KINETIC STUDY OF ZINC STEARATE FORMATION IN SOLID PHASE AND EFFECT OF WATER AND ACIDIC CATALYSTS ON IT

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ASHRAFI F.; OFTADE M.; BEHBOODI AMLESHI A.

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Journal: PEYKE NOOR JOURNAL SCIENCE Year:2008 | Volume:1 | Issue:4 Page(s): 10-19

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Title

KINETIC STUDY OF ZINC STEARATE FORMATION IN SOLID PHASE AND EFFECT OF WATER AND ACIDIC CATALYSTS ON IT

Author(s)

ASHRAFI F. | OFTADE M. | BEHBOODI AMLESHI A. | Issue Writer Certificate

Keywords

METALLIC SOAPSQ3

SOLID PHASE REACTIONQ3

ZINC STEARATEQ3

ACIDIC CATALYSTQ3

MECHANISM OF REACTIONQ3

Abstract

METALLIC SOAPS, are the salt of fatty acids, that have, widely industrial uses in cosmetic, pharmacy, rubber, polymer and petrochemistry and also, as a anti foamier and dam proof. One of the most important METALLIC SOAPS and useful in industries is metallic stearates. In this research, we have studied the kinetic of formation of ZINC STEARATE ((C17H35COO) 2 Zn), from Zinc Hydroxide (Zn (OH) 2) and Zinc Oxide (ZnO) reagents, with stearic acid (C17H35COOH) in solid phase. The SOLID PHASE REACTION have been carried out in an electrical mixture as an agitating reactor, which in addition to milling the reagents, also, increase the interface between them. The optimum value of water in absence and presence of catalyst, and also, that of ACIDIC CATALYST have determined.Temperature changes have been measured as the more important environmental factor, in equal intervals respect to initial laboratory temperature. Finally, efficiency of reaction of zinc hydroxide with stearic acid in absence of catalyst and in best case has obtained 72.11%, which increased in presence of formic acid catalyst to 95.99%. For the reaction of zinc oxide with stearic acid, the efficiency in absence of catalyst and in best case has obtained 76.61%, which increased in presence of formic acid catalyst, to 91.98%.The efficiency of both reactions in presence of acetic acid catalyst, is approximately similar to formic acid catalyst but by considering the obtained results, formic acid is preferable one. The Changes of remained zinc value, reaction progress and changes of melting point draw for optimum conditions.For reliability of product formation, also, was have studied FT-IR spectra in the end of the reaction. Finally, for better understanding, we have described the MECHANISM OF REACTION of surfaces on basis of physicochemical aspects of them.

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APA: Copy

ASHRAFI, F., OFTADE, M., & BEHBOODI AMLESHI, A.. (2008). KINETIC STUDY OF ZINC STEARATE FORMATION IN SOLID PHASE AND EFFECT OF WATER AND ACIDIC CATALYSTS ON IT. PEYKE NOOR JOURNAL SCIENCE, 1(4), 10-19. SID. https://sid.ir/paper/203516/en

Vancouver: Copy

ASHRAFI F., OFTADE M., BEHBOODI AMLESHI A.. KINETIC STUDY OF ZINC STEARATE FORMATION IN SOLID PHASE AND EFFECT OF WATER AND ACIDIC CATALYSTS ON IT. PEYKE NOOR JOURNAL SCIENCE[Internet]. 2008;1(4):10-19. Available from: https://sid.ir/paper/203516/en

IEEE: Copy

F. ASHRAFI, M. OFTADE, and A. BEHBOODI AMLESHI, “KINETIC STUDY OF ZINC STEARATE FORMATION IN SOLID PHASE AND EFFECT OF WATER AND ACIDIC CATALYSTS ON IT,” PEYKE NOOR JOURNAL SCIENCE, vol. 1, no. 4, pp. 10–19, 2008, [Online]. Available: https://sid.ir/paper/203516/en

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