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Lubricating oil for injection molding machine

A technology for lubricating oil and injection molding machine, applied in the field of lubricating oil, can solve the problems of inability to use centralized lubrication, unsuitable pumping, and high production cost, and achieve the effects of not easy rapid loss, low cost, and high cleanliness.

Active Publication Date: 2018-09-14
NINGBO RUNBEI WANLING LUBRICANT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Adding suitable solid powder to the lubricating oil is a good way to improve the waterproof performance. For example, the invention application CN01115610.4 provides a kind of lubricating grease for gas pipeline valves. Its composition adds 0-30% mica powder, Calcium carbonate or calcium phosphate is preferably added with mica powder. This kind of grease is characterized by high dropping point, good flame retardancy and good insulation, but its production cost is high, so it is not suitable for special grease for injection molding machine joints; invention Application CN200610113499 discloses a water-resistant lubricating grease, adding molybdenum disulfide, tungsten disulfide, flake graphite, colloidal stone ink, micropowder graphite, mica powder, talcum powder, calcium fluoride, calcium carbonate, barium carbonate, thioantimony acid One or more of antimony, copper powder, aluminum powder, lead powder, and molybdenum dibutyldithiocarbamate. This lubricating oil is mainly used for underwater working conditions, so it is not suitable for injection molding machine joints Grease; Invention application CN200810057199 provides an open gear grease composition, which adds graphite, molybdenum disulfide, polytetrafluoroethylene, tungsten disulfide, melamine, calcium carbonate, calcium phosphate, calcium sulfate, barium sulfate, carbonic acid Barium or mica powder, this kind of grease is relatively viscous due to the addition of polyisobutylene, it is not suitable for pumping, and cannot be used for centralized lubrication, so it is not suitable for joint grease of injection molding machines

Method used

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  • Lubricating oil for injection molding machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A lubricating oil for injection molding machine, prepared from the following raw materials by weight: 85 parts of mineral base oil, 15 parts of nonylphenol polyoxyethylene ether, 3 parts of hexachlorocyclopentadiene, 3 parts of ethanedithiol, alkane 5 parts of alkylated diphenylamine, 10 parts of graphene, 5 parts of modified zircon powder, 1 part of methyl carbamate and 2 parts of benzimidazole.

[0021] The preparation method of the modified nano zircon powder is: adding stearic acid to methylene chloride, and then adding tetradecyl trimethyl ammonium chloride, cetyl mercaptan and 3-mercaptopropyl triethoxy The modified solution is prepared by pulverizing the zircon to 20-40μm, then adding it to the modified solution, heating it in a water bath at 85°C at an ultrasonic frequency of 60KHz for 5h, cooling it out and drying it and calcining it at 650°C for 2h, and then grinding into Nano powder is used to obtain modified nano zircon powder; wherein, the material-to-liquid r...

Embodiment 2

[0024] A lubricating oil for injection molding machine prepared from the following raw materials by weight: 90 parts of mineral base oil, 20 parts of nonylphenol polyoxyethylene ether, 4 parts of hexachlorocyclopentadiene, 4 parts of ethanedithiol, and alkane 7 parts of alkylated diphenylamine, 12 parts of graphene, 7 parts of modified zircon powder, 2 parts of methyl carbamate and 3 parts of benzimidazole.

[0025] The preparation method of the modified nano zircon powder is: adding stearic acid to methylene chloride, and then adding tetradecyl trimethyl ammonium chloride, cetyl mercaptan and 3-mercaptopropyl triethoxy Then, the zircon was pulverized into 20-40μm and added to the modified solution, heated in a water bath at 90°C at an ultrasonic frequency of 70KHz for 7h, cooled and dried, calcined at 680°C for 2.5h, and then ground The modified nano zircon powder is obtained as a nano-powder; the material-to-liquid ratio of stearic acid and methylene chloride is 1g:10mL, steari...

Embodiment 3

[0028] A lubricating oil for injection molding machine prepared from the following raw materials by weight: 95 parts of mineral base oil, 25 parts of nonylphenol polyoxyethylene ether, 5 parts of hexachlorocyclopentadiene, 5 parts of ethanedithiol, and alkane 10 parts of alkylated diphenylamine, 15 parts of graphene, 10 parts of modified zircon powder, 3 parts of methyl carbamate and 4 parts of benzimidazole.

[0029] The preparation method of the modified nano zircon powder is: adding stearic acid to dichloromethane, then adding tetradecyl trimethyl ammonium chloride, cetyl mercaptan and 3-mercaptopropyl triethoxy Then the zircon was crushed into 20-40μm and added to the modified solution, heated in a water bath at 95°C at an ultrasonic frequency of 60-90KHz for 10 hours, cooled, dried, and calcined at 700°C for 3 hours, then Grind into nanometer powder to obtain modified nanometer zircon powder; among them, the material-to-liquid ratio of stearic acid and dichloromethane is 1g:...

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Abstract

The invention relates to an injection molding machine lubricating oil, which is prepared from the following raw materials by weight: 85-95 parts of mineral base oil, 15-25 parts of nonylphenol polyoxyethylene ether, and 3-5 parts of hexachlorocyclopentadiene , 3-5 parts of ethanedithiol, 5-10 parts of alkylated diphenylamine, 10-15 parts of graphene, 5-10 parts of modified zircon powder, 1-3 parts of methyl carbamate and 2 parts of benzimidazole -4 parts. The lubricating oil of the present invention has good anti-wear properties, corrosion resistance, thermal stability, anti-foaming properties, good sealing adaptability, high cleanliness, and can meet the requirements of the hydraulic system of the injection molding machine for lubricating oil. The lubricating oil itself has strong adhesion so that the oil is not easily lost quickly. The preparation method of the invention is simple, convenient for industrial production and low in cost.

Description

Technical field [0001] The invention relates to a lubricating oil, in particular to an injection molding machine lubricating oil with good anti-rust, anti-oxidation, extreme pressure and anti-wear properties. Background technique [0002] Injection molding machine, abbreviated as injection machine or injection molding machine, is the main molding equipment for making various shapes of plastic products from thermoplastic or thermosetting materials using plastic molding molds. Injection molding machines are widely used in various fields of national defense, electromechanical, automotive, transportation, building materials, packaging, agriculture, culture, education and health, and people’s daily life. Today, with the rapid development of the plastics industry, injection molding machines are important in both quantity and variety. Position, its total production accounts for 20%-30% of the entire plastic molding equipment, thus becoming one of the fastest growing and most produced mo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M169/04C10N30/04C10N30/06C10N30/10C10N30/12C10N40/08
CPCC10M169/044C10M2201/041C10M2201/10C10M2203/1006C10M2209/104C10M2211/022C10M2215/064C10M2215/10C10M2215/224C10M2219/082C10N2030/04C10N2030/06C10N2030/10C10N2030/12C10N2040/08
Inventor 牛建梅张欣林俊麒郭丽艳王淑宽朱月芬
Owner NINGBO RUNBEI WANLING LUBRICANT
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