Vinyl polymerization, 417. Identification of the initiating radical species in the polymerization of acrylonitrile in the presence of poly(ethylene glycol) in aqueous solution

Ouchi, Tatsuro; Hosaka, Yoshifumi; Imoto, Minoru; Konaka, Ryusei

doi:10.1002/marc.1983.030040413

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1983

1984

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Cited by 7 publications

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“…Copper (11) triflate3 was also found to catalyze these polymerizations. These experiments demonstrated that copper (11) and not copper (I) is the active catalyst with furan.…”

mentioning

confidence: 94%

“…Because of their aromatic character, the heteroatoms in both thiophene and furan are electron deficient, and consequently both heterocycles are poor ligands. It seems unlikely that thiophene or furan would participate in coordination to copper (11). Yet, in these acrolein copolymerizations, both furan or thiophene are integral ingredients of the initiation/polymerization reaction.…”

mentioning

confidence: 99%

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Catalyzed copolymerization of acrolein with furan and thiophene

Moore

Partain

1984

J. Polym. Sci. Polym. Chem. Ed.

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“…Copper (11) triflate3 was also found to catalyze these polymerizations. These experiments demonstrated that copper (11) and not copper (I) is the active catalyst with furan.…”

mentioning

confidence: 94%

mentioning

confidence: 99%

Catalyzed copolymerization of acrolein with furan and thiophene

Moore

Partain

1984

J. Polym. Sci. Polym. Chem. Ed.

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Vinyl polymerization. 416. Polymerization of vinyl monomer initiated by polyethyleneglycol

Ouchi

Hosaka

Beika

et al. 1983

J. Polym. Sci. Polym. Chem. Ed.

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The polymerization of vinyl monomer initiated by polyethyleneglycol (PEG) in aqueous solution was carried out at 85°C with shaking. Acrylonitrile (AN), methyl methacrylate (MMA), and methacrylic acid were polymerized by PEG–300 (M̄n = 300), whereas styrene was not. The effects of the amounts of monomer and PEG, the molecular weight of PEG, and the hydrophobic group at the end of PEG molecule on the polymerization were studied. The selectivity of vinyl monomer and the effect of the hydrophobic group are discussed according to “the concept of hard and soft hydrophobic areas and monomers.” The kinetics of the polymerization was investigated. The overall activation energy in the polymerization of AN was estimated as 37.9 kJ mol−1. The polymerization was effected by a radical mechanism.

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