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Takumi Taninaka

Osaka City University

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Publication

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European Polymer Journal | 1977

Cationic polymerization of styrene initiated by phosphorus oxychloride

Takumi Taninaka; Hideaki Uemura; Yuji Minoura

Abstract Cationic polymerization of styrene (St) initiated by phosphorus oxychloride was carried out at 30° in dichloromethane and nitrobenzene. The rate of polymerization was proportional to (POCl3) and (St)2. The degree of polymerization of the polymer decreased with increasing conversion in the range beyond 30% and increased with increasing (St) although it was independent of (POCl3) in both solvents. The rate and the degree of polymerization were enhanced with increasing dielectric constant of the mixed solvent composed of C6H5NO2, CH2Cl2, and benzene. Addition of water revealed a cocatalytic effect in both systems. The molecular weight distribution (MWD) of the polymer was studied.

Journal of Polymer Science Part A | 1975

Effect of triphenyl phosphite on the radical polymerization of styrene and methyl methacrylate

Takumi Taninaka; Takeshi Ogawa; Yuji Minoura

Journal of Polymer Science Part A | 1977

Cationic graft copolymerization of styrene onto poly(vinyl chloride) initiated by phosphorus trichloride

Takumi Taninaka; Kohji Iwamoto; Yuji Minoura

Journal of Polymer Science: Polymer Letters Edition | 2003

Effect of chlorophosphines on radical polymerization of styrene

Hideaki Uemura; Takumi Taninaka; Yuji Minoura

Macromolecular Chemistry and Physics | 1972

Effects of triphenyl phosphite on the radical polymerization of acrylonitrile

Takeshi Ogawa; Takumi Taninaka; Hiroshi Takada; Yuji Minoura

Journal of Polymer Science Part A | 1978

Effects of phosphorus oxychloride and phenylphosphonic dichloride on the radical polymerization of methyl methacrylate and styrene

Takumi Taninaka; Hideaki Uemura; Kohji Iwamoto; Yuji Minoura

Journal of Polymer Science Part A | 1975

Kinetic study of radical polymerization of acrylonitrile in the presence of triphenyl phosphite

Takumi Taninaka; Yuji Minoura

Journal of Polymer Science Part A | 1972

Effects of trivalent phosphorus compounds on vinyl polymerizations. II. Photopolymerization of acrylonitrile in the presence of triphenylphosphite

Takeshi Ogawa; Takumi Taninaka

Journal of Polymer Science Part A | 1978

Effects of chlorophosphines on the radical polymerization of methyl methacrylate

Hideaki Uemura; Takumi Taninaka; Yuji Minoura

Journal of Polymer Science Part A | 1976

Cationic polymerization of vinyl monomers initiated by phosphorus compounds containing halogens

Takumi Taninaka; Yuji Minoura

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Yuji Minoura

Osaka City University

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Takeshi Ogawa

Osaka City University

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Hideaki Uemura

Osaka City University

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Kohji Iwamoto

Osaka City University

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Hiroshi Takada

Osaka City University

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