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Preparation method of multiscale material reinforced resin-based antifriction and antiwear composite

A technology for strengthening resin-based and composite materials, which is applied in the preparation of resin-based anti-friction and wear-resistant composite materials and the preparation of modified benzoxazine resin-based anti-friction and wear-resistant composite materials, which can solve the problem of reducing the temperature resistance level of matrix resin , increase the amount of wear, it is difficult to realize the friction reduction, wear resistance and mechanical strength of benzoxazine resin, and achieve the effect of improving mechanical properties, optimizing the aggregate structure, and improving the friction reduction and wear resistance performance

Active Publication Date: 2018-11-13
SHANGHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented technology describes an improved method for preparing highly strong composites that are resistant against frictional damage caused during use or operation on various machines like engines. These compositions consist mainly of organopolymer matrices made up mostly of carbon atoms called polytetrafluorylene (PTFE), epoxy groups, hydroxystrosion resistance polymers, etc., along with other components like lubricants and fillings. By combining these different elements together they create stronger structures without adding extra weight compared to existing methods. Overall this new composition provides better performance over traditional ways than current products due to its unique combination of strength factors and good surface characteristics.

Problems solved by technology

This patented technology describes how adding certain substances like phenolic antioxynitrile (PZN) into an organopolymerizable monomer mixture helps create strong composites with improved performance over traditional methods. Additionally, this approach allows us to combine different types of polymers together by adjusting their react mechanisms based on factors like environmental conditions and use requirements.

Method used

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  • Preparation method of multiscale material reinforced resin-based antifriction and antiwear composite
  • Preparation method of multiscale material reinforced resin-based antifriction and antiwear composite
  • Preparation method of multiscale material reinforced resin-based antifriction and antiwear composite

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Embodiment 1

[0018] In this embodiment, a method for preparing a multi-scale material-reinforced resin-based anti-friction and wear-resistant composite material includes the following steps:

[0019] a. Mix 50g of phenoxy resin with 200g of AG-80 epoxy resin to form a reactant system, react at 165°C for 1.5 hours, after cooling, add methyl ethyl ketone, and obtain glue A with a product mass percentage concentration of 40%. ; The phenoxy resin adopts a linear polymer produced by the condensation reaction of bisphenol A and epichlorohydrin, and the average molecular weight Mn of the phenoxy resin is 90000; the molecule of the AG-80 epoxy resin is as follows;

[0020]

[0021] b. Using graphene, the number of layers of graphene is 2-10 layers, the particle size of graphene is 50-100nm, using butanone as a dispersant, dispersing 1.3890g graphene in 68.00g butanone dispersant, and ultrasonically Disperse, the preparation obtains the graphene dispersion liquid that mass percent concentration ...

Embodiment 2

[0030] This embodiment is basically the same as Embodiment 1, especially in that:

[0031] In this embodiment, a method for preparing a multi-scale material-reinforced resin-based anti-friction and wear-resistant composite material includes the following steps:

[0032] a. Mix 138g of phenoxy resin with 322g of AG-80 epoxy resin to form a reactant system, react at 160°C for 2 hours, after cooling, add toluene to obtain a glue solution A with a product mass percentage concentration of 40%; Described phenoxy resin adopts the linear polymer produced by the condensation reaction of bisphenol A and epichlorohydrin, and the average molecular weight Mn of phenoxy resin is 90000; The molecule of AG-80 epoxy resin is as follows;

[0033]

[0034]b. Using graphene, the number of layers of graphene is 2-10 layers, the particle size of graphene is 50-100nm, using butanone as a dispersant, dispersing 3.8330g graphene in 124.00g butanone dispersant, and ultrasonically Disperse, the prep...

Embodiment 3

[0043] This embodiment is basically the same as the previous embodiment, and the special features are:

[0044] In this embodiment, a method for preparing a multi-scale material-reinforced resin-based anti-friction and wear-resistant composite material includes the following steps:

[0045] a. Mix 11g of phenoxy resin with 99g of AG-80 epoxy resin to form a reactant system, react at 165°C for 1.5 hours, after cooling, add methyl ethyl ketone, and obtain glue A with a product mass percentage concentration of 40%. ; The phenoxy resin adopts a linear polymer produced by the condensation reaction of bisphenol A and epichlorohydrin, and the average molecular weight Mn of the phenoxy resin is 90000; the molecule of the AG-80 epoxy resin is as follows;

[0046]

[0047] b. Use graphene, the number of layers of graphene is 2-10 layers, the particle size of graphene is 50-100nm, use butanone as a dispersant, disperse 0.1530g graphene in 30.40g butanone dispersant, and ultrasonically...

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Abstract

The invention discloses a preparation method of a multiscale material reinforced resin-based antifriction and antiwear composite. The multiscale material reinforced resin-based antifriction and antiwear composite prepared with the method refers to a modified benzoxazine resin composite reinforced by fiber woven fabric, the composite comprises fiber woven fabric reinforced matrix resin in macroscopic scale, comprises graphene reinforced matrix resin in mesoscopic scale and comprises thermoplastic polyether sulfone resin and phenoxy resin modified benzoxazine-epoxy resin system in microscale, anaggregation structure of the matrix resin is optimized, and the purpose of improving mechanical properties of the matrix resin is achieved. A reinforcing material and a self-lubricating functional material are introduced in the macroscopic scale, the mesoscopic scale and the microscale, and antifriction and antiwear properties of the composite are improved. The composite can be applied to the fields of textile machinery, aero-engines, engine jet pipes of space solid rockets and the like.

Description

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Claims

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Application Information

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Owner SHANGHAI UNIV
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