The polymerization of methacrylamide initiated by the redox system potassium persulphate/2‐mercaptoethanol has been studied. The order of the reaction with respect to methacrylamide was found to be one with deviation at higher concentration of the monomer. At optimum concentration of potassium persulphate and 2‐mercaptoethanol the order of the polymerization reaction is 0.5 with respect to both persulphate and 2‐mercaptoethanol. The effect of the polymerization conditions on the intrinsic viscosities and the influence of additives on the rate of polymerization were investigated.
The aqueous polymerization of methacrylamide was studied by using persulphatel malic acid and persulphate/ethanolamine redox pairs under nitrogen atmosphere.The order with respect to persulphate was found to be one half with both the redox systems. Malic acid and ethanolamine show half order and zero order, respectively. Methacrylamide has first order dependence on the rate of polymerization initiated by K,&Q-malic acid system and one and half order dependance on the rate of polymerization initiated by K,&Q -ethanolamine redox pair. Viscometric average molecular weight was determined for the samples obtained under different kinetic conditions.
ZUSAMMENFASSUNG:Die Polymerisation von Methacrylamid wurde in wabriger Phase unter Verwendung von Persulfat/Apfelsaure und Persulfat/Ethanolamin als Redox-Systeme unter Stickstoff untersucht. Bezuglich des Persulfats wurde fiir beide Falle eine Reaktion erster Ordnung gefunden, fur ApfelsBure ergab sich die Ordnung 1/2, fur Ethanolamin nullte Ordnung. Fur Methacrylamid wurde im Ansatz mit K,&Q/b;pfelsaure erste Ordnung und im Ansatz mit K,&Q/Ethanolarnin die Ordnung 1,5 gefunden. Das mittlere Molekulargewicht wurde viskosimetrisch fur die unter verschiedenen Bedingungen erhaltenen Proben bestimmt.
Acta Polymerica 38 (1987) Nr. 9 532 der uhcrgaiibrstc.inI,c~ratrir Ti. Dieselbe hbliiiilgigkeit hat Bi fur die 1,und A,-Ubergange im SKMS-10. Dcr 2,ubergang im SKB und die Ad-,
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