Radiation‐initiated inverse emulsion polymerization of vinylpyrrolidone | Zendy

Taylor M. B. | Zendy; Gilbert R. D. | Zendy; Stannett V. T. | Zendy; Williams J. L. | Zendy

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Radiation‐initiated inverse emulsion polymerization of vinylpyrrolidone

Author(s) -

Taylor M. B.,

Gilbert R. D.,

Stannett V. T.,

Williams J. L.

Publication year - 1994

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.1994.070531013

Subject(s) - polyvinylpyrrolidone , emulsion polymerization , dispersity , polymer chemistry , polymer , polymerization , emulsion , molar mass distribution , n vinylpyrrolidone , chain transfer , materials science , chemical engineering , particle size , polymer science , chemistry , copolymer , radical polymerization , organic chemistry , composite material , engineering

The radiation‐induced inverse emulsion polyerization of vinylpyrrolidone using an isoparaffinic hydrocarbon and nonionic emulsifier blend is described. High molecular weight polyvinylpyrrolidone (PVP) (1 million to 2 million M v ) was readily obtained at rapid polmerization rates ( Rp ∼ 10–35 mol 1 −1 s −1 ) to high conversions (90–95%). The polydispersity of the polymer varied from 2.6 to 4.4, suggesting that chain transfer to the polymer had occurred. Adding a polymeric surfactant to the nonionic blend modified the polymerization rate and particle‐size distribution. © 1994 John Wiley & Sons, Inc.

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