A kind of pbs wood-plastic composite wire for 3d printer

A 3D printer and wood-plastic composite technology, applied in the direction of additive processing, etc., can solve the problems of heat shrinkage, toughness and tensile strength to be further improved, and achieve the effect of low shrinkage rate, low price and broad application prospects

Active Publication Date: 2018-01-09
金晖兆隆高新科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, it can be applied to catering utensils, daily necessities, agricultural materials, biomedical polymer materials, food and drug packaging materials, etc., but there is a problem of heat shrinkage when pure PBS is directly applied to 3D printing, and its toughness and tensile strength are also low. to be further improved

Method used

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  • A kind of pbs wood-plastic composite wire for 3d printer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] A PBS / wood-plastic composite wire for a 3D printer, which consists of the following raw materials in parts by weight: 70 parts of PBS, 20 parts of pine fiber, 0.2 parts of a chain extender, 0.3 parts of a crosslinking agent, 0.5 parts of a nucleating agent, 1 part of antioxidant, 1 part of lubricant, 1.2 parts of multi-walled carbon nanotubes / ZnO composite powder, described multi-walled carbon nanotubes / ZnO composite powder is by weight ratio 1: 2 composition.

[0013] The preparation method of this PBS composite material is as follows:

[0014] (1) Preparation of flower-shaped nano-ZnO: Weigh 0.76783g of zinc acetate dihydrate and 1.96g of sodium hydroxide into beakers A and B respectively and dissolve them with 10ml deionized water to form a transparent solution. In a cold water bath (5°C) and stirred at a constant speed, drop the sodium hydroxide solution in the beaker B into the beaker A slowly and uniformly, and do it three times with an interval of 5 minutes to o...

Embodiment 2

[0020] Based on Example 1, the only difference is that the amount of pine fiber added is 24 parts; the multi-walled carbon nanotubes / ZnO composite powder is composed of multi-walled carbon nanotubes and flower-shaped nano-ZnO in a weight ratio of 1:8. The prepared PBS / wood-plastic composite wire was tested for 3D printing. The printing temperature was 145°C. The printing process was smooth. The surface of the printed product was smooth and well-proportioned, with beautiful appearance, stable size and no warping, and a comfortable pine aroma.

Embodiment 3

[0022] Based on Example 1, the only difference is that the amount of pine fiber added is 30 parts; the multi-walled carbon nanotube / ZnO composite powder is composed of multi-walled carbon nanotubes and flower-shaped nano-ZnO in a weight ratio of 1:15. The prepared PBS / wood-plastic composite wire was tested for 3D printing. The printing temperature was 145°C, the printing process was smooth, the surface of the printed product was smooth and well-proportioned, the appearance was beautiful, the size was stable and not warped, and the aroma of pine wood was too strong.

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Abstract

The invention discloses a PBS (poly(butylene succinate)) wood-plastic composite wire for 3D printers. The PBS wood-plastic composite wire for 3D printers is composed of the following raw materials in parts by weight: 65-75 parts of PBS, 20-30 parts of plant fiber, 0.1-0.5 part of chain extender, 0.1-0.5 part of crosslinking agent, 0.1-2 parts of nucleator, 0.2-1 part of antioxidant, 0.2-2 parts of lubricant and 0.5-2 parts of multi-wall carbon nanotube / ZnO composite powder. The multi-wall carbon nanotube / ZnO composite powder is added into the completely degradable biological material PBS and plant fibers to prepare the composite wire. Compared with the traditional polylactic acid (PLA) wire, the composite wire has the advantages of lower printing temperature, favorable tensile strength and favorable flexibility, avoids the problem of warping after printing, is suitable for multiple 3D forming techniques, has the natural friendliness of wood, can generate the natural wood aromatic odor in the printing process, and thus, has wide application prospects in the field of 3D printing.

Description

technical field [0001] The invention relates to the field of composite materials, in particular to a PBS / wood-plastic composite wire for 3D printers. Background technique [0002] 3D printing technology, also known as additive manufacturing technology, is actually an emerging technology in the field of rapid prototyping. A technique for constructing objects in a manner. The basic principle is additive manufacturing, the technique of adding material layer by layer to generate a three-dimensional solid. At present, 3D printing technology is mainly used in product prototyping, mold manufacturing, art creation, jewelry making and other fields, replacing these traditional fine processing techniques. In addition, 3D printing technology is gradually applied in fields such as medicine, bioengineering, architecture, clothing, aviation, etc., opening up a broad space for innovation. [0003] Polybutylene succinate (PBS), also known as polybutylene succinate or polybutylene succinat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L67/02C08L97/02C08K13/06C08K9/02C08K7/24C08K3/22B33Y70/00
CPCB33Y70/00C08K2201/011C08L67/02C08L2205/16C08L2205/24C08L97/02C08K13/06C08K9/02C08K7/24C08K2003/2296
Inventor 黎淑娟
Owner 金晖兆隆高新科技股份有限公司
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