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High-strength wear-resistant friction material and preparation method thereof

A friction material and wear-resistant technology, applied in the field of friction materials, can solve problems such as uneven dispersion and easy agglomeration of basalt fibers, and achieve the effects of easy agglomeration, outstanding mechanical properties, and good wear resistance.

Active Publication Date: 2022-04-05
武汉中科先进材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to address the deficiencies of the prior art. The present invention provides a high-strength wear-resistant friction material and its preparation method, which solves the problem of easy agglomeration and uneven dispersion of basalt fibers, and prevents the friction surface of the product from appearing due to fiber pull-out Big defect

Method used

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  • High-strength wear-resistant friction material and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] (1) Basalt fiber pretreatment: Basalt cut fibers with a length of 3mm in the market, and 13 um short cutting fibers with a length of 0.5 to 1.5 mm, and treated with a silane coupling agent;

[0024] (2) Glosene microcapsules prepare: The core material is a microcapsule which is a graphene, the shell material is the amino resin.

[0025] (3) ingredients and mixed: According to the proportion, the mixing mixing machine is used to mix the mixing mixture, so that all materials are uniform, including 8 pieces of basalt fiber, 1 graphene microcapsules, 16 graphite 35 parts of composite fiber, 2 nitrile rubber powder, 6 phenolic resins, 16 copies of sulfate, 4 copies of iron sulfide, 4 corrupted magnesium oxide, and 5 chromium iron ore;

[0026] (4) Hot pressing: according to the weight of the single piece product, it is installed in the mold, and the molding temperature is 170 ° C, the preload time is 45 s, the pressure relief exhaustion is 5 times, the heat pressure pressure is ...

Embodiment 2

[0029] (1) Basalt fiber pretreatment: Basalt cut fibers with a length of 3mm in the market, and 13 um short cutting fibers with a length of 0.5 to 1.5 mm, and treated with a silane coupling agent;

[0030] (2) Glosene microcapsules prepare: The core material is a microcapsule which is a graphene, the shell material is the amino resin;

[0031] (3) ingredients and mixes: It is proportionally weighing various materials, using a plow-type mixer for stirring, so that all materials are dispersed uniform, including 12 copies of basalt fibers, 2 graphene microcapsules, 15 graphite 31 parts of composite fiber, 2 nitrile rubber powder, 6 phenolic resins, 16 copies of sulfate, 4 parts of sulfide, 4 corrupted magnesium oxide, and 5 chromium iron ore;

[0032] (4) Hot pressing: according to the weight of the single piece product, it is installed in the mold, and the molding temperature is 170 ° C, the preload time is 45 s, the pressure relief exhaustion is 5 times, the heat pressure pressure ...

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Abstract

The invention belongs to the technical field of friction materials, and particularly relates to a high-strength wear-resistant friction material and a preparation method thereof.The high-strength wear-resistant friction material comprises 8-12 parts of basalt fibers, 0.5-2 parts of graphene microcapsules, 10-16 parts of graphite, 25-35 parts of composite fibers, 2-3 parts of butyronitrile rubber powder, 5-6 parts of phenolic resin, 16 parts of barium sulfate, 4 parts of iron sulfide, 4 parts of magnesium oxide, 3 parts of aluminum oxide and 5 parts of chromite. According to the multi-component composite material with the basalt fibers and other fibers as reinforcing fibers and the graphene microcapsules as filler, the preparation method solves the problems that the basalt fibers are prone to agglomeration and uneven in dispersion, and large defects of a friction surface of a product due to fiber pulling out are avoided; meanwhile, graphene is wrapped in microcapsules and added into the friction material, and the problems that graphene is not prone to being evenly dispersed, and the bonding strength between graphene and a resin interface is low are solved.

Description

Technical field [0001] The invention belongs to the technical field of friction materials, and more particularly to a high strength wear resistant friction material and a preparation method thereof. Background technique [0002] The friction material is a multi-composite material, which is manufactured by an adhesive, enhanced fiber, and filler, manufactured by a series of processing processes, not only having good friction performance, but also has good resistance. Thermal and mechanical strength. [0003] The basalt fiber has excellent high temperature resistance, highlight mechanical properties, good sound absorbing performance and green environmental protection, is a new type of inorganic fiber material with excellent overall performance and high cost performance. Basalt fiber is used in friction materials. For example, the prior art CN 103410893 B discloses a urban rail vehicle synthetic brake watt and its manufacturing method. Similar to the existing technology CN 108659288...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B26/12C04B20/10C04B14/02
Inventor 康翼鸿喻学锋秦永利何睿高明
Owner 武汉中科先进材料科技有限公司
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