阅读说明：本技术 一种保洁型汽油清净剂及其制备方法与使用方法 (Cleaning type gasoline detergent as well as preparation method and using method thereof ) 是由 李德威 石俊峰 于 2020-04-27 设计创作，主要内容包括：本发明公开了一种保洁型汽油清净剂及其制备方法与使用方法,该保洁型汽油清净剂按重量份包括如下原料组分制成：聚异丁烯胺5～35份,聚醚胺10～40份,聚醚携带油5～50份,辛烷值改进剂5～15份,溶剂油10～60份,防锈剂0.2～1.0份,破乳剂0.1～0.5份,抗氧剂0.5～1.2份,摩擦改进剂0.5～3份,其中,所述聚醚携带油为聚环氧丁烷、聚环氧丁烷和环氧丙烷的共聚物,或环氧丙烷的共聚物,并提供该清净剂的制备方法与使用方法,本发明的保洁型汽油清净剂不仅可以抑制和清洗发动机喷油嘴、进气阀和燃烧室积碳,而且可以提高燃油热效率,减少尾气有害物质排放,延长发动机使用寿命。(The invention discloses a cleaning gasoline detergent, a preparation method and a use method thereof, wherein the cleaning gasoline detergent is prepared from the following raw materials in parts by weight: 5-35 parts of polyisobutene amine, 10-40 parts of polyether amine, 5-50 parts of polyether carrying oil, 5-15 parts of octane number improver, 10-60 parts of solvent oil, 0.2-1.0 part of antirust agent, 0.1-0.5 part of demulsifier, 0.5-1.2 parts of antioxidant and 0.5-3 parts of friction improver, wherein the polyether carrying oil is a copolymer of polybutylene oxide, polybutylene oxide and propylene oxide or a copolymer of propylene oxide.)

1. A cleaning type gasoline detergent is characterized by comprising the following raw material components in parts by weight: 5-35 parts of polyisobutene amine, 10-40 parts of polyether amine, 5-50 parts of polyether carrying oil, 5-15 parts of octane number improver, 10-60 parts of solvent oil, 0.2-1.0 part of antirust agent, 0.1-0.5 part of demulsifier, 0.5-1.2 parts of antioxidant and 0.5-3 parts of friction improver, wherein the polyether carrying oil is a copolymer of polybutylene oxide, polybutylene oxide and propylene oxide or a copolymer of propylene oxide.

2. The clean-keeping gasoline detergent as claimed in claim 1, which is characterized in that: the structural formula of the polyisobutene amine is as follows:

wherein Y is 13-18, and the weight average molecular weight is 800-1200.

3. The clean-keeping gasoline detergent as claimed in claim 1, which is characterized in that: the structural formula of the polyether amine is as follows:

wherein R is alkyl or aryl hydrocarbon with 15-20 carbon atoms, X is 13-17, and the weight average molecular weight is 800-1200.

4. The clean-keeping gasoline detergent as claimed in claim 1, which is characterized in that: the polyether carrying oil has a carbon-oxygen ratio of 3.5 or more, a weight average molecular weight of 800-1200, and a molecular weight distribution of 1.06-1.08.

5. The clean-keeping gasoline detergent as claimed in claim 1, which is characterized in that: the octane improver is a mixture of ethyl tert-butyl ether and xylene.

6. The clean-keeping gasoline detergent as claimed in claim 1, which is characterized in that: the solvent oil is dearomatization solvent oil.

7. The clean-keeping gasoline detergent as claimed in claim 1, which is characterized in that: the antioxidant is one of antioxidant T501, antioxidant T502, antioxidant T511 or antioxidant T531.

8. The clean-keeping gasoline detergent as claimed in claim 1, which is characterized in that: the friction modifier is YFL-828 or HITEC 6457.

9. A preparation method of the cleaning type gasoline detergent as claimed in claim 1 is characterized by comprising the following steps: mixing the polyisobutene amine, the polyether carrying oil, the octane number improver, the solvent oil, the antirust agent, the demulsifier, the antioxidant and the friction improver at the temperature of not higher than 60 ℃, and stirring until the mixture is transparent.

10. A use method of the cleaning type gasoline detergent as claimed in claim 1 is characterized by comprising the following steps: the clean-keeping gasoline detergent is added into gasoline according to the dosage of 300-600 ppm.

Technical Field

The invention relates to a cleaning agent, a preparation method and a use method thereof, in particular to a cleaning type gasoline cleaning agent, a preparation method and a use method thereof.

Background

Unstable components such as aromatic hydrocarbon and olefin in gasoline are easy to generate oxidation and condensation reactions at a high temperature, carbon deposition is generated in an oil nozzle, an air inlet valve and a combustion chamber of an engine, normal injection and atomization mixed combustion of fuel is seriously influenced, and as a result, idling is unstable, acceleration performance is poor, oil consumption is increased, the service life of the engine is shortened, and meanwhile, harmful gas emission is increased, and environmental pollution is caused. How to keep the good working condition of the automobile, make the more abundant burning of petrol, reduce the oil consumption, reduce exhaust emission, this fuel intake system who requires automobile engine keeps clean for a long time. Some owners choose to remove the cleaning method to clean the carbon deposit in the fuel system, which may result in the precision of the metal parts being damaged, and the cost and time are high. At present, the gasoline detergent has poor cleaning effect on deposits at an oil nozzle, and the deposits in a combustion chamber are obviously increased when the gasoline detergent is used in an excessive amount.

Disclosure of Invention

The purpose of the invention is as follows: the first purpose of the invention is to provide a clean gasoline detergent with good cleaning effect, improved fuel oil thermal efficiency and reduced emission of harmful substances in tail gas, the second purpose of the invention is to provide a preparation method of the clean gasoline detergent, and the third purpose of the invention is to provide a using method of the clean gasoline detergent.

The technical scheme is as follows: the cleaning gasoline detergent of the invention is prepared from the following raw materials in parts by weight: 5-35 parts of polyisobutene amine, 10-40 parts of polyether amine, 5-50 parts of polyether carrying oil, 5-15 parts of octane number improver, 10-60 parts of solvent oil, 0.2-1.0 part of antirust agent, 0.1-0.5 part of demulsifier, 0.5-1.2 parts of antioxidant and 0.5-3 parts of friction improver, wherein the polyether carrying oil is a copolymer of polybutylene oxide, polybutylene oxide and propylene oxide or a copolymer of propylene oxide.

Further, the structural formula of the polyisobutene amine is as follows:

wherein Y is 13-18, and the weight average molecular weight is 800-1200.

Preferably, the polyisobutylene amine is a KEROCOM PIBA, available from BASF, germany, or one of Keropur 3448N, 3458N, or 3699C, available from BASF.

Further, the structural formula of the polyetheramine is:

wherein R is alkyl or aryl hydrocarbon with 15-20 carbon atoms, X is 13-17, and the weight average molecular weight is 800-1200.

Preferably, the polyetheramine is commercially available from HUNTSMAN corporation, usaOne of FL-1000, B-100 or MNPA-1000.

Further, the carbon-oxygen ratio of the polyether carrying oil is 3.5 or more, the weight average molecular weight is 800-1200, the molecular weight distribution is 1.06-1.08, the octane number improver is a mixture of ethyl tert-butyl ether and xylene, the solvent oil is dearomatization solvent oil, and the dearomatization solvent oil is added to ensure that all additives can be fully dissolved, so that a stable system is obtained.

Preferably, the solvent oil is one of solvent oil D80, solvent oil NL-8, isododecane or No. 3 white oil.

Further, the antioxidant is one of antioxidant T501, antioxidant T502, antioxidant T511 or antioxidant T531.

Preferably, the antirust agent is an antirust agent T746 or an antirust agent T747; the demulsifier is one of demulsifier T1001, demulsifier SP169 or demulsifier BAKERT 9310.

Further, the friction modifier is YFL-828 or HITEC 6457.

The preparation method of the cleaning type gasoline detergent disclosed by the invention comprises the following steps of: mixing the polyisobutene amine, the polyether carrying oil, the octane number improver, the solvent oil, the antirust agent, the demulsifier, the antioxidant and the friction improver at the temperature of not higher than 60 ℃, and stirring until the mixture is transparent.

The use method of the cleaning gasoline detergent of the invention comprises the following steps: the clean-keeping gasoline detergent is added into gasoline according to the dosage of 300-600 ppm.

Has the advantages that: compared with the prior art, the invention has the following remarkable advantages: the clean-keeping gasoline detergent can inhibit and clean carbon deposition in an engine oil nozzle, an air inlet valve and a combustion chamber, can ensure that fuel oil is more fully combusted in an automobile engine, improves the heat efficiency, reduces the oil consumption, reduces the emission of harmful substances in tail gas, and prolongs the service life of the engine.

Drawings

FIG. 1 is a front view of an automotive cylinder according to the present invention;

FIG. 2 is a cleaned view of an automotive cylinder according to the present invention.

Detailed Description

The following examples further illustrate the technical solution of the present invention, and all the following components are commercially available.