CN104086841A - Automobile brake disc, material for preparing same and preparation method for material - Google Patents
Automobile brake disc, material for preparing same and preparation method for material Download PDFInfo
- Publication number
- CN104086841A CN104086841A CN201410270574.0A CN201410270574A CN104086841A CN 104086841 A CN104086841 A CN 104086841A CN 201410270574 A CN201410270574 A CN 201410270574A CN 104086841 A CN104086841 A CN 104086841A
- Authority
- CN
- China
- Prior art keywords
- automobile brake
- parts
- polymer composite
- brake sheet
- coke
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Braking Arrangements (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a high-molecular composite material used for an automobile brake disc, a preparation method for the material, and the automobile brake disc. The high-molecular composite material comprises the following compositions in parts by weight: 100 parts of rubber, 30-58 parts of a mixture of graphite and coke, 15-20 parts of glass fiber, 15-27 parts of steel wool, 15-20 parts of a resin binder, 1-2 parts of calcium oxide, 7-10 parts of molybdenum disulfide, 5-9 parts of metal cobalt and 0.2-0.5 parts of talcum powder. The high-molecular composite material for the automobile brake disc forms a specific structure through the combined action of the compositions, has good heat absorptivity and heat dissipation property, and is enhanced both friction coefficient and the stability of friction coefficient.
Description
Technical field
The invention belongs to technical field of polymer materials, particularly a kind of polymer composite for automobile brake sheet and preparation method thereof and a kind of automobile brake sheet.
Background technology
Brake facing is also brake rubber block.In the brake system of automobile, brake facing is the breaking piece of most critical, and the quality of all braking effects is all that brake facing plays a decisive role, so the brake facing of agreeing is the patron saint of people and automobile, generally steel plate, bonding thermofin and frictionshoe, consists of.Wherein, frictionshoe is comprised of friction materials, tackiness agent, is compressed on brake flange or brake drum and produces and rub, thereby reach the object that vehicle deceleration brakes during brake.Due to rubbing effect, frictionshoe can be gradually by abrasion, and the brake facing abrasion that cost is lower in general must be faster.After friction materials uses, will change in time brake facing, otherwise steel plate will directly contact with brake flange, finally can lose braking effect and damage brake flange.Adopt two kinds of brake facings in the market, a kind of is the brake facing of macromolecular material, take rubber as main, is added with resin more, its anti-friction is effective, but poor heat resistance, the life-span is short, another brake facing that is inorganic materials, its resistance toheat is strong, but very frictional behaviour is poor, and noise is large.Concrete, a kind of brake pad material is disclosed as domestic, it is prepared from by components such as rubber, graphite, glass fibre, cashew nut oil modified resin, molybdenumdisulphide, cobalt metal, talcum powder, micas.But find in actual use, this brake pad material thermal conduction is poor, and poor heat resistance, easily there is serious thermolysis in the heat in the accumulation of short-and-medium period of brake process, make its friction and wear behavior slump of disastrous proportions, cause frictional coefficient unstable, reduce work-ing life.
Summary of the invention
The object of the invention is to overcome the above-mentioned deficiency of prior art, a kind of polymer composite for automobile brake sheet and preparation method thereof is provided, to solve existing automobile brake sheet heat, transmit and poor heat resistance, the unstable brake facing of leading of material causes the unsettled technical problem of frictional coefficient.
Another object of the present invention is to provide the automobile brake sheet of a kind of material settling out, stable friction factor.
In order to realize foregoing invention object, technical scheme of the present invention is as follows:
For a polymer composite for automobile brake sheet, by weight, comprise following component:
And a kind of preparation method of the polymer composite for automobile brake sheet, comprises the following steps:
According to the above-mentioned polymer composite for automobile brake sheet, take respectively each component;
To take rubber, glass fibre, resin glue heating and melting, obtain melting mixing liquid;
To other components that add the polymer composite for automobile brake sheet taking in mixed solution, at more than 800 ℃ temperature, carry out melting, and under described smelting temperature, keep the above after annealing cooling process of 10min.
And, a kind of automobile brake sheet, it is prepared from by the above-mentioned polymer composite for automobile brake sheet or the polymer composite for automobile brake sheet prepared by the above-mentioned polymer composite preparation method for automobile brake sheet.
Compared with prior art, the above-mentioned polymer composite for automobile brake sheet is by each component acting in conjunction, and forming is specifically structure, has good heat absorptivity and thermal diffusivity, strengthens the stability of its frictional coefficient when increasing its frictional coefficient.
The preparation method of the above-mentioned polymer composite for automobile brake sheet only need carry out each component under specified temp, carrying out melting processing after mixing treatment in order, its preparation method can make each component be uniformly dispersed and act synergistically, when realizing the polymer composite above-mentioned excellent properties of the present invention for automobile brake sheet, make its stable performance.In addition, its preparation method technique is simple, and condition is easily controlled, with low cost, and feature low for equipment requirements, is suitable for suitability for industrialized production.
Above-mentioned automobile brake sheet is owing to adopting the above-mentioned polymer composite for automobile brake sheet to be prepared from, and therefore, under hot conditions, it can keep good braking ability, thereby improves its safety coefficient.In addition, this automobile brake sheet brake noise is little, steady, and the damage of antithesis is little.
Embodiment
In order to make the technical problem to be solved in the present invention, technical scheme and beneficial effect clearer, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The embodiment of the present invention provides the polymer composite for automobile brake sheet (below summary is polymer composite) of a kind of good heat absorptivity and thermal diffusivity.By weight, this polymer composite comprises following component:
Particularly, above-mentioned rubber is as body material in polymer composite, and it can select conventional rubber.
The mixture of above-mentioned graphite and coke is dispersed in polymer composite, with other component actings in conjunction, can significantly improve heat absorptivity and the thermal diffusivity of this polymer composite.In a preferred embodiment, in the mixture of this graphite and coke, the weight ratio of graphite and coke is (1-4): 1.In further preferred embodiment, the graphite in the mixture of graphite and coke and the weight ratio of coke are (2-3): 1.In specific embodiment, the graphite in the mixture of graphite and coke and the weight ratio of coke are 3:1.
In one embodiment, the mixture content of this graphite and coke can be the weight parts such as 40 parts, 41 parts, 42 parts, 43 parts, 44 parts, 45 parts, 46 parts, 48 parts, 50 parts, 52 parts, 53 parts, 54 parts, 55 parts.In a preferred embodiment, the mixture content of this graphite and coke is 40-55 part.
In one embodiment, this content of glass fiber can be the weight parts such as 15 parts, 16 parts, 17 parts, 18 parts, 19 parts, 20 parts.
In one embodiment, this steel wool content can be the weight parts such as 15 parts, 16 parts, 17 parts, 18 parts, 19 parts, 20 parts, 21 parts, 22 parts, 23 parts, 24 parts, 25 parts, 26 parts, 27 parts.
In one embodiment, above-mentioned resin glue is selected at least one in cashew nut oil modified resin, polyvinyl acetal, poly-carbonic acid vinegar, nbr modified phenolic resins.In another embodiment, this resin-bonded agent content can be the weight parts such as 15 parts, 16 parts, 17 parts, 18 parts, 19 parts, 20 parts.
In one embodiment, above-mentioned calcium oxide content can be the weight parts such as 1 part, 1.2 parts, 1.5 parts, 1.8 parts, 1.9 parts, 2 parts.
In one embodiment, above-mentioned molybdenumdisulphide calcium oxide content can be the weight parts such as 7 parts, 8 parts, 9 parts, 10 parts.
In one embodiment, above-mentioned talcum powder can be the weight part such as 0.2 part, 0.3 part, 0.4 part, 0.5 part.
The above-mentioned polymer composite for automobile brake sheet is by each component acting in conjunction, and forming is specifically structure, has good heat absorptivity and thermal diffusivity, strengthens the stability of its frictional coefficient when increasing its frictional coefficient.And by the selecting and the control of use of each component kind, can make polymer composite target capabilities reach best.
Correspondingly, the embodiment of the present invention also provides the preparation method of above-mentioned polymer composite.The method comprises the steps:
S01. according to above-mentioned polymer composite, take respectively each component;
S02. will take rubber, glass fibre, resin glue heating and melting, obtain melting mixing liquid;
S03. to other components that add the polymer composite taking in the melting mixing liquid of preparing in step S02, at more than 800 ℃ temperature, carry out melting, and under described smelting temperature, keep the above after annealing cooling process of 10min.
Particularly, the polymer composite in above-mentioned steps S01 with and each component preferred content and kind as described above, in order to save length, do not repeat them here.
The temperature and time of the heating and melting in above-mentioned steps S02 is so long as can make to get rubber, glass fibre, resin glue melting, formation uniform mixture.
In above-mentioned steps S03 annealing cooling process process, this polymer composite molecule is recombinated, form specific structure.For being the requirement that the molecular structure of polymer composite more meets the embodiment of the present invention, make it have more excellent heat absorptivity and thermal diffusivity, higher frictional coefficient and the stability of frictional coefficient.In a preferred embodiment, this annealing cooling process is that 800 ℃ of above melting things are carried out to anneal in frozen water.
Mixing treatment can be carried out according to conventional mixing method, as stirred etc., as long as each component is mixed.
The preparation method of above-mentioned polymer composite only need carry out each component under specified temp, carrying out melting processing after mixing treatment in order, its preparation method can make each component be uniformly dispersed and act synergistically, when realizing the polymer composite above-mentioned excellent properties of the present invention for automobile brake sheet, make its stable performance.In addition, its preparation method technique is simple.
In addition, the embodiment of the present invention is on the basis of above-mentioned polymer composite and preparation method thereof, a kind of automobile brake sheet is also provided, and the friction materials of this automobile brake sheet is prepared from by above-mentioned polymer composite or the polymer composite prepared by above-mentioned polymer composite preparation method.This automobile brake sheet is owing to adopting the above-mentioned polymer composite for automobile brake sheet to be prepared from, and therefore, under hot conditions, it can keep good braking ability, thereby improves its safety coefficient.In addition, this automobile brake sheet brake noise is little, steady, and the damage of antithesis is little.
Now take polymer composite and preparation method thereof as example, the present invention is further elaborated.
Embodiment 1
A kind of polymer composite for automobile brake sheet and preparation method thereof.By weight, should comprise following component for the polymer composite of automobile brake sheet:
100 parts of rubber, graphite that weight ratio is 3:1 and 7 parts of 8 parts of 1.5 parts, 18 parts of 20 parts of 18 parts, 40 parts, mixture, glass fibre, steel wools, polyvinyl acetals, calcium oxide, molybdenumdisulphide, cobalt metals, 0.3 part of the talcum powder of coke.
Its preparation method is as follows:
S11. according to the polymer composite of the present embodiment 1, take respectively each component;
S12. will take rubber, glass fibre, polyvinyl acetal heating and melting, obtain melting mixing liquid;
S13. to other components that add the polymer composite taking in the melting mixing liquid of preparing in step S12, at more than 800 ℃ temperature, carry out melting, and the cooling process of annealing keep more than 10min being placed on frozen water under described smelting temperature in.
Embodiment 2
A kind of polymer composite for automobile brake sheet and preparation method thereof.By weight, should comprise following component for the polymer composite of automobile brake sheet:
15 parts of 20 parts, 58 parts, mixture, glass fibre, the steel wools of 100 parts of rubber, graphite that weight ratio is 1.5:1 and coke, 20 parts of poly-carbonic acid vinegar, 2 parts, calcium oxide, 7 parts of molybdenumdisulphide, 9 parts of cobalt metals, 0.5 part of talcum powder.
Its preparation method is as follows:
S21. according to the polymer composite of the present embodiment 1, take respectively each component;
S22. will take rubber, glass fibre, poly-carbonic acid vinegar heating and melting, obtain melting mixing liquid;
S23. to other components that add the polymer composite taking in the melting mixing liquid of preparing in step S22, at more than 800 ℃ temperature, carry out melting, and the cooling process of annealing keep more than 10min being placed on frozen water under described smelting temperature in.
Embodiment 3
A kind of polymer composite for automobile brake sheet and preparation method thereof.By weight, should comprise following component for the polymer composite of automobile brake sheet:
100 parts of rubber, graphite that weight ratio is 2:1 and 5 parts of 10 parts of 1 part, 15 parts of 27 parts of 18 parts, 30 parts, mixture, glass fibre, steel wools, nbr modified phenolic resinses, calcium oxide, molybdenumdisulphide, cobalt metals, 0.2 part of the talcum powder of coke.
Its preparation method is as follows:
S31. according to the polymer composite of the present embodiment 1, take respectively each component;
S32. will take rubber, glass fibre, nbr modified phenolic resins heating and melting, obtain melting mixing liquid;
S33. to other components that add the polymer composite taking in the melting mixing liquid of preparing in step S22, at more than 800 ℃ temperature, carry out melting, and the cooling process of annealing keep more than 10min being placed on frozen water under described smelting temperature in.
The polymer composite that above-described embodiment 1-3 provides is by each component acting in conjunction, and forming is specifically structure, has good heat absorptivity and thermal diffusivity, strengthens the stability of its frictional coefficient when increasing its frictional coefficient.The automobile brake sheet preparing is under hot conditions, and it can keep good braking ability, thereby improves its safety coefficient.In addition, this automobile brake sheet brake noise is little, steady, and the damage of antithesis is little.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. for a polymer composite for automobile brake sheet, by weight, comprise following component:
2. the polymer composite for automobile brake sheet according to claim 1, is characterized in that: in the mixture of described graphite and coke, the weight ratio of described graphite and coke is (1-4): 1.
3. the polymer composite for automobile brake sheet according to claim 2, is characterized in that, comprises following component:
Wherein, in the mixture of described graphite and coke, the weight ratio of described graphite and coke is (2-3): 1.
4. according to the arbitrary described polymer composite for automobile brake sheet of claim 1-3, it is characterized in that: in the mixture of described graphite and coke, the weight ratio of described graphite and coke is 3:1.
5. according to the arbitrary described polymer composite for automobile brake sheet of claim 1-3, it is characterized in that: described resin glue is at least one in cashew nut oil modified resin, polyvinyl acetal, poly-carbonic acid vinegar, nbr modified phenolic resins.
6. for a preparation method for the polymer composite of automobile brake sheet, comprise the following steps:
According to the polymer composite for automobile brake sheet described in claim 1～5 any one, take respectively each component;
To take rubber, glass fibre, resin glue heating and melting, obtain melting mixing liquid;
To other components that add the polymer composite for automobile brake sheet taking in described melting mixing liquid, at more than 800 ℃ temperature, carry out melting, and under described smelting temperature, keep the above after annealing cooling process of 10min.
7. the preparation method of the polymer composite for automobile brake sheet according to claim 6, is characterized in that: described annealing cooling process is that 800 ℃ of above melting things are carried out to anneal in frozen water.
8. an automobile brake sheet, it is prepared from by the arbitrary described polymer composite for automobile brake sheet of claim 1-5 or the polymer composite for automobile brake sheet prepared by the arbitrary described polymer composite preparation method for automobile brake sheet of claim 6-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410270574.0A CN104086841B (en) | 2014-06-17 | 2014-06-17 | Automobile brake sheet, the material preparing automobile brake sheet and material preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410270574.0A CN104086841B (en) | 2014-06-17 | 2014-06-17 | Automobile brake sheet, the material preparing automobile brake sheet and material preparation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104086841A true CN104086841A (en) | 2014-10-08 |
| CN104086841B CN104086841B (en) | 2016-08-24 |
Family
ID=51634614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410270574.0A Active CN104086841B (en) | 2014-06-17 | 2014-06-17 | Automobile brake sheet, the material preparing automobile brake sheet and material preparation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104086841B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763357A (en) * | 2016-12-04 | 2017-05-31 | 丹阳市宸兴环保设备有限公司 | A kind of automobile brake sheet metal material and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4465796A (en) * | 1982-02-05 | 1984-08-14 | Valeo | Friction lining suitable for use in brakes, clutches and other applications |
| CN101033786A (en) * | 2006-03-09 | 2007-09-12 | 王长达 | Asbestos-free clutch facing used in vehicle and manufacture method therefor |
| CN101391611A (en) * | 2008-10-31 | 2009-03-25 | 北京瑞斯福科技有限公司 | High friction composite brake shoe for railway freight car and manufacture method thereof |
| CN101900176A (en) * | 2010-07-02 | 2010-12-01 | 北京瑞斯福科技有限公司 | Novel mosaic composition brake shoe and manufacturing method thereof |
| CN102965075A (en) * | 2012-11-20 | 2013-03-13 | 无锡康柏斯机械科技有限公司 | Special high-molecular and inorganic compound friction material for automobile brake pad and preparation method of material |
-
2014
- 2014-06-17 CN CN201410270574.0A patent/CN104086841B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4465796A (en) * | 1982-02-05 | 1984-08-14 | Valeo | Friction lining suitable for use in brakes, clutches and other applications |
| CN101033786A (en) * | 2006-03-09 | 2007-09-12 | 王长达 | Asbestos-free clutch facing used in vehicle and manufacture method therefor |
| CN101391611A (en) * | 2008-10-31 | 2009-03-25 | 北京瑞斯福科技有限公司 | High friction composite brake shoe for railway freight car and manufacture method thereof |
| CN101900176A (en) * | 2010-07-02 | 2010-12-01 | 北京瑞斯福科技有限公司 | Novel mosaic composition brake shoe and manufacturing method thereof |
| CN102965075A (en) * | 2012-11-20 | 2013-03-13 | 无锡康柏斯机械科技有限公司 | Special high-molecular and inorganic compound friction material for automobile brake pad and preparation method of material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763357A (en) * | 2016-12-04 | 2017-05-31 | 丹阳市宸兴环保设备有限公司 | A kind of automobile brake sheet metal material and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104086841B (en) | 2016-08-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100516122C (en) | Method for preparing friction material by wet type mixing material | |
| US8980974B2 (en) | Low copper-containing friction material composition used as brake pad | |
| CN103992769B (en) | A kind of car is used without copper high-performance environment protection type friction materials and preparation method | |
| CN107676413B (en) | A kind of brake block friction material composition and preparation method thereof and brake block | |
| WO2012088636A1 (en) | Automotive ceramic friction material free from asbestos and metal and preparation method thereof | |
| CN101613516A (en) | Be used to prepare the friction material composition and the friction materials of brake facing | |
| CN102093841A (en) | Double-adhesive friction material | |
| CN101586636B (en) | Low ceramet group automobile brake pad and preparation method thereof | |
| CN105238351B (en) | Friction material for transmission braking and product with same | |
| CN101592203A (en) | A kind of semimetal ceramic base automobile brake pad and preparation method thereof | |
| CN108506387A (en) | A kind of brake pad and preparation method thereof, brake block | |
| JP6630136B2 (en) | Friction material | |
| CN109737159A (en) | A kind of complex salt binder composite friction material and preparation method thereof | |
| CN105884252A (en) | Manufacturing process and method of abrasion-resisting lining part | |
| CN102794912B (en) | Preparation method of friction material for vehicle brake disc | |
| CN104086841A (en) | Automobile brake disc, material for preparing same and preparation method for material | |
| CN109931350B (en) | Copper-free graphene ceramic brake pad composite material, brake pad, preparation method and application thereof | |
| CN104946201A (en) | Friction material, brake pad made of friction material, preparation method of brake pad, and vehicle | |
| CN102506107B (en) | Wet type friction clutch disc material for transmitting high power and preparation process | |
| CN108559149A (en) | A kind of graphene enhancing clutch friction plate and its preparation process | |
| CN102229467A (en) | Glass ceramic based automobile brake pad and preparation method thereof | |
| CN102433101A (en) | Composite reinforced ceramic high-temperature resistant friction material | |
| CN116804107A (en) | Automobile brake disc and preparation method thereof | |
| CN107881396A (en) | A kind of preparation method of automobile brake sheet low noise powdered metallurgical material | |
| CN110657180A (en) | Nano-material modified automobile brake pad |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhou Long Inventor after: Liu Zean Inventor after: Wu Xian Inventor after: He Zheng Inventor after: Ma Zhengsheng Inventor before: Liu Zean Inventor before: Wu Xian Inventor before: He Zheng Inventor before: Ma Zhengsheng Inventor before: Zhou Long |
|
| COR | Change of bibliographic data | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |