Macromolecules: Synthesis of New Polyphosphazene Elastomers

Harry R. Allcock; Gayann S. McDonnell; James L. Desorcie

doi:10.1021/ma00219a001

Macromolecules: Synthesis of New Polyphosphazene Elastomers

Harry R. Allcock, Gayann S. McDonnell, James L. Desorcie

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17 Scopus citations

Abstract

The cyclic phosphazenes N₃P₃F₆(CMe₃), N₃P₃F₆Ph, non-geffi-N₃P₃Cl₄Me₂ non-gem- N₃P₃Cl₄Et₂, (NPClMe)₃, and (NPClMe)₄ have been polymerized to macromolecules of formula [(NPF₂)₂-NPFR]_n, [NPC1₂(NPClR)₂]_n, and (NPClR)_n. Species (NPClMe)₃ and (NPClEt)₃ were copolymerized with (NPCl₂)₃ to yield polymers of type [(NPCl₂)_x(NPClR)_y]_n. The halogen atoms in the high polymers were replaced by trifluoroethoxy groups to yield hydrolytically stable derivatives. The influence of the alkyl or aryl groups on the properties of the polymers is described. The new polymers are elastomers, with glass transition temperatures in the -40 to -60 °C range.

Original language	English (US)
Pages (from-to)	3873-3877
Number of pages	5
Journal	Macromolecules
Volume	23
Issue number	17
DOIs	https://doi.org/10.1021/ma00219a001
State	Published - Jan 1 1990

All Science Journal Classification (ASJC) codes

Organic Chemistry
Polymers and Plastics
Inorganic Chemistry
Materials Chemistry

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title = "Macromolecules: Synthesis of New Polyphosphazene Elastomers",

abstract = "The cyclic phosphazenes N3P3F6(CMe3), N3P3F6Ph, non-geffi-N3P3Cl4Me2 non-gem- N3P3Cl4Et2, (NPClMe)3, and (NPClMe)4 have been polymerized to macromolecules of formula [(NPF2)2-NPFR]n, [NPC12(NPClR)2]n, and (NPClR)n. Species (NPClMe)3 and (NPClEt)3 were copolymerized with (NPCl2)3 to yield polymers of type [(NPCl2)x(NPClR)y]n. The halogen atoms in the high polymers were replaced by trifluoroethoxy groups to yield hydrolytically stable derivatives. The influence of the alkyl or aryl groups on the properties of the polymers is described. The new polymers are elastomers, with glass transition temperatures in the -40 to -60 °C range.",

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year = "1990",

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doi = "10.1021/ma00219a001",

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T1 - Macromolecules

T2 - Synthesis of New Polyphosphazene Elastomers

AU - Allcock, Harry R.

AU - McDonnell, Gayann S.

AU - Desorcie, James L.

PY - 1990/1/1

Y1 - 1990/1/1

N2 - The cyclic phosphazenes N3P3F6(CMe3), N3P3F6Ph, non-geffi-N3P3Cl4Me2 non-gem- N3P3Cl4Et2, (NPClMe)3, and (NPClMe)4 have been polymerized to macromolecules of formula [(NPF2)2-NPFR]n, [NPC12(NPClR)2]n, and (NPClR)n. Species (NPClMe)3 and (NPClEt)3 were copolymerized with (NPCl2)3 to yield polymers of type [(NPCl2)x(NPClR)y]n. The halogen atoms in the high polymers were replaced by trifluoroethoxy groups to yield hydrolytically stable derivatives. The influence of the alkyl or aryl groups on the properties of the polymers is described. The new polymers are elastomers, with glass transition temperatures in the -40 to -60 °C range.

AB - The cyclic phosphazenes N3P3F6(CMe3), N3P3F6Ph, non-geffi-N3P3Cl4Me2 non-gem- N3P3Cl4Et2, (NPClMe)3, and (NPClMe)4 have been polymerized to macromolecules of formula [(NPF2)2-NPFR]n, [NPC12(NPClR)2]n, and (NPClR)n. Species (NPClMe)3 and (NPClEt)3 were copolymerized with (NPCl2)3 to yield polymers of type [(NPCl2)x(NPClR)y]n. The halogen atoms in the high polymers were replaced by trifluoroethoxy groups to yield hydrolytically stable derivatives. The influence of the alkyl or aryl groups on the properties of the polymers is described. The new polymers are elastomers, with glass transition temperatures in the -40 to -60 °C range.

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ER -

Macromolecules: Synthesis of New Polyphosphazene Elastomers

Abstract

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