Polydialkylphosphazenes: New synthetic efforts and protonation reactions

Gallazzi, M. C.; Freddi, Giuliano; Sanvito, Gabriele; Viscardi, Giuseppe

doi:10.1007/bf01062510

Cited by 6 publications

(1 citation statement)

References 54 publications

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“…Polyphosphazene random and block copolymers with mixed alkoxy/alkoxyether substituents were subsequently prepared by the fluoride/anionic method and characterized [ 37 ]. Other examples include polyphosphazenes with alkyl or aryl substituents [ 38 ], polyphosphazenes with electronegative nitropropoxy groups bound to the phosphorus atom of the N -silylated phosphoranimine [ 39 ], polymerization of N -silyl- P -diethyl phosphoranimine with fluoride and phenoxide initiators [ 40 ], and P -tris(trifluoroethoxy)- N -trimethylsilyl phosphoranimine polymerized with water in the presence of N -methylimidazole initiator in diglyme solution polymerization [ 41 ].…”

Section: Introductionmentioning

confidence: 99%

Controlled Synthesis of Polyphosphazenes with Chain-Capping Agents

Matyjaszewski

Montague

2021

Molecules

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N-alkyl phosphoranimines were synthesized via the Staudinger reaction of four different alkyl azides with tris(2,2,2-trifluoroethyl) phosphite. N-adamantyl, N-benzyl, N-t-butyl, and N-trityl phosphoranimines were thoroughly characterized and evaluated as chain-capping compounds in the anionic polymerization of P-tris(2,2,2-trifluoroethoxy)-N-trimethylsilyl phosphoranimine monomer. All four compounds reacted with the active chain ends in a bulk polymerization, and the alkyl end groups were identified by 1H-NMR spectroscopy. These compounds effectively controlled the molecular weight of the resulting polyphosphazenes. The chain transfer constants for the monomer and N-benzyl phosphoranimine were determined using Mayo equation.

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Section: Introductionmentioning

confidence: 99%

Controlled Synthesis of Polyphosphazenes with Chain-Capping Agents

Matyjaszewski

Montague

2021

Molecules

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Polyphosphazenes

Allcock¹

2005

Encyclopedia of Inorganic Chemistry

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Polyphosphazenes comprise the largest class of inorganic polymers. During the past 10 years, new synthetic developments have arisen that allow carefully tailored macromolecules to be assembled with precise chain lengths and with access to star geometries and a range of hybrid phosphazene‐organic polymer systems. This has stimulated research in the use of polyphosphazenes in biomedicine, optoelectronics (photonics), lithium battery technology, and fuel cell membranes, as well as in new elastomers and hydrogels.

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Polyphosphazenes

Allcock¹

2005

Encyclopedia of Inorganic and Bioinorganic Chemistry

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Polydialkylphosphazenes: New synthetic efforts and protonation reactions

Cited by 6 publications

References 54 publications

Controlled Synthesis of Polyphosphazenes with Chain-Capping Agents

Controlled Synthesis of Polyphosphazenes with Chain-Capping Agents

Polyphosphazenes

Polyphosphazenes

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