CN105132101A - Automobile braking fluid - Google Patents
Automobile braking fluid Download PDFInfo
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- CN105132101A CN105132101A CN201510515247.1A CN201510515247A CN105132101A CN 105132101 A CN105132101 A CN 105132101A CN 201510515247 A CN201510515247 A CN 201510515247A CN 105132101 A CN105132101 A CN 105132101A
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Abstract
The invention discloses an automobile braking fluid comprising the following components in parts by weight: 30-50 parts of ethylene glycol, 5-10 parts of diethylene glycol, 1-5 parts of glycerol, 20-30 parts of diethylene glycol butyl ether, 20-50 parts of triethylene glycol dimethyl ether, 1-3 parts of tetrapentaerythritol ester, 0.5-1 part of trioctyl ester, 2-5 parts of a borate type antirusting agent, 0.5-1 part of sodium benzoate, 0.2-0.5 part of dinaphthol, 0.1-0.2 part of alkyl thiophosphate, and 0.2-0.5 part of an anionic hydroxyl silicone oil emulsion. Compared with the prior art, the automobile braking fluid has good stability at high temperature, rarely generates gas resistance conditions, and also has relatively good fluidity at low temperature. At the same time, compared with commercial automobile braking liquids, the automobile braking fluid provided by the invention has small corrosion on automobile components and parts, and besides, also has the functions of corrosion prevention and rust prevention.
Description
Technical field
The present invention relates to field of fine chemical, particularly a kind of motor vehicle brake fluid.
Background technology
Along with the development of China's economy, automobile industry is just constantly development and lifting also, and due to the raising of the performance of automobile, the speed of running car also just constantly improves, so require just more and more higher for automobile brake perfrmance.At present, motor vehicle brake fluid is divided three classes altogether, respectively: Viscotrol C alcohol brake fluid, mineral oil origin braking fluid and Synthetic Brake Fluid.The high temperature performance of Viscotrol C alcohol brake fluid is poor, uses under the high temperature conditions and easily produces vapour lock, and use easy generation braking is slow at low temperatures causes brake failure.One great disadvantage of mineral oil origin braking fluid, it, to natural rubber leather cup bad adaptability, is easily split up and has an accident, incompatible with water.Based on above reason, use Synthetic Brake Fluid in current most of automobile, but commercially available Synthetic Brake Fluid also also exists very large problem.
The first, the anti-vapour lock of high temperature of commercially available Synthetic Brake Fluid is new and low-temperature fluidity is still undesirable, and under the winter low temperature of cold, automobile brake weakens to some extent, and under summer high temperature, the stopping power of automobile also can decline; The second, the erosion resistance of commercially available Synthetic Brake Fluid is not good, can produce serious corrosion to brake system of car, when the extent of corrosion of all parts is inconsistent, can Vehicle Driving Wandering be caused, cause the dangerous of driving, also can increase the number of times of repairing, add unnecessary repair expense.
Summary of the invention
Object of the present invention, provide a kind of novel synthetic auto brake fluid exactly to solve the problem, this motor vehicle brake fluid not only at high temperature can resist vapour lock, and flow at low temperatures is also better, meanwhile, it is also extremely low to the corrodibility of metal parts in automobile.
For achieving the above object, technical scheme of the present invention is implemented as follows:
A kind of motor vehicle brake fluid of the present invention, described braking fluid comprises following component and weight part content thereof:
Above-mentioned a kind of motor vehicle brake fluid, wherein, described boric acid salt form rust-preventive agent comprises following component and weight part content thereof:
Above-mentioned a kind of motor vehicle brake fluid, wherein, the preparation method of described boric acid salt form rust-preventive agent is as follows: after 30 part by weight of boric acid and 15 weight part ammoniacal liquor mixing post-heating to boiling, add 10 parts by weight of sodium hydroxide, continue heating 10min, after being down to room temperature, adding 3 weight part sodium laurylsulfonates and 3 weight part EDTA, after fully stirring, namely obtaining boric acid salt form rust-preventive agent.
Above-mentioned a kind of motor vehicle brake fluid, wherein, described negatively charged ion hydroxy-silicone-oil emulsion comprises following component and weight part content thereof:
Anionic emulsifier 5 parts;
Silicone oil 20-30 part;
Deionized water 50-60 part;
Above-mentioned a kind of motor vehicle brake fluid, wherein, the preparation method of described negatively charged ion hydroxy-silicone-oil emulsion is as follows: fully mixed by the deionized water of 5 weight part sodium stearate, 22 weight part silicone oil and 52 weight parts 55 DEG C, be placed in shears, rotating speed is 10000 revs/min, and shear time is 3 minutes, mixture after shearing is transferred in paddle agitator, rotating speed is 500 revs/min, is down to room temperature after stirring, i.e. obtained negatively charged ion hydroxy-silicone-oil emulsion.
Above-mentioned a kind of motor vehicle brake fluid, wherein, described braking fluid comprises following component and weight part content thereof:
Above-mentioned a kind of motor vehicle brake fluid, wherein, described braking fluid comprises following component and weight part content thereof:
Beneficial effect of the present invention is as follows:
Compared with prior art, the alcohol used in the present invention's formula and ether all have higher boiling point, in this formula, also add antioxidant, rust-preventive agent etc. simultaneously, these materials can well play the stability keeping motor vehicle brake fluid, whole product has satisfactory stability when high temperature, the situation producing vapour lock seldom occurs, and also has good mobility under low-temperature condition.Meanwhile, compared with commercially available motor vehicle brake fluid, motor vehicle brake fluid of the present invention is very little to the corrodibility of automobile component, simultaneously also with anticorrosion and antirust function.In sum, the development of the present invention to this industry of motor vehicle brake fluid is very helpful.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1
The present embodiment provide not only the formula of motor vehicle brake fluid, also embodies the preparation method of this motor vehicle brake fluid.
The preparation method of motor vehicle brake fluid of the present invention is as follows:
Step 1: after 30 part by weight of boric acid and 15 weight part ammoniacal liquor mixing post-heating to boiling, add 10 parts by weight of sodium hydroxide, continue heating 10min, after being down to room temperature, adding 3 weight part sodium laurylsulfonates and 3 weight part EDTA, namely boric acid salt form rust-preventive agent is obtained after abundant stirring, for subsequent use.
Step 2: the deionized water of 5 weight part sodium stearate, 22 weight part silicone oil and 52 weight parts 55 DEG C is fully mixed, be placed in shears, rotating speed is 10000 revs/min, shear time is 3 minutes, be transferred in paddle agitator by the mixture after shearing, rotating speed is 500 revs/min, is down to room temperature after stirring, namely obtained negatively charged ion hydroxy-silicone-oil emulsion, for subsequent use.
Step 3: prepare the starting material preparing motor vehicle brake fluid according to following component and weight part content thereof: the negatively charged ion hydroxy-silicone-oil emulsion 0.3 part in the boric acid salt form rust-preventive agent 3 parts in ethylene glycol 40 parts, glycol ether 10 parts, glycerol 5 parts, butyl carbitol 25 parts, triglyme 45 parts, pentaerythritol tetrathioglycollate 2 parts, three monooctyl ester 0.55 part, step 1, Sodium Benzoate 0.65 part, two how 0.4 part, phenol, alkyl-thio-phosphate 0.15 part, step 2.
Step 4: add in reactor by all raw material in step 3, the temperature of reaction is between 120-130 DEG C, and the pressure of reaction is 3-4 normal atmosphere.After question response 5-6 hour, stopped reaction, after mixture is reduced to room temperature in band reactor, namely obtains motor vehicle brake fluid of the present invention by the metre filter of 1 μm.
Embodiment 2
The present embodiment provide not only the formula of motor vehicle brake fluid, also embodies the preparation method of motor vehicle brake fluid.
Motor vehicle brake fluid of the present invention is prepared according to the method identical with step 1-4 in embodiment 1, unlike, the starting material prepared in step 3 are: ethylene glycol 35 weight part, glycol ether 5 weight part, glycerol 2 weight part, butyl carbitol 30 weight part, triglyme 50 weight part, pentaerythritol tetrathioglycollate 3 weight part, three monooctyl ester 0.6 weight parts, boric acid salt form rust-preventive agent 5 weight part, Sodium Benzoate 0.6 weight part, two how phenol 0.25 weight part, alkyl-thio-phosphate 0.15 weight part, negatively charged ion hydroxy-silicone-oil emulsion 0.4 weight part.
Embodiment 3
The present embodiment provide not only the formula of motor vehicle brake fluid, also embodies the preparation method of motor vehicle brake fluid.
Motor vehicle brake fluid of the present invention is prepared according to the method identical with step 1-4 in embodiment 1, unlike, the starting material prepared in step 3 are: ethylene glycol 40 weight part, glycol ether 6 weight part, glycerol 2.5 weight part, butyl carbitol 26 weight part, triglyme 35 weight part, pentaerythritol tetrathioglycollate 2.5 weight part, three monooctyl ester 0.65 weight parts, boric acid salt form rust-preventive agent 3.5 weight part, Sodium Benzoate 0.55 weight part, two how phenol 0.3 weight part, alkyl-thio-phosphate 0.15 weight part, negatively charged ion hydroxy-silicone-oil emulsion 0.3 weight part.
Reference examples 1
This reference examples essentially discloses formula of a kind of motor vehicle brake fluid in prior art and preparation method thereof, for carrying out relevant comparative with the performance of the motor vehicle brake fluid in the present invention.
40 weight part ethylene glycol, 45 weight part diethylene glycol ethers, the commercially available irgasfos 168 of 2 weight part, 3 weight part commercial rust inhibitors RT-9417,3 parts by weight epoxy propane and 0.1 parts by weight of carbon black per are placed in reactor, control temperature 100-120 DEG C, reaction pressure 2-3 normal atmosphere, reaction times 3-4 hour, then be cooled to 20-25 DEG C, namely obtain product finally by filtration.
The good fluidity advantage of motor vehicle brake fluid of the present invention resists gas barrier good, low temperature when being mainly its high temperature time, and it is very low to the component corrodibility of automobile, following table carries out correlation test from these three angles, wherein, gas barrier and mobility is represented by temperature, concrete meaning why temperature time motor vehicle brake fluid there is vapour lock, during what temperature, the mobility of motor vehicle brake fluid there will be problem.Corrosive testing method tinsel is put into the braking fluid of embodiment 1 and reference examples 1, and observe the time that tinsel surface produces corrosion phenomenon, the time is longer, proves that its corrodibility is more weak, contrary, then prove that its corrodibility is stronger.
As can be known from the above table, automobile brake liquor ratio prior art of the present invention, low-temperature fluidity resistive in High Temperature Gas and corrodibility there is very large advantage.
Above embodiment is used for illustrative purposes only, but not limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, various conversion or modification can also be made, therefore all equivalent technical schemes also should belong to category of the present invention, should be limited by each claim.
Claims (7)
1. a motor vehicle brake fluid, is characterized in that, described braking fluid comprises following component and weight part content thereof:
2. a kind of motor vehicle brake fluid as claimed in claim 1, is characterized in that, described boric acid salt form rust-preventive agent comprises following component and weight part content thereof:
3. a kind of motor vehicle brake fluid as claimed in claim 2, it is characterized in that, the preparation method of described boric acid salt form rust-preventive agent is as follows: after 30 part by weight of boric acid and 15 weight part ammoniacal liquor mixing post-heating to boiling, add 10 parts by weight of sodium hydroxide, continue heating 10min, after being down to room temperature, adding 3 weight part sodium laurylsulfonates and 3 weight part EDTA, after fully stirring, namely obtaining boric acid salt form rust-preventive agent.
4. a kind of motor vehicle brake fluid as claimed in claim 1, is characterized in that, described negatively charged ion hydroxy-silicone-oil emulsion comprises following component and weight part content thereof:
Anionic emulsifier 5 parts;
Silicone oil 20-30 part;
Deionized water 50-60 part.
5. a kind of motor vehicle brake fluid as claimed in claim 4, it is characterized in that, the preparation method of described negatively charged ion hydroxy-silicone-oil emulsion is as follows: fully mixed by the deionized water of 5 weight part sodium stearate, 22 weight part silicone oil and 52 weight parts 55 DEG C, be placed in shears, rotating speed is 10000 revs/min, and shear time is 3 minutes, mixture after shearing is transferred in paddle agitator, rotating speed is 500 revs/min, is down to room temperature after stirring, i.e. obtained negatively charged ion hydroxy-silicone-oil emulsion.
6. a kind of motor vehicle brake fluid as claimed in claim 1, is characterized in that, described braking fluid comprises following component and weight part content thereof:
7. a kind of motor vehicle brake fluid as claimed in claim 1, is characterized in that, described braking fluid comprises following component and weight part content thereof:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510515247.1A CN105132101B (en) | 2015-08-20 | 2015-08-20 | A kind of motor vehicle brake fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510515247.1A CN105132101B (en) | 2015-08-20 | 2015-08-20 | A kind of motor vehicle brake fluid |
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| Publication Number | Publication Date |
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| CN105132101A true CN105132101A (en) | 2015-12-09 |
| CN105132101B CN105132101B (en) | 2017-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510515247.1A Active CN105132101B (en) | 2015-08-20 | 2015-08-20 | A kind of motor vehicle brake fluid |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106753737A (en) * | 2016-11-29 | 2017-05-31 | 湘潭电机股份有限公司 | A kind of brake fluid and preparation method thereof |
| CN112080332A (en) * | 2020-08-13 | 2020-12-15 | 浙江嘉富力环保科技有限公司 | High-boiling-point high-performance brake fluid composition and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1355279A (en) * | 2000-12-01 | 2002-06-26 | 谭永年 | Braking liquid of car and its preparing process |
| CN1445343A (en) * | 2003-03-24 | 2003-10-01 | 营口三球特种油品有限公司 | Brake fluid for motor vehicles and its production methods |
| CN103930532A (en) * | 2011-11-04 | 2014-07-16 | 极东制研工业(株) | Brake fluid composition comprising tartaric acid and imidazole |
| CN104673447A (en) * | 2013-11-29 | 2015-06-03 | 青岛科润塑料机械有限公司 | Brake fluid composition for vehicles |
-
2015
- 2015-08-20 CN CN201510515247.1A patent/CN105132101B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1355279A (en) * | 2000-12-01 | 2002-06-26 | 谭永年 | Braking liquid of car and its preparing process |
| CN1445343A (en) * | 2003-03-24 | 2003-10-01 | 营口三球特种油品有限公司 | Brake fluid for motor vehicles and its production methods |
| CN103930532A (en) * | 2011-11-04 | 2014-07-16 | 极东制研工业(株) | Brake fluid composition comprising tartaric acid and imidazole |
| CN104673447A (en) * | 2013-11-29 | 2015-06-03 | 青岛科润塑料机械有限公司 | Brake fluid composition for vehicles |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106753737A (en) * | 2016-11-29 | 2017-05-31 | 湘潭电机股份有限公司 | A kind of brake fluid and preparation method thereof |
| CN112080332A (en) * | 2020-08-13 | 2020-12-15 | 浙江嘉富力环保科技有限公司 | High-boiling-point high-performance brake fluid composition and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN105132101B (en) | 2017-10-24 |
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