CN105295839B - It is a kind of using ceramic polished waste material as resin-matrix friction material of filler and preparation method thereof - Google Patents
It is a kind of using ceramic polished waste material as resin-matrix friction material of filler and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a kind of preparation method using ceramic polished waste material as the resin-matrix friction material of filler, comprise the following steps：First by 2~3h of ceramic polished waste material ball milling, then 200 mesh sieves are crossed, in terms of mass fraction, the waste granules after 54.7%~63.7% sieving and 36.3%~45.3% chopped carbon fiber are added in silane coupling agent aqueous solution, filtered out after being sufficiently mixed, is dry, obtaining pre-treated mixed material；Then in terms of mass fraction, 20~26 parts of pre-treated mixed material, 56~64 parts of phenolic resin, 16~26 parts of frictional property regulator are sufficiently mixed to obtain friction material mixture；Finally friction material mixture is fitted into the mould of pre-heating temperature elevation to 80~90 DEG C, by mould at a temperature of 130~135 DEG C, a hot-pressing processing is carried out under the pressure of 5~7MPa, after pressure release at a temperature of 160~170 DEG C, secondary hot pressing processing is carried out under the pressure of 5~7MPa, finally by annealing.The present invention can improve resin base synthesis tribological property, and can effectively alleviate the problem of ceramic polished waste material application processing is difficult.
Description
Technical field
The present invention relates to the preparation method of resin-matrix friction material, and in particular to a kind of using ceramic polished waste material as filler
Resin-matrix friction material and preparation method thereof.
Background technology
Social economy and the fast development of ceramic industry, ceramic industry waste material is increasing, it not only makes urban environment
Into immense pressure, and the sustainable development of ceramic industry is also limit, so the processing of ceramic industry waste material is with utilizing very
It is important.Shraff classification at present mainly has, base substrate waste material, and give up glaze, burns till waste material and polished waste material etc..The place of various waste materials
Reason approach, is roughly divided into following several：(1) it is used for the preparation of road pavements.Application No. CN201410341102's
In Chinese patent " a kind of to utilize road pavements of shraff and preparation method thereof ", using ceramic body waste material as thickness
Aggregate is applied in road pavements, reaches preferable environmental benefit；(2) China of Application No. CN201210221709.5
Patent " a kind of method that aerating hollow brick is prepared using shraff ", there is provided one kind is by ceramic block waste material through crushing again
Applied to the method in the production of aerating hollow brick after processing；(3) China that number of patent application is CN201010504967.5 is special
Profit " it is a kind of with shraff produce air-entrained concrete building block and its manufacture method ", by ceramic polished waste material it is sorted, it is broken,
Magnetic separation, the powder of gained is prepared for air-entrained concrete building block as part material after drying and other steps, can reach preferable effect
Fruit；(4) processing mode of other shrafves such as landfill method.The above-mentioned processing mode for listing a variety of shrafves.On although
Stating method has shraff preferable processing, but mostly using ceramic block material as object, is produced for ceramic deep processing
Polishing abrasive dust waste material, so far also without preferable processing method.
Resin base synthetic friction material is mainly by resin matrix, fiber reinforcement phase, filler, frictional property regulator etc. four
It is grouped into.Particle enhancing is carried out by adding filler, is the important method of modified friction material.Strengthen modified tree for particle
The research of aliphatic radical composite friction material is very much, in document " montmorillonite intercalation modified phenolic resin composite material and its fretting wear
In performance ", Xu Wen etc. is prepared for imvite modified phenolic resin-base composite and have studied its friction and wear behavior, hence it is evident that
Improve the heat resistance of composite material.Pass through dry method in Wang Zhanhong etc. " flyash reinforced resin base frication material wear debris topography "
Hot technique is prepared for flyash reinforced resin base frication material, and tests its friction and wear behavior, the results showed that, use fine coal
Ash is added in friction material as filler improves and stabilizes its friction coefficient, reduces wear rate.To sum up, appropriate particle
Enhancing friction material can effectively improve the tribological property of material.
The content of the invention
It is an object of the invention to provide a kind of resin-matrix friction material using ceramic polished waste material as filler and its preparation
Method, to overcome the problems of the above-mentioned prior art, the present invention can improve resin base synthesis tribological property, and can effectively delay
The problem of ceramic polished waste material application processing is difficult is solved, the resin-matrix friction material frictional behaviour prepared using the method for the present invention is steady
It is fixed, wear-resisting, corrosion-resistant, relative density is small, specific strength is high.
To reach above-mentioned purpose, the present invention adopts the following technical scheme that：
A kind of preparation method using ceramic polished waste material as the resin-matrix friction material of filler, comprises the following steps：
Step 1：By 2~3h of ceramic polished waste material ball milling, 200 mesh sieves are then crossed, in terms of mass fraction, by 54.7%~
Waste granules and 36.3%~45.3% chopped carbon fiber after 63.7% sieving are added in silane coupling agent aqueous solution, are filled
Divide after mixing and filter out, is dry, obtain pre-treated mixed material；
Step 2：In terms of mass fraction, by 20~26 parts of pre-treated mixed material, 56~64 parts of phenolic resin, 16~
26 parts of frictional property regulator is sufficiently mixed to obtain friction material mixture；
Step 3：Friction material mixture is fitted into the mould of pre-heating temperature elevation to 80~90 DEG C, by mould 130~
At a temperature of 135 DEG C, a hot-pressing processing is carried out under the pressure of 5~7MPa, after pressure release at a temperature of 160~170 DEG C, 5~
Secondary hot pressing processing is carried out under the pressure of 7MPa, finally obtains the resin base friction using ceramic polished waste material as filler by annealing
Material.
Further, the ceramic polished waste material described in step 1 is that the particle diameter that ceramics produce in polishing process is 20 μm
~500 μm of granular mixture.
Further, the chopped carbon fiber described in step 2 is polyacrylonitrile-based carbon fibre, the length of 0.6mm~
1.5mm。
Further, the phenolic resin described in step 2 is cashew nut shell phenol-formaldehyde resin modified or acrylonitrile butadiene rubber modified phenolic aldehyde
Resin.
Further, the frictional property regulator described in step 2 is graphite, molybdenum disulfide, montmorillonite, vermiculite power, cloud
The mixture of any mass ratio of one or more in mother, aluminium oxide, calcium carbonate, silica flour or barium sulfate.
Further, the time of a hot-pressing processing is 10~20min in step 3.
Further, secondary hot pressing processing includes 10~12 hot pressing pressure releases processing, the time of each hot pressing in step 3
For 3~5min.
Further, the method annealed in step 3 is：The blank obtained after secondary hot pressing is handled is at 90~100 DEG C
When placement 22~26 is small.
A kind of preparation method using ceramic polished waste material as the resin-matrix friction material of filler, comprises the following steps：
Step 1：The particle diameter that ceramics are produced in polishing process is 20 μm~500 μm of granular mixture in planet
Ball milling 2h in formula ball mill, then crosses 200 mesh sieves, in terms of mass fraction, by the waste granules after 63.7% sieving and
36.3% length is added in silane coupling agent aqueous solution for the polyacrylonitrile-based carbon fibre of 0.6mm~1.5mm specifications, fully mixed
Filtered out after conjunction, is dry, obtaining pre-treated mixed material；
Step 2：In terms of mass fraction, by 23 parts of pre-treated mixed material, 59 parts of phenolic resin, 18 parts of frictional property
It can be sufficiently mixed to obtain friction material mixture in the swing high speed mixer of conditioning agent input, wherein, acrylonitrile butadiene rubber modified phenol
Urea formaldehyde；Frictional property regulator is aluminium oxide；
Step 3：Friction material mixture is fitted into the mould of pre-heating temperature elevation to 90 DEG C, by mould at 135 DEG C after molding
At a temperature of, a hot-pressing processing 15min is carried out under the pressure of 7MPa, after pressure release at a temperature of 170 DEG C, under the pressure of 7MPa into
The processing of row secondary hot pressing, secondary hot pressing processing include 12 hot pressing pressure releases processing, and the time of each hot pressing is 5min, finally by two
The blank obtained after secondary hot-pressing processing placed at 100 DEG C 24 it is small when the resin base that obtains using ceramic polished waste material as filler rub
Wipe material.
A kind of resin-matrix friction material using ceramic polished waste material as filler, by the resin using ceramic polished waste material as filler
The preparation method of base frication material is made.
Compared with prior art, the present invention has technique effect beneficial below：
The present invention proposes a kind of scheme that friction material is prepared using industrial waste, using the ceramics for being relatively difficult to efficiently use
Polished waste material is part material.The ceramic polished waste material used in the present invention for Ceramic Tiles deep processing glossing in the powder that produces
Last shape waste material, is added to resin base synthetic friction material, can improve resin base synthesis tribological property, and can effectively alleviate
The problem of ceramic polished waste material application processing hardly possible, and reduce production cost.According to preparation method of the present invention, can make full use of
The characteristics of ceramic polished waste material hardness is big, particle diameter is suitable, and by coupling agent modified, after strengthening its binding ability with resin,
Strengthen the mechanism mechanism of mechanical property and solid particle intermediate layer lubrication by particle, reach enhancing friction material tribological property
Purpose.From prepared by friction material stable friction performance, wear-resisting, corrosion-resistant, relative density is small, specific strength is high.
Brief description of the drawings
Fig. 1 is the SEM figures of the friction material prepared by embodiment 2；
Fig. 2 is the variation diagram of the friction coefficient test rate of friction material prepared by embodiment 2.
Embodiment
Embodiments of the present invention are described in further detail below：
A kind of preparation method using ceramic polished waste material as the resin-matrix friction material of filler, comprises the following steps：
Step 1：The particle diameter that ceramics are produced in polishing process is 20 μm~500 μm of granular mixture in planet
2~3h of ball milling in formula ball mill, then crosses 200 mesh sieves, in terms of mass fraction, by the waste material after 54.7%~63.7% sieving
It is water-soluble that particle and the polyacrylonitrile-based carbon fibre that 36.3%~45.3% length is 0.6mm~1.5mm add silane coupling agent
In liquid, filtered out after being sufficiently mixed, is dry, obtaining pre-treated mixed material；
Step 2：In terms of mass fraction, by 20~26 parts of pre-treated mixed material, 56~64 parts of phenolic resin, 16~
26 parts of frictional property regulator puts into swing high speed mixer and is sufficiently mixed to obtain friction material mixture, wherein, phenol
Urea formaldehyde is cashew nut shell phenol-formaldehyde resin modified or nitrile rubber modified phenolic resin；Frictional property regulator is graphite, curing
Any mass ratioes of one or more in molybdenum, montmorillonite, vermiculite power, mica, aluminium oxide, calcium carbonate, silica flour or barium sulfate
Mixture；
Step 3：Friction material mixture is fitted into the mould of pre-heating temperature elevation to 80~90 DEG C, mould exists after molding
At a temperature of 130~135 DEG C, a hot-pressing processing 15min is carried out under the pressure of 5~7MPa, at 160~170 DEG C after pressure release
At a temperature of, secondary hot pressing processing is carried out under the pressure of 5~7MPa, secondary hot pressing processing includes 10~12 hot pressing pressure releases processing,
The time of each hot pressing is 3~5min, and the blank obtained after finally secondary hot pressing is handled places 22~26 at 90~100 DEG C
Hour obtains the resin-matrix friction material using ceramic polished waste material as filler.
The present invention is described in further detail with reference to embodiment：
Embodiment 1
Step 1：The particle diameter that ceramics are produced in polishing process is 20 μm~500 μm of granular mixture in planet
Ball milling 2h in formula ball mill, then crosses 200 mesh sieves, in terms of mass fraction, by the waste granules after 54.7% sieving and
45.3% length is added in silane coupling agent aqueous solution for the polyacrylonitrile-based carbon fibre of 0.6mm~1.5mm specifications, fully mixed
Filtered out after conjunction, is dry, obtaining pre-treated mixed material；
Step 2：In terms of mass fraction, by 20 parts of pre-treated mixed material, 60 parts of phenolic resin, 20 parts of frictional property
It can be sufficiently mixed to obtain friction material mixture in the swing high speed mixer of conditioning agent input, wherein, phenolic resin is cashew nut
Shell phenol-formaldehyde resin modified；Frictional property regulator is graphite；
Step 3：Friction material mixture is fitted into the mould of pre-heating temperature elevation to 80 DEG C, by mould at 135 DEG C after molding
At a temperature of, a hot-pressing processing 15min is carried out under the pressure of 7MPa, is carried out after pressure release under 165 DEG C, the pressure of 6MPa secondary
Hot-pressing processing, secondary hot pressing processing include 10 hot pressing pressure releases processing, and the time of each hot pressing is 5min, finally by secondary hot pressing
The blank obtained after processing placed at 100 DEG C 22 it is small when obtain resin base friction material using ceramic polished waste material as filler
Material, the friction coefficient of prepared friction material is between 0.27~0.39, and wear rate is 6.03~6.35 × 10-5mm3/(N·
M) between.
Embodiment 2
Step 1：The particle diameter that ceramics are produced in polishing process is 20 μm~500 μm of granular mixture in planet
Ball milling 2h in formula ball mill, then crosses 200 mesh sieves, in terms of mass fraction, by the waste granules after 63.7% sieving and
36.3% length is added in silane coupling agent aqueous solution for the polyacrylonitrile-based carbon fibre of 0.6mm~1.5mm specifications, fully mixed
Filtered out after conjunction, is dry, obtaining pre-treated mixed material；
Step 2：In terms of mass fraction, by 23 parts of pre-treated mixed material, 59 parts of phenolic resin, 18 parts of frictional property
It can be sufficiently mixed to obtain friction material mixture in the swing high speed mixer of conditioning agent input, wherein, acrylonitrile butadiene rubber modified phenol
Urea formaldehyde；Frictional property regulator is aluminium oxide；
Step 3：Friction material mixture is fitted into the mould of pre-heating temperature elevation to 90 DEG C, by mould at 135 DEG C after molding
At a temperature of, a hot-pressing processing 15min is carried out under the pressure of 7MPa, after pressure release at a temperature of 170 DEG C, under the pressure of 7MPa into
The processing of row secondary hot pressing, secondary hot pressing processing include 12 hot pressing pressure releases processing, and the time of each hot pressing is 5min, finally by two
The blank obtained after secondary hot-pressing processing placed at 100 DEG C 24 it is small when the resin base that obtains using ceramic polished waste material as filler rub
Material is wiped, the friction coefficient of gained friction material is between 0.3~0.4, and wear rate is 5.63~6.04 × 10-5mm3/(N·m)
Between.
Embodiment 3
Step 1：The particle diameter that ceramics are produced in polishing process is 20 μm~500 μm of granular mixture in planet
Ball milling 3h in formula ball mill, then crosses 200 mesh sieves, in terms of mass fraction, by the waste granules after 61.5% sieving and
38.5% length is added in silane coupling agent aqueous solution for the polyacrylonitrile-based carbon fibre of 0.6mm~1.5mm specifications, fully mixed
Filtered out after conjunction, is dry, obtaining pre-treated mixed material；
Step 2：In terms of mass fraction, by 21 parts of pre-treated mixed material, 56 parts of phenolic resin, 26 parts of frictional property
It can be sufficiently mixed to obtain friction material mixture in the swing high speed mixer of conditioning agent input, wherein, phenolic resin is cashew nut
Shell phenol-formaldehyde resin modified；Frictional property regulator is molybdenum disulfide, montmorillonite, the mixture of vermiculite power；
Step 3：Friction material mixture is fitted into the mould of pre-heating temperature elevation to 90 DEG C, by mould at 130 DEG C after molding
At a temperature of, a hot-pressing processing 15min is carried out under the pressure of 5MPa, after pressure release at a temperature of 165 DEG C, under the pressure of 7MPa into
The processing of row secondary hot pressing, secondary hot pressing processing include 11 hot pressing pressure releases processing, and the time of each hot pressing is 3min, finally by two
The blank obtained after secondary hot-pressing processing placed at 90 DEG C 26 it is small when the resin base that obtains using ceramic polished waste material as filler rub
Material is wiped, the friction coefficient of prepared friction material is between 0.25~0.38, and wear rate is 5.92~6.37 × 10-5mm3/
(Nm) between.
Embodiment 4
Step 1：The particle diameter that ceramics are produced in polishing process is 20 μm~500 μm of granular mixture in planet
Ball milling 3h in formula ball mill, then crosses 200 mesh sieves, in terms of mass fraction, by the waste granules after 58% sieving and 42%
Length is added in silane coupling agent aqueous solution for the polyacrylonitrile-based carbon fibre of 0.6mm~1.5mm specifications, is filtered after being sufficiently mixed
Go out, is dry, obtaining pre-treated mixed material；
Step 2：In terms of mass fraction, by 26 parts of pre-treated mixed material, 64 parts of phenolic resin, 16 parts of frictional property
It can be sufficiently mixed to obtain friction material mixture in the swing high speed mixer of conditioning agent input, wherein, acrylonitrile butadiene rubber modified phenol
Urea formaldehyde；Frictional property regulator is molybdenum disulfide, montmorillonite, vermiculite power, mica, aluminium oxide, calcium carbonate, silica flour, sulfuric acid
The mixture of barium；
Step 3：Friction material mixture is fitted into the mould of pre-heating temperature elevation to 80 DEG C, by mould at 130 DEG C after molding
At a temperature of, a hot-pressing processing 15min is carried out under the pressure of 6MPa, after pressure release at a temperature of 160 DEG C, under the pressure of 5MPa into
The processing of row secondary hot pressing, secondary hot pressing processing include 11 hot pressing pressure releases processing, and the time of each hot pressing is 3min, finally by two
The blank obtained after secondary hot-pressing processing placed at 90 DEG C 24 it is small when the resin base that obtains using ceramic polished waste material as filler rub
Wipe material.
Claims (6)
1. a kind of preparation method using ceramic polished waste material as the resin-matrix friction material of filler, it is characterised in that including following
Step：
Step 1：By 2~3h of ceramic polished waste material ball milling, 200 mesh sieves are then crossed, in terms of mass fraction, by 54.7%~
Waste granules and 36.3%~45.3% chopped carbon fiber after 63.7% sieving are added in silane coupling agent aqueous solution, are filled
Divide after mixing and filter out, is dry, obtain pre-treated mixed material, wherein chopped carbon fiber is polyacrylonitrile-based carbon fibre, the length of
0.6mm~1.5mm；
Step 2：In terms of mass fraction, by 20~26 parts of pre-treated mixed material, 56~64 parts of phenolic resin, 16~26 parts
Frictional property regulator be sufficiently mixed to obtain friction material mixture, wherein phenolic resin for cashew nut shell phenol-formaldehyde resin modified or
Nitrile rubber modified phenolic resin；
Step 3：Friction material mixture is fitted into the mould of pre-heating temperature elevation to 80~90 DEG C, by mould at 130~135 DEG C
At a temperature of, a hot-pressing processing is carried out under the pressure of 5~7MPa, the time of a hot-pressing processing is 10~20min, after pressure release
At a temperature of 160~170 DEG C, secondary hot pressing processing is carried out under the pressure of 5~7MPa, secondary hot pressing processing includes 10~12 times
Hot pressing pressure release is handled, and the time of each hot pressing is 3~5min, finally obtains the tree using ceramic polished waste material as filler by annealing
Aliphatic radical friction material.
2. a kind of preparation method using ceramic polished waste material as the resin-matrix friction material of filler according to claim 1,
It is characterized in that, it is 20 μm~500 μ that the ceramic polished waste material described in step 1, which is the particle diameter that ceramics produce in polishing process,
The granular mixture of m.
3. a kind of preparation method using ceramic polished waste material as the resin-matrix friction material of filler according to claim 1,
It is characterized in that, the frictional property regulator described in step 2 is graphite, molybdenum disulfide, montmorillonite, vermiculite power, mica, oxygen
Change the mixture of any mass ratio of one or more in aluminium, calcium carbonate, silica flour or barium sulfate.
4. a kind of preparation method using ceramic polished waste material as the resin-matrix friction material of filler according to claim 1,
It is characterized in that, the method annealed in step 3 is：The blank obtained after secondary hot pressing is handled places 22 at 90~100 DEG C
~26 it is small when.
5. a kind of preparation method using ceramic polished waste material as the resin-matrix friction material of filler, it is characterised in that including following
Step：
Step 1：The particle diameter that ceramics are produced in polishing process is 20 μm~500 μm of granular mixture in planetary ball
Ball milling 2h in grinding machine, then crosses 200 mesh sieves, in terms of mass fraction, by waste granules after 63.7% sieving and 36.3%
Length is added in silane coupling agent aqueous solution for the polyacrylonitrile-based carbon fibre of 0.6mm~1.5mm specifications, is filtered after being sufficiently mixed
Go out, is dry, obtaining pre-treated mixed material；
Step 2：In terms of mass fraction, by 23 parts of pre-treated mixed material, 59 parts of phenolic resin, 18 parts of frictional behaviour tune
Section agent, which is put into swing high speed mixer, to be sufficiently mixed to obtain friction material mixture, wherein, phenolic resin is nitrile rubber
Phenol-formaldehyde resin modified；Frictional property regulator is aluminium oxide；
Step 3：Friction material mixture is fitted into the mould of pre-heating temperature elevation to 90 DEG C, by temperature of the mould at 135 DEG C after molding
Under degree, a hot-pressing processing 15min is carried out under the pressure of 7MPa, two are carried out at a temperature of 170 DEG C, under the pressure of 7MPa after pressure release
Secondary hot-pressing processing, secondary hot pressing processing include 12 hot pressing pressure releases processing, and the time of each hot pressing is 5min, finally by second heat
After pressure processing obtained blank placed at 100 DEG C 24 it is small when obtain resin base friction material using ceramic polished waste material as filler
Material.
6. a kind of resin-matrix friction material using ceramic polished waste material as filler, it is characterised in that any by Claims 1 to 5
The preparation method using ceramic polished waste material as the resin-matrix friction material of filler described in is made.
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