INVERSE EMULSION POLYMERIZATION OF ACRYLAMIDE: POLYMERIZATION KINETICS AND PROCESS DEVELOPMENT

J.W. Vanderhoff Emulsion Polymers Institute and Departments of Chemistry and Chemical Engineering, Lehigh University, Bethlehem, Pennsylvania, 18015

F.V. DiStefano Emulsion Polymers Institute and Departments of Chemistry and Chemical Engineering, Lehigh University, Bethlehem, Pennsylvania, 18015

M.S. El-Aasser Emulsion Polymers Institute and Departments of Chemistry and Chemical Engineering, Lehigh University, Bethlehem, Pennsylvania, 18015

R. O'Leary Emulsion Polymers Institute and Departments of Chemistry and Chemical Engineering, Lehigh University, Bethlehem, Pennsylvania, 18015

O.M. Shaffer Emulsion Polymers Institute and Departments of Chemistry and Chemical Engineering, Lehigh University, Bethlehem, Pennsylvania, 18015

D.L. Visioli Emulsion Polymers Institute and Departments of Chemistry and Chemical Engineering, Lehigh University, Bethlehem, Pennsylvania, 18015

ABSTRACT

Inverse emulsion polymerization confers the benefits of emulsion polymerization kinetics — rapid polymerization rates combined with high polymer molecular weights — on water-soluble polymers, particularly polyacrylamide and its copolymers and derivatives, and allows easy dissolution of the polymer in water by inversion of the latex. The mechanism and kinetics of the inverse emulsion polymerization of acrylamide in o-xylene containing Tetronic 1102 emulslfier and benzoyl peroxide initiator are described, particularly the formation of 10-200nm multiple emulsion droplets resulting from the particulate emulsifier, and their effect on the polymerization process

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INVERSE EMULSION POLYMERIZATION OF ACRYLAMIDE: POLYMERIZATION KINETICS AND PROCESS DEVELOPMENT

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INVERSE EMULSION POLYMERIZATION OF ACRYLAMIDE: POLYMERIZATION KINETICS AND PROCESS DEVELOPMENT

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