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  • 1
    Digitale Medien
    Digitale Medien
    Bognor Regis [u.a.] : Wiley-Blackwell
    Journal of Polymer Science Part A: Polymer Chemistry 36 (1998), S. 2757-2761 
    ISSN: 0887-624X
    Schlagwort(e): free radical polymerization ; high-conversion model ; solvent effect ; Chemistry ; Polymer and Materials Science
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Notizen: Free radical dispersion polymerization of styrene in a mixture of 2-propanol and tetrahydrofuran was carried out at 70°C up to high conversions. The influence of the change of the critical chain length on the evolution of the insoluble polymer component was examined. Monomer conversion and the formation of the insoluble polymer component were measured in order to test a mathematical model presented in our previous article. The critical polymer chain length i0, the initiation rate constant kd, and the ratio kp/kt1/2, where kp and kt are propagation and termination rate constants, respectively, have been obtained and compared with those reported in the literature. © 1998 John Wiley & Sons, Inc. J Polym Sci A: Polym Chem 36: 2757-2761, 1998
    Zusätzliches Material: 6 Ill.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Bognor Regis [u.a.] : Wiley-Blackwell
    Journal of Polymer Science Part A: Polymer Chemistry 35 (1997), S. 1799-1807 
    ISSN: 0887-624X
    Schlagwort(e): polymerization kinetics ; mathematical model ; latex particles ; light scattering ; flow cytometry ; Chemistry ; Polymer and Materials Science
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Notizen: A mathematical model of the basic polymerization kinetic scheme, that involves only initiation, propagation, and termination reactions, has been developed. It was assumed that the propagation and termination rate constants are independent of the chain length. It has been shown that the model predicts the effect of autoacceleration on the formation of the insoluble polymer component. In order to demonstrate the applicability of the mathematical model for description of dispersion radical polymerization, the evolution of the size distribution of growing polystyrene particles has been measured with the Flying Light-Scattering Indicatrix method. © 1997 John Wiley & Sons, Inc. J Polym Sci A: Polym Chem 35: 1799-1807, 1997
    Zusätzliches Material: 3 Ill.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
    BibTip Andere fanden auch interessant ...
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