CN106190055A - A kind of special coolant of electromotor - Google Patents
A kind of special coolant of electromotor Download PDFInfo
- Publication number
- CN106190055A CN106190055A CN201610527090.9A CN201610527090A CN106190055A CN 106190055 A CN106190055 A CN 106190055A CN 201610527090 A CN201610527090 A CN 201610527090A CN 106190055 A CN106190055 A CN 106190055A
- Authority
- CN
- China
- Prior art keywords
- coolant
- minutes
- oleum
- oleum radix
- polycarboxylic acids
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/20—Antifreeze additives therefor, e.g. for radiator liquids
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
Disclosure of the invention a kind of electromotor special coolant, it is made up of following component, ethylene glycol, citric acid, methyl silicate, ethylene glycol salicylate, 1,3 propylene glycol double (4 Aminobenzoate), dodecanedioic acid and ternary polycarboxylic acids mixture, nano imvite, sodium borate, Polyethylene Glycol, Oleum Radix Arnebiae (Oleum Radix Lithospermi), corrosion inhibiter, defoamer, water.Coolant of the present invention, cooling is good, the synergism between other composition is coordinated by adding a certain amount of Oleum Radix Arnebiae (Oleum Radix Lithospermi), improve the texture performance of coolant, further increase the coolant life-span, by adding the nano imvite through pretreatment, it is possible to the composition improving coolant is constituted, improve coolant each side combination property, and the antifreeze effect of coolant of the present invention is good；The present invention can improve corrosion mitigating effect by adding dodecanedioic acid and ternary polycarboxylic acids mixture, topmost is so that the protection of cooling system scolding tin is further strengthened by coolant of the present invention.
Description
Technical field
The present invention relates to coolant technical field, particularly relate to a kind of special coolant of electromotor.
Background technology
Coolant is a kind of complicated multicomponent system, excellent coolant should have heat radiation, anticorrosion, antifreeze, high boiling point,
The functions such as scale-deposit-preventing and prevention foaming.Major part antifreezing agent is eliminated in succession due to a variety of causes, as low in methanol, ethyl alcohol boiling point,
Steam pressure is big and inflammable；Saline mixture easily gets rusty and produces crystalline deposit；Glycerol viscosity is higher, and freeze-proof is poor, with rubber
Incompatible.But the coolant low temperature viscosity of existing electromotor is big, antirust ability difference etc., and the life-span is low, changes frequently,
Use cost is high, and China's available engine coolant lacks the protection to cooling system scolding tin.
Summary of the invention
It is an object of the invention to provide a kind of special coolant of electromotor.
The present invention is achieved through the following technical solutions:
A kind of special coolant of electromotor, is made up of following component, ethylene glycol 138, citric acid 5, positive silicic acid first by weight
Double (the PABA ester) 0.5 of ester 8, ethylene glycol salicylate 5,1,3-propylene glycol, dodecanedioic acid mix with ternary polycarboxylic acids
Compound 8, nano imvite 3, sodium borate 3, Polyethylene Glycol 6, Oleum Radix Arnebiae (Oleum Radix Lithospermi) 0.5, corrosion inhibiter 0.2, defoamer 0.6, water 55；
Described corrosion inhibiter is made up of following component by weight: Colophonium 4, isopropanol 1, hollow Semen Nelumbinis dish 15, Fructus Setariae Germinatus 12, straw
Huang 1, Folium Nelumbinis 8, leaf of tea tree 15, described leaf of tea tree is 2 years or above age, and its preparation method is:
1) standby by pulverizing after hollow Semen Nelumbinis dish, Fructus Setariae Germinatus, Ephedra sinica, Folium Nelumbinis, leaf of tea tree cleaning-drying；
2) it is in 92% alcoholic solution that the plant after pulverizing puts into mass concentration, and mix homogeneously adds in high mixer, with
1200r/min speed stirs 25 minutes, obtains mixture 1；
3) said mixture 1 is placed in ultrasonic extraction tank, the ultrasound wave discontinuity extraction of employing 29kHZ frequency 6-8 time, often
It is spaced 3 minutes between secondary, obtains extracting solution 1；
4) gained extracting solution 1 is carried out recovered alcohol, then add Colophonium and isopropanol, be heated to 87 DEG C, with 150r/min speed
After degree stirring 40 minutes, carry out process of anhydrating, then stand 30 minutes, to obtain final product；
Described defoamer is silicone defoamer；
Described nano imvite is through pretreatment: evenly spread to nano imvite, in deionized water, be then placed in freezing
After room freezes 2 hours, take out, at normal temperatures, naturally thaw, be then heated to 100 DEG C, after being incubated 22 minutes, quickly cool down
To room temperature, filter,；
Described Oleum Radix Arnebiae (Oleum Radix Lithospermi) is made up of following component by weight: Oleum Brassicae campestris 5, soybean oil 4, epoxy resin 1, Radix Arnebiae (Radix Lithospermi) 0.5；Described
Oleum Radix Arnebiae (Oleum Radix Lithospermi) preparation method is: after Oleum Brassicae campestris, soybean oil and epoxy resin being mixed, be heated to 98 DEG C, after being incubated 15 minutes, adds
The Radix Arnebiae (Radix Lithospermi) pulverized, after continuing insulation 30 minutes, removes solid residue,；
Described dodecanedioic acid is pressed 3:2 mass ratio 76 with ternary polycarboxylic acids mixture by dodecanedioic acid and ternary polycarboxylic acids
Mix under DEG C 2.65MPa pressure.
The preparation method of the special coolant of a kind of electromotor, by ethylene glycol, citric acid, methyl silicate, ethylene glycol bigcatkin willow
Acid esters, 1,3-propylene glycol double (PABA ester), dodecanedioic acid and ternary polycarboxylic acids mixture, nano imvite, boron
Acid sodium, Polyethylene Glycol, Oleum Radix Arnebiae (Oleum Radix Lithospermi), corrosion inhibiter, defoamer, water add in mixer by respective weight portion, first stand 10 minutes,
It is then heated to 43 DEG C, stirs 30 minutes with 300r/min rotating speed, after being cooled to 15 DEG C, stand 30 minutes the most again, the most certainly
So recover to room temperature,.
Environmental problem involved in corrosion inhibiter application and development process, in order to meet the need of national economy sustainable development
Want, it is necessary on the basis of the further investigation corrosion inhibiter mechanism of action, new and effective, the environmental friendliness inhibition of low toxicity is developed in synthesis
Agent, the corrosion inhibiter that the present invention configures through substantial amounts of experimentation, green safety is pollution-free, and corrosion inhibiter consumption is low, inhibition effect
The best, overcome the defect that tradition corrosion inhibiter easily deposits, the antioxygen Corrosion Protection that ensure that excellence.The inhibition of present invention configuration
Agent uses Colophonium as carrier, coordinate the synergism of the extract component of isopropanol and other plant component so that coolant
There is antioxygen anti-corrosive properties and the rubber compatibility of excellence, substantially prolongs the service life of coolant.
The present invention can improve present invention preparation further by adding dodecanedioic acid and ternary polycarboxylic acids mixture
The corrosion mitigating effect of corrosion inhibiter, topmost is so that the protection of cooling system scolding tin is added by coolant of the present invention further
By force.
Between additive, existing synergism also refuses anti-effect, and inventive formulation can effectively utilize the association between component
Same-action, by the effective compatibility between reasonable disposition corrosion inhibiter, defoamer and other composition, collaborative anticorrosion, improves its rubber
The compatibility, is greatly prolonged the service life of coolant.The successful development of this coolant, it is possible to efficiently solve energy-conservation corrosion inhibiter cold
But system corrosion problem, and it is prevented from the erosion of rubber parts, effectively protect rubber seal, there is significant economic benefit.
The invention has the beneficial effects as follows, compared with prior art:
Coolant of the present invention, cooling is good, coordinates the synergism between other composition by adding a certain amount of Oleum Radix Arnebiae (Oleum Radix Lithospermi), carries
The high texture performance of coolant, further increases the coolant life-span, covers de-by adding the nanometer through pretreatment
Soil, it is possible to the composition improving coolant is constituted, improves coolant each side combination property, and the antifreeze effect of coolant of the present invention
Good, coolant non-corrosiveness, cooling line will not be polluted, coolant has antioxygen anti-corrosive properties and the rubber compatibility of excellence；This
Invention can improve the slow of the corrosion inhibiter of present invention preparation further by interpolation dodecanedioic acid and ternary polycarboxylic acids mixture
Erosion effect, topmost is so that the protection of cooling system scolding tin is further strengthened by coolant of the present invention.
Detailed description of the invention
A kind of special coolant of electromotor, is made up of following component, ethylene glycol 138, citric acid 5, positive silicon by weight
Double (the PABA ester) 0.5 of acid methyl ester 8, ethylene glycol salicylate 5,1,3-propylene glycol, dodecanedioic acid and the poly-carboxylic of ternary
Acid blend 8, nano imvite 3, sodium borate 3, Polyethylene Glycol 6, Oleum Radix Arnebiae (Oleum Radix Lithospermi) 0.5, corrosion inhibiter 0.2, defoamer 0.6, water 55；
Described corrosion inhibiter is made up of following component by weight: Colophonium 4, isopropanol 1, hollow Semen Nelumbinis dish 15, Fructus Setariae Germinatus 12, straw
Huang 1, Folium Nelumbinis 8, leaf of tea tree 15, described leaf of tea tree is 2 years or above age, and its preparation method is:
1) standby by pulverizing after hollow Semen Nelumbinis dish, Fructus Setariae Germinatus, Ephedra sinica, Folium Nelumbinis, leaf of tea tree cleaning-drying；
2) it is in 92% alcoholic solution that the plant after pulverizing puts into mass concentration, and mix homogeneously adds in high mixer, with
1200r/min speed stirs 25 minutes, obtains mixture 1；
3) said mixture 1 is placed in ultrasonic extraction tank, the ultrasound wave discontinuity extraction of employing 29kHZ frequency 6-8 time, often
It is spaced 3 minutes between secondary, obtains extracting solution 1；
4) gained extracting solution 1 is carried out recovered alcohol, then add Colophonium and isopropanol, be heated to 87 DEG C, with 150r/min speed
After degree stirring 40 minutes, carry out process of anhydrating, then stand 30 minutes, to obtain final product；
Described defoamer is silicone defoamer；
Described nano imvite is through pretreatment: evenly spread to nano imvite, in deionized water, be then placed in freezing
After room freezes 2 hours, take out, at normal temperatures, naturally thaw, be then heated to 100 DEG C, after being incubated 22 minutes, quickly cool down
To room temperature, filter,；
Described Oleum Radix Arnebiae (Oleum Radix Lithospermi) is made up of following component by weight: Oleum Brassicae campestris 5, soybean oil 4, epoxy resin 1, Radix Arnebiae (Radix Lithospermi) 0.5；Described
Oleum Radix Arnebiae (Oleum Radix Lithospermi) preparation method is: after Oleum Brassicae campestris, soybean oil and epoxy resin being mixed, be heated to 98 DEG C, after being incubated 15 minutes, adds
The Radix Arnebiae (Radix Lithospermi) pulverized, after continuing insulation 30 minutes, removes solid residue,；
Described dodecanedioic acid is pressed 3:2 mass ratio 76 with ternary polycarboxylic acids mixture by dodecanedioic acid and ternary polycarboxylic acids
Mix under DEG C 2.65MPa pressure.
The preparation method of the special coolant of a kind of electromotor, by ethylene glycol, citric acid, methyl silicate, ethylene glycol bigcatkin willow
Acid esters, 1,3-propylene glycol double (PABA ester), dodecanedioic acid and ternary polycarboxylic acids mixture, nano imvite, boron
Acid sodium, Polyethylene Glycol, Oleum Radix Arnebiae (Oleum Radix Lithospermi), corrosion inhibiter, defoamer, water add in mixer by respective weight portion, first stand 10 minutes,
It is then heated to 43 DEG C, stirs 30 minutes with 300r/min rotating speed, after being cooled to 15 DEG C, stand 30 minutes the most again, the most certainly
So recover to room temperature,.
The performance indications of coolant of the present invention are:
| Index, unit | Coolant of the present invention | General coolant |
| Freezing point, DEG C | -44 | -12 |
| Boiling point, DEG C | 189 | 120 |
| Shelf-life/year | 6～8 | 1～2 |
| Defoaming, mL/ (10min) | ≤1.3 | ≤4 |
Table 1
As can be seen from Table 1, coolant performance of the present invention is more superior, applied widely.
Experimental Comparison to coolant inhibitor performance:
| Corrosion (88 ± 2 DEG C, 336h) mg/ sheet | Coolant of the present invention | Comparative example 1 | Comparative example 2 | Comparative example 3 |
| T2 red copper | 3.0 | 8.6 | 3.5 | 3.0 |
| H70 pyrite | 0.2 | 12.5 | 0.3 | 0.2 |
| No. 20 steel | 0.2 | 3.1 | 0.4 | 0.2 |
| G3000 cast iron | 0.2 | 3.0 | 0.4 | 0.2 |
| LY12 cast aluminium | 0.1 | 12.9 | 0.3 | 0.1 |
| Scolding tin | 1.8 | 8.6 | 2.4 | 3.4 |
Table 2
Wherein: comparative example 1 be the corrosion inhibiter in present component only with plant extract component, without Colophonium and isopropanol,
Total addition level is constant, the coolant made；
Contrast 2 is without Oleum Radix Arnebiae (Oleum Radix Lithospermi) in present component, other components unchanged, the coolant made；
Comparative example 3 is without the dodecanedioic acid in the present invention and ternary polycarboxylic acids mixture, other components unchanged, makes
Coolant.
As can be seen from Table 2, corrosion inhibiter causes the corrosion mitigating effect pole of coolant of the present invention without Colophonium and isopropanol
Big reduction, Oleum Radix Arnebiae (Oleum Radix Lithospermi) has the effect improving inhibition to corrosion inhibiter of the present invention, without dodecanedioic acid and ternary polycarboxylic acids
Mixture makes coolant reduce the corrosion mitigating effect of scolding tin greatly.
Claims (2)
1. the special coolant of electromotor, it is characterised in that be made up of following component by weight, ethylene glycol 138, Fructus Citri Limoniae
Acid 5, methyl silicate 8, ethylene glycol salicylate 5, double (the PABA ester) 0.5 of 1,3-propylene glycol, dodecanedioic acid with
Ternary polycarboxylic acids mixture 8, nano imvite 3, sodium borate 3, Polyethylene Glycol 6, Oleum Radix Arnebiae (Oleum Radix Lithospermi) 0.5, corrosion inhibiter 0.2, defoamer
0.6, water 55；
Described corrosion inhibiter is made up of following component by weight: Colophonium 4, isopropanol 1, hollow Semen Nelumbinis dish 15, Fructus Setariae Germinatus 12, straw
Huang 1, Folium Nelumbinis 8, leaf of tea tree 15, described leaf of tea tree is 2 years or above age, and its preparation method is:
1) standby by pulverizing after hollow Semen Nelumbinis dish, Fructus Setariae Germinatus, Ephedra sinica, Folium Nelumbinis, leaf of tea tree cleaning-drying；
2) it is in 92% alcoholic solution that the plant after pulverizing puts into mass concentration, and mix homogeneously adds in high mixer, with
1200r/min speed stirs 25 minutes, obtains mixture 1；
3) said mixture 1 is placed in ultrasonic extraction tank, the ultrasound wave discontinuity extraction of employing 29kHZ frequency 6-8 time, often
It is spaced 3 minutes between secondary, obtains extracting solution 1；
4) gained extracting solution 1 is carried out recovered alcohol, then add Colophonium and isopropanol, be heated to 87 DEG C, with 150r/min speed
After degree stirring 40 minutes, carry out process of anhydrating, then stand 30 minutes, to obtain final product；
Described defoamer is silicone defoamer；
Described nano imvite is through pretreatment: evenly spread to nano imvite, in deionized water, be then placed in freezing
After room freezes 2 hours, take out, at normal temperatures, naturally thaw, be then heated to 100 DEG C, after being incubated 22 minutes, quickly cool down
To room temperature, filter,；
Described Oleum Radix Arnebiae (Oleum Radix Lithospermi) is made up of following component by weight: Oleum Brassicae campestris 5, soybean oil 4, epoxy resin 1, Radix Arnebiae (Radix Lithospermi) 0.5；Described
Oleum Radix Arnebiae (Oleum Radix Lithospermi) preparation method is: after Oleum Brassicae campestris, soybean oil and epoxy resin being mixed, be heated to 98 DEG C, after being incubated 15 minutes, adds
The Radix Arnebiae (Radix Lithospermi) pulverized, after continuing insulation 30 minutes, removes solid residue,；
Described dodecanedioic acid is pressed 3:2 mass ratio 76 with ternary polycarboxylic acids mixture by dodecanedioic acid and ternary polycarboxylic acids
Mix under DEG C 2.65MPa pressure.
The preparation method of the special coolant of a kind of electromotor the most according to claim 1, it is characterised in that: by ethylene glycol,
Citric acid, methyl silicate, ethylene glycol salicylate, 1,3-propylene glycol double (PABA ester), dodecanedioic acid and three
Unit's polycarboxylic acids mixture, nano imvite, sodium borate, Polyethylene Glycol, Oleum Radix Arnebiae (Oleum Radix Lithospermi), corrosion inhibiter, defoamer, water are by respective weight portion
Add in mixer, first stand 10 minutes, be then heated to 43 DEG C, stir 30 minutes with 300r/min rotating speed, be cooled to 15
After DEG C, stand 30 minutes the most again, last clear-cutting forestland to room temperature,.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610527090.9A CN106190055A (en) | 2016-07-07 | 2016-07-07 | A kind of special coolant of electromotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610527090.9A CN106190055A (en) | 2016-07-07 | 2016-07-07 | A kind of special coolant of electromotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106190055A true CN106190055A (en) | 2016-12-07 |
Family
ID=57465410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610527090.9A Pending CN106190055A (en) | 2016-07-07 | 2016-07-07 | A kind of special coolant of electromotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106190055A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106634869A (en) * | 2016-12-23 | 2017-05-10 | 庆阳敦博科技发展有限公司 | Automobile anti-freezing fluid and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002097461A (en) * | 2000-07-06 | 2002-04-02 | Fleetguard Inc | Anti-freeze composition for engine |
| CN105419741A (en) * | 2015-11-30 | 2016-03-23 | 蚌埠市华科机电有限责任公司 | Long-service-life multi-protection coolant |
| CN105419740A (en) * | 2015-11-27 | 2016-03-23 | 蚌埠海明压铸机有限公司 | Mixed type engine cooling liquid |
| CN105462567A (en) * | 2015-11-30 | 2016-04-06 | 蚌埠市华科机电有限责任公司 | Anhydrous cooling liquid |
-
2016
- 2016-07-07 CN CN201610527090.9A patent/CN106190055A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002097461A (en) * | 2000-07-06 | 2002-04-02 | Fleetguard Inc | Anti-freeze composition for engine |
| CN105419740A (en) * | 2015-11-27 | 2016-03-23 | 蚌埠海明压铸机有限公司 | Mixed type engine cooling liquid |
| CN105419741A (en) * | 2015-11-30 | 2016-03-23 | 蚌埠市华科机电有限责任公司 | Long-service-life multi-protection coolant |
| CN105462567A (en) * | 2015-11-30 | 2016-04-06 | 蚌埠市华科机电有限责任公司 | Anhydrous cooling liquid |
Non-Patent Citations (1)
| Title |
|---|
| 周建军: "《汽车冷却液》", 31 May 2003, 化学工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106634869A (en) * | 2016-12-23 | 2017-05-10 | 庆阳敦博科技发展有限公司 | Automobile anti-freezing fluid and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106190513A (en) | A kind of cutting coolant | |
| CN105482782A (en) | Pitting-prevention engine liquid coolant | |
| CN104845595B (en) | A kind of automobile engine water-free cooling composition | |
| CN104031615A (en) | Anti-scaling antifreezing fluid and preparation method thereof | |
| CN102851003A (en) | Anti-corrosion anti-freezing liquid | |
| CN104371685A (en) | Paraffin remover and preparation method thereof | |
| CN105419742A (en) | Antifreezing cooling liquid | |
| CN104513649A (en) | Anhydrous cooling liquid for engines and preparation method thereof | |
| CN105255455A (en) | Motor vehicle antifreeze fluid additive with high corrosion inhibition performance and preparation method thereof | |
| CN104673200A (en) | Novel long-acting coolant | |
| CN105419740A (en) | Mixed type engine cooling liquid | |
| CN105419741A (en) | Long-service-life multi-protection coolant | |
| CN104250545B (en) | A kind of glyceryl anti-icing fluid | |
| CN107353881A (en) | A kind of low temperature antirust automotive antifreezing liquid | |
| CN106047310A (en) | Anti-freezing cooling liquid for automobile | |
| CN106350029A (en) | Efficient corrosion-resistant motor vehicle antifreeze fluid and preparation method thereof | |
| CN105482783A (en) | High-life liquid coolant | |
| CN106190055A (en) | A kind of special coolant of electromotor | |
| CN106085380A (en) | A kind of high life durable coolant | |
| CN109837071B (en) | Cooling liquid for wind generating set and preparation method thereof | |
| CN102108290A (en) | Antifreeze fluid containing triethanolamine | |
| CN108570343A (en) | A kind of new work engine coolant liquid and preparation method thereof | |
| CN106010470A (en) | Solar heat-conducting liquid | |
| CN104327804A (en) | Preparation method of high-performance motor vehicle antifreeze fluid | |
| CN106367039A (en) | Vehicle antifreezing solution and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161207 |
|
| RJ01 | Rejection of invention patent application after publication |