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High-toughness wood-plastic composite material for 3D printing

A wood-plastic composite material, 3D printing technology, applied in the direction of additive processing, etc., can solve the problems of low affinity of composite materials and low thermal deformation temperature modification, and achieve the effect of good toughness, low cost and broad market prospects.

Active Publication Date: 2017-02-08
河北润尔新材料科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

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

Method used

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  • High-toughness wood-plastic composite material for 3D printing

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Effect test

preparation example Construction

[0073] The preparation method of the wood-plastic composite material for high-toughness 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, sodium tripolyphosphate, dipropylene glycol methyl ether acetate, and specific synthetic agents to the primary raw material plant fiber powder prepared in step S1, heat up to 186-212°C, and rotate at 200°C Stir and melt at -400r / min for 1.4-3h, 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 ...

Embodiment 1

[0088] A wood-plastic composite material for high-toughness 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 sodium tripolyphosphate, dipropylene glycol methyl 27 parts of ether acetate, 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 pine fiber;

[0091] The regulator is ACR;

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

[0093] The coupling agent a is an aluminate coupling agent;

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

[0095] D...

Embodiment 2

[0124] A wood-plastic composite material for high-toughness 3D printing, in parts by weight, comprising the following raw materials: 98 parts of plant fiber powder, 116 parts of polyolefin plastic powder, 40 parts of polylactic acid, 26 parts of sodium tripolyphosphate, dipropylene glycol methyl 28 parts of ether acetate, 15 parts of specific synthetic agent, 9 parts of starch synthetic agent;

[0125] The specific synthetic agent is in parts by weight, including the following raw materials: 16 parts of regulator, 13 parts of generating agent, 12 parts of coupling agent a, 13 parts of compatibilizer, 11 parts of plasticizer, 8 parts of antioxidant, coagulation 7 parts of agent, 3 parts of terminator;

[0126] The plant fiber is pine fiber;

[0127] The regulator is ACR;

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

[0129] The coupling agent a is an aluminate coupling agent;

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

[0131] Desc...

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PUM

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Abstract

The invention discloses a wood-plastic composite material for high-toughness 3D printing, belonging to the technical field of preparation of materials for 3D printing. The high-toughness wood-plastic composite material for 3D printing is prepared from the following raw materials in parts by weight: 98-136 parts of plant fiber powder, 116-150 parts of polyolefin plastic powder, 40-55 parts of polylactic acid, 26-34 parts of sodium tripolyphosphate 28-32 parts of dipropylene glycol methyl ether acetate, 15-24 parts of specific synthetic and 9-15 parts of starch synthetic. The prepared material has favorable toughness and impact strength. The product printed by the 3D printing technique has the advantages of high quality, high impact resistance and high strength. Thus, the material has broad market prospects.

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 with high toughness. 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 te...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/00C08L97/02C08L67/04C08L3/04C08K13/02C08K3/32C08K5/12C08K3/38C08K3/26B33Y70/00
CPCB33Y70/00C08K2201/014C08L23/00C08L2201/06C08L2205/035C08L2205/08C08L2205/16C08L97/02C08L67/04C08L3/04C08K13/02C08K2003/324C08K5/12C08K2003/387C08K2003/262
Inventor 蒙宇
Owner 河北润尔新材料科技股份有限公司
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