Quantitative Description of Polymerization Reactions by Means of Multiparameter Equations

Heublein, G.

doi:10.1080/00222338508063333

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1991

2011

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Cited by 4 publications

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“…)-(4).log kBulC1 = -17.881 + 18.143 g(q) + 8.7309 EF + 1.6681 x 1O-j C (2) ( N = 19; Y = 0.992; CJ = 0.204) log kButBr = -13.987 + 16.772 g(q) + 5.7570 E; + 1.9809 x lop3 C (3) ( N = 19; Y = 0.988; 0 = 0.225) log kBuli = -13.393 + 13.988 g(q) + 7.5177 + 1.1834 x lop3 C (4) ( N = 19; Y = 0.981; CJ = 0.264)…”

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confidence: 99%

Quantitative formulation of reactivity in terms of solvent and substrate properties. Solvolysis of tert-butyl halides in hydroxylic solvents

Gonçalves¹,

Simões²,

Albuquerque³

1991

J. Chem. Soc., Perkin Trans. 2

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confidence: 99%

Quantitative formulation of reactivity in terms of solvent and substrate properties. Solvolysis of tert-butyl halides in hydroxylic solvents

Gonçalves¹,

Simões²,

Albuquerque³

1991

J. Chem. Soc., Perkin Trans. 2

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References

2010

Solvents and Solvent Effects in Organic Chemistry

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Activity Monitoring for a Polymerization Catalyst System

Tracht

Leiberich

Wiesner

et al. 2011

Macromolecular Symposia

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Summary: Catalyst systems for polymerization often exhibit variable and poorly controllable activity because of strong influences of trace components and catalyst preparation conditions. In cationic polymerizations in particular, determining catalytic activity and hence the amount of catalyst to be used is challenging. The assessment of a given initiator system typically requires testing it in polymerization reactions. Determining catalytic activity before using the initiator in a polymerization reaction is a desirable approach. This contribution describes the development of such an activity monitoring tool. In the first part, results from a fundamental characterization of the system diethylaluminum chloride/ethylaluminum dichloride/water by different NMR measurements and elemental analysis are reported. Structures characteristic of catalytically active systems are presented. The second part describes the application of transmission IR to the characterization of this system and the correlation of IR results to catalytic activity in dimerization and polymerization reactions. Implementation of the IR analysis as an on‐line measurement is demonstrated.

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Quantitative Description of Polymerization Reactions by Means of Multiparameter Equations

Cited by 4 publications

References 21 publications

Quantitative formulation of reactivity in terms of solvent and substrate properties. Solvolysis of tert-butyl halides in hydroxylic solvents

Quantitative formulation of reactivity in terms of solvent and substrate properties. Solvolysis of tert-butyl halides in hydroxylic solvents

References

Activity Monitoring for a Polymerization Catalyst System

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