Crossref journal-article
AIP Publishing
The Journal of Chemical Physics (317)
Abstract

We report on a comprehensive investigation of the flow behavior of colloidal thermosensitive core-shell particles at high densities. The particles consist of a solid core of poly(styrene) onto which a network of cross-linked poly(N-isopropylacrylamide) is affixed. Immersed in water the shell of these particles will swell if the temperature is low. Raising the temperature above 32°C leads to a volume transition within this shell which leads to a marked shrinking of the shell. The particles have well-defined core-shell structure and a narrow size distribution. The remaining electrostatic interactions due to a small number of charges affixed to the core particles can be screened by adding 0.05M KCl to the suspensions. Below the lower critical solution temperature at 32°C the particles are purely repulsive. Above this transition, a thermoreversible coagulation takes place. Lowering the temperature again leads to full dissociation of the aggregates formed by this process. The particles crystallize for effective volume fractions between 0.48 and 0.55. The crystallites can be molten by shear in order to reach a fluid sample again. The reduced shear stress measured in this metastable disordered state was found to be a unique function of the shear rate and the effective volume fraction. These reduced flow curves thus obtained can be described quantitatively by the theory of Fuchs and Cates [Phys. Rev. Lett. 89, 248304 (2002)] which is based on the mode-coupling theory of the glass transition.

Bibliography

Crassous, J. J., Siebenbürger, M., Ballauff, M., Drechsler, M., Henrich, O., & Fuchs, M. (2006). Thermosensitive core-shell particles as model systems for studying the flow behavior of concentrated colloidal dispersions. The Journal of Chemical Physics, 125(20).

Authors 6
  1. J. J. Crassous (first)
  2. M. Siebenbürger (additional)
  3. M. Ballauff (additional)
  4. M. Drechsler (additional)
  5. O. Henrich (additional)
  6. M. Fuchs (additional)
References 74 Referenced 101
  1. 10.1063/1.463636 / J. Chem. Phys. (1992)
  2. 10.1007/3-540-56791-7_1 / Adv. Polym. Sci. (1993)
  3. 10.1002/(SICI)1521-3935(19980101)199:1<1::AID-MACP1>3.3.CO;2-D / Macromol. Chem. Phys. (1998)
  4. 10.1103/PhysRevLett.55.2455 / Phys. Rev. Lett. (1985)
  5. 10.1002/bbpc.19981020610 / Ber. Bunsenges. Phys. Chem. (1998)
  6. 10.1039/c39920001103 / J. Chem. Soc., Chem. Commun. (1992)
  7. 10.1021/la011405f / Langmuir (2002)
  8. 10.1063/1.479430 / J. Chem. Phys. (1999)
  9. 10.1039/b002678f / Phys. Chem. Chem. Phys. (2000)
  10. 10.1021/ma021079q / Macromolecules (2003)
  11. 10.1021/jp048486j / J. Phys. Chem. B (2004)
  12. 10.1021/la036390v / Langmuir (2004)
  13. 10.1021/jp0540508 / J. Phys. Chem. B (2006)
  14. 10.1006/jcis.1994.1291 / J. Colloid Interface Sci. (1994)
  15. {'key': '2023080102211882700_c15', 'first-page': '274', 'volume': '274', 'year': '1996', 'journal-title': 'Colloid Polym. Sci.'} / Colloid Polym. Sci. (1996)
  16. 10.1021/la980244l / Langmuir (1998)
  17. 10.1007/s003960050329 / Colloid Polym. Sci. (1998)
  18. 10.1021/ma980985t / Macromolecules (1998)
  19. 10.1007/s003960000350 / Colloid Polym. Sci. (2000)
  20. 10.1016/S0927-7765(02)00176-5 / Colloids Surf., B (2003)
  21. 10.1002/pi.1441 / Polym. Int. (2004)
  22. 10.1021/la0504356 / Langmuir (2005)
  23. 10.1002/anie.200502731 / Angew. Chem., Int. Ed. (2006)
  24. 10.1021/jp057149n / J. Phys. Chem. B (2006)
  25. 10.1002/anie.200501321 / Angew. Chem., Int. Ed. (2005)
  26. {'volume-title': 'Colloidal Dispersions', 'year': '1989', 'key': '2023080102211882700_c26'} / Colloidal Dispersions (1989)
  27. 10.1021/la980979q / Langmuir (1999)
  28. 10.1122/1.1357820 / J. Rheol. (2001)
  29. 10.1021/la049518x / Langmuir (2004)
  30. 10.1088/0953-8984/16/38/006 / J. Phys.: Condens. Matter (2004)
  31. 10.1063/1.1834492 / J. Chem. Phys. (2005)
  32. 10.1122/1.1917843 / J. Rheol. (2006)
  33. 10.1063/1.1859285 / J. Chem. Phys. (2005)
  34. 10.1016/j.colsurfa.2005.06.017 / Colloids Surf., A (2005)
  35. 10.1103/PhysRevE.55.5718 / Phys. Rev. E (1997)
  36. 10.1103/PhysRevE.65.041405 / Phys. Rev. E (2002)
  37. 10.1103/PhysRevLett.89.248304 / Phys. Rev. Lett. (2002)
  38. 10.1039/b205629a / Faraday Discuss. (2003)
  39. 10.1021/la049203h / Langmuir (2004)
  40. 10.1126/science.1112399 / Science (2005)
  41. 10.1103/PhysRevLett.75.2770 / Phys. Rev. Lett. (1995)
  42. 10.1103/PhysRevE.49.4206 / Phys. Rev. E (1994)
  43. 10.1103/PhysRevE.70.061506 / Phys. Rev. E (2004)
  44. 10.1021/la053198f / Langmuir (2006)
  45. 10.1063/1.1374633 / J. Chem. Phys. (2001)
  46. 10.1039/b009104i / Phys. Chem. Chem. Phys. (2001)
  47. 10.1021/la960326e / Langmuir (1996)
  48. 10.1021/la046829z / Langmuir (2005)
  49. 10.1021/la00022a020 / Langmuir (1994)
  50. 10.1103/PhysRevLett.75.3572 / Phys. Rev. Lett. (1995)
  51. 10.1103/PhysRevE.58.6073 / Phys. Rev. E (1998)
  52. 10.1038/320340a0 / Nature (London) (1986)
  53. 10.1103/PhysRevLett.64.2663 / Phys. Rev. Lett. (1990)
  54. 10.1063/1.1676196 / J. Chem. Phys. (1971)
  55. 10.1063/1.2075047 / J. Chem. Phys. (2005)
  56. 10.1103/PhysRevA.43.5429 / Phys. Rev. A (1991)
  57. 10.1103/PhysRevLett.59.2083 / Phys. Rev. Lett. (1987)
  58. 10.1103/PhysRevLett.70.2766 / Phys. Rev. Lett. (1993)
  59. 10.1063/1.480154 / J. Chem. Phys. (1999)
  60. {'key': '2023080102211882700_c60a', 'first-page': '802', 'volume': '307–310', 'year': '2002', 'journal-title': 'J. Non-Cryst. Solids'} / J. Non-Cryst. Solids (2002)
  61. 10.1039/b204468d / Faraday Discuss. (2003)
  62. 10.1103/PhysRevE.61.6898 / Phys. Rev. E (2000)
  63. 10.1088/0953-8984/11/10A/002 / J. Phys.: Condens. Matter (1999)
  64. 10.1088/0953-8984/17/20/003 / J. Phys.: Condens. Matter (2005)
  65. {'key': '2023080102211882700_c63b', 'first-page': '2203', 'volume-title': 'Unifying Concepts in Granular Media and Glasses', 'author': 'Coniglio', 'year': '2004'} / Unifying Concepts in Granular Media and Glasses by Coniglio (2004)
  66. 10.1007/BF01469695 / Z. Phys. B: Condens. Matter (1984)
  67. {'key': '2023080102211882700_c65', 'first-page': '287', 'volume-title': 'Liquids, Freezing and Glass Transition', 'author': 'Hansen', 'year': '1991'} / Liquids, Freezing and Glass Transition by Hansen (1991)
  68. 10.1088/0022-3719/17/33/005 / J. Phys. C (1984)
  69. 10.1063/1.476428 / J. Chem. Phys. (1998)
  70. 10.1063/1.465782 / J. Chem. Phys. (1993)
  71. 10.1103/PhysRevE.60.5742 / Phys. Rev. E (1999)
  72. 10.1209/epl/i1997-00283-5 / Europhys. Lett. (1997)
  73. 10.1103/PhysRevB.73.174209 / Phys. Rev. B (2006)
  74. R. Besseling, E. R. Weeks, A. B. Schofield, and W. C. K. Poon, e-print cond-mat/0605247.
Dates
Type When
Created 18 years, 8 months ago (Nov. 30, 2006, 10:55 a.m.)
Deposited 2 years ago (July 31, 2023, 10:21 p.m.)
Indexed 2 weeks, 5 days ago (Aug. 2, 2025, 1 a.m.)
Issued 18 years, 8 months ago (Nov. 27, 2006)
Published 18 years, 8 months ago (Nov. 27, 2006)
Published Online 18 years, 8 months ago (Nov. 27, 2006)
Published Print 18 years, 8 months ago (Nov. 28, 2006)
Funders 0

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@article{Crassous_2006, title={Thermosensitive core-shell particles as model systems for studying the flow behavior of concentrated colloidal dispersions}, volume={125}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.2374886}, DOI={10.1063/1.2374886}, number={20}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Crassous, J. J. and Siebenbürger, M. and Ballauff, M. and Drechsler, M. and Henrich, O. and Fuchs, M.}, year={2006}, month=nov }