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- W2023240424 abstract "Several aryldiazoalkanes (M2) have been copolymerized with phenyldiazomethane (M1) in toluene-methanol solution at 40°C, namely, the p-chloro-, p-methoxy-, p-mesyl-o and -p-methyl-, 2,4- and 3,4-dichlorophenyldiazoalkanes, and the α- and β- naphthyl-diazoalkanes. The copolymerization parameters r1 and r2 have been evaluated. By plotting 1/r1 against the Hammett σ values a negative ρ values was found equal to −0.88. From cationic copolymerizations carried out at −78°C in the presence of boron trifluoride-diethyl ether as catalyst a similar plot of 1/r1 against σ gives a value of ρ equal to −0.82. The negative sign and the agreement between these ρ values demonstrates the cationie mechanism of the methanol polymerization and copolymerization of aryldiazoalkanes." @default.
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- W2023240424 date "1970-11-01" @default.
- W2023240424 modified "2023-10-10" @default.
- W2023240424 title "Copolymerization of aryldiazomethanes" @default.
- W2023240424 doi "https://doi.org/10.1002/pol.1970.150081118" @default.
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