Polymerization of hexachlorocyclotriphosphazene by sulphur and selenium

Kajiwara, Meisetsu; Miwa, E.

doi:10.1016/0032-3861(82)90086-6

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1991

1994

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Cited by 10 publications

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Melt polymerization of hexachlorocyclotriphosphazene in the presence of organotin (IV) compounds

Cho

Sohn

Jun

1993

J. Polym. Sci. A Polym. Chem.

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The melt polymerization of hexachlorocyclotriphosphazene to poly(dichlorophosphazene) has been studied in the presence of organotin (IV) compounds. Unlike other typical Lewis acids, diethyltin (IV) chloride, Et2SnCl2, has shown to be an inhibitor for the thermal polymerization of the trimer, raising the activation energy to 70 kcal/mol. Diethyltin(IV) chloride remarkably delayed the rate of polymerization and efficiently inhibited the crosslinking reaction, thus leading to an improvement in the yield of the linear polymer without sacrifice to its molecular weight. © 1993 John Wiley & Sons, Inc.

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