阅读说明：本技术 一种高稳定性环保型甲基硅油 (High-stability environment-friendly methyl silicone oil ) 是由 杨珊瑛 张祖欣 苏建筑 吴雅凤 于 2021-09-17 设计创作，主要内容包括：本发明涉及甲基硅油技术领域,且公开了一种高稳定性环保型甲基硅油,含氟醇50-80份、烯丙基氯10-30份、水溶液10-15份、八甲基环四硅氧烷20-30份、六甲基二硅氮烷10-15份、催化剂1-5份、二甲基硅油20-50份、甲基油10-20份、抗氧剂1-3份、乙醇胺和苯甲醇2-5份、聚乙烯醇1-5份、硅酸钾2-4份、氢氟烃类物质1-2份,通过在二甲基硅油和基础油内部添加抗氧剂、乙醇胺和苯甲醇等材料,使该甲基硅油具有良好的稳定性能,且润滑效果强,改善了机件的摩擦润滑状态,延长了机件的使用寿命；通过在二甲基硅油和基础油内部添加聚乙烯醇、硅酸钾和氢氟烃类物质使该甲基硅油具备广泛的兼容性,使用过程中,几乎不产生或很少产生消耗大气臭氧层物质,同时又提高阻燃性能。(The invention relates to the technical field of methyl silicone oil, and discloses high-stability environment-friendly methyl silicone oil which comprises 50-80 parts of fluorine-containing alcohol, 10-30 parts of allyl chloride, 10-15 parts of aqueous solution, 20-30 parts of octamethylcyclotetrasiloxane, 10-15 parts of hexamethyldisilazane, 1-5 parts of catalyst, 20-50 parts of dimethyl silicone oil, 10-20 parts of methyl oil, 1-3 parts of antioxidant, 2-5 parts of ethanolamine and benzyl alcohol, 1-5 parts of polyvinyl alcohol, 2-4 parts of potassium silicate and 1-2 parts of hydrofluorocarbon substance, by adding materials such as antioxidant, ethanolamine, benzyl alcohol and the like into the dimethyl silicone oil and the base oil, the methyl silicone oil has good stability, the lubricating effect is strong, the friction lubricating state of the machine part is improved, and the service life of the machine part is prolonged; the methyl silicone oil has wide compatibility by adding polyvinyl alcohol, potassium silicate and hydrofluorocarbon substances into the dimethyl silicone oil and the base oil, and almost no or little substances consuming the atmospheric ozone layer are generated in the using process, and meanwhile, the flame retardant property is improved.)

1. The high-stability environment-friendly methyl silicone oil is characterized in that: comprises the following materials: 50-80 parts of fluorine-containing alcohol, 10-30 parts of allyl chloride, 10-15 parts of a water solution, 20-30 parts of octamethylcyclotetrasiloxane, 10-15 parts of hexamethyldisilazane, 1-5 parts of a catalyst, 20-50 parts of simethicone, 10-20 parts of methyl oil, 1-3 parts of an antioxidant, 2-5 parts of ethanolamine and benzyl alcohol, 1-5 parts of polyvinyl alcohol, 2-4 parts of potassium silicate and 1-2 parts of a hydrofluorocarbon substance.

2. The high-stability environment-friendly methyl silicone oil according to claim 1, characterized in that; heating 50-80% of fluorine-containing alcohol, 10-30% of allyl chloride and 10-15% of aqueous solution to 50-55 ℃, wherein the alkali content in the aqueous solution is 10%, and then obtaining mixed aqueous solution.

3. The environment-friendly type methyl silicone oil with high stability as claimed in claim 2, characterized in that: octamethylcyclotetrasiloxane 20-30 and hexamethyldisilazane 10-15 were mixed by adding nitrogen gas and stirred until uniform, after which a mixture was obtained.

4. The environment-friendly type methyl silicone oil with high stability as claimed in claim 3, wherein: the method comprises the following processing steps:

s1, heating the mixed aqueous solution, mixing and stirring, and heating to 60-65 ℃ after stirring;

s2, adding the mixture into the mixed aqueous solution, stirring, and then heating to 70-150 ℃ to obtain a mixture;

s3, adding an antioxidant and methyl oil into the mixture, and then carrying out mixing reaction for 2-4 h;

s4, mixing and stirring 1-3 parts of antioxidant, 2-5 parts of ethanolamine and benzyl alcohol, 1-5 parts of polyvinyl alcohol, 2-4 parts of potassium silicate and 1-2 parts of hydrofluorocarbon substances for 10-15 minutes, and then heating to 130-180 ℃;

s5, placing the mixture, cooling to 50-60 ℃, adding the simethicone, and increasing the internal viscosity to 3-200 mpa.s.

5. The environment-friendly type methyl silicone oil with high stability as claimed in claim 4, wherein: the stirring speed in the S1 is 10-30 circles/min.

6. The environment-friendly type methyl silicone oil with high stability as claimed in claim 4, wherein: and the mixing reaction time in the S is increased or decreased according to the amount of the antioxidant and the methyl oil added.

7. The environment-friendly type methyl silicone oil with high stability as claimed in claim 4, wherein: the hydrofluorocarbon materials include hydrochlorofluoroalkanes and chlorofluoroalkanes.

8. The environment-friendly type methyl silicone oil with high stability as claimed in claim 4, wherein: and the mixture in the S5 is naturally placed for cooling.

Technical Field

The invention relates to the technical field of methyl silicone oil, in particular to high-stability environment-friendly methyl silicone oil.

Background

The methyl silicone oil is colorless, tasteless and not easy to volatilize; it is insoluble in water, methanol and glycol, can be mutually dissolved with benzene, dimethyl ether, methyl ethyl ketone, carbon tetrachloride or kerosene, and has very small vapor pressure and higher flash point and ignition point. The methyl silicone oil has excellent heat resistance, electric insulation, weather resistance, hydrophobicity, physiological inertia and smaller surface tension, and also has low viscosity-temperature coefficient and higher compression resistance.

The primary form dimethyl cyclosiloxane is an organic-inorganic compound which is synthesized by hydrolyzing dimethyl dichlorosilane serving as a main raw material, takes a silicon-oxygen (Si-O) bond as a main chain and is directly connected with an organic group on a silicon atom. The primary form dimethyl cyclosiloxane molecular structure is annular, mainly comprises hexamethylcyclotrisiloxane (D3), octamethylcyclotetrasiloxane (D4), decamethylcyclopentasiloxane (D5), dodecamethylcyclohexasiloxane (D6), hexamethylcyclotrisiloxane (D3), or octamethylcyclotetrasiloxane (D4), or decamethylcyclopentasiloxane (D5) and or dodecamethylcyclohexasiloxane (D6), and is colorless transparent or milky liquid with the content of more than 50 percent, is combustible, free of peculiar smell, insoluble in water and soluble in organic solvents such as benzene.

The prior methyl silicone oil has lower stability in the use process, is not environment-friendly enough, and can cause pollution to the environment when in use.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the high-stability environment-friendly methyl silicone oil, which has the advantages of ensuring the stability of the methyl silicone oil in the use process, improving the environment friendliness of the methyl silicone oil in the use process and the like, and solves the problems of low stability, insufficient environment friendliness and environmental pollution in the use process of the methyl silicone oil.

(II) technical scheme

In order to realize the purposes of ensuring the stability of the methyl silicone oil in the using process and improving the environment-friendly property of the methyl silicone oil in the using process, the invention provides the following technical scheme: the environment-friendly type methyl silicone oil with high stability comprises the following materials: 50-80 parts of fluorine-containing alcohol, 10-30 parts of allyl chloride, 10-15 parts of a water solution, 20-30 parts of octamethylcyclotetrasiloxane, 10-15 parts of hexamethyldisilazane, 1-5 parts of a catalyst, 20-50 parts of simethicone, 10-20 parts of methyl oil, 1-3 parts of an antioxidant, 2-5 parts of ethanolamine and benzyl alcohol, 1-5 parts of polyvinyl alcohol, 2-4 parts of potassium silicate and 1-2 parts of a hydrofluorocarbon substance.

Further, 50-80 percent of fluorine-containing alcohol, 10-30 percent of allyl chloride and 10-15 percent of aqueous solution are heated to 50-55 ℃, and the alkali content in the aqueous solution is 10 percent, so as to obtain mixed aqueous solution.

Further, octamethylcyclotetrasiloxane 20-30 and hexamethyldisilazane 10-15 were mixed by adding nitrogen gas and stirred until uniform, and then a mixture was obtained.

Further, the high-stability environment-friendly methyl silicone oil comprises the following processing steps:

s1, heating the mixed aqueous solution, mixing and stirring, and heating to 60-65 ℃ after stirring.

And S2, adding the mixture into the mixed aqueous solution, stirring, and then heating to 70-150 ℃ to obtain a mixture.

And S3, adding an antioxidant and methyl oil into the mixture, and then carrying out mixing reaction for 2-4 h.

S4, mixing and stirring 1-3 parts of antioxidant, 2-5 parts of ethanolamine and benzyl alcohol, 1-5 parts of polyvinyl alcohol, 2-4 parts of potassium silicate and 1-2 parts of hydrofluorocarbon substances for 10-15 minutes, and then heating to 130-180 ℃.

S5, placing the mixture, cooling to 50-60 ℃, adding the simethicone, and increasing the internal viscosity to 3-200 mpa.s.

Further, the stirring speed in the S1 is 10-30 circles/min.

Furthermore, the mixing reaction time in the S is increased or decreased according to the amount of the antioxidant and the methyl oil added.

Further, the hydrofluorocarbon material includes hydrochlorofluoroalkanes and chlorofluoroalkanes.

Further, the mixture in the S5 is naturally placed for cooling.

Compared with the prior art, the invention provides high-stability environment-friendly methyl silicone oil, which has the following beneficial effects:

1. by adding materials such as an antioxidant, ethanolamine, benzyl alcohol and the like into the dimethyl silicone oil and the base oil, the methyl silicone oil has good stability and strong lubricating effect, greatly improves the friction lubricating state of a machine part, and prolongs the service life of the machine part; the methyl silicone oil has wide compatibility by adding polyvinyl alcohol, potassium silicate and hydrofluorocarbon substances into the dimethyl silicone oil and the base oil, almost no or little substances which consume the atmospheric ozone layer are generated in the using process, and the flame retardant property is improved, so the methyl silicone oil is beneficial to environmental protection and safety, is environment-friendly, and has zero ozone consumption potential.

Detailed Description

The first embodiment is as follows:

the environment-friendly type methyl silicone oil with high stability comprises the following materials: 80 parts of fluorine-containing alcohol, 30 parts of allyl chloride, 15 parts of aqueous solution, 30 parts of octamethylcyclotetrasiloxane, 15 parts of hexamethyldisilazane, 5 parts of catalyst, 50 parts of dimethyl silicone oil, 20 parts of methyl oil, 3 parts of antioxidant, 5 parts of ethanolamine and benzyl alcohol, 5 parts of polyvinyl alcohol, 4 parts of potassium silicate and 2 parts of hydrofluorocarbon substance.

Further, the fluorine-containing alcohol 80, the allyl chloride 30 and the aqueous solution 15 were heated to 55 ℃ and the alkali content in the aqueous solution was 10%, to obtain a mixed aqueous solution.

Further, octamethylcyclotetrasiloxane 30 and hexamethyldisilazane 15 were mixed by adding nitrogen gas and stirred until uniform, and then a mixture was obtained.

Further, the high-stability environment-friendly methyl silicone oil comprises the following processing steps:

and S1, heating the mixed aqueous solution, mixing and stirring, and heating to 65 ℃ after stirring.

And S2, adding the mixture into the mixed aqueous solution, stirring, and then heating to 150 ℃ to obtain a mixture.

And S3, adding an antioxidant and methyl oil into the mixture, and then carrying out mixing reaction for 4 hours.

S4, mixing 3 parts of antioxidant, 5 parts of ethanolamine and benzyl alcohol, 5 parts of polyvinyl alcohol, 4 parts of potassium silicate and 2 parts of hydrofluorocarbon, stirring for 15 minutes, and then heating to 180 ℃.

And S5, placing the mixture, cooling to 60 ℃, adding the dimethyl silicone oil, and increasing the internal viscosity to 200 mpa.s.

Example two:

the environment-friendly type methyl silicone oil with high stability comprises the following materials: 50 parts of fluorine-containing alcohol, 10 parts of allyl chloride, 10 parts of aqueous solution, 20 parts of octamethylcyclotetrasiloxane, 10 parts of hexamethyldisilazane, 1 part of catalyst, 20 parts of dimethyl silicone oil, 10 parts of methyl oil, 1 part of antioxidant, 2 parts of ethanolamine and benzyl alcohol, 1 part of polyvinyl alcohol, 2 parts of potassium silicate and 1 part of hydrofluorocarbon substance.

Further, the fluorine-containing alcohol 50, the allyl chloride 10 and the aqueous solution 10 were heated to 50 ℃ and the alkali content in the aqueous solution was 10%, to obtain a mixed aqueous solution.

Further, octamethylcyclotetrasiloxane 20 and hexamethyldisilazane 10 were mixed by adding nitrogen gas and stirred until uniform, after which a mixture was obtained.

Further, the high-stability environment-friendly methyl silicone oil comprises the following processing steps:

and S1, heating the mixed aqueous solution, mixing and stirring, and heating to 60 ℃ after stirring.

And S2, adding the mixture into the mixed aqueous solution, stirring, and then heating to 70 ℃ to obtain a mixture.

And S3, adding an antioxidant and methyl oil into the mixture, and then carrying out mixing reaction for 2 hours.

S4, mixing 1 part of antioxidant, 2 parts of ethanolamine and benzyl alcohol, 1 part of polyvinyl alcohol, 2 parts of potassium silicate and 1 part of hydrofluorocarbon, stirring for 10 minutes, and heating to 130 ℃.

And S5, placing the mixture, cooling to 50 ℃, adding the dimethyl silicone oil, and increasing the internal viscosity to 3 mpa.s.

Example three:

the environment-friendly type methyl silicone oil with high stability comprises the following materials: 50 parts of fluorine-containing alcohol, 10 parts of allyl chloride, 10 parts of aqueous solution, 20 parts of octamethylcyclotetrasiloxane, 10 parts of hexamethyldisilazane, 5 parts of catalyst, 20 parts of dimethyl silicone oil, 10 parts of methyl oil, 3 parts of antioxidant, 5 parts of ethanolamine and benzyl alcohol, 5 parts of polyvinyl alcohol, 4 parts of potassium silicate and 2 parts of hydrofluorocarbon substance.

Further, the fluorine-containing alcohol 50, the allyl chloride 10 and the aqueous solution 10 were heated to 50 ℃ and the alkali content in the aqueous solution was 10%, to obtain a mixed aqueous solution.

Further, octamethylcyclotetrasiloxane 20 and hexamethyldisilazane 10 were mixed by adding nitrogen gas and stirred until uniform, after which a mixture was obtained.

Further, the high-stability environment-friendly methyl silicone oil comprises the following processing steps:

and S1, heating the mixed aqueous solution, mixing and stirring, and heating to 60 ℃ after stirring.

And S2, adding the mixture into the mixed aqueous solution, stirring, and then heating to 70 ℃ to obtain a mixture.

And S3, adding an antioxidant and methyl oil into the mixture, and then carrying out mixing reaction for 4 hours.

S4, mixing 3 parts of antioxidant, 5 parts of ethanolamine and benzyl alcohol, 5 parts of polyvinyl alcohol, 4 parts of potassium silicate and 2 parts of hydrofluorocarbon, stirring for 10 minutes, and then heating to 180 ℃.

And S5, placing the mixture, cooling to 50 ℃, adding the dimethyl silicone oil, and increasing the internal viscosity to 3 mpa.s.

Example four:

the environment-friendly type methyl silicone oil with high stability comprises the following materials: 80 parts of fluorine-containing alcohol, 30 parts of allyl chloride, 15 parts of aqueous solution, 30 parts of octamethylcyclotetrasiloxane, 15 parts of hexamethyldisilazane, 1 part of catalyst, 50 parts of dimethyl silicone oil, 20 parts of methyl oil, 1 part of antioxidant, 2 parts of ethanolamine and benzyl alcohol, 1 part of polyvinyl alcohol, 2 parts of potassium silicate and 1 part of hydrofluorocarbon substance.

Further, the fluorine-containing alcohol 80, the allyl chloride 30 and the aqueous solution 15 were heated to 55 ℃ and the alkali content in the aqueous solution was 10%, to obtain a mixed aqueous solution.

Further, octamethylcyclotetrasiloxane 30 and hexamethyldisilazane 15 were mixed by adding nitrogen gas and stirred until uniform, and then a mixture was obtained.

Further, the high-stability environment-friendly methyl silicone oil comprises the following processing steps:

and S1, heating the mixed aqueous solution, mixing and stirring, and heating to 65 ℃ after stirring.

And S2, adding the mixture into the mixed aqueous solution, stirring, and then heating to 70 ℃ to obtain a mixture.

And S3, adding an antioxidant and methyl oil into the mixture, and then carrying out mixing reaction for 2 hours.

S4, mixing 1 part of antioxidant, 2 parts of ethanolamine and benzyl alcohol, 1 part of polyvinyl alcohol, 2 parts of potassium silicate and 1 part of hydrofluorocarbon, stirring for 15 minutes, and heating to 130 ℃.

And S5, placing the mixture, cooling to 60 ℃, adding the dimethyl silicone oil, and increasing the internal viscosity to 3 mpa.s.

Example five:

the environment-friendly type methyl silicone oil with high stability comprises the following materials: 65 parts of fluorine-containing alcohol, 15 parts of allyl chloride, 12 parts of aqueous solution, 25 parts of octamethylcyclotetrasiloxane, 12 parts of hexamethyldisilazane, 3 parts of catalyst, 40 parts of dimethyl silicone oil, 15 parts of methyl oil, 2 parts of antioxidant, 3 parts of ethanolamine and benzyl alcohol, 3 parts of polyvinyl alcohol, 3 parts of potassium silicate and 1.5 parts of hydrofluorocarbon substance.

Further, the fluorine-containing alcohol 65, the allyl chloride 20 and the aqueous solution 12 were heated to 53 ℃ and the alkali content in the aqueous solution was 10%, to obtain a mixed aqueous solution.

Further, octamethylcyclotetrasiloxane 25 and hexamethyldisilazane 12 were mixed by adding nitrogen gas and stirred until uniform, and then a mixture was obtained.

Further, the high-stability environment-friendly methyl silicone oil comprises the following processing steps:

and S1, heating the mixed aqueous solution, mixing and stirring, and heating to 63 ℃ after stirring.

And S2, adding the mixture into the mixed aqueous solution, stirring, and then heating to 110 ℃ to obtain a mixture.

And S3, adding an antioxidant and methyl oil into the mixture, and then carrying out mixing reaction for 3 hours.

S4, mixing and stirring 2 parts of antioxidant, 3 parts of ethanolamine and benzyl alcohol, 3 parts of polyvinyl alcohol, 3 parts of potassium silicate and 1.5 parts of hydrofluorocarbon for 13 minutes, and then heating to 160 ℃.

S5, placing the mixture, cooling to 50-60 ℃, adding the simethicone, and increasing the internal viscosity to 100 mpa.s.

Example six: the environment-friendly type methyl silicone oil with high stability comprises the following materials: 80 parts of fluorine-containing alcohol, 30 parts of allyl chloride, 15 parts of aqueous solution, 30 parts of octamethylcyclotetrasiloxane, 10-15 parts of hexamethyldisilazane, 1 part of catalyst, 50 parts of dimethyl silicone oil, 20 parts of methyl oil, 1 part of antioxidant, 2 parts of ethanolamine and benzyl alcohol, 1 part of polyvinyl alcohol, 2 parts of potassium silicate and 1 part of hydrofluorocarbon substance.

Further, the fluorine-containing alcohol 80, the allyl chloride 30 and the aqueous solution 15 were heated to 55 ℃ and the alkali content in the aqueous solution was 10%, to obtain a mixed aqueous solution.

Further, octamethylcyclotetrasiloxane 30 and hexamethyldisilazane 15 were mixed by adding nitrogen gas and stirred until uniform, and then a mixture was obtained.

Further, the high-stability environment-friendly methyl silicone oil comprises the following processing steps:

and S1, heating the mixed aqueous solution, mixing and stirring, and heating to 65 ℃ after stirring.

And S2, adding the mixture into the mixed aqueous solution, stirring, and then heating to 150 ℃ to obtain a mixture.

And S3, adding an antioxidant and methyl oil into the mixture, and then carrying out mixing reaction for 2 hours.

S4, mixing 1 part of antioxidant, 2 parts of ethanolamine and benzyl alcohol, 1 part of polyvinyl alcohol, 2 parts of potassium silicate and 1 part of hydrofluorocarbon, stirring for 15 minutes, and heating to 180 ℃.

And S5, placing the mixture, cooling to 60 ℃, adding the dimethyl silicone oil, and increasing the internal viscosity to 200 mpa.s.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.