A novel method for the measurement of chain transfer to monomer constants in styrene homopolymerizations: The pulsed laser rotating reactor assembly

Kapfenstein-Doak, H., Barner-Kowollik, C., Davis, T. P., & Schweer, J. (2001) A novel method for the measurement of chain transfer to monomer constants in styrene homopolymerizations: The pulsed laser rotating reactor assembly. Macromolecules, 34(9).

View at publisher


The chain transfer to monomer constants (Cm) in styrene bulk polymerizations have been determined in the temperature range between 25 and 90 °C using both thermal polymerization and the novel pulsed laser polymerization (PLP) with extended dark times. This novel technique determines transfer to monomer rate coefficients by combining a pulsed laser setup with a rotating reactor/cuvette assembly. The resulting transfer controlled molecular weight distributions (MWD) were analyzed by the well-known Mayo and chain length distribution (CLD) methods. The results of both experimental methods agree well, which indicates that PLP with extended dark times is a reliable technique to determine transfer to monomer constants. For this reason, we report average values for the activation parameters determined from both thermal and extended dark times PLP experiments: Ea = 21.6 kJ mol-1 and A = 0.22 L mol-1 s-1. These numbers are in excellent agreement with those reported in the literature.

Impact and interest:

9 citations in Scopus
Search Google Scholar™
10 citations in Web of Science®

Citation counts are sourced monthly from Scopus and Web of Science® citation databases.

These databases contain citations from different subsets of available publications and different time periods and thus the citation count from each is usually different. Some works are not in either database and no count is displayed. Scopus includes citations from articles published in 1996 onwards, and Web of Science® generally from 1980 onwards.

Citations counts from the Google Scholar™ indexing service can be viewed at the linked Google Scholar™ search.

ID Code: 99049
Item Type: Journal Article
Refereed: Yes
Additional Information: Cited By :9
Export Date: 5 September 2016
Correspondence Address: Davis, T.P.; Ctr. for Adv. Macromolecular Design, Sch. of Chem. Eng. and Indust. Chem., University of New South Wales, Sydney, NSW 2052, Australia
References: Karmilova, L.V., Ponomarev, G.V., Smirnov, B.R., Belgovskii, I.M., (1984) Russ. Chem. Rev., 53, p. 132; Davis, T.P., Kukulj, D., Haddleton, D.M., Maloney, D.R., (1995) Trends Polym. Sci., 3, p. 365; Brandrup, A., Immergut, E.H., (1989) Polymer Handbook, pp. II-97. , Wiley-Interscience: New York; Mayo, F.R., (1943) J. Am. Chem. Soc., 65, p. 2324; Christie, D.I., Gilbert, R.G., (1996) Macromol. Chem. Phys., 197, p. 403. , Errata: Macromol. Chem. Phys. 1997, 198, 663; Heuts, J.P.A., Davis, T.P., Russell, G.T., (1999) Macromolecules, 32, p. 6019; Kukulj, D., Davis, T.P., Gilbert, R.G., (1998) Macromolecules, 31, p. 994; Beuermann, S., Buback, M., Davis, T.P., Gilbert, R.G., Hutchinson, R.A., Olaj, O.F., Russell, G.T., Van Herk, A.M., (1997) Macromol. Chem. Phys., 198, p. 1545; Hutchinson Jr., R.A., Paquet, D.A., McMinn, J.H., (1995) Macromolecules, 28, p. 5655; Buback, M., Lämmel, R.A., (1997) Macromol. Theory Simul., 6, p. 145; Wulkow, M., (1996) Macromol. Theory Simul., 5, p. 393; Heuts, J.P.A., Kukulj, D., Forster, D.J., Davis, T.P., (1998) Macromolecules, 31, p. 2894; Moad, G., Moad, C.L., (1996) Macromolecules, 29, p. 7727; Heuts, J.P.A., Davis, T.P., Russell, G.T., (1999) Macromolecules, 32, p. 6019; Buback, M., Gilbert, R.G., Hutchinson, R.A., Klumperman, B., Kuchta, F.-D., Manders, G.B., O'Driscoll, K.F., Schweer, J., (1995) Macromol. Chem. Phys., 196, p. 3267; Stickler, M., Meyerhoff, G., (1978) Makromol. Chem., 179, p. 2729; Mayo, F.R., (1968) J. Am. Chem. Soc., 90, p. 1289; Kirchner, K., (1969) Makromol. Chem., 128, p. 150; Buchholz, K., Kirchner, K., (1976) Makromol. Chem., 177, p. 935; Pryor, W.A., Coco, J.H., (1970) Macromolecules, 3, p. 500; Tobolsky, A.V., Offenbach, J., (1955) J. Polym. Sci., 16, p. 311; Olive-Henrici, G., Olive, S., (1961) Hochpolymer. Forsch., 2, p. 496; Olive-Henrici, G., Olive, S., (1962) Macromol. Chem., 53, p. 122; Tefera, N., Weickert, G., Bloodworth, R., Schweer, J., (1994) Macromol. Chem. Phys., 195, p. 3067
Keywords: Chain length distribution (CLD), Pulsed laser polymerization (PLP), Activation energy, Chemical reactors, Homopolymerization, Laser pulses, Molecular weight distribution, Styrene
DOI: 10.1021/ma001871w
ISSN: 00249297
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > Institutes > Institute for Future Environments
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Deposited On: 22 Sep 2016 04:50
Last Modified: 22 Sep 2016 04:50

Export: EndNote | Dublin Core | BibTeX

Repository Staff Only: item control page