CN105985857A - Efficient synthetic hydraulic oil good in filtering performance - Google Patents

Abstract

The invention discloses efficient synthetic hydraulic oil good in filtering performance. The efficient synthetic hydraulic oil is prepared from, by weight, 280-285 parts of industrial oleic acid, 12.6-13 parts of iodine, 72-74 parts of acrylic acid, 134-135 parts of trimethylolpropane, 15-16 parts of toluenesulfonic acid, 15-17 parts of nano boron carbide particles, 0.8-1 part of Span 800, 2-3 parts of sodium carboxymethylcellulose, 30-32 parts of deionized water, 3.2-3.5 parts of hydroxyethyl imidazoline, 10-12 parts of polymethacrylate, 3.5-4 parts of zinc dialkyl dithiophosphate, 1.5-1.8 parts of cithrol, 1-1.2 parts of barium petroleum sulfonate, 1.2-1.4 parts of cerium isooctoxyborate, 1.1-2 parts of cerous fluoride nanoparticles and 3-4 parts of benzotriazole. The efficient synthetic hydraulic oil prepared is good in filtering performance, capable of meeting harsh requirements of hydraulic systems which are high in accuracy, small in gap and complex in control elements and resistant to high temperature and wear.

Description

What a kind of strainability was good efficiently synthesizes hydraulic oil

Technical field

The present invention relates to technical field of hydraulic pressure, particularly relate to a kind of strainability good efficiently synthesize hydraulic oil.

Background technology

In recent years, along with design of Hydraulic System, the development of manufacturing technology be gradually improved, hydraulic technique is widely used in a new generation's plant equipment.The polytropy of hydraulic machinery working environment, the biggest challenge is brought: hydraulic oil must endure as the test of high pressure-temperature, variations in temperature, adverse circumstances to hydraulic oil, need excellent viscosity temperature characteristic and higher bearing capacity, ensure work efficiency and the service life of machinery, but existing antiwear hydraulic oil is difficult to fully meet the operating mode that hydraulic system is complicated and changeable.Very widely used today antiwear hydraulic oil, viscosity index (VI) is relatively low, and viscosity temperature characteristic is poor, and the hydraulic oil being suitable for summer in winter life-time service is less, need to change hydraulic oil when difference variation is bigger；Oxidation Stability is unstable, and during temperature, oxidation produces greasy filth, blocks oil filter；Bearing capacity is not enough, it is impossible to bear bigger impact load.

In " development of the multistage antiwear hydraulic oil of high-performance " literary composition by multiple base oil, viscosity modifier, antioxidant, Additives Property in Lubricants evaluate base oil on, by theoretical and experimentation, have developed a kind of multistage antiwear hydraulic oil, widen the temperature applicability of hydraulic oil, in the service life of extract press mechanical pressing, extend hydraulic oil and use the time, save the energy.But being as the reinforcement of people's environmental consciousness and the increasingly stringent of environmental regulation, the exploitation of Biodegradable lubricant oil and use increasingly cause the extensive concern of people, and the biological degradability of most hydraulic basis oil is poor, belongs to bio-refractory lubriation material.This article is not illustrated for the degradability of hydraulic oil and the non-oxidizability of degradable base oil.

Summary of the invention

The object of the invention is contemplated to make up the defect of prior art, it is provided that what a kind of strainability was good efficiently synthesizes hydraulic oil.

The present invention is achieved by the following technical solutions:

What a kind of strainability was good efficiently synthesizes hydraulic oil, it is made up of the raw material of following weight portion: industrial oleic acid 280-285, iodine 12.6-13, acrylic acid 72-74, trimethylolpropane 134-135, toluenesulfonic acid 15-16, nano silicon carbide boron particles 15-17, sorbester p17 0.8-1, sodium carboxymethyl cellulose 2-3, deionized water 30-32, hydroxyethyl imidazole quinoline 3.2-3.5, polymethacrylates 10-12, zinc dialkyl dithiophosphate 3.5-4, cithrol 1.5-1.8, barium mahogany sulfonate 1-1.2, cerium isooctoxyborate 1.2-1.4, cerous fluoride nanoparticle 1-1.2, BTA 3-4.

What described a kind of strainability was good efficiently synthesizes hydraulic oil, is made up of step in detail below:

(1) industrial oleic acid is put in reactor, be heated to 200-210 DEG C, add iodine, acrylic acid is continuously added after stirring, stir reaction 2-2.5 hour with the speed of 300-400 rev/min, after natural cooling, thick product is carried out separation and purification, obtain high-purity oleic acid；High-purity oleic acid is put in reactor, adds trimethylolpropane, toluenesulfonic acid, be heated to 120-130 DEG C, back flow reaction 3-4 hour, cool down, filter, distill, obtain base oil, be i.e. tricarboxymethyl propane oleate；

(2) sodium carboxymethyl cellulose is added in deionized water, stir 10 minutes to being completely dissolved, it is subsequently adding sorbester p17, stir 10 minutes with the speed of 600-800 rev/min, obtain dispersion liquid, continuously add nano silicon carbide boron particles, stir and within 10-15 minute, obtain suspension, then suspension is placed in ultrasonic disperse in ultrasonic waves for cleaning instrument is spray-dried after 15-20 minute and obtains modified Nano boron nitride particle；

(3) tricarboxymethyl propane oleate of half amount is put in stirring, add hydroxyethyl imidazole quinoline, the modified Nano boron nitride particle that step (2) obtains is added with the speed of 300-400 rev/min after stirring 15-20 minute, continue stirring 30-40 minute, until being uniformly dispersed, obtaining antifriction antiwear and strengthening base oil；

(4) cithrol, barium mahogany sulfonate, cerium isooctoxyborate, cerous fluoride nanoparticle are put in reactor, be heated to 50-60 DEG C of constant temperature and stir 1.5-2 hour, form mixture stand-by；The tricarboxymethyl propane oleate of surplus is added and is in harmonious proportion in still, add polymethacrylates, zinc dialkyl dithiophosphate, it is heated to 100-120 DEG C, temperature control stirring 90-120 minute, it is cooled to 50-60 DEG C, adding said mixture and remaining residual components in addition to antifriction antiwear strengthens base oil, continuous stirring 90-120 minute, until mixture all dissolves stand-by；

(5) product that antifriction antiwear enhancing base oil step (3) obtained obtains with step (4) mixes, and stirs with the speed of 1000-1200 rev/min, is then passed through triple-roller mill and grinds 3 times, eventually passes barrelling after 3 grades of filtrations, get product.

The invention have the advantage that industrial oleic acid is made high-purity oleic acid by a series of reaction by the present invention, the high-purity oleic acid of self-control is utilized to be prepared as tricarboxymethyl propane oleate again, improve the shortcoming that industrial oleic acid is susceptible to oxidation, make the base oil made have good non-oxidizability and cryogenic property, there is higher biological degradation rate simultaneously；The present invention also adds hydroxyethyl imidazole quinoline in base oil, reduce oil/water interfacial tension and and accelerate growth of microorganism, thus further increase the biological degradability of product of the present invention, coordinate the interpolation of modified Nano boron nitride particle, between friction pair, play " micro-bearing " effect of rolling, thus play the effect of antifriction antiwear.

The present invention adds the extreme pressure anti-wear additives of the rare earth composition such as cerium isooctoxyborate, cerous fluoride nanoparticle during configuration, by compounding with nano silicon carbide boron particles, can carry out friction surface a certain degree of filling up and repairing, have prominent anti-extreme pressure can and excellent wear resistence；The present invention improves conventional hydraulic oil by the hydraulic oil that rational composition proportion and technique are made and benefits from the shortcoming that the life-span is short, strainability is poor; the product strainability made is good; the rigors that precision is high, gap is little, control the complicated hydraulic system of element can be met; anti-high pressure; wear-resistant; improve system effectiveness, system is had superpower protection, reduce and safeguard.

Detailed description of the invention

What a kind of strainability was good efficiently synthesizes hydraulic oil, is made up of the raw material of following weight portion (kilogram): industrial oleic acid 280, iodine 12.6, acrylic acid 72, trimethylolpropane 134, toluenesulfonic acid 15, nano silicon carbide boron particles 15, sorbester p17 0.8, sodium carboxymethyl cellulose 2, deionized water 30, hydroxyethyl imidazole quinoline 3.2, polymethacrylates 10, zinc dialkyl dithiophosphate 3.5, cithrol 1.5, barium mahogany sulfonate 1, cerium isooctoxyborate 1.2, cerous fluoride nanoparticle 1, BTA 3.

What described a kind of strainability was good efficiently synthesizes hydraulic oil, is made up of step in detail below:

(1) industrial oleic acid is put in reactor, be heated to 200 DEG C, add iodine, after stirring, continuously add acrylic acid, stir reaction 2 hours with the speed of 300 revs/min, after natural cooling, thick product is carried out separation and purification, obtain high-purity oleic acid；High-purity oleic acid is put in reactor, adds trimethylolpropane, toluenesulfonic acid, be heated to 120 DEG C, back flow reaction 3 hours, cool down, filter, distill, obtain base oil, be i.e. tricarboxymethyl propane oleate；

(2) sodium carboxymethyl cellulose is added in deionized water, stir 10 minutes to being completely dissolved, it is subsequently adding sorbester p17, stir 10 minutes with the speed of 600 revs/min, obtain dispersion liquid, continuously add nano silicon carbide boron particles, stir and within 10 minutes, obtain suspension, then suspension is placed in ultrasonic disperse in ultrasonic waves for cleaning instrument is spray-dried after 15 minutes and obtains modified Nano boron nitride particle；

(3) tricarboxymethyl propane oleate of half amount is put in stirring, add hydroxyethyl imidazole quinoline, add the modified Nano boron nitride particle that step (2) obtains after stirring 15 minutes with the speed of 300 revs/min, continue stirring 30 minutes, until being uniformly dispersed, obtaining antifriction antiwear and strengthening base oil；

(4) cithrol, barium mahogany sulfonate, cerium isooctoxyborate, cerous fluoride nanoparticle are put in reactor, be heated to 50 DEG C of constant temperature and stir 1.5 hours, form mixture stand-by；The tricarboxymethyl propane oleate of surplus is added and is in harmonious proportion in still, add polymethacrylates, zinc dialkyl dithiophosphate, it is heated to 100 DEG C, temperature control stirring 90 minutes, it is cooled to 50 DEG C, adding said mixture and remaining residual components in addition to antifriction antiwear strengthens base oil, continuous stirring 90 minutes, until mixture all dissolves stand-by；

(5) product that antifriction antiwear enhancing base oil step (3) obtained obtains with step (4) mixes, and stirs with the speed of 1000 revs/min, is then passed through triple-roller mill and grinds 3 times, eventually passes barrelling after 3 grades of filtrations, get product.

The hydraulic oil that the present invention makes, obtains data through overtesting as follows: kinematic viscosity is 46.9mm at 40 DEG C²/ s, 100 DEG C is 10.0 mm²/s；Viscosity index (VI) is 203；Biological degradation rate reaches 97%；Corrosion testing reaches 1 grade.

Claims (2)

1. what a strainability was good efficiently synthesizes hydraulic oil, it is characterized in that, it is made up of the raw material of following weight portion: industrial oleic acid 280-285, iodine 12.6-13, acrylic acid 72-74, trimethylolpropane 134-135, toluenesulfonic acid 15-16, nano silicon carbide boron particles 15-17, sorbester p17 0.8-1, sodium carboxymethyl cellulose 2-3, deionized water 30-32, hydroxyethyl imidazole quinoline 3.2-3.5, polymethacrylates 10-12, zinc dialkyl dithiophosphate 3.5-4, cithrol 1.5-1.8, barium mahogany sulfonate 1-1.2, cerium isooctoxyborate 1.2-1.4, cerous fluoride nanoparticle 1-1.2, BTA 3-4.

What a kind of strainability was good efficiently synthesizes hydraulic oil, it is characterised in that be made up of step in detail below:

(1) industrial oleic acid is put in reactor, be heated to 200-210 DEG C, add iodine, acrylic acid is continuously added after stirring, stir reaction 2-2.5 hour with the speed of 300-400 rev/min, after natural cooling, thick product is carried out separation and purification, obtain high-purity oleic acid；High-purity oleic acid is put in reactor, adds trimethylolpropane, toluenesulfonic acid, be heated to 120-130 DEG C, back flow reaction 3-4 hour, cool down, filter, distill, obtain base oil, be i.e. tricarboxymethyl propane oleate；

(2) sodium carboxymethyl cellulose is added in deionized water, stir 10 minutes to being completely dissolved, it is subsequently adding sorbester p17, stir 10 minutes with the speed of 600-800 rev/min, obtain dispersion liquid, continuously add nano silicon carbide boron particles, stir and within 10-15 minute, obtain suspension, then suspension is placed in ultrasonic disperse in ultrasonic waves for cleaning instrument is spray-dried after 15-20 minute and obtains modified Nano boron nitride particle；

(3) tricarboxymethyl propane oleate of half amount is put in stirring, add hydroxyethyl imidazole quinoline, the modified Nano boron nitride particle that step (2) obtains is added with the speed of 300-400 rev/min after stirring 15-20 minute, continue stirring 30-40 minute, until being uniformly dispersed, obtaining antifriction antiwear and strengthening base oil；

(4) cithrol, barium mahogany sulfonate, cerium isooctoxyborate, cerous fluoride nanoparticle are put in reactor, be heated to 50-60 DEG C of constant temperature and stir 1.5-2 hour, form mixture stand-by；The tricarboxymethyl propane oleate of surplus is added and is in harmonious proportion in still, add polymethacrylates, zinc dialkyl dithiophosphate, it is heated to 100-120 DEG C, temperature control stirring 90-120 minute, it is cooled to 50-60 DEG C, adding said mixture and remaining residual components in addition to antifriction antiwear strengthens base oil, continuous stirring 90-120 minute, until mixture all dissolves stand-by；

(5) product that antifriction antiwear enhancing base oil step (3) obtained obtains with step (4) mixes, and stirs with the speed of 1000-1200 rev/min, is then passed through triple-roller mill and grinds 3 times, eventually passes barrelling after 3 grades of filtrations, get product.