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Petrol additive

A gasoline additive and solvent technology, applied in the field of gasoline additives, can solve the problems of high cost of additives, difficulty in popularization and application, and high price

Inactive Publication Date: 2007-01-10
上海腾飞化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The cost of the additive is high, and the price of the ester is relatively expensive, and it is not easy to obtain, so it is difficult to popularize and apply

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Weigh 4 grams of alkyl polyoxyethylene polyoxypropylene ether (R is an alkyl group with a carbon number of 12-14, m=4, n=7, R' is -H), 2 grams of polyol fatty acid ester polyoxygen Vinyl ether (R is an alkyl group with 17 carbons, a+b+c+d=18-22) is added to a reactor containing 20 grams of diesel oil, and after stirring for 5 minutes, continue to add 50 grams of polyisobutylene succinyl Imine, 24 grams of zinc diisooctyldithiophosphate, heated the feed solution to 30-40° C., and stirred for 10 minutes to prepare the additive (1), whose composition is listed in Table 1.

[0038] Add 5 grams of above-mentioned additives (1) in 1 kilogram of pure gasoline. Compared with pure gasoline under the same conditions of use (same engine, same mileage, same engine speed or same vehicle speed), the fuel saving rate of gasoline with additives is 9.2%, and the reduction of pollutants in exhaust gas is 38.5% respectively. , HC decreased by 45.0%.

Embodiment 2

[0040] Weigh 4 grams of alkyl polyoxyethylene polyoxypropylene ether (R is an alkyl group with a carbon number of 12-14, m=4, n=7, R' is -H), 2 grams of polyol fatty acid ester polyoxygen Vinyl ether (R is an alkyl group with 17 carbons, a+b+c+d=18-22) is added to a container containing 30 grams of diesel oil, and after stirring for 5 minutes, continue to add 45 grams of polyisobutylene succinyl Amine, 19 grams of zinc diisooctyldithiophosphate, the feed solution was heated to 30-40 ° C, and then stirred for 10 minutes to prepare the additive (2), the composition of which is listed in Table 1.

[0041] Add 5 grams of above-mentioned additives (2) in 1 kilogram of pure gasoline. Compared with pure gasoline under the same conditions of use (same engine, same mileage, same engine speed or same vehicle speed), the fuel saving rate of gasoline with additives is 5.2%, and the reduction of pollutants in exhaust gas is 23.6% respectively. , HC decreased by 29.8%.

Embodiment 3

[0043]Weigh 50 grams of polyisobutylene succinimide and 24 grams of zinc diisooctyl dithiophosphate, add them into a container containing 26 grams of diesel oil, heat the feed solution to 30-40 ° C, and stir for 10 minutes to prepare Obtain additive (3), its composition is listed in Table 1.

[0044] Add 5 grams of above-mentioned additive (3) in 1 kilogram of pure gasoline. Compared with pure gasoline under the same conditions of use (same engine, same mileage, same engine speed or same vehicle speed), the fuel saving rate of gasoline with additives is 5.0%, and the reduction of pollutants in exhaust gas is 23.0% respectively. , HC decreased by 29.1%.

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PUM

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Abstract

The invention relates to gasoline additive used to reduce oil consumption and dirt content in discharging end gas and its preparation and using methods. The additive contains polyisobutylene imide compound, dialkyl thio-phosphoric salt, alkyl polyoxyethylene polyoxy propylene ether, polyhydric alcohol fatty acid ester polyethenoxy ether, and solvent. And its preparation method includes the following steps: adding the above last three in proportion; mixing the first two in proportion; heating the mixture to 30-40 centigrade degree; and stirring. Its addition level is 0.05%-0.5%. And its advantages are that it has the performance of oxidation resistance and anticorrosion etc; and it can reduce oil consumption and dirt content in discharging end gas.

Description

technical field [0001] The invention relates to a gasoline additive, a preparation method and a use method of the additive. technical background [0002] Improving the cleanliness of gasoline for vehicles and making gasoline fully combustible are issues of great concern in the chemical industry and the automobile industry. Especially in the gasoline currently used in my country, the proportion of catalytic cracked gasoline is still quite high, so the problem of gasoline oxidation to form gum, paint film and deposits is still relatively serious. To solve this problem, in addition to producing clean gasoline with reduced olefin content in refineries, adding additives to finished gasoline is a common method in the chemical industry at home and abroad, as described in CN1035115C, CN1046131C and EP0654524A. [0003] The method commonly used in this field relates to a kind of gasoline composite additive as CN1035115C, and described additive is made of alkenyl succinimide, alkylph...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L1/26
Inventor 铁政
Owner 上海腾飞化工有限公司
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