3D printing grade polyether-ether-ketone resin special material, preparation and application thereof, 3D printing interlayer reinforced polyether-ether-ketone alloy material and preparation thereof

A polyether ether ketone resin, 3D printing technology, applied in the field of 3D printing materials, can solve the problems of material decomposition and poor interlayer bonding, and achieve good compatibility, high temperature resistance and stability, and good processing stability sexual effect

Active Publication Date: 2021-12-03
JILIN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The 3D printing-grade polyetheretherketone resin special material has high temperature resistance and processing stability, thereby maintaining good fluidity and facilitating 3D printing. Solved the problem of material decomposition and poor interlayer bonding during printing

Method used

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  • 3D printing grade polyether-ether-ketone resin special material, preparation and application thereof, 3D printing interlayer reinforced polyether-ether-ketone alloy material and preparation thereof
  • 3D printing grade polyether-ether-ketone resin special material, preparation and application thereof, 3D printing interlayer reinforced polyether-ether-ketone alloy material and preparation thereof
  • 3D printing grade polyether-ether-ketone resin special material, preparation and application thereof, 3D printing interlayer reinforced polyether-ether-ketone alloy material and preparation thereof

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preparation example Construction

[0035] The present invention provides a preparation method for 3D printing grade polyether ether ketone resin special material described in the above technical solution, comprising the following steps:

[0036] Mix 4,4'-difluorobenzophenone, hydroquinone, alkali catalyst, melted diphenyl sulfone and water-carrying agent, carry out water-carrying and polymerization reactions in sequence, and add 4-fluorodiphenyl Phenyl sulfone is capped to obtain special materials for 3D printing grade polyetheretherketone resin.

[0037] In the present invention, unless otherwise specified, the required preparation materials are commercially available products well known to those skilled in the art.

[0038] In the present invention, the molar ratio of the 4,4'-difluorobenzophenone to hydroquinone is preferably (1.005-1.05):1, more preferably 1.02-1.05:1, even more preferably 1.03: 1.

[0039] In the present invention, the alkali catalyst preferably includes sodium carbonate and potassium ca...

Embodiment 1

[0070] Add 997.992g of diphenyl sulfone into a three-neck flask equipped with an argon vent, heat to 140°C until the diphenyl sulfone melts into a liquid, then add 222.564g of 4,4'-difluorobenzophenone in sequence (1.02mol) and anhydrous sodium carbonate 127.2g (1.2mol), anhydrous potassium carbonate 1.38g (1.01mol), hydroquinone 110.1g (1mol), the solid content of the gained reaction system is 25wt%, finally add 300mL Xylene, then gradually heat up to 170°C with water for 2 hours, continue to heat up to 210°C for 1 hour, heat up to 250°C for 2 hours, and finally heat up to 310°C for 1 hour; add 4-fluorodiphenylsulfone monomer to the obtained product (2.36g) (0.01mol), after continuing to react for 1 hour, the material was discharged into deionized water, and the obtained strip product was pulverized by a high-speed pulverizer, and then washed 5 times with acetone and deionized water respectively to obtain 3D printing grade polyether Special material for ether ketone resin, th...

Embodiment 2

[0072] Add 1004.538g of diphenylsulfone into a three-neck flask equipped with an argon vent, heat to 140°C until the diphenylsulfone melts into a liquid, and then add 224.746g of 4,4'-difluorobenzophenone in sequence (1.03mol) and anhydrous sodium carbonate 127.2g (1.2mol), anhydrous potassium carbonate 1.38g (0.01mol), add hydroquinone 110.1g (1mol), the solid content of gained reaction system is 25wt%, finally add 300mL of xylene, then gradually raise the temperature to 170°C with water for 2h, continue to raise the temperature to 210°C for 1h, gradually raise the temperature to 250°C for 2h, and finally raise the temperature to 310°C for 1h; add 4-fluorodiphenylsulfone to the obtained product Monomer (2.36g) (0.01mol), after continuing to react for 1 hour, was discharged into deionized water, and the resulting strip-shaped product was pulverized by a high-speed pulverizer, and washed 5 times with acetone and deionized water respectively to obtain 3D printed Grade polyethere...

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Abstract

The invention provides a 3D printing grade polyether-ether-ketone resin special material, preparation and application thereof, a 3D printing interlayer reinforced polyether-ether-ketone alloy material and preparation thereof, and belongs to the technical field of 3D printing materials. According to the invention, 4-fluorodiphenyl sulfone with a higher temperature-resistant grade is used as an end-capping group, so that the polyether-ether-ketone resin has a very stable fluorine-containing end group, and polyether-ether-ketone can maintain good fluidity and stability under a higher-temperature processing condition, so that the requirement of 3D printing high-temperature processing is met. In addition, the special material is blended with an interlayer reinforced modifier, so that the prepared 3D printing interlayer reinforced polyether-ether-ketone alloy material keeps excellent mechanical properties of polyether-ether-ketone, and meanwhile, the interlayer bonding strength is greatly improved.

Description

technical field [0001] The invention relates to the technical field of 3D printing materials, in particular to special materials for 3D printing grade polyetheretherketone resin and its preparation and application, 3D printing interlayer reinforced polyether ether ketone alloy material and its preparation. Background technique [0002] Polyetheretherketone (PEEK) has been widely used in aerospace, automotive industry and medical fields due to its excellent heat resistance and mechanical properties, good chemical corrosion resistance, self-lubrication and biocompatibility. Known as "the variety at the top of the pyramid of the plastic product system". In recent years, with the rapid development of 3D printing technology, polyether ether ketone resin materials have been widely used in 3D printing because of their excellent comprehensive properties. Ketones are difficult to process during printing; on the other hand, the existing commercial polyetheretherketone is an injection...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G8/02C08G8/28C08L61/16C08L71/10B33Y70/00
CPCC08G8/02C08G8/28C08L61/16B33Y70/00C08L71/00
Inventor 张海博徐勤飞商赢双李雪峰杨洋尹鑫周晨义刘新于畅
Owner JILIN UNIV
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