CN104086841B - Automobile brake sheet, the material preparing automobile brake sheet and material preparation method - Google Patents
Automobile brake sheet, the material preparing automobile brake sheet and material preparation method Download PDFInfo
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- CN104086841B CN104086841B CN201410270574.0A CN201410270574A CN104086841B CN 104086841 B CN104086841 B CN 104086841B CN 201410270574 A CN201410270574 A CN 201410270574A CN 104086841 B CN104086841 B CN 104086841B
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Abstract
The invention discloses a kind of polymer composite for automobile brake sheet and preparation method thereof and a kind of automobile brake sheet.This polymer composite includes the component of following weight portion: rubber 100 parts, graphite and 30 58 parts of the mixture of coke, glass fibre 15 20 parts, steel wool 15 27 parts, resinoid bond 15 20 parts, calcium oxide 12 parts, molybdenum bisuphide 7 10 parts, metallic cobalt 59 parts, Pulvis Talci 0.2 0.5 parts.The present invention is acted on by each component jointly for the polymer composite of automobile brake sheet, and being formed is specifically structure, has good heat absorptivity and thermal diffusivity, strengthens the stability of its coefficient of friction while increasing its coefficient of friction.
Description
Technical field
The invention belongs to technical field of polymer materials, particularly to a kind of polymer composite for automobile brake sheet and preparation method thereof and a kind of automobile brake sheet.
Background technology
Brake block is also brake rubber block.In the brake system of automobile, brake block is the breaking piece of most critical, and the quality of all braking effects is all that brake block plays a decisive role, so the brake block agreeing is the patron saint of people and automobile, is typically made up of steel plate, bonding thermal insulation layer and brake pad.Wherein, brake pad is made up of friction material, binding agent, is compressed on brake disc or brake rim generation friction, thus reaches the purpose of vehicle deceleration brake during brake.Due to rubbing action, brake pad can be gradually by abrasion, and the brake block abrasion that cost is the lowest in general must be the fastest.Friction material to change brake block after making to be finished in time, and otherwise steel plate will directly contact with brake disc, eventually loses braking effect and damages brake disc.Two kinds of brake blocks of many employings, a kind of brake block for macromolecular material, based on rubber, be added with resin in the market, its anti-friction is effective, but poor heat resistance, the life-span is short, and another is the brake block of inorganic material, its heat resistance is strong, but very frictional behaviour is poor, and noise is big.Concrete, disclosing a kind of brake pad material as domestic, it is prepared from by components such as rubber, graphite, glass fibre, cashew nut oil modified resin, molybdenum bisuphide, metallic cobalt, Pulvis Talci, Muscovitums.But finding in actual use, this brake pad material conductivity of heat is poor, and poor heat resistance, easily there is serious thermal decomposition 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 coefficient of friction unstable, reduce service life.
Summary of the invention
It is an object of the invention 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 transfer and poor heat resistance, material instability is led brake block and is caused the technical problem that coefficient of friction is unstable.
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 purpose, technical scheme is as follows:
A kind of polymer composite for automobile brake sheet, by weight, including following component:
And, the preparation method of a kind of polymer composite for automobile brake sheet, comprise the following steps:
Each component is weighed respectively according to the above-mentioned polymer composite for automobile brake sheet；
To weigh rubber, glass fibre, resinoid bond add heat fusing, obtain melting mixing liquid；
In mixed liquor, add other components of the polymer composite for automobile brake sheet weighed, at a temperature of more than 800 DEG C, carry out melting, and keep more than 10min after annealing cooling to process under described smelting temperature.
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 acted on jointly by each component, and being formed is specifically structure, has good heat absorptivity and thermal diffusivity, strengthens the stability of its coefficient of friction while increasing its coefficient of friction.
The preparation method of the above-mentioned polymer composite for automobile brake sheet carries out melting under specified temp after only in order each component need to being carried out mixing treatment and processes, its preparation method can make each component be uniformly dispersed and synergism occurs, realizing the present invention while the above-mentioned excellent properties of polymer composite of automobile brake sheet so that its stable performance.It addition, its preparation method technique is simple, condition is easily-controllable, with low cost, feature low for equipment requirements, is suitable to industrialized production.
Above-mentioned automobile brake sheet is owing to using the above-mentioned polymer composite for automobile brake sheet to be prepared from, and therefore, under the high temperature conditions, it can keep good braking ability, thus improves its safety coefficient.It addition, this automobile brake sheet brake noise is little, steady, the damage of antithesis is little.
Detailed description of the invention
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 (hereafter summary is polymer composite) of a kind of good heat absorptivity and thermal diffusivity.By weight, this polymer composite includes following component:
Specifically, above-mentioned rubber is as matrix material in polymer composite, and it can select the rubber of routine.
Above-mentioned graphite is dispersed in polymer composite with the mixture of coke, jointly acts on other components, can significantly improve heat absorptivity and the thermal diffusivity of this polymer composite.In a preferred embodiment, in this graphite mixture with coke, graphite is (1-4) with the weight ratio of coke: 1.In further preferred embodiments, graphite is (2-3) with the weight ratio of the graphite in the mixture of coke with coke: 1.In a particular embodiment, graphite is 3:1 with the weight ratio of the graphite in the mixture of coke with coke.
In one embodiment, the mixture content of this graphite and coke can be 40 parts, 41 parts, 42 parts, 43 parts, 44 parts, 45 parts, 46 parts, 48 parts, 50 parts, 52 parts, 53 parts, 54 parts, the weight portions such as 55 parts.In a preferred embodiment, this graphite is 40-55 part with the mixture content of coke.
In one embodiment, this content of glass fiber can be 15 parts, 16 parts, 17 parts, 18 parts, 19 parts, the weight portions such as 20 parts.
In one embodiment, this steel wool content can be 15 parts, 16 parts, 17 parts, 18 parts, 19 parts, 20 parts, 21 parts, 22 parts, 23 parts, 24 parts, 25 parts, 26 parts, the weight portions such as 27 parts.
In one embodiment, at least one in cashew nut oil modified resin, Pioloform, polyvinyl acetal, Merlon, nbr modified phenolic resins selected by above-mentioned resinoid bond.In another embodiment, this resin-bonded agent content can be 15 parts, 16 parts, 17 parts, 18 parts, 19 parts, the weight portions such as 20 parts.
In one embodiment, above-mentioned calcium oxide content can be 1 part, 1.2 parts, 1.5 parts, 1.8 parts, 1.9 parts, the weight portions such as 2 parts.
In one embodiment, above-mentioned molybdenum bisuphide calcium oxide content can be 7 parts, 8 parts, 9 parts, the weight portions such as 10 parts.
In one embodiment, above-mentioned Pulvis Talci can be 0.2 part, 0.3 part, 0.4 part, the weight portion such as 0.5 part.
The above-mentioned polymer composite for automobile brake sheet is acted on jointly by each component, and being formed is specifically structure, has good heat absorptivity and thermal diffusivity, strengthens the stability of its coefficient of friction while increasing its coefficient of friction.And by the selection of each constituent species and control, polymer composite target capabilities can be made to reach optimal.
Correspondingly, the embodiment of the present invention additionally provides the preparation method of above-mentioned polymer composite.The method comprises the steps:
S01. each component is weighed respectively according to above-mentioned polymer composite；
S02. will weigh rubber, glass fibre, resinoid bond add heat fusing, obtain melting mixing liquid；
S03., the melting mixing liquid of preparation adds in step S02 other components of the polymer composite weighed, at a temperature of more than 800 DEG C, carries out melting, and keep more than 10min after annealing cooling to process under described smelting temperature.
Specifically, polymer composite in above-mentioned steps S01 and its each component preferred content and kind as described above, in order to save length, do not repeat them here.
As long as the temperature and time adding heat fusing in above-mentioned steps S02 can make to take rubber, glass fibre, resinoid bond melt, form homogeneous mixture.
In above-mentioned steps S03 annealing cooling processing procedure so that this polymer composite molecule is recombinated, and forms specific structure.For being the requirement that more meets the embodiment of the present invention of the molecular structure of polymer composite so that it is have more excellent heat absorptivity and thermal diffusivity, higher coefficient of friction and the stability of coefficient of friction.In a preferred embodiment, this annealing cooling processes is to be made annealing treatment in frozen water by more than 800 DEG C melting things.
Mixing treatment can be carried out according to conventional mixing method, such as stirring etc., as long as by each component mix homogeneously.
The preparation method of above-mentioned polymer composite carries out melting under specified temp after only in order each component need to being carried out mixing treatment and processes, its preparation method can make each component be uniformly dispersed and synergism occurs, realizing the present invention while the above-mentioned excellent properties of polymer composite of automobile brake sheet so that its stable performance.It addition, its preparation method technique is simple.
Additionally, the embodiment of the present invention is on the basis of above-mentioned polymer composite and preparation method thereof, additionally providing a kind of automobile brake sheet, the friction material 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 using the above-mentioned polymer composite for automobile brake sheet to be prepared from, and therefore, under the high temperature conditions, it can keep good braking ability, thus improves its safety coefficient.It addition, this automobile brake sheet brake noise is little, steady, the damage of antithesis is little.
Now as a example by polymer composite and preparation method thereof, the present invention is further elaborated.
Embodiment 1
A kind of polymer composite for automobile brake sheet and preparation method thereof.By weight, this polymer composite being used for automobile brake sheet includes following component:
Rubber 100 parts, weight ratio are graphite and 40 parts of the mixture of coke, glass fibre 18 parts, steel wool 20 parts, Pioloform, polyvinyl acetal 18 parts, calcium oxide 1.5 parts, molybdenum bisuphide 8 parts, metallic cobalt 7 parts, the Pulvis Talci 0.3 part of 3:1.
Its preparation method is as follows:
S11. each component is weighed respectively according to the polymer composite of the present embodiment 1；
S12. will weigh rubber, glass fibre, Pioloform, polyvinyl acetal add heat fusing, obtain melting mixing liquid；
S13. in step S12, the melting mixing liquid of preparation adds other components of the polymer composite weighed, at a temperature of more than 800 DEG C, carry out melting, and keep more than 10min to be placed in frozen water under described smelting temperature carrying out cooling process of annealing.
Embodiment 2
A kind of polymer composite for automobile brake sheet and preparation method thereof.By weight, this polymer composite being used for automobile brake sheet includes following component:
Rubber 100 parts, weight ratio are graphite and 58 parts of the mixture of coke, glass fibre 20 parts, steel wool 15 parts, Merlon 20 parts, calcium oxide 2 parts, molybdenum bisuphide 7 parts, metallic cobalt 9 parts, the Pulvis Talci 0.5 part of 1.5:1.
Its preparation method is as follows:
S21. each component is weighed respectively according to the polymer composite of the present embodiment 1；
S22. will weigh rubber, glass fibre, Merlon add heat fusing, obtain melting mixing liquid；
S23. in step S22, the melting mixing liquid of preparation adds other components of the polymer composite weighed, at a temperature of more than 800 DEG C, carry out melting, and keep more than 10min to be placed in frozen water under described smelting temperature carrying out cooling process of annealing.
Embodiment 3
A kind of polymer composite for automobile brake sheet and preparation method thereof.By weight, this polymer composite being used for automobile brake sheet includes following component:
Rubber 100 parts, weight ratio are graphite and 30 parts of the mixture of coke, glass fibre 18 parts, steel wool 27 parts, nbr modified phenolic resins 15 parts, calcium oxide 1 part, molybdenum bisuphide 10 parts, metallic cobalt 5 parts, the Pulvis Talci 0.2 part of 2:1.
Its preparation method is as follows:
S31. each component is weighed respectively according to the polymer composite of the present embodiment 1；
S32. will weigh rubber, glass fibre, nbr modified phenolic resins add heat fusing, obtain melting mixing liquid；
S33. in step S22, the melting mixing liquid of preparation adds other components of the polymer composite weighed, at a temperature of more than 800 DEG C, carry out melting, and keep more than 10min to be placed in frozen water under described smelting temperature carrying out cooling process of annealing.
The polymer composite that above-described embodiment 1-3 provides is acted on jointly by each component, and being formed is specifically structure, has good heat absorptivity and thermal diffusivity, strengthens the stability of its coefficient of friction while increasing its coefficient of friction.Under the high temperature conditions, it can keep good braking ability to the automobile brake sheet prepared, thus improves its safety coefficient.It addition, this automobile brake sheet brake noise is little, steady, the damage of antithesis is little.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, should be included within the scope of the present invention.
Claims (7)
1. for a polymer composite for automobile brake sheet, by weight, including following component:
In the described graphite mixture with coke, described graphite is (1-4) with the weight ratio of coke: 1.
Polymer composite for automobile brake sheet the most according to claim 1, it is characterised in that
Including following component:
Wherein, in the described graphite mixture with coke, described graphite is (2-3) with the weight ratio of coke: 1.
3., according to the arbitrary described polymer composite for automobile brake sheet of claim 1-2, it is special
Levying and be: in the described graphite mixture with coke, described graphite is 3:1 with the weight ratio of coke.
4., according to the arbitrary described polymer composite for automobile brake sheet of claim 1-2, it is special
Levy and be: described resinoid bond is cashew nut oil modified resin, Pioloform, polyvinyl acetal, Merlon, butyronitrile
In phenol-formaldehyde resin modified at least one.
5. it is used for a preparation method for the polymer composite of automobile brake sheet, comprises the following steps:
According to the polymer composite for automobile brake sheet described in any one of Claims 1 to 4 respectively
Weigh each component；
To weigh rubber, glass fibre, resinoid bond add heat fusing, obtain melting mixing liquid；
Other of the polymer composite for automobile brake sheet weighed are added in described melting mixing liquid
Component, carries out melting at a temperature of more than 800 DEG C, and keeps more than 10min under described smelting temperature
After annealing cooling processes.
The preparation method of the polymer composite for automobile brake sheet the most according to claim 5,
It is characterized in that: it is to be made annealing treatment in frozen water by more than 800 DEG C melting things that described annealing cooling processes.
7. an automobile brake sheet, it is by the arbitrary described high score for automobile brake sheet of claim 1-4
Sub-composite is prepared from.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410270574.0A CN104086841B (en) | 2014-06-17 | 2014-06-17 | Automobile brake sheet, the material preparing automobile brake sheet and material preparation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410270574.0A CN104086841B (en) | 2014-06-17 | 2014-06-17 | Automobile brake sheet, the material preparing automobile brake sheet and material preparation method |
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| CN104086841A CN104086841A (en) | 2014-10-08 |
| CN104086841B true CN104086841B (en) | 2016-08-24 |
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| 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 |
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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 |
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