Polyether-ether-ketone multi-element nano lubricating composite material as well as preparation method and application thereof

A technology of polyether ether ketone and composite materials, which is applied in the field of solid lubrication of composite materials, can solve problems such as weak bonding force of friction pairs, difficult lubrication effect, poor matrix compatibility, etc., achieve good mechanical properties, reduce friction coefficient and wear rate Effect

Active Publication Date: 2022-07-29
BINZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the nanomaterial itself has the problems of poor compatibility with the matrix and weak bonding force with the friction pair, so it is difficult to effectively exert its lubricating effect and achieve long-term friction reduction and wear resistance.

Method used

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  • Polyether-ether-ketone multi-element nano lubricating composite material as well as preparation method and application thereof
  • Polyether-ether-ketone multi-element nano lubricating composite material as well as preparation method and application thereof
  • Polyether-ether-ketone multi-element nano lubricating composite material as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0069] (1) Preparation of silver-loaded hexagonal boron nitride nanosheets:

[0070] S1-1: Weigh 10g of hexagonal boron nitride nanosheets and 10g of sodium oleate respectively, add them into 500ml of dimethylformamide, and ultrasonically disperse for 30min to obtain a dispersion;

[0071] S1-2: Weigh 5 mol of AgNO prepared with a mass fraction of 10% 3 The solution was added to the dispersion obtained by 10 g of S1-1, and then ultrasonically dispersed for 90 min to obtain a dispersion;

[0072] S1-3: The dispersion obtained in step S1-2 is heated at 40° C. for 1 h. After the reaction, the precipitate is collected by filtration, washed, and dried to obtain silver-loaded hexagonal boron nitride nanosheets, which are marked as Ag / BN.

[0073] (2) Preparation of Ag / BN modified by covalent organic framework nanomaterials (COF)

[0074] 100g of COF and 50g of Ag / BN were added to isopropanol, then ultrasonicated for 30min to obtain a dispersion, the dispersion was centrifuged to c...

Embodiment 2

[0080] (1) Preparation of silver-loaded hexagonal boron nitride nanosheets:

[0081] S1-1: Weigh 15g of hexagonal boron nitride nanosheets and 18g of sodium oleate respectively, add them into 500ml of dimethylformamide, and ultrasonically disperse for 50min to obtain a dispersion;

[0082] S1-2: Weigh 10 mol of AgNO prepared with a mass fraction of 10% 3 The solution was added to the dispersion obtained by 10g of S1, and then ultrasonically dispersed for 90min to obtain a dispersion;

[0083] S1-3: The dispersion obtained in step S1-2 is heated at 50° C. for 1 h. After the reaction, the precipitate is collected by filtration, washed, and dried to obtain silver-loaded hexagonal boron nitride nanosheets, which are labeled as Ag / BN.

[0084] (2) Preparation of Ag / BN modified by covalent organic framework nanomaterials (COF)

[0085] 100g of COF and 70g of Ag / BN were added to isopropanol, then ultrasonicated for 40min to obtain a dispersion, the dispersion was centrifuged to col...

Embodiment 3

[0092] (1) Preparation of silver-loaded hexagonal boron nitride nanosheets:

[0093] S1-1: Weigh 20g of hexagonal boron nitride nanosheets and 18g of sodium oleate respectively, add them into 600ml of dimethylformamide, and ultrasonically disperse for 70min to obtain a dispersion;

[0094] S1-2: Weigh 20mol of AgNO prepared with a mass fraction of 10% 3 The solution was added to the dispersion obtained by 10g of S1, and then ultrasonically dispersed for 90min to obtain a dispersion;

[0095] S1-3: The dispersion obtained in step S1-2 was heated at 50° C. for 2 h, and after the reaction was completed, the precipitate was collected by filtration, washed, and dried to obtain silver-loaded hexagonal boron nitride nanosheets, marked as Ag / BN.

[0096] (2) Preparation of Ag / BN modified by covalent organic framework nanomaterials (COF)

[0097] 100g of COF and 80g of Ag / BN were added to isopropanol, then ultrasonicated for 50min to obtain a dispersion, the dispersion was centrifuge...

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Abstract

The invention discloses a polyether-ether-ketone multi-element nano lubricating composite material, which is characterized by being prepared from the following components in parts by weight: 50 to 80 parts of polyether-ether-ketone, 10 to 25 parts of butadiene styrene rubber, 15 to 35 parts of nano polytetrafluoroethylene and 30 to 50 parts of composite nano particles. The polyetheretherketone multi-element nano lubricating composite material prepared by the preparation method disclosed by the invention still has good mechanical properties while playing a role in resisting wear and reducing friction.

Description

technical field [0001] The invention relates to the technical field of composite solid lubrication, in particular to a polyether ether ketone multi-component nano-lubricating composite material and a preparation method and application thereof. Background technique [0002] Friction and wear will occur in the parts or machinery that are in relative motion and in contact. Friction and wear are the main factors that cause a large amount of energy and material loss. Friction causes a lot of energy consumption and greatly reduces the mechanical efficiency. According to statistical estimates, about 30% of the world's energy is consumed to overcome friction. Friction will cause wear on the friction surfaces of the relatively moving components, resulting in an increase in the fitting clearance of the components, which ultimately affects the service life and accuracy of the machine. Therefore, trying to reduce friction and wear is an effective method to prolong the service life of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L61/16C08L9/06C08L27/18C08K9/12C08K9/04C08K3/08C08G83/00
CPCC08L61/16C08G83/008C08K2003/0806C08L9/06C08L27/18C08K9/12C08K9/08C08K3/08
Inventor 陈非刘彦丽刘志雷李春艳
Owner BINZHOU UNIV
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