Encapsulation of MTBE octane booster by inverse mini-emulsion polymerization

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Azim Seid hamid reza; FARZI GHOLAMALI

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Journal: APPLIED RESEARCH IN CHEMICAL POLYMER ENGINEERING Year:2018 | Volume:2 | Issue:2 Page(s): 29-39

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Title

Encapsulation of MTBE octane booster by inverse mini-emulsion polymerization

Author(s)

Azim Seid hamid reza | FARZI GHOLAMALI | Issue Writer Certificate

Keywords

MTBE inverse mini-emulsion nanocapsul gasoline octane number poly methyl metacrylate

Abstract

Methyl Tert-butyl Ether(MTBE) has been used as a booster in gasoline octane numbers in many countries, but after a short time due to the high absorption in water and the possibility of entry into groundwater, its use in developed countries is prohibited. In this work, for the first time, to reduce the adverse environmental effects, MTBE was encapsulated, and release control was considered. For this purpose, the inverse mini-emulsion polymerization of monomer methylmethacrylate(MMA) was performed in the presence of MTBE and in the cyclohexane medium by oil/water/oil. Poly methyl methacrylate/MTBE nanocapsules were synthesized in 0. 5, 1, 2 ratios of MTBE to methyl methacrylate (R = MTBE / MMA). The effect of changing R values on conversion polymerization, on encapsulation efficiency of MTBE and on the morphology of capsules was investigated. For this purpose, TGA and TEM were used. Changing the R ratio from 0. 5 to 2 allowed the capsule to be controlled in the range of 50-500 nm. The start of the MTBE degradation range of 130 ° C increased to 250 ° C due to the presence of the MTBE inside the capsule, and it was possible to start controlling the release of the nucleus by heating and starting at a temperature of 250 ° C. By addition of 1. 5% of the capsules to the gasoline, the octane number increased by 5 units. According to the results inverse mini-emulsion polymerization is a suitable method for encapsulating and reducing the environmental effects of MTBE by limiting its contact with the environment.

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APA: Copy

Azim, Seid hamid reza, & FARZI, GHOLAMALI. (2018). Encapsulation of MTBE octane booster by inverse mini-emulsion polymerization. APPLIED RESEARCH IN CHEMICAL POLYMER ENGINEERING, 2(2 ), 29-39. SID. https://sid.ir/paper/267765/en

Vancouver: Copy

Azim Seid hamid reza, FARZI GHOLAMALI. Encapsulation of MTBE octane booster by inverse mini-emulsion polymerization. APPLIED RESEARCH IN CHEMICAL POLYMER ENGINEERING[Internet]. 2018;2(2 ):29-39. Available from: https://sid.ir/paper/267765/en

IEEE: Copy

Seid hamid reza Azim, and GHOLAMALI FARZI, “Encapsulation of MTBE octane booster by inverse mini-emulsion polymerization,” APPLIED RESEARCH IN CHEMICAL POLYMER ENGINEERING, vol. 2, no. 2 , pp. 29–39, 2018, [Online]. Available: https://sid.ir/paper/267765/en

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