Bioengineering Functional Copolymers. IX. Synthesis and Characterization of Stimuli-Responsive Poly N-isopropylacrylamide-co-N-vinyl-2-pyrrolidone and Its Cu II Complexes
Abstract
Radical copolymerization of N-isopropylacrylamide NIPA with N-vinyl-2-pyrrolidone VP were carried out with 2,2’azobisisobutyronitrile AIBN as an intiator in N,N’-dimethylformamide solution at 65oC under nitrogen atmosphere.Cu II –copolymer macrocomplexes were prepared by incorporation of copolymers with copper sulfate in aqueoussolution at 40oC. Structure and composition of the obtained copolymers, and the formation of coordinated Cu II complexes between amide VP unit and Cu II ions were studied by FTIR spectroscopy, DSC and TGA-DTG methods,as well as by the electrical conductivity measurements. Compositon of the copolymers synthesized in a wide rangeof monomer feed ratios were determined by FTIR and1H 13C NMR–DEPT-135 spectroscopy. The monomer reactivityratios were determined by Fineman-Ross, Kelen-Tüdös and non-linear regression methods. It was observed thatstudied monomer pair has some tendency to alternation in the chosen monomer feed ratios due to formation ofintermolecular interaction through H-bonding and N→O=C coordination. The copolymers predominantly showamorphous structure while their Cu II –macrocomplexes exhibit crystalline phase. The conductive properties of thesynthesized Cu II –poly VP-co-NIPA complexes was also discussed.The synthesized poly NIPA-co-VP s showtemperature sensitiveness Ts and higher glass-transition temperature Tg and thermal stability, polyelectrolyte andstimuli-responsive temperature- and pH-sensitive behavior, and can be attributed to the class of bioengineeringfunctional copolymers useful for application in various gene- and bioengineering processes, drug delivery systems,and biomacromolecule conjugations
Keywords
References
- Ding, X. B.; Sun, Z. H.; Zhang, W. C.; Peng, Y. X.; Wan, G. X. J. Appl. Polym. Sci. 2000, 77, 2915-2920.
- Ringsdorf, H.; Venzmer. J.; Vinnik, F. M. Macromolecules 1991, 24, 1678-1686.
- Umeno, D.; Maeda, M. Anal. Sci. 1997, 13, 553-556.
- Dinçer, S.; Köseli, V.; Kesim, H.; Rzaev, Z. M. O.; Pişkin, E. Eur. Polym. J. 2002, 38, 2143- 2152.
- Kesim, H.; Rzaev, Z. M. O, Dinçer, S.; Pişkin, E. Polymer 2003, 44, 2897-909.
- Köseli, V.; Rzaev, Z. M. O.; Pişkin, E. J. Polym. Sci. A-1: Polym. Chem. 2003, 41, 1580-1593.
- Otake, K.; Inomata, H.; Konno, M.; Saita, S. Macromolecules 1990, 23, 83-88.
- Hirotsu, S. Macromolecules 1992, 25, 4445- 4447.
Details
Primary Language
English
Subjects
-
Journal Section
-
Publication Date
April 1, 2008
Submission Date
-
Acceptance Date
-
Published in Issue
Year 2008 Volume: 36 Number: 2
APA
Rzayev, Z. M., Denizli, B. K., & Denizli, H. (2008). Bioengineering Functional Copolymers. IX. Synthesis and Characterization of Stimuli-Responsive Poly N-isopropylacrylamide-co-N-vinyl-2-pyrrolidone and Its Cu II Complexes. Hacettepe Journal of Biology and Chemistry, 36(2), 99-115. https://izlik.org/JA38CR49SL
AMA
1.Rzayev ZM, Denizli BK, Denizli H. Bioengineering Functional Copolymers. IX. Synthesis and Characterization of Stimuli-Responsive Poly N-isopropylacrylamide-co-N-vinyl-2-pyrrolidone and Its Cu II Complexes. HJBC. 2008;36(2):99-115. https://izlik.org/JA38CR49SL
Chicago
Rzayev, Zakir M.o., Betül Kırcı Denizli, and Haluk Denizli. 2008. “Bioengineering Functional Copolymers. IX. Synthesis and Characterization of Stimuli-Responsive Poly N-Isopropylacrylamide-Co-N-Vinyl-2-Pyrrolidone and Its Cu II Complexes”. Hacettepe Journal of Biology and Chemistry 36 (2): 99-115. https://izlik.org/JA38CR49SL.
EndNote
Rzayev ZM, Denizli BK, Denizli H (April 1, 2008) Bioengineering Functional Copolymers. IX. Synthesis and Characterization of Stimuli-Responsive Poly N-isopropylacrylamide-co-N-vinyl-2-pyrrolidone and Its Cu II Complexes. Hacettepe Journal of Biology and Chemistry 36 2 99–115.
IEEE
[1]Z. M. Rzayev, B. K. Denizli, and H. Denizli, “Bioengineering Functional Copolymers. IX. Synthesis and Characterization of Stimuli-Responsive Poly N-isopropylacrylamide-co-N-vinyl-2-pyrrolidone and Its Cu II Complexes”, HJBC, vol. 36, no. 2, pp. 99–115, Apr. 2008, [Online]. Available: https://izlik.org/JA38CR49SL
ISNAD
Rzayev, Zakir M.o. - Denizli, Betül Kırcı - Denizli, Haluk. “Bioengineering Functional Copolymers. IX. Synthesis and Characterization of Stimuli-Responsive Poly N-Isopropylacrylamide-Co-N-Vinyl-2-Pyrrolidone and Its Cu II Complexes”. Hacettepe Journal of Biology and Chemistry 36/2 (April 1, 2008): 99-115. https://izlik.org/JA38CR49SL.
JAMA
1.Rzayev ZM, Denizli BK, Denizli H. Bioengineering Functional Copolymers. IX. Synthesis and Characterization of Stimuli-Responsive Poly N-isopropylacrylamide-co-N-vinyl-2-pyrrolidone and Its Cu II Complexes. HJBC. 2008;36:99–115.
MLA
Rzayev, Zakir M.o., et al. “Bioengineering Functional Copolymers. IX. Synthesis and Characterization of Stimuli-Responsive Poly N-Isopropylacrylamide-Co-N-Vinyl-2-Pyrrolidone and Its Cu II Complexes”. Hacettepe Journal of Biology and Chemistry, vol. 36, no. 2, Apr. 2008, pp. 99-115, https://izlik.org/JA38CR49SL.
Vancouver
1.Zakir M.o. Rzayev, Betül Kırcı Denizli, Haluk Denizli. Bioengineering Functional Copolymers. IX. Synthesis and Characterization of Stimuli-Responsive Poly N-isopropylacrylamide-co-N-vinyl-2-pyrrolidone and Its Cu II Complexes. HJBC [Internet]. 2008 Apr. 1;36(2):99-115. Available from: https://izlik.org/JA38CR49SL