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Ultrasound Assisted Polymerization of N-vinyl Imidazole Under Phase-Transfer Catalysis Condition--A Kinetic Study

Ultrasound Assisted Polymerization of N-vinyl Imidazole Under Phase-Transfer Catalysis Condition--A Kinetic Study

Subramanian Loganathan, Venugopal Rajendran

Ultrason Sonochem. 2013 Jan;20(1):308-13.

PMID: 22922071

Abstract:

The kinetics of phase-transfer catalyzed radical polymerization of N-vinyl imidazole (NVI) using potassium peroxy disulfate (PDS) as water soluble initiator and tetraoctylammonium chloride (TOAC) as PTC has been investigated in ethyl acetate/water two phase system assisted by ultrasound irradiation at constant temperature 60 + 1 °C under nitrogen atmosphere. and. The rate of polymerization increases with an increase in concentrations of NVI, PTC and PDS. The order with respect to [NVI], [PTC], and [PDS] were found to be 1.01, 1.03 and 0.52 respectively. Based on the observed results a suitable mechanism has been proposed to account for the experimental observations followed by a discussion on its significance.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP3125073	Tetraoctylammonium chloride		3125-07-3	Price

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