Graphene lubricating grease and preparation method and application thereof
A kind of olefin grease and grease technology, which is applied in the field of graphene grease and its preparation, can solve the problems of being unsuitable for industrial production and high cost, and achieve significant anti-friction and corrosion performance, prolong life, and reduce wear.
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[0022] Example 1
[0023] A graphene grease includes the following components and contents: 70% grease, 13% thickener, 1% additive, and the balance is graphene base oil. Among them, the grease is a lithium-based grease; the thickening agent is a complex soap-based thickening agent; the additives include peptizers, phosphate esters, and fillers; the peptizer is a mixture of glycerin and water; the fillers include molybdenum disulfide and carbon black ; Graphene base oil includes 5% by weight of graphene, 1% non-ionic chelating agent, and the balance is base oil; base oil is polyolefin oil.
[0024] The preparation method of the above-mentioned graphene grease includes the following steps:
[0025] Step a: Disperse the graphene in a solvent containing a surface modification coupling agent for treatment at a temperature of 30°C, filter and dry to obtain a modified graphene powder;
[0026] Step b. According to the weight percentage, add graphene to the base oil, heat to 130°C, stir and ...
Example Embodiment
[0030] Example 2
[0031] A graphene grease includes the following components and content: raw materials including the following weight percentages: 75% grease, 16% thickener, 2% additives, and the balance is graphene base oil. Among them, the grease is a complex soap-based grease; the thickening agent is a non-soap-based thickening agent; the additives include ZDDP, Elco extreme pressure antiwear agent, and filler; the peptizer is a mixture of glycerin and water; the filler includes disulfide Molybdenum and graphite; graphene base oil includes 15% by weight of graphene, 3% non-ionic chelating agent, the balance is base oil; base oil is ester oil.
[0032] The preparation method of the above-mentioned graphene grease includes the following steps:
[0033] Step a: Disperse the graphene in a solvent containing a surface modification coupling agent for treatment at a temperature of 50°C, filter and dry to obtain a modified graphene powder;
[0034] Step b. According to the weight percen...
Example Embodiment
[0038] Example 3
[0039] A graphene grease includes the following components and contents: raw materials including the following weight percentages: 80% grease, 17% thickener, 3% additives, and the balance is graphene base oil. Among them, the grease is a silicic acid grease; the thickening agent is a non-soap thickening agent; the additives include a compounding agent, a dropping point improver and a filler; the peptizer is a mixture of glycerin and water; the filler includes graphite; graphene The base oil includes 20% graphene by weight percentage, 5% non-ionic chelating agent, and the balance is base oil; base oil is silicone oil.
[0040] The preparation method of the above-mentioned graphene grease includes the following steps:
[0041] Step a: Disperse the graphene in a solvent containing a surface-modified coupling agent for treatment at a temperature of 60°C, filter and dry to obtain a modified graphene powder;
[0042] Step b. According to the weight percentage, add graphe...
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