Hydroxyl functional azo compounds have been used as reducing agents in redox polymerization of methyl methacrylate (MMA) in conjunction with ceric ammonium nitrate (which acts as a n oxidizing agent in aqueous nitric acid a t 20°C). Kinetic measurements were followed by gravimetric method, at lower
Aqueous polymerization of acrylamide initiated by redox pair: Ce(IV)—Azo compounds with methylol functional groups
✍ Scribed by Umit Tunca
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 371 KB
- Volume
- 31
- Category
- Article
- ISSN
- 0014-3057
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✦ Synopsis
The polymerization of acrylamide (AAm) initiated by redox pair: the ceric ammonium nitrate[Ce(IV)]-hydroxy containing thermolabile azo compounds (R) has been investigated in aqueous nitric acid at 20°C. It was determined that how the rate of polymerization depends on [AAm], [R] (1 or 2) and [Ce(IV)], respectively. The relationships between degree of polymerization and AAm-, R-, and Ce(IV)-concentrations were also evaluated.
📜 SIMILAR VOLUMES
Polymerization of acrylamide using Ce(IV) with poly(ethylene glycol) having azo and hydroxyl functions, was carried out to yield acrylamide-(ethylene glycol) block copolymers with labile azo linkages in the main chains. These prepolymers were used to induce the radical polymerization of acrylonitril