CN104802477B - A kind of high temperature resistant type polymer composite main friction plate for cam driver and its production method - Google Patents
A kind of high temperature resistant type polymer composite main friction plate for cam driver and its production method Download PDFInfo
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Abstract
The present invention relates to a kind of high temperature resistant type polymer composite main friction plate for cam driver, and it includes enhancement layer and wearing layer, and the enhancement layer is made up of 35 45 parts of modification by copolymerization resins and 55 65 parts of alkali-free glass cloths；The wearing layer is made up of 12 20 parts of sepiolite fibres, 5 ~ 15 parts of molybdenum disulfide, 10 ~ 15 parts of graphite, 1 ~ 5 part of copper fiber, 1 ~ 5 part of aramid fiber, 9 ~ 15 parts of carbon fibers, 3 ~ 8 parts of glass fibres, 5 ~ 10 parts of chromite powders, 5 ~ 10 parts of kaolin, 1 ~ 4 part of titanium dioxide, 14 ~ 23 parts of modification by copolymerization resins；The modification by copolymerization resin is made up of 1.0 1.7 part of 4.4 diphenyl methane dimaleimide and 0.6 1.2 parts of diallyl bisphenols.The decomposition temperature that the present invention makes to be chronically at friction plate among the larger fricting shearing stress operating mode in part greatly improves.The present invention also provides the production method of above-mentioned high temperature resistant type polymer composite main friction plate for cam driver.
Description
Technical field
The present invention relates to belong to railcar equipment technical field, and in particular to a kind of fire resistant polymer composite is oblique
The main friction plate of wedge and its production method.
Background technology
Polymer composite main friction plate for cam driver is one of railway truck's accessories, is subtracted installed in roller bearing adapter stabilizer bar friction
Shake in device wedge body, be chronically among larger fricting shearing stress operating mode.
The matrix of existing friction material（Adhesive）It is thermosetting resin phenolic resin and rubber.When friction plate is located for a long time
Among larger fricting shearing stress operating mode, its friction surface with metal pairs can produce very high temperature, reach 200-300
DEG C, even more high.This has reached the heat decomposition temperature region of resin and rubber.Now macromolecular due to heat drop be situated between produce liquid or
Gaseous lower-molecular substance, one layer of very thin liquid or gaseous medium layer are formed on friction surface, or this dielectric layer only covers
A part of surface, make to be that the working condition of pure friction or dry friction is changed into the situation of mixed film friction originally, macroscopically reflecting
Decline for coefficient of friction drastically declines, and causes heat fading.
In view of this, it is necessary to invent a kind of high temperature resistant type polymer composite main friction plate for cam driver.
The content of the invention
A kind of the defects of technical problems to be solved by the invention are to overcome prior art, there is provided high temperature resistant type macromolecule
Composite main friction plate for cam driver, its can overcome main friction plate for cam driver in use the decline of coefficient of friction or drastically under
Drop, cause the defects of heat fading.
In order to solve the above technical problems, the technical solution used in the present invention is：
A kind of high temperature resistant type polymer composite main friction plate for cam driver, it includes enhancement layer and wearing layer, its crucial skill
Art is：
The enhancement layer is made up of modification by copolymerization resin and alkali-free glass cloth, the modification by copolymerization resin and alkali-free glass cloth
Weight ratio be 35-45：55-65；
The wearing layer is made up of following parts by weight of component：Sepiolite fibre 12-20 parts, 5 ~ 15 parts of molybdenum disulfide, graphite
10 ~ 15 parts, 1 ~ 5 part of copper fiber, 1 ~ 5 part of aramid fiber, 9 ~ 15 parts of carbon fiber, 3 ~ 8 parts of glass fibre, 5 ~ 10 parts of chromite powder,
14 ~ 23 parts of 5 ~ 10 parts of kaolin, 1 ~ 4 part of titanium dioxide and modification by copolymerization resin；
The modification by copolymerization resin is made up of 4,4- diphenyl methane dimaleimides and diallyl bisphenol, and described 4,
The weight of 4- diphenyl methane dimaleimides and diallyl bisphenol ratio is 1.0-1.7：0.6-1.2.
Further, a kind of high temperature resistant type polymer composite main friction plate for cam driver, it is characterised in that：
In the enhancement layer, the weight ratio of modification by copolymerization resin and alkali-free glass cloth is 45：55；
The wearing layer is made up of following parts by weight of component：14 parts of sepiolite fibre, 12 parts of molybdenum disulfide, 12 parts of graphite,
4 parts of copper fiber, 4 parts of aramid fiber, 9 parts of carbon fiber, 3 parts of glass fibre, 9 parts of chromite powder, 10 parts of kaolin, 3 parts of titanium dioxide
With 20 parts of modification by copolymerization resin；
In the modification by copolymerization resin, the weight ratio of 4,4- diphenyl methane dimaleimides and diallyl bisphenol is
1.6：0.9.
Further, described high temperature resistant type polymer composite main friction plate for cam driver, is prepared by following steps；
（1）Resin copolyreaction
1.1 weigh 4,4- diphenyl methane dimaleimides and diallyl bisphenol according to above-mentioned weight ratio, and addition is urged
Agent；
The material of step 1.1 is heated to certain temperature by 1.2 in reaction vessel dissolves pre-polymerization, and controlling reaction temperature exists
125 ~ 130 DEG C, 3.5 ~ 4 hours pre-polymerization time, produce solid-like modification by copolymerization resin；
1.3 crush the solid-like modification by copolymerization resin obtained in step 1.2, cross 100 mesh sieves, produce modification by copolymerization tree
Cosmetics；
（2）The preparation of enhancement layer blank
Modification by copolymerization resin-oatmeal is dissolved with acetone by above-mentioned weight ratio, impregnated glass fiber cloth, enhancement layer blank is made；
（3）The preparation of wearing layer raw material
By sepiolite fibre 12-20 parts, 5 ~ 15 parts of molybdenum disulfide, 10 ~ 15 parts of graphite, 1 ~ 5 part of copper fiber, aramid fiber 1 ~
5 parts, 9 ~ 15 parts of carbon fiber, 3 ~ 8 parts of glass fibre, 5 ~ 10 parts of chromite powder, 5 ~ 10 parts of kaolin, 1 ~ 4 part of titanium dioxide and copolymerization
14 ~ 23 parts of modified resin, is stirred to form wearing layer raw material through high speed shredding；
（4）By step（2）The enhancement layer blank of gained is preheating to 210 DEG C with wearing layer raw material, addition is mixed to form
In mould, pressurize 20 ~ 25Mpa, pressure-maintaining and heat-preservation 1h depannings；
（5）It is heat-treated after depanning, 230 DEG C for the treatment of temperature, 10 hours time, is down to room temperature and both obtained.
Further, the step（3）Stirred 3 minutes through high speed shredding.
Another aspect of the present invention also provides above-mentioned high temperature resistant type polymer composite main friction plate for cam driver production method, tool
Body comprises the following steps：
（1）Resin copolyreaction：
1.1 weigh raw material according to following weight ratio：4,4- diphenyl methane dimaleimides and diallyl bisphenol
Weight ratio is 1.0-1.7：0.6-1.2, add catalyst；
The material of step 1.1 is heated to certain temperature by 1.2 in reaction vessel dissolves pre-polymerization, controlling reaction temperature temperature
At 125 ~ 130 DEG C, 3.5 ~ 4 hours pre-polymerization time, solid-like modification by copolymerization resin is produced；
1.3 crush the solid-like modification by copolymerization resin obtained in step 1.2, cross 100 mesh sieves, produce modification by copolymerization resin
Powder；
（2）The preparation of enhancement layer blank
Raw material is weighed according to following weight ratio：Weigh step（1）The modification by copolymerization resin and alkali-free glass cloth of middle gained, its
Weight ratio is 35-45：55-65；Modification by copolymerization resin-oatmeal is dissolved with acetone, impregnated glass fiber cloth, enhancement layer blank is made；
（3）The preparation of wearing layer raw material
Raw material are weighed by following weight parts：Sepiolite fibre 12-20 parts, 5 ~ 15 parts of molybdenum disulfide, 10 ~ 15 parts of graphite,
1 ~ 5 part of copper fiber, 1 ~ 5 part of aramid fiber, 9 ~ 15 parts of carbon fiber, 3 ~ 8 parts of glass fibre, 5 ~ 10 parts of chromite powder, kaolin 5 ~
14 ~ 23 parts of 10 parts, 1 ~ 4 part of titanium dioxide and modification by copolymerization resin；
The raw material of above-mentioned parts by weight are stirred to form wearing layer raw material through high speed shredding；
（4）By enhancement layer blank and wearing layer raw material are mixed to form, addition is preheating in 210 DEG C of mould, pressurization 20 ~
25Mpa, pressure-maintaining and heat-preservation 1h depannings；
（5）It is heat-treated after depanning, 230 DEG C for the treatment of temperature, 10 hours time, is down to room temperature and both obtained.
Further, in step 1.1, the weight of 4, the 4- diphenyl methane dimaleimides and diallyl bisphenol
Than for 1.6：0.9；
Step（2）In, the weight ratio of the modification by copolymerization resin and alkali-free glass cloth is 45：55；
The step（3）In, weigh raw material by following parts by weight of component：14 parts of sepiolite fibre, 12 parts of molybdenum disulfide, stone
12 parts of ink, 4 parts of copper fiber, 4 parts of aramid fiber, 9 parts of carbon fiber, 3 parts of glass fibre, 9 parts of chromite powder, 10 parts of kaolin, titanium
20 parts of 3 parts of white powder and modification by copolymerization resin.
Further, the catalyst described in step 1.1 is n-butylamine.
Further, the catalyst amount is the weight of 4,4- diphenyl methane dimaleimides and diallyl bisphenol
3 ‰ ~ the 20 ‰ of amount.
Compared with prior art, what the present invention obtained has the beneficial effect that：
High temperature resistant type main friction plate for cam driver provided by the present invention, using 4,4- diphenyl methane dimaleimides and two
Pi-allyl bisphenol-A modification by copolymerization, increase are chronically at the decomposition temperature among the larger fricting shearing stress operating mode in part, polymer
Temperature of initial decomposition at 386.6 DEG C（See Fig. 4）, most of more than 400 DEG C, this makes its heat resistance more excellent than epoxy, phenolic aldehyde
More more.High temperature resistant type main friction plate for cam driver Physical Mechanical provided by the present invention can exceed that fortune loading truck after testing【2007】
No. 250 literary regulations.
Brief description of the drawings
Fig. 1 phenolic resin DSC schemes.
Fig. 2 phenolic resin TG schemes.
Fig. 3 modification by copolymerization resins DSC schemes.
Fig. 4 modification by copolymerization resins TG schemes.
Embodiment
The present invention is described in more detail below in conjunction with specific embodiment.
Embodiment 1
A kind of high temperature resistant type polymer composite main friction plate for cam driver, its production method are as follows：
（1）Resin copolyreaction：
Raw material is weighed by following parts by weight of component：4,4- diphenyl methane dimaleimide 1.6Kg, diallyl bis-phenol
A0.9Kg。
4,4- diphenyl-methane spans are added by proportioning carry out acyl in the there-necked flask equipped with agitator, thermometer and reflux condensation mode
Imines, diallyl bisphenol and catalyst, it is heated to 125 DEG C and dissolves pre-polymerization, controlling reaction temperature is at 125 ~ 130 DEG C, pre-polymerization
Between 3.5 ~ 4 hours, you can solid-like modification by copolymerization resin.The sieving of 100 mesh is crushed, modification by copolymerization resin required for producing
Powder.Wherein, the catalyst uses n-butylamine, and its dosage is the dosage of general chemical reacting middle catalyst, with 4,4- hexichol first
The 3 ‰ of the weight of alkane BMI and diallyl bisphenol ~ 20 ‰ are advisable.
（2）The preparation of enhancement layer blank
By weight ratio by modification by copolymerization resin-oatmeal 45g and acetone 1:1 dissolves, impregnated glass fiber cloth 55g, is made required
Enhancement layer blank.
（3）The preparation of wear-resisting layer material
3.1 weigh each component material by following parts by weight：Sepiolite fibre 14g, molybdenum disulfide 12g, graphite 12g, copper are fine
Tie up 4g, aramid fiber 4g, carbon fiber 9g, glass fibre 3g, chromite powder 9g, kaolin 10g, titanium dioxide 3g and modification by copolymerization tree
Fat 20g；
3.2 opening fibers 3 minutes, then add lubricant, filler and resin, and high speed shredding forms wearing layer material in 3 minutes
Material；
Stirred specifically, opening fiber adds sepiolite fibre, aramid fiber, carbon fiber and glass fibre, shredding for 3 minutes
Mix 3 minutes；
Lubricant, filler and resin are added, that is, adds molybdenum disulfide, graphite, copper fiber, chromite powder, kaolin, titanium white
Powder and modification by copolymerization resin, then high speed shredding are stirred 3 minutes and form wear-resisting layer material.
（4）By enhancement layer blank and wearing layer raw material are mixed to form, addition is preheating in 210 DEG C of mould, pressurization 20 ~
25Mpa, pressure-maintaining and heat-preservation 1h depannings.
（5）The friction plate suppressed is put into the environment of 230 DEG C of temperature, is incubated 10 hours, be down to room temperature and both obtained.
By fortune loading truck【2007】No. 250 documentation requirements detect physical and mechanical properties, are specifically shown in Tables 1 and 2.
The wearing layer physical and mechanical properties of table 1
The enhancement layer physical and mechanical properties of table 2
As seen from the above table, every physical and mechanical properties of product meets fortune loading truck obtained by embodiment 1【2007】No. 250
File.
As shown in accompanying drawing 1-4, Fig. 1 and Fig. 2 are respectively that the DSC figures of phenolic resin and TG scheme, and Fig. 3 and Fig. 4 are respectively to implement
The DSC figures and TG figures of gained modification by copolymerization resin in example 1, from accompanying drawing, using 4,4- diphenyl methane dimaleimides and
Diallyl bisphenol modification by copolymerization, make to be chronically at the decomposition temperature of the material among the larger fricting shearing stress operating mode in part
Greatly increase.
Embodiment 2
A kind of high temperature resistant type polymer composite main friction plate for cam driver, its production method are as follows：
（1）Resin copolyreaction：
Raw material is weighed by following parts by weight of component：4,4- diphenyl methane dimaleimide 1.0Kg, diallyl bis-phenol
A1.2Kg。
4,4- diphenyl-methane spans are added by proportioning carry out acyl in the there-necked flask equipped with agitator, thermometer and reflux condensation mode
Imines, diallyl bisphenol and catalyst, it is heated to certain temperature and dissolves pre-polymerization, controlling reaction temperature is at 125 ~ 130 DEG C, in advance
Poly- 3.5 ~ 4 hours time, you can obtain solid-like modification by copolymerization resin.The sieving of 100 mesh is crushed, produces required modification by copolymerization
Resin-oatmeal.Wherein, the catalyst uses n-butylamine, and its dosage is the dosage of general chemical reacting middle catalyst, with 4,4- bis-
The 3 ‰ of the weight of phenylmethane BMI and diallyl bisphenol ~ 20 ‰ are advisable.
（2）The preparation of enhancement layer blank
By weight ratio by modification by copolymerization resin-oatmeal 35g and acetone 1:1 dissolves, impregnated glass fiber cloth 65g, is made required
Enhancement layer blank.
（3）The preparation of wear-resisting layer material
3.1 weigh each component material by following parts by weight：Sepiolite fibre 12g, molybdenum disulfide 15g, graphite 10g, copper are fine
Tie up 1g, aramid fiber 5g, carbon fiber 15g, glass fibre 5g, chromite powder 10g, kaolin 7g, titanium dioxide 1g and modification by copolymerization
Resin 23g；
3.2 opening fibers 3 minutes, then add lubricant, filler and resin, and high speed shredding forms wearing layer material in 3 minutes
Material；
Stirred specifically, opening fiber adds sepiolite fibre, aramid fiber, carbon fiber and glass fibre, shredding for 3 minutes
Mix 3 minutes；
Add lubricant, filler and resin and add molybdenum disulfide, graphite, copper fiber, chromite powder, kaolin, titanium white
Powder and modification by copolymerization resin, then high speed shredding are stirred 3 minutes and form wear-resisting layer material.
（4）By enhancement layer blank and wearing layer raw material are mixed to form, addition is preheating in 210 DEG C of mould, pressurization 20 ~
25Mpa, pressure-maintaining and heat-preservation 1h depannings.
（5）The friction plate suppressed is put into the environment of 230 DEG C of temperature, is incubated 10 hours, be down to room temperature and both obtained.
After testing, products obtained therefrom indices refer to white table 3 and table 4.
The wearing layer physical and mechanical properties of table 3
The enhancement layer physical and mechanical properties of table 4
As seen from the above table, every physical and mechanical properties of product meets fortune loading truck obtained by embodiment 2【2007】No. 250
File.
Embodiment 3
A kind of high temperature resistant type polymer composite main friction plate for cam driver, its production method are as follows：
（1）Resin copolyreaction：
Raw material is weighed by following parts by weight of component：4,4- diphenyl methane dimaleimide 1.7Kg, diallyl bis-phenol
A0.6Kg。
4,4- diphenyl-methane spans are added by proportioning carry out acyl in the there-necked flask equipped with agitator, thermometer and reflux condensation mode
Imines, diallyl bisphenol and catalyst, it is heated to certain temperature and dissolves pre-polymerization, controlling reaction temperature is at 125 ~ 130 DEG C, in advance
Poly- 3.5 ~ 4 hours time, you can obtain solid-like modification by copolymerization resin.The sieving of 100 mesh is crushed, produces required modification by copolymerization
Resin-oatmeal.Wherein, the catalyst uses n-butylamine, and its dosage is the dosage of general chemical reacting middle catalyst, with 3 ‰ ~
20 ‰ are advisable.
（2）The preparation of enhancement layer blank
By weight ratio by modification by copolymerization resin-oatmeal 40g and acetone 1:1 dissolves, impregnated glass fiber cloth 60g, is made required
Enhancement layer blank.
（3）The preparation of wear-resisting layer material
3.1 weigh each component material by following parts by weight：Sepiolite fibre 20g, molybdenum disulfide 5g, graphite 15g, copper are fine
Tie up 5g, aramid fiber 1g, carbon fiber 12g, glass fibre 8g, chromite powder 5g, kaolin 5g, titanium dioxide 4g and modification by copolymerization tree
Fat 14g；
3.2 opening fibers 3 minutes, then add lubricant, filler and resin, and high speed shredding forms wearing layer material in 3 minutes
Material；
Stirred specifically, opening fiber adds sepiolite fibre, aramid fiber, carbon fiber and glass fibre, shredding for 3 minutes
Mix 3 minutes；
Add lubricant, filler and resin and add molybdenum disulfide, graphite, copper fiber, chromite powder, kaolin, titanium white
Powder and modification by copolymerization resin, then high speed shredding are stirred 3 minutes and form wear-resisting layer material.
（4）By enhancement layer blank and wearing layer raw material are mixed to form, addition is preheating in 210 DEG C of mould, pressurization 20 ~
25Mpa, pressure-maintaining and heat-preservation 1h depannings.
（5）The friction plate suppressed is put into the environment of 230 DEG C of temperature, is incubated 10 hours, be down to room temperature and both obtained.
After testing, products obtained therefrom indices refer to table 5 and table 6.
The wearing layer physical and mechanical properties of table 5
The enhancement layer physical and mechanical properties of table 6
As seen from the above table, every physical and mechanical properties of product meets fortune loading truck obtained by embodiment 3【2007】No. 250
File.
Comparative example 1
By in embodiment 1, step is replaced with the phenolic resin of equivalent（1）The modification by copolymerization resin of middle preparation, rest materials
Composition and technique are constant, prepare main friction plate for cam driver.
After testing, products obtained therefrom indices refer to table 7 and table 8.
The wearing layer physical and mechanical properties of table 7
The enhancement layer physical and mechanical properties of table 8
As seen from the above table, every physical and mechanical properties of resulting product compared with comparative example 1, has in embodiment 1-3
It is obviously improved.
Embodiment described above is only the preferred embodiments of the present invention, and the simultaneously exhaustion of the feasible implementation of non-invention.It is right
For persons skilled in the art, on the premise of without departing substantially from the principle of the invention and spirit to any aobvious made by it and
The change being clear to, it should all be contemplated as falling with the claims of the present invention.
Claims (7)
1. a kind of high temperature resistant type polymer composite main friction plate for cam driver, it includes enhancement layer and wearing layer, it is characterised in that：
The enhancement layer is made up of modification by copolymerization resin and alkali-free glass cloth, the weight of the modification by copolymerization resin and alkali-free glass cloth
It is 35-45 to measure ratio：55-65；
The wearing layer is made up of following parts by weight of component：Sepiolite fibre 12-20 parts, 5 ~ 15 parts of molybdenum disulfide, graphite 10 ~ 15
Part, 1 ~ 5 part of copper fiber, 1 ~ 5 part of aramid fiber, 9 ~ 15 parts of carbon fiber, 3 ~ 8 parts of glass fibre, 5 ~ 10 parts of chromite powder, kaolin
14 ~ 23 parts of 5 ~ 10 parts, 1 ~ 4 part of titanium dioxide and modification by copolymerization resin；
The modification by copolymerization resin is made up of 4,4- diphenyl methane dimaleimides and diallyl bisphenol, and described 4,4-
The weight of diphenyl methane dimaleimide and diallyl bisphenol ratio is 1.0-1.7：0.6-1.2；
Described high temperature resistant type polymer composite main friction plate for cam driver, is prepared by following steps；
（1）Resin copolyreaction
1.1 weigh 4,4- diphenyl methane dimaleimides and diallyl bisphenol according to the weight ratio, add catalysis
Agent；
The material of step 1.1 is heated to certain temperature by 1.2 in reaction vessel dissolves pre-polymerization, controlling reaction temperature 125 ~
130 DEG C, 3.5 ~ 4 hours pre-polymerization time, produce solid-like modification by copolymerization resin；
1.3 crush the solid-like modification by copolymerization resin obtained in step 1.2, cross 100 mesh sieves, produce modification by copolymerization resin-oatmeal；
（2）The preparation of enhancement layer blank
Modification by copolymerization resin-oatmeal is dissolved with acetone by the weight ratio, impregnated glass fiber cloth, enhancement layer blank is made；
（3）The preparation of wearing layer raw material
By sepiolite fibre 12-20 parts, 5 ~ 15 parts of molybdenum disulfide, 10 ~ 15 parts of graphite, 1 ~ 5 part of copper fiber, 1 ~ 5 part of aramid fiber,
9 ~ 15 parts of carbon fiber, 3 ~ 8 parts of glass fibre, 5 ~ 10 parts of chromite powder, 5 ~ 10 parts of kaolin, 1 ~ 4 part of titanium dioxide and modification by copolymerization
14 ~ 23 parts of resin, is stirred to form wearing layer raw material through high speed shredding；
（4）By step（2）The enhancement layer blank and step of gained（3）Gained is mixed to form wearing layer raw material, adds preheating
Into 210 DEG C of moulds, pressurize 20 ~ 25MP a, pressure-maintaining and heat-preservation 1h depannings；
（5）It is heat-treated after depanning, 230 DEG C for the treatment of temperature, 10 hours time, is down to room temperature and produces.
A kind of 2. high temperature resistant type polymer composite main friction plate for cam driver according to claim 1, it is characterised in that：
In the enhancement layer, the weight ratio of modification by copolymerization resin and alkali-free glass cloth is 45：55；
The wearing layer is made up of following parts by weight of component：14 parts of sepiolite fibre, 12 parts of molybdenum disulfide, 12 parts of graphite, copper are fine
Dimension 4 parts, 4 parts of aramid fiber, 9 parts of carbon fiber, 3 parts of glass fibre, 9 parts of chromite powder, 10 parts of kaolin, 3 parts of titanium dioxide and altogether
Poly- 20 parts of modified resin；
In the modification by copolymerization resin, the weight ratio of 4,4- diphenyl methane dimaleimides and diallyl bisphenol is 1.6：
0.9。
A kind of 3. high temperature resistant type polymer composite main friction plate for cam driver according to claim 1, it is characterised in that：Institute
Step 3 is stated to stir 3 minutes through high speed shredding.
A kind of 4. producer of high temperature resistant type polymer composite main friction plate for cam driver as described in claim any one of 1-3
Method, it is characterised in that specifically include following steps：
（1）Resin copolyreaction：
1.1 weigh raw material according to following weight ratio：The weight of 4,4- diphenyl methane dimaleimides and diallyl bisphenol
Than for 1.0-1.7：0.6-1.2, add catalyst；
The material of step 1.1 is heated to certain temperature by 1.2 in reaction vessel dissolves pre-polymerization, controlling reaction temperature 125 ~
130 DEG C, 3.5 ~ 4 hours pre-polymerization time, produce solid-like modification by copolymerization resin；
1.3 crush the solid-like modification by copolymerization resin obtained in step 1.2, cross 100 mesh sieves, produce modification by copolymerization resin-oatmeal；
（2）The preparation of enhancement layer blank
Raw material is weighed according to following weight ratio：Weigh step（1）The modification by copolymerization resin and alkali-free glass cloth of middle gained, its weight
Than for 35-45：55-65；Modification by copolymerization resin-oatmeal is dissolved with acetone, impregnated glass fiber cloth, enhancement layer blank is made；
（3）The preparation of wearing layer raw material
Raw material are weighed by following weight parts：Sepiolite fibre 12-20 parts, 5 ~ 15 parts of molybdenum disulfide, 10 ~ 15 parts of graphite, copper are fine
Dimension 1 ~ 5 part, 1 ~ 5 part of aramid fiber, 9 ~ 15 parts of carbon fiber, 3 ~ 8 parts of glass fibre, 5 ~ 10 parts of chromite powder, 5 ~ 10 parts of kaolin,
14 ~ 23 parts of 1 ~ 4 part of titanium dioxide and modification by copolymerization resin；
The raw material of above-mentioned parts by weight are stirred to form wearing layer raw material through high speed shredding；
（4）By enhancement layer blank and wearing layer raw material are mixed to form, addition is preheating in 210 DEG C of mould, and pressurize 20 ~ 25MP
A, pressure-maintaining and heat-preservation 1h depannings；
（5）It is heat-treated after depanning, 230 DEG C for the treatment of temperature, 10 hours time, is down to room temperature and produces.
5. the production method of high temperature resistant type polymer composite main friction plate for cam driver according to claim 4, its feature
It is：
In step 1.1, the weight ratio of 4, the 4- diphenyl methane dimaleimides and diallyl bisphenol is 1.6：0.9；
Step（2）In, the weight ratio of the modification by copolymerization resin and alkali-free glass cloth is 45：55；
Step（3）In, weigh raw material by following parts by weight of component：14 parts of sepiolite fibre, 12 parts of molybdenum disulfide, 12 parts of graphite,
4 parts of copper fiber, 4 parts of aramid fiber, 9 parts of carbon fiber, 3 parts of glass fibre, 9 parts of chromite powder, 10 parts of kaolin, 3 parts of titanium dioxide
With 20 parts of modification by copolymerization resin.
6. the production method of high temperature resistant type polymer composite main friction plate for cam driver according to claim 4, its feature
It is：Catalyst described in step 1.1 is n-butylamine.
7. the production method of high temperature resistant type polymer composite main friction plate for cam driver according to claim 4, its feature
It is：The catalyst amount is 3 ‰ ~ the 20 ‰ of the weight of 4,4- diphenyl methane dimaleimides and diallyl bisphenol.
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| CN102705410A (en) * | 2012-06-15 | 2012-10-03 | 株洲时代新材料科技股份有限公司 | Composite friction plate and preparation method thereof |
| CN103524739A (en) * | 2013-10-09 | 2014-01-22 | 胶州市精细化工有限公司 | Allyl/epoxy etherified phenolic aldehyde modified bismaleimide resin and preparation method thereof |
| CN103694485A (en) * | 2014-01-03 | 2014-04-02 | 株洲时代工程塑料制品有限责任公司 | Composite friction plate and preparation method thereof |
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