阅读说明：本技术 一种合成动力机油补强剂及其制备方法 (Synthetic power engine oil reinforcing agent and preparation method thereof ) 是由 李荣争 李荣源 李建西 李德毛 李建良 彭东雄 彭祖荣 蔡思静 于 2019-10-19 设计创作，主要内容包括：本发明涉及一种合成动力机油补强剂及其制备方法,属于动力机油技术领域,合成动力机油补强剂的原料包括天然气制油燃料、二烷基二硫代氨甲酸钼、羟基乙叉二膦酸、二戊基二硫代氨基甲酸锌、二苄基二硫代氨基甲酸钠、十二烷基苯磺酸钙、丁二酰亚胺、增效剂,增效剂包括硼化丁基硫代氨基甲酸锌、二丁基二硫代氨基甲酸锌,硼化丁基硫代氨基甲酸锌和二丁基二硫代氨基甲酸锌的重量配比为(10-15):1。该合成动力机油补强剂,其能够有效的改善合成动力机油的抗磨性,而且还具有储存、使用稳定的优点。(The invention relates to a synthetic power machine oil reinforcing agent and a preparation method thereof, belonging to the technical field of power machine oil, wherein the raw materials for synthesizing the synthetic power machine oil reinforcing agent comprise natural gas oil fuel, molybdenum dialkyl dithiocarbamate, hydroxyethylidene diphosphonic acid, zinc diamyl dithiocarbamate, sodium dibenzyldithiocarbamate, calcium dodecyl benzene sulfonate, succinimide and a synergist, and the synergist comprises zinc borobutylthiocarbamate and zinc dibutyldithiocarbamate, and the weight ratio of the zinc borobutylthiocarbamate to the zinc dibutyldithiocarbamate is (10-15): 1. The synthetic power machine oil reinforcing agent can effectively improve the abrasion resistance of the synthetic power machine oil and has the advantages of stable storage and use.)

1. A synthetic power machine oil reinforcing agent is characterized in that: the fuel comprises, by weight, 48-60 parts of natural gas-to-oil fuel, 6-10 parts of molybdenum dialkyl dithiocarbamate, 5.5-8.5 parts of hydroxyethylidene diphosphonic acid, 3.3-4.9 parts of zinc diamyl dithiocarbamate, 3.4-4.7 parts of sodium dibenzyl dithiocarbamate, 6.6-9.6 parts of calcium dodecyl benzene sulfonate, 4-6 parts of succinimide and 2.5-3.5 parts of synergist, wherein the synergist comprises zinc boronate butyl thiocarbamate and zinc dibutyl dithiocarbamate, and the weight ratio of the zinc boronate butyl thiocarbamate to the zinc dibutyl dithiocarbamate is (10-15): 1.

2. The synthetic power engine oil reinforcing agent according to claim 1, characterized in that: the fuel comprises, by weight, 53-58 parts of natural gas-to-oil fuel, 7-9 parts of molybdenum dialkyl dithiocarbamate, 6.6-8.1 parts of hydroxyethylidene diphosphonic acid, 3.5-4.4 parts of zinc diamyl dithiocarbamate, 3.7-4.3 parts of sodium dibenzyl dithiocarbamate, 7.4-8.2 parts of calcium dodecyl benzene sulfonate, 4.6-5.3 parts of succinimide and 2.8-3.2 parts of synergist, wherein the synergist comprises zinc boronate butyl thiocarbamate and zinc dibutyl dithiocarbamate, and the weight ratio of the zinc boronate butyl thiocarbamate to the zinc dibutyl dithiocarbamate is (11-13): 1.

3. The synthetic power engine oil reinforcing agent according to claim 1, characterized in that: the zinc boronized butyl thiocarbamate is hydrolysis-resistant TB-206.

4. The synthetic power engine oil reinforcing agent according to claim 1, characterized in that: the reinforcing agent also comprises an antioxidant, and the weight addition amount of the antioxidant is 1-4 parts.

5. The synthetic power engine oil reinforcing agent according to claim 4, characterized in that: the antioxidant is 2,2' -methylene bis (4-ethyl-6-tert-butylphenol).

6. The synthetic power engine oil reinforcing agent according to claim 1, characterized in that: the reinforcing agent also comprises a viscosity index improver, and the weight addition amount of the viscosity index improver is 0.5-1.5 parts.

7. The synthetic power engine oil reinforcing agent according to claim 6, characterized in that: the viscosity index improver is polyalkyl lauryl methacrylate.

8. A method of preparing the synthetic power engine oil strengthening agent of any one of claims 1 to 7, characterized by: the method comprises the following steps:

s1, heating ethanol a to 40 ℃ under the protection of inert gas, then adding zinc boronate butyl thiocarbamate and zinc dibutyl dithiocarbamate, and stirring for 20-30min to obtain a mixture a, wherein the weight of pure ethanol a is 30% of the total weight of the mixture a;

s2, heating the ethanol b to 40 ℃ under the protection of inert gas, then adding hydroxyethylidene diphosphonic acid, zinc diamyl dithiocarbamate and sodium dibenzyl dithiocarbamate, and stirring for 40-50min to obtain a mixture b, wherein the weight of pure ethanol b is 40% of the total weight of the mixture b;

s3, heating ethanol c to 40 ℃ under the protection of inert gas, adding calcium dodecyl benzene sulfonate and succinimide, and stirring for 30-40min to obtain a mixture c, wherein the weight of pure ethanol c is 35% of the total weight of the mixture c;

s4, heating the natural gas-to-oil fuel to 50 ℃ under the protection of inert gas, adding the mixture a, the mixture b and the mixture c, stirring for 50-60min, adding molybdenum dialkyl dithiocarbamate, and continuously stirring for 30-40min to obtain a primary finished product;

and S5, under the condition of inert gas protection and continuous stirring, heating the primary finished product to 65 ℃, preserving heat for 30-40min, continuously heating to 75 ℃, preserving heat for 20-30min, continuously heating to 80 ℃, preserving heat for 10-20min, cooling and cooling to obtain the reinforcing agent.

9. The method of claim 8, wherein the step of preparing the synthetic power machine oil reinforcing agent comprises: and (4) condensing the gas mixture generated in the steps S4 and S5 to form non-condensable gas and ethanol, recycling the ethanol, and emptying the non-condensable gas after tail gas treatment.

10. The method of claim 8, wherein the step of preparing the synthetic power machine oil reinforcing agent comprises: in step S4, an antioxidant and a viscosity index improver are added simultaneously with the addition of molybdenum dialkyldithiocarbamate.

Technical Field

The invention relates to the technical field of power engine oil, in particular to a synthetic power engine oil reinforcing agent and a preparation method thereof.

Background

With the continuous development of the automobile industry, after a new automobile leaves a factory or an old automobile is overhauled, the fit clearance of each part is uneven, a running-in adjustment period of a certain distance needs to be carried out, engine oil is used as engine lubricating oil and can play the roles of lubrication, wear reduction, auxiliary cooling, sealing, leakage prevention, rust prevention, corrosion prevention, shock absorption, buffering and the like on the engine, the engine oil mainly comprises base oil, the base oil determines the basic property of the engine oil, and some manufacturers add nano particles into the base oil for increasing the wear resistance of the engine oil, but the nano particles are difficult to disperse uniformly, and are easy to generate movement and collision in the processes of storage and use, even form oil sludge, so that the quality of the engine oil is reduced rapidly.

Disclosure of Invention

The invention aims to provide a synthetic power machine oil reinforcing agent which can effectively improve the abrasion resistance of synthetic power machine oil and has the advantages of stable storage and use.

The technical purpose of the invention is realized by the following technical scheme:

a synthetic power machine oil reinforcing agent comprises, by weight, 48-60 parts of natural gas-to-oil fuel, 6-10 parts of molybdenum dialkyl dithiocarbamate, 5.5-8.5 parts of hydroxyethylidene diphosphonic acid, 3.3-4.9 parts of zinc diamyl dithiocarbamate, 3.4-4.7 parts of sodium dibenzyl dithiocarbamate, 6.6-9.6 parts of calcium dodecyl benzene sulfonate, 4-6 parts of succinimide and 2.5-3.5 parts of a synergist, wherein the synergist comprises zinc boro-butyl thiocarbamate and zinc dibutyl dithiocarbamate, and the weight ratio of the zinc boro-butyl thiocarbamate to the zinc dibutyl dithiocarbamate is (10-15): 1.

Preferably, the raw materials comprise, by weight, 53-58 parts of natural gas-to-oil fuel, 7-9 parts of molybdenum dialkyl dithiocarbamate, 6.6-8.1 parts of hydroxyethylidene diphosphonic acid, 3.5-4.4 parts of zinc diamyl dithiocarbamate, 3.7-4.3 parts of sodium dibenzyl dithiocarbamate, 7.4-8.2 parts of calcium dodecyl benzene sulfonate, 4.6-5.3 parts of succinimide and 2.8-3.2 parts of synergist, wherein the synergist comprises zinc boronate butyl thiocarbamate and zinc dibutyl dithiocarbamate, and the weight ratio of the zinc boronate butyl thiocarbamate to the zinc dibutyl dithiocarbamate is (11-13): 1.

By adopting the technical scheme, the synergistic effect between the zinc boronized butyl thiocarbamate and the zinc dibutyl dithiocarbamate and the synergistic effect between the raw materials of the reinforcing agent improve the wear resistance of the synthetic power engine oil, ensure good kinematic viscosity and stability of the surface of the synthetic power engine oil, and simultaneously ensure that the reinforcing agent has the advantages of storage stability and stable use.

More preferably, the zinc boronate butyl thiocarbamate is hydrolysis-resistant TB-206.

By adopting the technical scheme, the zinc boronized butyl thiocarbamate TB-206 not only can effectively improve the wear resistance of the synthetic power engine oil, but also has good hydrolysis resistance, and when water is mixed in the engine oil, the zinc boronized butyl thiocarbamate can well exist, so that the synthetic power engine oil can keep good wear resistance.

More preferably, the reinforcing agent further comprises an antioxidant, and the weight addition amount of the antioxidant is 1-4 parts.

More preferably, the antioxidant is 2,2' -methylenebis (4-ethyl-6-tert-butylphenol).

By adopting the technical scheme, the 2,2' -methylene bis (4-ethyl-6-tert-butylphenol) antioxidant is added into the reinforcing agent, so that the influence of microorganisms, oxygen and ultraviolet rays on the reinforcing agent is reduced, and the storage time and the service time of the reinforcing agent are prolonged.

More preferably, the reinforcing agent further comprises a viscosity index improver, and the weight addition amount of the viscosity index improver is 0.5-1.5 parts.

More preferably, the viscosity index improver is a polyalkyl lauryl methacrylate.

By adopting the technical scheme, the polyalkyl dodecyl methacrylate viscosity index improver is added into the reinforcing agent, and the viscosity index improver improves the viscosity of the reinforcing agent, so that the reinforcing agent keeps good fluidity, and the preparation of the reinforcing agent and the synthetic power engine oil is convenient.

The second purpose of the invention is to provide a method for preparing the synthetic power machine oil reinforcing agent, which adds ethanol in the process of mixing the reinforcing agent raw materials, so that the raw materials are mixed more uniformly, the stability and efficiency of raw material mixing are improved, and the preparation of the reinforcing agent is easier to control and more stable.

The technical purpose of the invention is realized by the following technical scheme:

a method for preparing the synthetic power engine oil reinforcing agent comprises the following steps:

s1, heating ethanol a to 40 ℃ under the protection of inert gas, then adding zinc boronate butyl thiocarbamate and zinc dibutyl dithiocarbamate, and stirring for 20-30min to obtain a mixture a, wherein the weight of pure ethanol a is 30% of the total weight of the mixture a;

s2, heating the ethanol b to 40 ℃ under the protection of inert gas, then adding hydroxyethylidene diphosphonic acid, zinc diamyl dithiocarbamate and sodium dibenzyl dithiocarbamate, and stirring for 40-50min to obtain a mixture b, wherein the weight of pure ethanol b is 40% of the total weight of the mixture b;

s3, heating ethanol c to 40 ℃ under the protection of inert gas, adding calcium dodecyl benzene sulfonate and succinimide, and stirring for 30-40min to obtain a mixture c, wherein the weight of pure ethanol c is 35% of the total weight of the mixture c;

s4, heating the natural gas-to-oil fuel to 50 ℃ under the protection of inert gas, adding the mixture a, the mixture b and the mixture c, stirring for 50-60min, adding molybdenum dialkyl dithiocarbamate, and continuously stirring for 30-40min to obtain a primary finished product; and S5, under the condition of inert gas protection and continuous stirring, heating the primary finished product to 65 ℃, preserving heat for 30-40min, continuously heating to 75 ℃, preserving heat for 20-30min, continuously heating to 80 ℃, preserving heat for 10-20min, cooling and cooling to obtain the reinforcing agent.

By adopting the technical scheme, ethanol is added into the mixture a, the mixture b and the mixture c and is used as a dissolving promoter and a diluent, so that the uniformity, stability and efficiency of the mixture a, the mixture b and the mixture c are effectively improved.

Preferably, the gas mixture generated in steps S4 and S5 is condensed to form noncondensable gas and ethanol, the ethanol is recycled, and the noncondensable gas is discharged after being treated by tail gas.

By adopting the technical scheme, the ethanol volatilized in the steps S4 and S5 is recycled, so that the pollution of ethanol gas to the environment is reduced, and the production cost of the reinforcing agent is reduced.

More preferably, in step S4, an antioxidant and a viscosity index improver are added simultaneously with the addition of the molybdenum dialkyldithiocarbamate.

By adopting the technical scheme, the antioxidant and the viscosity index modifier are added into the reinforcing agent, so that the stability of the reinforcing agent is improved, and the reinforcing agent keeps good kinematic viscosity.

In conclusion, the invention has the following beneficial effects:

first, the synthetic power machine oil reinforcing agent of the present invention can effectively improve the abrasion resistance of the synthetic power machine oil through the synergistic effect of the raw materials, and has the advantages of stable storage and use.

And secondly, the natural gas-to-oil fuel is used as a dissolving promoter and a diluent, so that the raw materials are mixed more uniformly and more stably, the production cost of the reinforcing agent is reduced, the pollution of the reinforcing agent to the environment is reduced, and the reinforcing agent shows good abrasion resistance, flowability and stability through the synergistic effect of the zinc boronized butyl thiocarbamate and the zinc dibutyl dithiocarbamate.

Thirdly, the antioxidant and the viscosity index modifier are added into the reinforcing agent, so that the stability of the reinforcing agent is improved, and the reinforcing agent keeps good fluidity.

Fourthly, according to the method for preparing the synthetic power machine oil reinforcing agent, ethanol is added in the process of mixing the raw materials of the reinforcing agent, so that the raw materials are mixed more uniformly, the stability and the efficiency of mixing the raw materials are improved, and the preparation of the reinforcing agent is easier to control and more stable.

Detailed Description

The present invention will be described in further detail with reference to examples. It should be understood that the preparation methods described in the examples are only for illustrating the present invention and are not to be construed as limiting the present invention, and that the simple modifications of the preparation methods of the present invention based on the concept of the present invention are within the scope of the present invention as claimed.

TABLE 1 example the contents (unit: Kg) of the respective raw materials of the synthetic power engine oil