Monomer reactivity rations and dipole moments of styrne-4-vinylpyridine copolymers

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Date

1991

Author

Yılmaz, Elvan

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Subject Keywords

Styrene, Pyridine, Polymers and polymerization

URI

https://hdl.handle.net/11511/12034

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Graduate School of Natural and Applied Sciences, Thesis

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MONOMER REACTIVITY RATIOS OF STYRENE-4-VINYLPYRIDINE COPOLYMERS AT LOW AND HIGH CONVERSIONS YILMAZ, E; KUCUKYAVUZ, Z (Elsevier BV, 1993-01-01) Monomer reactivity ratios in free-radical copolymerization of styrene and 4-vinylpyridine monomers at 80-degrees-C in toluene solution under reduced pressure were determined for low and high conversions. Finemann-Ross, Kelen-Tudos, extended Kelen-Tudos and Mayo-Lewis methods were used for this purpose. The most reliable method was found to be the extended Kelen-Tudos method. By the use of this method, for conversions below 20%, monomer reactivity values of 0.700 +/- 0.005 and 0.335 +/- 0.001 were calculated...
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Citation Formats

E. Yılmaz, “Monomer reactivity rations and dipole moments of styrne-4-vinylpyridine copolymers,” Ph.D. - Doctoral Program, Middle East Technical University, 1991.