CN105650162A - Particles having high-temperature declining resistance function and high heat conductivity and preparation method of particles - Google Patents
Particles having high-temperature declining resistance function and high heat conductivity and preparation method of particles Download PDFInfo
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- CN105650162A CN105650162A CN201510719913.3A CN201510719913A CN105650162A CN 105650162 A CN105650162 A CN 105650162A CN 201510719913 A CN201510719913 A CN 201510719913A CN 105650162 A CN105650162 A CN 105650162A
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Abstract
The invention discloses particles having a high-temperature declining resistance function and high heat conductivity and a preparation method of the particles. A formula adopted in the method comprises NACF fibers, cryolite, magnetite powder, antimony sulfide, barium sulfate, carbon fibers, flake graphite, kieselguhr and an F826 adhesive. A preparation technology of the particles comprises steps as follows: raw materials are evenly mixed as per the formula and placed into a double-roll rubber open mill for smelting, the raw materials are fused and plasticized, finally, plasticized materials are crushed to form particles with the particle size ranging from 8 meshes to 20 meshes, and the particles are obtained. The particles have the advantages that the heat conductivity of friction plates can be improved, bubbling and deformation of the friction plates can be reduced, the product quality of brake linings is improved, meanwhile, the heat fading performance of the friction plates is improved, the friction coefficient of the friction plates at the high temperature is increased, and the high-temperature brake stability of automobiles is guaranteed.
Description
Technical field
The present invention relates to the material of friction plate in a kind of automobile brake sheet and its preparation method, particularly a kind of have anti-ageing particulate material and its preparation method moving back function and high thermal conductivity of high temperature.
Background technology
Breaking system is one of security system the most important on automobile, and brake facing is the parts that to have suffered in breaking system important, it can directly have influence on the reliability of whole breaking system, breaking system defines friction pair by brake facing and brake flange phase mutual friction, produce braking moment, the kinetic energy of automobile is converted into heat energy, and temperature during braking can rise to 300��400 DEG C.
Conventional brake facing is divided into:
1, asbestos type, owing to fibrous magnesium silicate has high strength and high temperature resistant, therefore meets the requirement of brake facing and clutch plate, has the anti-tensile ability of fiber and the hardness of senior metal material and wear resistance simultaneously;
2, without asbestos organic type, mainly with glass fibre, aromatic polyester fiber and other fibers as reinforcement material, its performance depends primarily on type and other mixture of fiber, and advantage is that shortcoming is that wear resistance and heat resistance are not strong without the ash fouling that falls, feature that noise is little.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, and provide a kind of and have the anti-ageing particulate material moving back function and high thermal conductivity of high temperature. Solve the thermally conductive material in existing friction plate because of heat conductivility poor, at high operating temperatures easily produce localized heat swelling, cause friction plate bubble, distortion problem, further improve the heat fading performance of existing friction plate simultaneously.
The technical scheme realizing above-mentioned purpose of the present invention is: a kind of have the anti-ageing particulate material moving back function and high thermal conductivity of high temperature, and it is adopted and is prepared from the following method:
Formula includes: Na Kaifu fiber 12��17 weight part, sodium aluminum fluoride 7��10 weight part, magnetite powder 15��17 weight part, antimony sulfide 1��3 weight part, barium sulfate 7��10 weight part, carbon fiber 12��15 weight part, crystalline flake graphite 5��7 weight part, diatomite 20��23 weight part, F826 sizing agent 8��15 weight part.
Step of preparation process is as follows:
The first step: the group part and the respective weight part number that contain by material are prepared burden;
2nd step: mixed by raw material, drops into two rod rubber mixing mill and carries out melting, make raw materials melt and plastify, and its roller surface temperature is 50��60 DEG C; Smelting time is 20��30min;
3rd step: become particle diameter to be 8��20 object particles the material disintegrating after plasticizing.
The further technical scheme of the present invention is:
Formula includes: Na Kaifu fiber 12 weight part, sodium aluminum fluoride 7 weight part, magnetite powder 15 weight part, antimony sulfide 1 weight part, barium sulfate 7 weight part, carbon fiber 12 weight part, crystalline flake graphite 5 weight part, diatomite 20 weight part, F826 sizing agent 8 weight part.
The present invention further technical scheme be:
Formula includes: Na Kaifu fiber 17 weight part, sodium aluminum fluoride 10 weight part, magnetite powder 17 weight part, antimony sulfide 3 weight part, barium sulfate 10 weight part, carbon fiber 15 weight part, crystalline flake graphite 7 weight part, diatomite 23 weight part, F826 sizing agent 15 weight part.
The two of the object of the present invention are the above-mentioned deficiencies overcoming prior art, and provide a kind of preparation method having the anti-ageing particulate material moving back function and high thermal conductivity of high temperature.
The technical scheme realizing above-mentioned purpose of the present invention is: a kind of preparation method having the anti-ageing particulate material moving back function and high thermal conductivity of high temperature,
Formula includes: Na Kaifu fiber 12��17 weight part, sodium aluminum fluoride 7��10 weight part, magnetite powder 15��17 weight part, antimony sulfide 1��3 weight part, barium sulfate 7��10 weight part, carbon fiber 12��15 weight part, crystalline flake graphite 5��7 weight part, diatomite 20��23 weight part, F826 sizing agent 8��15 weight part;
Step of preparation process is as follows:
The first step: the group part and the respective weight part number that contain by material are prepared burden;
2nd step: mixed by raw material, drops into two rod rubber mixing mill and carries out melting, make raw materials melt and plastify, and its roller surface temperature is 50��60 DEG C; Smelting time is 20��30min;
3rd step: become particle diameter to be 8��20 object particles the material disintegrating after plasticizing.
The further technical scheme of the present invention is:
Formula includes: Na Kaifu fiber 12 weight part, sodium aluminum fluoride 7 weight part, magnetite powder 15 weight part, antimony sulfide 1 weight part, barium sulfate 7 weight part, carbon fiber 12 weight part, crystalline flake graphite 5 weight part, diatomite 20 weight part, F826 sizing agent 8 weight part.
The present invention further technical scheme be:
Formula includes: Na Kaifu fiber 17 weight part, sodium aluminum fluoride 10 weight part, magnetite powder 17 weight part, antimony sulfide 3 weight part, barium sulfate 10 weight part, carbon fiber 15 weight part, crystalline flake graphite 7 weight part, diatomite 23 weight part, F826 sizing agent 15 weight part.
The present invention is compared with prior art, there is following feature: the friction plate thermally conductive material in the present invention mixes in friction plate, the thermal conductivity of friction plate can be made to improve, thermal conductivity increases, decrease because localized heat swelling causes friction plate to bubble, the generation of problem on deformation, improve the quality product of brake facing, when solving brake facing high temperature easily and the problem of brake flange locking, the decline friction materials of heat resistanceheat resistant simultaneously mixes the heat fading performance that can improve friction plate in friction plate with certain proportion, increase the frictional coefficient of friction plate when high temperature, ensure that the stability of automobile high-temperature brake.
Below in conjunction with embodiment, content of the present invention is further described.
Embodiment
Embodiment 1
Having the anti-ageing particulate material moving back function and high thermal conductivity of high temperature, it is adopted and is prepared from the following method:
Formula comprises: Na Kaifu fiber 12 weight part, sodium aluminum fluoride 7 weight part, magnetite powder 15 weight part, antimony sulfide 1 weight part, barium sulfate 7 weight part, carbon fiber 12 weight part, crystalline flake graphite 5 weight part, diatomite 20 weight part, F826 sizing agent 8 weight part;
Its step of preparation process is as follows:
The first step: the group part and the respective weight part number that contain by material are prepared burden;
2nd step: mixed by raw material, drops into two rod rubber mixing mill and carries out melting, make raw materials melt and plastify, and its roller surface temperature is 50��60 DEG C; Smelting time is 20��30min;
3rd step: become particle diameter to be 8��20 object particles the material disintegrating after plasticizing.
Embodiment 2
Having the anti-ageing particulate material moving back function and high thermal conductivity of high temperature, it is adopted and is prepared from the following method:
Formula comprises: Na Kaifu fiber 17 weight part, sodium aluminum fluoride 10 weight part, magnetite powder 17 weight part, antimony sulfide 3 weight part, barium sulfate 10 weight part, carbon fiber 15 weight part, crystalline flake graphite 7 weight part, diatomite 23 weight part, F826 sizing agent 15 weight part;
Its preparation technology is identical with embodiment 1.
Embodiment 3
A kind of preparation method having the anti-ageing particulate material moving back function and high thermal conductivity of high temperature, its formula comprises: Na Kaifu fiber 12 weight part, sodium aluminum fluoride 7 weight part, magnetite powder 15 weight part, antimony sulfide 1 weight part, barium sulfate 7 weight part, carbon fiber 12 weight part, crystalline flake graphite 5 weight part, diatomite 20 weight part, F826 sizing agent 8 weight part;
Its step of preparation process is as follows:
The first step: the group part and the respective weight part number that contain by material are prepared burden;
2nd step: mixed by raw material, drops into two rod rubber mixing mill and carries out melting, make raw materials melt and plastify, and its roller surface temperature is 50��60 DEG C; Smelting time is 20��30min;
3rd step: become particle diameter to be 8��20 object particles the material disintegrating after plasticizing.
Embodiment 4
A kind of preparation method having the anti-ageing particulate material moving back function and high thermal conductivity of high temperature, its formula comprises: Na Kaifu fiber 17 weight part, sodium aluminum fluoride 10 weight part, magnetite powder 17 weight part, antimony sulfide 3 weight part, barium sulfate 10 weight part, carbon fiber 15 weight part, crystalline flake graphite 7 weight part, diatomite 23 weight part, F826 sizing agent 15 weight part;
Its preparation technology is identical with embodiment 3.
The above embodiment is only the better embodiment enumerated for absolutely proving the present invention, and protection scope of the present invention is not limited to this. The equivalent replacement that those skilled in the art do on basis of the present invention or conversion, all within protection scope of the present invention.
Claims (6)
1. there is the anti-ageing particulate material moving back function and high thermal conductivity of high temperature, it is characterized in that adopting and be prepared from the following method:
Formula includes: Na Kaifu fiber 12��17 weight part, sodium aluminum fluoride 7��10 weight part, magnetite powder 15��17 weight part, antimony sulfide 1��3 weight part, barium sulfate 7��10 weight part, carbon fiber 12��15 weight part, crystalline flake graphite 5��7 weight part, diatomite 20��23 weight part, F826 sizing agent 8��15 weight part;
Step of preparation process is as follows:
The first step: the group part and the respective weight part number that contain by material are prepared burden;
2nd step: mixed by raw material, drops into two rod rubber mixing mill and carries out melting, make raw materials melt and plastify, and its roller surface temperature is 50��60 DEG C; Smelting time is 20��30min;
3rd step: become particle diameter to be 8��20 object particles the material disintegrating after plasticizing.
2. according to claim 1 a kind of have the anti-ageing particulate material moving back function and high thermal conductivity of high temperature, it is characterized in that formula includes: Na Kaifu fiber 12 weight part, sodium aluminum fluoride 7 weight part, magnetite powder 15 weight part, antimony sulfide 1 weight part, barium sulfate 7 weight part, carbon fiber 12 weight part, crystalline flake graphite 5 weight part, diatomite 20 weight part, F826 sizing agent 8 weight part.
3. according to claim 1 a kind of have the anti-ageing particulate material moving back function and high thermal conductivity of high temperature, it is characterized in that formula includes: Na Kaifu fiber 17 weight part, sodium aluminum fluoride 10 weight part, magnetite powder 17 weight part, antimony sulfide 3 weight part, barium sulfate 10 weight part, carbon fiber 15 weight part, crystalline flake graphite 7 weight part, diatomite 23 weight part, F826 sizing agent 15 weight part.
4. one kind has the preparation method of the anti-ageing particulate material moving back function and high thermal conductivity of high temperature, it is characterized in that formula includes: Na Kaifu fiber 12��17 weight part, sodium aluminum fluoride 7��10 weight part, magnetite powder 15��17 weight part, antimony sulfide 1��3 weight part, barium sulfate 7��10 weight part, carbon fiber 12��15 weight part, crystalline flake graphite 5��7 weight part, diatomite 20��23 weight part, F826 sizing agent 8��15 weight part;
Step of preparation process is as follows:
The first step: the group part and the respective weight part number that contain by material are prepared burden;
2nd step: mixed by raw material, drops into two rod rubber mixing mill and carries out melting, make raw materials melt and plastify, and its roller surface temperature is 50��60 DEG C; Smelting time is 20��30min;
3rd step: become particle diameter to be 8��20 object particles the material disintegrating after plasticizing.
5. a kind of preparation method having the anti-ageing particulate material moving back function and high thermal conductivity of high temperature according to claim 4, it is characterized in that formula includes: Na Kaifu fiber 12 weight part, sodium aluminum fluoride 7 weight part, magnetite powder 15 weight part, antimony sulfide 1 weight part, barium sulfate 7 weight part, carbon fiber 12 weight part, crystalline flake graphite 5 weight part, diatomite 20 weight part, F826 sizing agent 8 weight part.
6. a kind of preparation method having the anti-ageing particulate material moving back function and high thermal conductivity of high temperature according to claim 4, it is characterized in that formula includes: Na Kaifu fiber 17 weight part, sodium aluminum fluoride 10 weight part, magnetite powder 17 weight part, antimony sulfide 3 weight part, barium sulfate 10 weight part, carbon fiber 15 weight part, crystalline flake graphite 7 weight part, diatomite 23 weight part, F826 sizing agent 15 weight part.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2014107040813 | 2014-11-30 | ||
| CN201410704081 | 2014-11-30 |
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| CN105650162A true CN105650162A (en) | 2016-06-08 |
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| CN201510719913.3A Pending CN105650162A (en) | 2014-11-30 | 2015-10-30 | Particles having high-temperature declining resistance function and high heat conductivity and preparation method of particles |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001247851A (en) * | 2000-03-03 | 2001-09-14 | Nisshinbo Ind Inc | Non-asbestos friction material |
| CN101597476A (en) * | 2008-06-05 | 2009-12-09 | 比亚迪股份有限公司 | A kind of micropore friction material and preparation method thereof |
| CN101613516A (en) * | 2008-06-26 | 2009-12-30 | 比亚迪股份有限公司 | Be used to prepare the friction material composition and the friction materials of brake facing |
| CN102191015A (en) * | 2011-04-08 | 2011-09-21 | 复旦大学 | Hybrid fiber reinforced friction material for train braking and preparation method thereof |
| CN102352899A (en) * | 2011-09-22 | 2012-02-15 | 山东金麒麟集团有限公司 | Low-noise powder metallurgy brake pad and preparation method thereof |
| CN103351574A (en) * | 2013-06-03 | 2013-10-16 | 海盐华强树脂有限公司 | Method for preparing short fiber reinforced friction material through adopting long fibers |
| CN103602018A (en) * | 2013-11-08 | 2014-02-26 | 四川大学 | Method for improving oil resistance and high temperature resistance by blending desulfurized fluororubber micro-powder/acrylic rubber |
-
2015
- 2015-10-30 CN CN201510719913.3A patent/CN105650162A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001247851A (en) * | 2000-03-03 | 2001-09-14 | Nisshinbo Ind Inc | Non-asbestos friction material |
| CN101597476A (en) * | 2008-06-05 | 2009-12-09 | 比亚迪股份有限公司 | A kind of micropore friction material and preparation method thereof |
| CN101613516A (en) * | 2008-06-26 | 2009-12-30 | 比亚迪股份有限公司 | Be used to prepare the friction material composition and the friction materials of brake facing |
| CN102191015A (en) * | 2011-04-08 | 2011-09-21 | 复旦大学 | Hybrid fiber reinforced friction material for train braking and preparation method thereof |
| CN102352899A (en) * | 2011-09-22 | 2012-02-15 | 山东金麒麟集团有限公司 | Low-noise powder metallurgy brake pad and preparation method thereof |
| CN103351574A (en) * | 2013-06-03 | 2013-10-16 | 海盐华强树脂有限公司 | Method for preparing short fiber reinforced friction material through adopting long fibers |
| CN103602018A (en) * | 2013-11-08 | 2014-02-26 | 四川大学 | Method for improving oil resistance and high temperature resistance by blending desulfurized fluororubber micro-powder/acrylic rubber |
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Application publication date: 20160608 |
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