Improved Analysis of Copolymerization Involving Participation of Cormonomer Complexes

Cals, Rudolf E.; Farmer, R. G.; Hill, David J. T.; O’Donnell, James H.; O'Sullivan, Paul W.

doi:10.1021/i360075a024

Cited by 3 publications

References 6 publications

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Structures and compositions of copolymers

Harwood

1987

Makromolekulare Chemie. Macromolecular Symposia

190

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Although studies on reactions of model radicals with olefins are becoming of increasing importance, most understanding of copolymerization has come from studies on copolymer composition and monomer unit sequence distribution information. A number of models for copolymerization have resulted from such studies. For most copolymerization systems the terminal model provides an adequate representation, but more complicated models which allow for the effects of penultimate units on radical reactivity, for reversibility of propagation steps and for participation of monomer complexes in copolymerization processes must be considered in some cases. Modeling of such copolymerization systems is considerably simplified by computer‐oriented approaches such as matrix–multiplication, Monte Carlo simulation and CSMP or ACSL programming. Recent studies on solvent effects in copolymerizations involving polar monomers indicate that partitioning of monomers between solvent and growing polymer radicals is a very significant phenomenon.

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Structures and compositions of copolymers

Harwood

1987

Makromolekulare Chemie. Macromolecular Symposia

190

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The mechanism of copolymerization of maleic anhydride with styrene and with vinyl acetate

Brown

Fujimori

Craven

1989

J. Polym. Sci. A Polym. Chem.

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A nonaqueous potentiometric direct titration method was used to determine the composition diagrams for the copolymerization of maleic anhydride with styrene and with vinyl acetate in methyl ethyl ketone at 50°C. The data were analyzed using nonlinear least‐squares minimization routines to fit composition equations for the terminal, penultimate, and complex models directly. The applicability of each model to both systems were evaluated statistically. The penultimate model was found to best describe both systems, although in the case of the maleic anhydride/vinyl acetate system this was only a small improvement over the terminal model. Although significant comonomer complexation occurs in both systems, the complex model did not provide statistically significant improvement in fit to the data compared with the terminal model.

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Predicting and Measuring the Sequence Distribution of Addition Polymers

Montaudo

2010

Mathematical Approaches to Polymer Sequence Analysis and Related Problems

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Improved Analysis of Copolymerization Involving Participation of Cormonomer Complexes

Cited by 3 publications

References 6 publications

Structures and compositions of copolymers

Structures and compositions of copolymers

The mechanism of copolymerization of maleic anhydride with styrene and with vinyl acetate

Predicting and Measuring the Sequence Distribution of Addition Polymers

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