CN105647633A - Diester-type semisynthetic cutting fluid with high lubrication and high hard water resistance and preparation method thereof - Google Patents
Diester-type semisynthetic cutting fluid with high lubrication and high hard water resistance and preparation method thereof Download PDFInfo
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- CN105647633A CN105647633A CN201510994682.7A CN201510994682A CN105647633A CN 105647633 A CN105647633 A CN 105647633A CN 201510994682 A CN201510994682 A CN 201510994682A CN 105647633 A CN105647633 A CN 105647633A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M173/00—Lubricating compositions containing more than 10% water
- C10M173/02—Lubricating compositions containing more than 10% water not containing mineral or fatty oils
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/12—Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/16—Antiseptic; (micro) biocidal or bactericidal
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/18—Anti-foaming property
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/20—Metal working
- C10N2040/22—Metal working with essential removal of material, e.g. cutting, grinding or drilling
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Lubricants (AREA)
Abstract
The invention discloses a diester-type semisynthetic cutting fluid with high lubrication and high hard water resistance. The cutting fluid comprises, by weight, 30-40% of synthetic ester, 3%-5% of a surface active agent, 12%-20% of an antirust, 2%-5% of a solubilizer, 1%-5% of a corrosion inhibitor, 0.2%-0.5% of an aluminum corrosion inhibitor, 0.5%-1% of a defoaming agent, 2%-5% of a bactericidal agent and the balance of water. The invention also provides a preparation method of the semisynthetic cutting fluid. The method is as below: adding the surface active agent, antirust agent, corrosion inhibitor, solubilizer, aluminum corrosion inhibitor, defoaming agent, bactericidal agent and water in the synthetic diester in order, and mixing evenly to obtain the diester-type semisynthetic cutting fluid with high lubrication and high hard water resistance. The diester-type semisynthetic cutting fluid with high lubrication and high hard water resistance has superior performances in lubrication, hard water resistance, aluminum corrosion inhibition, corrosion resistance, rust proof and defoaming.
Description
Technical field
The invention belongs to chemical field, it relates to a kind of cutting fluid, specifically a kind of high lubrication semi-synthetic cutting fluid of the high diester-type of resistance to hard water and its preparation method.
Background technology
Semi-synthetic cutting fluid is trend and the trend of current metal working fluid development, its relative merits are between emulsion and complete synthesis liquid, and it itself has good cooling, cleaning and rust-preventing characteristic, shortcoming is that oilness is not so good as emulsion, and stability in hard water is not as complete synthesis liquid.
At present, domestic and international large-scale machinery, automobile, the shortcoming of the semi-synthetic cutting fluid used in the manufacturings such as bearing is completely exposed, and one is that oilness is not enough, can not be used for boring, the heavy loading manufacture technics such as broaching; Two is that stability in hard water is not good, can not be used for the water quality requirement in some high hardness areas. Seriously constrain the development of semi-synthetic cutting fluid.
Summary of the invention
For above-mentioned technical problem of the prior art, the present invention provides a kind of high lubrication semi-synthetic cutting fluid of the high diester-type of resistance to hard water and its preparation method, and the semi-synthetic cutting fluid of the high diester-type of resistance to hard water of the high lubrication of described this kind and its preparation method solve the technical problem of semi-synthetic cutting fluid lubrication of the prior art and stability in hard water deficiency.
The present invention provides a kind of high lubrication semi-synthetic cutting fluid of the high diester-type of resistance to hard water, and each feed composition counts by weight percentage, and its composition and content are as follows:
Synthetic ester 35%-40%;
Tensio-active agent 3%-5%;
Rust-preventive agent 12%-20%;
Solubilizing agent 2%-5%;
Corrosion inhibiting and descaling agent 1%-5%;
Aluminium inhibiter 0.2%-0.5%;
Defoamer 0.5%-1%;
Sterilant 2%-5%;
Water surplus;
Wherein said synthetic ester is the mixture of any two or more composition in trimethylolpropane fatty acid ester, pentaerythritol fatty ester, fatty acid diester or trimellitate; Described tensio-active agent be fatty alcohol-polyoxyethylene ether, fatty alcohol alkoxy compound, succinic acid derivative, certain herbaceous plants with big flowers acid or sad;Described rust-preventive agent is the mixture of any one or the two or more composition in boric acid, naphthenic acid, monoethanolamine, diethanolamine or trolamine; Described solubilizing agent is glycerol, different structure stearyl alcohol or different structure hexadecanol; Described corrosion inhibiting and descaling agent is fatty acid amide, fatty diglycollic amide or acid amides caproic acid cyclohexylamine salt; Described aluminium inhibiter is phosphoric acid ester, 2-amino-2 methyl isophthalic acid propyl alcohol or 3-amino-4-octanol; Described defoamer is polyethers or silicone emulsion; Described sterilant is pyridine copper sulfate, methylisothiazolinone or methylol thanomin.
Further, each feed composition counts by weight percentage, and its composition and content are as follows:
Synthetic ester 40%;
Tensio-active agent 3%;
Rust-preventive agent 12%;
Solubilizing agent 2%;
Corrosion inhibiting and descaling agent 1%;
Aluminium inhibiter 0.2%;
Defoamer 0.5%;
Sterilant 2%;
Water surplus;
Described synthetic ester is made up of tricarboxymethyl propane oleate and trimellitate; Described tensio-active agent is fatty alcohol-polyoxyethylene ether or certain herbaceous plants with big flowers acid; Described rust-preventive agent is boric acid or trolamine; Described solubilizing agent is glycerol; Described corrosion inhibiting and descaling agent is fatty acid amide; Described aluminium inhibiter is phosphoric acid ester; Described defoamer is polyethers; Described sterilant is pyridine copper sulfate.
Further, each feed composition counts by weight percentage, and its composition and content are as follows:
Synthetic ester 35%;
Tensio-active agent 5%;
Rust-preventive agent 20%;
Solubilizing agent 5%;
Corrosion inhibiting and descaling agent 5%;
Aluminium inhibiter 0.5%;
Defoamer 1%;
Sterilant 5%;
Water surplus;
Described synthetic ester is made up of pentaerythritol fatty ester and fatty acid diester; Described tensio-active agent is Vinyl Ether succinic acid derivative or sad; Described rust-preventive agent is naphthenic acid, monoethanolamine or diethanolamine; Described solubilizing agent is different structure stearyl alcohol; Described corrosion inhibiting and descaling agent is fatty diglycollic amide; Described aluminium inhibiter is 2-amino-2 methyl isophthalic acid propyl alcohol; Described defoamer is silicone emulsion; Described sterilant is methylisothiazolinone.
Further, each feed composition counts by weight percentage, and its composition and content are as follows:
Synthetic ester 37%;
Tensio-active agent 4%;
Rust-preventive agent 16%;
Solubilizing agent 4%;
Corrosion inhibiting and descaling agent 4%;
Aluminium inhibiter 0.3%;
Defoamer 0.7%;
Sterilant 4%;
Water surplus;
Described synthetic ester is made up of trimethylolpropane fatty acid ester and fatty acid diester; Described tensio-active agent is fatty alcohol alkoxy compound or certain herbaceous plants with big flowers acid; Described rust-preventive agent is naphthenic acid, monoethanolamine or trolamine; Described solubilizing agent is different structure hexadecanol; Described corrosion inhibiting and descaling agent is acid amides caproic acid cyclohexylamine salt; Described aluminium inhibiter is 3-amino-4-octanol; Described defoamer is polyethers; Described sterilant is methylol thanomin.
Present invention also offers the preparation method of the above-mentioned a kind of high lubrication semi-synthetic cutting fluid of the high diester-type of resistance to hard water, synthetic ester, tensio-active agent, rust-preventive agent, solubilizing agent, corrosion inhibiting and descaling agent, aluminium inhibiter, defoamer, sterilant and water is taken according to mass percent, in synthetic ester, after adding tensio-active agent, rust-preventive agent, solubilizing agent, corrosion inhibiting and descaling agent, aluminium inhibiter, defoamer, sterilant and water successively, it is uniformly mixed, obtains the high lubrication semi-synthetic cutting fluid of the high diester-type of resistance to hard water.
The present invention is due to by the base oil system of two synthetic ester so that semi-synthetic cutting fluid has good extreme boundary lubrication, is therefore applicable to the operating mode processing request of various complexity. In addition, itself and rust-preventive agent, corrosion inhibiting and descaling agent is composite can be applicable to steel, cast iron, and the various material processing such as aluminium alloy, its tensio-active agent and solubilizing agent ensure that semi-synthetic liquid has excellent stability in hard water, overcome the common fault of the resistance to hard water deficiency of traditional semi-synthetic liquid. Therefore the high lubrication semi-synthetic cutting fluid of the high diester-type of resistance to hard water of final gained has very strong versatility.
Meanwhile, the synthetic ester of the present invention composite, due to himself high viscosity index (HVI) and pyrolytic decomposition temperature so that it forms one layer of strong oil film thickness at workpiece and tool interface. Not only effectively reduce cutter temperature and cut resistance, ensure that lubricating requirement under severe conditions, so being generally applicable to the metal material processing of various complexity.
The present invention is owing to the addition of tensio-active agent fatty alcohol-polyoxyethylene ether, fatty alcohol alkoxy compound, succinic acid derivative, and certain herbaceous plants with big flowers is sour, sad; With solubilizing agent glycerol, different structure stearyl alcohol, different structure hexadecanol, the emulsified particle state of semi-synthetic liquid when ensure that high hardness, avoid calcium ions and magnesium ions too much in hard water and system component reaction and cause analysis soap and layering demulsifying phenomenon.
In addition, a kind of high lubrication semi-synthetic cutting fluid of the high diester-type of resistance to hard water of the present invention, owing to the addition of rust-preventive agent boric acid, naphthenic acid, hydramine and defoamer polyethers, sterilant pyridine copper sulfate etc., so in rust-preventing characteristic, defoaming, the aspects such as resistance to bacterium property also all have high-performance.
The present invention compares with prior art, and its technical progress is significant. A kind of high lubrication semi-synthetic cutting fluid of the high diester-type of resistance to hard water of the present invention also all has high-performance in oilness, stability in hard water, aluminium corrosion inhibition, preservative property, rust-preventing characteristic, defoaming etc.
Embodiment
Below by specific embodiment, the present invention is set forth further, but do not limit the present invention.
Synthetic ester: trimethylolpropane fatty acid ester, pentaerythritol fatty ester, fatty acid diester, trimellitate is produced for reflecting safe trade (Shanghai) company limited; Tensio-active agent: fatty alcohol-polyoxyethylene ether, fatty alcohol alkoxy compound, succinic acid derivative, certain herbaceous plants with big flowers acid, sad is that Sha Suosheng (China) Chemical Co., Ltd. produces; Rust-preventive agent: boric acid, naphthenic acid, monoethanolamine, diethanolamine and trolamine are that Shanghai Zhen Wei Chemical Co., Ltd. produces; Solubilizing agent: glycerol, different structure stearyl alcohol, different structure hexadecanol is that Si Min oil product Chemical Co., Ltd. produces; Corrosion inhibiting and descaling agent: fatty acid amide, fatty diglycollic amide, acid amides caproic acid cyclohexylamine salt are that BASF Chemical Co., Ltd. produces; Aluminium inhibiter: phosphoric acid ester, 2-amino-2 methyl isophthalic acid propyl alcohol, 3-amino-4-octanol is that DOW Chemical company produces; Defoamer: polyethers and silicone emulsion are that Shanghai Hong Ze Chemical Co., Ltd. produces; Sterilant: pyridine copper sulfate, methylisothiazolinone or methylol thanomin are that Shanghai Zhen Wei Chemical Co., Ltd. produces.
Embodiment 1
A kind of high lubrication semi-synthetic cutting fluid of the high diester-type of resistance to hard water, wherein each feed composition counts by weight percentage, and its composition and content are as follows:
Synthetic ester 40%;
Tensio-active agent 3%;
Rust-preventive agent 12%;
Solubilizing agent 2%;
Corrosion inhibiting and descaling agent 1%;
Aluminium inhibiter 0.2%;
Defoamer 0.5%;
Sterilant 2%;
Water surplus;
Described synthetic ester is made up of tricarboxymethyl propane oleate and trimellitate; Described tensio-active agent is fatty alcohol-polyoxyethylene ether or certain herbaceous plants with big flowers acid; Described rust-preventive agent is boric acid or trolamine; Described solubilizing agent is glycerol; Described corrosion inhibiting and descaling agent is fatty acid amide; Described aluminium inhibiter is phosphoric acid ester; Described defoamer is polyethers; Described sterilant is pyridine copper sulfate.
The above-mentioned a kind of high lubrication high diester-type of resistance to hard water semi-synthetic cutting fluid preparation method is as follows:
Each reactive material is taken according to weight percent, in two synthetic ester, after adding tensio-active agent, rust-preventive agent, solubilizing agent, corrosion inhibiting and descaling agent, aluminium inhibiter, defoamer, sterilant and water successively, it is uniformly mixed, obtains the high lubrication semi-synthetic cutting fluid of the high diester-type of resistance to hard water.
Embodiment 2
A kind of high lubrication semi-synthetic cutting fluid of the high diester-type of resistance to hard water, wherein each feed composition counts by weight percentage, and its composition and content are as follows:
Synthetic ester 35%;
Tensio-active agent 5%;
Rust-preventive agent 20%;
Solubilizing agent 5%;
Corrosion inhibiting and descaling agent 5%;
Aluminium inhibiter 0.5%;
Defoamer 1%;
Sterilant 5%;
Water surplus;
Described synthetic ester is made up of pentaerythritol fatty ester and fatty acid diester; Described tensio-active agent is Vinyl Ether succinic acid derivative or sad; Described rust-preventive agent is naphthenic acid, monoethanolamine or diethanolamine; Described solubilizing agent is different structure stearyl alcohol; Described corrosion inhibiting and descaling agent is fatty diglycollic amide; Described aluminium inhibiter is 2-amino-2 methyl isophthalic acid propyl alcohol; Described defoamer is silicone emulsion; Described sterilant is methylisothiazolinone.
The above-mentioned a kind of high lubrication high diester-type of resistance to hard water semi-synthetic cutting fluid preparation method is as follows:
Each reactive material is taken according to weight percent, in two synthetic ester, after adding tensio-active agent, rust-preventive agent, solubilizing agent, corrosion inhibiting and descaling agent, aluminium inhibiter, defoamer, sterilant and water successively, it is uniformly mixed, obtains the high lubrication semi-synthetic cutting fluid of the high diester-type of resistance to hard water.
Embodiment 3
A kind of high lubrication semi-synthetic cutting fluid of the high diester-type of resistance to hard water, wherein each feed composition counts by weight percentage, and its composition and content are as follows:
Synthetic ester 37%;
Tensio-active agent 4%;
Rust-preventive agent 16%;
Solubilizing agent 4%;
Corrosion inhibiting and descaling agent 4%;
Aluminium inhibiter 0.3%;
Defoamer 0.7%;
Sterilant 4%;
Water surplus;
Described synthetic ester is made up of trimethylolpropane fatty acid ester and fatty acid diester; Described tensio-active agent is fatty alcohol alkoxy compound, certain herbaceous plants with big flowers acid; Described rust-preventive agent is naphthenic acid, monoethanolamine, trolamine; Described solubilizing agent is different structure hexadecanol; Described corrosion inhibiting and descaling agent is acid amides caproic acid cyclohexylamine salt; Described aluminium inhibiter is 3-amino-4-octanol; Described defoamer is polyethers; Described sterilant is methylol thanomin.
Each reactive material is taken according to weight percent, in two synthetic ester, after adding tensio-active agent, rust-preventive agent, solubilizing agent, corrosion inhibiting and descaling agent, aluminium inhibiter, defoamer, sterilant and water successively, it is uniformly mixed, obtains the high lubrication semi-synthetic cutting fluid of the high diester-type of resistance to hard water.
The basic explanation that foregoing is only under present inventive concept, and according to any equivalent transformation that the technical scheme of the present invention is done, protection scope of the present invention all should be belonged to.
Claims (5)
1. the high lubrication semi-synthetic cutting fluid of the high diester-type of resistance to hard water, it is characterised in that: each feed composition counts by weight percentage, and its composition and content are as follows:
Synthetic ester 35%-40%;
Tensio-active agent 3%-5%;
Rust-preventive agent 12%-20%;
Solubilizing agent 2%-5%;
Corrosion inhibiting and descaling agent 1%-5%;
Aluminium inhibiter 0.2%-0.5%;
Defoamer 0.5%-1%;
Sterilant 2%-5%;
Water surplus;
Wherein said synthetic ester is the mixture of any two or more composition in trimethylolpropane fatty acid ester, pentaerythritol fatty ester, fatty acid diester or trimellitate; Described tensio-active agent be fatty alcohol-polyoxyethylene ether, fatty alcohol alkoxy compound, succinic acid derivative, certain herbaceous plants with big flowers acid or sad; Described rust-preventive agent is the mixture of any one or the two or more composition in boric acid, naphthenic acid, monoethanolamine, diethanolamine or trolamine; Described solubilizing agent is glycerol, different structure stearyl alcohol or different structure hexadecanol; Described corrosion inhibiting and descaling agent is fatty acid amide, fatty diglycollic amide or acid amides caproic acid cyclohexylamine salt; Described aluminium inhibiter is phosphoric acid ester, 2-amino-2 methyl isophthalic acid propyl alcohol or 3-amino-4-octanol; Described defoamer is polyethers or silicone emulsion; Described sterilant is pyridine copper sulfate, methylisothiazolinone or methylol thanomin.
2. a kind of high lubrication semi-synthetic cutting fluid of the high diester-type of resistance to hard water as claimed in claim 1, it is characterised in that: each feed composition counts by weight percentage, and its composition and content are as follows:
Synthetic ester 40%;
Tensio-active agent 3%;
Rust-preventive agent 12%;
Solubilizing agent 2%;
Corrosion inhibiting and descaling agent 1%;
Aluminium inhibiter 0.2%;
Defoamer 0.5%;
Sterilant 2%;
Water surplus;
Described synthetic ester is made up of tricarboxymethyl propane oleate and trimellitate; Described tensio-active agent is fatty alcohol-polyoxyethylene ether or certain herbaceous plants with big flowers acid; Described rust-preventive agent is boric acid or trolamine; Described solubilizing agent is glycerol; Described corrosion inhibiting and descaling agent is fatty acid amide; Described aluminium inhibiter is phosphoric acid ester; Described defoamer is polyethers; Described sterilant is pyridine copper sulfate.
3. a kind of high lubrication semi-synthetic cutting fluid of the high diester-type of resistance to hard water as claimed in claim 1, it is characterised in that: each feed composition counts by weight percentage, and its composition and content are as follows:
Synthetic ester 35%;
Tensio-active agent 5%;
Rust-preventive agent 20%;
Solubilizing agent 5%;
Corrosion inhibiting and descaling agent 5%;
Aluminium inhibiter 0.5%;
Defoamer 1%;
Sterilant 5%;
Water surplus;
Described synthetic ester is made up of pentaerythritol fatty ester and fatty acid diester; Described tensio-active agent is Vinyl Ether succinic acid derivative or sad; Described rust-preventive agent is naphthenic acid, monoethanolamine or diethanolamine; Described solubilizing agent is different structure stearyl alcohol; Described corrosion inhibiting and descaling agent is fatty diglycollic amide; Described aluminium inhibiter is 2-amino-2 methyl isophthalic acid propyl alcohol; Described defoamer is silicone emulsion; Described sterilant is methylisothiazolinone.
4. a kind of high lubrication semi-synthetic cutting fluid of the high diester-type of resistance to hard water as claimed in claim 1, it is characterised in that: each feed composition counts by weight percentage, and its composition and content are as follows:
Synthetic ester 37%;
Tensio-active agent 4%;
Rust-preventive agent 16%;
Solubilizing agent 4%;
Corrosion inhibiting and descaling agent 4%;
Aluminium inhibiter 0.3%;
Defoamer 0.7%;
Sterilant 4%;
Water surplus;
Described synthetic ester is made up of trimethylolpropane fatty acid ester and fatty acid diester; Described tensio-active agent is fatty alcohol alkoxy compound or certain herbaceous plants with big flowers acid; Described rust-preventive agent is naphthenic acid, monoethanolamine or trolamine; Described solubilizing agent is different structure hexadecanol; Described corrosion inhibiting and descaling agent is acid amides caproic acid cyclohexylamine salt; Described aluminium inhibiter is 3-amino-4-octanol; Described defoamer is polyethers; Described sterilant is methylol thanomin.
5. the preparation method of the arbitrary described a kind of high lubrication semi-synthetic cutting fluid of the high diester-type of resistance to hard water of claim 1-4, it is characterized in that: take synthetic ester, tensio-active agent, rust-preventive agent, solubilizing agent, corrosion inhibiting and descaling agent, aluminium inhibiter, defoamer, sterilant and water according to mass percent, in synthetic ester, after adding tensio-active agent, rust-preventive agent, solubilizing agent, corrosion inhibiting and descaling agent, aluminium inhibiter, defoamer, sterilant and water successively, it is uniformly mixed, obtains the high lubrication semi-synthetic cutting fluid of the high diester-type of resistance to hard water.
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| CN201510994682.7A CN105647633A (en) | 2015-12-28 | 2015-12-28 | Diester-type semisynthetic cutting fluid with high lubrication and high hard water resistance and preparation method thereof |
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| CN201510994682.7A CN105647633A (en) | 2015-12-28 | 2015-12-28 | Diester-type semisynthetic cutting fluid with high lubrication and high hard water resistance and preparation method thereof |
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| CN106147967A (en) * | 2016-07-14 | 2016-11-23 | 天津市澳路浦润滑科技股份有限公司 | Hard water resistant water-soluble cutting solution |
| CN106635356A (en) * | 2016-12-23 | 2017-05-10 | 上海森帝润滑技术有限公司 | Semisynthetic cutting fluid adopting type-II hydrogenated base oil |
| CN114437859A (en) * | 2021-10-29 | 2022-05-06 | 南京科润工业介质股份有限公司 | Long-acting corrosion-inhibition aluminum alloy cutting fluid |
| CN115926874A (en) * | 2022-12-30 | 2023-04-07 | 广东红日星实业有限公司 | Cutting fluid without phosphorus and chlorine and preparation method and application thereof |
| CN117265699A (en) * | 2023-10-24 | 2023-12-22 | 宁夏同泰科技有限公司 | Spandex spinning oil |
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| WO2023071898A1 (en) * | 2021-10-29 | 2023-05-04 | 南京科润工业介质股份有限公司 | Long-acting corrosion-inhibition aluminum alloy cutting fluid |
| CN115926874A (en) * | 2022-12-30 | 2023-04-07 | 广东红日星实业有限公司 | Cutting fluid without phosphorus and chlorine and preparation method and application thereof |
| CN117265699A (en) * | 2023-10-24 | 2023-12-22 | 宁夏同泰科技有限公司 | Spandex spinning oil |
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Application publication date: 20160608 |