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Polymerization kinetics of polyacrylamide gels. III. Effect of catalysts

โœ Scribed by Pier Giorgio Righetti; Cecilia Gelfi; Adriana Bianchi Bosisio

Publisher
John Wiley and Sons
Year
1981
Tongue
English
Weight
482 KB
Volume
2
Category
Article
ISSN
0173-0835

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๐Ÿ“œ SIMILAR VOLUMES

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## Abstract The temperature at which polyacrylamide gels are polymerized strongly affects the structure and physical properties of this matrix. The suggested temperature of 0โ€“4 ยฐC has been found to produce highly turbid, highly porous and unelastic gels. At temperature of 25 ยฐC of higher, the gels

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In the present communication the effect of p-toluenesulfonic acid catalyst on thermal polymerization of shellac has been investigated. The difference in activation energy for uncatalyzed and catalyzed reaction, has been computed to be 7.4 kcal. when c = 0.1%. The activation energy for uncatalyzed r