Non-aqueous polypyrrole colloids [electronic resource] : Synthesis and characterization.
The preparation of sterically-stabilized polypyrrole colloids via a dispersion polymerization route in non-aqueous media is described for the first time. Pyrrole polymerization was achieved using FeCl/sub 3/ as an oxidant/dopant in organic solvents such as methyl acetate, methyl formate and propyl f...
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Online Access |
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| Format: | Government Document Electronic eBook |
| Language: | English |
| Published: |
Los Alamos, N.M. : Oak Ridge, Tenn. :
Los Alamos National Laboratory ; distributed by the Office of Scientific and Technical Information, U.S. Department of Energy,
1989.
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| Subjects: |
MARC
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| 245 | 0 | 0 | |a Non-aqueous polypyrrole colloids |h [electronic resource] : |b Synthesis and characterization. |
| 260 | |a Los Alamos, N.M. : |b Los Alamos National Laboratory ; |a Oak Ridge, Tenn. : |b distributed by the Office of Scientific and Technical Information, U.S. Department of Energy, |c 1989. | ||
| 300 | |a Pages: 10 : |b digital, PDF file. | ||
| 336 | |a text |b txt |2 rdacontent. | ||
| 337 | |a computer |b c |2 rdamedia. | ||
| 338 | |a online resource |b cr |2 rdacarrier. | ||
| 500 | |a Published through SciTech Connect. | ||
| 500 | |a 01/01/1989. | ||
| 500 | |a "la-ur-89-2685" | ||
| 500 | |a " conf-890978-1" | ||
| 500 | |a "DE89016589" | ||
| 500 | |a 21. Europhysics conference on macromolecular physics: electrical and optical active polymers, Lodz, Poland, 4-8 Sep 1989. | ||
| 500 | |a Aldissi, Mahmoud; Armes, S.P. | ||
| 520 | 3 | |a The preparation of sterically-stabilized polypyrrole colloids via a dispersion polymerization route in non-aqueous media is described for the first time. Pyrrole polymerization was achieved using FeCl/sub 3/ as an oxidant/dopant in organic solvents such as methyl acetate, methyl formate and propyl formate. Macroscopic precipitation was prevented by the use of poly (vinyl acetate) as a polymeric surfactant. Other surfactants, used successfully in aqueous media, were incompatible and consequently resulted in precipitation of polypyrrole. Several techniques were used for characterization of the dispersions including transmission and scanning electron microscopies (TEM and SEM), thermogravimetric analysis (TGA), velocity charge analysis and visible absorption spectroscopy. TEM indicated a polydisperse spherical morphology with a particle diameter in the range 100-300 nm. The compressed pellet conductivity of the dried dispersion was 0.1 S/cm. These dispersions are often compared with aqueous bulk polypyrrole and aqueous dispersions. 11 refs., 3 figs., 1 tab. | |
| 536 | |b W-7405-ENG-36. | ||
| 650 | 7 | |a Pyrroles. |2 local. | |
| 650 | 7 | |a Polymerization. |2 local. | |
| 650 | 7 | |a Absorption. |2 local. | |
| 650 | 7 | |a Acetates. |2 local. | |
| 650 | 7 | |a Chemical Preparation. |2 local. | |
| 650 | 7 | |a Colloids. |2 local. | |
| 650 | 7 | |a Formates. |2 local. | |
| 650 | 7 | |a Ionic Conductivity. |2 local. | |
| 650 | 7 | |a Iron Chlorides. |2 local. | |
| 650 | 7 | |a Microscopy. |2 local. | |
| 650 | 7 | |a Oxidizers. |2 local. | |
| 650 | 7 | |a Surfactants. |2 local. | |
| 650 | 7 | |a Azoles. |2 local. | |
| 650 | 7 | |a Carboxylic Acid Salts. |2 local. | |
| 650 | 7 | |a Chemical Reactions. |2 local. | |
| 650 | 7 | |a Chlorides. |2 local. | |
| 650 | 7 | |a Chlorine Compounds. |2 local. | |
| 650 | 7 | |a Dispersions. |2 local. | |
| 650 | 7 | |a Electric Conductivity. |2 local. | |
| 650 | 7 | |a Electrical Properties. |2 local. | |
| 650 | 7 | |a Halides. |2 local. | |
| 650 | 7 | |a Halogen Compounds. |2 local. | |
| 650 | 7 | |a Heterocyclic Compounds. |2 local. | |
| 650 | 7 | |a Iron Compounds. |2 local. | |
| 650 | 7 | |a Organic Compounds. |2 local. | |
| 650 | 7 | |a Organic Nitrogen Compounds. |2 local. | |
| 650 | 7 | |a Physical Properties. |2 local. | |
| 650 | 7 | |a Synthesis. |2 local. | |
| 650 | 7 | |a Transition Element Compounds. |2 local. | |
| 650 | 7 | |a Materials Science. |2 edbsc. | |
| 710 | 2 | |a Los Alamos National Laboratory. |4 res. | |
| 710 | 1 | |a United States. |b Department of Energy. |b Office of Scientific and Technical Information. |4 dst. | |
| 856 | 4 | 0 | |u http://www.osti.gov/scitech/biblio/5889734 |z Online Access |
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