SYNTHESIS, CHARACTERIZATION AND INVESTIGATION OF CATALYTIC ACTIVITY OF NANOSPINELS CU1-XCOXFE2O4 IN TERT-BUTYLATION OF P-CRESOL

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FAREGHI ALAMDARI R.; HOSSEINABADI Z.

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Journal: JOURNAL OF ENERGETIC MATERIALS Year:2012 | Volume:7 | Issue:1 (14) Page(s): 27-37

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Title

SYNTHESIS, CHARACTERIZATION AND INVESTIGATION OF CATALYTIC ACTIVITY OF NANOSPINELS CU1-XCOXFE2O4 IN TERT-BUTYLATION OF P-CRESOL

Author(s)

FAREGHI ALAMDARI R. | HOSSEINABADI Z. | Issue Writer Certificate

Keywords

PROPELLANTQ4

TERT-BUTYLATIONQ3

ANTIOXIDANTQ3

CU1-XCOXFE2O4Q2

NANOSPINELQ3

ACIDITYQ3

Abstract

Use of ANTIOXIDANTs in composite PROPELLANTs formulation to import stability to the PROPELLANTs during storage time is unavoidable. In this paper, the synthesis of 2-t-butyl p-cresol intermediate for the preparation of A.O.2246 using of NANOSPINELs as catalyst is investigated. Tertiary butylation of p-cresol using of alkylating agents as methyl-tert-butyl ether and t-butyl alcohol is reconsidered using Cu1-xCoxFe2O4 (x = 0 to 1) NANOSPINELs as a function of temperature, mole ratio, type and catalyst composition, time and solvent. These catalysts were synthesized using hydrothermal method. Tertiary butylation of p-cresol gives two products, namely, 2-tert-butyl p-cresol and 2, 6-di-tert-butyl p-cresol. A good correlation was found between the activity, in terms of p-cresol conversion and various reaction product selectivity and the acid–base properties of catalysts. Cu0.5Co0.5Fe2O4, irrespective of the alkylating agents is most active catalyst. The only product of this reaction is 2-t-butyl p-cresol with selectivity of 100% and p-cresol conversion is 70%. These results illustrate the importance of a 1:1 combination of Cu and Co and the necessity for optimum concentrations of acid–base centers for this reaction. The characterization of these catalysts was investigated via X-ray diffraction (XRD).

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APA: Copy

FAREGHI ALAMDARI, R., & HOSSEINABADI, Z.. (2012). SYNTHESIS, CHARACTERIZATION AND INVESTIGATION OF CATALYTIC ACTIVITY OF NANOSPINELS CU_1-XCO_XFE₂O₄ IN TERT-BUTYLATION OF P-CRESOL. JOURNAL OF ENERGETIC MATERIALS, 7(1 (14)), 27-37. SID. https://sid.ir/paper/115368/en

Vancouver: Copy

FAREGHI ALAMDARI R., HOSSEINABADI Z.. SYNTHESIS, CHARACTERIZATION AND INVESTIGATION OF CATALYTIC ACTIVITY OF NANOSPINELS CU_1-XCO_XFE₂O₄ IN TERT-BUTYLATION OF P-CRESOL. JOURNAL OF ENERGETIC MATERIALS[Internet]. 2012;7(1 (14)):27-37. Available from: https://sid.ir/paper/115368/en

IEEE: Copy

R. FAREGHI ALAMDARI, and Z. HOSSEINABADI, “SYNTHESIS, CHARACTERIZATION AND INVESTIGATION OF CATALYTIC ACTIVITY OF NANOSPINELS CU_1-XCO_XFE₂O₄ IN TERT-BUTYLATION OF P-CRESOL,” JOURNAL OF ENERGETIC MATERIALS, vol. 7, no. 1 (14), pp. 27–37, 2012, [Online]. Available: https://sid.ir/paper/115368/en

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