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Additive for industrial hydraulic oil

A technology of additives and hydraulic oils, which is applied in the direction of additives, petroleum industry, lubricating compositions, etc., can solve the problems of poor efficacy of hydraulic oils, reduction of production costs, and ineffective efficacy, and achieves maintenance of efficacy, simple manufacturing method, and comprehensive efficacy high effect

Inactive Publication Date: 2017-03-01
华信凯伟科技(天津)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing composite additives for hydraulic oils are not effective, and it is difficult to meet the higher requirements of various mechanical equipment, and the comprehensive effect is not obvious.
Moreover, there are fewer suppliers of compound additives for hydraulic oil than suppliers of compound additives for engine lubricating oil, and the price is expensive. Many lubricating oil manufacturers basically use several single-agent blends to produce hydraulic oil. The reduction in production costs will inevitably make The produced hydraulic oil has poor efficacy, short service life and unsatisfactory overall efficacy

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] An industrial hydraulic oil additive: composed of base oil; antioxidant; rust inhibitor; metal deactivator; anti-wear additive; demulsifier; foam inhibitor; viscosity index improver; borate; alkyl naphthalene; The base oil is a mixture of polyalphaolefin and double grease, the weight ratio of the two components is 1:2; the antioxidant is: hindered phenol; the rust inhibitor is: alkyl succinic acid derivatives ; metal deactivator: mercaptobenzimidazole; antiwear additive: alkyl phosphate ester and salt; demulsifier: polyalkoxyphenol; foam inhibitor: polyacrylate; viscosity index improver: Polyalkyl methacrylate; the weight percentage of each component is: base oil 18%; antioxidant 18%; rust inhibitor 11%; metal deactivator 9%; antiwear additive 3%; demulsifier 5% %; Foam inhibitor 9%; Viscosity index improver 16%; Borate 3%; In between, stir for 30 minutes, mix antioxidants; rust inhibitors; metal deactivators; antiwear additives; demulsifiers; foam inhibitors; viscosit...

Embodiment 2

[0024] An industrial hydraulic oil additive: composed of base oil; antioxidant; rust inhibitor; metal deactivator; anti-wear additive; demulsifier; foam inhibitor; viscosity index improver; borate; alkyl naphthalene; The base oil is a mixture of two components of 150BS and 5 centistokes, the weight ratio of the two components is 1:4; the antioxidant is: hindered phenol; the rust inhibitor is: alkyl succinic acid derivatives; metal Deactivator: Mercaptobenzimidazole; Antiwear Additive: Alkyl Phosphates and Salts; Demulsifier: Polyalkoxyphenol; Foam Depressant: Polyacrylate; Viscosity Index Improver: Polyalkylene Base methacrylate; The weight percent of each component is: base oil 15%; Antioxidant 6%; Rust inhibitor 11%; Metal deactivator 9%; Anti-wear additive 8%; Demulsifier 10%; Foam inhibitor 9%; viscosity index improver 16%; borate 8%; alkyl naphthalene 8%; mix the above base oil according to the weight percentage, heat and control the temperature between 50-55 ℃ , stirred...

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PUM

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Abstract

The invention provides an additive for industrial hydraulic oil. The additive is composed of base oil, an antioxidant, a rust inhibitor, a metal deactivator, an antiwear additive, a demulsifying agent, a foam inhibitor, a viscosity index improver, borate and alkyl naphthalene, wherein the antioxidant is sterically hindered phenol; the rust inhibitor is an alkyl succinic acid derivative; the metal deactivator is mercapto benzimidazole; the antiwear additive is alkyl phosphate and salt; the demulsifying agent is polyalkoxyphenol; the foam inhibitor is polyacrylate; and the viscosity index improver is polyalkyl methacrylate. According to the invention, the manufacturing method is simple and has easy operation; and the prepared product has a price lower than the price of the product of a same kind, has prominent effects, maintains the use effect of hydraulic oil for a long time, and has comprehensive effect higher than the comprehensive effect of the product of a same kind.

Description

[0001] (1) Technical field [0002] The invention relates to a lubricating oil additive, in particular to a preparation scheme and a manufacturing method of an industrial hydraulic oil additive. [0003] (2) Background technology [0004] At present, hydraulic oil is used in industrial machinery, agricultural machinery, aviation equipment, marine equipment, and automobile industry. The production of hydraulic oil needs to ensure its long-term effective comprehensive effect, and must achieve heat transfer; protect and lubricate the various components of the overall system; stably remove heat through circulation; protect various components from oxidation and corrosion; provide good wear protection; provide good extreme pressure resistance; and good thermal stability and long service life. However, the existing composite additives for hydraulic oil have not outstanding effects, and it is difficult to meet the higher requirements of various mechanical equipment, and the comprehens...

Claims

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Application Information

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IPC IPC(8): C10M169/04C10M167/00C10N40/08C10N30/06C10N30/10C10N30/12
Inventor 郑会娜
Owner 华信凯伟科技(天津)有限公司
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