Electroinitiated polymerization of methyl methacrylate in aqueous sulfuric acid
β Scribed by Gianfranco Pistoia; Alessandro Ricci; Maria Antonietta Voso
- Publisher
- John Wiley and Sons
- Year
- 1976
- Tongue
- English
- Weight
- 574 KB
- Volume
- 20
- Category
- Article
- ISSN
- 0021-8995
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π SIMILAR VOLUMES
Polymerization of methyl methacrylate (MMA) was carried out in aqueous sulfuric acid medium at 3OoC using ammonium ceric sulfate (ACS)/methyl ethyl ketone ( M E K ) and ammonium ceric sulfate/acetone as redox initiator systems. A short induction period was observed with both the initiator systems, a
The effect of quartz, burnt quartz and ammonium phosphate on the polymerization of methyl methacrylate in aqueous medium using sodium bisulfite as initiator is studied. The quartz ore has a higher catalytic effect than the burnt quartz. The effect of the additives on the polymerization rate, on the
When methyl methacrylate is polymerized in aqueous medium in the presence of gelatin, graft copolymer macromolecules with gelatine backbones and poly(methy1 methacrylate) (PMMA) grafts are formed. Due to the presence of graft copolymer, polymolecular micelles consisting of about 100 macromolecules a
The rate enhancing effects of aromatic solvents (1-fluoro-, 1-chloro-, l-bromonaphthalene and toluene) on the photo-and thermal sensitized polymerization of methyl methacrylate by azoinitiators at 25 Β° and 60 Β° respectively were investigated by measuring ko, k, and R, by means of rate, molecular wei