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Corn-stalk 3D printing material with high thermal deformation temperature

A technology of corn stalks and deformation temperature, applied in the direction of additive processing, etc., can solve the problems of poor performance such as impact resistance, and achieve the effects of low cost, easy industrial production, and good toughness

Inactive Publication Date: 2017-04-26
GUANGXI ZHUMENG SANTI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The invention provides a corn straw 3D printing material with a high thermal deformation temperature to solve the problems of existing straw 3D printing consumables such as poor toughness, impact strength, and impact resistance.

Method used

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  • Corn-stalk 3D printing material with high thermal deformation temperature

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0074] The preparation method of the corn stalk 3D printing material with high heat distortion temperature comprises the following steps:

[0075] S1: Crush the selected straw and pass it through a sieve of 80-100 mesh to obtain a powder. The powder is dried at 83-94° C. for 2-3 hours, and the moisture content is controlled below 0.05%, so as to obtain the primary raw material corn straw powder;

[0076] S2: Add polylactic acid, potassium tetrapolyphosphate, butyl diglycol acetate, zinc acrylate resin, isoprene rubber, and specific synthetic agents to the primary raw material corn stalk powder prepared in step S1, and heat up to 186-208°C , stirred and melted at a speed of 100-300r / min for 1.8-4.4h, and then cooled to room temperature to obtain a modified straw 3D printing secondary material;

[0077] The preparation method of described specific synthetic agent, comprises the following steps:

[0078] S21: Mix the generator, coupling agent a, compatibilizer, and antioxidant a...

Embodiment 1

[0089] A 3D printing material of corn stalks with a high heat distortion temperature, including the following raw materials in parts by weight: 96 parts of corn stalk powder, 35 parts of polylactic acid, 18 parts of potassium tetrapolyphosphate, and 13 parts of butyl diglycol acetate , 14 parts of zinc acrylic resin, 6 parts of isoprene rubber, 20 parts of specific synthetic agent, 10 parts of starch synthetic agent;

[0090] The specific synthetic agent is in parts by weight, including the following raw materials: 16 parts of regulator, 14 parts of generating agent, 12 parts of coupling agent a, 3 parts of surfactant, 14 parts of compatibilizer, 12 parts of plasticizer a , 10 parts of antioxidant, 7 parts of coagulant, 5 parts of terminator;

[0091] The regulator is regulator ACR;

[0092] The generating agent is an aerosol generating agent;

[0093] The coupling agent a is coupling agent kh570;

[0094] Surfactant is fatty alcohol polyoxyethylene ether sodium sulfate;

...

Embodiment 2

[0125] A 3D printing material of corn stalks with a high heat distortion temperature, in parts by weight, including the following raw materials: 74 parts of corn stalk powder, 28 parts of polylactic acid, 14 parts of potassium tetrapolyphosphate, and 10 parts of butyl diglycol acetate , 12 parts of zinc acrylic resin, 5 parts of isoprene rubber, 14 parts of specific synthetic agent, 7 parts of starch synthetic agent;

[0126] The specific synthetic agent is in parts by weight, including the following raw materials: 13 parts of regulator, 10 parts of generating agent, 9 parts of coupling agent a, 2 parts of surfactant, 13 parts of compatibilizer, 8 parts of plasticizer a , 8 parts of antioxidant, 6 parts of coagulant, 4 parts of terminator;

[0127] The regulator is regulator ACR;

[0128] The generating agent is an aerosol generating agent;

[0129] The coupling agent a is coupling agent kh570;

[0130] Surfactant is fatty alcohol polyoxyethylene ether sodium sulfate;

[0...

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Abstract

The invention discloses a corn-stalk 3D printing material with a high thermal deformation temperature and belongs to the technical field of preparation of materials for 3D printing. The corn-stalk 3D printing material with the high thermal deformation temperature contains the following raw materials in parts by weight: 74-116 parts of corn stalk powder, 28-43 parts of polylactic acid, 14-20 parts of potassium tetrapolyphosphate, 10-15 parts of diethylene glycol butylacetate, 12-15 parts of zinc acrylate resin, 5-7 parts of isoprene rubber, 14-24 parts of specific synthesizer and 7-14 parts of starch synthesizer. The material disclosed by the invention has very good toughness and impact strength; and products printed through a 3D printing technology are high in quality, high in impact resistance, high in strength and low in cost, are non-toxic, low-carbon and environmentally friendly, have woody colors and luster and can be recycled, so that the material has a very high economic value and a broad market prospect.

Description

[0001] 【Technical field】 [0002] The invention belongs to the technical field of material preparation for 3D printing, and in particular relates to a 3D printing material of corn stalks with a high thermal deformation temperature. [0003] 【Background technique】 [0004] 3D printing is a kind of rapid prototyping technology. It is a technology based on digital model files and using bondable materials such as powdered metal or crop straw to construct objects by layer-by-layer printing. 3D printing is usually realized by using digital technology material printers. It is often used to manufacture models in mold manufacturing, industrial design and other fields, and is gradually used in the direct manufacturing of some products. There are already parts printed using this technology. , the technology has applications in jewelry, footwear, industrial design, architecture, engineering and construction (AEC), automotive, aerospace, dental and medical industries, education, geographic ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L97/02C08L67/04C08L33/02C08L9/00C08L3/04C08K13/02C08K3/32C08K5/11C08K3/38C08K5/12C08K5/5419C08B31/00B33Y70/00
CPCC08L97/02B33Y70/00C08B31/003C08L2201/08C08L2205/035C08L67/04C08L33/02C08L9/00C08L3/04C08K13/02C08K2003/324C08K5/11C08K2003/387C08K5/12C08K5/5419
Inventor 覃杨华
Owner GUANGXI ZHUMENG SANTI TECH CO LTD