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Water-based lubricant and preparation method thereof

A technology of water-based lubricants and base rings, applied in the direction of lubricating compositions, chemical instruments and methods, additives, etc., can solve the problems of lack of raw materials, environmental pollution, poor wear resistance, etc., to improve performance and value, simple process, The effect of mild reaction conditions

Active Publication Date: 2018-10-09
INST OF CHEM IND OF FOREST PROD CHINESE ACAD OF FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Technical problem to be solved: In order to solve the problems of lack of raw materials, environmental pollution, and poor wear resistance in traditional extreme pressure lubricants, the present invention provides a water-based lubricant and its preparation method, which has the dual advantages of environmental protection, extreme pressure and anti-wear Effect

Method used

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  • Water-based lubricant and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] (1) Preparation of rubber seed oil-based epoxy

[0018] In a 500mL three-necked flask equipped with a heating mantle, a stirring device, and a thermometer, add 1mol of rubber seed oil, 10mol of epichlorohydrin, and 0.05% of the total mass of rubber seed oil and epichlorohydrin. Ammonium is used as a catalyst, the temperature is raised to 120°C, and the reaction takes 2 hours; at 50°C, under the action of 1mol sodium hydroxide and 10g calcium oxide, a ring-closing reaction occurs for 4 hours. Rubber seed oil based epoxy.

[0019] (2) Preparation of rubber seed oil-based polyol amine

[0020] In a 500mL three-neck flask equipped with a heating mantle, a stirring device, and a thermometer, add 1 mol of rubber seed oil-based epoxy and 1 mol of diethanolamine obtained in step (1), and react at 90°C for 2 hours; then reduce the pressure to -0.1~-0.09MPa , distill off the solvent ethyl acetate to obtain rubber seed oil-based polyol amine;

[0021] (3) Preparation of rubber ...

Embodiment 2

[0027] (1) Preparation of rubber seed oil-based epoxy

[0028] In a 500mL three-necked flask equipped with a heating mantle, a stirring device, and a thermometer, add 1 mol of rubber seed oil, 8 mol of epichlorohydrin, and benzyl triethyl chloride, which accounts for 1% of the total mass of rubber seed oil and epichlorohydrin. Ammonium is used as a catalyst, the temperature is raised to 100°C, and the reaction is 3h; at 70°C, under the action of 1mol of sodium hydroxide and 10g of calcium oxide, a ring-closing reaction occurs for 3h, and the excess epichlorohydrin is obtained by filtering sodium chloride and distilling off excess epichlorohydrin under reduced pressure. Rubber seed oil based epoxy.

[0029] (2) Preparation of rubber seed oil-based polyol amine

[0030] In a 500mL three-neck flask equipped with a heating mantle, a stirring device, and a thermometer, add 1 mol of rubber seed oil-based epoxy and 1 mol of diethanolamine obtained in step (1), and react at 70°C for ...

Embodiment 3

[0036] (1) Preparation of rubber seed oil-based epoxy

[0037] In a 500mL three-neck flask equipped with a heating mantle, a stirring device, and a thermometer, add 1 mol of rubber seed oil, 6 mol of epichlorohydrin, and 2% benzyl triethyl chloride, which accounts for 2% of the total mass of rubber seed oil and epichlorohydrin. Ammonium is used as a catalyst, the temperature is raised to 110°C, and the reaction is 1 hour; at 60°C, under the action of 1mol of sodium hydroxide and 10g of calcium oxide, a ring-closing reaction occurs for 5 hours. Rubber seed oil based epoxy.

[0038] (2) Preparation of rubber seed oil-based polyol amine

[0039] In a 500mL three-neck flask equipped with a heating mantle, a stirring device, and a thermometer, add 1mol of rubber seed oil-based epoxy and 1mol of ethanolamine obtained in step (1), and react at 60°C for 5h; then reduce the pressure to -0.1~-0.09MPa, The solvent toluene is evaporated to obtain the rubber seed oil-based polyol amine; ...

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Abstract

The invention discloses a water-based lubricant and a preparation method thereof. The preparation method comprises the following steps: carrying out an epoxy open-loop reaction on rubber seed oil andepoxy chloropropane; carrying out a closed-loop reaction on sodium hydroxide and calcium oxide so as to obtain rubber seed oil-based epoxy; carrying out an open-loop reaction on the rubber seed oil-based epoxy with an alkylol amine compound in an inert organic solvent so as to obtain rubber seed oil-based multi-element alkylol amine; carrying out an esterification reaction on an alcohol or alcoholether with the rubber seed oil-based multi-element alkylol amine and a phosphoryl chloride compound in an inert organic solvent so as to obtain a rubber seed oil-based extreme pressure alcohol or a rubber seed oil-based extreme pressure ether; dissolving the rubber seed oil-based extreme pressure alcohol or the rubber seed oil-based extreme pressure ether into a solution, thereby obtaining a stable green environmental-friendly water-based lubricant under the coactions of hydrogen bonds. The green environmental-friendly water-based lubricant prepared by using the method disclosed by the invention has multiple effects of lubrication, environment protection and extreme pressure wearing resistance.

Description

technical field [0001] The invention belongs to the field of lubricants, and in particular relates to a preparation method of a green and environment-friendly water-based lubricant. Background technique [0002] The biodegradability of mineral oil-based lubricants is poor, and some of them have ecotoxicity. With the continuous enhancement of human environmental protection awareness and environmental protection legislation, the environmental pollution caused by mineral oil-based lubricants has attracted more and more attention. Because water-based lubricants have the advantages of adapting to environmental protection requirements, vast resources and low cost, they are the focus of current and future development of metalworking fluids and industrial equipment lubrication. [0003] At present, water-based lubricants have problems such as poor lubricity, stability, and corrosion resistance, and their use is limited. The research on water-soluble lubricating additives with stabl...

Claims

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Application Information

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IPC IPC(8): C10M137/04C07F9/6584C10M173/02C10N30/06
CPCC07F9/6584C10M137/04C10M173/02C10M2209/12C10M2223/04C10N2030/06C10N2030/64
Inventor 夏建陵丁海阳李守海许利娜杨小华李梅
Owner INST OF CHEM IND OF FOREST PROD CHINESE ACAD OF FORESTRY
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