluation parts, followed by microwave irradiation post-processing. The power of the microwave processor is 1500W, the post-processing time is 30s, take it out after cooling down, and test the tensile strength, elongation at break and folding resistance of the 3D printed product (according to GB / T3903.1-1994 standard).

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Abstract

The invention discloses a method for improving stretching and folding resistance of an FDM 3D printing TPU shoe material. According to the method, microwave irradiation is used for solving the problemthat the interlayer bonding strength is weak due to the fact that the FDM 3D technology is used for printing the TPU shoe material. By introducing microwave irradiation, the kinematic activity of macromolecular chains can be improved in a short time, so that permeation and fusion of the macromolecular chains between layers of the 3D printing TPU shoe material are effectively promoted, the actingforce between the layers is improved, the mechanical performance reduction degree generated along with different printing directions is reduced, the function and application range of the printing shoematerial are expanded, and the personalized requirements are better met. The mechanical property of the FDM 3D printing TPU shoe material subjected to microwave irradiation treatment is obviously improved, the problems that FDM 3D printing forming parts are not tightly bonded layer by layer and are prone to cracking, breaking and the like are effectively solved, the practicability of the FDM 3D printing TPU shoe material is greatly improved, and application and popularization of the FDM 3D printing TPU shoe material are promoted.

Description

technical field [0001] The invention belongs to the technical field of 3D printing, and in particular relates to a method for improving the stretching and folding resistance of FDM 3D printing TPU shoe materials. Background technique [0002] With the advent of a new generation of industrial revolution, the future manufacturing industry will usher in a new wave, and digitalization and intelligence will become its development trend. Among them, 3D printing technology, as a new additive manufacturing method, has appeared in front of people and has attracted wide attention. With the gradual development of 3D printing technology, it has begun to be used in more and more industries, including the clothing and shoe materials industry. As a rapid prototyping technology, 3D printing can be formed at one time without any waste caused by cutting, which can save a lot of labor and material costs, and at the same time make shoes and clothing customization and other related industries h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J7/12B29C59/16C08L75/04C08K3/36C08K3/24C08K3/04C08K3/26C08K3/34C08K7/06C08K3/38C08K3/30C08K3/28
CPCC08J7/123B29C59/165C08J2375/04C08K3/36C08K3/24C08K3/041C08K3/042C08K3/34C08K7/06C08K2201/011C08K2003/265C08K2201/014C08K2003/2227C08K2003/385C08K2201/001C08K2003/3045C08K2003/282
Inventor 卓东贤陈柳听陈少云郑燕玉瞿波刘小英李文杰何淋静罗永强
Owner QUANZHOU NORMAL UNIV
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