Hindered, 1,1-disubstituted monomers. Chain transfer to benzene in the radical polymerisation of di- n-butyl itaconate

The transfer constant to benzene in the radical polymerisation of di- n-butyl itaconate, DBI, was measured at 60 °C and found to have the value of 2.2 × 10 −3. This value is surprisingly high considering that benzene has no readily extractable hydrogen atoms and is usually considered to be a relativ...

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Bibliographic Details
Published in:European polymer journal 2008-09, Vol.44 (9), p.3028-3031
Main Authors: Katsikas, Lynne, Milovanović, Miloš, Popović, Ivanka G.
Format: Article
Language:English
Subjects:
Applied sciences
Benzene
Di- n-butyl itaconate
Exact sciences and technology
Organic polymers
Physicochemistry of polymers
Polymerisation
Polymerization
Preparation, kinetics, thermodynamics, mechanism and catalysts
Transfer constant
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Summary:The transfer constant to benzene in the radical polymerisation of di- n-butyl itaconate, DBI, was measured at 60 °C and found to have the value of 2.2 × 10 −3. This value is surprisingly high considering that benzene has no readily extractable hydrogen atoms and is usually considered to be a relatively inert solvent in radical polymerisations. The high values of transfer constants in the radical polymerisation of itaconates must be taken into consideration when planning the tailored polymerisation of these monomers.
ISSN:0014-3057
1873-1945
DOI:10.1016/j.eurpolymj.2008.06.039