Hard water resistant vegetable oil emulsified complexing agent and preparation thereof
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A technology of vegetable oil and compounding agent, which is applied in the direction of additives, petroleum industry, lubricating composition, etc., can solve the problems of difficulty in achieving stability and emulsified oil in a stable emulsified state, and achieve long service life, good anti-corrosion effect, Superior hard water resistance
Inactive Publication Date: 2020-05-15
NANJING WEISAI MEDICAL TECH
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[0002] Usually, in order to obtain better lubricity and better surface finish of workpieces during metal processing, a large amount of vegetable oil-based soybean oil, rapeseed oil, palm oil, etc. are added to the processing fluid, and pure vegetable oil-based It is difficult to achieve a good stable emulsification state for emulsified oils. Even after emulsification, when faced with different water hardness in different regions, the stability of the emulsion, oil and soap separation, and the appearance and stability of the stock solution are difficult to achieve. good balance
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Embodiment 1
[0034] A kind of anti-hard water type vegetable oil emulsifying compound, consists of the following components by weight percentage:
[0035]
[0036]
[0037] Described preparation method comprises the steps:
[0038] 1) Add monoethanolamine, triethanolamine, and higher fatty acids into the reaction tank in proportion, and stir for about 30 minutes at 50-60°C;
[0039] 2) Add low-foaming surfactant, anti-hard water agent, aluminum corrosion inhibitor, and coupling agent to the mixture in step 1 in proportion by mass percentage, and stir at 40-50°C for 20 minutes;
[0040] 3) Add the bactericide to the mixture obtained in step 2 at 40° C., and stir for 20-25 minutes.
Embodiment 2
[0042] A kind of anti-hard water type vegetable oil emulsifying compound, consists of the following components by weight percentage:
[0043]
[0044] Described preparation method comprises the steps:
[0045] 1) Add monoethanolamine, triethanolamine, and higher fatty acids into the reaction tank in proportion, and stir for about 30 minutes at 50-60°C;
[0046] 2) Add low-foaming surfactant, anti-hard water agent, and coupling agent to the mixture in step 1 in proportion by mass percentage, and stir at 40-50°C for 20 minutes;
[0047] 3) Cool to 40°C, add the bactericide to the mixture obtained in step 2, and stir at 40°C for 20-25 minutes.
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Abstract
The invention discloses a hard water resistant vegetable oil emulsified complexing agent. The complexing agent comprises the following raw materials in percentage by mass: 1-5% of monoethanol amine, 1-5% of triethanolamine, 1-5% of higher fatty acid, 25-50% of a low-foam surfactant, 15-30% of a hard water resistant agent, 15-35% of a coupling agent, 1-5% of an aluminum corrosion inhibitor and 1-5%of a bactericide. The invention further discloses a preparation method of the complexing agent. The recommended additive amount of the product is 15% by weight, in addition, 85% of vegetable oil is uniformly stirred and mixed to prepare hard water resistant vegetable oil emulsion, and the emulsion is excellent in lubricating property and rust resistance, long in service life, capable of adaptingto water quality under different south and north conditions and particularly excellent in hard water resistance.
Description
technical field [0001] The invention relates to the technical field of metalworking fluid additives, in particular to a hard water-resistant vegetable oil emulsifying compound and its preparation. Background technique [0002] Usually, in order to obtain better lubricity and better surface finish of workpieces during metal processing, a large amount of vegetable oil-based soybean oil, rapeseed oil, palm oil, etc. are added to the processing fluid, and pure vegetable oil-based It is difficult to achieve a good stable emulsification state for emulsified oils. Even after emulsification, when faced with different water hardness in different regions, the stability of the emulsion, oil and soap separation, and the appearance and stability of the stock solution are difficult to achieve. nice balance. [0003] Therefore be badly in need of a kind of anti-hard water type vegetable oil-based emulsified oil compounding agent. Contents of the invention [0004] In order to solve the...
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