CN103205239B - Rubber base friction material and production method thereof - Google Patents
Rubber base friction material and production method thereof Download PDFInfo
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- CN103205239B CN103205239B CN201310129318.5A CN201310129318A CN103205239B CN 103205239 B CN103205239 B CN 103205239B CN 201310129318 A CN201310129318 A CN 201310129318A CN 103205239 B CN103205239 B CN 103205239B
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Abstract
The invention discloses a rubber base friction material and a production method thereof, and belongs to the technical field of a friction material. The rubber base friction material comprises the following materials by weight percent of acrylic rubber, a fiber, multifunctional friction particles, a friction performance modifier, cashew nut shell oil friction powder, granulated cork, cashew nut shell oil modified phenolic resin and rubber assistant; and the fiber is one or the mixture of of aramid pulp, a carbon fiber and a mineral fiber. The product obtained by the method has high rebound resilience, high static friction torque and high-temperature stability; the static torque achieves 90-100N.m; the dynamic torque achieves 55-65N.m; the rubber base friction material is complete in structure when the temperature of the surface achieves 200 DEG C, and is not carbonized; and the performance still can be kept by over 80% in the past after normal temperature is recovered.
Description
Technical field
The invention belongs to friction materials technology field, be specifically related to a kind of Rubber base friction material and production method thereof.
Background technology
Domestic existing rubber-based clutch of motorcycle sheet, require to manufacture and design according to GB/T13826-2008 national standard, kinetic friction coefficient is not less than 0.15, and static friction coefficient is not less than 0.24.But along with friction car selling market turns to rural area from city, motorcycle changes transportation means into gradually by the vehicles, load-carrying increases day by day, the applying working condition of motorcycle goes from bad to worse, also more and more higher to the requirement of clutch disc, conventional motorcycle clutch disc all can not reach requirement in moment of torsion, thermotolerance.
Summary of the invention
For prior art Problems existing, the object of the invention is to design the technical scheme that a kind of Rubber base friction material and production method thereof are provided, this material is under the prerequisite ensureing Rubber base friction material height moment of torsion, improve product thermotolerance, make it at surface temperature is more than 200 DEG C, not easily burn sheet.
Described a kind of Rubber base friction material, is characterized in that the raw material containing following weight per-cent:
Acrylic elastomer 15 ~ 35%, fiber 3 ~ 15%, Multifunctional friction particle 5 ~ 25%, frictional property regulator 5 ~ 20%, cashew nut shell oil Frication powder 2 ~ 15%, granulated cork 2 ~ 15%, cashew nut oil modified alkyd resin 2 ~ 15% and rubber ingredients 1 ~ 7%;
Described fiber is one or more mixtures in aramid pulp, carbon fiber and mineral fibre.
Described a kind of Rubber base friction material, is characterized in that the raw material containing following weight per-cent:
Acrylic elastomer 20 ~ 30%, fiber 5 ~ 10%, Multifunctional friction particle 10 ~ 20%, frictional property regulator 10 ~ 15%, cashew nut shell oil Frication powder 3 ~ 10%, granulated cork 5 ~ 10%, cashew nut oil modified alkyd resin 5 ~ 10% and rubber ingredients 1 ~ 5%.
Described a kind of Rubber base friction material, is characterized in that the raw material containing following weight per-cent:
Acrylic elastomer 25 ~ 30%, fiber 8 ~ 10%, Multifunctional friction particle 12 ~ 18%, frictional property regulator 12 ~ 15%, cashew nut shell oil Frication powder 5 ~ 10%, granulated cork 7 ~ 10%, cashew nut oil modified alkyd resin 7 ~ 10% and rubber ingredients 2 ~ 4%.
Described a kind of Rubber base friction material, is characterized in that described frictional property regulator is one or more mixtures in plumbous oxide, ground barium sulfate, iron oxide black, chromite powder, crystalline flake graphite and calcined petroleum coke.
Described a kind of Rubber base friction material, is characterized in that described rubber ingredients are one or more mixtures in sulphur, altax, Vulcanization accelerator TMTD, zinc oxide and stearic acid.
The production method of described a kind of Rubber base friction material, is characterized in that comprising following processing step:
1) fiber of described weight percent, Multifunctional friction particle, frictional property regulator, cashew nut shell oil Frication powder, cashew nut oil modified alkyd resin and rubber ingredients are put into plough type high speed mixer and mix 3 ~ 5 minutes to mixing;
2) in Banbury mixer, the mixture that the acrylic elastomer of described weight percent, granulated cork and step 1) obtain is dropped into, banburying 5 ~ 10 minutes at 95 ~ 105 DEG C, discharging;
3) by step 2) material that obtains throws to mill, opens refining 2 ~ 8 minutes, and thin-pass 3 ~ 5 times;
4) sizing material that step 3) obtains is put into premolding machine, be cut into circular rubber;
5) rubber step 4) obtained and skeleton enter vulcanizing press and carry out compacting molding bonded;
6) product step 5) obtained thermofixation 1 ~ 3 hour at temperature 150 ~ 170 DEG C, namely obtains Rubber base friction material.
In the present invention, Multifunctional friction particle is by Zaoyang Risheng Chemical Co., Ltd.'s production and sales, cashew nut shell oil Frication powder is by the production and sales of Ka Delai company of the U.S., granulated cork is by the production and sales of Baoji Qin Ba mountain cork company limited, and cashew nut oil modified alkyd resin is by the production and sales of Shandong holy well Chemical Co., Ltd..
Present invention employs the acrylic elastomer of resistance to 200 DEG C of high temperature, the aramid pulp of resistant to elevated temperatures high strength and carbon fiber, have employed cashew nut oil modified alkyd resin, have employed the Properties of Friction Materials conditioning agent of different shape, the product obtained finally by the method for the present invention's record has high resilience, high sound friction torque, wherein quiet moment of torsion reaches 90 ~ 100N.m, dynamic torque reaches 55 ~ 65N.m, high-temperature stability, when surface temperature reaches 200 DEG C, structural integrity, not carbonization, after recovering normal temperature, performance still can keep original more than 80%.
Embodiment
The present invention is further illustrated below in conjunction with embodiment.
Embodiment 1
1) fiber (aramid pulp, carbon fiber and/or mineral fibre) 15kg, Multifunctional friction particle 25kg, frictional property regulator 20kg, cashew nut shell oil Frication powder 8kg, cashew nut oil modified alkyd resin 6kg and rubber ingredients 3kg are put into plough type high speed mixer and mix 4 minutes to mixing;
2) in Banbury mixer, the mixture that acrylic elastomer 15kg, granulated cork 8kg and step 1) obtain is dropped into, banburying 8 minutes at 100 DEG C, discharging;
3) by step 2) material that obtains throws to mill, opens refining 5 minutes, and thin-pass 4 times;
4) sizing material that step 3) obtains is put into premolding machine, be cut into circular rubber;
5) rubber step 4) obtained and skeleton enter vulcanizing press and carry out compacting molding bonded;
6) product step 5) obtained thermofixation 2 hours at temperature 160 DEG C, namely obtains Rubber base friction material.
In above-described embodiment, frictional property regulator is one or more mixtures in plumbous oxide, ground barium sulfate, iron oxide black, chromite powder, crystalline flake graphite and calcined petroleum coke, and rubber ingredients are one or more mixtures in sulphur, altax, Vulcanization accelerator TMTD, zinc oxide and stearic acid.
Adopt MM1000-II type frictional property test machine, according to the test of GB/T13826-2008 technological standard, kinetic friction coefficient 0.18 ~ 0.19, static friction coefficient 0.24 ~ 0.25, wear rate≤6 × 10-8m3/J.Motorcyclist dynamic clutch testboard bay, quiet moment of torsion 90 ~ 95N.m, dynamic torque 55 ~ 60N.m.Restorability after 200 DEG C of fade tests is higher than 80%.
Embodiment 2
1) fiber (aramid pulp, carbon fiber and/or mineral fibre) 6kg, Multifunctional friction particle 15kg, frictional property regulator 5kg, cashew nut shell oil Frication powder 15kg, cashew nut oil modified alkyd resin 2kg and rubber ingredients 7kg are put into plough type high speed mixer and mix 3 minutes to mixing;
2) in Banbury mixer, the mixture that acrylic elastomer 35kg, granulated cork 15kg and step 1) obtain is dropped into, banburying 10 minutes at 95 DEG C, discharging;
3) by step 2) material that obtains throws to mill, opens refining 2 minutes, and thin-pass 3 times;
4) sizing material that step 3) obtains is put into premolding machine, be cut into circular rubber;
5) rubber step 4) obtained and skeleton enter vulcanizing press and carry out compacting molding bonded;
6) product step 5) obtained thermofixation 3 hours at temperature 150 DEG C, namely obtains Rubber base friction material.
In above-described embodiment, frictional property regulator is one or more mixtures in plumbous oxide, ground barium sulfate, iron oxide black, chromite powder, crystalline flake graphite and calcined petroleum coke, and rubber ingredients are one or more mixtures in sulphur, altax, Vulcanization accelerator TMTD, zinc oxide and stearic acid.
Adopt MM1000-II type frictional property test machine, according to the test of GB/T13826-2008 technological standard, kinetic friction coefficient 0.17 ~ 0.18, static friction coefficient 0.23 ~ 0.24, wear rate≤5 × 10-8m3/J.Motorcyclist dynamic clutch testboard bay, quiet moment of torsion 90 ~ 95N.m, dynamic torque 55 ~ 60N.m.Restorability after 200 DEG C of fade tests is higher than 80%.
Embodiment 3
1) fiber (aramid pulp, carbon fiber and/or mineral fibre) 10kg, Multifunctional friction particle 10kg, frictional property regulator 15kg, cashew nut shell oil Frication powder 10kg, cashew nut oil modified alkyd resin 15kg and rubber ingredients 6kg are put into plough type high speed mixer and mix 5 minutes to mixing;
2) in Banbury mixer, the mixture that acrylic elastomer 30kg, granulated cork 4kg and step 1) obtain is dropped into, banburying 5 minutes at 105 DEG C, discharging;
3) by step 2) material that obtains throws to mill, opens refining 8 minutes, and thin-pass 5 times;
4) sizing material that step 3) obtains is put into premolding machine, be cut into circular rubber;
5) rubber step 4) obtained and skeleton enter vulcanizing press and carry out compacting molding bonded;
6) product step 5) obtained thermofixation 1 hour at temperature 170 DEG C, namely obtains Rubber base friction material.
In above-described embodiment, frictional property regulator is one or more mixtures in plumbous oxide, ground barium sulfate, iron oxide black, chromite powder, crystalline flake graphite and calcined petroleum coke, and rubber ingredients are one or more mixtures in sulphur, altax, Vulcanization accelerator TMTD, zinc oxide and stearic acid.
Adopt MM1000-II type frictional property test machine, according to the test of GB/T13826-2008 technological standard, kinetic friction coefficient 0.18 ~ 0.20, static friction coefficient 0.24 ~ 0.26, wear rate≤6 × 10-8m3/J.Motorcyclist dynamic clutch testboard bay, quiet moment of torsion 90 ~ 100N.m, dynamic torque 55 ~ 65N.m.Restorability after 200 DEG C of fade tests is higher than 80%.
Embodiment 4
1) fiber (aramid pulp, carbon fiber and/or mineral fibre) 3kg, Multifunctional friction particle 5kg, frictional property regulator 20kg, cashew nut shell oil Frication powder 14kg, cashew nut oil modified alkyd resin 15kg and rubber ingredients 1kg are put into plough type high speed mixer and mix 5 minutes to mixing;
2) in Banbury mixer, the mixture that acrylic elastomer 28kg, granulated cork 14kg and step 1) obtain is dropped into, banburying 7 minutes at 98 DEG C, discharging;
3) by step 2) material that obtains throws to mill, opens refining 6 minutes, and thin-pass 5 times;
4) sizing material that step 3) obtains is put into premolding machine, be cut into circular rubber;
5) rubber step 4) obtained and skeleton enter vulcanizing press and carry out compacting molding bonded;
6) product step 5) obtained thermofixation 2 hours at temperature 155 DEG C, namely obtains Rubber base friction material.
In above-described embodiment, frictional property regulator is one or more mixtures in plumbous oxide, ground barium sulfate, iron oxide black, chromite powder, crystalline flake graphite and calcined petroleum coke, and rubber ingredients are one or more mixtures in sulphur, altax, Vulcanization accelerator TMTD, zinc oxide and stearic acid.
Adopt MM1000-II type frictional property test machine, according to the test of GB/T13826-2008 technological standard, kinetic friction coefficient 0.18 ~ 0.20, static friction coefficient 0.24 ~ 0.26, wear rate≤8 × 10-8m3/J.Motorcyclist dynamic clutch testboard bay, quiet moment of torsion 90 ~ 100N.m, dynamic torque 55 ~ 65N.m.Restorability after 200 DEG C of fade tests is higher than 80%.
Embodiment 5
1) fiber (aramid pulp, carbon fiber and/or mineral fibre) 5kg, Multifunctional friction particle 24kg, frictional property regulator 19kg, cashew nut shell oil Frication powder 2kg, cashew nut oil modified alkyd resin 8kg and rubber ingredients 5kg are put into plough type high speed mixer and mix 4 minutes to mixing;
2) in Banbury mixer, the mixture that acrylic elastomer 35kg, granulated cork 2kg and step 1) obtain is dropped into, banburying 7 minutes at 100 DEG C, discharging;
3) by step 2) material that obtains throws to mill, opens refining 6 minutes, and thin-pass 5 times;
4) sizing material that step 3) obtains is put into premolding machine, be cut into circular rubber;
5) rubber step 4) obtained and skeleton enter vulcanizing press and carry out compacting molding bonded;
6) product step 5) obtained thermofixation 2 hours at temperature 165 DEG C, namely obtains Rubber base friction material.
In above-described embodiment, frictional property regulator is one or more mixtures in plumbous oxide, ground barium sulfate, iron oxide black, chromite powder, crystalline flake graphite and calcined petroleum coke, and rubber ingredients are one or more mixtures in sulphur, altax, Vulcanization accelerator TMTD, zinc oxide and stearic acid.
Adopt MM1000-II type frictional property test machine, according to the test of GB/T13826-2008 technological standard, kinetic friction coefficient 0.19 ~ 0.20, static friction coefficient 0.25 ~ 0.26, wear rate≤7 × 10-8m3/J.Motorcyclist dynamic clutch testboard bay, quiet moment of torsion 95 ~ 100N.m, dynamic torque 60 ~ 65N.m.Restorability after 200 DEG C of fade tests is higher than 80%.
Claims (2)
1. a Rubber base friction material, is characterized in that the raw material containing following weight per-cent:
Acrylic elastomer 20 ~ 30%, fiber 5 ~ 10%, Multifunctional friction particle 10 ~ 20%, frictional property regulator 10 ~ 15%, cashew nut shell oil Frication powder 3 ~ 10%, granulated cork 5 ~ 10%, cashew nut oil modified alkyd resin 5 ~ 10% and rubber ingredients 1 ~ 5%;
Described fiber is one or more mixtures in aramid pulp, carbon fiber and mineral fibre; Described frictional property regulator is one or more mixtures in plumbous oxide, iron oxide black, chromite powder and calcined petroleum coke; Described rubber ingredients are one or more mixtures in sulphur, altax, Vulcanization accelerator TMTD, zinc oxide and stearic acid;
And obtained by following steps:
1) fiber of described weight percent, Multifunctional friction particle, frictional property regulator, cashew nut shell oil Frication powder, cashew nut oil modified alkyd resin and rubber ingredients are put into plough type high speed mixer and mix 3 ~ 5 minutes to mixing;
2) in Banbury mixer, the mixture that the acrylic elastomer of described weight percent, granulated cork and step 1) obtain is dropped into, banburying 5 ~ 10 minutes at 95 ~ 105 DEG C, discharging;
3) by step 2) material that obtains throws to mill, opens refining 2 ~ 8 minutes, and thin-pass 3 ~ 5 times;
4) sizing material that step 3) obtains is put into premolding machine, be cut into circular rubber;
5) rubber step 4) obtained and skeleton enter vulcanizing press and carry out compacting molding bonded;
6) product step 5) obtained thermofixation 1 ~ 3 hour at temperature 150 ~ 170 DEG C, namely obtains Rubber base friction material.
2. a kind of Rubber base friction material as claimed in claim 1, is characterized in that the raw material containing following weight per-cent:
Acrylic elastomer 25 ~ 30%, fiber 8 ~ 10%, Multifunctional friction particle 12 ~ 18%, frictional property regulator 12 ~ 15%, cashew nut shell oil Frication powder 5 ~ 10%, granulated cork 7 ~ 10%, cashew nut oil modified alkyd resin 7 ~ 10% and rubber ingredients 2 ~ 4%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310129318.5A CN103205239B (en) | 2013-04-15 | 2013-04-15 | Rubber base friction material and production method thereof |
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| CN201310129318.5A CN103205239B (en) | 2013-04-15 | 2013-04-15 | Rubber base friction material and production method thereof |
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| CN103205239B true CN103205239B (en) | 2014-12-24 |
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| CN104531070A (en) * | 2014-12-29 | 2015-04-22 | 西北工业大学 | Softwood particle blending and modified rubber based friction material as well as preparation method and using method thereof |
| CN104610692A (en) * | 2015-01-28 | 2015-05-13 | 柳州市颖航汽配有限公司 | Sealing element of air condition compressor for car |
| CN110282907B (en) * | 2019-06-24 | 2021-01-29 | 上海壬丰新材料科技有限公司 | Method capable of improving wet braking performance of microporous friction material |
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