CN105647471A - Granule with noise reducing function and excellent heat conductive performance and preparation method thereof - Google Patents
Granule with noise reducing function and excellent heat conductive performance and preparation method thereof Download PDFInfo
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- CN105647471A CN105647471A CN201510719834.2A CN201510719834A CN105647471A CN 105647471 A CN105647471 A CN 105647471A CN 201510719834 A CN201510719834 A CN 201510719834A CN 105647471 A CN105647471 A CN 105647471A
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Abstract
The invention discloses a granule with a noise reducing function and excellent heat conductive performance and a preparation method thereof. The granule comprises the following components: NACF fiber, spherical white vermiculite, aluminum silicate hollow sphere, silicon-carbon fiber, foamed iron powder, flake graphite, diatomite, nitrile butadiene rubber powder, and F826 adhesive. The preparation method comprises the following steps: evenly mixing raw materials according to the formula, adding the mixture into a double roller rubber open mill, carrying out melting to melt and plasticize raw materials, and finally grinding the plasticized materials into granules with a particle size of 8 to 20 meshes. The granule has a good sound absorbing characteristic, and can be used as a noise reducing material for brake pad, so that the braking noise can be reduced, and at the same time, the wear of brake pad is reduced. Moreover, the thermal conductive performance of friction plate is improved, the quality of brake pad is improved, and the problem that the brake pad and friction plate easily get locked at a high temperature is solved.
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 particulate material and its preparation method with decrease of noise functions and superior thermal conductivity.
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, semi-metal type, main adopts coarse Steel Wool as the big mixture of reinforced fibers and important frictional coefficient, and major advantage is to adapt to normal operation at relatively high temperatures, but noise is too big, and the wear rate of brake flange is bigger.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, and a kind of particulate material with decrease of noise functions and superior thermal conductivity is provided. The material solving friction plate in existing brake facing because of noise in density is big, hardness height causes use procedure big, the problem of abrasion brake flange, and improve the heat conductivility of existing friction plate.
The technical scheme realizing above-mentioned purpose of the present invention is: a kind of particulate material with decrease of noise functions and superior thermal conductivity, and it is adopted and is prepared from the following method:
Formula includes: Na Kaifu fiber 12��17 weight part, spherical white vermiculite 10��18 weight part, hollow aluminosilicate ball 12��15 weight part, silicon carbon fiber 12��15 weight part, foam ferrous powder 6��10 weight part, crystalline flake graphite 4��7 weight part, diatomite 20��23 weight part, butadiene acrylonitrile rubber powder 1��3 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, spherical white vermiculite 10 weight part, hollow aluminosilicate ball 12 weight part, silicon carbon fiber 12 weight part, foam ferrous powder 6 weight part, crystalline flake graphite 4 weight part, diatomite 20 weight part, butadiene acrylonitrile rubber powder 1 weight part, F826 sizing agent 8 weight part.
The present invention further technical scheme be:
Formula includes: Na Kaifu fiber 17 weight part, spherical white vermiculite 18 weight part, hollow aluminosilicate ball 15 weight part, silicon carbon fiber 15 weight part, foam ferrous powder 10 weight part, crystalline flake graphite 7 weight part, diatomite 23 weight part, butadiene acrylonitrile rubber powder 3 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 the preparation method of a kind of particulate material with decrease of noise functions and superior thermal conductivity.
The technical scheme realizing above-mentioned purpose of the present invention is: the preparation method of a kind of particulate material with decrease of noise functions and superior thermal conductivity,
Formula includes: Na Kaifu fiber 12��17 weight part, spherical white vermiculite 10��18 weight part, hollow aluminosilicate ball 12��15 weight part, silicon carbon fiber 12��15 weight part, foam ferrous powder 6��10 weight part, crystalline flake graphite 4��7 weight part, diatomite 20��23 weight part, butadiene acrylonitrile rubber powder 1��3 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, spherical white vermiculite 10 weight part, hollow aluminosilicate ball 12 weight part, silicon carbon fiber 12 weight part, foam ferrous powder 6 weight part, crystalline flake graphite 4 weight part, diatomite 20 weight part, butadiene acrylonitrile rubber powder 1 weight part, F826 sizing agent 8 weight part.
The present invention further technical scheme be:
Formula includes: Na Kaifu fiber 17 weight part, spherical white vermiculite 18 weight part, hollow aluminosilicate ball 15 weight part, silicon carbon fiber 15 weight part, foam ferrous powder 10 weight part, crystalline flake graphite 7 weight part, diatomite 23 weight part, butadiene acrylonitrile rubber powder 3 weight part, F826 sizing agent 15 weight part.
The present invention is compared with prior art, there is following feature: the raw material of brake facing acoustic damping materials of the present invention adds Na Kaifu fiber, spherical white vermiculite and hollow aluminosilicate ball, these three kinds of density of material and hardness are lower, the characteristic all with bulk porous, this makes brake facing acoustic damping materials of the present invention possess good sound absorption characteristics. Friction plate thermally conductive material in the present invention is mixed in friction plate simultaneously, the thermal conductivity of friction plate can be made to improve, thermal conductivity increases, decrease because localized heat swelling causes that friction plate bubbles, 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.
Below in conjunction with embodiment, content of the present invention is further described.
Embodiment
Embodiment 1
A particulate material with decrease of noise functions and superior thermal conductivity, it is adopted and is prepared from the following method:
Formula comprises: Na Kaifu fiber 12 weight part, spherical white vermiculite 10 weight part, hollow aluminosilicate ball 12 weight part, silicon carbon fiber 12 weight part, foam ferrous powder 6 weight part, crystalline flake graphite 4 weight part, diatomite 20 weight part, butadiene acrylonitrile rubber powder 1 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
A particulate material with decrease of noise functions and superior thermal conductivity, it is adopted and is prepared from the following method:
Formula comprises: Na Kaifu fiber 17 weight part, spherical white vermiculite 18 weight part, hollow aluminosilicate ball 15 weight part, silicon carbon fiber 15 weight part, foam ferrous powder 10 weight part, crystalline flake graphite 7 weight part, diatomite 23 weight part, butadiene acrylonitrile rubber powder 3 weight part, F826 sizing agent 15 weight part;
Its preparation technology is identical with embodiment 1.
Embodiment 3
The preparation method of a kind of particulate material with decrease of noise functions and superior thermal conductivity, its formula comprises: Na Kaifu fiber 12 weight part, spherical white vermiculite 10 weight part, hollow aluminosilicate ball 12 weight part, silicon carbon fiber 12 weight part, foam ferrous powder 6 weight part, crystalline flake graphite 4 weight part, diatomite 20 weight part, butadiene acrylonitrile rubber powder 1 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
The preparation method of a kind of particulate material with decrease of noise functions and superior thermal conductivity, its formula comprises: Na Kaifu fiber 17 weight part, spherical white vermiculite 18 weight part, hollow aluminosilicate ball 15 weight part, silicon carbon fiber 15 weight part, foam ferrous powder 10 weight part, crystalline flake graphite 7 weight part, diatomite 23 weight part, butadiene acrylonitrile rubber powder 3 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. a particulate material with decrease of noise functions and superior thermal conductivity, is characterized in that adopting and is prepared from the following method:
Formula includes: Na Kaifu fiber 12��17 weight part, spherical white vermiculite 10��18 weight part, hollow aluminosilicate ball 12��15 weight part, silicon carbon fiber 12��15 weight part, foam ferrous powder 6��10 weight part, crystalline flake graphite 4��7 weight part, diatomite 20��23 weight part, butadiene acrylonitrile rubber powder 1��3 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. a kind of particulate material with decrease of noise functions and superior thermal conductivity according to claim 1, it is characterized in that formula includes: Na Kaifu fiber 12 weight part, spherical white vermiculite 10 weight part, hollow aluminosilicate ball 12 weight part, silicon carbon fiber 12 weight part, foam ferrous powder 6 weight part, crystalline flake graphite 4 weight part, diatomite 20 weight part, butadiene acrylonitrile rubber powder 1 weight part, F826 sizing agent 8 weight part.
3. a kind of particulate material with decrease of noise functions and superior thermal conductivity according to claim 1, it is characterized in that formula includes: Na Kaifu fiber 17 weight part, spherical white vermiculite 18 weight part, hollow aluminosilicate ball 15 weight part, silicon carbon fiber 15 weight part, foam ferrous powder 10 weight part, crystalline flake graphite 7 weight part, diatomite 23 weight part, butadiene acrylonitrile rubber powder 3 weight part, F826 sizing agent 15 weight part.
4. one kind has the preparation method of the particulate material of decrease of noise functions and superior thermal conductivity, it is characterized in that formula includes: Na Kaifu fiber 12��17 weight part, spherical white vermiculite 10��18 weight part, hollow aluminosilicate ball 12��15 weight part, silicon carbon fiber 12��15 weight part, foam ferrous powder 6��10 weight part, crystalline flake graphite 4��7 weight part, diatomite 20��23 weight part, butadiene acrylonitrile rubber powder 1��3 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. the preparation method of a kind of particulate material with decrease of noise functions and superior thermal conductivity according to claim 4, it is characterized in that formula includes: Na Kaifu fiber 12 weight part, spherical white vermiculite 10 weight part, hollow aluminosilicate ball 12 weight part, silicon carbon fiber 12 weight part, foam ferrous powder 6 weight part, crystalline flake graphite 4 weight part, diatomite 20 weight part, butadiene acrylonitrile rubber powder 1 weight part, F826 sizing agent 8 weight part.
6. the preparation method of a kind of particulate material with decrease of noise functions and superior thermal conductivity according to claim 4, it is characterized in that formula includes: Na Kaifu fiber 17 weight part, spherical white vermiculite 18 weight part, hollow aluminosilicate ball 15 weight part, silicon carbon fiber 15 weight part, foam ferrous powder 10 weight part, crystalline flake graphite 7 weight part, diatomite 23 weight part, butadiene acrylonitrile rubber powder 3 weight part, F826 sizing agent 15 weight part.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410704092 | 2014-11-30 | ||
| CN2014107040921 | 2014-11-30 |
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| CN105647471A true CN105647471A (en) | 2016-06-08 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101555913A (en) * | 2009-01-25 | 2009-10-14 | 瑞阳汽车零部件（仙桃）有限公司 | Fire-resistant micro-metal brake pad |
| 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 |
| CN103087675A (en) * | 2013-01-23 | 2013-05-08 | 衡阳市安骋汽车配件有限公司 | Preparation method of ore-based material of friction plate of automobile |
| CN103694954A (en) * | 2013-12-02 | 2014-04-02 | 衡阳市安骋汽车配件有限公司 | Preparation method of mineral-based material of automobile friction plate |
| CN103937452A (en) * | 2014-05-04 | 2014-07-23 | 中国矿业大学 | Formula and preparation method of mine hoist soft-magnetism brake shoe material |
| CN104109342A (en) * | 2014-07-18 | 2014-10-22 | 盐城工学院 | Low-noise heat-fade-resistant resin-base friction material |
-
2015
- 2015-10-30 CN CN201510719834.2A patent/CN105647471A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101555913A (en) * | 2009-01-25 | 2009-10-14 | 瑞阳汽车零部件（仙桃）有限公司 | Fire-resistant micro-metal brake pad |
| 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 |
| CN103087675A (en) * | 2013-01-23 | 2013-05-08 | 衡阳市安骋汽车配件有限公司 | Preparation method of ore-based material of friction plate of automobile |
| CN103694954A (en) * | 2013-12-02 | 2014-04-02 | 衡阳市安骋汽车配件有限公司 | Preparation method of mineral-based material of automobile friction plate |
| CN103937452A (en) * | 2014-05-04 | 2014-07-23 | 中国矿业大学 | Formula and preparation method of mine hoist soft-magnetism brake shoe material |
| CN104109342A (en) * | 2014-07-18 | 2014-10-22 | 盐城工学院 | Low-noise heat-fade-resistant resin-base friction material |
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Application publication date: 20160608 |