CN1730634A - Extreme pressure cutting fuild microemulsion free of chlorine and its preparation method and uses - Google Patents
Extreme pressure cutting fuild microemulsion free of chlorine and its preparation method and uses Download PDFInfo
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- CN1730634A CN1730634A CN 200510036237 CN200510036237A CN1730634A CN 1730634 A CN1730634 A CN 1730634A CN 200510036237 CN200510036237 CN 200510036237 CN 200510036237 A CN200510036237 A CN 200510036237A CN 1730634 A CN1730634 A CN 1730634A
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Abstract
The invention provides a fluoro-free extreme-pressure microemulsion cutting liquid, whose constituents by weight percentage include water 20-40, mixed alkylolamide 6-12, boracic acid 2-6, sulfonates rust-preventing agent 8-12, auxiliary agent 1-5%, anionic surface active agent 8-12, polybasic alcohol 2-6, sulfurized grease 4-10, mineral oil 15-30, benzotrizaole 0.1-0.3. The invention also provides a process for preparing the liquid.
Description
Technical field
The present invention relates to the metal working lubricant technology, particularly a kind of environment-friendly type extreme pressure cutting fuild microemulsion free of chlorine and preparation method thereof and application.
Background technology
The micro emulsion cutting fluid is a kind of of water-base cutting fluid, and performance is between water base synthetic cutting fluid and emulsion, and it basic composition is Dormant oils, water, tensio-active agent, lubricant, rust-preventive agent etc.The emulsified particle of micro emulsion cutting fluid in water is littler than common emulsion, and the aqueous solution is transparent or semitransparent shape.The micro emulsion cutting fluid combines the advantage of the good and synthetic cutting fluid good stability of emulsion lubrication performance, good cooling results, is a kind of superior performance, water-base cutting fluid that use range is wide.But in use also there is following shortcoming in the micro emulsion cutting fluid: the oil extraction poor-performing of (1) micro emulsion cutting fluid, when machine tool leakage of oil or processing work are brought oil into, a lot of micro emulsion cutting fluids with for some time after, just become emulsion, make the micro emulsion cutting fluid lose its superiority, and reduce greatly the work-ing life of cutting fluid; (2) foam is many, add a large amount of defoamers and improve antifoam performance, and high effective antifoaming agent costs an arm and a leg, and storage period is short, and it is fast to lose efficacy, and also will constantly add in the use, has increased product cost; (3) stronger to lathe paint corrodibility, in use, lathe peeling paint phenomenon often takes place.In addition, most of products of selling on the market still contain Sodium Nitrite at present, and extreme pressure cutting fuild microemulsion adopts chloride extreme pressure agent mostly, and these are all unfavorable to environmental protection.
Summary of the invention
The objective of the invention is to overcome the deficiency that existing micro emulsion cutting fluid exists, provide a kind of environment protecting good, can obviously improve defoaming, improve the oil extraction performance, the extreme pressure cutting fuild microemulsion free of chlorine that work-ing life is long.
Another object of the present invention is to provide a kind of method for preparing above-mentioned extreme pressure cutting fuild microemulsion free of chlorine.
A further object of the present invention is to provide the application of above-mentioned extreme pressure cutting fuild microemulsion free of chlorine.
Purpose of the present invention is achieved through the following technical solutions: a kind of extreme pressure cutting fuild microemulsion free of chlorine, form by following component:
Water 20～40
Mix hydramine 6～12
Boric acid 2～6
Sulfonate rust-preventive agent 8～12
Divide oil assistant 1～5
Anion surfactant 8～12
Polyol ester 2～6
Sulfide aliphatic acid fat 4～10
Mineral oil 15～30
Benzotriazole 0.1～0.3
Above-mentioned component by weight.
In order to realize the present invention better, described water comprises tap water, distilled water, deionized water, and water hardness is less demanding in 250ppm from the beginning; Described mixing hydramine comprises diethanolamine, trolamine; Described sulfonate rust-preventive agent is 40～60% petroleum sodium sulfonate, preferred especially 50% petroleum sodium sulfonate; Oil assistant comprised fatty alcohol-polyoxyethylene ether (MOA in described minute
3), require its HLB value (oleophilic hydrophil balance value) to be not more than 6; Described anion surfactant comprises alpha-sulfonated fatty oil soap; Described polyol ester comprises polyvalent alcohol laurate, polyvalent alcohol oleic acid ester; Described sulfide aliphatic acid fat comprises the sulfide aliphatic acid ester of sulfur-bearing 10～17%, the sulfide aliphatic acid ester of preferred sulfur-bearing 15～17%; Described mineral oil comprises that kinematic viscosity (40 ℃) is 10～32mm
2The paraffinic based oil of/s, naphthene base crude oil, preferred movement viscosity (40 ℃) is 10～32mm
2The naphthene base crude oil of/s.
According to the requirement of cutting fluid to the pH value, can adjust the diethanolamine in the described mixing hydramine, the ratio of trolamine, count diethanolamine by weight: trolamine=50～90: 50～10.
Described alpha-sulfonated fatty oil soap comprises sulfonated castor oil soap, sulfonated rape oil soap.
The composition mechanism of this extreme pressure cutting fuild microemulsion free of chlorine is: make rust-preventive agent with boron amide and sulfonate, substitute nitrite and molybdate rust-preventive agent, make product under the prerequisite that does not contain nitrite, cost amplification is little, is easy to promote; Substitute chloride extreme pressure agent with sulfur-containing extreme-pressure additive, make product extreme pressure property, rust-preventing characteristic, the feature of environmental protection that improvement all be arranged; With anion surfactant and polyol ester is the main emulsifying agent of doing, make up by optimization of formulation, make the stable microemulsion cutting fluid, overcome the drawback that traditional micro emulsion cutting fluid uses a large amount of polyethers nonionogenic tensides to be produced, made the defoaming of product and lathe paint corrosive nature is had significantly improvement; Because prescription innovation of the present invention, do not adopt big polyethet surfactant of HLB value and fatty acid soaps composition, reduced the emulsifying capacity of micro emulsion cutting fluid, and the suitable adding auxiliary agent that has the oil extraction performance on a small quantity, product oil extraction performance of the present invention is significantly improved, effectively prolong the work-ing life of micro emulsion cutting fluid, thereby reduced the discharging of waste liquid amount significantly.
A kind of method for preparing above-mentioned extreme pressure cutting fuild microemulsion free of chlorine comprises following operation steps:
1) boric acid, mixing hydramine, water are pressed formula rate and added in the retort, under 10～35 ℃ temperature condition, stirred 30～60 minutes, synthetic boron amide rust-preventive agent.
2) add all the other component sulfonate rust-preventive agent, divide oil assistant, anion surfactant, polyol ester, sulfide aliphatic acid fat, mineral oil and benzotriazole by formula rate again, under 10～35 ℃ temperature condition, stirred 20～30 minutes, and can make extreme pressure cutting fuild microemulsion free of chlorine.
Extreme pressure cutting fuild microemulsion free of chlorine of the present invention can be applicable to the metal cutting manufacture field, plays lubricated, cooling, cleaning, antirust effect.
The quality detecting index of extreme pressure cutting fuild microemulsion free of chlorine product of the present invention is as shown in table 1.
The quality detecting index of table 1 product of the present invention
| Project | Quality index | Test method | ||
| Product appearance | Brown transparent liquid | Range estimation | ||
| Freeze-stable-30 ℃, 12h | Behind cryocoagulation, can recover to become original state naturally in room temperature, not stratified, sediment-free | Make by oneself | ||
| 5% diluent | Outward appearance | Transparent or semitransparent micro emulsion cutting fluid | Range estimation | |
| PH value | 8.5～9.2 | The pH value precision test paper | ||
| Stability ml | Analyse oil | Do not have | SH0365 | |
| Graining | Do not have | |||
| 55 ± 2 ℃ of corrosion tests | Cast iron | One-level | GB/T6144 | |
| Red copper | One-level | |||
| Aluminium | One-level | |||
| 35 ± 2 ℃ of rust prevention tests | The cast iron monolithic | 24h is qualified | GB/T6144 | |
| The cast iron lamination | 8h is qualified | |||
| Defoaming ml/10min | ＜1.0 | GB/T6144 | ||
| Sintering load, P D，N | 1274 | GB/T3142 | ||
| The oil extraction test, % | ＞90 | * |
*: in the graduated cylinder of 100ml, 5% this product diluent+10mlN32 machinery oil of the 90ml that packs into fluctuated 1 minute with holding graduated cylinder, left standstill then 1 hour, measured chromatography oil mass on the solution.
The present invention compared with prior art has following advantage and effect:
1, do not contain materials such as Sodium Nitrite, phenol, chlorine, mercury, compliance with environmental protection requirements.
2, obviously improved the defoaming of micro emulsion cutting fluid,, also can reach the froth breaking requirement of GB/T6144 standard even in the occasion that does not add defoamer; To the express processing of ask for something froth breaking, can meet the demands as long as add a small amount of common low price defoamer.
3, present most of extreme pressure cutting fuild microemulsion all contains the chlorine extreme pressure agent, and the chlorine extreme pressure agent easily decomposes in working angles, produces the corrosive muriate and causes workpiece and lathe to get rusty, and is more obvious when processing cast iron especially.The present invention adopts sulfocompound to substitute chlorine-containing compound, has significantly improved the rust-preventing characteristic of micro emulsion cutting fluid, is particularly suitable for the processing of cast iron.
4, the present invention proposes the oil extraction performance index of micro emulsion cutting fluid first, and obviously improved the oil extraction performance of micro emulsion cutting fluid, significantly prolonged the work-ing life of micro emulsion cutting fluid, the pollution of environment has all been had favorable social and economic benefits reducing metal cutting tooling cost and waste liquid.
Although 5, the present invention performance improves a lot, price still belongs to middle-grade level, has superior cost performance, and good market outlook are arranged.
6, the present invention is applicable to the processing of multiple materials such as cast iron, steel, steel alloy, aluminium, copper, can satisfy multiple complete processing requirements such as car, brill, mill, machining center, possesses the multiduty function of a liquid.
Description of drawings
Fig. 1 is a process flow sheet of the present invention.
Embodiment
Below in conjunction with embodiment and accompanying drawing the present invention is done further concrete description, but embodiments of the present invention are not limited thereto.
Table 2 embodiment of the invention is formed and content (unit: g)
| Sequence number | Component | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| 1 | Water | 35 | 30 | 32 |
| 2 | Mix hydramine | 8 | 10 | 7 |
| 3 | Boric acid | 4 | 5 | 3 |
| 4 | Sulfonate rust-preventive agent | 10 | 8 | 9 |
| 5 | Anion surfactant | 8 | 10 | 9 |
| 6 | Polyol ester | 4 | 6 | 5 |
| 7 | Sulfide aliphatic acid fat | 4 | 6 | 5 |
| 8 | Divide oil assistant | 2 | 3 | 1 |
| 9 | Mineral oil | 24.9 | 21.9 | 28.9 |
| 10 | Benzotriazole | 0.1 | 0.1 | 0.1 |
| Sequence number | Component | Embodiment 4 | Embodiment 5 | Embodiment 6 |
| 1 | Water | 20 | 40 | 38 |
| 2 | Mix hydramine | 12 | 6 | 10 |
| 3 | Boric acid | 2 | 5 | 6 |
| 4 | Sulfonate rust-preventive agent | 12 | 10 | 11 |
| 5 | Anion surfactant | 8 | 12 | 11 |
| 6 | Polyol ester | 2 | 3 | 5 |
| 7 | Sulfide aliphatic acid fat | 8 | 10 | 7 |
| 8 | Divide oil assistant | 5 | 3 | 4 |
| 9 | Mineral oil | 30 | 26 | 15 |
| 10 | Benzotriazole | 0.1 | 0.3 | 0.2 |
Embodiment 1
Prepare extreme pressure cutting fuild microemulsion free of chlorine of the present invention by process flow sheet shown in Figure 1, the steps include:
1) boron amide rust-preventive agent is synthetic
With boric acid 4g, (by weight, diethanolamine: trolamine=90: 10) 8g, tap water (water hardness is not higher than 250ppm from the beginning) 35g add in the retort, and 10 ℃ were stirred 60 minutes, solution is transparent, sediment-free to mix hydramine.
2) in retort, add all the other components by formula rate, sulfonate rust-preventive agent is 50% petroleum sodium sulfonate 10g, anion surfactant sulfonated rape oil soap 8g, polyol ester is polyvalent alcohol laurate 4g, the sulfide aliphatic acid ester 4g of sulfur-bearing 15%, dividing oil assistant is fatty alcohol-polyoxyethylene ether MOA
3(its HLB value is not more than 6) 2g, mineral oil are that kinematic viscosity (40 ℃) is 10mm
2The paraffinic based oil 24.9g of/s, benzotriazole 0.1g, 10 ℃ were stirred 20 minutes, solution is transparent, sediment-free; Promptly make extreme pressure cutting fuild microemulsion free of chlorine.
Embodiment 2
Prepare extreme pressure cutting fuild microemulsion free of chlorine of the present invention by process flow sheet shown in Figure 1, the steps include:
1) boron amide rust-preventive agent is synthetic
With boric acid 5g, (by weight, diethanolamine: trolamine=80: 20) 10g, distilled water 30g add in the retort, and 28 ℃ were stirred 35 minutes, solution is transparent, sediment-free to mix hydramine.
2) in retort, add all the other components by formula rate, sulfonate rust-preventive agent is 40% petroleum sodium sulfonate 8g, anion surfactant sulfonated castor oil soap 10g, polyol ester is polyvalent alcohol oleic acid ester 6g, the sulfide aliphatic acid fat 6g of sulfur-bearing 10%, dividing oil assistant is fatty alcohol-polyoxyethylene ether MOA
3(its HLB value is not more than 6) 3g, mineral oil are that kinematic viscosity (40 ℃) is 32mm
2The naphthene base crude oil 21.9g of/s, benzotriazole 0.1g, 30 ℃ were stirred 22 minutes, solution is transparent, sediment-free; Promptly make extreme pressure cutting fuild microemulsion free of chlorine.
Embodiment 3
Prepare extreme pressure cutting fuild microemulsion free of chlorine of the present invention by process flow sheet shown in Figure 1, the steps include:
1) boron amide rust-preventive agent is synthetic
With boric acid 3g, (by weight, diethanolamine: trolamine=70: 30) 7g, deionized water 32g add in the retort, and 22 ℃ were stirred 45 minutes, solution is transparent, sediment-free to mix hydramine.
2) in retort, add all the other components by formula rate, sulfonate rust-preventive agent is 60% petroleum sodium sulfonate 9g, anion surfactant sulfonated rape oil soap 9g, polyol ester is polyvalent alcohol oleic acid ester 5g, the sulfide aliphatic acid fat 5g of sulfur-bearing 17%, and dividing oil assistant is fatty alcohol-polyoxyethylene ether MOA
3(its HLB value is not more than 6) 1g, mineral oil are that kinematic viscosity (40 ℃) is 20mm
2The naphthene base crude oil 28.9g of/s, benzotriazole 0.1g, 24 ℃ were stirred 28 minutes, solution is transparent, sediment-free; Promptly make extreme pressure cutting fuild microemulsion free of chlorine.
Embodiment 4
Prepare extreme pressure cutting fuild microemulsion free of chlorine of the present invention by process flow sheet shown in Figure 1, the steps include:
1) boron amide rust-preventive agent is synthetic
With boric acid 2g, (by weight, diethanolamine: trolamine=65: 35) 12g, distilled water 20g add in the retort, and 35 ℃ were stirred 50 minutes, solution is transparent, sediment-free to mix hydramine.
2) in retort, add all the other components by formula rate, sulfonate rust-preventive agent is 45% petroleum sodium sulfonate 12g, anion surfactant sulfonated castor oil soap 8g, polyol ester is polyvalent alcohol laurate 2g, the sulfide aliphatic acid fat 8g of sulfur-bearing 12%, dividing oil assistant is fatty alcohol-polyoxyethylene ether MOA
3(its HLB value is not more than 6) 5g, mineral oil are that kinematic viscosity (40 ℃) is 30mm
2The naphthene base crude oil 30g of/s, benzotriazole 0.1g, 35 ℃ were stirred 25 minutes, solution is transparent, sediment-free; Promptly make extreme pressure cutting fuild microemulsion free of chlorine.
Embodiment 5
Prepare extreme pressure cutting fuild microemulsion free of chlorine of the present invention by process flow sheet shown in Figure 1, the steps include:
1) boron amide rust-preventive agent is synthetic
With boric acid 5g, (by weight, diethanolamine: trolamine=75: 25) 6g, tap water (water hardness is not higher than 250ppm from the beginning) 40g add in the retort, and 20 ℃ were stirred 30 minutes, solution is transparent, sediment-free to mix hydramine.
2) in retort, add all the other components by formula rate, sulfonate rust-preventive agent is 55% petroleum sodium sulfonate 10g, anion surfactant sulfonated castor oil soap 12g, polyol ester is polyvalent alcohol oleic acid ester 3g, the sulfide aliphatic acid fat 10g of sulfur-bearing 16%, dividing oil assistant is fatty alcohol-polyoxyethylene ether MOA
3(its HLB value is not more than 6) 3g, mineral oil are that kinematic viscosity (40 ℃) is 18mm
2The paraffinic based oil 26g of/s, benzotriazole 0.3g, 20 ℃ were stirred 30 minutes, solution is transparent, sediment-free; Promptly make extreme pressure cutting fuild microemulsion free of chlorine.
Embodiment 6
Prepare extreme pressure cutting fuild microemulsion free of chlorine of the present invention by process flow sheet shown in Figure 1, the steps include:
1) boron amide rust-preventive agent is synthetic
With boric acid 6g, (by weight, diethanolamine: trolamine=90: 10) 10g, deionized water 38g add in the retort, and 16 ℃ were stirred 55 minutes, solution is transparent, sediment-free to mix hydramine.
2) in retort, add all the other components by formula rate, sulfonate rust-preventive agent is 50% petroleum sodium sulfonate 11g, anion surfactant sulfonated rape oil soap 11g, polyol ester is polyvalent alcohol laurate 5g, the sulfide aliphatic acid fat 7g of sulfur-bearing 14%, dividing oil assistant is fatty alcohol-polyoxyethylene ether MOA
3(its HLB value is not more than 6) 4g, mineral oil are that kinematic viscosity (40 ℃) is 25mm
2The naphthene base crude oil 15g of/s, benzotriazole 0.2g, 18 ℃ were stirred 20 minutes, solution is transparent, sediment-free; Promptly make extreme pressure cutting fuild microemulsion free of chlorine.
Table 3 embodiment of the invention quality product detects index
| Project | Quality index | Test method | |||||
| Embodiment 1 | Embodiment 2 | Embodiment 3 | |||||
| Product appearance | Brown transparent liquid | Brown transparent liquid | Brown transparent liquid | Range estimation | |||
| Freeze-stable-30 ℃, 12h | Behind cryocoagulation, can recover to become original state naturally in room temperature, not stratified, sediment-free | Make by oneself | |||||
| 5% dilution | Outward appearance | Transparent or semitransparent micro emulsion cutting fluid | Transparent or semitransparent micro emulsion cutting fluid | Transparent or semitransparent micro emulsion cutting fluid | Range estimation | ||
| PH value | 9 | 9 | 9 | The pH value precision test paper | |||
| Stability ml | Analyse oil | Do not have | Do not have | Do not have | SH0365 | ||
| Graining | Do not have | Do not have | Do not have | ||||
| Liquid | 55 ± 2 ℃ of corrosion tests | Cast iron | One-level | One-level | One-level | GB/T6144 |
| Red copper | One-level | One-level | One-level | |||
| Aluminium | One-level | One-level | One-level | |||
| 35 ± 2 ℃ of rust prevention tests | The cast iron monolithic | 24h is qualified | 24h is qualified | 24h is qualified | GB/T6 144 | |
| The cast iron lamination | 8h is qualified | 8h is qualified | 8h is qualified | |||
| Defoaming ml/10min | ＜1.0 | ＜1.0 | ＜1.0 | GB/T6144 | ||
| Sintering load, P D， N | 1274 | 1470 | 1274 | GB/T3142 | ||
| The oil extraction test, % | ＞90 | ＞90 | ＞90 | * | ||
*: in the graduated cylinder of 100ml, the diluent of 5% extreme pressure cutting fuild microemulsion free of chlorine of the 90ml that packs into+10mlN32 machinery oil fluctuated 1 minute with holding graduated cylinder, left standstill then 1 hour, measured chromatography oil mass on the solution.
Claims (9)
1, a kind of extreme pressure cutting fuild microemulsion free of chlorine is characterized in that being made up of following component:
Water 20～40
Mix hydramine 6～12
Boric acid 2～6
Sulfonate rust-preventive agent 8～12
Divide oil assistant 1～5
Anion surfactant 8～12
Polyol ester 2～6
Sulfide aliphatic acid fat 4～10
Mineral oil 15～30
Benzotriazole 0.1～0.3
Above-mentioned component by weight.
2, a kind of extreme pressure cutting fuild microemulsion free of chlorine according to claim 1 is characterized in that: described water is tap water, distilled water or deionized water; Described mixing hydramine comprises diethanolamine, trolamine; Described sulfonate rust-preventive agent is 40～60% petroleum sodium sulfonate; Described minute oil assistant is fatty alcohol-polyoxyethylene ether; Described anion surfactant is an alpha-sulfonated fatty oil soap; Described polyol ester is polyvalent alcohol laurate, polyvalent alcohol oleic acid ester; Described sulfide aliphatic acid fat is the sulfide aliphatic acid ester of sulfur-bearing 10～17%; Described mineral oil is that kinematic viscosity is 10～32mm
2The paraffinic based oil of/s, naphthene base crude oil.
3, a kind of extreme pressure cutting fuild microemulsion free of chlorine according to claim 2 is characterized in that: the diethanolamine in the described mixing hydramine, the ratio of trolamine are counted diethanolamine by weight: trolamine=50～90: 50～10.
4, a kind of extreme pressure cutting fuild microemulsion free of chlorine according to claim 2 is characterized in that, described sulfonate rust-preventive agent is 50% petroleum sodium sulfonate.
5, a kind of extreme pressure cutting fuild microemulsion free of chlorine according to claim 2 is characterized in that, described alpha-sulfonated fatty oil soap comprises sulfonated castor oil soap, sulfonated rape oil soap.
6, a kind of extreme pressure cutting fuild microemulsion free of chlorine according to claim 2 is characterized in that, described sulfide aliphatic acid fat is the sulfide aliphatic acid ester of sulfur-bearing 15～17%.
7, a kind of extreme pressure cutting fuild microemulsion free of chlorine according to claim 2 is characterized in that, described mineral oil is that kinematic viscosity is 20～30mm
2The naphthene base crude oil of/s.
8,, it is characterized in that comprising the steps: according to the preparation method of the described a kind of extreme pressure cutting fuild microemulsion free of chlorine of claim 1～7
1) boric acid, mixing hydramine, water are pressed formula rate and added in the retort, under 10～35 ℃ temperature condition, stirred 30～60 minutes, synthetic boron amide rust-preventive agent;
2) add all the other component sulfonate rust-preventive agent, divide oil assistant, anion surfactant, polyol ester, sulfide aliphatic acid fat, mineral oil and benzotriazole by formula rate again, under 10～35 ℃ temperature condition, stirred 20～30 minutes, and can make extreme pressure cutting fuild microemulsion free of chlorine.
9, according to the application of the described a kind of extreme pressure cutting fuild microemulsion free of chlorine of claim 1～7 in metal cutting processing.
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