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Polymerization of methyl methacrylate by the binary system of the copper–amine complex type resin and carbon tetrachloride

✍ Scribed by Koyama, Kiyoshi ;Nishimura, Masato

Publisher
Wiley (John Wiley & Sons)
Year
1972
Tongue
English
Weight
318 KB
Volume
10
Category
Article
ISSN
0449-296X

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✦ Synopsis

Abstract

The polymerization of vinyl monomers initiated by binary initiator systems composed of a copper–amine complex type resin and organic halides has been studied. These binary systems initiated the polymerization of various vinyl monomers. A kinetic study of the polymerization of methyl methacrylate initiated by the copper–amine complex resin–CCl~4~ system was carried out, and it was found that the polymerization proceeds by way of a radical mechanism. This fact was also supported by the copolymerization of methyl methacrylate with styrene. The overall activation energy of the polymerization of methyl methacrylate was estimated as 8.4 kcal/mole. The activity of the initiator systems was greatly dependent upon the dissociation energy of carbon–halogen bonds in the organic halides. A possible initiation mechanism with the binary systems is proposed and discussed.

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Polymerization of methyl methacrylate by imidazole–carbon tetrachloride charge-transfer system
✍ Aradhana Goswami; Shashi D. Baruah; Narendra N. Dass 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 English ⚖ 615 KB

The kinetics of charge-transfer (CT) polymerization of methyl methacrylate (MMA) in the presence of imidazole (Imy) and CCI, was studied in dimethyl sulfoxide (DMSO) at 60°C. The rate of polymerization (R,) is sensitive t o the [CCl,] up to a concentration of 0.60 mol L-I, but at a higher concentrat