Abstract:
To establish their potential as source of biradicals to initiate free-radical polymerization, 2-methyl- and 2,2,12-trimethylcyclododecanones were photolyzed in the presence of styrene. The initiation efficiency of both ketones is low - 0.03. The molecular weight of the obtained polymer is ca. 25% higher than that obtained employing photoinitiators that produce monoradicals. This difference is explained in terms of a mixed polymerization mechanism comprising mono- and biradicals. © 1996 John Wiley & Sons, Inc.
Registro:
Documento: |
Artículo
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Título: | Polymerization photoinitiated by carbonyl compounds. XI. Styrene polymerization photoinitiated by cyclododecanones |
Autor: | Biondic, M.; Giacopello, S.; Erra Bassells, R.; Encinas, M.V.; Lissi, E.A. |
Filiación: | Depto. de Quim. Orgánica, Fac. de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Argentina Fac. de Quim. y Biología, Universidad de Santiago de Chile, Santiago, Chile
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Palabras clave: | Cyclododecanones; Photoinitiation; Photopolymerization; Initiators (chemical); Ketones; Photochemical reactions; Reaction kinetics; Styrene; Cyclododecanones; Photoinitiation; Free radical polymerization |
Año: | 1996
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Volumen: | 34
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Número: | 10
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Página de inicio: | 1941
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Página de fin: | 1944
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DOI: |
http://dx.doi.org/10.1002/(SICI)1099-0518(19960730)34:10<1941::AID-POLA11>3.0.CO;2-I |
Título revista: | Journal of Polymer Science, Part A: Polymer Chemistry
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Título revista abreviado: | J Polym Sci Part A
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ISSN: | 0887624X
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CODEN: | JPACE
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0887624X_v34_n10_p1941_Biondic |
Referencias:
- Yagci, Y., Onen, A., (1991) Macromolecules, 24, p. 4620
- Engel, P.S., Wu, A., (1994) J. Org. Chem., 59, p. 3969
- Lissi, E.A., Encinas, M.V., Abarca, M.T., (1979) J. Polym. Sci. Polym. Chem. Ed., 17, p. 19
- Hamity, M., Scaiano, J.C., (1975) J. Photochem., 4, p. 229
- Timpe, H.J., Kronfeld, K.P., (1989) J. Photochem. Photobiol. A: Chem., 46, p. 253
- Weiss, D.S., Kochanek, P.M., (1977) Tetrahedron Lett., p. 763
- Han, N., Hwang, K.C., Lei, X., Turro, N.J., (1991) J. Photochem. Photobiol. A: Chem., 61, p. 35
- Encinas, M.V., Lissi, E.A., (1979) J. Polym. Sci. Polym. Chem. Ed., 17, p. 1645
- Munk, P., (1989) Introduction to Macromolecular Science, , Wiley, New York
- Wasserman, H.H., Glazer, E., (1975) J. Org. Chem., 40, p. 1505
- Lissi, E.A., Encinas, M.V., (1991) Photochemistry and Photophysics, 4. , J. F. Rabek, Ed., CRC Press, Boca Raton, FL
- Closs, G.L., Forbes, M.D.E., (1987) J. Am. Chem. Soc., 109, p. 6185
- Citterio, A., Minisci, F., Arnoldi, A., Pagano, R., Parravicini, A., Porta, O., (1978) J. Chem. Soc. Perkin Trans., 2, p. 519
- Encinas, M.V., Rufs, A.M., Lissi, E.A., (1985) J. Chem. Soc., Perkin Trans., 2, p. 457
Citas:
---------- APA ----------
Biondic, M., Giacopello, S., Erra Bassells, R., Encinas, M.V. & Lissi, E.A.
(1996)
. Polymerization photoinitiated by carbonyl compounds. XI. Styrene polymerization photoinitiated by cyclododecanones. Journal of Polymer Science, Part A: Polymer Chemistry, 34(10), 1941-1944.
http://dx.doi.org/10.1002/(SICI)1099-0518(19960730)34:10<1941::AID-POLA11>3.0.CO;2-I---------- CHICAGO ----------
Biondic, M., Giacopello, S., Erra Bassells, R., Encinas, M.V., Lissi, E.A.
"Polymerization photoinitiated by carbonyl compounds. XI. Styrene polymerization photoinitiated by cyclododecanones"
. Journal of Polymer Science, Part A: Polymer Chemistry 34, no. 10
(1996) : 1941-1944.
http://dx.doi.org/10.1002/(SICI)1099-0518(19960730)34:10<1941::AID-POLA11>3.0.CO;2-I---------- MLA ----------
Biondic, M., Giacopello, S., Erra Bassells, R., Encinas, M.V., Lissi, E.A.
"Polymerization photoinitiated by carbonyl compounds. XI. Styrene polymerization photoinitiated by cyclododecanones"
. Journal of Polymer Science, Part A: Polymer Chemistry, vol. 34, no. 10, 1996, pp. 1941-1944.
http://dx.doi.org/10.1002/(SICI)1099-0518(19960730)34:10<1941::AID-POLA11>3.0.CO;2-I---------- VANCOUVER ----------
Biondic, M., Giacopello, S., Erra Bassells, R., Encinas, M.V., Lissi, E.A. Polymerization photoinitiated by carbonyl compounds. XI. Styrene polymerization photoinitiated by cyclododecanones. J Polym Sci Part A. 1996;34(10):1941-1944.
http://dx.doi.org/10.1002/(SICI)1099-0518(19960730)34:10<1941::AID-POLA11>3.0.CO;2-I