A mathematical model for polymerization of isoprene with  n ‐butyllithium in hexane | Zendy

Porter Raymond E. | Zendy; Ahmad Abu | Zendy; Anthony Rayford G. | Zendy

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A mathematical model for polymerization of isoprene with n ‐butyllithium in hexane

Author(s) -

Porter Raymond E.,

Ahmad Abu,

Anthony Rayford G.

Publication year - 1974

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.1974.070180618

Subject(s) - isoprene , polymerization , butyllithium , molar mass distribution , molar ratio , hexane , chemistry , polymer chemistry , organic chemistry , polymer , copolymer , catalysis

Isoprene was polymerized in batch reactors by use of bottle polymerization techniques at 30°, 40°, and 50°C at concentrations from 1 to 5 molar. Butyllithium concentration was varied from 0.005 to 0.03 molar. Isoprene and n ‐butyllithium conversions and molecular weight distributions were determined for different reaction times. Rate equations for the initiation and propagation reactions are presented. The importance of the association reactions in obtaining a narrow molecular weight distribution is illustrated.

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