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Self-lubricating type epoxide resin material and preparation thereof

An epoxy resin and self-lubricating technology, which is applied in the preparation of microspheres, lubricating compositions, microcapsule preparations, etc., can solve the problem of reducing the friction coefficient and wear rate of epoxy resin, poor friction and wear performance of epoxy resin, and large proportion of fillers and other issues, to achieve low friction coefficient and wear rate, less environmental pollution, and improve the effect of anti-friction and wear resistance

Inactive Publication Date: 2009-01-21
SUN YAT SEN UNIV
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Problems solved by technology

However, due to the structural characteristics of the three-dimensional cross-linked network, the friction and wear properties of epoxy resin are poor
In order to reduce the friction coefficient and wear rate of epoxy resin, the traditional method is to use fibers and micron inorganic particles for filling modification, but generally the proportion of fillers used is very large, resulting in poor fluidity of epoxy resin before curing, which is difficult for processing. bring great inconvenience

Method used

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  • Self-lubricating type epoxide resin material and preparation thereof
  • Self-lubricating type epoxide resin material and preparation thereof
  • Self-lubricating type epoxide resin material and preparation thereof

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preparation example Construction

[0027] (1) Preparation of lubricating oil microcapsules: (a) weigh 2.0g SDBS, 2.0g PVA in a beaker containing 130ml, stir and dissolve, add 10.0g lubricating oil, stir and emulsify; (b) weigh 3.0g melamine, Measure 13.0ml of formaldehyde into a 500ml flask, add 40ml of water; (c) adjust the pH value to about 8.0 with 3% sodium hydroxide solution at 70°C, stir and dissolve for 5min; (d) add the prepared emulsion, 400rpm Stir and emulsify at 1 / min for 30 minutes; (e) adjust the pH value to about 4.0 with acetic acid, and stir for 3 hours; (f) stop the reaction, filter, and dry to obtain microcapsules, wherein the melamine-formaldehyde resin is the shell and the lubricating oil is the core.

[0028] (2) Preparation of epoxy resin composite material: Add the dried lubricating oil microcapsules into epoxy resin E-51, stir under vacuum mechanically at 100°C for 1h, heat to 130°C and slowly add curing agent 4, 4'- Diaminodiphenylsulfone (DDS) (E51 / DDS weight ratio = 100 / 32), let it f...

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Abstract

The invention discloses a self-lubricating type epoxy resin material and a preparation method thereof, belonging to the polymer material field. The self-lubricating type epoxy resin material comprises the following components in weight percentage: 60 to 80 percent of epoxy resin, 0.5 to 25 percent of lubricating oil microcapsules and 15 to 35 percent of curing agents. The preparation method for the self-lubricating type epoxy resin material comprises the following steps of well mixing the lubricating oil microcapsules, the epoxy resin with the curing agents and casting rapidly when to-be-mixed matter has gel phenomena, so as to obtain the self-lubricating type epoxy resin material. The invention also provides a lubricating oil microcapsule needed in the preparation of the epoxy resin material and a preparation method for the lubricating oil microcapsule. A technical proposal provided by the invention adds the lubricating oil microcapsules to the epoxy resin so as to prepare the epoxy resin compound material, which can remarkably improve the wear reducing-resisting performance of the epoxy resin material and has broad application prospects.

Description

technical field [0001] The invention relates to a self-lubricating epoxy resin material and a preparation method thereof, belonging to the field of polymer materials. Background technique [0002] Epoxy resin is a thermosetting polymer material widely used in coatings, adhesives, composite materials and other fields. Its cured product has the advantages of high strength, high modulus, good dimensional stability and strong corrosion resistance. However, due to the structural characteristics of the three-dimensional cross-linked network, the friction and wear properties of epoxy resin are poor. In order to reduce the friction coefficient and wear rate of epoxy resin, the traditional method is to use fibers and micron inorganic particles for filling modification, but generally the proportion of fillers used is very large, resulting in poor fluidity of epoxy resin before curing, which is difficult for processing. Bring great inconvenience. In recent years, due to the advantage...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L63/02C08K9/10C08K5/18C08K5/41C08J5/16C10M171/00B01J13/18
Inventor 章明秋郭清兵容敏智
Owner SUN YAT SEN UNIV
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