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Complexation of poly(monobenzyl itaconate) and poly(N-vinyl-2-pyrrolidone) in dilute solution

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URI: https://hdl.handle.net/10016/26014
ISSN: 0025-116X
DOI: https://doi.org/10.1002/macp.1989.021901128
UXXI: AR/0000010932
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complexation_MC_1989_ps.pdf (1.33 MB)
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1989-11
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Hüthig & Wepf Verlag, Basel
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Upon mixing dilute solutions (10⁻⁴ - 10⁻² mol/l) of poly(monobenzyl itaconate) (PMBI) and poly(N-vinyl-2-pyrrolidone) (PVP) in methanol, soluble polycomplex particles are formed. Here we report on the spectrophotometric determination of the turbidity of different solutions of PVP and PMBI as a function of polymer concentration and PVP molecular weight. Viscosity measurements were also performed. The polycomplex is weak. Polycomplex particles are more compact and much larger than separated chains of polyacid and polybase. No definite stoichiometry is observed and a microgel-like structure is proposed.
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Segunda parte disponible en: http://hdl.handle.net/10016/26015
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Pérez-Dorado, A., F. Piérola, I., Baselga, J., Gargallo, L. & Radic, D. (1989). Complexation of poly(monobenzyl itaconate) and poly(N-vinyl-2-pyrrolidone) in dilute solution. Die Makromolekulare Chemie, 190 (11), pp. 2975-2981
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