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3D printing ABS composite material capable of continuously emitting light and preparation method thereof

A 3D printing and composite material technology, applied in the field of 3D printing ABS composite materials and its preparation, can solve the problems of poor mechanical properties, no luminescence characteristics, and limited applications

Pending Publication Date: 2021-12-14
NORTHWEST NORMAL UNIVERSITY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] 3D printing materials are rich in color, but have no luminescent properties, which limits their application in fluorescent fields such as security signs. At the same time, their mechanical properties are poor

Method used

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  • 3D printing ABS composite material capable of continuously emitting light and preparation method thereof
  • 3D printing ABS composite material capable of continuously emitting light and preparation method thereof
  • 3D printing ABS composite material capable of continuously emitting light and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] The long afterglow phosphor (Sr 2 MgSi 2 o 7 : Eu 2+ , Dy 3+ ); according to the mass percentage, take 1% long afterglow phosphor, 1% KH550, 90% of ABS particles and 8% of ABS powder respectively; divide the obtained ABS powder into two parts, the mass of the first part of ABS powder is the obtained 1% of the mass of the ABS powder, and the mass of the second part of the ABS powder is 99% of the mass of the obtained ABS powder; according to the ratio of adding 1 mL of KH550 to 50 mL of deionized water, add KH550 to the deionized water, stir for 5 minutes, and after the hydrolysis reaction, Add long afterglow phosphor, reflux at 80°C for 10h (speed 250r / min), cool naturally to room temperature, centrifuge, filter and wash with deionized water several times to remove unreacted KH550, dry in a vacuum oven at 80°C until constant Reconstitute and grind to obtain KH550-modified phosphor; add the first part of ABS powder to hydrochloric acid according to the ratio of addin...

Embodiment 2

[0041] The long afterglow phosphor (Sr 2 MgSi 2 o 7 : Eu 2+ , Dy 3+ ); according to mass percentage, respectively take 2% of long-lasting phosphor, 2% of KH550, 89% of ABS particles and 7% of ABS powder, divide the obtained ABS powder into two parts, the mass of the first part of ABS powder is The mass of the obtained ABS powder is 3%, and the mass of the second part of the ABS powder is 97% of the mass of the obtained ABS powder; according to the ratio of adding 3 mL of KH550 to 50 mL of deionized water, add KH550 to the deionized water, stir for 10 minutes, and the hydrolysis reaction Finally, add long afterglow phosphor, reflux at 70°C for 24h (speed 500r / min), cool naturally to room temperature, centrifuge, filter and wash with deionized water several times to remove unreacted KH550, and dry in a vacuum oven at 75°C Grind to constant weight to obtain phosphor powder modified by KH550; Add the first part of ABS powder to hydrochloric acid according to the ratio of 5g AB...

Embodiment 3

[0046] The long afterglow phosphor (Sr 2 MgSi 2 o 7 : Eu 2+ , Dy 3+ ); according to the mass percentage, respectively take 3% of long-lasting phosphor, 3% of KH550, 88% of ABS particles and 6% of ABS powder; divide the obtained ABS powder into two parts, the mass of the first part of ABS powder is 2% of the mass of the obtained ABS powder, and the mass of the second part of the ABS powder is 98% of the mass of the obtained ABS powder; according to the ratio of adding 2 mL of KH550 to 50 mL of deionized water, add KH550 to the deionized water, stir for 8 minutes, and hydrolyze Finally, add fluorescent powder, reflux at 75°C for 17h (speed 200r / min), cool naturally to room temperature, centrifuge, filter and wash with deionized water several times to remove unreacted KH550, and dry in a vacuum oven at 70°C until constant Re-grind to get KH550-modified phosphor; add the first part of ABS powder to hydrochloric acid according to the ratio of 3g ABS powder to 50mL hydrochloric ...

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Abstract

The invention discloses a 3D printing ABS composite material capable of continuously emitting light and a preparation method thereof. The preparation method comprises the following steps: respectively weighing long afterglow fluorescent powder, KH550, ABS particles and ABS powder; adding the KH550 into deionized water, carrying out hydrolyzing and stirring, adding fluorescent powder, performing refluxing, cooling and washing, carrying out vacuum drying to constant weight, and conducting grinding to obtain KH550 modified fluorescent powder; after the ABS powder is acidified by hydrochloric acid, grafting the acidified ABS powder with the KH550 modified fluorescent powder through HATU to obtain a composite material; and subjecting the composite material to melting and manufacturing through a 3D printing extruder, and carrying out extrusion and drawing to obtain the 3D printing ABS composite material capable of continuously emitting light. According to the preparation method, the combination of a long-afterglow luminescent material and a 3D printing technology is realized, and the prepared 3D printing composite material not only can continuously emit light, but also has good mechanical properties, can be applied to the aspects of medicine, the manufacturing industry, the food industry, the industry, the jewelry industry and the like, and greatly expands the application field of 3D printing.

Description

technical field [0001] The invention belongs to the technical field of polymer materials and 3D printing materials, and relates to a sustainable luminescent 3D printing ABS composite material and a preparation method thereof. Background technique [0002] In recent years, additive manufacturing, also known as 3D printing, has developed rapidly and become an important processing technology. It can quickly print prototypes of complex geometries, and has the advantages of low cost, high adaptability and material saving. It is a processing technology that is completely opposite to the traditional material removal processing method: firstly, the three-dimensional model is simulated and sliced ​​in the computer, and the three-dimensional structure is decomposed into a multi-layer two-dimensional structure; Extrusion printing; finally form a three-dimensional structural device exactly the same as the design model. Compared with removal processing, 3D printing has less waste of ra...

Claims

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Application Information

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IPC IPC(8): C08L55/02C08K9/10C08K3/34D01F6/54D01F1/10B33Y70/10
CPCC08L55/02D01F6/54D01F1/10B33Y70/10C08L2203/12C08K9/10C08K3/34Y02P10/25
Inventor 曾巍张苗雷玉彤管洁闵魁英蒋佩良王亮
Owner NORTHWEST NORMAL UNIVERSITY
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