CN-117821147-B - Groove edge regulator of vegetable oil-based cutting fluid and preparation method thereof

CN117821147BCN 117821147 BCN117821147 BCN 117821147BCN-117821147-B

Abstract

The invention discloses a groove side regulator of a plant oil-based cutting fluid and a preparation method thereof, wherein the groove side regulator comprises, by weight, 35% -40% of an antirust emulsifier, 25% of an alcohol ether solvent, 25% of mixed ether carboxylic acid, 2% of an antibacterial agent and the balance of water, and the antirust emulsifier is formed by mixing and reacting cyclohexyldiethanolamine, diglycolamine and cyclopropyleoleic acid at a molar ratio of 4-5:1:3 at a high temperature. The groove edge regulator is added into the plant oil-based cutting liquid groove liquid which is sticky, has obvious improvement effects on the high-temperature stability of the liquid groove and the rust resistance of cast iron filings, and does not influence the corrosion inhibition performance of aluminum alloy.

Inventors

Huang guodu
LU SHIZHONG
LIAO YUNHUA
ZHAO KAILI
NIE XIAOLIN

Assignees

南京科润工业介质股份有限公司
南京科润新材料技术有限公司
南京科润工业技术有限公司

Dates

Publication Date: 20260505
Application Date: 20231228

Claims (5)

1. The groove edge regulator of the vegetable oil-based cutting fluid is characterized by comprising, by weight, 35% -40% of an antirust emulsifier, 25% of an alcohol ether solvent, 25% of mixed ether carboxylic acid, 2% of an antibacterial agent and the balance of water, wherein the antibacterial agent is N-methyl-dicyclohexylamine; The antirust emulsifier is prepared by mixing and reacting cyclohexyl diethanolamine, diglycolamine and cyclopropyl oleic acid at a molar ratio of 4-5:1:3 at a reaction temperature of 80-90 ℃, wherein the reaction time is 60-70 min; And adding the groove edge regulator into the vegetable oil-based cutting liquid groove liquid which is used until sticky floaters appear, so that the groove liquid is restored to a normal working state.
2. The tank edge modifier for vegetable oil-based cutting fluid according to claim 1, wherein the alcohol ether solvent is ethylene glycol butyl ether, diethylene glycol butyl ether or isohexylene glycol.
3. The tank side regulator for vegetable oil-based cutting fluids according to claim 1 wherein the mixed ether carboxylic acid is a mixture of a short alkyl chain ether carboxylic acid and a long alkyl chain ether carboxylic acid.
4. The tank side conditioner for a vegetable oil-based cutting fluid according to claim 3, wherein the short alkyl chain ether carboxylic acid is a C6-8 alkyl chain ether carboxylic acid, and the long alkyl chain ether carboxylic acid is a C16-18 alkyl chain ether carboxylic acid.
5. The method for preparing the groove side regulator of the vegetable oil-based cutting fluid, which is characterized by comprising the steps of adding the formula amount of cyclohexyldiethanolamine, diglycolamine and cyclopropyloleic acid into a reaction kettle, heating to 80-90 ℃ while stirring, reacting for 60-70 min, adding the formula amount of water into the reaction kettle, stirring until the mixture is uniform and transparent, and finally adding the formula amount of alcohol ether solvent, mixed ether carboxylic acid and antibacterial agent, and stirring the mixture uniformly.

Description

Groove edge regulator of vegetable oil-based cutting fluid and preparation method thereof Technical Field The invention relates to a groove edge regulator of a vegetable oil-based cutting fluid and a preparation method of the groove edge regulator. Technical Field The vegetable oil-based cutting fluid has many advantages in the machining process, the unique molecular structure of the vegetable oil-based cutting fluid has excellent lubricating performance, the yield can be effectively improved, the service life of a cutter can be prolonged, the irritation and the allergy to operators can be reduced by using the vegetable oil-based cutting fluid, and in addition, the waste liquid of the vegetable oil-based cutting fluid is easier to treat and is easier to degrade than mineral oil. However, vegetable oil molecules are sensitive to mixed oil and hard water, and when water with larger hardness is used for preparing liquid, the liquid is easy to generate saponification layer and sticky problems along with continuous evaporation and hardness accumulation, so that the problems of reduced lubricating performance, difficult cleaning of parts and the like are caused. Disclosure of Invention The invention aims to provide a groove edge regulator of a vegetable oil-based cutting fluid, which is added into a groove fluid with a saponification layer and tackiness so as to regulate the groove edge, and the groove fluid is restored to a normal working state, thereby prolonging the service life of the groove fluid, and the invention also aims to provide a preparation method of the groove edge regulator. The groove edge regulator of the vegetable oil-based cutting fluid comprises, by weight, 35% -40% of an antirust emulsifier, 25% of an alcohol ether solvent, 25% of mixed ether carboxylic acid, 2% of an antibacterial agent and the balance of water. The antirust emulsifier is prepared by mixing and reacting cyclohexyl diethanolamine, diglycolamine and cyclopropyl oleic acid at a molar ratio of 4-5:1:3 at a high temperature. Under the corresponding mass ratio, the cyclohexyl diethanolamine and the diglycolamine can fully react with the cyclopropyl oleic acid, and the cyclohexyl diethanolamine and the diglycolamine have excellent antirust performance, simultaneously keep a good pH value, are favorable for resisting microorganisms, and do not cause corrosion to aluminum alloy. Wherein the reaction temperature is 80-90 ℃ and the reaction time is 60-70 min. Wherein the alcohol ether solvent is ethylene glycol butyl ether, diethylene glycol butyl ether or isohexylene glycol. Wherein the mixed ether carboxylic acid is a mixture of short alkyl chain (C6-8) ether carboxylic acid and long alkyl chain (C16-18) ether carboxylic acid, and more preferably Japanese flower King AKYPO TEC-AM VG (ether carboxylic acid). Wherein the antibacterial agent is N-methyl-dicyclohexylamine. The preparation method of the groove side regulator of the vegetable oil-based cutting fluid comprises the steps of adding the formula amount of cyclohexyl diethanolamine, diglycolamine and cyclopropyl oleic acid into a reaction kettle, heating to 80-90 ℃ while stirring, reacting for 60-70 min, adding the formula amount of water into the reaction kettle, stirring until the mixture is uniform and transparent, and finally adding the formula amount of alcohol ether solvent, mixed ether carboxylic acid and antibacterial agent, and stirring until the mixture is uniform and semitransparent. The groove edge regulator is added into the sticky vegetable oil-based cutting liquid groove liquid, so that the high-temperature stability of the groove liquid and the rust resistance of cast iron filings are improved obviously, and the corrosion inhibition performance of aluminum alloy is not affected. The antirust emulsifier can effectively emulsify the mixed oil in the tank liquor and the vegetable oil separated out due to unstable tank liquor, increase the antirust performance of the system, effectively disperse soap separation caused by accumulated hardness in water by using the alcohol ether solvent and the mixed ether carboxylic acid, is friendly to aluminum alloy by using the combination of special amines in the system, does not influence the corrosion inhibition performance of the aluminum alloy, and can also increase the antibacterial and antiseptic capacity of the system, and the stability of the tank liquor is improved by the synergistic effect of the antirust emulsifier, the alcohol ether solvent and the mixed ether carboxylic acid. Compared with the prior art, the invention has the advantages that the groove edge regulator is added into the vegetable oil-based cutting liquid groove liquid which is used until sticky floaters appear, the groove liquid state can be regulated to be uniform no matter the groove liquid is used for aluminum alloy or ferrous metal processing, normal lubrication, corrosion inhibition, rust prevention and cleaning functions are recovered, the corros