Preparation method for anti-wear reagent at extreme pressure and application in full synthetic water-based molding liquid

An anti-wear agent and molding fluid technology, applied in additives, lubricating compositions, petroleum industry and other directions, can solve the problems of anti-oxidation, anti-detergency, weak repair function and poor multi-functionality, and achieve good biodegradability, Good abrasion resistance, excellent anti-corrosion effect

Inactive Publication Date: 2019-06-14
SHANDONG YUANGEN PETROLEUM CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Because traditional extreme pressure antiwear agents face various environmental protection problems, and have poor multifunctionality, anti-

Method used

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  • Preparation method for anti-wear reagent at extreme pressure and application in full synthetic water-based molding liquid

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0032] Example 1:

[0033] A preparation method of an antiwear agent includes the following steps:

[0034] (1) Preparation of DMF uniform dispersion of carboxylated graphene oxide:

[0035] Take 1mg / mL graphene oxide uniform dispersion, add hydrobromic acid, stir vigorously at room temperature for 8h, add oxalic acid, continue the reaction for 3h, wash with deionized water to neutrality, and then use DMF to make the solution concentration At 1 mg / mL, continuous ultrasonic dispersion was performed for 20 hours to obtain a DMF uniform dispersion of carboxylated graphene oxide.

[0036] (2) Graphene oxide composite modified by lanthanum phthalocyanine

[0037] Take the DMF uniform dispersion of carboxylated graphene oxide, tetraamino lanthanum phthalocyanine EDC, DMAP, heat at 80°C under the protection of vacuum nitrogen, react for 45h, cool and centrifuge to wash, to obtain phthalocyanine lanthanum oxide modified graphene oxide composite , That is, an anti-wear agent.

[0038] The EDC i...

Example Embodiment

[0039] Example 2:

[0040] A preparation method of an antiwear agent includes the following steps:

[0041] (1) Preparation of DMF uniform dispersion of carboxylated graphene oxide:

[0042] Take 1mg / mL graphene oxide uniform dispersion, add hydrobromic acid, stir vigorously at room temperature for 15h, add oxalic acid, continue the reaction for 5h, wash with deionized water to neutrality, then use DMF to make the solution concentration At 1 mg / mL, continuous ultrasonic dispersion for 30 hours to prepare a DMF uniform dispersion of carboxylated graphene oxide.

[0043] (2) Graphene oxide composite modified by lanthanum phthalocyanine

[0044] Take the DMF uniform dispersion of carboxylated graphene oxide, tetraamino lanthanum phthalocyanine EDC, DMAP, heat at 99°C under the protection of vacuum nitrogen, react for 55h, cool and centrifuge to wash, to obtain phthalocyanine lanthanum oxide modified graphene oxide composite , That is, an anti-wear agent.

[0045] The EDC is 1-(3-dimethyla...

Example Embodiment

[0046] Example 3:

[0047] A preparation method of an antiwear agent includes the following steps:

[0048] (1) Preparation of DMF uniform dispersion of carboxylated graphene oxide:

[0049] Take 1mg / mL graphene oxide uniform dispersion, add hydrobromic acid, stir vigorously at room temperature for 12h, add oxalic acid, continue the reaction for 4h, wash with deionized water to neutrality, then use DMF to make the solution concentration The DMF uniform dispersion of carboxylated graphene oxide was obtained by continuous ultrasonic dispersion for 24 hours at 1 mg / mL.

[0050] (2) Graphene oxide composite modified by lanthanum phthalocyanine

[0051] Take the DMF uniform dispersion of carboxylated graphene oxide, tetraamino phthalocyanine lanthanum EDC, DMAP, heat at 90°C under the protection of vacuum nitrogen, react for 48h, cool and centrifuge to wash, to obtain the phthalocyanine lanthanum oxide modified graphene oxide composite , That is, an anti-wear agent.

[0052] The EDC is 1-(3...

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Abstract

The invention discloses a preparation method for an anti-wear reagent at extreme pressure and an application in full synthetic water-based molding liquid and relates to the field of metal forming lubricant. The anti-wear reagent at extreme pressure comprises the following components by weight percent: 70%-85% of base liquor, 10%-19% of oiliness agent, 2.3-8% of anti-wear reagent at extreme pressure and 2-8.7% of antirust agent. The full synthetic water-based molding liquid is prepared according to the following steps: weighting mixture of water and ethylene glycol, water-soluble polyether, benzotriazole and phthalocyanine lanthanum modified graphene oxide compound; putting the weighted mixture of water and ethylene glycol into a stirring reaction kettle; adding water-soluble polyether; heating to 60 DEG C in water bath and continuously stirring till the solution in kettle is transparent and uniform, and then stopping heating; adding benzotriazole and phthalocyanine lanthanum modified graphene oxide compound into the acquired solution in turn, wherein another reagent shall be added after uniformly stirring and mixing each previously added component; stirring 10-30 minutes till uniformly mixing after adding all the components.

Description

technical field [0001] The invention relates to the field of metal forming lubricants, in particular to a preparation method of an extreme pressure antiwear agent and its application in a fully synthetic water-based forming fluid. Background technique [0002] Since the advent of water-based metalworking fluids in the 1940s, due to the incomparable cooling performance and low cost of oil-based fluids, it has attracted widespread attention in the market, resulting in the original oil-based metalworking fluids being gradually replaced by water-based metalworking fluids. (especially fully synthetic water-based metalworking fluid) instead. [0003] Water-based metalworking fluids have gone through the process of developing from emulsions to synthetic fluids and then to microemulsions in western developed countries, and microemulsions have been developed and applied unprecedentedly. In my country, metalworking fluids are still dominated by emulsions. In the 1980s, there was an u...

Claims

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Application Information

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IPC IPC(8): C10M125/02C10M141/06C10M173/00C10N30/06C10N30/12C10N40/20
Inventor 何茂伟袁俊洲徐金玲纪祥娟乔良
Owner SHANDONG YUANGEN PETROLEUM CHEM
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