Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
권호 표지

Solution Properties of Chitosan Polymer(I) - Variation of Viscosity with Temperature and Time in Acetic Solution-

키토산 고분자의 용액 물성(I) -초산수용액에서 온도와 경과시간에 따른 점도 변화-

  • 김홍성 (밀양대학교 응용고분자공학과) ;
  • 이순장 (밀양대학교 응용고분자공학과)
  • Published : 2004.10.01
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Abstract

Viscosity variation ensuing from processing temperature and time elapsed in acetic solution of chitosan was investigated by rotary viscometer. The solution showed a typical behavior of pseudoplastic liquid where the gradient of shear stress decreases as strain rate increases. The apparent viscosity decreased as chitosan polymer degraded with temperature rise and time elapsed in the solution. And the decrease in viscosity occurred rapidly in a fixed time interval at each temperature. The proportionality of viscosity to temperature was confirmed by temperature superposition curve that was obtained with the temperature dependence shift factor a$_{T}$ in WLF equation. Intrinsic viscosity was linearly proportional to apparent viscosity within a fixed range depending on strain rate. The activation energy of chitosan was about 55.2 KJ/mole in the acetic solution, which was calculated from intrinsic viscosity based on the Andrade-Eyring equation.n.

Keywords

References

  1. Y. H. Hwang and D. C. Jung, 'A Study on the Preparation of Chitin/Chitosan Using Protunus Trituberculatus Shells such as Crustacea', J. Korean Oil Chemists Soc., 15, 35-45(1998)
  2. キチン, キトサン ハンドブック編輯委員會, 'キトサン實驗 マニュアル', pp.9-17, 技報堂出版, 日本, 1991
  3. Y. S. Shin and K. H. Mim, 'Chitin/Chitosan: Antimicrobial Properties and Applications', Polymer Science and Technology, 8, 591-595(1997)
  4. Y. S. Chung, 'Properties and Characterization of Hydroxyapatite/ Chitosan Hybrid Fibers', J. Korean Fiber Soc., 39, 532-536(2002)
  5. K. H. Kim, K. S. Kim, J. S. Lim, J. S. Shin, and K. H. Chung, 'Effect of Dissolution Properties of p-Amino Salicylic Acid with Chitin and Chitosa Mixtures', Polymer (Korea), 12, 56-62(1988)
  6. H. W. Choi, Y. J. Jung, M. H. Lee, S. Y. Park, S. H. Lee, and S. J. Lee, 'Effects of Fineness of Chitosan Fiber on the Adsorption Characteristics of Metal Ion', J. of the Korean Soc. of Dyers and Finishers, 15, 146-153(2003)
  7. J. J. Kim, M. J. Kim, and D. W. Jeon, 'Industrial Application of Chitin/Chitosan', Polymer Science and Technology, 8, 579-590(1997) https://doi.org/10.1002/(SICI)1099-1581(199709)8:9<579::AID-PAT677>3.0.CO;2-8
  8. Y. M. Jeon, T. W. Son, M. G. Jeong, M. J. Kim, and H. S. Lim, 'Improvement of Cellulose Fabrics Treated with High Add-on of Chitosan', J. Korean Fiber Soc., 40, 296-306 (2003)
  9. S. H. Lee, 'Ripening Time and Fiber Formation of Chitosan Spinning Dope', J. Appl. Polym. Sci., 90, 2870-2877(2003) https://doi.org/10.1002/app.13070
  10. R. A. A. Muzzarelli, 'Chitosan-based Dietary Foods', Carbohydrate Polymers, 29, 309-316(1996) https://doi.org/10.1016/S0144-8617(96)00033-1
  11. Y. M. Jeon, T. W. Son, M. G. Jeong, M. J. Kim, and H. S. Lim, 'Mechanical Properties of High Add-on Chitosan Treated Cellulose Fabrics', J. Korean Fiber Soc., 40, 177-188(2003)
  12. T. Y. Kim, C. K. Oh, H. Moon, and J. H. Yang, 'Characteristics of Chitosan Gelation with the Variations of Temperature and Concentration of Gelation Agent', J. Korean Ind. & Eng. Chemistry, 6, 700-706(1995)
  13. G. R. Strobl, 'The Physics of Polymer', pp.227-230, Spring-Verlag, 1930
  14. I. Arvanitoyannis, I. Kolokuris, A. Nakayama, N. Yamamoto, and Sei-ichi Aiba, 'Physico-chemical Studies of Chitosan-Poly(vinyl alcohol) Blends Plasticized with Sorbitol and Sucrose', Carbohydrate Polymers, 34, 9-19(1997) https://doi.org/10.1016/S0144-8617(97)00089-1
  15. C. W. Macosko, 'Rheology Principles, Measurements, and Applications', pp.100-102, Wiley-VCH, NY, 1994