Author: Robert H. Neilson
Publisher:
ISBN:
Category :
Languages : en
Pages : 6
Book Description
This program of research has been directed toward the development of new synthesis of polyphosphazenes, particularly those with alkyl and/or aryl substituents, via the elimination of substituted silanes from N-silylphosphinimines. The synthesis and characterization of both the new polymers and their precursors has been investigated. (Author).
Studies of Silicon-Nitrogen-Phosphorus Compounds Including a New Synthesis of Phosphazenes
Author: Robert H. Neilson
Publisher:
ISBN:
Category :
Languages : en
Pages : 6
Book Description
This program of research has been directed toward the development of new synthesis of polyphosphazenes, particularly those with alkyl and/or aryl substituents, via the elimination of substituted silanes from N-silylphosphinimines. The synthesis and characterization of both the new polymers and their precursors has been investigated. (Author).
Publisher:
ISBN:
Category :
Languages : en
Pages : 6
Book Description
This program of research has been directed toward the development of new synthesis of polyphosphazenes, particularly those with alkyl and/or aryl substituents, via the elimination of substituted silanes from N-silylphosphinimines. The synthesis and characterization of both the new polymers and their precursors has been investigated. (Author).
Synthesis of Silicon-Nitrogen-Phosphorus Compounds Including a New Synthesis of Phosphazenes
Author: Robert H. Neilson
Publisher:
ISBN:
Category :
Languages : en
Pages : 5
Book Description
This research under ARO sponsorship has been directed toward the synthesis, characterization, structural isomerization, and thermal decomposition reactions of new silicon-nitrogen-phosphorus compounds. Some of these compounds undergo smooth decomposition when heated to afford phosphazenes, oligomeric materials of general formula (NPRR')n.
Publisher:
ISBN:
Category :
Languages : en
Pages : 5
Book Description
This research under ARO sponsorship has been directed toward the synthesis, characterization, structural isomerization, and thermal decomposition reactions of new silicon-nitrogen-phosphorus compounds. Some of these compounds undergo smooth decomposition when heated to afford phosphazenes, oligomeric materials of general formula (NPRR')n.
New Synthesis of Phosphazene Polymers
Author: R. H. Neilson
Publisher:
ISBN:
Category :
Languages : en
Pages : 13
Book Description
The project involves a detailed study of the synthesis, characterization, and reactivity of silicon-nitrogen-phosphorus compounds, some of which are useful precursors to an important class of inorganic polymers known as polyphosphazenes. Our results include the successful development of a new, general, and direct method for the synthesis of such polymers including poly(dimethyl-phosphazene), (Me2PN)n. Thus, we report here the synthesis of a variety of new phosphazenes including several homopolymers, copolymers, crosslinked polymers, and transition metal containing polymers. The latter and many other new types of phosphazenes are now readily accessible by a recently discovered anion formation reaction of the polymer precursors.
Publisher:
ISBN:
Category :
Languages : en
Pages : 13
Book Description
The project involves a detailed study of the synthesis, characterization, and reactivity of silicon-nitrogen-phosphorus compounds, some of which are useful precursors to an important class of inorganic polymers known as polyphosphazenes. Our results include the successful development of a new, general, and direct method for the synthesis of such polymers including poly(dimethyl-phosphazene), (Me2PN)n. Thus, we report here the synthesis of a variety of new phosphazenes including several homopolymers, copolymers, crosslinked polymers, and transition metal containing polymers. The latter and many other new types of phosphazenes are now readily accessible by a recently discovered anion formation reaction of the polymer precursors.
Synthesis and Reactivity of 1-phosphadienes and P-acetylenic Silicon-nitrogen-phosphorus Compounds
Author: William R. Kucera
Publisher:
ISBN:
Category : Acetylene compounds
Languages : en
Pages : 170
Book Description
Publisher:
ISBN:
Category : Acetylene compounds
Languages : en
Pages : 170
Book Description
Research in Progress
Author:
Publisher:
ISBN:
Category : Military research
Languages : en
Pages : 834
Book Description
Publisher:
ISBN:
Category : Military research
Languages : en
Pages : 834
Book Description
Synthesis of Phosphorus-Nitrogen Polymers by Using Silicon-Nitrogen-Phosphorus Reagents
Author: P. Wisian-Neilson
Publisher:
ISBN:
Category :
Languages : en
Pages : 10
Book Description
Publisher:
ISBN:
Category :
Languages : en
Pages : 10
Book Description
Research in progress
Author: United States. Army Research Office, Research Triangle Park, N.C.
Publisher:
ISBN:
Category :
Languages : en
Pages : 156
Book Description
Publisher:
ISBN:
Category :
Languages : en
Pages : 156
Book Description
Technical Abstract Bulletin
Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 1048
Book Description
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 1048
Book Description
Scientific and Technical Aerospace Reports
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 704
Book Description
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 704
Book Description
Synthesis of Phosphorus-Nitrogen Polymers Using Si-N-P Reagents
Author: P. Wisian-Neilson
Publisher:
ISBN:
Category :
Languages : en
Pages : 12
Book Description
Many small-molecule Si-N-P compounds of appropriate design can function as precursors to various oligomeric and polymeric P-N systems. For example, poly(dialkylphosphazenes), (R2PN)n, are readily obtained via the thermal condensation-polymerization of certain N-silylphosphinimines, Me3SiN=P(X)R2. In addition, novel 3-coordinate phosphorus-V compounds including the bis(imino)-phosphoranes, RP(=NSiMe3)2, can potentially lead to new polymers of formula (RPN) sub n, the phosphorus analogs of electrically conducting (SN) sub n. The synthesis of polyphosphazenes and their precursors and the synthesis of potential precursors to (RPN) sub n are discussed.
Publisher:
ISBN:
Category :
Languages : en
Pages : 12
Book Description
Many small-molecule Si-N-P compounds of appropriate design can function as precursors to various oligomeric and polymeric P-N systems. For example, poly(dialkylphosphazenes), (R2PN)n, are readily obtained via the thermal condensation-polymerization of certain N-silylphosphinimines, Me3SiN=P(X)R2. In addition, novel 3-coordinate phosphorus-V compounds including the bis(imino)-phosphoranes, RP(=NSiMe3)2, can potentially lead to new polymers of formula (RPN) sub n, the phosphorus analogs of electrically conducting (SN) sub n. The synthesis of polyphosphazenes and their precursors and the synthesis of potential precursors to (RPN) sub n are discussed.