Abstract
The influence of the charge density of microgels on the binding of oppositely charged polyelectrolytes was investigated. The charge density in the microgels was varied via the amounts of charged comonomer (as e.g., methacrylic acid) during microgel synthesis and also by changing the reaction conditions in order to influence the distribution of the charged comonomer inside the poly-N-isopropylacrylamide-co-methacrylic acid microgel. The variation in charge density was monitored by taking advantage of the polyelectrolyte effect during acid–base titration. Data of titrations of several microgels were analyzed by a modified Henderson–Hasselbalch equation to monitor the influence of the charge density. The microgels contain either different amounts of cross-linker but same amounts of charged comonomer or the microgels were synthesized with same amounts of cross-linker but different functional monomers with different reactivities yielding different spatial distributions. Charge density and spatial distribution of charges in the microgel strongly influence swelling and interaction with polyelectrolytes. As expected, a highly charged microgel binds more polyelectrolyte than a microgel with low amount of charged groups. The amount, however, does not only scale with the number of charges per microgel but also with the charge density of the microgel. The lower the charge density of the microgel, the more polyelectrolyte per negative charge can bind. In addition, the charge density determines whether and at which composition charge reversal of the microgel–polyelectrolyte complexes occur.
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Cohen Stuart MA (2008) Colloid Polym Sci 286:855
Dautzenberg H, Jaeger W, Koetz J, Philipp B, Seidel C, Stscherbina D (1984) Polyelectrolytes. Carl Hanser Verlag, München
Phillip B, Hong LT, Dawydoff W, Linow KJ (1981) Z Anorg Allg Chem 497:219
Koetz J, Koepke H, Schmidt-Naake G, Zarras P, Vogl O (1996) Polymer 37:2775
Buchhammer HM, Petzold G, Lunkwitz K (1999) Langmuir 15:4306
Dautzenberg H, Linow KJ, Philipp B (1981) Acta Polym 33:619
Kabanov VA, Zezin AB (1984) Pure Appl Chem 56:343
Shovsky A, Varga I, Makuska R, Claesson PM (2009) Langmuir 25:6113
Dautzenberg H, Gao Y, Hahn M (2000) Langmuir 16:9070
Kabanov AV, Bronich T, Kabanov VA, Yu K, Eisenberg A (1996) Macromolecules 29:6797
Harada A, Kataoka K (1995) Macromolecules 28:5294
van de Burgh S, de Keizer A, Cohen Stuart M (2004) Langmuir 20:1073
Pergushov D, Remizova E, Feldthusen J, Zezin A, Müller A, Kabanov V (2003) J Phys Chem B 107:8093
Gohy J, Varshney S, Antoun S, Jerome R (2000) Macromolecules 33:9298
Berret JF (2009) Colloid Polym Sci 287:801
Nisha CK, Manorama V, Kizhakkedathu JN, Maiti S (2004) Langmuir 20:8468
Bronich TK, Cherry T, Vinogradov SV, Eisenberg A, Kabanov VA, Kabanov AV (1998) Langmuir 14:6101
Solomatin SV, Bronich TK, Bargar TW, Eisenberg A, Kabanov VA, Kabanov AV (2003) Langmuir 19:8069
Killmann E, Bauer D, Fuchs A, Portenlaenger O, Rehmet R, Rustemeier O (1998) Prog Colloid & Polym Sci 111:135
Gillies G, Lin W, Borkovec M (2007) J Phys Chem B 111:8626
Shubin V, Samoshina Y, Menshikova A, Evseeva T (1997) Colloid Polym Sci 275:655
Kleimann J, Gehin-Delval C, Auweter H, Borkovec M (2005) Langmuir 21:3688
Bauer D, Buchhammer H, Fuchs A, Jaeger W, Killmann E, Lunkwitz K, Rehmet R, Schwarz S (1999) Colloids Surf A 156:291
Cakara D (2004) Charging behavior of polyamines in solution and on surfaces: A potentiometric titration study. Dissertation, University of Geneva
Win JW, Hearn J, Ho CC, Ottewill RH (1974) Colloid Polym Sci 252:464
Nayak S, Lyon LA (2005) Angew Chem 117:7862
Lally S, Bird R, Freemont TJ, Saunders BR (2009) Colloid Polym Sci 287:335
Berndt I, Pederson JS, Richtering W (2006) Angew Chem Int Ed 45:1737
Keerl M, Pedersen JS, Richtering W (2009) J Am Chem Soc 131:3093
Meng ZY, Smith MH, Lyon LA (2009) Colloid Polym Sci 287:277
Ho KM, Li WY, Wong CH, Li P (2010) Colloid Polym Sci 288:1503
Das M, Kumacheva E (2006) Colloid Polym Sci 284:1073
Das M, Sanson N, Kumacheva E (2008) Chem Mater 20:7157
Schachschal S, Balaceanu A, Melian C, Demco DC, Eckert T, Richtering W, Pich A (2010) Macromolecules 43:4331
Bradley M, Vincent B, Burnett G (2009) Colloid Polym Sci 287:345
Kokufuta E, Zhang YQ, Tanaka T, Mamada A (1993) Macromolecules 26:1053
Greinert N, Richtering W (2004) Colloid Polym Sci 282:1146
Kleinen J, Richtering W (2008) Macromolecules 41:1785
Kleinen J, Klee A, Richtering W (2010) Langmuir 26:11258
Hoare T, McLean D (2006) J Phys Chem B 110:20327
Hoare T, Pelton R (2006) J Colloid Interface Sci 303:109
Hoare T, Pelton R (2004) Langmuir 20:2123
Kabanov VA, Topchiev DA, Karaputadze TM, Mkrtchian LA (1975) Eur Polym J 11:153
Brugger B, Richtering W (2008) Langmuir 24:7769
Blackburn WH, Lyon LA (2008) Colloid Polym Sci 286:563
Katchalsky A, Spitnik P (1947) J Polym Sci 2:432
Fujii N, Fujimoto K, Michinobu T, Akada M, Hill JP, Shiratori S, Ariga K, Shigehara K (2010) Macromolecules 43:3947
Osada Y, Abe K, Tsuchida E (1973) J Polym Soc Jpn 11:2219
Seno M, Lin ML, Iwamoto K (1991) Colloid Polym Sci 269:873
Kabanov AV, Vinogradov SV (2009) Angew Chem Int Ed 48:5418
Wong J, Diez-Pascual A, Richtering W (2009) Macromolecules 42:1229
Möhwald H (2010) Colloid Polym Sci 288:123
Ohshima H (2007) Colloid Polym Sci 285:1411
Terayama HJ (1952) Polym Sci 8:243
Horn D, Heuck CJ (1983) Biol Chem 1258:1665
Hoare T, Pelton R (2006) Langmuir 22:7342
Hoare T, McLean D (2006) Macromol Theory Simul 15:619
Zhou S, Chu B (1998) J Phys Chem B 102:1364
Mende M, Petzold G, Buchhammer H (2002) Colloid Polym Sci 280:342
Lindhoud S, Norde W, Cohen Stuart MA (2009) J Phys Chem B 113:5431
Acknowledgements
We thank Sebastian Wanders, Michael Kather, Christian Plum, and Manuel Noack for help with the microgel synthesis and complex formation, respectively. This work was supported by the Deutsche Forschungsgemeinschaft.
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Kleinen, J., Richtering, W. Polyelectrolyte microgels based on poly-N-isopropylacrylamide: influence of charge density on microgel properties, binding of poly-diallyldimethylammonium chloride, and properties of polyelectrolyte complexes. Colloid Polym Sci 289, 739–749 (2011). https://doi.org/10.1007/s00396-011-2401-4
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DOI: https://doi.org/10.1007/s00396-011-2401-4