wood-plastic composite material for 3D (three-dimensional) printing

A wood-plastic composite material and 3D printing technology, applied in the field of wood-plastic composite materials for 3D printing, can solve the problems of composite material affinity and thermal deformation temperature modification, and achieve good toughness, broad market prospects and low price. Effect

Inactive Publication Date: 2017-03-08
蒙宇
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The invention provides a wood-plastic composite material for 3D printing to solve the problems of low affinity and low heat distortion temperature modification of existing composite materials

Method used

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  • wood-plastic composite material for 3D (three-dimensional) printing

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preparation example Construction

[0073] The preparation method of described wood-plastic composite material for 3D printing comprises the following steps:

[0074] S1: Pulverize the selected plant fiber and pass it through a 80-120 mesh sieve to obtain a powder. The powder is dried at 88-95°C for 2-2.8 hours, and the moisture content is controlled below 0.05% to obtain the primary raw material plant fiber powder ;

[0075] S2: Add polyolefin plastic powder, polylactic acid, potassium tripolyphosphate, ethylene glycol ether acetate, and specific synthetic agents to the primary raw material plant fiber powder prepared in step S1, heat up to 175-206°C, and rotate at 200°C Stir and melt at -400r / min for 1.5-3.5h, then cool to room temperature to obtain a modified plant fiber 3D printing secondary material;

[0076] The preparation method of described specific synthetic agent, comprises the following steps:

[0077] S21: Mix the generator, coupling agent a, compatibilizer, and antioxidant and heat up to 119-126°...

Embodiment 1

[0088] A wood-plastic composite material for 3D printing, in parts by weight, comprising the following raw materials: 120 parts of plant fiber powder, 135 parts of polyolefin plastic powder, 45 parts of polylactic acid, 28 parts of potassium tripolyphosphate, ethylene glycol ether acetic acid 27 parts of ester, 20 parts of specific synthetic agent, 12 parts of starch synthetic agent;

[0089] The specific synthetic agent is in parts by weight, including the following raw materials: 18 parts of regulator, 15 parts of generating agent, 12 parts of coupling agent a, 15 parts of compatibilizer, 10 parts of plasticizer, 12 parts of antioxidant, coagulation 8 parts of agent, 4 parts of terminator;

[0090] The plant fiber is eucalyptus fiber;

[0091] The regulator is ACR;

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

[0093] The coupling agent a is water-soluble silane;

[0094] The compatibilizer is an acrylic acid type compatibilizer;

[0095] Described plas...

Embodiment 2

[0124] A wood-plastic composite material for 3D printing, in parts by weight, comprising the following raw materials: 96 parts of plant fiber powder, 114 parts of polyolefin plastic powder, 38 parts of polylactic acid, 24 parts of potassium tripolyphosphate, ethylene glycol ether acetic acid 26 parts of ester, 16 parts of specific synthetic agent, 8 parts of starch synthetic agent;

[0125] The specific synthetic agent is in parts by weight, including the following raw materials: 14 parts of regulator, 12 parts of generating agent, 10 parts of coupling agent a, 14 parts of compatibilizer, 9 parts of plasticizer, 7 parts of antioxidant, coagulation 6 parts of agent, 3 parts of terminator;

[0126] The plant fiber is eucalyptus fiber;

[0127] The regulator is ACR;

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

[0129] The coupling agent a is water-soluble silane;

[0130] The compatibilizer is an acrylic acid type compatibilizer;

[0131] Described plastici...

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PUM

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Abstract

The invention discloses a wood-plastic composite material for 3D (three-dimensional) printing, and belongs to the technical field of preparation of the material for 3D printing; the wood-plastic composite material for 3D printing is prepared from, by weight, 96-135 parts of plant fiber powder, 11-4152 parts of polyolefin plastic powder, 38-54 parts of polylactic acid, 24-32 parts of potassium tripolyphosphate, 26-30 parts of ethylene glycol monoethyl ether acetate, 16-25 parts of specific compound agent and 8-14 parts of starch compound agent. The material prepared by the invention has very good toughness and impact intensity; the product printed by the 3D printing technology is high in quality, impact resistance and intensity, and also wide in market prospect.

Description

technical field [0001] The invention belongs to the technical field of material preparation for 3D printing, and in particular relates to a wood-plastic composite material for 3D printing. Background technique [0002] 3D printing, also known as rapid prototyping technology, is also called additive manufacturing technology. It does not require traditional tools, fixtures and machine tools, but is based on digital model files, using adhesive materials such as metal powder or plastic Layer printing technology to manufacture objects of any shape. 3D printers can manufacture many items, such as airplanes, pistols, food, human organs, children's toys, etc. 3D printing technology is a major breakthrough in the world's manufacturing technology field in the past 20 years. It is the integration of multidisciplinary technologies such as mechanical engineering, computer technology, numerical control technology, and material science. The most difficult and core technology of 3D print...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L97/02C08L67/04C08L3/04C08K13/02C08K3/32C08K5/11C08K3/16C08K3/38C08K3/26C08B31/00B33Y70/00
CPCB33Y70/00C08B31/003C08L23/12C08L2201/06C08L2205/035C08L2205/16C08L97/02C08L67/04C08L3/04C08K13/02C08K2003/324C08K5/11C08K2003/164C08K2003/387C08K2003/262
Inventor 蒙宇
Owner 蒙宇
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