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A lubricant and synthetic technology, applied in lubricating compositions, petroleum industry, etc., can solve problems such as the increase of colloid in rolling oil, and achieve the effects of high viscosity index, excellent anti-wear characteristics, and long service life
Pending Publication Date: 2022-03-18
上海森帝润滑技术有限公司
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Problems solved by technology
[0004] At present, in order to solve this problem in the market, many oil manufacturers have introduced non-staining hydraulic oil and non-staining bearing oil. Usually, there are two types of non-staining bearing oils: polyether and synthetic alkanes, and non-staining hydraulic oils on the market Mainly synthetic alkanes, the leakage of this kind of non-stained hydraulic oil will still increase the colloid of rolling oil
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[0032] The present invention also provides a method for preparing the above-mentioned synthetic non-staining hydraulic lubricant, which includes the following steps: adding component B into a mixing tank with a stirrer and heating to 60-70°C; then adding an antioxidant, sulfur-containing or Phosphorus extreme pressure anti-wear agent, antirust agent and metal passivator, blend at 80-90°C for 2-4 hours until the mixture is uniform and transparent, finally add component A, blend for 0.5-1 hour until uniform.
[0033] The technical scheme of concrete implementation of the present invention comprises:
Embodiment 1
[0035] A synthetic non-staining hydraulic lubricant comprising the following components in parts by weight:
[0036] Component A: 60 parts by weight, Component B: 5 parts by weight, antioxidant: 0.5 parts by weight, extreme pressure antiwear agent containing sulfur or phosphorus: 0.01 parts by weight, rust inhibitor: 0.01 parts by weight, metal passivation Agent: 0.001 parts by weight; the main component of component A is polyalkylene glycol, wherein the proportion of ethylene oxide is 50% or 40%; component B is diester, pentaerythritol ester, trimethylol acrylate, One or more of trimellitate. The main test properties of the synthetic non-staining hydraulic lubricant obtained in Example 1 are shown in Table 1.
Embodiment 2
[0038] A synthetic non-staining hydraulic lubricant comprising the following components in parts by weight:
[0039] Component A: 80 parts by weight, Component B: 20 parts by weight, antioxidant: 3 parts by weight, extreme pressure antiwear agent containing sulfur or phosphorus: 0.5 parts by weight, rust inhibitor: 0.5 parts by weight, metal passivation Agent: 0.25 parts by weight; the main component of component A is polyalkylene glycol, wherein the proportion of ethylene oxide is 50% or 40%; component B is diester, pentaerythritol ester, trimethylol acrylate, One or more of trimellitate. The main test properties of the synthetic non-staining hydraulic lubricant obtained in Example 2 are shown in Table 1.
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Abstract
The invention discloses a synthetic waterless hydraulic lubricant which comprises the following components in parts by weight: 5-30 parts of a component A, 0.5-8 parts of an antioxidant, 0.01-1 part of a sulfur-containing or phosphorus-containing anti-wear reagent at extreme pressure, 0.01-1 part of an anti-rust agent and 0.01-1 part of a metal deactivator, and the balance of a component B, a component B, an antioxidant, a sulfur-containing or phosphorus-containing anti-wear reagent at extreme pressure, an anti-rust agent and a metal deactivator, 0.001 to 0.5 part by weight of a metal deactivator; the main component of the component A is polyalkyl glycol, and the proportion of ethylene oxide is 50% or 40%; and the component B is one or more of diester, pentaerythritol ester, trihydroxymethyl acrylate and trimellitate. The synthetic waterless hydraulic lubricant disclosed by the invention has excellent thermal oxidation stability, excellent wear resistance and very high viscosity index, is particularly suitable for lubrication of a hydraulic system of an aluminum plate strip foil rolling mill, and does not cause increase of rolling oil colloid even if leakage occurs; in addition, the synthetic waterless hydraulic lubricant has the advantage of long service life.
Description
technical field [0001] The invention relates to a synthetic non-staining hydraulic lubricant, in particular to a synthetic non-staining hydraulic lubricant used in an aluminum sheet, strip and foil rolling mill. Background technique [0002] Aluminum sheet, strip and foil is a very important product category in the industrial and civil fields. Most of the aluminum sheet, strip and foil are completed by cold rolling process, which mainly involves aluminum rolling mills, including four-roll mills or six-roll mills. The oil products involved in the working process of the rolling mill mainly include rolling oil, hydraulic oil, bearing oil, etc. Among them, the rolling oil is low-sulfur and low-aromatic hydrogenated solvent oil (light white oil), and then add a certain proportion of additives. Usually, the grade of solvent oil is between 100# and 110#, and the additives are mainly alcohols and esters; the bearing oil is mainly It is used for the lubrication of work roll and back...
Claims
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