Copolymerization of trans-2,6-diazido-hexaphenylcyclophosphonitrile tetramer with 1,4-bis(diphenylphosphino)butane or 4,4′-bis(diphenylphosphino)biphenyl |
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| Authors: | Andrew J. Bilbo Clay M. Sharts |
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| Abstract: | Polymers [N(PN)4(C6H5)6N?P(C6H5)2(CH2)4P(C6H5)2]x and [N(PN)4(C6H5)6N?P–(C6H5)2C6H4C6H4P(C6H5)2]x have been formed by thermal copolymerization of trans-2,6-diazidohexaphenylcyclophosphonitrile [N3(PN)4(C6H5)6N3] with either 1,4-bis-(diphenylphosphino)butane [(C6H5)2P(CH2)4P(C6H5)2] or 4,4′-bis(diphenylphosphino)-biphenyl [(C6H5)2C6H4C6H4P(C6H5)2]. The maximum molecular weights obtained were about 10,000. A polymer endcapped with triphenyl phosphine was stable to 400°C. |
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