Controlling the synthesis and characterization of micrometer-sized PNIPAM microgels with tailored morphologies

Langmuir

Volumn 29, Issue 30, 2013, Pages 9581-9591

  Kwok, Man Hin ^a   Li, Zifu ^a   Ngai, To ^a  

^a CHINESE UNIVERSITY OF HONG KONG   (Hong Kong)

Author keywords

[No Author keywords available]

Indexed keywords

CARBOXYLIC GROUP; CONFOCAL LASER SCANNING MICROSCOPY; FLUORESCENT MOLECULES; HIGH SALT CONCENTRATION; MICROGEL PARTICLES; PH-RESPONSIVE SWELLINGS; PRECIPITATION POLYMERIZATIONS; SYNTHESIS AND CHARACTERIZATIONS;

ACRYLIC MONOMERS; FLUORESCENCE; MICROMETERS; MOLECULES; MORPHOLOGY; PRECIPITATION (CHEMICAL); SYNTHESIS (CHEMICAL);

GELS;

EID: 84881064730     PISSN: 07437463     EISSN: 15205827     Source Type: Journal    
DOI: 10.1021/la402062t     Document Type: Article

References (26)

1. Pelton, R. Temperature-sensitive aqueous microgels Adv. Colloid Interface Sci. 2000, 85, 1-33
2. Thorne, J. B.; Vine, G. J.; Snowden, M. J. Microgel applications and commercial considerations Colloid Polym. Sci. 2011, 289, 625-646
3. Saunders, B. R.; Vincent, B. Microgel particles as model colloids: theory, properties and applications Adv. Colloid Interface Sci. 1999, 80, 1-25
4. Saunders, B. R.; Laajam, N.; Daly, E.; Teow, S.; Hu, X.; Stepto, R. Microgels: from responsive polymer colloids to biomaterials Adv. Colloid Interface Sci. 2009, 147-48, 251-262
5. Pelton, R. H.; Chibante, P. Preparation of aqueous lattices with N-isopropylacrylamide Colloids Surf. 1986, 20, 247-256
6. Wu, C. A comparison between the 'coil-to-globule' transition of linear chains and the 'volume phase transition' of spherical microgels Polymer 1998, 39, 4609-4619
7. Lai, H.; Wu, P. A infrared spectroscopic study on the mechanism of temperature-induced phase transition of concentrated aqueous solutions of poly(N-isopropylacrylamide) and N-isopropylpropionamide Polymer 2010, 51, 1404-1412
8. Zhou, S. Q.; Chu, B. Synthesis and volume phase transition of poly(methacrylic acid- co-N -isopropylacrylamide) microgel particles in water J. Phys. Chem. B 1998, 102, 1364-1371
9. Qiu, X. P.; Kwan, C. M. S.; Wu, C. Laser light scattering study of the formation and structure of poly(N -isopropylacrylamide- co -acrylic acid) nanoparticles Macromolecules 1997, 30, 6090-6094
10. Schild, H. G. Poly(N-isopropylacrylamide)-experiment, theory and applicatioN Prog. Polym. Sci. 1992, 17, 163-249
11. Das, M.; Zhang, H.; Kumacheva, E. Microgels: old materials with new applications Annu. Rev. Mater. Res. 2006, 36, 117-142
12. Jones, C. D.; Lyon, L. A. Synthesis and characterization of multiresponsive core-shell microgels Macromolecules 2000, 33, 8301-8306
13. Meng, Z.; Smith, M. H.; Lyon, L. A. Temperature-programmed synthesis of micron-sized multi-responsive microgels Colloid Polym. Sci. 2009, 287, 277-285
14. Balaceanu, A.; Demco, D. E.; Moeller, M.; Pich, A. Microgel heterogeneous morphology reflected in temperature-induced volume transition and H-1 high-resolution transverse relaxation NMR. The case of poly(N-vinylcaprolactam) microgel Macromolecules 2011, 44, 2161-2169
15. Dingenouts, N.; Seelenmeyer, S.; Deike, I.; Rosenfeldt, S.; Ballauff, M.; Lindner, P.; Narayanan, T. Analysis of thermosensitive core-shell colloids by small-angle neutron scattering including contrast variation Phys. Chem. Chem. Phys. 2001, 3, 1169-1174
16. Jones, C. D.; Lyon, L. A. Shell-restricted swelling and core compression in poly(N-isopropylacrylamide) core-shell microgels Macromolecules 2003, 36, 1988-1993
17. Hoare, T.; McLean, D. Multi-component kinetic modeling for controlling local compositions in thermosensitive polymers Macromol. Theory Simul. 2006, 15, 619-632
18. Hoare, T.; McLean, D. Kinetic prediction of functional group distributions in thermosensitive microgels J. Phys. Chem. B 2006, 110, 20327-20336
19. Wu, X.; Pelton, R. H.; Hamielec, a. E.; Woods, D. R.; McPhee, W. The kinetics of poly(N-isopropylacrylamide) microgel latex formation Colloid Polym Sci. 1994, 272, 467-477
20. Hoare, T.; Pelton, R. Impact of microgel morphology on functionalized microgel-drug interactions Langmuir 2008, 24, 1005-1012
21. Sheikholeslami, P.; Ewaschuk, C. M.; Ahmed, S. U.; Greenlay, B. a.; Hoare, T. Semi-batch control over functional group distributions in thermoresponsive microgels Colloid Polym. Sci. 2012, 1181-1192
22. Destribats, M.; Lapeyre, V.; Wolfs, M.; Sellier, E.; Leal-Calderon, F.; Ravaine, V.; Schmitt, V. Soft microgels as Pickering emulsion stabilisers: role of particle deformability Soft Matter 2011, 7, 7689-7698
23. Li, Z.; Kwok, M.-H.; Ngai, T. Preparation of responsive micrometer-sized microgel particles with a highly functionalized shell Macromol. Rapid Commun. 2012, 33, 419-25
24. Gao, J.; Frisken, B. J. Influence of reaction conditions on the synthesis of self-cross-linked N-isopropylacrylamide microgels Langmuir 2003, 19, 5217-5222
25. Hoare, T.; Pelton, R. Highly pH and temperature responsive microgels functionalized with vinylacetic acid Macromolecules 2004, 37, 2544-2550
26. Mota, M. C.; Carvalho, P.; Ramalho, J.; Leite, E. Spectrophotometric analysis of sodium fluorescein aqueous solutions. Determination of molar absorption coefficient Int. Ophthalmol. 1991, 15, 321-326